US20060283124A1 - Ported stabilized window structures and systems and methods for ported stabilization of window structures - Google Patents
Ported stabilized window structures and systems and methods for ported stabilization of window structures Download PDFInfo
- Publication number
- US20060283124A1 US20060283124A1 US11/508,344 US50834406A US2006283124A1 US 20060283124 A1 US20060283124 A1 US 20060283124A1 US 50834406 A US50834406 A US 50834406A US 2006283124 A1 US2006283124 A1 US 2006283124A1
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- patch
- unifying material
- window
- window structure
- unifying
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- Abandoned
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Classifications
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- E—FIXED CONSTRUCTIONS
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- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- E—FIXED CONSTRUCTIONS
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- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
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Definitions
- the present invention relates to stabilizing window structures, in which all of the glass is missing from an opening circumscribed by a frame of the window structure, by filling the empty opening.
- Window structures are found in many various types of fabrications or constructions including buildings and vehicles, such as automobiles, buses, trucks, trains, planes, boats, ships and the like.
- Conventional window structures include one or more transparent window panes, typically made of glass or other breakable material, and a frame, which may be formed by a separate frame member or by a portion of the fabrication or construction itself, supporting the one or more panes.
- the panes of most window structures are susceptible to damage from many various sources; and, consequently, shattering, breaking or cracking of window panes is not uncommon.
- a window structure in which a pane is shattered, broken or cracked is unstable or destabilized since the damaged pane is prone to collapse or cave in, loose fragments or shards may fall or come loose from the pane, and the barrier or seal normally provided by the unbroken pane between the exterior and interior sides thereof is compromised. Fragments that actually fall or come loose from the pane present the risks of injury to individuals and damage to objects located exteriorly and/or interiorly of the window structure, particularly since the panes of window structures are most commonly made of glass. Where the shattered pane is in a window structure located at an elevated level or floor, pieces of the pane that fall exteriorly present a grave risk of harm to people and objects below, especially in urban areas.
- plywood is sometimes used to temporarily cover window structures in which the panes are damaged
- plywood is heavy, typically fifty pounds for a single sheet, cumbersome, expensive, requires carpentry skill to install and is inconvenient to use. More specifically, plywood must typically be cut to fit the particular window and must be drilled and screwed into place so that the window frame and/or the fabrication or construction in which the window structure is installed may be damaged by the fasteners needed to secure the plywood in place.
- the drawbacks associated with the use of plywood are even greater when numerous damaged window structures are involved and/or when the damaged window structure is not easily accessible, such as when the damaged window structure is at an elevated level or floor.
- the instability presented by a window structure having a shattered window pane makes safe removal of the pane difficult to accomplish.
- One common approach used by professional glass companies to remove shattered glass panes of window structures involves banging or smashing the panes with a hammer or other implement so that they fall to the exterior of the fabrications or constructions in which the window structures are installed. This “knock-out” approach tends to scatter glass fragments, and even tempered or laminated glass can produce many small fragments. When the glass fragments impact the ground or other objects, they may shatter even further and may damage the objects impacted thereby. Afterwards, significant additional labor is required for clean-up to collect and remove the glass fragments.
- a further approach to dealing with shattered glass panes of window structures attempts to stabilize the window structures prior to removal of the panes.
- the shattered glass panes are taped with adhesive tape to hold the panes together prior to removing them from the fabrications or constructions in which the window structures are installed.
- the adhesive tape In order to keep a shattered glass pane intact, the adhesive tape must typically be applied to the entire or substantially the entire surface of the shattered glass pane. Applying the adhesive tape to the entire or substantially the entire surface of the shattered glass pane is laborious and time consuming, particularly where the glass pane is large.
- the tape must be pressed against the shattered pane in order to adhere the tape thereto, and such pressure or force can cause the pane to cave in or collapse and/or fragments to come loose therefrom. Even when the adhesive tape is carefully applied to the entire surface of the glass pane, fragments may still become detached from the tape and fall when the shattered pane is manipulated during removal.
- a window structure is also unstable or destabilized where all or substantially all of the glass is missing therefrom.
- the barrier or seal normally provided by the unbroken glass is entirely lacking or is compromised, resulting in a great risk that the interior of the fabrication or construction and/or objects disposed therein will be damaged by environmental elements.
- the absence of all or substantially all of the glass from a window structure may present an opening large enough for a person, especially a child, to accidentally fall through.
- Plywood has been used on window structures to cover large holes until replacement panes can be installed, but has various drawbacks as noted above.
- a further instability arises in window structures in which an insubstantial amount of the window pane remains as shards disposed in a track formed in or on one or more mullions and/or in or on the frame of the window structure.
- These shards protrude from the mullions and/or window frame and are potentially very injurious due to their exposed points and/or sharp edges.
- the shards are difficult and time consuming to remove from the track, being typically removed individually by hand.
- window structures such as windshields, sliding windows, fixed windows and movable windows
- plastic sheeting is sometimes taped over shattered vehicle windows to provide a barrier between the exterior and the interior of the vehicle; however, the use of tape is disadvantageous for requiring that pressure or force be applied to the window as discussed above.
- Shattered window panes in vehicles thusly present the same problems discussed above and also present additional problems in emergency situations where one or more passengers are trapped inside a vehicle. Where one or more passengers are trapped inside a vehicle, such as when the doors of the vehicle cannot be opened, it is often necessary to quickly remove a window pane to access the one or more passengers.
- Stabilized window structures and methods of stabilizing and removing shattered glass from window structures are needed which do not apply significant pressure or force to the glass and which are safe, efficient, easy to use, economical, and applicable to various types and sizes of windows installed in various diverse fabrications or constructions.
- the present invention is generally characterized in a ported stabilized window structure wherein a window structure that is unstable due to the presence of an opening devoid of glass is stabilized by filling the opening with a cohesive mass having a port providing visualization and/or light transmission through the cohesive mass.
- the ported stabilized window structure includes a window structure having a frame circumscribing an opening devoid of glass, a transparent, translucent or clear patch covering the opening and presenting an exposed surface area within the opening, a body of unifying material bonded to the surface of the patch to form a cohesive mass, and a port in the cohesive mass for visualization and/or light transmission therethrough.
- the body of unifying material is disposed around a segment of the exposed surface area that is maintained free of the unifying material.
- the body of unifying material has a passage therethrough in communication or alignment with the patch segment that is maintained free of the unifying material.
- the port is formed by the passage and by the patch segment in communication with the passage.
- the patch may be releasably secured to the window structure in various ways including adhesively, mechanically using a separate securing device and/or using structure of the window structure as a securing device.
- the unifying material is preferably a polymeric foam applied to the surface of the patch in fluidic form and thereafter solidifying to form the cohesive mass.
- the ported stabilized window structure can include a release element releasably secured on any surface area of or around the window structure that it is desired to protect from the application of the polymeric foam unifying material.
- the patch may be disposed along an exterior side of the window structure, and the body of unifying material may be disposed along the interior side of the window structure.
- the ported stabilized window structure may further include a hollow shield body bonded to the body of unifying material as part of the cohesive mass with an open end of the shield body disposed over the segment of the patch and the interior of the shield body defining the passage in the body of unifying material.
- the patch can be a first patch and the ported stabilized window structure may further comprise a second patch disposed over the body of unifying material such that the body of unifying material is sandwiched between the first and second patches.
- Another aspect of the present invention is generally characterized in a system for ported stabilization of a window structure having a window frame circumscribing an opening devoid of glass that renders the window structure unstable.
- the system includes a sheet of light transmissible material for being secured on the window structure to cover the opening and present an exposed surface area within the opening, a supply of a fluidic unifying material for being applied to the exposed surface area as a body of unifying material, and a shield device for being disposed on a segment of the exposed surface area of the sheet to shield the segment from application of the unifying material.
- the body of unifying material applied to the surface of the sheet solidifies after application to bond to the sheet to form a cohesive mass.
- the shield device maintains the segment of the exposed surface area of the sheet free from the application of the unifying material to form a port in the cohesive mass including the shielded segment and a passage in the body of unifying material to provide light transmission and/or visualization through the cohesive mass.
- the shield device may include a shield body of hollow construction for being bonded to the body of unifying material as part of the cohesive mass, with the interior of the shield body forming the passage in the body of unifying material.
- the shield device may include a shield body removable from the body of unifying material to form the passage in the body of unifying material in the place vacated by the shield body.
- the shield device may include a removable mask for being removably disposed in contact with the surface segment of the sheet that is to be shielded or maintained free of the unifying material for application of the unifying material around the mask to form the passage in the body of unifying material, the mask being removable from the sheet to reveal the shielded segment.
- the mask can be removable from the sheet with an attached section of the body of unifying material to reveal the shielded segment and form the passage in the body of unifying material in the place vacated by the removed section.
- An additional aspect of the present invention is generally characterized in a method for ported stabilization of a window structure that is unstable due to a window frame of the window structure circumscribing an opening devoid of glass.
- the method involves securing a light transmissible patch on the window structure to cover the opening and present an exposed surface area within the opening, shielding a segment of the exposed surface area, applying a body of unifying material of fluidic polymeric foam to the exposed surface area of the sheet around the shielded segment to form a passage in the body of unifying material in communication with the shielded segment, allowing the fluidic foam to solidify and form a cohesive mass including the body of unifying material and the sheet bonded thereto, and providing visualization and/or light transmission through the cohesive mass via a port formed by the passage and by the shielded segment of the sheet.
- FIG. 1 is a broken, front perspective view of a building including a window structure having a shattered pane and showing a layer of unifying material being applied to an exterior surface of the shattered pane.
- FIG. 2 is a broken, front perspective view of the building of FIG. 1 subsequent to application of the layer of unifying material to the shattered pane to form the shattered pane into a cohesive mass.
- FIG. 3 is a broken cross-sectional view of the window structure taken along line 3 - 3 of FIG. 2 .
- FIG. 4 is an enlarged, fragmentary cross-sectional view of the cohesive mass illustrating seepage of the unifying material into a crack of the shattered pane.
- FIG. 5 is a broken, front perspective view of the building of FIG. 2 illustrating removal of the shattered pane with the cohesive mass.
- FIG. 6 is a broken cross-sectional view of a window structure illustrating an alternative layer of unifying material applied to a shattered pane of the window structure.
- FIG. 7 is a broken cross-sectional view of a window structure showing layers of unifying material applied to the exterior and interior surfaces, respectively, of a shattered pane of the window structure, with one of the layers including a plurality of sub-layers.
- FIG. 8 is a schematic view illustrating use of a two-component supply system in the present invention.
- FIG. 9 is a broken, front perspective view of a building including a window structure having a shattered pane with a hole therein and showing a first layer of unifying material being applied to the pane around the hole.
- FIG. 10 is a broken, front perspective view of the building of FIG. 9 showing a patch applied over the hole and being adhered by the first layer of unifying material.
- FIG. 11 is a broken, front perspective view of the building of FIG. 10 illustrating a second layer of unifying material being applied over the patch to seal the hole in the pane.
- FIG. 12 is a broken, front perspective view of an automobile having a shattered windshield to which a layer of unifying material has been applied to form a cohesive mass and illustrating the shattered windshield being manually held via handles attached to the cohesive mass.
- FIG. 13 is a broken, front perspective view of the automobile of FIG. 12 illustrating removal of the shattered windshield with the cohesive mass.
- FIG. 14 is a broken, front perspective view of a building including a window structure having a window pane with pre-existing cracks dividing the window pane into a plurality of separate, disconnected window pane sections and showing grasping members attached directly to the window pane.
- FIG. 15 is a broken, front perspective view of the building of FIG. 14 illustrating application of layers of unifying material to the window pane sections, respectively, to form a plurality of separate, discontinuous cohesive masses, respectively.
- FIG. 16 is a broken, front perspective view of the building of FIG. 15 depicting removal of the cohesive masses separately from one another.
- FIG. 17 is a broken, front perspective view of a building including a window structure having a window frame circumscribing an opening entirely or substantially entirely devoid of glass.
- FIG. 18 is a broken, front perspective view of the building of FIG. 17 showing a first patch member secured over a portion of the opening.
- FIG. 19 is a broken, front perspective view of the building of FIG. 18 illustrating a second patch member secured over the remainder of the opening to form a patch covering the entire opening and depicting a layer of unifying material being applied over the patch.
- FIG. 20 is a broken, front perspective view of the building of FIG. 19 subsequent to application of the layer of unifying material over the patch to form a cohesive mass therewith.
- FIG. 21 is a broken, front perspective view of a building including a window structure having a window frame circumscribing an opening entirely or substantially entirely devoid of glass and illustrating stabilization of the window structure via a pre-formed polymeric foam panel secured over the opening.
- FIG. 22 is a broken, front perspective view of a building including a window structure having a plurality of window panes mounted in tracks, respectively, of the window structure, with one of the window panes being shattered such that fragments protrude from the track of the shattered pane.
- FIG. 23 is a broken, enlarged perspective view of the window structure of FIG. 22 showing the fragments disposed in the track.
- FIG. 24 is a broken, enlarged perspective view of the window structure of FIG. 23 depicting a body of unifying material being applied to the fragments to form the fragments into a cohesive mass.
- FIG. 25 is a broken, enlarged perspective view of the window structure of FIG. 24 illustrating removal of the fragments with the cohesive mass.
- FIG. 26 is a broken, front perspective view of a building depicting stabilization of a window structure utilizing a body of unifying material applied over a plurality of pre-formed polymeric foam patch members with the unifying material bridging a seam between adjacent patch members.
- FIG. 27 is a perspective view of a window frame of a window structure showing the window frame circumscribing an opening devoid of glass and showing a transparent or translucent patch for covering the opening.
- FIG. 28 is a perspective view of the window frame of FIG. 27 showing the patch placed on the window frame to cover the opening.
- FIG. 29 is a perspective view of the window frame of FIG. 28 showing a securing device holding the patch in place on the window frame.
- FIG. 30 is a perspective view of the window frame of FIG. 29 illustrating a release element applied to the window frame and depicting a shield device over the patch.
- FIG. 31 is a perspective view of the window frame of FIG. 30 showing a body of unifying material applied to the patch in the vacant space around the shield device to form a cohesive mass.
- FIG. 32 is a perspective view of the window frame of FIG. 31 with a lid of the shield device removed to expose a port in the cohesive mass in a ported stabilized window structure.
- FIG. 33 is a perspective view of an alternative window frame of a window structure showing the window frame circumscribing an opening devoid of glass and showing a transparent or translucent patch for being placed in a track of the window frame to cover the opening.
- FIG. 34 is a perspective view of the window frame of FIG. 33 depicting the patch placed in the track of the window frame to cover the opening.
- FIG. 35 is a perspective view of the window frame of FIG. 34 illustrating a release element applied to the window frame, an alternative shield device disposed over the patch, and a body of unifying material applied to the patch in the vacant space around the alternative shield device to form a cohesive mass.
- FIG. 36 is a perspective view of the window frame of FIG. 35 showing the shield device removed to expose a port in the cohesive mass in a ported stabilized window structure.
- FIG. 37 is a perspective view of a window structure having a window frame circumscribing an opening covered by a transparent or translucent patch and depicting an alternative shield device disposed on the patch.
- FIG. 38 is a perspective view of the window frame of FIG. 37 showing a body of unifying material applied over the patch and the shield device to form a cohesive mass and depicting a section of the body of unifying material removed along with the shield device to expose a port in the cohesive mass.
- FIG. 39 is a perspective view depicting ported stabilization of a window structure involving placement of a second patch over the body of unifying material.
- the present invention relates to the stabilization of window structures installed in fabrications or constructions such as buildings and vehicles.
- the present invention may be used on window structures of any type including one or more panes disposed in an opening circumscribed by a window frame.
- the opening and frame may form or be disposed in exterior or interior walls or doors of the fabrication or construction or may be free-standing, such as where the fabrications or constructions are showers, telephone booths, glass cubicles, tanks and the like.
- the window structure may include one or more tracks receiving a peripheral edge of the one or more window panes.
- the panes may be flat or planar or may have curved or other non-planar shapes or profiles.
- the window frame may be constructed separately from the fabrication or construction as a frame member including one or more parts, or may be formed integrally, unitarily with the fabrication or construction.
- the frame may be formed by any peripheral edge, border or surface circumscribing an opening in which one or more panes is/are installed or intended to be installed, and this edge, border or surface can be provided with or without a trim or finish.
- the one or more tracks may be formed by, on or in the window frame and/or the fabrication or construction, and typically includes a groove receiving the peripheral edge of the one or more window panes.
- the window structure may include one or more vertical and/or horizontal mullions dividing the opening into separate sections, each receiving a window pane.
- the mullions may include tracks receiving peripheral edges of the window panes.
- the tracks can be made as separate pieces, or can be formed integrally, unitarily with the window frame, the fabrication or construction and/or the mullions.
- Representative window structures include sash windows, casement windows, sliding windows, sliding glass doors, slidably or pivotally movable windows, non-movable windows, fixed windows, movable windows, protruding windows, recessed windows and the like in fabrications or constructions of any type including but not limited to houses, stores, office buildings, banks, car dealerships, schools, museums, showers, telephone booths, cubicles, decorative and functional partitions, doors, tanks, aquariums, cars, trucks, buses, trains, boats, ships, submarines, planes and spacecraft.
- Fabrications and constructions to which the present invention applies include commercial, residential, governmental and recreational fabrications or constructions.
- the one or more panes will typically be made of glass, but may be made of any brittle material susceptible to being shattered, broken or cracked. Accordingly, the term “glass” as used herein should be considered illustrative only and is intended to encompass any type of window pane material.
- glass is intended to include various types of glass including treated plate glass, untreated glass, tempered glass, laminated glass, single pane glass, double pane glass, etc.
- FIG. 1 illustrates a building 10 having a window structure 12 including a glass window pane 14 mounted in a window frame 16 .
- the window pane 14 is planar and is disposed in an opening of the building 10 , with the frame 16 circumscribing the opening.
- the window structure 12 is shown in an exterior wall of building 10 , but may form or be located in any exterior or interior component of building 10 .
- the window pane 14 is shattered, broken or cracked, and has one or more cracks, fissures or fractures 18 therein, which may extend through the entire or less than the entire thickness of window pane 14 . Depending on the severity of damage, the one or more cracks 18 may have broken the window pane 14 into individual fragments as shown by fragment 19 .
- the cracks circumscribing fragment 19 extend through the entire thickness of pane 14 such that fragment 19 is separated from and not attached to the surrounding glass. Fragment 19 has not yet fallen or otherwise become loose from the remainder of the window pane 14 , but is at risk of falling or otherwise becoming loose from the remainder of the window pane so as to leave a hole therein, particularly if force or pressure is applied to the window pane. Even where the damage to the window pane 14 has produced cracks without individual fragments, the shattered window pane 14 is nonetheless susceptible to collapsing or caving in due to its own weight and/or extraneous force or pressure thereon. The window structure 12 thusly presents a great risk that fragments or pieces of the window pane 14 will fall away from the window structure.
- the one or more cracks 18 also compromise the barrier or seal normally provided by the window structure 12 when the window pane 14 is unbroken.
- the one or more cracks 18 permit communication between the exterior and the interior sides of the window structure 12 such that environmental elements may reach the building interior.
- people and/or objects in the building interior may suffer harm in the event that fragments or pieces of window pane 14 fall into the interior of the building 10 .
- the window structure 12 shown in FIG. 1 may be considered unstable or destabilized due to compromise of the structural integrity and/or compromise of the barrier or seal normally provided when the window pane 14 is not shattered, cracked or broken.
- the window structure 12 is stabilized by applying a layer or body of cohesive or unifying material 20 to the shattered window pane 14 to adhere thereto and form the shattered pane into a cohesive mass.
- Fig. I illustrates unifying material 20 comprising a polymeric foam being applied in fluidic form to the exterior surface of the window pane 14 over cracks 18 .
- the unifying material may be applied to the exterior surface and/or the interior surface of the window pane 14 depending on the location of the window structure, the accessibility of the window structure, the extent of damage to the window pane and/or other factors.
- the unifying material 20 may be applied to the window pane 14 in any manner, but is preferably sprayed on the window pane as shown in Fig.
- the unifying material 20 can be sprayed from a hand-held spraying device 22 or from a remotely controlled spraying device mounted on an extendable pole or handle.
- the unifying material 20 is applied to the window pane 14 in a layer 21 in the procedure illustrated in FIGS. 2 and 3 .
- the layer 21 of unifying material 20 is applied to the entire or substantially the entire surface area of the window pane exterior surface and/or interior surface exposed by frame 16 and selected to receive the layer of unifying material.
- the layer of unifying material may be applied to only a cracked, broken or shattered section or sections of the window pane and may thusly be applied to only a selected portion or portions of the window pane exterior surface and/or interior surface corresponding to the cracked, broken or shattered section or sections.
- the layer 21 of unifying material may be applied to a desired thickness sufficient to structurally unite the shattered pane into a cohesive mass as explained further below.
- Typical thicknesses may be in the range of 1 ⁇ 8 inch to one inch thick or more, with layers of greater thickness typically being used on window panes of relatively greater thickness, weight and/or external size.
- a layer of polymeric foam unifying material I to 6 inches thick was found sufficient for a shattered glass pane 3 ⁇ 8 inch thick, and a foam layer about 3 ⁇ 4 inch thick worked well on a shattered window pane 3/16 inch thick.
- the thickness of layer 21 may be uniform or non-uniform.
- the fluidic unifying material may seep into or enter one or more of the cracks 18 , and the unifying material may seep into one or more cracks the entire or less than the entire depth of the one or more cracks. Accordingly, the fluidic unifying material may seep into one or more cracks 18 so that fragments or shards, such as fragment 19 , of pane 14 are embedded in the unifying material.
- FIGS. 2 and 3 are representative of a stabilized window structure and FIGS. 1-3 are representative of a stabilizing procedure wherein the layer 21 of unifying material 20 is applied to substantially the entire surface area of the exterior surface of window pane 14 exposed by frame 16 .
- FIGS. 2 and 3 show the layer 21 of unifying material 20 applied to window pane 14 inside of frame 16 without any overlap of the layer 21 of unifying material on the frame 16 .
- a small peripheral gap or border 23 may be maintained during the application process between the frame 16 and the perimeter of the layer 21 as shown in FIG. 3 .
- the layer 21 of unifying material 20 may overlap the frame 16 and, if needed, a suitable release element can be disposed over frame 16 between the frame and the unifying material to prevent or inhibit the unifying material 20 from bonding or adhering to the frame 16 .
- the release element may include a chemical agent or composition and/or a physical or mechanical barrier. Suitable release elements are disclosed in applicant's prior U.S. patent application Ser. No. 09/362,890 filed Jul. 29, 1999, and now U.S. Pat. No.
- Suitable release elements include, but are not limited to, silicone, hydrocarbons of relevant molecular weight, petroleum based release agents, alcohols, aliphatic hydrocarbons, aromatic hydrocarbons, halogenated solvents, glycol ethers, methyl ethyl ketones, xylene, d-limonene, phthalates, benzoates, releasable tape, polyurethane, and polyethylene film.
- silicone hydrocarbons of relevant molecular weight
- petroleum based release agents alcohols, aliphatic hydrocarbons, aromatic hydrocarbons, halogenated solvents, glycol ethers, methyl ethyl ketones, xylene, d-limonene, phthalates, benzoates, releasable tape, polyurethane, and polyethylene film.
- the layer 21 cover each crack 18 in its entirety or substantially in its entirety.
- FIG. 2 illustrates the cracks 18 in their entireties covered by layer 21 .
- the layer 21 should cover a substantial portion of the one or more cracks 18 and, preferably, should cover as much as possible of cracks 18 .
- crack coverage may vary depending on the particular application presented during use.
- the layer 21 of polymeric unifying material 20 reacts, cures, dries, sets, hardens, rigidifies or solidifies quickly to form the shattered pane 14 into a cohesive, unified or integral mass 24 as shown in FIGS. 2 and 3 .
- any one term, or its derivative, from the set of terms including “reacts”, “cures”, “dries”, “sets”, “hardens”, “rigidifies” and “solidifies” and the like encompasses the entire set of terms and its derivatives.
- the layer 21 of polymeric unifying material 20 when cured, is a solidified compressible material to which the window pane 14 including any individual fragments, such as fragment 19 and even the tiniest of fragments, are bonded or adhered.
- the layer 21 of unifying material 20 is shown as being flat or smooth along its outer, exposed surface and as being of uniform thickness, the layer of unifying material may be non-flat or non-smooth and may be of non uniform thickness.
- the outer surface of polymeric unifying material 20 will be covered with small bumps after curing. Where the unifying material 20 has entered a crack 18 as shown in FIG. 4 , a structural or mechanical bond is created at the crack when the unifying material solidifies. In FIG.
- the crack 18 extends through the entire thickness of window pane 14
- the unifying material 20 extends into the crack 18 from the exterior surface to the interior surface of window pane 14 .
- FIG. 4 is thusly illustrative of the unifying material 20 extending the entire depth of the crack as well as the entire thickness of pane 14 .
- the crack depth and pane thickness to which the unifying material extends may vary in accordance with the crack width, the crack depth, the viscosity of the fluidic unifying material and/or other factors.
- the unifying material 20 is desirably very adhesive to ensure a strong bond with the window pane 14 so that the layer 21 of polymeric unifying material 20 is permanently or substantially permanently bonded, adhered or attached to the window pane.
- the window pane does not become detached from the layer of polymeric material when extraneous forces are applied to the cohesive mass during removal from frame 16 , during disposal and/or while the cohesive mass is allowed to remain in place in frame 16 prior to removal.
- the strong bond between the layer of unifying material and the window pane also allows the cohesive mass to be removed from frame 16 by pulling as explained further below, although the cohesive mass can be removed by pulling and/or pushing as also explained further below.
- the polymeric unifying material 20 may include a polyurethane or any sprayable polymeric material that foams upon application to the window pane so that the polymeric material remains in place as it is applied.
