US20090217615A1 - Joint guard for panels - Google Patents
Joint guard for panels Download PDFInfo
- Publication number
- US20090217615A1 US20090217615A1 US12/278,274 US27827407A US2009217615A1 US 20090217615 A1 US20090217615 A1 US 20090217615A1 US 27827407 A US27827407 A US 27827407A US 2009217615 A1 US2009217615 A1 US 2009217615A1
- Authority
- US
- United States
- Prior art keywords
- joint
- edge
- joint guard
- guard
- tongue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/541—Joints substantially without separate connecting elements, e.g. jointing by inter-engagement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02005—Construction of joints, e.g. dividing strips
- E04F15/02022—Construction of joints, e.g. dividing strips with means for aligning the outer surfaces of the flooring elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/22—Implements for finishing work on buildings for laying flooring of single elements, e.g. flooring cramps ; flexible webs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
- E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
- E04F2201/0115—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
- E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
- E04F2201/0153—Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
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- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F2201/0535—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted for snap locking
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F2201/0547—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted to be moved perpendicular to the joint edge
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F2201/0552—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted to be rotated around an axis parallel to the joint edge
Definitions
- the present invention relates to a joint guard used when cutting panels.
- Prefabricated floor boards provided with tongue and groove at the edges are quite common nowadays. These can be installed by the average handy man as they are very easy to install.
- Such floors can, for example, be constituted of solid wood, fiber board or particle board. These are most often provided with a surface layer such as lacquer, or some kind of laminate.
- the boards are most often installed by being glued via tongue and groove.
- the most common types of tongue and groove are however burdened with the disadvantage to form gaps of varying width between the floor boards in cases where the installer hasn't been thorough enough. Dirt will easily collect in such gaps. Moisture will furthermore enter the gaps which will cause the core to expand in cases where it is made of wood, fiber board or particle board, which usually is the case.
- the present invention relates to a joint guard intended to be used in connection to the installation of floor panels.
- the present invention is characterized in that the joint guard is provided with means for protecting and stabilizing portions of the edge region of a panel. These portions are selected from the group consisting of: a distal edge, a downwards protruding heel, a upper joint edge, a groove, a lower cheek, a distal end, an upwards protruding lower cheek heel, an upper joining edge, an undercut, a moveable locking element, a locking tongue, a locking tongue leg, a maneuvering leg and a face section.
- the joint guard is provided with a locking tongue stopper.
- the locking tongue stopper is intended to ensure that the moveable locking element is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw during the cutting operation.
- the joint guard is provided with a locking tongue leg support and a maneuvering leg support.
- the locking tongue leg support and maneuvering leg support is intended to ensure that the moveable locking element and maneuvering leg is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw during the cutting operation.
- the joint guard is provided with a locking tongue leg support and a face section support.
- the locking tongue leg support and a face section support is intended to ensure that the locking tongue leg and a face section is kept from getting caught in the teeth of the saw and thereby deformed during the cutting operation.
- thermoplastic material a metal
- thermosetting material wood, wood fiber and wood particles.
- the invention also relates to a joint guard provided with means for protecting and stabilizing portions in the edge region of a panel.
- the portions are selected from the group consisting of: a tongue, a rear groove, a lower cheek, a distal end, an inner locking groove, a tongue groove, a locking member surface, a moveable locking member, an inner locking tongue, a maneuvering cheek and an outer locking tongue.
- the joint guard is provided with a maneuvering cheek support.
- the maneuvering cheek support is intended to ensure that the moveable locking element is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw during the cutting operation.
- the joint guard is provided with a outer locking tongue support.
- the outer locking tongue support is intended to ensure that the moveable locking element is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw and deformed during the cutting operation.
- the moveable locking element may be applied on either the groove portion, or the tongue portion of a joint.
- the joint guard is suitably provided with a tongue engaging groove for ensuring a correct positioning.
- thermoplastic material a metal
- thermosetting material wood, wood fiber and wood particles.