- FIG. 3 illustrates the polymeric unifying material 20 as a polymeric foam material.
- Polymeric foams are generally very adhesive by nature and thus ensure adequate bonding to the window pane so that no fragments separate from the cohesive mass 24 during its removal. It should be appreciated, however, that the unifying material may be a non-foaming polymeric material, such as a non-foam polymeric film, as described further below.
- the layer 21 can be pre-formed and then subsequently bonded or adhered to the window pane with a suitable adhesive or bonding agent, and the unifying material 20 may be used as the adhesive or bonding agent.
- a suitable adhesive or bonding agent such as a styrene, polyurethane and copolymers of the foregoing.
- the layer 21 of polymeric unifying material 20 can absorb energy from impacts sustained prior to, during, and subsequent to removal of the cohesive mass 24 .
- the layer 21 of polymeric material 20 is deformable so as to allow the cohesive mass 24 to resiliently bend, flex, cave in or buckle along the relatively weaker areas defined by the one or more cracks 18 , thereby facilitating removal of the cohesive mass from the window frame.
- the present invention is not limited to polymeric materials in that various non-polymeric materials capable of unifying a shattered window pane into a cohesive mass may be utilized as the unifying material.
- FIG. 2 illustrates a pair of grasping members 26 attached to the cohesive mass 24 by the polymeric unifying material 20 , which acts as a bonding agent or adhesive for the grasping members.
- the grasping members 26 are formed as handles, respectively, each having opposing ends 28 embedded in the layer 21 of polymeric unifying material 20 and an elongate grasping portion 30 extending between ends 28 as shown in FIGS. 2 and 3 .
- the ends 28 may be embedded or pushed into the layer 21 of polymeric unifying material 20 before it fully cures, with the grasping portion 30 maintained externally and free of the layer of polymeric unifying material. If necessary, such as where the thickness of the layer 21 is insufficient to firmly secure the ends 28 , additional polymeric unifying material 20 may be added at the attachment sites for ends 28 to increase the thickness and, therefore, the securing strength, of the polymeric material at the attachment sites. When the polymeric material 20 has finally cured, the ends 28 will be bonded or adhered to the polymeric material, and the grasping members 26 will be attached to the cohesive mass.
- the handles can be made of any suitable material including plastic, metal, cardboard, paper, string and wood.
- additional unifying material can be applied before and/or after the layer 21 has finally cured.
- the layer 21 and the additionally applied unifying material can be used individually or in combination to secure the grasping members to the cohesive mass in that the handle ends can be embedded or inserted in the layer 21 and/or in the additionally applied unifying material.
- the grasping members 26 formed as handles can be cut or fabricated to have a desired length such that the length of the handles is adjustable. The length of the handles may also be adjusted by controlling the length of ends 28 that is embedded in the unifying material.
- the optimal locations for the grasping members can be selected in accordance with variables such as location of the window structure, accessibility of the window structure, and size, configuration and/or weight of the window pane.
- grasping members can be attached thereto in situ or during the layer formation process.
- the grasping members can be secured to the cohesive mass in various ways including the use of other adhesives or bonding agents and/or mechanical securing elements such as clips and the like.
- the ends of the grasping members may be flat or can have any desired shape, and may be secured directly to the window pane via adhesives and/or mechanical securing elements as explained further below. In the latter case, the grasping members may be attached to the window pane surface selected to receive the unifying material and/or to a surface of the window pane devoid of unifying material as explained in further detail below.
- the polymeric unifying material 20 may be supplied as a one-component supply system, as shown by FIG. 1 , or as a two-component supply system, as explained further below.
- mixing takes place in a tank or container 34 of spraying device 22 , which has a discharge device or nozzle 36 for spraying or discharging the fluidic polymeric material from the container 34 .
- container 34 contains a polymeric blend such as a polymeric polyol, polyurethane prepolymer and a polymeric hydrocarbon propellant to be discharged as a foam from delivery device 36 .
- the nozzle 36 may be designed to emit the polymeric unifying material in a broad or narrow discharge pattern depending on the coverage needed for a particular application.
- the nozzle be designed, for example, as a wide fan spay nozzle, to provide a broad discharge pattern to reduce the time required to cover a large surface area.
- the polymeric unifying material is to be applied to a relatively narrow or constricted surface area, such as to window pane fragments along a track of a window frame as explained below, it is preferred that the nozzle be designed, for example, as a narrow band nozzle, to provide greater control and targeting of the polymeric unifying material.
- the supply system for the polymeric material can be provided with a nozzle having a discharge pattern adapted for a particular application, and different supply systems having nozzles with different discharge patterns for different applications can be made available to users.
- the supply system can be provided with a multi-functional nozzle capable of selectively generating different discharge patterns so that a single supply system can be used for different applications.
- a plurality of nozzles having different discharge patterns can be provided with or made available for interchangeable use with the supply system.
- the layer or body of unifying material 20 can be applied in any desired shape or formation depending on the particular application. Accordingly, the terms “layer” and “body” are used interchangeably to encompass any desired deposition or formation of material including broad and narrow depositions made up of a single layer, thickness or coat of uniform or non-uniform thickness or of multiple sub-layers, sub-thicknesses or sub-coats of uniform or non-uniform thicknesses applied sequentially one on top of the other as described further below.
- the window structure 12 may be considered stabilized in that formation of the shattered pane 14 into cohesive mass 24 restores structural integrity and sealing functionality to the window pane.
- the window pane 14 will then be in condition for safe removal as part of the cohesive mass, which may be removed as one piece or as a plurality of relatively large pieces.
- the window pane 14 does not have to be removed immediately but can remain in place until a suitable replacement pane and/or convenient time for replacement is/are available.
- the polymeric unifying material 20 is water-repellant and resistant to degradation or damage from environmental elements and can remain exposed to weather conditions such as rain, snow, sun and wind.
- window pane 14 While the window pane 14 remains in place, the window pane as well as people and objects disposed to the exterior and/or the interior sides of the window structure are protected from injury and damage. In particular, collapsing or caving in of the window pane is inhibited, glass fragments and shards such as fragment 19 are bonded or embedded in the polymeric unifying material and cannot become loose, and the passage of environmental elements through the glass pane is deterred due to the barrier or seal provided by the cohesive mass. It should be understood that the terms “barrier” and “seal”, and their derivatives, are used interchangeably and that “seal” and its derivatives encompass complete and partial seals.
- the window pane 14 may be safely removed to the exterior of building 10 by pulling the cohesive mass 24 in the exterior direction from the frame 16 as shown in FIG. 5 , wherein the cohesive mass is manually pulled via hands holding grasping members 26 . As the cohesive mass 24 is pulled, it may resiliently flex, bend, deform or cave in, as needed, along the relatively weakened areas of the cohesive mass presented at cracks 18 to permit disengagement of the window pane 14 from frame 16 .
- the cohesive mass 24 may be hit adjacent to frame 16 with a hammer or other tool, a tool may be inserted between the window pane 14 and the frame 16 and/or a glass punch or cutting tool may be used to separate, disengage and/or cut the window pane 14 from the frame 16 and/or the fabrication or construction and, typically, from the track of the window structure.
- a tool may be inserted between the window pane 14 and the frame 16 and/or a glass punch or cutting tool may be used to separate, disengage and/or cut the window pane 14 from the frame 16 and/or the fabrication or construction and, typically, from the track of the window structure.
- Various tools or implements employed in various ways can be used for the latter purposes.
- the cohesive mass 24 including the layer 21 of unifying material 20 and the window pane 14 bonded thereto, may be removed as a single, integral and unitary piece.
- the cohesive mass 24 may be selectively removed as a plurality of relatively large, integral and unitary pieces of cohesive mass 24 , with each piece including a section of the layer 21 and a corresponding section of window pane 14 aft ached thereto.
- the window pane remains attached to the layer of unifying material during and subsequent to removal such that glass fragments or shards do not become separated or detached.
- the cohesive mass may be cut into a plurality of pieces prior to removal.
- the cohesive mass 24 may be cut into a plurality of pieces by cutting through the layer 21 and through pane 14 to obtain a plurality of separately removable pieces of cohesive mass 24 and each piece of the cohesive mass may be associated with one or more grasping member.
- pre-existing cracks or fissures of the window pane can be used to delineate the pieces of the cohesive mass so that the layer of unifying material need only be cut through along the one or more pre-existing cracks or fissures.
- the cracks themselves may be used to define the formation of separately removable cohesive masses as described in detail below.
- the cohesive mass 24 is shown herein as being removed to the exterior side of the window structure by a single, exteriorly located person pulling the cohesive mass in the exterior direction, it should be appreciated that the cohesive mass can be removed to the exterior side or to the interior side of the window structure as one or more pieces by one or more persons in various ways, such as by pulling and/or pushing the cohesive mass, with or without the use of grasping members. Pulling and/or pushing of the cohesive mass can be performed using the hands or various conventional tools. Where no grasping members are provided, the cohesive mass can merely be pushed to the interior side or to the exterior side of the window structure. Subsequent to being removed from the window frame 12 and the fabrication or construction, i.e. building 10 , the cohesive mass 24 including window pane 14 thereof can be safely handled and transported to a disposal site.
- FIG. 6 illustrates a stabilized window structure 112 , similar to window structure 12 , including a layer 121 of non-foam unifying material 120 applied to the exterior surface of a broken window pane 114 .
- the window pane 114 is mounted in frame 116 and has cracks 118 therein.
- the layer 121 of unifying material 120 may be applied, such as by spraying, to window pane 114 in fluidic form as described above and, upon drying, curing, hardening or setting of the unifying material 120 , a cohesive mass 124 is formed including the layer 121 of unifying material 120 and the window pane 114 adhered thereto.
- non-foam unifying materials which may be polymers or non-polymers, suitable for use in the present invention include cellulosic and polymer films such as polyvinyl, latex, polyurethane, acrylate such as acrylic latex, cellophane and other polymers, and cellulosics or composites.
- Another representative foam material is Acrylic Latex sold by Dow Chemical Company.
- a stabilized window structure 212 in which first and second layers 221 and 221 ′ of unifying material 220 have been applied to both the exterior and interior surfaces, respectively, of window pane 214 having cracks 218 therein is shown in FIG. 7 .
- Unifying material 220 is similar to unifying material 20 , and each layer 221 and 221 ′ is made up of multiple sub-layers or coats of unifying material 220 as shown by first and second sub-layers 221 a and 221 b for layer 221 and sub-layers 221 a ′ and 221 b ′ for layer 221 ′.
- the sub-layers for each layer 221 and 221 ′ may be applied sequentially, one on top of the other, after at least partial curing of the underlying sub-layer.
- layers 221 and 221 ′ of unifying material to both the exterior and interior surfaces of window pane 214 enhances the seal and structural integrity provided by the cohesive mass 224 , which includes window pane 214 and layers 221 and 221 ′ adhered thereto. More particularly, the shattered window pane 214 is sealed, confined or encapsulated between the layers 221 and 221 ′, and the layers 221 and 221 ′ provide additional assurance that glass fragments will not become detached from the cohesive mass 224 .
- the layers 221 and 221 ′ are illustrated as being similar to layer 21 , it should be appreciated that multiple sub-layers of unifying material similar to layer 121 can be applied to the exterior and/or interior surfaces, respectively, of a shattered window pane. As shown by dotted lines for layer 221 , the layers of unifying material may be of non-uniform or varying thickness.
- the two-component supply system includes a first supply tank or container 334 a containing component A, such as a polymeric polyol, a second supply tank or container 334 b containing component B, such as disocyanate, and a mixing head 338 which statically blends and reacts components A and B under pressure from a propellant 340 for delivery of polymeric unifying material 320 in fluidic form through discharge device or nozzle 336 .
- the disocyanate and the polymeric polymer are mixed under the propellant's pressure and sprayed onto a shattered window pane 314 .
- Foaming will start as soon as the polymeric blend is deposited on the window pane 314 , and a desired polymeric foam thickness may be achieved. As noted above, additional sub-layers or coats can be applied for extra protection. A catalyst can be added to the supply system if it is desired to decrease curing time.
- the one-component supply system of Fig. I is similar with the exception that a higher viscosity polyurethane prepolymer is used that is moisture cured by atmospheric humidity. Examples of suitable two-component supply systems are the Froth Pak® system of the Dow Chemical Company of Midland, Mich. and Handi-Foam® of Fomo Products, Inc.
- FIGS. 9-11 illustrate a procedure for stabilizing a window structure 412 having a shattered window pane 414 that is missing one or more fragments.
- window pane 414 has a hole, opening or void 442 therein.
- a first layer 421 of unifying material 420 is applied to the exterior or interior surface of window pane 414 around the perimeter of hole 442 as shown in FIG. 9 , which illustrates the first layer 421 of unifying material 420 being sprayed onto the exterior surface of window pane 414 .
- the unifying material can be a foam or non-foam polymer, a cellulosic material or any other suitable unifying material.
- a patch 444 larger than the hole 442 , is positioned over the hole 442 and is adhered to the unifying material as shown in FIG. 10 .
- the patch 444 will bond to the unifying material around the perimeter of hole 442 and thusly close off the hole 442 .
- a second or additional layer of unifying material 421 ′ is applied over the patch, as shown in FIG. 11 , to provide structural integrity and a seat for the hole 442 .
- the second layer 421 ′ bonds to the first layer 421 , to the patch 444 and to the window pane 414 to form a cohesive mass.
- the second layer 421 ′ of unifying material is applied to an area larger than the patch 444 so that the edges of the patch are covered and thereby sealed.
- the seal provided by the additional layer 421 ′ of unifying material deters the entry of water and other environmental elements through the hole 442 .
- the patch 444 may be cut to size during use and may be made of any suitable material including, but not limited to, cotton and synthetic fabrics, plastics, paper, rubber, metal, wood, cellulose and foam.
- one or more layers of unifying material, with or without a patch may also be applied to the interior surface of the window pane 414 for additional protection.
- the patch 444 does not have to be secured to the window pane using the unifying material, since the patch can be self-securing or may be secured using interior surface of windshield 514 , the window structure 512 is stabilized due to the barrier provided by the cohesive mass and the structural integrity that is restored to the windshield. In non-emergency situations, the damaged windshield can safely remain in place prior to and while awaiting installation of a replacement windshield, and the vehicle interior will be protected from environmental elements.
- holes present in the window panes of vehicles can be patched as described above for window structure 412 .
- the grasping members 526 are grasped from the exterior side of automobile 511 , and the cohesive mass 524 is pulled in the exterior direction as shown in FIG. 13 .
- the cracks 518 in windshield 514 permit the cohesive mass 524 to resiliently deform, buckle, cave in, bend or flex along the relatively weaker areas defined by cracks 518 so that the windshield 514 is disengaged from the frame 516 .
- the windshield 514 If the windshield 514 is not cracked or shattered sufficiently to permit the cohesive mass 524 to deform to the extent necessary to disengage the windshield from frame 516 , the windshield can be held substantially in place by one or more persons via grasping members 526 while a force is applied to the edges of the windshield in the interior direction, as shown by arrows in FIG. 12 .
- the force applied to the edges of the windshield 514 may be applied using a window punch or another suitable tool, and an interiorly directed force may be applied to the edges of the windshield at various locations adjacent to the frame 516 as shown by the arrows of FIG. 12 .
- the edge of windshield 514 may be disengaged from the frame 516 , but the windshield is prevented from falling into the automobile interior by the exteriorly directed counter force applied via grasping members other adhesives.
- An example of a self-securing patch is one having an adhesive backing. It should also be appreciated that, depending on the size of the hole, the patch may include a single patch member covering the hole in its entirety, or may include a plurality of patch members arranged to cover the entirety of the hole.
- Window structure 512 includes a frame 516 and a shattered windshield 514 of non-planar configuration mounted in frame 516 ; however, the present invention is applicable to various fixed and slidable or other movable windows in vehicles.
- the present invention is useful for stabilizing and removing shattered vehicle windows in emergency and non-emergency situations, but is particularly useful in emergency situations where a vehicle window must be quickly removed to access one or more passengers in the interior of the vehicle without pushing glass fragments into the interior and causing injury to the one or more passengers. As shown in FIG.
- a layer 521 of unifying material 520 is applied to the exterior surface of windshield 514 over cracks 518 and forms cohesive mass 524 including the shattered windshield 514 and the layer 521 adhered or bonded thereto.
- the layer 521 of unifying material 520 is shown applied to the entire exterior surface of windshield 514 exposed by frame 516 , with the layer 521 conforming to the curvature of the windshield 514 .
- grasping members 526 in the form of handles have been secured to cohesive mass 524 .
- a layer 521 of polymeric material 520 can be applied to the interior surface and/or to the exterior surface of windshield 514 . With a layer 521 applied to either or both of the exterior surface and 526 .
- the edges of the windshield can be disengaged in various ways using various tools or implements, including those for cutting.
- FIG. 14 illustrates a window structure 612 having two intersecting cracks 618 a and 618 b dividing window pane 614 into three separate and disconnected window pane sections 614 a , 614 b and 614 c .
- One or more of the window pane sections 614 a , 614 b and 614 c may have cracks, holes or fissures therein, and such cracks, holes or fissures may divide the one or more window pane sections into separate and disconnected fragments.
- FIG. 14 illustrates a window structure 612 having two intersecting cracks 618 a and 618 b dividing window pane 614 into three separate and disconnected window pane sections 614 a , 614 b and 614 c .
- One or more of the window pane sections 614 a , 614 b and 614 c may have cracks, holes or fissures therein, and such cracks, holes or fissures may divide the one or more window pane sections into separate and disconnected fragment
- FIG. 14 illustrates window pane section 614 a with a hole 642 therein of a size suitable to be patched, plugged or filled by the unifying material itself without the need for a separate patch and illustrates window pane section 614 c with a crack 618 c that may or may not divide window pane section 614 c into separate and discontinuous fragments.
- FIG. 14 also illustrates grasping members 626 secured directly to the window pane 614 .
- Grasping members 626 each have flat ends 628 provided with securing elements 629 for securement to window pane 614 for each window pane section, respectively, and grasping portion 630 extending between ends 628 .
- the securing elements 629 for grasping members 626 include layers of adhesive on the flattened ends 628 , respectively.
- the grasping members 626 are shown in FIG. 14 secured to the surface of window pane 614 selected to receive the unifying material, the grasping members being secured to the exterior surface of window pane 614 in the illustrated embodiment. Where the grasping members are secured to the surface of the window pane selected to receive the unifying material, the grasping members will typically be secured to the window pane prior to application of the unifying material to the selected surface. However, the grasping members could be secured to the window pane during or after application of the unifying material thereto by inserting the ends through the unifying material to contact the window pane, as would typically be done before the unifying material fully cures.
- the grasping members may be secured directly to the unifying material after it has fully cured.
- the grasping members 626 can be secured to the window pane sections 614 a , 614 b and 614 c , respectively, at any suitable locations selected by the glass remover.
- Grasping members 626 may alternatively or additionally be secured to the surface of window pane 614 opposite the surface selected to receive the unifying material.
- a grasping member 626 ′ is shown in doffed lines with its flat ends adhesively secured to the interior surface of window pane 614 for window pane section 614 b .
- the grasping member 626 ′ is shown secured to the interior surface of window pane section 614 b prior to application of the unifying material to the exterior surface, but can be secured to the interior surface of the window pane at any time before, during or after application of the unifying material, since the interior surface has not been selected to receive the unifying material.
- the selected number of grasping members 626 ′ may be secured to the interior surface of the window pane prior to, during or after application of the unifying material thereto as described above for grasping members 626 .
- Another grasping member 626 ′′ is illustrated in FIG.
- the securing element 629 ′′ for grasping member 626 ′′ includes a suction cup for direct attachment of the grasping member 626 ′′ to the window pane before, during or after application of the unifying material to the window pane.
- FIGS. 15 and 16 A method of removing shattered window pane 614 is illustrated in FIGS. 15 and 16 , and is representative of a method in which pre-existing cracks in a damaged window pane are used to define, delineate, or demarcate the formation of a plurality of separately removable cohesive masses.
- FIG. 15 shows layers 621 a and 621 b of unifying material 620 already applied to the exterior surface of window pane sections 614 a and 614 b , respectively, and a layer of unifying material 620 being applied to the exterior surface of window pane section 614 c .
- FIG. 15 shows layers 621 a and 621 b of unifying material 620 already applied to the exterior surface of window pane sections 614 a and 614 b , respectively, and a layer of unifying material 620 being applied to the exterior surface of window pane section 614 c .
- FIG. 16 shows the layer 621 c of unifying material after being applied to window pane section 614 c and shows window pane section 621 a , with layer 621 a bonded thereto, removed from window structure 612 .
- the layers 621 a , 621 b and 621 c are applied to window pane sections 614 a , 614 b and 614 c , respectively, leaving the cracks 618 a and 618 b devoid of unifying material.
- margins are maintained between the layers of unifying material and the corresponding cracks 61 8 a and 61 8 b , such that each crack 61 8 a and 618 b forms a seam, not covered by the unifying material, at which the window pane sections remain separable and discontinuous from one another.
- margins are also maintained between the layers of unifying material and the window frame 616 , such that each layer of unifying material is surrounded or circumscribed by a peripheral gap or border of window pane 614 to which unifying material is not applied.
- the unifying material forms cohesive masses 624 a , 624 b and 624 c for each window pane section, respectively, with each cohesive mass including a layer of unifying material and the corresponding window pane section bonded thereto.
- the hole 642 and the crack 618 c are patched, plugged, covered or filled in with the unifying material 620 as the layers 621 a and 621 c of unifying material 620 are applied, respectively, to the window pane, the unifying material serving to build the perimeter of hole 642 inwardly until the hole is filled.
- the ends of the grasping members 626 are embedded in the layers of unifying material 620 as the unifying material is applied to the window pane as explained above.
- a separate patch is not required for hole 642 , although a patch may be desirable and/or necessary to cover relatively large holes.
- any or all of the window pane sections are divided into disconnected fragments, such fragments will be unified or bonded together as part of the corresponding cohesive mass.
- FIG. 16 illustrates cohesive mass 624 a removed from the window structure 612
- the cohesive masses 624 a , 624 b and 624 c can be removed, in any of the manners described above, separately and individually from one another, which is particularly advantageous where the weight and/or size of window pane 614 make it undesirable for removal as one piece.
- a glass punch or other suitable tool or implement may be used to separate the window pane sections from window frame 616 and/or the fabrication or construction and, typically, from a track of window structure 612 .
- the grasping members 626 ′ shown in FIG. 14 are provided for each window pane section, the grasping members 626 ′ facilitate removal of the cohesive masses by pulling to the interior side of the window structure.
- the window pane can be formed into a single cohesive mass which can then be separated into separately removable pieces as already explained herein above. It should also be appreciated that layers of unifying material can be applied to the exterior and/or interior surfaces of the window pane sections.
- FIG. 17 A window structure 712 in which all of the window pane or glass is missing is shown in FIG. 17 . Accordingly, window structure 712 has a hole 742 therein corresponding to the entire opening circumscribed by window frame 716 .
- FIG. 17 also illustrates window structure 712 in the case where substantially all, but not entirely all, of the window pane or glass is missing, in that insubstantial portions of window pane 714 remain in window structure 712 adjacent window frame 716 as shown in dotted lines.
- the window structure 712 still has a sizable hole 742 ′ shown in dotted lines. Where either hole 742 or 742 ′ is present, the hole is too large to be filled using the unifying material alone. Accordingly, the window structure 712 is stabilized by covering the entire opening with a patch.
- An optional release element 745 is illustrated in FIG. 17 disposed over the exterior surface of window frame 716 and may include any of the release elements previously described above.
- FIG. 18 illustrates a first patch member 744 a having an adhesive backing 743 and being secured via the adhesive backing to the exterior surface of frame 716 such that the patch member 744 a covers the entire height of the opening and a little more than half the width of the opening.
- the top edge, bottom edge and left side edge of patch member 744 a are adhesively secured to window frame 716 and/or to release element 745 along the top, bottom and left sides of window frame 716 .
- the patch member 744 a partially overlaps the window frame 716 and/or release element 745 along the top, bottom and left sides of window frame 716 such that a gap or border of window frame 716 and/or release element 745 is exposed along the top, bottom and left side edges of patch member 744 a .
- the right side edge of patch member 744 a spans the opening from top to bottom.
- a second patch member 744 b having an adhesive backing 743 is secured to the exterior surface of window frame 716 such that the second patch member 744 b covers the entire height of the opening and the remaining uncovered width of the opening as shown in FIG. 19 .
- the second patch member 744 b has top, bottom and right side edges adhesively secured to window frame 716 and/or to release element 745 along the top, bottom and right sides of window frame 716 .
- the patch member 744 b has a left side edge that overlaps the right side edge of patch member 744 a and is adhesively secured thereto.
- the patch member 744 b partially overlaps the frame 716 and/or the release element 745 along the top, bottom and right sides of frame 716 , with a gap or border of frame 716 and/or release element 745 exposed along the top, bottom and right side edges of patch member 744 b .
- the adjacent patch members 744 a and 744 b form a patch having a peripheral edge continuously secured to the window frame along the top, bottom, left and right sides of the window frame, and a peripheral gap or border 747 of window frame 716 and/or release element 745 is disposed around the periphery of the patch.
- the patch may be adhered to the glass if it is feasible to do so.
- a body of unifying material 720 is applied over the patch as also shown in FIG. 19 .
- the unifying material 720 is applied over the patch as a layer 721 to form cohesive mass 724 including layer 721 and the patch members 744 a and 744 b , shown in FIG. 19 , bonded thereto.
- the layer 721 covers the entire peripheral edge of the patch for an enhanced seal.
- the layer 721 overlaps the peripheral margin 747 of window frame 716 and/or release element 745 partially or entirely.
- more than one layer of unifying material can be provided over the patch, and one or more layers of unifying material can be provided on the exterior and/or the interior sides of the patch.
- the window structure 712 is stabilized in FIG. 20 , with the cohesive mass 724 providing structural integrity and a barrier between the exterior and interior sides of the window structure.
- the cohesive mass 724 may remain in place until an intact window pane can be installed in frame 716 .
- FIGS. 18-20 are applicable to any of the fabrications or constructions described above, including vehicles.
- the method illustrated in FIGS. 18-20 is useful for covering unprotected openings in fabrications, such as buildings, under construction. In the latter case, openings in buildings or other fabrications under construction can be closed off to protect the interior until a window or other intended architectural component can be installed in the opening.
- the release element 745 may be designed to allow the adhesive backing 743 and/or the layer 721 of unifying material 720 to adhere to the window frame 716 with sufficient force to avoid undesired detachment or separation of the cohesive mass from the frame 716 , while permitting the cohesive mass to be forcefully separated or detached from the frame 716 for removal of the cohesive mass without significant damage to the window frame.
- the cohesive mass 724 can be removed in any of the manners described above. Where the patch has been adhered to glass present in the opening, the glass will become part of the cohesive mass and will be removed therewith.
- a body of unifying material can be applied to the remaining glass to form a cohesive mass therewith which can then be removed from the window structure.
- the patch members 744 a and 744 b can be removably secured or attached to the window frame 716 using the unifying material as an adhesive as previously described for window structure 412 . Accordingly, a quantity of unifying material 720 can be applied to window frame 716 and, thereafter, the patch members 744 a and 744 b can be positioned to cover the opening with the patch members secured to the window frame using the unifying material as an adhesive. Prior to this step, the window frame can be protected, if necessary, using a release element.
- the unifying material can be applied to the window frame as a continuous peripheral band around hole 742 or as a plurality of individual, discrete deposits of material located at any suitable locations on frame member 716 .
- the unifying material optimally is applied to this glass and the patch is secured thereto using the unifying material as an adhesive.
- adhesives other than the unifying material can be applied to the window frame to removably secure the patch thereto.
- the patch members are provided with an adhesive backing, the adhesive backing may cover the entire back surfaces of the patch members or a portion or portions of the back surfaces which come in contact with the window frame.
- the patch and layer of unifying material can be applied to the exterior and/or interior sides of window structure 712 .
- Grasping members can be secured to the cohesive mass 724 in any manner, such as being attached directly to the patch and/or the layer of unifying material, as shown in dotted lines by grasping member 726 .
- a layer of material of any type can be secured over the layer of unifying material for additional protection, structural strength and/or enhanced visual appearance.
- a modified stabilized window structure 812 is illustrated in exploded perspective view in FIG. 21 .
- Window structure 812 is similar to window structure 712 and has window frame 816 circumscribing an opening entirely or substantially entirely devoid of glass to present a sizable hole 842 .
- Window structure 812 is stabilized by covering the opening with a pre-formed, pre-fabricated panel 848 made of polymeric material which is lightweight and inexpensive and, preferably, made of polymeric foam material.
- the panel 848 is removably secured over window frame 816 via a backing of adhesive 850 on at least a peripheral portion of the back surface of panel 848 .
- the adhesive 850 could alternatively and/or additionally be applied to the window frame 816 .
- the adhesive 850 is preferably strong enough to secure the panel 848 on the window frame 816 so long as the panel 848 is intended to remain in place over the opening, while allowing the panel to be forcefully removed or detached from the window structure without significant damage to the window structure. If needed, the exterior surface of window frame 816 to which the panel 848 is secured can be protected with a suitable release element 845 .
- the panel 848 can alternatively and/or additionally be removably secured to the window structure using one or more mechanical securing devices 849 . Suitable pre-formed panels, securing devices and manners of securing the panels to window structures are disclosed in Applicant's prior U.S. patent application Ser. No. 09/878,214 previously incorporated herein by reference.
- the panel 848 can be secured on the interior or exterior sides of the window structure, and a panel 848 can be secured on each of the interior and exterior sides of the window structure.
- the panel 848 can easily be cut to fit the window frame 816 , and may include one or more grasping members 826 .
- the grasping members 826 may be secured to the panel 848 by a user or may be secured to the panel 848 as part of the manufacturing process.
- the panel 848 is left in place to stabilize window structure 812 until replacement glass can be installed. Once replacement glass is ready to be installed in the opening, the panel 848 is removed from the window structure by detaching it from window frame 816 . If needed, a knife or any suitable tool can be used to facilitate separation of the panel from the window frame. If some glass is present in the opening, a body of unifying material can be applied to the glass to form a cohesive mass therewith which can then be removed from the window structures.
- a protective member may be secured to the glass around the peripheral edge of the cohesive mass for the purpose of preventing or inhibiting a glass shard from piercing the unifying material in the event that the cohesive mass is subjected to considerable force.
- the cohesive mass would thusly be protected if a person or object forcefully impacted the cohesive mass.
- the protective member could include a film or sheet of polymeric or cellulosic material, a metal structure or mesh, or a film or sheet of any other material having protective or barrier characteristics.
- the protective member can be secured to the glass, the cohesive mass and/or the window frame in any various ways including use of the unifying material as an adhesive for the protective member.
- a protective member is not likely to be needed in most cases, but may be useful for window structures located at a ground floor or elevation.
- FIGS. 22 and 23 illustrate a window structure 912 having a window frame 916 circumscribing an opening and having a vertical mullion 954 and a horizontal mullion 956 dividing the opening into four sections or parts, each receiving a window pane 914 a , 914 b , 914 c and 914 d , respectively.
- Each window pane has two vertical sides and two horizontal sides, and is mounted along one of its vertical sides to vertical mullion 954 , along one of its horizontal sides to horizontal mullion 956 , and along the other of its vertical and horizontal sides to window frame 916 .
- Each window pane is mounted by having its peripheral edge disposed in a track 958 of window structure 912 as best shown in FIG. 23 for window pane 914 a .
- the track 958 for each window pane is formed by grooves or slots 960 in window frame 916 , vertical mullion 954 and horizontal mullion 956 .
- window pane 914 a for example, the edge of the left vertical side of window pane 914 a is received in a groove 960 in the left side of frame 916 , the edge of the right vertical side of window pane 914 a is received in a groove 960 in vertical mullion 954 , the edge of the top horizontal side of window pane 914 a is received in a groove 960 in horizontal mullion 956 , and the edge of the bottom horizontal side of window pane 914 a is received in a groove 960 in the bottom side of frame 916 , with each groove 960 cooperating to form the track 958 for window pane 914 a .
- window structure 912 of a window pane mounted in a track of window structure is generally applicable to any type of window structure, with or without mullions, including the window structures described above.
- the window pane 914 a is shattered as shown in FIGS. 22 and 23 , and comprises shards or fragments 962 of window pane 914 a jutting from its track 958 .
- FIGS. 24 and 25 A method for safely removing the window pane fragments 962 from track 958 is shown in FIGS. 24 and 25 .
- FIG. 24 illustrates a body of unifying material 920 being applied to the fragments 962 as a band, strip or bead extending along track 958 for window pane 914 a .
- FIG. 24 shows the body of unifying material 920 being applied to the fragments 962 disposed in the groove 960 in the left and bottom sides of frame 916 , and the unifying material is applied in a similar manner to the fragments disposed in the grooves of the horizontal and vertical mullions.
- the unifying material 920 is applied from a container 934 using a narrow band nozzle 936 , and the unifying material may be applied in a continuous or unbroken band, strip or bead of desired length. If desired or necessary, the track 958 and/or window frame 916 can be protected by applying a release element thereto to prevent or inhibit bonding of the unifying material to the track and/or the window frame.
- the unifying material 920 Upon drying, setting, hardening, rigidifying or curing, the unifying material 920 forms a cohesive mass 924 including the unifying material 920 and the fragments 962 bonded thereto as shown in FIG. 25 .
- the cured unifying material covers the sharp edges and/or points of the shards and thusly protects against injury or damage.
- the cohesive mass 924 can then be withdrawn from the window structure 912 , with the fragments 962 being removed from the track 958 as the cohesive mass 924 is withdrawn.
- the cohesive mass 924 can be withdrawn or removed in any suitable manner, such as by grasping and pulling an end 963 of the band, strip or bead to pull the cohesive mass away from the frame 916 so that the fragments are extracted from the track 958 .
- the fragments 962 can be separated from the track 958 by inserting a knife 964 or other tool into the groove 960 to break the adhesive bond between the window pane and its track as typically found in many conventional window structures.
- All of the fragments 962 for window pane 914 a can be removed as part of a single, continuous band, strip or bead of unifying material, i.e., a single cohesive mass, as a plurality of pieces of the single cohesive mass, or as a plurality of separately removable cohesive masses.
- Pieces of the single cohesive mass can be obtained by cutting the cohesive mass into separate pieces.
- Separately removable cohesive masses may be obtained by applying the unifying material in separate, disconnected bands, strips or beads to form separate cohesive masses utilizing pre-existing cracks or breaks between adjacent shards to delineate the separate cohesive masses.
- FIG. 26 is representative of a stabilized window structure and method of stabilizing a window structure wherein pre-formed panels of polymeric foam material are used as patch members, and wherein the patch members are disposed over an opening of the window structure without being placed in overlapping arrangement.
- Window structure 1012 illustrated in FIG. 26 includes window frame 1016 circumscribing an opening entirely or substantially entirely devoid of glass.
- First and second patch members I 044 a and I 044 b are secured over frame 1016 to cover the opening in its entirety, and each patch member I 044 a and I 044 b is a pre-formed panel made of polymeric foam as described above for panel 848 .
- Patch members 1044 a and 1044 b are secured to frame member 1016 as described for patch members 744 a and 744 b , except that patch members I 044 a and I 044 b are closely juxtaposed to one another without overlapping. Accordingly, the right side edge of patch member I 044 a is close to or in abutment with the left side edge of patch member I 044 b to form a seam 1070 between the adjacent patch members.
- a body of unifying material 1020 is applied over the exterior and/or interior sides of the patch formed by patch members 1044 a and 1044 b to form a cohesive mass therewith.
- the unifying material is applied to the seam 1070 between the adjacent patch members and forms an adhesive and/or mechanical bond that bridges the seam when the unifying material has cured.
- the unifying material may desirably be applied over the entire or substantially the entire surface area of the patch, the quantity of unifying material applied to the patch may be minimized in that it may only be necessary to apply the unifying material to the seam.
- the patch members 1044 a and 1044 b may be removably secured to frame 1016 adhesively, including use of the unifying material as the adhesive, and/or mechanically using mechanical securing devices as described for panel 848 .
- FIGS. 27-32 illustrate a method and a system of components for ported stabilization of a window structure wherein a port is formed in the cohesive mass to provide visualization and/or light transmission therethrough.
- FIG. 32 illustrates the ported stabilized window structure.
- Window structure 1112 illustrated in FIG. 27 includes window frame 1116 circumscribing an opening 1142 devoid of glass, and the opening 1142 can be entirely or almost entirely devoid of glass.
- the window structure 1112 is in an unstable condition in FIG. 27 due to the empty opening 1142 .
- the window frame 1116 is illustrated by way of example as comprising a peripheral frame member 1117 extending around the opening 1142 , a peripheral flange 1125 extending along the perimeter of the opening 1142 inwardly of the peripheral frame member 1117 , and a peripheral side wall 1127 extending around the opening 1142 between the peripheral frame member 1117 and the peripheral flange 1125 .
- the window frame 1116 is depicted by way of example as having four straight sides, with the peripheral frame member 1117 having a top frame member piece, a bottom frame member piece, a left frame member piece and a right frame member piece arranged in end to end relation around the opening 1142 .
- the top and bottom frame member pieces are depicted as being parallel to one another.
- the left and right frame member pieces are depicted as being parallel to one another and perpendicular to the top and bottom frame member pieces.
- the peripheral flange 1125 and the peripheral side wall 1127 follow the configuration of peripheral frame member 1117 . Accordingly, the peripheral flange 1125 has top, bottom, left and right peripheral flange sections in respective correspondence with the top, bottom, left and right frame member pieces.
- the peripheral side wall 1127 has top, bottom, left and right peripheral side wall sections in respective correspondence with the top, bottom, left and right frame member pieces.
- the peripheral flange 1125 may be flat or planar as shown in FIG. 27 . Each side wall section may be flat or planar and may be perpendicular to its corresponding peripheral flange section as seen in FIG. 27 .
- peripheral frame member 1117 will be disposed on the interior side of the window structure 1112 and the peripheral flange 1125 will be disposed on the exterior side.
- the window frame 1116 and its circumscribed opening 1142 have an inside depth between the peripheral frame member 1117 and the peripheral flange 1125 .
- the window structure 1112 may have originally included one or more glass panes within the opening 1142 , and the opening 1142 may be devoid of glass due to the one or more glass panes having been stabilized and removed from the window frame 1116 as part of a cohesive mass in any of the various ways described above.
- the opening 1142 may be devoid of glass due to no glass having yet been installed in the window frame 1116 as, for example, in the case of an uncompleted window structure located in a building or structure under construction.
- the window frame 1116 may be composed of various structural components or may simply be formed by a peripheral edge, border or surface circumscribing the opening 1142 .
- a transparent, translucent or optically clear patch or sheet 1144 is removably secured on the window structure 1112 to cover the opening in its entirety as shown in FIG. 28 .
- the patch 1144 can be translucent to allow the passage of light therethrough without being clear enough to permit visualization therethrough.
- the patch 1144 can be sufficiently transparent or clear to permit both visualization and the transmission of light therethrough.
- the patch 1144 as best seen in FIGS. 27 and 28 , comprises a single patch or sheet member having a size and configuration in order for a peripheral border of the patch or sheet 1144 to overlap the peripheral flange 1125 of the window frame 1116 .
- the patch or sheet 1144 may be a thin film or a relatively thicker panel of transparent, translucent or clear polymeric or cellulosic material, including plastics, such as polycarbonates exemplified by Lexan from General Electric Company.
- the patch 1144 may be lightweight, resistant to cracking or breakage, and may be waterproof or water-resistant.
- the patch 1144 can have various tensile strengths.
- the patch 1144 may be flexible or bendable, and the degree of flexibility can be varied.
- the patch 1144 can be sufficiently flexible in order to be provided or stored in a rolled up condition prior to use, or the patch 1144 can be sufficiently rigid in order to be handled in a manner similar to glass.
- the patch 1144 When removably secured on window structure 1112 to cover the opening 1142 , the patch 1144 will typically be in a flat or planar condition.
- the patch 1144 can be cut in the appropriate size and shape from a larger piece of the transparent or translucent material.
- the patch 1144 can be cut to size and shape using any suitable manual or powered cutting tools.
- the ability to cut the patch 1144 to the appropriate size and shape using manual cutting tools, such as knives and blades, is advantageous since electrical power needed for powered cutting tools may be unavailable when the window structure 1112 needs to be stabilized, for example during storm-related power outages or other conditions resulting in loss of utility power.
- the use of plywood panels to board up empty window openings disadvantageously requires the use of power tools in addition to the other disadvantages of plywood discussed hereinabove.
- the patch or sheet 1144 be a single patch or sheet member of appropriate size and shape to cover the opening 1142 in its entirety, the patch or sheet 1144 could comprise a plurality of overlapping and/or abutting patch or sheet members as described above.
- the patch 1144 can be removably secured to the window structure 1112 in various ways to be disposed over and cover the opening 1142 .
- FIG. 28 depicts an example where the peripheral border of patch 1144 is removably secured to the peripheral flange 1125 of window frame 1116 in overlapping relation, with the patch presenting an exposed surface area inside the boundary of the peripheral flange 1125 .
- the peripheral border of patch 1144 can be secured to the peripheral flange 1125 continuously along the entire periphery of the patch 1144 or at separate discrete locations spaced along the periphery of the patch 1144 .
- the patch 1144 may be secured to the window frame 1116 continuously along the entire periphery of the patch for an enhanced seal between the patch and the window structure 1112 and for enhanced cosmetic or aesthetic appearance in the ported stabilized window structure.
- the patch 1144 can be placed in removable securement on the window frame 1116 from the interior side of the window structure 1112 , which affords greater convenience and eliminates the need for ladders or scaffolds to access the exterior sides of elevated window structures.
- FIG. 28 depicts an arrangement where the peripheral border of the patch 1144 is removably secured to the peripheral flange 1125 continuously along the entire periphery of the patch via an adhesive 1143 between the peripheral border and flange 1125 .
- the patch 1144 can be self-securing as explained above in that the adhesive 1143 can be provided as an adhesive backing on the peripheral border of the patch 1144 , and the adhesive backing may be covered by a removable cover sheet which protects the adhesive backing prior to use.
- the patch 1144 can be provided without an adhesive backing, in which case the adhesive 1143 can be a separate adhesive applied to the peripheral border of patch 1144 and/or to the peripheral flange 1125 of window frame 1116 as a step in the ported stabilization method.
- the adhesive used to secure the patch 1144 to the window frame 1116 can be placed over a release element applied to the window frame 1116 to facilitate subsequent removal of the cohesive mass from the window structure as explained above and further below.
- the unifying material used to form the cohesive mass can be used as the adhesive 1143 for securing the patch 1144 to the window frame 1116 when applied over a release element.
- the adhesive 1143 is applied directly to the peripheral flange 1125 without a release element, it is preferable that the adhesive be removable from the peripheral flange so that the flange is left without any significant damage.
- the patch 1144 can be removably secured to the window frame 1116 using various types of mechanical securing devices as described above and further below.
- the window frame itself can serve as a securing device for the patch as described below for window frame 1216 .
- FIG. 29 depicts an example of a mechanical securing device 1149 for removably securing the patch 1144 to the window frame 1116 to cover the opening 1142 .
- the securing device 1149 which may be used as an alternative or in addition to the adhesive 1143 , comprises a plurality of securing members 1150 , i.e. top, bottom, left and right securing members 1150 , corresponding respectively to the top, bottom, left and right peripheral flange sections of peripheral flange 1125 .
- Each securing member 1150 comprises a block or wedge for being removably secured to the window frame 1116 in a position to hold the peripheral border of patch 1144 against the peripheral flange 1125 in overlapping relation.
- Each securing member 1150 has a first face or surface 1151 for being placed in overlapping engagement or abutment with the peripheral border of patch 1144 disposed over peripheral flange 1125 , and a second face or surface 1152 for being placed in overlapping engagement or abutment with the corresponding peripheral side wall section of peripheral side wall 1127 .
- the securing members 1150 are of appropriate length for the securing device 1149 to extend along the entire periphery of flange 1125 and patch 1144 so that the peripheral border of the patch 1144 is held against the flange 1125 continuously along the entire periphery of the patch.
- the securing device 1149 can comprise a single securing member or any suitable plurality of securing members.
- the first and second faces 1151 and 1152 may be planar for respective abutment with the corresponding planar surfaces of the peripheral border of patch 1144 and the peripheral side wall sections of peripheral side wall 1127 .
- the one or more securing members 1150 may be of any suitable geometric configuration in cross-section including a square cross-sectional configuration as shown for securing members 1150 or a rectangular cross-sectional configuration.
- the one or more securing members 1150 can be made of a lightweight spongy material or of any other suitable material.
- the one or more securing members 1150 can be removably secured or held in place on the window frame 1116 in various ways including adhesively, mechanically via mechanical securing elements, and/or a friction fit with the window frame 1116 .
- the securing device 1149 can be removably secured to the window frame 1116 from the interior side of the window structure 1112 .
- the second faces 1152 of securing members 1150 are releasably adhesively secured to the peripheral side wall 1127 .
- the securing device 1149 fits snugly inside of the peripheral side wall 1127 for a friction fit with the window frame 1116 , and the snug fit may be enhanced due to the compressibility of the spongy material from which the securing members 1150 are formed.
- the first faces 1151 of the securing members 1150 could also be adhesively secured to the peripheral border of the patch 1144 .
- the adhesive used to secure the securing device 1149 to the window frame 1116 , and optionally to the patch 1144 can be the same as the adhesive 1143 .
- the one or more securing members 1150 may be self-securing in that the second faces 1152 , and/or any other appropriate faces or surfaces of the securing members, can be provided with an adhesive backing which may be covered by a removable cover sheet that protects the adhesive backing prior to use.
- the one or more securing members 1150 can be provided without an adhesive backing, in which case the adhesive can be a separate adhesive applied to the appropriate faces or surfaces of the one or more securing members 1150 , to the window frame 1116 and/or to the peripheral border of the patch 1144 as a step in the ported stabilization method. If necessary, the adhesive used to secure the securing device 1149 to the window frame 1116 can be placed over a release element applied to the window frame 1116 as explained above and further below.
- the unifying material used to form the cohesive mass can be used as the adhesive for securing the securing device 1149 to the window frame 1116 when placed over a release element.
- the one or more securing members 1150 have a depth less than the inside depth of the window frame 1116 and its circumscribed opening 1142 such that the peripheral side wall 127 is not completely covered by the securing device 1149 when the securing device 1149 is removably secured in place on the window frame 1116 with the first faces 1151 in abutment with the peripheral border of patch 1144 which is held by the securing device 1149 in abutment with the peripheral flange 1125 .
- the one or more securing members 1150 have a width less than or close in size to the width of the peripheral flange 1125 , as shown in FIG. 29 , to avoid or minimize protrusion of the securing device 1149 inwardly beyond the flange 1125 into overlap with the exposed surface area of the patch 1144 .
- the patch 1144 can be releasably secured to the window structure 1112 at various locations on the window structure 1112 .
- the patch 1144 can be secured to the window structure 1112 externally along the exterior side or the interior side of the window structure 1112 .
- the patch 1144 can be secured to the window structure 1112 internally along the depth of the window frame 1116 as is the case for patch 1144 . Internal securement of the patch 1144 to the window structure 1112 may provide a better attachment and may be preferable to an external attachment.
- the patch 1144 can be internally secured at various locations along the depth of the window frame 1116 , but more preferably, the patch should be secured about mid-way along the depth of the window frame. For example, in a window frame having a total depth of four inches, it is desirable for the patch to be secured along the total depth about two inches inwardly of either the exterior side or the interior side of the window structure.
- FIG. 30 illustrates a release element 1145 applied to the entire portion of peripheral side wall 1127 that is not covered by the securing device 1149 and applied to all or part of the peripheral frame member 1117 .
- the release element 1145 can include any of the various types of release elements described hereinabove, and the release element 1145 may be simple masking tape or painter's tape.
- the release element 1145 is applied to the entire uncovered portions of the top, bottom, left and right peripheral side wall sections of peripheral side wall 1127 . In the arrangement depicted in FIG. 30 , the release element 1145 is also applied to a part, but not all, of the peripheral frame member 1117 .
- the release element 1145 is shown by way of example as being applied to an inner margin of the peripheral frame member 1117 in continuity with the release element 1145 applied to the peripheral side wall 1127 , leaving an outer margin of the peripheral frame member 1117 uncovered by the release element 1145 .
- the release element 1145 can be applied so as to cover both the inner and outer margins of the peripheral frame member 1117 or any other portion of or around window structure 1112 , and/or the building or structure in which the window structure 1112 is located, that it is desired to protect from the application of unifying material.
- the release element 1145 can be applied to the window frame 1116 before the patch 1144 and securing device 1149 are secured to the window frame 1116 , and the adhesive used to secure the patch 1144 and/or the securing device 1149 to the window frame 1116 may be applied over the release element 1145 .
- the unifying material and/or any adhesive that would normally form a permanent or essentially permanent bond and be difficult or impossible to cleanly remove can be used as the adhesive to secure the patch 1144 and/or the securing device 1149 on the window frame 1116 when applied over the release element 1145 .
- the unifying material and/or permanent adhesive can form a permanent or essentially permanent bond with the release element 1145 , which can be released or removed from the window structure 1112 without any substantial damage to the window structure.
- a barrier or shield device 1166 for shielding a segment of the exposed surface area of patch 1144 from the application of unifying material is shown in FIG. 30 .
- the shield device 1166 includes a shield body 1167 of hollow construction having a first or abutment end 1168 for being placed in contact or abutment with the exposed surface area of patch 1144 along the side of patch 1144 that is to be covered with unifying material.
- the abutment end 1168 is placed in contact with an interior surface of patch 1144 from the interior side of the window structure 1112 .
- the abutment end 1168 is open into the interior of the shield body 1167 and includes a perimeter edge that is disposed in a plane so as to allow placement of the perimeter edge in close continuous contact with the surface of patch 1144 .
- the perimeter edge is circular due to the shield body 1167 having a cylindrical configuration.
- the shield body 1167 can have various geometric configurations of uniform or non-uniform cross-section and that the perimeter edge of the abutment end 1168 can have various non-circular configurations.
- the perimeter edge of the abutment end 1168 is preferably of a size to fit entirely within the exposed surface area of patch 1144 so that the abutment end 1168 , and the segment of the patch covered by the abutment end, are circumscribed or surrounded by a portion of the exposed surface area of patch 1144 .
- a second end 1169 of the shield body 1167 is also open into the interior of the shield body, and the shield device 1166 may include a lid or cover 1172 for closing off the end 1169 .
- the lid 1172 may be provided with a handle 1174 for grasping.
- the lid 1172 may be removable from the shield body 1167 to expose the interior thereof, and the shield device 1166 can be provided with any suitable retention mechanism (not shown) for releasably retaining, securing or locking the lid 1172 on the end 1169 of the shield body 1167 and allowing the lid 1172 to be selectively removed from the shield body 1167 .
- the lid 1172 can be simple masking or painter's tape or a release element.
- the lid 1172 can be removably attached to the shield body 1167 in a manner permitting the shield device 1166 , including the shield body 1167 and the attached lid 1172 , to be carried and manipulated as a single unit via handle 1174 .
- the lid 1172 can be made of transparent, translucent or optically clear material so that the lid does not have to be removable from the end 1169 in order to expose the interior of the shield body 1167 . Where the lid 1172 is transparent, translucent or clear, the interior of the shield body 1167 is exposed due to the visibility and/or light transmission provided through the lid.