- the joint guard according to the present invention is primarily used during cutting of panels and is then applied to the edge very much like another panel would be.
- the biggest difference between another panel and the joint guard is that the joint guard is designed not to engage or activate the different locking mechanisms of the panel edge.
- the joint guard is therefore designed to hold the locking mechanism in place without activating it.
- the joint guard is furthermore so designed as to not cause any substantial wear or deformation on functional parts such as locking edges and the like on embodiments herein described as well as on embodiment disclosed by reference.
- the joint guard is then applied on the edge of the panel to be cut and the cutting may commence. The cutting is either performed through the joint guard or using the joint guard as a ruler. It is however advantageous to arrange the joint guard on the portion of the panel that is to be used in the installation.
- the joint guard is advantageously also used as a tapping block during the installation of floor panels.
- the joint guard may serve as tool for returning moveable locking elements to default position in case these by accident is out of the pre-assembly position.
- Floor panel joint may be designed in different ways, as for example as known through WO 94/26999, WO 97/47834 and WO 03/083234. It is also possible to provide the joint with a resilient joining member made as a separate piece which is joined with the edge of the panel. Such joints is known through WO 00/47841 and WO 2005/054599. Also herein disclosed embodiments of joints serve as examples of joints which benefit from being protected during cutting.
- a joint has a first edge and a second edge.
- the first edge is provided with a distal edge and a downwards protruding heel.
- the distal edge is further provided with an upper joint edge beneath which a groove is arranged.
- the second edge is provided with lower cheek having a distal end at which an upwards protruding lower cheek heel is arranged.
- the second edge is further provided with an upper joining edge beneath which an undercut is arranged.
- a moveable locking element is arranged in the space created by the undercut.
- the moveable locking element has a locking tongue, a locking tongue leg and a maneuvering leg.
- the second edge is intended to join with the first edge through vertical motion.
- the moveable locking element or more precisely the locking tongue of the locking element, will be displaced by the vertical motion when the two edges are moved towards each other.
- the displacement can be seen as a rotation where the locking tongue is brought to rotate around a selected pivot point. Resilient action may also realize this rotating action.
- the downwards protruding heel presses on the maneuvering leg, thereby urging the locking tongue to move forward and engage the groove.
- An upper locking surface of the locking tongue is suitably longer than the portion of the locking tongue that can engage the groove.
- the lower cheek heel suitably have a front face and that the downwards protruding heel have a rear face.
- the front face and the rear face are then preferably intended to interact, the interaction resulting in the upper joint edge and the upper joining edge being urged together in an assembled joint.
- the lower cheek heel suitably have a front face and the downwards protruding heel have a rear face while the maneuvering leg have a face section.
- the front face and the rear face are then preferably intended to interact, having the face section in an intermediate position, the interaction resulting in the upper joint edge and the upper joining edge being urged together in an assembled joint.
- the locking element is provided with a hinge. This will allow a snap-action cam lock effect.
- a moveable locking element may suitably he made through extrusion molding and it can be made of thermoplastic material, thermosetting material or even of metal.
- the joint have a first edge and a second edge where the first edge is provided with a tongue and a rear groove.
- the second edge is provided with a lower cheek having a distal end, an inner locking groove, a tongue groove and a locking member surface.
- the moveable locking member is arranged on the locking member surface.
- the moveable locking member have an inner locking tongue, a maneuvering cheek and an outer locking tongue.
- the second edge is intended to join with the first edge through horizontal motion.
- a maneuvering area beneath the tongue press on the maneuvering cheek urging the inner locking tongue to move downwards and engage the inner locking groove.
- the maneuvering area beneath the tongue suitably press on the maneuvering cheek also urging the outer locking tongue to move upwards and engage the rear groove.
- a moveable locking element like herein described may suitably be made through extrusion molding and it can be made of thermoplastic material, thermosetting material, a composite material or even of metal.
- a floor panel includes a core which is covered with an upper decorative surface.
- the core most often consists of wood particles or fiber bonded together with glue or resin.