- the lid 1172 is made of transparent, translucent or clear material and is intended to remain in place with the shield body 1167 as part of the ported stabilized window structure
- the lid 1172 can be provided with a handle 1174 that is removable from the lid. It should be appreciated, however, that the lid of the shield device need not be provided with a handle.
- the perimeter edge of the abutment end 1168 of the shield device 1166 can be manually held in place against the surface of patch 1144 by pressing the abutment end 1168 against the patch 1144 using handle 1174 to manipulate the shield device 1166 .
- any suitable type of restraining device including adhesives and/or mechanical devices, could be provided for holding the perimeter edge of abutment end 1168 in contact with the surface of patch 1144 .
- FIG. 30 depicts the abutment end 1168 placed against the exposed surface area of patch 1144 so that the shield body 1167 is centered or substantially centered on the exposed surface area and within the opening 1142 . It should be appreciated, however, that the abutment end 1168 can be placed in contact with the exposed surface area of patch 1144 at various locations including non-centered locations.
- the shield body 1167 extends from the patch 1144 along the inside depth of the window frame 1116 toward the interior side of the window structure 1112 .
- the opening 1142 presents an empty or vacant portion around the shield body 1167 for receiving unifying material applied to a desired depth over the patch 1144 .
- the length of the shield body 1167 is the same as or slightly greater than the desired depth for the unifying material.
- FIG. 31 illustrates a unifying material 1120 applied over the patch 1144 around the shield body 1167 to fill or substantially fill the vacant space remaining in the opening 1142 .
- the unifying material 1120 is supplied to the vacant space from the interior side of the window structure 1112 .
- the unifying material 1120 is applied over the patch 1144 to the desired depth within the boundary of the peripheral side wall 1127 .
- FIG. 31 depicts an arrangement where the unifying material 1120 is applied to a depth where the unifying material 1120 comes close to but does not quite reach the level of the peripheral frame member 1117 along the interior side of window structure 1112 .
- the second end 1169 of the shield body 1167 and the lid 1172 protrude beyond the depth of the unifying material 1120 , while a substantial portion of the length of the shield body 1167 is embedded in and surrounded by the unifying material 1120 .
- the unifying material 1120 is preferably a polymeric foam applied in fluidic form by spraying as described hereinabove.
- the ability for the unifying material 1120 to be applied by spraying is advantageous for the reasons previously discussed above as well as for the fact that the devices or systems used for spray-on application of the unifying material 1120 can be self-propelled or self-powered without the need for electrical power or any other extraneous source of power.
- the unifying material 1120 is applied to the vacant space around the shield device 1166 as a layer or body 1121 of the unifying material 1120 which expands in three dimensions.
- the abutment end 1168 of the shield device 1166 can be manually held in place against the patch 1144 and, since the unifying material 1120 begins to set, harden or solidify quickly after application, the shield body 1167 may be held in place by the unifying material itself soon after the application of the unifying material has begun.
- the release element 1145 prevents splatters or overspray of the unifying material from bonding with surfaces of or around the window structure that it is desired to protect.
- the lid 1172 prevents the entry of unifying material into the interior of the shield body 1167 .
- the shielded segment of the patch 1144 that is covered by the abutment end 1168 remains free or essentially free of unifying material 1120 so as to retain its transparency, translucence or clarity for visualization and/or light transmission therethrough.
- an integral cohesive mass 1124 is formed including the body 1121 of unifying material 1120 and the patch 1144 , the release element 1145 , the securing device 1149 and the shield body 1167 which are all bonded to the body of unifying material with a permanent or essentially permanent bond.
- the window structure 1112 is stabilized due to the presence of cohesive mass 1124 filling the previously empty opening, and the cohesive mass 1124 may also stabilize the window structure by providing a seal between the exterior and interior sides of the window structure.
- Removal of the lid 1172 exposes the open end 1169 and the interior of the shield body 1167 .
- the interior of the shield body 1167 forms a passage or channel 1176 through the entire depth of the body 1121 of unifying material, the passage 1176 being closed along the exterior side of the window structure 1112 by the patch 1144 .
- the shielded segment 1175 of the exposed surface area of the patch 1144 that is maintained free or essentially free of the unifying material 1120 is in communication or alignment with the passage 1176 .
- the open end 1169 of the shield body 1167 is disposed along the interior side of the window structure 1112 and establishes communication with the passage 1176 .
- the shielded segment 1175 and the passage 1176 form a port 1177 in the cohesive mass 1124 for visualization and/or light transmission therethrough.
- the end 1169 can be provided with a transparent, translucent or clear lid or cover that can remain in place as part of the port 1177 .
- the cohesive mass 1124 can remain in place for any desired length of time. Where the window structure originally had glass installed in the opening, the cohesive mass can remain in place until replacement glass can be installed in the window structure. Where glass had not yet been installed in the window structure, the cohesive mass can remain in place until glass is ready to be installed.
- the ability for light to be transmitted through the port 1177 enables outdoor light to be transmitted from the exterior side to the interior side of the ported stabilized window structure 1112 , which is especially beneficial in situations where utility power is lost or not available in the building or other structure in which the window structure 1112 is located.
- the capability for visualization through the port 1177 provides security for the occupants of a building or other structure in which the window structure 1112 is located by providing a means for occupants to assess external conditions.
- the cohesive mass 1124 can be removed from the window structure 1112 in any of the ways described hereinabove.
- the cohesive mass 1124 including the body 1121 of unifying material 1120 , the patch 1144 , the release element 1145 , the securing device 1149 and the shield body 1167 , may be removed as a single integral or monolithic piece.
- the lid 1172 of the shield device 1166 can be replaced on the shield body 1167 and secured in position thereon so that the handle 1174 can be used as a grasping member to facilitate removal of the cohesive mass 1124 as explained above for the removal of cohesive masses using grasping members, If the lid 1172 is designed to remain on the shield body 1167 as part of the ported stabilized window structure and has a handle that is removable therefrom, the handle can be reattached to the lid and secured thereto for use as a grasping member to facilitate removal of the cohesive mass 1124 .
- the cohesive mass 1124 can be provided with any of the grasping members described hereinabove.
- the method for ported stabilization of a window structure can be carried out using a system or kit for ported stabilization of a window structure.
- the system or kit can provide the components for ported stabilization of a window structure including a first transparent, translucent or clear patch or a quantity of material from which the patch can be cut to size and shape, a securing device, a release element, a shield device, and a supply of the unifying material.
- the kit or system may also include a second transparent, translucent or clear patch, or a quantity of material from which a second patch can be cut to size and shape, for being placed over the body of unifying material along the side opposite the first patch to become part of the cohesive mass as explained further below for window structure 1412 .
- FIGS. 33-36 illustrate an alternative method of ported stabilization of a window structure to obtain a ported stabilized window structure, which is illustrated in FIG. 36 .
- Window structure 1212 illustrated in FIG. 33 differs from window structure 1112 in that the peripheral side wall 1227 of window structure 1212 includes a track 1258 for receiving the peripheral edge of a single glass pane or the peripheral edge of an array of glass panes that would normally be mounted in the opening 1242 circumscribed by the window frame 1216 .
- the opening 1242 circumscribed by window frame 1216 is devoid of glass, however, such that the window structure 1212 depicted in FIG. 33 is unstable.
- the track 1258 may be similar to the track 958 and may constitute a groove formed in or on the peripheral side wall 1227 of window frame 1216 .
- the track 1258 includes a groove that extends along the top, bottom, left and right peripheral side wall sections of peripheral side wall 1227 .
- the location of the track 1258 on the peripheral side wall 1227 is depicted by way of example as being about midway between the peripheral frame member 1217 along the interior side of the window structure and an outer edge 1231 of the peripheral side wall located along the exterior side of the window structure.
- the opening 1242 circumscribed by window frame 1216 thusly has an inside depth between the track 1258 and the peripheral frame member 1217 .
- a transparent, translucent or clear patch 1244 is releasably secured on the window frame 1216 to cover the opening 1242 by releasable engagement of the peripheral edge of the patch 1244 in the track 1258 .
- the patch 1244 is best seen in FIGS. 33 and 34 and is similar to the patch 1144 .
- the patch 1244 has a size and configuration for the peripheral edge of the patch to be releasably captured in the track 1258 as shown in FIG. 34 such that the window frame 1216 itself serves as the securing device for the patch. Engagement of the peripheral edge of the patch 1244 in the track 1258 can be facilitated by providing the patch 1244 with the capability to resiliently flex or bend.
- FIG. 35 depicts a release element 1245 applied to the inner margin of the peripheral frame member 1217 and to the peripheral side wall 1227 , seen in FIGS. 33 and 34 , between the patch 1244 and the peripheral frame member 1217 .
- the release element 1245 is similar to the release element 1145 and, as described for release element 1145 , may be applied to other surfaces of or around the window structure 1112 .
- FIG. 35 also illustrates an alternative shield device 1266 that is designed to be removable from the body of unifying material and does not form part of the ported stabilized window structure.
- the shield device 1266 includes a shield body 1267 that may be similar to shield body 1167 , but the exterior surface of the shield body 1267 may be coated with or made of a material to prevent it from bonding to the unifying material.
- the shield body 1267 may be removable from the body of unifying material by timing its removal to occur after the unifying material has hardened sufficiently to hold its shape but before the unifying material has had a chance to form a permanent bond with the shield body.
- the shield body 1267 could be removed by cutting it out of the cohesive mass after the body of unifying material has solidified.
- the shield body 1267 is of solid construction but could be hollow as described for shield body 1167 .
- the abutment end for shield body 1267 which is not visible in FIG. 35 due to the unifying material 1220 being applied around the shield body 1267 , thusly includes a solid planar surface for being placed in close contact with the surface of patch 1244 .
- the second end 1269 of the shield body 1267 is defined by a solid surface having a handle 1274 attached thereto.
- the shield body 1267 also differs from the shield body 1167 in that the shield body 1267 has a square cross sectional configuration between its ends 1268 and 1269 .
- the abutment end of the shield body 1267 is placed in contact with the exposed surface area of patch 1244 from the interior side of the window structure 1212 to cover or shield a segment of the exposed surface area as described above for window structure 1112 .
- the opening 1242 circumscribed by the window frame 1116 presents a vacant space around the shield body 1267 as described above for the window structure 1112 .
- the unifying material 1220 is supplied to the vacant space over the patch 1244 to a desired depth within the boundary of the peripheral side wall 1227 as described above for window structure 1112 .
- FIG. 35 shows a body 1221 of the unifying material 1220 filling the space around the shield body 1267 to a depth about level with the peripheral frame member 1217 .
- the shield body 1267 is removed from the body of unifying material using the handle 1274 to pull the shield body 1267 away from the patch 1244 and the window structure 1212 . As shown in FIG.
- removal of the shield body 1267 leaves or exposes a passage 1276 through the entire depth of the body 1221 of unifying material 1220 in the place vacated by the shield body.
- the passage 1276 is aligned or in communication with the shielded segment 1275 of the patch 1244 and is closed by the patch 1244 along the exterior side of the window structure 1212 .
- the shielded segment 1275 of patch 1244 and the passage 1276 in the body 1221 of unifying material 1220 form a port 1277 in the cohesive mass 1224 of the ported stabilized window structure 1212 to provide light transmission and/or visualization between the exterior and interior sides of the window structure.
- the shield bodies protect the shielded segment of the patch from the application of unifying material thereon and also control formation of the passage in the body of unifying material.
- the shield device can be designed to protect the shielded segment of the patch from the application of unifying material without controlling formation of the passage in the body of unifying material.
- the shield device can be any removable mask, including a material, substance or coating, disposed on the shielded segment to prevent the shielded segment from bonding with the unifying material. Formation of the passage in the body of unifying material can be controlled by the user controlling the pattern of application for the unifying material or by the user removing a section of the body of unifying material.
- FIG. 37 illustrates an example where a patch 1344 is secured to a window frame 1316 of window structure 1312 to cover opening 1342 as previously described for window structure 1212 .
- the shield device 1366 used for ported stabilization of window structure 1312 includes a removable mask 1378 that is removably secured on the shielded segment of the exposed surface area of patch 1344 that is intended to be maintained free or substantially free of the unifying material.
- the mask 1378 may be the same or similar to any of the release elements described hereinabove.
- the mask 1378 serves as a barrier to protect the shielded segment from the application of unifying material, while unifying material applied over the mask may be permitted to permanently or substantially permanently bond to the mask.
- the unifying material may then be applied by the user to the vacant space around the mask 1378 as a body of unifying material of desired depth, while avoiding application of the unifying material over the mask, so that a passage is formed in the body of unifying material over the mask.
- the mask 1378 can then be removed from the patch 1344 , such as by peeling the mask away from the patch, to reveal or expose the shielded segment of the patch 1344 and form a port in the cohesive mass. Any overspray of the unifying material on the mask 1378 is removed along with the mask.
- the ported stabilized window structure obtained by this procedure will be like that depicted in FIG. 38 , except that the sides of the passage 1376 formed in the body of unifying material 1321 are likely to be more irregular.
- FIG. 38 depicts a modification of the ported stabilization described for the window structure 1312 in that the unifying material 1320 is applied around and over the mask 1378 without attempting to control the pattern of application of the unifying material to form a passage in the body 1321 of unifying material 1320 .
- the unifying material 1320 applied over the mask 1378 is allowed to bond to the mask 1378 .
- a section 1380 of the body of unifying material over the mask 1378 is removed, and the mask is removed therewith, to form a port 1377 in the cohesive mass 1324 .
- the section 1380 can be cut out of the body of unifying material that remains as part of the cohesive mass 1324 and can be removed as one or more pieces. Removal of section 1380 forms the passage 1376 in the body of unifying material and removal of the mask 1378 exposes the shielded segment of the patch that the mask 1378 maintained free or substantially free of the unifying material.
- FIG. 39 illustrates a modification to ported stabilization of a window structure that can be applied to any of the methods of ported stabilization described above.
- FIG. 39 shows a window structure 1412 in the course of being stabilized in a manner similar to that described for window structure 1112 .
- FIG. 39 shows the body 1421 of unifying material 1420 applied over the patch 1445 to a depth that is even or flush, or substantially even or flush, with the peripheral frame member 1417 .
- the end 1469 of the shield body 1467 is also even or flush, or substantially even or flush, with the peripheral frame member 1417 .
- the patch 1445 to which the unifying material 1420 has been applied is a first patch, and the modification represented by FIG.
- the patch 1482 may be similar to the patch 1445 and may have a size and configuration to cover the end 1469 of the shield body 1467 and the entire or substantially entire surface of body 1421 .
- the patch 1482 can have a size and configuration in order for a peripheral edge or border of the patch 1482 to be releasably secured in overlapping relation with the peripheral frame member 1417 .
- the patch 1482 can be placed in contact with the body 1421 of unifying material 1420 while the unifying material is still in an adhesive state so that the patch 1482 will bond permanently or essentially permanently to the body of unifying material and become part of the cohesive mass 1424 .
- the patch 1482 may thusly close off the open end 1469 of the shield body 1467 and may thusly comprise part of the port 1477 , with the patch 1482 permitting visualization and/or light transmission therethrough.
- the present invention may be used to stabilize and/or to remove glass or panes from windows, walls, doors or any other architectural component in buildings, vehicles and any other fabrications or constructions.
- the present invention may be used on planar and non-planar panes of various types.
- a shattered, broken or cracked window pane is bonded with a layer of unifying material into one or more cohesive, integral masses which can be controllably removed from a window frame as one or more integral and unitary pieces.
- the layer of unifying material quickly bonds or adheres to the window pane, such that the window pane is stabilized and may be removed shortly after the layer of unifying material is applied.
- the relatively quick cure time for the unifying material makes the present invention particularly well suited for stabilizing and/or removing window panes in time critical situations. Holes, openings or voids in window panes can be covered and sealed in accordance with the present invention, with or without the use of a patch. However, a patch may be useful for closing off and sealing relatively large holes which would be difficult to fill with the unifying material alone, as in the case of window structures in which all or substantially all of the glass is missing therefrom.
- the layer of unifying material may be pre-formed or may be formed in situ as a result of applying the unifying material to the window structure. The layer of unifying material is resistant to environmental elements and, if desired, may be safely left in place for some time after application to the window structure. Where adhesives are utilized in accordance with the present invention, the unifying material can be used as the adhesive.
- Removal of a window pane or glass in accordance with the present invention ensures that fragments of the window pane or glass are removed as part of a cohesive mass and are not separated or scattered during removal and disposal. Accordingly, the need to collect and dispose of any scattered pieces of the window pane is eliminated. Even where the cohesive mass is removed as a plurality of relatively large pieces, the pieces are not injurious due to their large size and the protection provided by the layer of unifying material.
- Shattered window panes can be removed as a plurality of cohesive masses using pre-existing cracks in the panes to define or demarcate the cohesive masses. A shattered window pane can be handled as if it were one or a few relatively large, solid pieces and may be handled as if it was not shattered.
- the present invention also allows shards to be removed from a track of a window structure as part of a cohesive mass, thereby avoiding the tedious and dangerous process of picking the shards out of the track individually.
- the stabilized window structures and methods of the present invention save time, money, labor and materials, and provide enhanced versatility for users to self-customize for particular applications.
- the present invention fulfills many previously unmet needs of glass professionals, do-it-yourself users, property owners, builders, construction workers and fire, police and medical personnel.
Abstract
A ported stabilized window structure includes a light transmissible patch secured over an opening of the window structure, a body of unifying material bonded to the patch to form a cohesive mass, and a port in the cohesive mass providing visualization and/or light transmission. The port is formed by a passage in the body of unifying material and by a segment of the patch that is maintained free of the unifying material. A system for ported stabilization of a window structure provides the components used to obtain a ported stabilized window structure. A method for ported stabilization of a window structure involves covering an opening of the window structure with a light transmissible patch, shielding a segment of the patch, applying a body of unifying material to the patch around the shielded segment to form a passage in the body of unifying material, and providing visualization and/or light transmission via a port formed by the passage and by the shielded segment.
Description
- This application is a continuation-in-part of prior U.S. patent application Ser. No. 10/059,272 filed Jan. 31, 2002, which is a continuation-in-part of U.S. patent application Ser. No. 09/920,750 filed Aug. 3, 2001, the entire disclosures of which are incorporated herein by reference.
- 1. Field of the Invention
- The present invention relates to stabilizing window structures, in which all of the glass is missing from an opening circumscribed by a frame of the window structure, by filling the empty opening.
- 2. Brief Discussion of the Related Art
- Window structures are found in many various types of fabrications or constructions including buildings and vehicles, such as automobiles, buses, trucks, trains, planes, boats, ships and the like. Conventional window structures include one or more transparent window panes, typically made of glass or other breakable material, and a frame, which may be formed by a separate frame member or by a portion of the fabrication or construction itself, supporting the one or more panes. The panes of most window structures are susceptible to damage from many various sources; and, consequently, shattering, breaking or cracking of window panes is not uncommon. A window structure in which a pane is shattered, broken or cracked is unstable or destabilized since the damaged pane is prone to collapse or cave in, loose fragments or shards may fall or come loose from the pane, and the barrier or seal normally provided by the unbroken pane between the exterior and interior sides thereof is compromised. Fragments that actually fall or come loose from the pane present the risks of injury to individuals and damage to objects located exteriorly and/or interiorly of the window structure, particularly since the panes of window structures are most commonly made of glass. Where the shattered pane is in a window structure located at an elevated level or floor, pieces of the pane that fall exteriorly present a grave risk of harm to people and objects below, especially in urban areas. Compromise of the barrier or seal normally provided by the unbroken window pane presents the risk that the interior side will be undesirably exposed to environmental elements via cracks, fractures, fissures and/or holes in the pane. Accordingly, there is often a great sense of urgency to remove and replace shattered window panes immediately to eliminate the hazards presented when they are left in place for some time. In most cases, however, shattered window panes cannot be replaced immediately after they are broken; and, therefore, they must typically remain in place for some time while presenting an ongoing risk of harm until replacement can be accomplished. Although plywood is sometimes used to temporarily cover window structures in which the panes are damaged, plywood is heavy, typically fifty pounds for a single sheet, cumbersome, expensive, requires carpentry skill to install and is inconvenient to use. More specifically, plywood must typically be cut to fit the particular window and must be drilled and screwed into place so that the window frame and/or the fabrication or construction in which the window structure is installed may be damaged by the fasteners needed to secure the plywood in place. The drawbacks associated with the use of plywood are even greater when numerous damaged window structures are involved and/or when the damaged window structure is not easily accessible, such as when the damaged window structure is at an elevated level or floor.
- The instability presented by a window structure having a shattered window pane makes safe removal of the pane difficult to accomplish. One common approach used by professional glass companies to remove shattered glass panes of window structures involves banging or smashing the panes with a hammer or other implement so that they fall to the exterior of the fabrications or constructions in which the window structures are installed. This “knock-out” approach tends to scatter glass fragments, and even tempered or laminated glass can produce many small fragments. When the glass fragments impact the ground or other objects, they may shatter even further and may damage the objects impacted thereby. Afterwards, significant additional labor is required for clean-up to collect and remove the glass fragments. Even when great care is exercised, however, potentially injurious glass fragments may be left behind due to the great difficulty associated with collecting small and/or widely scattered glass fragments. A further problem associated with the “knock-out” approach is that the glass usually splinters along the window frame such that shards are created along a track of the window structure, and these shards are dangerous and tedious to remove as described further below. Where the window structure is located at an elevated level or floor, the “knock-out” approach may be unacceptably dangerous. Another approach is to remove the shattered glass carefully by hand, piece by piece. The latter approach is dangerous, very time consuming, and messy, requiring the glass remover to work slowly and cautiously. Moreover, removing the glass pieces individually affords little control over preventing the shattered window pane from collapsing or caving in as the pieces are removed.
- A further approach to dealing with shattered glass panes of window structures attempts to stabilize the window structures prior to removal of the panes. With this approach, the shattered glass panes are taped with adhesive tape to hold the panes together prior to removing them from the fabrications or constructions in which the window structures are installed. In order to keep a shattered glass pane intact, the adhesive tape must typically be applied to the entire or substantially the entire surface of the shattered glass pane. Applying the adhesive tape to the entire or substantially the entire surface of the shattered glass pane is laborious and time consuming, particularly where the glass pane is large. In addition, the tape must be pressed against the shattered pane in order to adhere the tape thereto, and such pressure or force can cause the pane to cave in or collapse and/or fragments to come loose therefrom. Even when the adhesive tape is carefully applied to the entire surface of the glass pane, fragments may still become detached from the tape and fall when the shattered pane is manipulated during removal.
- A window structure is also unstable or destabilized where all or substantially all of the glass is missing therefrom. The barrier or seal normally provided by the unbroken glass is entirely lacking or is compromised, resulting in a great risk that the interior of the fabrication or construction and/or objects disposed therein will be damaged by environmental elements. In addition, the absence of all or substantially all of the glass from a window structure may present an opening large enough for a person, especially a child, to accidentally fall through. Plywood has been used on window structures to cover large holes until replacement panes can be installed, but has various drawbacks as noted above. A further instability arises in window structures in which an insubstantial amount of the window pane remains as shards disposed in a track formed in or on one or more mullions and/or in or on the frame of the window structure. These shards protrude from the mullions and/or window frame and are potentially very injurious due to their exposed points and/or sharp edges. Moreover, the shards are difficult and time consuming to remove from the track, being typically removed individually by hand.
- In vehicles, the panes of window structures, such as windshields, sliding windows, fixed windows and movable windows, are oftentimes shattered, cracked or broken due to impacts, such as those incurred during vehicular collisions or crashes. Plastic sheeting is sometimes taped over shattered vehicle windows to provide a barrier between the exterior and the interior of the vehicle; however, the use of tape is disadvantageous for requiring that pressure or force be applied to the window as discussed above. Shattered window panes in vehicles thusly present the same problems discussed above and also present additional problems in emergency situations where one or more passengers are trapped inside a vehicle. Where one or more passengers are trapped inside a vehicle, such as when the doors of the vehicle cannot be opened, it is often necessary to quickly remove a window pane to access the one or more passengers. In the case of automobiles, for example, it is often necessary to quickly remove a shattered front and/or rear windshield in order to access one or more passengers trapped inside. Where one or more trapped passengers are injured and require medical attention, reducing the time required to remove a vehicle window pane to access the one or more passengers is of the essence.
- It is undesirable to remove broken window panes of vehicles by pushing the panes into the interior of the vehicles. The disadvantages of the latter approach are discussed above, and the latter approach is particularly undesirable where one or more passengers are trapped inside the vehicle, since the one or more passengers may be injured by fragments of the pane during and subsequent to entry of the fragments into the vehicle interior. An approach that has been used in emergency situations to remove shattered car windows involves applying adhesive tape to the exterior surface of a shattered window pane in order to enhance the integrity of the shattered window pane so that paramedics can pull it out of the car using handles created with the tape. As pointed out above, this procedure is usually time consuming and may cause the shattered window pane to cave in or collapse. The time that must be spent taping the shattered window pane represents time that an injured passenger goes untreated. In addition, caving or collapsing of the window pane into the vehicle interior may cause injury to the passengers therein.
- The use of polymeric materials applied to glass for removal by peeling has been proposed, as represented by U.S. Pat. No. 3,455,865 to Bolt et al, U.S. Pat. No. 3,486,918 to Motter, U.S. Pat. No. 4,636,543 to Helton, U.S. Pat. Nos. 5,020,288 and 5,107,643 to Swenson, U.S. Pat. No. 5,143,949 to Grogan et al, U.S. Pat. No. 5,281,436 to Swidler, and U.S. Pat. Nos. 5,186,978, 5,302,413, 5,362,786, 5,411,760 and 5,523,117 to Woodhall et al. U.S. Pat. No. 3,830,760 to Benngston and U.S. Pat. No. 4,596,725 to Kluth et al are illustrative of one-component and two-component polyurethanes. None of the aforementioned patents contemplates the use of a cohesive or unifying material to stabilize a window structure in which all or substantially all of the glass is missing therefrom, to form a shattered pane into a cohesive mass allowing safe removal of the shattered pane as one or more relatively large pieces, to safely remove glass shards from a track of a window structure, or to safely remove a shattered window pane in a plurality of separate sections, corresponding to a plurality of separate cohesive masses, using cracks in the window pane to define the separate cohesive masses. Also, none of the aforementioned patents considers using a pre-formed panel of lightweight compressible material over an unstable window structure to thereby impart stability to the window structure.
- From the above, it should be appreciated that there is a great need for stabilized window structures and methods of stabilizing window structures in which all or substantially all of the glass is missing therefrom. There is also a need for methods of removing shattered glass from window structures wherein shattered window panes can be controllably removed as part of a single cohesive mass or as part of a plurality of relatively large, cohesive or integral masses, with the plurality of cohesive masses being formed by separating a single cohesive mass into separately removable pieces or by forming separately removable cohesive masses using pre-existing cracks of the shattered pane to define the separately removable cohesive masses. An additional need exists for lightweight, inexpensive, and easy-to-install pre-formed panels which may be used advantageously instead of plywood to impart stability to unstable or destabilized window structures. The need further exists for methods of removing glass shards from a track of a window structure wherein the shards are removed as part of one or more cohesive masses. Stabilized window structures and methods of stabilizing and removing shattered glass from window structures are needed which do not apply significant pressure or force to the glass and which are safe, efficient, easy to use, economical, and applicable to various types and sizes of windows installed in various diverse fabrications or constructions.
- The present invention is generally characterized in a ported stabilized window structure wherein a window structure that is unstable due to the presence of an opening devoid of glass is stabilized by filling the opening with a cohesive mass having a port providing visualization and/or light transmission through the cohesive mass. The ported stabilized window structure includes a window structure having a frame circumscribing an opening devoid of glass, a transparent, translucent or clear patch covering the opening and presenting an exposed surface area within the opening, a body of unifying material bonded to the surface of the patch to form a cohesive mass, and a port in the cohesive mass for visualization and/or light transmission therethrough. The body of unifying material is disposed around a segment of the exposed surface area that is maintained free of the unifying material. The body of unifying material has a passage therethrough in communication or alignment with the patch segment that is maintained free of the unifying material. The port is formed by the passage and by the patch segment in communication with the passage. The patch may be releasably secured to the window structure in various ways including adhesively, mechanically using a separate securing device and/or using structure of the window structure as a securing device. The unifying material is preferably a polymeric foam applied to the surface of the patch in fluidic form and thereafter solidifying to form the cohesive mass. Since the polymeric foam unifying material forms a permanent or essentially permanent bond, the ported stabilized window structure can include a release element releasably secured on any surface area of or around the window structure that it is desired to protect from the application of the polymeric foam unifying material. The patch may be disposed along an exterior side of the window structure, and the body of unifying material may be disposed along the interior side of the window structure. The ported stabilized window structure may further include a hollow shield body bonded to the body of unifying material as part of the cohesive mass with an open end of the shield body disposed over the segment of the patch and the interior of the shield body defining the passage in the body of unifying material. The patch can be a first patch and the ported stabilized window structure may further comprise a second patch disposed over the body of unifying material such that the body of unifying material is sandwiched between the first and second patches.
- Another aspect of the present invention is generally characterized in a system for ported stabilization of a window structure having a window frame circumscribing an opening devoid of glass that renders the window structure unstable. The system includes a sheet of light transmissible material for being secured on the window structure to cover the opening and present an exposed surface area within the opening, a supply of a fluidic unifying material for being applied to the exposed surface area as a body of unifying material, and a shield device for being disposed on a segment of the exposed surface area of the sheet to shield the segment from application of the unifying material. The body of unifying material applied to the surface of the sheet solidifies after application to bond to the sheet to form a cohesive mass. The shield device maintains the segment of the exposed surface area of the sheet free from the application of the unifying material to form a port in the cohesive mass including the shielded segment and a passage in the body of unifying material to provide light transmission and/or visualization through the cohesive mass. The shield device may include a shield body of hollow construction for being bonded to the body of unifying material as part of the cohesive mass, with the interior of the shield body forming the passage in the body of unifying material. The shield device may include a shield body removable from the body of unifying material to form the passage in the body of unifying material in the place vacated by the shield body. The shield device may include a removable mask for being removably disposed in contact with the surface segment of the sheet that is to be shielded or maintained free of the unifying material for application of the unifying material around the mask to form the passage in the body of unifying material, the mask being removable from the sheet to reveal the shielded segment. The mask can be removable from the sheet with an attached section of the body of unifying material to reveal the shielded segment and form the passage in the body of unifying material in the place vacated by the removed section.
- An additional aspect of the present invention is generally characterized in a method for ported stabilization of a window structure that is unstable due to a window frame of the window structure circumscribing an opening devoid of glass. The method involves securing a light transmissible patch on the window structure to cover the opening and present an exposed surface area within the opening, shielding a segment of the exposed surface area, applying a body of unifying material of fluidic polymeric foam to the exposed surface area of the sheet around the shielded segment to form a passage in the body of unifying material in communication with the shielded segment, allowing the fluidic foam to solidify and form a cohesive mass including the body of unifying material and the sheet bonded thereto, and providing visualization and/or light transmission through the cohesive mass via a port formed by the passage and by the shielded segment of the sheet.
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FIG. 1 is a broken, front perspective view of a building including a window structure having a shattered pane and showing a layer of unifying material being applied to an exterior surface of the shattered pane. -
FIG. 2 is a broken, front perspective view of the building ofFIG. 1 subsequent to application of the layer of unifying material to the shattered pane to form the shattered pane into a cohesive mass. -
FIG. 3 is a broken cross-sectional view of the window structure taken along line 3-3 ofFIG. 2 . -
FIG. 4 is an enlarged, fragmentary cross-sectional view of the cohesive mass illustrating seepage of the unifying material into a crack of the shattered pane. -
FIG. 5 is a broken, front perspective view of the building ofFIG. 2 illustrating removal of the shattered pane with the cohesive mass. -
FIG. 6 is a broken cross-sectional view of a window structure illustrating an alternative layer of unifying material applied to a shattered pane of the window structure. -
FIG. 7 is a broken cross-sectional view of a window structure showing layers of unifying material applied to the exterior and interior surfaces, respectively, of a shattered pane of the window structure, with one of the layers including a plurality of sub-layers. -
FIG. 8 is a schematic view illustrating use of a two-component supply system in the present invention. -
FIG. 9 is a broken, front perspective view of a building including a window structure having a shattered pane with a hole therein and showing a first layer of unifying material being applied to the pane around the hole. -
FIG. 10 is a broken, front perspective view of the building ofFIG. 9 showing a patch applied over the hole and being adhered by the first layer of unifying material. -
FIG. 11 is a broken, front perspective view of the building ofFIG. 10 illustrating a second layer of unifying material being applied over the patch to seal the hole in the pane. -
FIG. 12 is a broken, front perspective view of an automobile having a shattered windshield to which a layer of unifying material has been applied to form a cohesive mass and illustrating the shattered windshield being manually held via handles attached to the cohesive mass. -
FIG. 13 is a broken, front perspective view of the automobile ofFIG. 12 illustrating removal of the shattered windshield with the cohesive mass. -
FIG. 14 is a broken, front perspective view of a building including a window structure having a window pane with pre-existing cracks dividing the window pane into a plurality of separate, disconnected window pane sections and showing grasping members attached directly to the window pane. -
FIG. 15 is a broken, front perspective view of the building ofFIG. 14 illustrating application of layers of unifying material to the window pane sections, respectively, to form a plurality of separate, discontinuous cohesive masses, respectively. -
FIG. 16 is a broken, front perspective view of the building ofFIG. 15 depicting removal of the cohesive masses separately from one another. -
FIG. 17 is a broken, front perspective view of a building including a window structure having a window frame circumscribing an opening entirely or substantially entirely devoid of glass. -
FIG. 18 is a broken, front perspective view of the building ofFIG. 17 showing a first patch member secured over a portion of the opening. -
FIG. 19 is a broken, front perspective view of the building ofFIG. 18 illustrating a second patch member secured over the remainder of the opening to form a patch covering the entire opening and depicting a layer of unifying material being applied over the patch. -
FIG. 20 is a broken, front perspective view of the building ofFIG. 19 subsequent to application of the layer of unifying material over the patch to form a cohesive mass therewith. -
FIG. 21 is a broken, front perspective view of a building including a window structure having a window frame circumscribing an opening entirely or substantially entirely devoid of glass and illustrating stabilization of the window structure via a pre-formed polymeric foam panel secured over the opening. -
FIG. 22 is a broken, front perspective view of a building including a window structure having a plurality of window panes mounted in tracks, respectively, of the window structure, with one of the window panes being shattered such that fragments protrude from the track of the shattered pane. -
FIG. 23 is a broken, enlarged perspective view of the window structure ofFIG. 22 showing the fragments disposed in the track. -
FIG. 24 is a broken, enlarged perspective view of the window structure ofFIG. 23 depicting a body of unifying material being applied to the fragments to form the fragments into a cohesive mass. -
FIG. 25 is a broken, enlarged perspective view of the window structure ofFIG. 24 illustrating removal of the fragments with the cohesive mass. -
FIG. 26 is a broken, front perspective view of a building depicting stabilization of a window structure utilizing a body of unifying material applied over a plurality of pre-formed polymeric foam patch members with the unifying material bridging a seam between adjacent patch members. -
FIG. 27 is a perspective view of a window frame of a window structure showing the window frame circumscribing an opening devoid of glass and showing a transparent or translucent patch for covering the opening. -
FIG. 28 is a perspective view of the window frame ofFIG. 27 showing the patch placed on the window frame to cover the opening. -
FIG. 29 is a perspective view of the window frame ofFIG. 28 showing a securing device holding the patch in place on the window frame. -
FIG. 30 is a perspective view of the window frame ofFIG. 29 illustrating a release element applied to the window frame and depicting a shield device over the patch. -
FIG. 31 is a perspective view of the window frame ofFIG. 30 showing a body of unifying material applied to the patch in the vacant space around the shield device to form a cohesive mass. -
FIG. 32 is a perspective view of the window frame ofFIG. 31 with a lid of the shield device removed to expose a port in the cohesive mass in a ported stabilized window structure. -
FIG. 33 is a perspective view of an alternative window frame of a window structure showing the window frame circumscribing an opening devoid of glass and showing a transparent or translucent patch for being placed in a track of the window frame to cover the opening. -
FIG. 34 is a perspective view of the window frame ofFIG. 33 depicting the patch placed in the track of the window frame to cover the opening. -
FIG. 35 is a perspective view of the window frame ofFIG. 34 illustrating a release element applied to the window frame, an alternative shield device disposed over the patch, and a body of unifying material applied to the patch in the vacant space around the alternative shield device to form a cohesive mass. -
FIG. 36 is a perspective view of the window frame ofFIG. 35 showing the shield device removed to expose a port in the cohesive mass in a ported stabilized window structure. -
FIG. 37 is a perspective view of a window structure having a window frame circumscribing an opening covered by a transparent or translucent patch and depicting an alternative shield device disposed on the patch. -
FIG. 38 is a perspective view of the window frame ofFIG. 37 showing a body of unifying material applied over the patch and the shield device to form a cohesive mass and depicting a section of the body of unifying material removed along with the shield device to expose a port in the cohesive mass. -
FIG. 39 is a perspective view depicting ported stabilization of a window structure involving placement of a second patch over the body of unifying material. - The present invention relates to the stabilization of window structures installed in fabrications or constructions such as buildings and vehicles. The present invention may be used on window structures of any type including one or more panes disposed in an opening circumscribed by a window frame. The opening and frame may form or be disposed in exterior or interior walls or doors of the fabrication or construction or may be free-standing, such as where the fabrications or constructions are showers, telephone booths, glass cubicles, tanks and the like. The window structure may include one or more tracks receiving a peripheral edge of the one or more window panes. The panes may be flat or planar or may have curved or other non-planar shapes or profiles. The window frame may be constructed separately from the fabrication or construction as a frame member including one or more parts, or may be formed integrally, unitarily with the fabrication or construction. As an example of the latter, the frame may be formed by any peripheral edge, border or surface circumscribing an opening in which one or more panes is/are installed or intended to be installed, and this edge, border or surface can be provided with or without a trim or finish. The one or more tracks may be formed by, on or in the window frame and/or the fabrication or construction, and typically includes a groove receiving the peripheral edge of the one or more window panes. The window structure may include one or more vertical and/or horizontal mullions dividing the opening into separate sections, each receiving a window pane. In the latter case, the mullions may include tracks receiving peripheral edges of the window panes. The tracks can be made as separate pieces, or can be formed integrally, unitarily with the window frame, the fabrication or construction and/or the mullions. Representative window structures include sash windows, casement windows, sliding windows, sliding glass doors, slidably or pivotally movable windows, non-movable windows, fixed windows, movable windows, protruding windows, recessed windows and the like in fabrications or constructions of any type including but not limited to houses, stores, office buildings, banks, car dealerships, schools, museums, showers, telephone booths, cubicles, decorative and functional partitions, doors, tanks, aquariums, cars, trucks, buses, trains, boats, ships, submarines, planes and spacecraft. Fabrications and constructions to which the present invention applies include commercial, residential, governmental and recreational fabrications or constructions. The one or more panes will typically be made of glass, but may be made of any brittle material susceptible to being shattered, broken or cracked. Accordingly, the term “glass” as used herein should be considered illustrative only and is intended to encompass any type of window pane material. In addition, as used herein, “glass” is intended to include various types of glass including treated plate glass, untreated glass, tempered glass, laminated glass, single pane glass, double pane glass, etc.
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FIG. 1 illustrates abuilding 10 having awindow structure 12 including aglass window pane 14 mounted in awindow frame 16. Thewindow pane 14 is planar and is disposed in an opening of thebuilding 10, with theframe 16 circumscribing the opening. Thewindow structure 12 is shown in an exterior wall of building 10, but may form or be located in any exterior or interior component of building 10. Thewindow pane 14 is shattered, broken or cracked, and has one or more cracks, fissures orfractures 18 therein, which may extend through the entire or less than the entire thickness ofwindow pane 14. Depending on the severity of damage, the one ormore cracks 18 may have broken thewindow pane 14 into individual fragments as shown byfragment 19. Thecracks circumscribing fragment 19 extend through the entire thickness ofpane 14 such thatfragment 19 is separated from and not attached to the surrounding glass.Fragment 19 has not yet fallen or otherwise become loose from the remainder of thewindow pane 14, but is at risk of falling or otherwise becoming loose from the remainder of the window pane so as to leave a hole therein, particularly if force or pressure is applied to the window pane. Even where the damage to thewindow pane 14 has produced cracks without individual fragments, the shatteredwindow pane 14 is nonetheless susceptible to collapsing or caving in due to its own weight and/or extraneous force or pressure thereon. Thewindow structure 12 thusly presents a great risk that fragments or pieces of thewindow pane 14 will fall away from the window structure. Where fragments or pieces of thewindow pane 14 fall to the exterior of building 10, people and/or objects in the vicinity thereof maybe injured, particularly where thewindow structure 12 is located at an elevated level or floor. Accordingly, the presence of shatteredpane 14 is particularly problematic in urban areas, as are typically characterized by tall or high-rise buildings and significant pedestrian activity. The one ormore cracks 18 also compromise the barrier or seal normally provided by thewindow structure 12 when thewindow pane 14 is unbroken. The one ormore cracks 18 permit communication between the exterior and the interior sides of thewindow structure 12 such that environmental elements may reach the building interior. In addition, people and/or objects in the building interior may suffer harm in the event that fragments or pieces ofwindow pane 14 fall into the interior of thebuilding 10. Accordingly, thewindow structure 12 shown inFIG. 1 may be considered unstable or destabilized due to compromise of the structural integrity and/or compromise of the barrier or seal normally provided when thewindow pane 14 is not shattered, cracked or broken. - In accordance with the present invention, the
window structure 12 is stabilized by applying a layer or body of cohesive orunifying material 20 to the shatteredwindow pane 14 to adhere thereto and form the shattered pane into a cohesive mass. Fig. I illustratesunifying material 20 comprising a polymeric foam being applied in fluidic form to the exterior surface of thewindow pane 14 overcracks 18. However, the unifying material may be applied to the exterior surface and/or the interior surface of thewindow pane 14 depending on the location of the window structure, the accessibility of the window structure, the extent of damage to the window pane and/or other factors. The unifyingmaterial 20 may be applied to thewindow pane 14 in any manner, but is preferably sprayed on the window pane as shown in Fig. I so that the force or pressure exerted on the window pane during the application process is minimized. In addition, the force or pressure on the window pane is insignificant due to the negligible weight and pressure exerted on the window pane by the unifying material during and after the application process. When theunifying material 20 is sprayed on thewindow pane 14 as shown inFIG. 1 , the force or pressure exerted on the window pane is minimal such that thefragment 19 does not become loose and the window pane does not collapse or cave in. Depending on the location and accessibility of thewindow structure 12, the unifyingmaterial 20 can be sprayed from a hand-heldspraying device 22 or from a remotely controlled spraying device mounted on an extendable pole or handle. - The unifying
material 20 is applied to thewindow pane 14 in alayer 21 in the procedure illustrated inFIGS. 2 and 3 . Preferably, thelayer 21 of unifyingmaterial 20 is applied to the entire or substantially the entire surface area of the window pane exterior surface and/or interior surface exposed byframe 16 and selected to receive the layer of unifying material. However, depending on the damage to the window pane, the layer of unifying material may be applied to only a cracked, broken or shattered section or sections of the window pane and may thusly be applied to only a selected portion or portions of the window pane exterior surface and/or interior surface corresponding to the cracked, broken or shattered section or sections. Thelayer 21 of unifying material may be applied to a desired thickness sufficient to structurally unite the shattered pane into a cohesive mass as explained further below. Typical thicknesses may be in the range of ⅛ inch to one inch thick or more, with layers of greater thickness typically being used on window panes of relatively greater thickness, weight and/or external size. In illustrative procedures, a layer of polymeric foam unifying material I to 6 inches thick was found sufficient for a shattered glass pane ⅜ inch thick, and a foam layer about ¾ inch thick worked well on a shatteredwindow pane 3/16 inch thick. The thickness oflayer 21 may be uniform or non-uniform. Depending on the width ofcracks 18, the fluidic unifying material may seep into or enter one or more of thecracks 18, and the unifying material may seep into one or more cracks the entire or less than the entire depth of the one or more cracks. Accordingly, the fluidic unifying material may seep into one ormore cracks 18 so that fragments or shards, such asfragment 19, ofpane 14 are embedded in the unifying material. -
FIGS. 2 and 3 are representative of a stabilized window structure andFIGS. 1-3 are representative of a stabilizing procedure wherein thelayer 21 of unifyingmaterial 20 is applied to substantially the entire surface area of the exterior surface ofwindow pane 14 exposed byframe 16.FIGS. 2 and 3 show thelayer 21 of unifyingmaterial 20 applied towindow pane 14 inside offrame 16 without any overlap of thelayer 21 of unifying material on theframe 16. In order to ensure that no unifying material is applied overframe 16, a small peripheral gap orborder 23 may be maintained during the application process between theframe 16 and the perimeter of thelayer 21 as shown inFIG. 3 . Avoiding overlap of theframe 16 by thelayer 21 of unifyingmaterial 20 ensures that the layer of unifying material does not bond or adhere to the frame, thereby facilitating removal of thewindow pane 14 from theframe 16 as described further below. It should be appreciated that thelayer 21 of unifyingmaterial 20 may overlap theframe 16 and, if needed, a suitable release element can be disposed overframe 16 between the frame and the unifying material to prevent or inhibit theunifying material 20 from bonding or adhering to theframe 16. The release element may include a chemical agent or composition and/or a physical or mechanical barrier. Suitable release elements are disclosed in applicant's prior U.S. patent application Ser. No. 09/362,890 filed Jul. 29, 1999, and now U.S. Pat. No. 6,289,642 B1, Ser. No. 09/878,214 filed Jun. 12, 2001, Ser. No. 09/880,774 filed Jun. 15, 2001 and Ser. No. 09/920,750 filed Aug. 3, 2001, the entire disclosures of which are incorporated herein by reference. Suitable release elements include, but are not limited to, silicone, hydrocarbons of relevant molecular weight, petroleum based release agents, alcohols, aliphatic hydrocarbons, aromatic hydrocarbons, halogenated solvents, glycol ethers, methyl ethyl ketones, xylene, d-limonene, phthalates, benzoates, releasable tape, polyurethane, and polyethylene film. Of course, it may be desirable that the release element not be disposed over a significant portion of theglass pane 14 so that the surface area ofpane 14 that is bonded to the unifying material may be maximized. - It is preferred that the
layer 21 cover eachcrack 18 in its entirety or substantially in its entirety.FIG. 2 illustrates thecracks 18 in their entireties covered bylayer 21. In some cases, however, such as where a crack meetsframe 16, it may not be feasible for thelayer 21 to cover the crack in its entirety, such as due to the need to maintain a peripheral gap between the frame and the perimeter of the layer. Accordingly, thelayer 21 should cover a substantial portion of the one ormore cracks 18 and, preferably, should cover as much as possible ofcracks 18. However, it should be appreciated that crack coverage may vary depending on the particular application presented during use. - Subsequent to being applied to the
window pane 14, thelayer 21 of polymericunifying material 20 reacts, cures, dries, sets, hardens, rigidifies or solidifies quickly to form the shatteredpane 14 into a cohesive, unified orintegral mass 24 as shown inFIGS. 2 and 3 . It should be appreciated that the use of any one term, or its derivative, from the set of terms including “reacts”, “cures”, “dries”, “sets”, “hardens”, “rigidifies” and “solidifies” and the like encompasses the entire set of terms and its derivatives. Thelayer 21 of polymericunifying material 20, when cured, is a solidified compressible material to which thewindow pane 14 including any individual fragments, such asfragment 19 and even the tiniest of fragments, are bonded or adhered. Although thelayer 21 of unifyingmaterial 20 is shown as being flat or smooth along its outer, exposed surface and as being of uniform thickness, the layer of unifying material may be non-flat or non-smooth and may be of non uniform thickness. Typically, the outer surface of polymericunifying material 20 will be covered with small bumps after curing. Where theunifying material 20 has entered acrack 18 as shown inFIG. 4 , a structural or mechanical bond is created at the crack when the unifying material solidifies. InFIG. 4 , thecrack 18 extends through the entire thickness ofwindow pane 14, and theunifying material 20 extends into thecrack 18 from the exterior surface to the interior surface ofwindow pane 14.FIG. 4 is thusly illustrative of theunifying material 20 extending the entire depth of the crack as well as the entire thickness ofpane 14. However, the crack depth and pane thickness to which the unifying material extends may vary in accordance with the crack width, the crack depth, the viscosity of the fluidic unifying material and/or other factors. The unifyingmaterial 20 is desirably very adhesive to ensure a strong bond with thewindow pane 14 so that thelayer 21 of polymericunifying material 20 is permanently or substantially permanently bonded, adhered or attached to the window pane. Accordingly, the window pane does not become detached from the layer of polymeric material when extraneous forces are applied to the cohesive mass during removal fromframe 16, during disposal and/or while the cohesive mass is allowed to remain in place inframe 16 prior to removal. The strong bond between the layer of unifying material and the window pane also allows the cohesive mass to be removed fromframe 16 by pulling as explained further below, although the cohesive mass can be removed by pulling and/or pushing as also explained further below. - The polymeric
unifying material 20 may include a polyurethane or any sprayable polymeric material that foams upon application to the window pane so that the polymeric material remains in place as it is applied.FIG. 3 illustrates the polymericunifying material 20 as a polymeric foam material. Polymeric foams are generally very adhesive by nature and thus ensure adequate bonding to the window pane so that no fragments separate from thecohesive mass 24 during its removal. It should be appreciated, however, that the unifying material may be a non-foaming polymeric material, such as a non-foam polymeric film, as described further below. It should be further appreciated that thelayer 21 can be pre-formed and then subsequently bonded or adhered to the window pane with a suitable adhesive or bonding agent, and theunifying material 20 may be used as the adhesive or bonding agent. Various polymeric foams can be used in the present invention including those disclosed in applicant's prior patent applications previously incorporated herein by reference. Examples of polymeric foam materials that may be utilized in the present invention include polyethylene, such as Ethafoam of Dow Chemical Company, polystyrene, polyurethane and copolymers of the foregoing. - Use of a polymeric foam for the unifying material results in a spongy, three dimensional, compressible, elastomeric web pattern with open or closed cells or pores, sometimes containing entrapped gas for energy absorption. Accordingly, the
layer 21 of polymericunifying material 20 can absorb energy from impacts sustained prior to, during, and subsequent to removal of thecohesive mass 24. In addition, thelayer 21 ofpolymeric material 20 is deformable so as to allow thecohesive mass 24 to resiliently bend, flex, cave in or buckle along the relatively weaker areas defined by the one ormore cracks 18, thereby facilitating removal of the cohesive mass from the window frame. The present invention is not limited to polymeric materials in that various non-polymeric materials capable of unifying a shattered window pane into a cohesive mass may be utilized as the unifying material. - In accordance with the present invention, one or more grasping members may be attached to the
cohesive mass 24 for use in grasping the cohesive mass to facilitate removal thereof, although the cohesive mass can be removed without the use of grasping members.FIG. 2 illustrates a pair of graspingmembers 26 attached to thecohesive mass 24 by the polymericunifying material 20, which acts as a bonding agent or adhesive for the grasping members. The graspingmembers 26 are formed as handles, respectively, each having opposing ends 28 embedded in thelayer 21 of polymericunifying material 20 and an elongate graspingportion 30 extending between ends 28 as shown inFIGS. 2 and 3 . The ends 28 may be embedded or pushed into thelayer 21 of polymericunifying material 20 before it fully cures, with the graspingportion 30 maintained externally and free of the layer of polymeric unifying material. If necessary, such as where the thickness of thelayer 21 is insufficient to firmly secure theends 28, additional polymericunifying material 20 may be added at the attachment sites for ends 28 to increase the thickness and, therefore, the securing strength, of the polymeric material at the attachment sites. When thepolymeric material 20 has finally cured, the ends 28 will be bonded or adhered to the polymeric material, and the graspingmembers 26 will be attached to the cohesive mass. - The handles can be made of any suitable material including plastic, metal, cardboard, paper, string and wood. Where additional unifying material is applied to the
layer 21 for securement of the grasping members, the additional unifying material can be applied before and/or after thelayer 21 has finally cured. Also, thelayer 21 and the additionally applied unifying material can be used individually or in combination to secure the grasping members to the cohesive mass in that the handle ends can be embedded or inserted in thelayer 21 and/or in the additionally applied unifying material. The graspingmembers 26 formed as handles can be cut or fabricated to have a desired length such that the length of the handles is adjustable. The length of the handles may also be adjusted by controlling the length ofends 28 that is embedded in the unifying material. By allowing the graspingmembers 26 to be attached in situ, the optimal locations for the grasping members can be selected in accordance with variables such as location of the window structure, accessibility of the window structure, and size, configuration and/or weight of the window pane. Where the layer of polymeric unifying material is pre-formed and not formed in situ, grasping members can be attached thereto in situ or during the layer formation process. The grasping members can be secured to the cohesive mass in various ways including the use of other adhesives or bonding agents and/or mechanical securing elements such as clips and the like. The ends of the grasping members may be flat or can have any desired shape, and may be secured directly to the window pane via adhesives and/or mechanical securing elements as explained further below. In the latter case, the grasping members may be attached to the window pane surface selected to receive the unifying material and/or to a surface of the window pane devoid of unifying material as explained in further detail below. - The polymeric
unifying material 20 may be supplied as a one-component supply system, as shown byFIG. 1 , or as a two-component supply system, as explained further below. In the one-component supply system ofFIG. 1 , mixing takes place in a tank orcontainer 34 of sprayingdevice 22, which has a discharge device ornozzle 36 for spraying or discharging the fluidic polymeric material from thecontainer 34. As an example of a one-component supply system,container 34 contains a polymeric blend such as a polymeric polyol, polyurethane prepolymer and a polymeric hydrocarbon propellant to be discharged as a foam fromdelivery device 36. - The
nozzle 36 may be designed to emit the polymeric unifying material in a broad or narrow discharge pattern depending on the coverage needed for a particular application. Where the polymeric unifying material is to cover a relatively large surface area, as shown inFIG. 1 , it is preferred that the nozzle be designed, for example, as a wide fan spay nozzle, to provide a broad discharge pattern to reduce the time required to cover a large surface area. Where the polymeric unifying material is to be applied to a relatively narrow or constricted surface area, such as to window pane fragments along a track of a window frame as explained below, it is preferred that the nozzle be designed, for example, as a narrow band nozzle, to provide greater control and targeting of the polymeric unifying material. The supply system for the polymeric material can be provided with a nozzle having a discharge pattern adapted for a particular application, and different supply systems having nozzles with different discharge patterns for different applications can be made available to users. Alternatively, the supply system can be provided with a multi-functional nozzle capable of selectively generating different discharge patterns so that a single supply system can be used for different applications. As a further alternative, a plurality of nozzles having different discharge patterns can be provided with or made available for interchangeable use with the supply system. - It should be appreciated that the layer or body of unifying
material 20 can be applied in any desired shape or formation depending on the particular application. Accordingly, the terms “layer” and “body” are used interchangeably to encompass any desired deposition or formation of material including broad and narrow depositions made up of a single layer, thickness or coat of uniform or non-uniform thickness or of multiple sub-layers, sub-thicknesses or sub-coats of uniform or non-uniform thicknesses applied sequentially one on top of the other as described further below. - Once the polymeric
unifying material 20 applied towindow pane 14 has cured sufficiently, which may occur within a few minutes after application, thewindow structure 12 may be considered stabilized in that formation of the shatteredpane 14 intocohesive mass 24 restores structural integrity and sealing functionality to the window pane. Thewindow pane 14 will then be in condition for safe removal as part of the cohesive mass, which may be removed as one piece or as a plurality of relatively large pieces. However, since thewindow structure 12 is stabilized, thewindow pane 14 does not have to be removed immediately but can remain in place until a suitable replacement pane and/or convenient time for replacement is/are available. The polymericunifying material 20 is water-repellant and resistant to degradation or damage from environmental elements and can remain exposed to weather conditions such as rain, snow, sun and wind. While thewindow pane 14 remains in place, the window pane as well as people and objects disposed to the exterior and/or the interior sides of the window structure are protected from injury and damage. In particular, collapsing or caving in of the window pane is inhibited, glass fragments and shards such asfragment 19 are bonded or embedded in the polymeric unifying material and cannot become loose, and the passage of environmental elements through the glass pane is deterred due to the barrier or seal provided by the cohesive mass. It should be understood that the terms “barrier” and “seal”, and their derivatives, are used interchangeably and that “seal” and its derivatives encompass complete and partial seals. - The
window pane 14 may be safely removed to the exterior of building 10 by pulling thecohesive mass 24 in the exterior direction from theframe 16 as shown inFIG. 5 , wherein the cohesive mass is manually pulled via hands holding graspingmembers 26. As thecohesive mass 24 is pulled, it may resiliently flex, bend, deform or cave in, as needed, along the relatively weakened areas of the cohesive mass presented atcracks 18 to permit disengagement of thewindow pane 14 fromframe 16. If necessary, thecohesive mass 24 may be hit adjacent to frame 16 with a hammer or other tool, a tool may be inserted between thewindow pane 14 and theframe 16 and/or a glass punch or cutting tool may be used to separate, disengage and/or cut thewindow pane 14 from theframe 16 and/or the fabrication or construction and, typically, from the track of the window structure. Various tools or implements employed in various ways can be used for the latter purposes. As shown inFIG. 5 , thecohesive mass 24, including thelayer 21 of unifyingmaterial 20 and thewindow pane 14 bonded thereto, may be removed as a single, integral and unitary piece. However, thecohesive mass 24 may be selectively removed as a plurality of relatively large, integral and unitary pieces ofcohesive mass 24, with each piece including a section of thelayer 21 and a corresponding section ofwindow pane 14 aft ached thereto. In either case, the window pane remains attached to the layer of unifying material during and subsequent to removal such that glass fragments or shards do not become separated or detached. Where it is desired to remove the window pane as more than one piece ofcohesive mass 24, such as where the window pane is too large and/or too heavy to remove as a single piece, the cohesive mass may be cut into a plurality of pieces prior to removal. Thecohesive mass 24 may be cut into a plurality of pieces by cutting through thelayer 21 and throughpane 14 to obtain a plurality of separately removable pieces ofcohesive mass 24 and each piece of the cohesive mass may be associated with one or more grasping member. To avoid the need for cutting through the window pane, pre-existing cracks or fissures of the window pane can be used to delineate the pieces of the cohesive mass so that the layer of unifying material need only be cut through along the one or more pre-existing cracks or fissures. Depending on the pattern or arrangement of pre-existing cracks inwindow pane 14, the cracks themselves may be used to define the formation of separately removable cohesive masses as described in detail below. When thecohesive mass 24 is removed fromframe 16 as shown inFIG. 5 , the cohesive mass may remain as a single, integral unit during transport to a disposal site. Similarly, where the cohesive mass is removed as more than one piece, each piece may remain intact as a single, integral unit. - Although the
cohesive mass 24 is shown herein as being removed to the exterior side of the window structure by a single, exteriorly located person pulling the cohesive mass in the exterior direction, it should be appreciated that the cohesive mass can be removed to the exterior side or to the interior side of the window structure as one or more pieces by one or more persons in various ways, such as by pulling and/or pushing the cohesive mass, with or without the use of grasping members. Pulling and/or pushing of the cohesive mass can be performed using the hands or various conventional tools. Where no grasping members are provided, the cohesive mass can merely be pushed to the interior side or to the exterior side of the window structure. Subsequent to being removed from thewindow frame 12 and the fabrication or construction, i.e. building 10, thecohesive mass 24 includingwindow pane 14 thereof can be safely handled and transported to a disposal site. -
FIG. 6 illustrates a stabilizedwindow structure 112, similar towindow structure 12, including alayer 121 of non-foamunifying material 120 applied to the exterior surface of abroken window pane 114. Thewindow pane 114 is mounted inframe 116 and hascracks 118 therein. Thelayer 121 ofunifying material 120 may be applied, such as by spraying, towindow pane 114 in fluidic form as described above and, upon drying, curing, hardening or setting of theunifying material 120, a cohesive mass 124 is formed including thelayer 121 ofunifying material 120 and thewindow pane 114 adhered thereto. Illustrative non-foam unifying materials, which may be polymers or non-polymers, suitable for use in the present invention include cellulosic and polymer films such as polyvinyl, latex, polyurethane, acrylate such as acrylic latex, cellophane and other polymers, and cellulosics or composites. Another representative foam material is Acrylic Latex sold by Dow Chemical Company. - A stabilized
window structure 212 in which first andsecond layers unifying material 220 have been applied to both the exterior and interior surfaces, respectively, ofwindow pane 214 havingcracks 218 therein is shown inFIG. 7 .Unifying material 220 is similar tounifying material 20, and eachlayer unifying material 220 as shown by first andsecond sub-layers 221 a and 221 b forlayer 221 and sub-layers 221 a′ and 221 b′ forlayer 221′. The sub-layers for eachlayer layers window pane 214 enhances the seal and structural integrity provided by thecohesive mass 224, which includeswindow pane 214 andlayers window pane 214 is sealed, confined or encapsulated between thelayers layers cohesive mass 224. Although thelayers layer 21, it should be appreciated that multiple sub-layers of unifying material similar tolayer 121 can be applied to the exterior and/or interior surfaces, respectively, of a shattered window pane. As shown by dotted lines forlayer 221, the layers of unifying material may be of non-uniform or varying thickness. - A two-component supply system for use in the present invention is illustrated in
FIG. 8 . The two-component supply system includes a first supply tank orcontainer 334 a containing component A, such as a polymeric polyol, a second supply tank orcontainer 334 b containing component B, such as disocyanate, and a mixinghead 338 which statically blends and reacts components A and B under pressure from apropellant 340 for delivery of polymericunifying material 320 in fluidic form through discharge device ornozzle 336. The disocyanate and the polymeric polymer are mixed under the propellant's pressure and sprayed onto a shatteredwindow pane 314. Foaming will start as soon as the polymeric blend is deposited on thewindow pane 314, and a desired polymeric foam thickness may be achieved. As noted above, additional sub-layers or coats can be applied for extra protection. A catalyst can be added to the supply system if it is desired to decrease curing time. The one-component supply system of Fig. I is similar with the exception that a higher viscosity polyurethane prepolymer is used that is moisture cured by atmospheric humidity. Examples of suitable two-component supply systems are the Froth Pak® system of the Dow Chemical Company of Midland, Mich. and Handi-Foam® of Fomo Products, Inc. -
FIGS. 9-11 illustrate a procedure for stabilizing awindow structure 412 having a shatteredwindow pane 414 that is missing one or more fragments. As a result of the one or more missing fragments,window pane 414 has a hole, opening or void 442 therein. In accordance with the present invention, afirst layer 421 ofunifying material 420 is applied to the exterior or interior surface ofwindow pane 414 around the perimeter ofhole 442 as shown inFIG. 9 , which illustrates thefirst layer 421 ofunifying material 420 being sprayed onto the exterior surface ofwindow pane 414. The unifying material can be a foam or non-foam polymer, a cellulosic material or any other suitable unifying material. Apatch 444, larger than thehole 442, is positioned over thehole 442 and is adhered to the unifying material as shown inFIG. 10 . Thepatch 444 will bond to the unifying material around the perimeter ofhole 442 and thusly close off thehole 442. Once thelayer 421 ofunifying material 420 has cured sufficiently so that thepatch 444 is bonded, adhered or secured to thewindow pane 414, a second or additional layer ofunifying material 421′ is applied over the patch, as shown inFIG. 11 , to provide structural integrity and a seat for thehole 442. Thesecond layer 421′ bonds to thefirst layer 421, to thepatch 444 and to thewindow pane 414 to form a cohesive mass. Preferably, thesecond layer 421′ of unifying material is applied to an area larger than thepatch 444 so that the edges of the patch are covered and thereby sealed. The seal provided by theadditional layer 421′ of unifying material deters the entry of water and other environmental elements through thehole 442. Thepatch 444 may be cut to size during use and may be made of any suitable material including, but not limited to, cotton and synthetic fabrics, plastics, paper, rubber, metal, wood, cellulose and foam. Of course, one or more layers of unifying material, with or without a patch, may also be applied to the interior surface of thewindow pane 414 for additional protection. Also, thepatch 444 does not have to be secured to the window pane using the unifying material, since the patch can be self-securing or may be secured using interior surface ofwindshield 514, thewindow structure 512 is stabilized due to the barrier provided by the cohesive mass and the structural integrity that is restored to the windshield. In non-emergency situations, the damaged windshield can safely remain in place prior to and while awaiting installation of a replacement windshield, and the vehicle interior will be protected from environmental elements. Of course, it should be appreciated that holes present in the window panes of vehicles can be patched as described above forwindow structure 412. - To remove shattered
windshield 514, the graspingmembers 526 are grasped from the exterior side ofautomobile 511, and thecohesive mass 524 is pulled in the exterior direction as shown inFIG. 13 . Thecracks 518 inwindshield 514 permit thecohesive mass 524 to resiliently deform, buckle, cave in, bend or flex along the relatively weaker areas defined bycracks 518 so that thewindshield 514 is disengaged from theframe 516. If thewindshield 514 is not cracked or shattered sufficiently to permit thecohesive mass 524 to deform to the extent necessary to disengage the windshield fromframe 516, the windshield can be held substantially in place by one or more persons via graspingmembers 526 while a force is applied to the edges of the windshield in the interior direction, as shown by arrows inFIG. 12 . The force applied to the edges of thewindshield 514 may be applied using a window punch or another suitable tool, and an interiorly directed force may be applied to the edges of the windshield at various locations adjacent to theframe 516 as shown by the arrows ofFIG. 12 . In this way, the edge ofwindshield 514 may be disengaged from theframe 516, but the windshield is prevented from falling into the automobile interior by the exteriorly directed counter force applied via grasping members other adhesives. An example of a self-securing patch is one having an adhesive backing. It should also be appreciated that, depending on the size of the hole, the patch may include a single patch member covering the hole in its entirety, or may include a plurality of patch members arranged to cover the entirety of the hole. - An
automobile 511 having awindow structure 512 stabilized in accordance with the present invention is illustrated inFIG. 12 .Window structure 512 includes aframe 516 and a shatteredwindshield 514 of non-planar configuration mounted inframe 516; however, the present invention is applicable to various fixed and slidable or other movable windows in vehicles. The present invention is useful for stabilizing and removing shattered vehicle windows in emergency and non-emergency situations, but is particularly useful in emergency situations where a vehicle window must be quickly removed to access one or more passengers in the interior of the vehicle without pushing glass fragments into the interior and causing injury to the one or more passengers. As shown inFIG. 12 , alayer 521 ofunifying material 520 is applied to the exterior surface ofwindshield 514 overcracks 518 and formscohesive mass 524 including the shatteredwindshield 514 and thelayer 521 adhered or bonded thereto. InFIG. 12 , thelayer 521 ofunifying material 520 is shown applied to the entire exterior surface ofwindshield 514 exposed byframe 516, with thelayer 521 conforming to the curvature of thewindshield 514. Also, graspingmembers 526 in the form of handles have been secured tocohesive mass 524. Where access to the interior of the vehicle is possible, such as in non-emergency situations, alayer 521 ofpolymeric material 520 can be applied to the interior surface and/or to the exterior surface ofwindshield 514. With alayer 521 applied to either or both of the exterior surface and 526. The edges of the windshield can be disengaged in various ways using various tools or implements, including those for cutting. -
FIG. 14 illustrates awindow structure 612 having two intersectingcracks window pane 614 into three separate and disconnectedwindow pane sections window pane sections FIG. 14 illustrateswindow pane section 614 a with ahole 642 therein of a size suitable to be patched, plugged or filled by the unifying material itself without the need for a separate patch and illustrateswindow pane section 614 c with acrack 618 c that may or may not dividewindow pane section 614 c into separate and discontinuous fragments.FIG. 14 also illustrates graspingmembers 626 secured directly to thewindow pane 614. Graspingmembers 626 each haveflat ends 628 provided with securingelements 629 for securement towindow pane 614 for each window pane section, respectively, and graspingportion 630 extending between ends 628. The securingelements 629 for graspingmembers 626 include layers of adhesive on the flattened ends 628, respectively. The graspingmembers 626 are shown inFIG. 14 secured to the surface ofwindow pane 614 selected to receive the unifying material, the grasping members being secured to the exterior surface ofwindow pane 614 in the illustrated embodiment. Where the grasping members are secured to the surface of the window pane selected to receive the unifying material, the grasping members will typically be secured to the window pane prior to application of the unifying material to the selected surface. However, the grasping members could be secured to the window pane during or after application of the unifying material thereto by inserting the ends through the unifying material to contact the window pane, as would typically be done before the unifying material fully cures. Depending on the design of the securing elements, the grasping members may be secured directly to the unifying material after it has fully cured. The graspingmembers 626 can be secured to thewindow pane sections members 626 may alternatively or additionally be secured to the surface ofwindow pane 614 opposite the surface selected to receive the unifying material. To illustrate this, a graspingmember 626′ is shown in doffed lines with its flat ends adhesively secured to the interior surface ofwindow pane 614 forwindow pane section 614 b. The graspingmember 626′ is shown secured to the interior surface ofwindow pane section 614 b prior to application of the unifying material to the exterior surface, but can be secured to the interior surface of the window pane at any time before, during or after application of the unifying material, since the interior surface has not been selected to receive the unifying material. Of course, where the interior surface of the window pane is alternatively or additionally selected to receive the unifying material, the selected number of graspingmembers 626′ may be secured to the interior surface of the window pane prior to, during or after application of the unifying material thereto as described above for graspingmembers 626. Another graspingmember 626″ is illustrated inFIG. 14 and includes a triangular shaped graspingportion 630″ attached to a securingelement 629″. The securingelement 629″ for graspingmember 626″ includes a suction cup for direct attachment of the graspingmember 626″ to the window pane before, during or after application of the unifying material to the window pane. - A method of removing shattered
window pane 614 is illustrated inFIGS. 15 and 16 , and is representative of a method in which pre-existing cracks in a damaged window pane are used to define, delineate, or demarcate the formation of a plurality of separately removable cohesive masses.FIG. 15 shows layers unifying material 620 already applied to the exterior surface ofwindow pane sections unifying material 620 being applied to the exterior surface ofwindow pane section 614 c.FIG. 16 shows the layer 621 c of unifying material after being applied towindow pane section 614 c and showswindow pane section 621 a, withlayer 621 a bonded thereto, removed fromwindow structure 612. As shown inFIG. 15 forwindow pane sections FIG. 16 forwindow pane sections layers window pane sections cracks FIGS. 15 and 16 , margins are also maintained between the layers of unifying material and thewindow frame 616, such that each layer of unifying material is surrounded or circumscribed by a peripheral gap or border ofwindow pane 614 to which unifying material is not applied. The unifying material formscohesive masses - As can be seen from
FIG. 15 forhole 642 and fromFIG. 16 for crack 61 8 c, thehole 642 and thecrack 618 c are patched, plugged, covered or filled in with theunifying material 620 as thelayers 621 a and 621 c ofunifying material 620 are applied, respectively, to the window pane, the unifying material serving to build the perimeter ofhole 642 inwardly until the hole is filled. Also, the ends of the graspingmembers 626 are embedded in the layers ofunifying material 620 as the unifying material is applied to the window pane as explained above. A separate patch is not required forhole 642, although a patch may be desirable and/or necessary to cover relatively large holes. Of course, where any or all of the window pane sections are divided into disconnected fragments, such fragments will be unified or bonded together as part of the corresponding cohesive mass. -
FIG. 16 illustratescohesive mass 624 a removed from thewindow structure 612, and thecohesive masses window pane 614 make it undesirable for removal as one piece. If necessary, a glass punch or other suitable tool or implement may be used to separate the window pane sections fromwindow frame 616 and/or the fabrication or construction and, typically, from a track ofwindow structure 612. Where only the graspingmembers 626′ shown inFIG. 14 are provided for each window pane section, the graspingmembers 626′ facilitate removal of the cohesive masses by pulling to the interior side of the window structure. Pulling of the cohesive masses in either direction is possible where graspingmembers - In many cases of shattered window panes, the openings circumscribed by the window frames are entirely or substantially entirely devoid of glass so as to present a sizable hole. A
window structure 712 in which all of the window pane or glass is missing is shown inFIG. 17 . Accordingly,window structure 712 has ahole 742 therein corresponding to the entire opening circumscribed bywindow frame 716.FIG. 17 also illustrateswindow structure 712 in the case where substantially all, but not entirely all, of the window pane or glass is missing, in that insubstantial portions ofwindow pane 714 remain inwindow structure 712adjacent window frame 716 as shown in dotted lines. Where substantially theentire window pane 714 is missing, thewindow structure 712 still has asizable hole 742′ shown in dotted lines. Where eitherhole window structure 712 is stabilized by covering the entire opening with a patch. Anoptional release element 745 is illustrated inFIG. 17 disposed over the exterior surface ofwindow frame 716 and may include any of the release elements previously described above. - The procedure for stabilizing
window structure 712 is similar forholes hole 742. The procedure described herein utilizes two patch members to cover respective portions of the opening; however, any number of patch members of various geometric configurations and sizes may be utilized.FIG. 18 illustrates afirst patch member 744 a having anadhesive backing 743 and being secured via the adhesive backing to the exterior surface offrame 716 such that thepatch member 744 a covers the entire height of the opening and a little more than half the width of the opening. The top edge, bottom edge and left side edge ofpatch member 744 a are adhesively secured towindow frame 716 and/or to releaseelement 745 along the top, bottom and left sides ofwindow frame 716. Thepatch member 744 a partially overlaps thewindow frame 716 and/orrelease element 745 along the top, bottom and left sides ofwindow frame 716 such that a gap or border ofwindow frame 716 and/orrelease element 745 is exposed along the top, bottom and left side edges ofpatch member 744 a. The right side edge ofpatch member 744 a spans the opening from top to bottom. Asecond patch member 744 b having anadhesive backing 743 is secured to the exterior surface ofwindow frame 716 such that thesecond patch member 744 b covers the entire height of the opening and the remaining uncovered width of the opening as shown inFIG. 19 . Thesecond patch member 744 b has top, bottom and right side edges adhesively secured towindow frame 716 and/or to releaseelement 745 along the top, bottom and right sides ofwindow frame 716. Thepatch member 744 b has a left side edge that overlaps the right side edge ofpatch member 744 a and is adhesively secured thereto. Thepatch member 744 b partially overlaps theframe 716 and/or therelease element 745 along the top, bottom and right sides offrame 716, with a gap or border offrame 716 and/orrelease element 745 exposed along the top, bottom and right side edges ofpatch member 744 b. Theadjacent patch members border 747 ofwindow frame 716 and/orrelease element 745 is disposed around the periphery of the patch. Where some glass is present in the opening, as shown in the case of thehole 742′, the patch may be adhered to the glass if it is feasible to do so. Once the entire opening is covered by the patch, a body ofunifying material 720 is applied over the patch as also shown inFIG. 19 . - As shown in
FIG. 20 , theunifying material 720 is applied over the patch as alayer 721 to formcohesive mass 724 includinglayer 721 and thepatch members FIG. 19 , bonded thereto. Preferably, thelayer 721 covers the entire peripheral edge of the patch for an enhanced seal. In the illustrated procedure, thelayer 721 overlaps theperipheral margin 747 ofwindow frame 716 and/orrelease element 745 partially or entirely. Of course, more than one layer of unifying material can be provided over the patch, and one or more layers of unifying material can be provided on the exterior and/or the interior sides of the patch. Thewindow structure 712 is stabilized inFIG. 20 , with thecohesive mass 724 providing structural integrity and a barrier between the exterior and interior sides of the window structure. Thecohesive mass 724 may remain in place until an intact window pane can be installed inframe 716. - The stabilized window structure and method depicted by
FIGS. 18-20 are applicable to any of the fabrications or constructions described above, including vehicles. In addition to stabilizing window structures in which window panes are missing due to damage, the method illustrated inFIGS. 18-20 is useful for covering unprotected openings in fabrications, such as buildings, under construction. In the latter case, openings in buildings or other fabrications under construction can be closed off to protect the interior until a window or other intended architectural component can be installed in the opening. Therelease element 745, where present, may be designed to allow theadhesive backing 743 and/or thelayer 721 ofunifying material 720 to adhere to thewindow frame 716 with sufficient force to avoid undesired detachment or separation of the cohesive mass from theframe 716, while permitting the cohesive mass to be forcefully separated or detached from theframe 716 for removal of the cohesive mass without significant damage to the window frame. Thecohesive mass 724 can be removed in any of the manners described above. Where the patch has been adhered to glass present in the opening, the glass will become part of the cohesive mass and will be removed therewith. Where the patch has not been adhered to glass present in the opening, such that some glass remains in the opening upon removal of thecohesive mass 724, a body of unifying material can be applied to the remaining glass to form a cohesive mass therewith which can then be removed from the window structure. - It should be understood that the
patch members window frame 716 using the unifying material as an adhesive as previously described forwindow structure 412. Accordingly, a quantity ofunifying material 720 can be applied towindow frame 716 and, thereafter, thepatch members hole 742 or as a plurality of individual, discrete deposits of material located at any suitable locations onframe member 716. Where some glass is present in the window frame, the unifying material optimally is applied to this glass and the patch is secured thereto using the unifying material as an adhesive. Of course, adhesives other than the unifying material can be applied to the window frame to removably secure the patch thereto. Where the patch members are provided with an adhesive backing, the adhesive backing may cover the entire back surfaces of the patch members or a portion or portions of the back surfaces which come in contact with the window frame. Also, it should be appreciated that the patch and layer of unifying material can be applied to the exterior and/or interior sides ofwindow structure 712. Grasping members can be secured to thecohesive mass 724 in any manner, such as being attached directly to the patch and/or the layer of unifying material, as shown in dotted lines by graspingmember 726. A layer of material of any type can be secured over the layer of unifying material for additional protection, structural strength and/or enhanced visual appearance. - A modified stabilized
window structure 812 is illustrated in exploded perspective view inFIG. 21 .Window structure 812 is similar towindow structure 712 and haswindow frame 816 circumscribing an opening entirely or substantially entirely devoid of glass to present asizable hole 842.Window structure 812 is stabilized by covering the opening with a pre-formed,pre-fabricated panel 848 made of polymeric material which is lightweight and inexpensive and, preferably, made of polymeric foam material. In the stabilizedwindow structure 812, thepanel 848 is removably secured overwindow frame 816 via a backing of adhesive 850 on at least a peripheral portion of the back surface ofpanel 848. However, the adhesive 850 could alternatively and/or additionally be applied to thewindow frame 816. The adhesive 850 is preferably strong enough to secure thepanel 848 on thewindow frame 816 so long as thepanel 848 is intended to remain in place over the opening, while allowing the panel to be forcefully removed or detached from the window structure without significant damage to the window structure. If needed, the exterior surface ofwindow frame 816 to which thepanel 848 is secured can be protected with asuitable release element 845. Thepanel 848 can alternatively and/or additionally be removably secured to the window structure using one or moremechanical securing devices 849. Suitable pre-formed panels, securing devices and manners of securing the panels to window structures are disclosed in Applicant's prior U.S. patent application Ser. No. 09/878,214 previously incorporated herein by reference. Of course, it should be appreciated that thepanel 848 can be secured on the interior or exterior sides of the window structure, and apanel 848 can be secured on each of the interior and exterior sides of the window structure. Thepanel 848 can easily be cut to fit thewindow frame 816, and may include one or moregrasping members 826. The graspingmembers 826 may be secured to thepanel 848 by a user or may be secured to thepanel 848 as part of the manufacturing process. Thepanel 848 is left in place to stabilizewindow structure 812 until replacement glass can be installed. Once replacement glass is ready to be installed in the opening, thepanel 848 is removed from the window structure by detaching it fromwindow frame 816. If needed, a knife or any suitable tool can be used to facilitate separation of the panel from the window frame. If some glass is present in the opening, a body of unifying material can be applied to the glass to form a cohesive mass therewith which can then be removed from the window structures. - In any of the stabilized window structures described above, a protective member may be secured to the glass around the peripheral edge of the cohesive mass for the purpose of preventing or inhibiting a glass shard from piercing the unifying material in the event that the cohesive mass is subjected to considerable force. The cohesive mass would thusly be protected if a person or object forcefully impacted the cohesive mass. The protective member could include a film or sheet of polymeric or cellulosic material, a metal structure or mesh, or a film or sheet of any other material having protective or barrier characteristics. The protective member can be secured to the glass, the cohesive mass and/or the window frame in any various ways including use of the unifying material as an adhesive for the protective member. A protective member is not likely to be needed in most cases, but may be useful for window structures located at a ground floor or elevation.
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FIGS. 22 and 23 illustrate awindow structure 912 having awindow frame 916 circumscribing an opening and having avertical mullion 954 and ahorizontal mullion 956 dividing the opening into four sections or parts, each receiving awindow pane vertical mullion 954, along one of its horizontal sides tohorizontal mullion 956, and along the other of its vertical and horizontal sides towindow frame 916. Each window pane is mounted by having its peripheral edge disposed in atrack 958 ofwindow structure 912 as best shown inFIG. 23 forwindow pane 914 a. Thetrack 958 for each window pane is formed by grooves orslots 960 inwindow frame 916,vertical mullion 954 andhorizontal mullion 956. In the case ofwindow pane 914 a, for example, the edge of the left vertical side ofwindow pane 914 a is received in agroove 960 in the left side offrame 916, the edge of the right vertical side ofwindow pane 914 a is received in agroove 960 invertical mullion 954, the edge of the top horizontal side ofwindow pane 914 a is received in agroove 960 inhorizontal mullion 956, and the edge of the bottom horizontal side ofwindow pane 914 a is received in agroove 960 in the bottom side offrame 916, with eachgroove 960 cooperating to form thetrack 958 forwindow pane 914 a. The arrangement represented bywindow structure 912 of a window pane mounted in a track of window structure is generally applicable to any type of window structure, with or without mullions, including the window structures described above. Thewindow pane 914 a is shattered as shown inFIGS. 22 and 23 , and comprises shards orfragments 962 ofwindow pane 914 a jutting from itstrack 958. - A method for safely removing the window pane fragments 962 from
track 958 is shown inFIGS. 24 and 25 .FIG. 24 illustrates a body ofunifying material 920 being applied to thefragments 962 as a band, strip or bead extending alongtrack 958 forwindow pane 914 a. In particular,FIG. 24 shows the body ofunifying material 920 being applied to thefragments 962 disposed in thegroove 960 in the left and bottom sides offrame 916, and the unifying material is applied in a similar manner to the fragments disposed in the grooves of the horizontal and vertical mullions. Theunifying material 920 is applied from acontainer 934 using anarrow band nozzle 936, and the unifying material may be applied in a continuous or unbroken band, strip or bead of desired length. If desired or necessary, thetrack 958 and/orwindow frame 916 can be protected by applying a release element thereto to prevent or inhibit bonding of the unifying material to the track and/or the window frame. Upon drying, setting, hardening, rigidifying or curing, theunifying material 920 forms acohesive mass 924 including theunifying material 920 and thefragments 962 bonded thereto as shown inFIG. 25 . The cured unifying material covers the sharp edges and/or points of the shards and thusly protects against injury or damage. Thecohesive mass 924 can then be withdrawn from thewindow structure 912, with thefragments 962 being removed from thetrack 958 as thecohesive mass 924 is withdrawn. Thecohesive mass 924 can be withdrawn or removed in any suitable manner, such as by grasping and pulling an end 963 of the band, strip or bead to pull the cohesive mass away from theframe 916 so that the fragments are extracted from thetrack 958. Prior to removing thecohesive mass 924, thefragments 962 can be separated from thetrack 958 by inserting aknife 964 or other tool into thegroove 960 to break the adhesive bond between the window pane and its track as typically found in many conventional window structures. All of thefragments 962 forwindow pane 914 a can be removed as part of a single, continuous band, strip or bead of unifying material, i.e., a single cohesive mass, as a plurality of pieces of the single cohesive mass, or as a plurality of separately removable cohesive masses. Pieces of the single cohesive mass can be obtained by cutting the cohesive mass into separate pieces. Separately removable cohesive masses may be obtained by applying the unifying material in separate, disconnected bands, strips or beads to form separate cohesive masses utilizing pre-existing cracks or breaks between adjacent shards to delineate the separate cohesive masses. -
FIG. 26 is representative of a stabilized window structure and method of stabilizing a window structure wherein pre-formed panels of polymeric foam material are used as patch members, and wherein the patch members are disposed over an opening of the window structure without being placed in overlapping arrangement.Window structure 1012 illustrated inFIG. 26 includes window frame 1016 circumscribing an opening entirely or substantially entirely devoid of glass. First and second patch members I 044 a and I 044 b are secured over frame 1016 to cover the opening in its entirety, and each patch member I 044 a and I 044 b is a pre-formed panel made of polymeric foam as described above forpanel 848.Patch members patch members seam 1070 between the adjacent patch members. A body ofunifying material 1020 is applied over the exterior and/or interior sides of the patch formed bypatch members seam 1070 between the adjacent patch members and forms an adhesive and/or mechanical bond that bridges the seam when the unifying material has cured. Although the unifying material may desirably be applied over the entire or substantially the entire surface area of the patch, the quantity of unifying material applied to the patch may be minimized in that it may only be necessary to apply the unifying material to the seam. Thepatch members panel 848. -
FIGS. 27-32 illustrate a method and a system of components for ported stabilization of a window structure wherein a port is formed in the cohesive mass to provide visualization and/or light transmission therethrough.FIG. 32 illustrates the ported stabilized window structure.Window structure 1112 illustrated inFIG. 27 includeswindow frame 1116 circumscribing anopening 1142 devoid of glass, and theopening 1142 can be entirely or almost entirely devoid of glass. Thewindow structure 1112 is in an unstable condition inFIG. 27 due to theempty opening 1142. Thewindow frame 1116 is illustrated by way of example as comprising aperipheral frame member 1117 extending around theopening 1142, aperipheral flange 1125 extending along the perimeter of theopening 1142 inwardly of theperipheral frame member 1117, and aperipheral side wall 1127 extending around theopening 1142 between theperipheral frame member 1117 and theperipheral flange 1125. Thewindow frame 1116 is depicted by way of example as having four straight sides, with theperipheral frame member 1117 having a top frame member piece, a bottom frame member piece, a left frame member piece and a right frame member piece arranged in end to end relation around theopening 1142. The top and bottom frame member pieces are depicted as being parallel to one another. The left and right frame member pieces are depicted as being parallel to one another and perpendicular to the top and bottom frame member pieces. Theperipheral flange 1125 and theperipheral side wall 1127 follow the configuration ofperipheral frame member 1117. Accordingly, theperipheral flange 1125 has top, bottom, left and right peripheral flange sections in respective correspondence with the top, bottom, left and right frame member pieces. Theperipheral side wall 1127 has top, bottom, left and right peripheral side wall sections in respective correspondence with the top, bottom, left and right frame member pieces. Theperipheral flange 1125 may be flat or planar as shown inFIG. 27 . Each side wall section may be flat or planar and may be perpendicular to its corresponding peripheral flange section as seen inFIG. 27 . Typically, theperipheral frame member 1117 will be disposed on the interior side of thewindow structure 1112 and theperipheral flange 1125 will be disposed on the exterior side. Thewindow frame 1116 and its circumscribedopening 1142 have an inside depth between theperipheral frame member 1117 and theperipheral flange 1125. - The
window structure 1112 may have originally included one or more glass panes within theopening 1142, and theopening 1142 may be devoid of glass due to the one or more glass panes having been stabilized and removed from thewindow frame 1116 as part of a cohesive mass in any of the various ways described above. Theopening 1142 may be devoid of glass due to no glass having yet been installed in thewindow frame 1116 as, for example, in the case of an uncompleted window structure located in a building or structure under construction. Thewindow frame 1116 may be composed of various structural components or may simply be formed by a peripheral edge, border or surface circumscribing theopening 1142. - In the method of ported stabilization for
window structure 1112, a transparent, translucent or optically clear patch orsheet 1144 is removably secured on thewindow structure 1112 to cover the opening in its entirety as shown inFIG. 28 . Thepatch 1144 can be translucent to allow the passage of light therethrough without being clear enough to permit visualization therethrough. Thepatch 1144 can be sufficiently transparent or clear to permit both visualization and the transmission of light therethrough. Thepatch 1144, as best seen inFIGS. 27 and 28 , comprises a single patch or sheet member having a size and configuration in order for a peripheral border of the patch orsheet 1144 to overlap theperipheral flange 1125 of thewindow frame 1116. The patch orsheet 1144 may be a thin film or a relatively thicker panel of transparent, translucent or clear polymeric or cellulosic material, including plastics, such as polycarbonates exemplified by Lexan from General Electric Company. Thepatch 1144 may be lightweight, resistant to cracking or breakage, and may be waterproof or water-resistant. Thepatch 1144 can have various tensile strengths. Thepatch 1144 may be flexible or bendable, and the degree of flexibility can be varied. Thepatch 1144 can be sufficiently flexible in order to be provided or stored in a rolled up condition prior to use, or thepatch 1144 can be sufficiently rigid in order to be handled in a manner similar to glass. When removably secured onwindow structure 1112 to cover theopening 1142, thepatch 1144 will typically be in a flat or planar condition. Thepatch 1144 can be cut in the appropriate size and shape from a larger piece of the transparent or translucent material. Thepatch 1144 can be cut to size and shape using any suitable manual or powered cutting tools. The ability to cut thepatch 1144 to the appropriate size and shape using manual cutting tools, such as knives and blades, is advantageous since electrical power needed for powered cutting tools may be unavailable when thewindow structure 1112 needs to be stabilized, for example during storm-related power outages or other conditions resulting in loss of utility power. In contrast, the use of plywood panels to board up empty window openings disadvantageously requires the use of power tools in addition to the other disadvantages of plywood discussed hereinabove. Although it is preferred that the patch orsheet 1144 be a single patch or sheet member of appropriate size and shape to cover theopening 1142 in its entirety, the patch orsheet 1144 could comprise a plurality of overlapping and/or abutting patch or sheet members as described above. - The
patch 1144 can be removably secured to thewindow structure 1112 in various ways to be disposed over and cover theopening 1142.FIG. 28 depicts an example where the peripheral border ofpatch 1144 is removably secured to theperipheral flange 1125 ofwindow frame 1116 in overlapping relation, with the patch presenting an exposed surface area inside the boundary of theperipheral flange 1125. The peripheral border ofpatch 1144 can be secured to theperipheral flange 1125 continuously along the entire periphery of thepatch 1144 or at separate discrete locations spaced along the periphery of thepatch 1144. It may be preferable for thepatch 1144 to be secured to thewindow frame 1116 continuously along the entire periphery of the patch for an enhanced seal between the patch and thewindow structure 1112 and for enhanced cosmetic or aesthetic appearance in the ported stabilized window structure. Thepatch 1144 can be placed in removable securement on thewindow frame 1116 from the interior side of thewindow structure 1112, which affords greater convenience and eliminates the need for ladders or scaffolds to access the exterior sides of elevated window structures. -
FIG. 28 depicts an arrangement where the peripheral border of thepatch 1144 is removably secured to theperipheral flange 1125 continuously along the entire periphery of the patch via an adhesive 1143 between the peripheral border andflange 1125. Thepatch 1144 can be self-securing as explained above in that the adhesive 1143 can be provided as an adhesive backing on the peripheral border of thepatch 1144, and the adhesive backing may be covered by a removable cover sheet which protects the adhesive backing prior to use. Thepatch 1144 can be provided without an adhesive backing, in which case the adhesive 1143 can be a separate adhesive applied to the peripheral border ofpatch 1144 and/or to theperipheral flange 1125 ofwindow frame 1116 as a step in the ported stabilization method. If necessary, the adhesive used to secure thepatch 1144 to thewindow frame 1116 can be placed over a release element applied to thewindow frame 1116 to facilitate subsequent removal of the cohesive mass from the window structure as explained above and further below. It should also be appreciated that the unifying material used to form the cohesive mass can be used as the adhesive 1143 for securing thepatch 1144 to thewindow frame 1116 when applied over a release element. Where the adhesive 1143 is applied directly to theperipheral flange 1125 without a release element, it is preferable that the adhesive be removable from the peripheral flange so that the flange is left without any significant damage. Instead of or in addition to adhesive 1143, thepatch 1144 can be removably secured to thewindow frame 1116 using various types of mechanical securing devices as described above and further below. Depending on the structure of the window frame, the window frame itself can serve as a securing device for the patch as described below forwindow frame 1216. -
FIG. 29 depicts an example of amechanical securing device 1149 for removably securing thepatch 1144 to thewindow frame 1116 to cover theopening 1142. Thesecuring device 1149, which may be used as an alternative or in addition to the adhesive 1143, comprises a plurality of securingmembers 1150, i.e. top, bottom, left and right securingmembers 1150, corresponding respectively to the top, bottom, left and right peripheral flange sections ofperipheral flange 1125. Each securingmember 1150 comprises a block or wedge for being removably secured to thewindow frame 1116 in a position to hold the peripheral border ofpatch 1144 against theperipheral flange 1125 in overlapping relation. Each securingmember 1150 has a first face orsurface 1151 for being placed in overlapping engagement or abutment with the peripheral border ofpatch 1144 disposed overperipheral flange 1125, and a second face orsurface 1152 for being placed in overlapping engagement or abutment with the corresponding peripheral side wall section ofperipheral side wall 1127. Preferably, the securingmembers 1150 are of appropriate length for thesecuring device 1149 to extend along the entire periphery offlange 1125 andpatch 1144 so that the peripheral border of thepatch 1144 is held against theflange 1125 continuously along the entire periphery of the patch. Although thesecuring device 1149 is depicted inFIG. 29 as comprising top, bottom, left and right securingmembers 1150 respectively corresponding to the top, bottom, left and right peripheral flange and side wall sections, thesecuring device 1149 can comprise a single securing member or any suitable plurality of securing members. The first andsecond faces patch 1144 and the peripheral side wall sections ofperipheral side wall 1127. The one ormore securing members 1150 may be of any suitable geometric configuration in cross-section including a square cross-sectional configuration as shown for securingmembers 1150 or a rectangular cross-sectional configuration. The one ormore securing members 1150 can be made of a lightweight spongy material or of any other suitable material. The one ormore securing members 1150 can be removably secured or held in place on thewindow frame 1116 in various ways including adhesively, mechanically via mechanical securing elements, and/or a friction fit with thewindow frame 1116. Thesecuring device 1149 can be removably secured to thewindow frame 1116 from the interior side of thewindow structure 1112. - In the arrangement shown in
FIG. 29 , the second faces 1152 of securingmembers 1150 are releasably adhesively secured to theperipheral side wall 1127. In addition, thesecuring device 1149 fits snugly inside of theperipheral side wall 1127 for a friction fit with thewindow frame 1116, and the snug fit may be enhanced due to the compressibility of the spongy material from which the securingmembers 1150 are formed. The first faces 1151 of the securingmembers 1150 could also be adhesively secured to the peripheral border of thepatch 1144. The adhesive used to secure thesecuring device 1149 to thewindow frame 1116, and optionally to thepatch 1144, can be the same as the adhesive 1143. The one ormore securing members 1150 may be self-securing in that the second faces 1152, and/or any other appropriate faces or surfaces of the securing members, can be provided with an adhesive backing which may be covered by a removable cover sheet that protects the adhesive backing prior to use. The one ormore securing members 1150 can be provided without an adhesive backing, in which case the adhesive can be a separate adhesive applied to the appropriate faces or surfaces of the one ormore securing members 1150, to thewindow frame 1116 and/or to the peripheral border of thepatch 1144 as a step in the ported stabilization method. If necessary, the adhesive used to secure thesecuring device 1149 to thewindow frame 1116 can be placed over a release element applied to thewindow frame 1116 as explained above and further below. It should be appreciated that the unifying material used to form the cohesive mass can be used as the adhesive for securing thesecuring device 1149 to thewindow frame 1116 when placed over a release element. As seen inFIG. 29 , it is preferred that the one ormore securing members 1150 have a depth less than the inside depth of thewindow frame 1116 and its circumscribedopening 1142 such that the peripheral side wall 127 is not completely covered by thesecuring device 1149 when thesecuring device 1149 is removably secured in place on thewindow frame 1116 with thefirst faces 1151 in abutment with the peripheral border ofpatch 1144 which is held by thesecuring device 1149 in abutment with theperipheral flange 1125. It is also preferred that the one ormore securing members 1150 have a width less than or close in size to the width of theperipheral flange 1125, as shown inFIG. 29 , to avoid or minimize protrusion of thesecuring device 1149 inwardly beyond theflange 1125 into overlap with the exposed surface area of thepatch 1144. - It should be appreciated that the
patch 1144 can be releasably secured to thewindow structure 1112 at various locations on thewindow structure 1112. Thepatch 1144 can be secured to thewindow structure 1112 externally along the exterior side or the interior side of thewindow structure 1112. Thepatch 1144 can be secured to thewindow structure 1112 internally along the depth of thewindow frame 1116 as is the case forpatch 1144. Internal securement of thepatch 1144 to thewindow structure 1112 may provide a better attachment and may be preferable to an external attachment. Thepatch 1144 can be internally secured at various locations along the depth of thewindow frame 1116, but more preferably, the patch should be secured about mid-way along the depth of the window frame. For example, in a window frame having a total depth of four inches, it is desirable for the patch to be secured along the total depth about two inches inwardly of either the exterior side or the interior side of the window structure. -
FIG. 30 illustrates arelease element 1145 applied to the entire portion ofperipheral side wall 1127 that is not covered by thesecuring device 1149 and applied to all or part of theperipheral frame member 1117. Therelease element 1145 can include any of the various types of release elements described hereinabove, and therelease element 1145 may be simple masking tape or painter's tape. Therelease element 1145 is applied to the entire uncovered portions of the top, bottom, left and right peripheral side wall sections ofperipheral side wall 1127. In the arrangement depicted inFIG. 30 , therelease element 1145 is also applied to a part, but not all, of theperipheral frame member 1117. In particular, therelease element 1145 is shown by way of example as being applied to an inner margin of theperipheral frame member 1117 in continuity with therelease element 1145 applied to theperipheral side wall 1127, leaving an outer margin of theperipheral frame member 1117 uncovered by therelease element 1145. Of course, it should be appreciated that therelease element 1145 can be applied so as to cover both the inner and outer margins of theperipheral frame member 1117 or any other portion of or aroundwindow structure 1112, and/or the building or structure in which thewindow structure 1112 is located, that it is desired to protect from the application of unifying material. As pointed out above, therelease element 1145 can be applied to thewindow frame 1116 before thepatch 1144 and securingdevice 1149 are secured to thewindow frame 1116, and the adhesive used to secure thepatch 1144 and/or thesecuring device 1149 to thewindow frame 1116 may be applied over therelease element 1145. Accordingly, the unifying material and/or any adhesive that would normally form a permanent or essentially permanent bond and be difficult or impossible to cleanly remove can be used as the adhesive to secure thepatch 1144 and/or thesecuring device 1149 on thewindow frame 1116 when applied over therelease element 1145. In the latter case, the unifying material and/or permanent adhesive can form a permanent or essentially permanent bond with therelease element 1145, which can be released or removed from thewindow structure 1112 without any substantial damage to the window structure. - A barrier or
shield device 1166 for shielding a segment of the exposed surface area ofpatch 1144 from the application of unifying material is shown inFIG. 30 . Theshield device 1166 includes ashield body 1167 of hollow construction having a first orabutment end 1168 for being placed in contact or abutment with the exposed surface area ofpatch 1144 along the side ofpatch 1144 that is to be covered with unifying material. Preferably, theabutment end 1168 is placed in contact with an interior surface ofpatch 1144 from the interior side of thewindow structure 1112. Theabutment end 1168 is open into the interior of theshield body 1167 and includes a perimeter edge that is disposed in a plane so as to allow placement of the perimeter edge in close continuous contact with the surface ofpatch 1144. In the case ofshield body 1167, the perimeter edge is circular due to theshield body 1167 having a cylindrical configuration. However, it should be appreciated that theshield body 1167 can have various geometric configurations of uniform or non-uniform cross-section and that the perimeter edge of theabutment end 1168 can have various non-circular configurations. The perimeter edge of theabutment end 1168 is preferably of a size to fit entirely within the exposed surface area ofpatch 1144 so that theabutment end 1168, and the segment of the patch covered by the abutment end, are circumscribed or surrounded by a portion of the exposed surface area ofpatch 1144. Asecond end 1169 of theshield body 1167, opposite theabutment end 1168, is also open into the interior of the shield body, and theshield device 1166 may include a lid orcover 1172 for closing off theend 1169. Thelid 1172 may be provided with ahandle 1174 for grasping. Thelid 1172 may be removable from theshield body 1167 to expose the interior thereof, and theshield device 1166 can be provided with any suitable retention mechanism (not shown) for releasably retaining, securing or locking thelid 1172 on theend 1169 of theshield body 1167 and allowing thelid 1172 to be selectively removed from theshield body 1167. Thelid 1172 can be simple masking or painter's tape or a release element. Thelid 1172 can be removably attached to theshield body 1167 in a manner permitting theshield device 1166, including theshield body 1167 and the attachedlid 1172, to be carried and manipulated as a single unit viahandle 1174. Thelid 1172 can be made of transparent, translucent or optically clear material so that the lid does not have to be removable from theend 1169 in order to expose the interior of theshield body 1167. Where thelid 1172 is transparent, translucent or clear, the interior of theshield body 1167 is exposed due to the visibility and/or light transmission provided through the lid. Where thelid 1172 is made of transparent, translucent or clear material and is intended to remain in place with theshield body 1167 as part of the ported stabilized window structure, thelid 1172 can be provided with ahandle 1174 that is removable from the lid. It should be appreciated, however, that the lid of the shield device need not be provided with a handle. - In the method of ported stabilization of
window structure 1112, the perimeter edge of theabutment end 1168 of theshield device 1166 can be manually held in place against the surface ofpatch 1144 by pressing theabutment end 1168 against thepatch 1144 usinghandle 1174 to manipulate theshield device 1166. However, it should be appreciated that any suitable type of restraining device, including adhesives and/or mechanical devices, could be provided for holding the perimeter edge ofabutment end 1168 in contact with the surface ofpatch 1144. The perimeter edge of theabutment end 1168 is held in contact with the surface of thepatch 1144 so that the abutment end is disposed over and covers a segment of the exposed surface area ofpatch 1144 to be shielded from the application of unifying material for formation of a port as explained further below.FIG. 30 depicts theabutment end 1168 placed against the exposed surface area ofpatch 1144 so that theshield body 1167 is centered or substantially centered on the exposed surface area and within theopening 1142. It should be appreciated, however, that theabutment end 1168 can be placed in contact with the exposed surface area ofpatch 1144 at various locations including non-centered locations. Since theshield device 1166 is illustrated as being placed in contact with thepatch 1144 from the interior side of thewindow structure 1112, theshield body 1167 extends from thepatch 1144 along the inside depth of thewindow frame 1116 toward the interior side of thewindow structure 1112. As depicted inFIG. 30 , theopening 1142 presents an empty or vacant portion around theshield body 1167 for receiving unifying material applied to a desired depth over thepatch 1144. Preferably, the length of theshield body 1167 is the same as or slightly greater than the desired depth for the unifying material. -
FIG. 31 illustrates aunifying material 1120 applied over thepatch 1144 around theshield body 1167 to fill or substantially fill the vacant space remaining in theopening 1142. Theunifying material 1120 is supplied to the vacant space from the interior side of thewindow structure 1112. Theunifying material 1120 is applied over thepatch 1144 to the desired depth within the boundary of theperipheral side wall 1127.FIG. 31 depicts an arrangement where theunifying material 1120 is applied to a depth where theunifying material 1120 comes close to but does not quite reach the level of theperipheral frame member 1117 along the interior side ofwindow structure 1112. Thesecond end 1169 of theshield body 1167 and thelid 1172 protrude beyond the depth of theunifying material 1120, while a substantial portion of the length of theshield body 1167 is embedded in and surrounded by theunifying material 1120. - The
unifying material 1120 is preferably a polymeric foam applied in fluidic form by spraying as described hereinabove. The ability for theunifying material 1120 to be applied by spraying is advantageous for the reasons previously discussed above as well as for the fact that the devices or systems used for spray-on application of theunifying material 1120 can be self-propelled or self-powered without the need for electrical power or any other extraneous source of power. Theunifying material 1120 is applied to the vacant space around theshield device 1166 as a layer orbody 1121 of theunifying material 1120 which expands in three dimensions. As theunifying material 1120 is supplied to the vacant space, theabutment end 1168 of theshield device 1166 can be manually held in place against thepatch 1144 and, since theunifying material 1120 begins to set, harden or solidify quickly after application, theshield body 1167 may be held in place by the unifying material itself soon after the application of the unifying material has begun. During the application process, therelease element 1145 prevents splatters or overspray of the unifying material from bonding with surfaces of or around the window structure that it is desired to protect. Thelid 1172 prevents the entry of unifying material into the interior of theshield body 1167. - Since the
abutment end 1168 of theshield body 1167 is maintained in close contact with the surface ofpatch 1144 as theunifying material 1120 is applied, the perimeter edge in contact with the surface of thepatch 1144 serves as a barrier against infiltration of the unifying material past the perimeter edge and onto the shielded segment of the exposed surface area ofpatch 1144. Accordingly, the shielded segment of thepatch 1144 that is covered by theabutment end 1168 remains free or essentially free ofunifying material 1120 so as to retain its transparency, translucence or clarity for visualization and/or light transmission therethrough. Once thebody 1121 ofunifying material 1120 has been applied to the appropriate depth and has set, hardened, solidified or cured as described above, an integralcohesive mass 1124 is formed including thebody 1121 ofunifying material 1120 and thepatch 1144, therelease element 1145, thesecuring device 1149 and theshield body 1167 which are all bonded to the body of unifying material with a permanent or essentially permanent bond. Thewindow structure 1112 is stabilized due to the presence ofcohesive mass 1124 filling the previously empty opening, and thecohesive mass 1124 may also stabilize the window structure by providing a seal between the exterior and interior sides of the window structure. Upon removal of thelid 1172 from theshield body 1167 as shown inFIG. 32 , a ported stabilizedwindow structure 1112 is obtained. Removal of thelid 1172 exposes theopen end 1169 and the interior of theshield body 1167. The interior of theshield body 1167 forms a passage orchannel 1176 through the entire depth of thebody 1121 of unifying material, thepassage 1176 being closed along the exterior side of thewindow structure 1112 by thepatch 1144. The shieldedsegment 1175 of the exposed surface area of thepatch 1144 that is maintained free or essentially free of theunifying material 1120 is in communication or alignment with thepassage 1176. Theopen end 1169 of theshield body 1167 is disposed along the interior side of thewindow structure 1112 and establishes communication with thepassage 1176. The shieldedsegment 1175 and thepassage 1176 form aport 1177 in thecohesive mass 1124 for visualization and/or light transmission therethrough. Of course, as explained above, theend 1169 can be provided with a transparent, translucent or clear lid or cover that can remain in place as part of theport 1177. - The
cohesive mass 1124 can remain in place for any desired length of time. Where the window structure originally had glass installed in the opening, the cohesive mass can remain in place until replacement glass can be installed in the window structure. Where glass had not yet been installed in the window structure, the cohesive mass can remain in place until glass is ready to be installed. The ability for light to be transmitted through theport 1177 enables outdoor light to be transmitted from the exterior side to the interior side of the ported stabilizedwindow structure 1112, which is especially beneficial in situations where utility power is lost or not available in the building or other structure in which thewindow structure 1112 is located. The capability for visualization through theport 1177 provides security for the occupants of a building or other structure in which thewindow structure 1112 is located by providing a means for occupants to assess external conditions. - The
cohesive mass 1124 can be removed from thewindow structure 1112 in any of the ways described hereinabove. Thecohesive mass 1124, including thebody 1121 ofunifying material 1120, thepatch 1144, therelease element 1145, thesecuring device 1149 and theshield body 1167, may be removed as a single integral or monolithic piece. In order to facilitate removal of thecohesive mass 1124, thelid 1172 of theshield device 1166 can be replaced on theshield body 1167 and secured in position thereon so that thehandle 1174 can be used as a grasping member to facilitate removal of thecohesive mass 1124 as explained above for the removal of cohesive masses using grasping members, If thelid 1172 is designed to remain on theshield body 1167 as part of the ported stabilized window structure and has a handle that is removable therefrom, the handle can be reattached to the lid and secured thereto for use as a grasping member to facilitate removal of thecohesive mass 1124. Of course, it should be appreciated that thecohesive mass 1124 can be provided with any of the grasping members described hereinabove. - The method for ported stabilization of a window structure can be carried out using a system or kit for ported stabilization of a window structure. The system or kit can provide the components for ported stabilization of a window structure including a first transparent, translucent or clear patch or a quantity of material from which the patch can be cut to size and shape, a securing device, a release element, a shield device, and a supply of the unifying material. The kit or system may also include a second transparent, translucent or clear patch, or a quantity of material from which a second patch can be cut to size and shape, for being placed over the body of unifying material along the side opposite the first patch to become part of the cohesive mass as explained further below for
window structure 1412. -
FIGS. 33-36 illustrate an alternative method of ported stabilization of a window structure to obtain a ported stabilized window structure, which is illustrated inFIG. 36 .Window structure 1212 illustrated inFIG. 33 differs fromwindow structure 1112 in that theperipheral side wall 1227 ofwindow structure 1212 includes atrack 1258 for receiving the peripheral edge of a single glass pane or the peripheral edge of an array of glass panes that would normally be mounted in theopening 1242 circumscribed by thewindow frame 1216. Theopening 1242 circumscribed bywindow frame 1216 is devoid of glass, however, such that thewindow structure 1212 depicted inFIG. 33 is unstable. Thetrack 1258 may be similar to thetrack 958 and may constitute a groove formed in or on theperipheral side wall 1227 ofwindow frame 1216. In the case ofwindow structure 1212, thetrack 1258 includes a groove that extends along the top, bottom, left and right peripheral side wall sections ofperipheral side wall 1227. The location of thetrack 1258 on theperipheral side wall 1227 is depicted by way of example as being about midway between theperipheral frame member 1217 along the interior side of the window structure and anouter edge 1231 of the peripheral side wall located along the exterior side of the window structure. Theopening 1242 circumscribed bywindow frame 1216 thusly has an inside depth between thetrack 1258 and theperipheral frame member 1217. - In the method for ported stabilization of the
window structure 1212, a transparent, translucent orclear patch 1244 is releasably secured on thewindow frame 1216 to cover theopening 1242 by releasable engagement of the peripheral edge of thepatch 1244 in thetrack 1258. Thepatch 1244 is best seen inFIGS. 33 and 34 and is similar to thepatch 1144. Thepatch 1244 has a size and configuration for the peripheral edge of the patch to be releasably captured in thetrack 1258 as shown inFIG. 34 such that thewindow frame 1216 itself serves as the securing device for the patch. Engagement of the peripheral edge of thepatch 1244 in thetrack 1258 can be facilitated by providing thepatch 1244 with the capability to resiliently flex or bend. -
FIG. 35 depicts arelease element 1245 applied to the inner margin of theperipheral frame member 1217 and to theperipheral side wall 1227, seen inFIGS. 33 and 34 , between thepatch 1244 and theperipheral frame member 1217. Therelease element 1245 is similar to therelease element 1145 and, as described forrelease element 1145, may be applied to other surfaces of or around thewindow structure 1112. -
FIG. 35 also illustrates analternative shield device 1266 that is designed to be removable from the body of unifying material and does not form part of the ported stabilized window structure. Theshield device 1266 includes ashield body 1267 that may be similar to shieldbody 1167, but the exterior surface of theshield body 1267 may be coated with or made of a material to prevent it from bonding to the unifying material. Alternatively, theshield body 1267 may be removable from the body of unifying material by timing its removal to occur after the unifying material has hardened sufficiently to hold its shape but before the unifying material has had a chance to form a permanent bond with the shield body. As another alternative, theshield body 1267 could be removed by cutting it out of the cohesive mass after the body of unifying material has solidified. Theshield body 1267 is of solid construction but could be hollow as described forshield body 1167. The abutment end forshield body 1267, which is not visible inFIG. 35 due to theunifying material 1220 being applied around theshield body 1267, thusly includes a solid planar surface for being placed in close contact with the surface ofpatch 1244. Thesecond end 1269 of theshield body 1267 is defined by a solid surface having ahandle 1274 attached thereto. Theshield body 1267 also differs from theshield body 1167 in that theshield body 1267 has a square cross sectional configuration between itsends 1268 and 1269. - In a method of ported stabilization of the
window structure 1212, the abutment end of theshield body 1267 is placed in contact with the exposed surface area ofpatch 1244 from the interior side of thewindow structure 1212 to cover or shield a segment of the exposed surface area as described above forwindow structure 1112. Theopening 1242 circumscribed by thewindow frame 1116 presents a vacant space around theshield body 1267 as described above for thewindow structure 1112. Theunifying material 1220 is supplied to the vacant space over thepatch 1244 to a desired depth within the boundary of theperipheral side wall 1227 as described above forwindow structure 1112. When theunifying material 1220 is supplied to the vacant space around theshield body 1267, the abutment end of theshield body 1267 in contact with the surface of thepatch 1244 ensures that the shielded segment of thepatch 1244 that is covered by the abutment end remains free or substantially free of theunifying material 1220 as described above forwindow structure 1112.FIG. 35 shows abody 1221 of theunifying material 1220 filling the space around theshield body 1267 to a depth about level with theperipheral frame member 1217. Theshield body 1267 is removed from the body of unifying material using thehandle 1274 to pull theshield body 1267 away from thepatch 1244 and thewindow structure 1212. As shown inFIG. 36 , removal of theshield body 1267 leaves or exposes apassage 1276 through the entire depth of thebody 1221 ofunifying material 1220 in the place vacated by the shield body. Thepassage 1276 is aligned or in communication with the shieldedsegment 1275 of thepatch 1244 and is closed by thepatch 1244 along the exterior side of thewindow structure 1212. As described for the ported stabilizedwindow structure 1112, the shieldedsegment 1275 ofpatch 1244 and thepassage 1276 in thebody 1221 ofunifying material 1220 form aport 1277 in thecohesive mass 1224 of the ported stabilizedwindow structure 1212 to provide light transmission and/or visualization between the exterior and interior sides of the window structure. - In the
shield devices -
FIG. 37 illustrates an example where apatch 1344 is secured to awindow frame 1316 ofwindow structure 1312 to coveropening 1342 as previously described forwindow structure 1212. However, theshield device 1366 used for ported stabilization ofwindow structure 1312 includes aremovable mask 1378 that is removably secured on the shielded segment of the exposed surface area ofpatch 1344 that is intended to be maintained free or substantially free of the unifying material. Themask 1378 may be the same or similar to any of the release elements described hereinabove. Themask 1378 serves as a barrier to protect the shielded segment from the application of unifying material, while unifying material applied over the mask may be permitted to permanently or substantially permanently bond to the mask. The unifying material may then be applied by the user to the vacant space around themask 1378 as a body of unifying material of desired depth, while avoiding application of the unifying material over the mask, so that a passage is formed in the body of unifying material over the mask. Themask 1378 can then be removed from thepatch 1344, such as by peeling the mask away from the patch, to reveal or expose the shielded segment of thepatch 1344 and form a port in the cohesive mass. Any overspray of the unifying material on themask 1378 is removed along with the mask. The ported stabilized window structure obtained by this procedure will be like that depicted inFIG. 38 , except that the sides of thepassage 1376 formed in the body ofunifying material 1321 are likely to be more irregular. -
FIG. 38 depicts a modification of the ported stabilization described for thewindow structure 1312 in that theunifying material 1320 is applied around and over themask 1378 without attempting to control the pattern of application of the unifying material to form a passage in thebody 1321 ofunifying material 1320. Theunifying material 1320 applied over themask 1378 is allowed to bond to themask 1378. Once thebody 1321 ofunifying material 1320 has hardened, solidified or cured sufficiently, asection 1380 of the body of unifying material over themask 1378 is removed, and the mask is removed therewith, to form aport 1377 in thecohesive mass 1324. Thesection 1380 can be cut out of the body of unifying material that remains as part of thecohesive mass 1324 and can be removed as one or more pieces. Removal ofsection 1380 forms thepassage 1376 in the body of unifying material and removal of themask 1378 exposes the shielded segment of the patch that themask 1378 maintained free or substantially free of the unifying material. -
FIG. 39 illustrates a modification to ported stabilization of a window structure that can be applied to any of the methods of ported stabilization described above.FIG. 39 shows awindow structure 1412 in the course of being stabilized in a manner similar to that described forwindow structure 1112. However,FIG. 39 shows thebody 1421 ofunifying material 1420 applied over thepatch 1445 to a depth that is even or flush, or substantially even or flush, with theperipheral frame member 1417. Theend 1469 of theshield body 1467 is also even or flush, or substantially even or flush, with theperipheral frame member 1417. Thepatch 1445 to which theunifying material 1420 has been applied is a first patch, and the modification represented byFIG. 39 involves the use of asecond patch 1482 for being placed over the surface of thebody 1421 ofunifying material 1420 opposite thefirst patch 1445 so that the body of unifying material is sandwiched between the first and second patches. Thepatch 1482 may be similar to thepatch 1445 and may have a size and configuration to cover theend 1469 of theshield body 1467 and the entire or substantially entire surface ofbody 1421. Thepatch 1482 can have a size and configuration in order for a peripheral edge or border of thepatch 1482 to be releasably secured in overlapping relation with theperipheral frame member 1417. Alternatively or in addition to securement of thepatch 1482 to theperipheral frame member 1417, thepatch 1482 can be placed in contact with thebody 1421 ofunifying material 1420 while the unifying material is still in an adhesive state so that thepatch 1482 will bond permanently or essentially permanently to the body of unifying material and become part of thecohesive mass 1424. Thepatch 1482 may thusly close off theopen end 1469 of theshield body 1467 and may thusly comprise part of theport 1477, with thepatch 1482 permitting visualization and/or light transmission therethrough. - The present invention may be used to stabilize and/or to remove glass or panes from windows, walls, doors or any other architectural component in buildings, vehicles and any other fabrications or constructions. The present invention may be used on planar and non-planar panes of various types. In accordance with the present invention, a shattered, broken or cracked window pane is bonded with a layer of unifying material into one or more cohesive, integral masses which can be controllably removed from a window frame as one or more integral and unitary pieces. The layer of unifying material quickly bonds or adheres to the window pane, such that the window pane is stabilized and may be removed shortly after the layer of unifying material is applied. The relatively quick cure time for the unifying material makes the present invention particularly well suited for stabilizing and/or removing window panes in time critical situations. Holes, openings or voids in window panes can be covered and sealed in accordance with the present invention, with or without the use of a patch. However, a patch may be useful for closing off and sealing relatively large holes which would be difficult to fill with the unifying material alone, as in the case of window structures in which all or substantially all of the glass is missing therefrom. The layer of unifying material may be pre-formed or may be formed in situ as a result of applying the unifying material to the window structure. The layer of unifying material is resistant to environmental elements and, if desired, may be safely left in place for some time after application to the window structure. Where adhesives are utilized in accordance with the present invention, the unifying material can be used as the adhesive.
- Removal of a window pane or glass in accordance with the present invention ensures that fragments of the window pane or glass are removed as part of a cohesive mass and are not separated or scattered during removal and disposal. Accordingly, the need to collect and dispose of any scattered pieces of the window pane is eliminated. Even where the cohesive mass is removed as a plurality of relatively large pieces, the pieces are not injurious due to their large size and the protection provided by the layer of unifying material. Shattered window panes can be removed as a plurality of cohesive masses using pre-existing cracks in the panes to define or demarcate the cohesive masses. A shattered window pane can be handled as if it were one or a few relatively large, solid pieces and may be handled as if it was not shattered. In addition, handling of the cohesive mass or masses can be further facilitated with the use of grasping members. The present invention also allows shards to be removed from a track of a window structure as part of a cohesive mass, thereby avoiding the tedious and dangerous process of picking the shards out of the track individually. The stabilized window structures and methods of the present invention save time, money, labor and materials, and provide enhanced versatility for users to self-customize for particular applications. The present invention fulfills many previously unmet needs of glass professionals, do-it-yourself users, property owners, builders, construction workers and fire, police and medical personnel.
- Inasmuch as the present invention is subject to various modifications and additions, the preferred embodiments are intended to be exemplary only and not limiting since various modifications, variations and changes can be made thereto without departing from the scope of the invention as defined by the appended claims.
Claims (20)
1. A ported stabilized window structure, comprising
a window structure having a window frame circumscribing an opening devoid of glass; a patch removably secured to said window structure to cover said opening and presenting an exposed surface area within said opening, said patch being made of a material permitting light transmission therethrough;
a body of unifying material bonded to said exposed surface area of said patch around a segment of said exposed surface area that is maintained free of said unifying material, said body of unifying material having a passage therethrough in communication with said segment of said exposed surface area, said body of unifying material and said sheet bonded thereto forming a cohesive mass; and
a port in said cohesive mass formed by said passage and by said segment of said exposed surface area to provide light transmission through said cohesive mass.
2. The ported stabilized window structure recited in claim 1 wherein said patch is made of a material permitting visualization therethrough and said port provides visualization through said cohesive mass.
3. The ported stabilized window structure recited in claim 1 wherein said patch is releasably adhesively secured to said window structure to cover said opening.
4. The ported stabilized window structure recited in claim 1 and further including a securing device releasably securing said patch to said window structure to cover said opening.
5. The ported stabilized window structure recited in claim 1 wherein said window structure includes a track extending around said opening and said patch is releasably secured in said track to cover said opening.
6. The ported stabilized window structure recited in claim 1 wherein said unifying material is a polymeric foam.
7. The ported stabilized window structure recited in claim 6 wherein said unifying material is applied to said exposed surface area of said patch in fluidic form and thereafter solidifies to form said cohesive mass.
8. The ported stabilized window structure recited in claim 7 and further including a release element releasably secured on a surface of said window structure to be protected from the application of said unifying material.
9. The ported stabilized window structure recited in claim 1 wherein said window structure has an exterior side and an interior side, said patch being disposed along said exterior side and said body of unifying material being disposed along said interior side.
10. The ported stabilized window structure recited in claim 1 and further including a shield device comprising a shield body having an interior and an open abutment end in communication with said interior, said shield body being bonded to said body of unifying material as part of said cohesive mass with said abutment end disposed over said segment of said exposed surface area of said patch, said passage being formed by said interior of said shield body.
11. The ported stabilized window structure recited in claim 10 wherein said shield body has an open end opposite said abutment end in communication with said interior.
12. The ported stabilized window structure recited in claim 1 wherein said patch is a first patch and further including a second patch disposed over said body of unifying material with said body of unifying material sandwiched between said first patch and said second patch.
13. The ported stabilized window structure recited in claim 12 wherein said second patch is bonded to said body of unifying material as part of said cohesive mass.
14. A system for ported stabilization of a window structure having a window frame circumscribing an opening devoid of glass, said system comprising
a sheet of material for being secured on the window structure to cover the opening and present an exposed surface area within the opening, said material permitting light transmission therethrough;
a supply of a fluidic unifying material for being applied to the exposed surface area of said sheet as a body of unifying material, said unifying material solidifying after application to bond to said sheet and form a cohesive mass; and
a shield device for being disposed over a segment of the exposed surface area of said sheet to shield the segment from application of said unifying material to form a port in the cohesive mass including the shielded segment and a passage in the body of unifying material to provide light transmission through the cohesive mass.
15. The system for recited in claim 14 wherein said material of said sheet permits visualization therethrough and the port provides visualization through the cohesive mass.
16. The system recited in claim 14 wherein said shield device includes a shield body for being placed in contact with said sheet for application of said unifying material around said shield body, said shield body being removable from the body of unifying material to form the passage in the body of unifying material in the place vacated by said shield body and to reveal the shielded segment of said sheet.
17. The system recited in claim 14 wherein said shield device includes a shield body for being placed in contact with said sheet for application of said unifying material around said shield body, said shield body being bondable to said unifying material as part of the cohesive mass, said shield body having an interior, an open abutment end in communication with said interior for being placed over the segment of the exposed surface area of said sheet, and having an end opposite said abutment end providing light transmission therethrough, said interior of said shield body forming the passage in the body of unifying material.
18. The system recited in claim 14 wherein said shield device includes a mask for being removably disposed on said sheet for application of said unifying material around said mask to form the passage in the body of unifying material, said mask being removable from said sheet to reveal the shielded segment of said sheet.
19. The system recited in claim 14 wherein said shield device includes a mask for being removably disposed on said sheet for application of said unifying material over and around said mask, said mask being removable from said sheet along with a section of the body of unifying material to reveal the shielded segment of said sheet and form the passage in the body of unifying material in the place vacated by the removed section.
20. A method for ported stabilization of a window structure having a window frame circumscribing an opening devoid of glass, said method comprising the steps of
securing a light transmissible patch on the window structure to cover the opening and present an exposed surface area within the opening;
shielding a segment of the exposed surface area;
applying a body of unifying material of fluidic polymeric foam to the exposed surface area of the sheet around the shielded segment to form a passage in the body of unifying material in communication with the shielded segment;
allowing the fluidic polymeric foam to solidify and bond to the sheet to form a cohesive mass; and
providing light transmission through the cohesive mass via a port formed by the passage and by the shielded segment of the exposed surface area.
Priority Applications (1)
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US11/508,344 US20060283124A1 (en) | 2001-08-03 | 2006-08-23 | Ported stabilized window structures and systems and methods for ported stabilization of window structures |
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US09/920,750 US20030024178A1 (en) | 2001-08-03 | 2001-08-03 | Stabilized window structures and methods for stabilizing and removing shattered window panes |
US10/059,272 US7134244B2 (en) | 2001-08-03 | 2002-01-31 | Stabilized window structures and methods of stabilizing and removing shattered glass from window structures |
US11/508,344 US20060283124A1 (en) | 2001-08-03 | 2006-08-23 | Ported stabilized window structures and systems and methods for ported stabilization of window structures |
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US10/059,272 Continuation-In-Part US7134244B2 (en) | 2001-08-03 | 2002-01-31 | Stabilized window structures and methods of stabilizing and removing shattered glass from window structures |
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US10/961,063 Expired - Fee Related US7127866B2 (en) | 2001-08-03 | 2004-10-12 | Method of removing shattered glass panes divided by cracks into separate pane sections |
US10/961,087 Expired - Fee Related US7231747B2 (en) | 2001-08-03 | 2004-10-12 | Method of removing one or more shards from the track of a frame |
US10/961,065 Expired - Fee Related US7249444B2 (en) | 2001-08-03 | 2004-10-12 | Stabilized window structure and method of stabilizing window structures entirely or substantially entirely devoid of glass |
US11/508,344 Abandoned US20060283124A1 (en) | 2001-08-03 | 2006-08-23 | Ported stabilized window structures and systems and methods for ported stabilization of window structures |
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US10/059,272 Expired - Fee Related US7134244B2 (en) | 2001-08-03 | 2002-01-31 | Stabilized window structures and methods of stabilizing and removing shattered glass from window structures |
US10/961,063 Expired - Fee Related US7127866B2 (en) | 2001-08-03 | 2004-10-12 | Method of removing shattered glass panes divided by cracks into separate pane sections |
US10/961,087 Expired - Fee Related US7231747B2 (en) | 2001-08-03 | 2004-10-12 | Method of removing one or more shards from the track of a frame |
US10/961,065 Expired - Fee Related US7249444B2 (en) | 2001-08-03 | 2004-10-12 | Stabilized window structure and method of stabilizing window structures entirely or substantially entirely devoid of glass |
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Also Published As
Publication number | Publication date |
---|---|
EP1417392A1 (en) | 2004-05-12 |
US20050076587A1 (en) | 2005-04-14 |
US20030024197A1 (en) | 2003-02-06 |
US7249444B2 (en) | 2007-07-31 |
US7127866B2 (en) | 2006-10-31 |
CA2456305A1 (en) | 2003-02-20 |
US7134244B2 (en) | 2006-11-14 |
WO2003014512A1 (en) | 2003-02-20 |
US20050081483A1 (en) | 2005-04-21 |
US7231747B2 (en) | 2007-06-19 |
US20050081464A1 (en) | 2005-04-21 |
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Owner name: ARAMAR GLASS TECH, LLC, FLORIDA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DIAMOND, JEFFREY H.;REEL/FRAME:018234/0840 Effective date: 20060807 |
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STCB | Information on status: application discontinuation |
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