- Such core boards are commonly known as Medium Density Fiber board (MDF), High Density Fiber board (HDF), Oriented Strand Board (OSB) or particle board. It is, however, also possible to utilize the embodiments on cores made of solid wood. Since wood based core materials are sensitive to moisture it may be advantageous to treat the area closest to the joint if the floor is to be exposed to moisture. This treatment may suitably include resin, wax or some kind of lacquer.
- the decorative upper surface may consist of a decorative paper possibly impregnated with melamine-formaldehyde resin.
- a decorative paper possibly impregnated with melamine-formaldehyde resin.
- One or more layers of so called overlay paper of cellulose, impregnated with melaimine-formaldehyde resin is suitably placed on top of the decorative paper.
- One or more of the above layers may be sprinkled with hard particles, of for example aluminum oxide, silicon carbide or silicon oxide in connection to the impregnation in order to improve the abrasion resistance.
- the paper impregnated with resin is cured before, or in connection to applying it to the core.
- the paper layers are suitably laminated together before they are applied to the core in cases where the upper decorative surface is constituted by more than one paper layers.
- the lower side may suitably be coated with a lacquer or a resin impregnated paper. It is also possible to arrange an impregnated support paper between the decor and the core.
- joints are well suited for other materials as well. It is for example possible to use the joints on cores made of mineral based materials such as stone like marble, granite, slate, diabase, sandstone, limestone and the like,—but also ceramic, ceramic-like or composite materials like brick, concrete, fiber cement, glazed and non-glazed ceramic tiles. Some of these materials may be polished as the only surface treatment, while glazing, painting or oil treatment is an example of other surface treatments possible to utilize on above mentioned core materials. It is of course also possible, as described together with wood based core materials, to arrange thermosetting laminates including at least a decorative paper impregnated with melamine-formaldehyde resin. Overlay paper and hard particles may be added to this as described earlier in the present application.
- the upper decorative surface may also be constituted by an acrylic foil, an acrylic lacquer and combinations thereof. It might also be constituted by a foil or a lacquer of polyolefins or polyolefin derivatives.
- FIG. 1 a - b shows a first embodiment of a joint 1 .
- FIG. 2 a - b shows a second embodiment of a joint 1 .
- FIG. 3 a - b shows a third embodiment of a joint 1 .
- FIG. 4 a - b shows a fourth embodiment of a joint 1 .
- FIG. 5 a - b shows a fifth embodiment of a joint 1 .
- FIG. 6 a - b shows a sixth embodiment of a joint 1 .
- FIG. 6 c shows an alternative version of the sixth embodiment shown in FIG. 6 a - b of a joint 1 .
- FIG. 7 a - b shows a seventh embodiment of a joint 1 .
- FIG. 8 a - b shows a eighth embodiment of a joint 1 .
- FIG. 9 shows a ninth embodiment of a joint 1 .
- FIG. 10 a - b shows a tenth embodiment of a joint 1 .
- FIG. 11 shows a first embodiment of a joint guard 100 according to the invention.
- FIG. 12 shows a second embodiment of a joint guard 100 according to the invention.
- FIG. 13 shows a third embodiment of a joint guard 100 according to the invention.
- FIG. 14 shows a fourth embodiment of a joint guard 100 according to the invention.
- FIG. 15 shows a fifth embodiment of a joint guard 100 according to the invention.
- FIG. 16 shows a sixth embodiment of a joint guard 100 according to the invention.
- FIG. 17 shows a seventh embodiment of a joint guard 100 according to the invention.
- FIG. 18 shows a eighth embodiment of a joint guard 100 according to the invention.
- FIG. 19 shows a variation of the fourth embodiment, shown in FIG. 14 , of a joint guard 100 according to the invention.
- FIG. 20 shows a another variation of the fourth embodiment, shown in FIG. 14 , of a joint guard 100 according to the invention.
- FIG. 21 shows a variation of the eighth embodiment, shown in FIG. 18 , of a joint guard 100 according to the invention.
- FIG. 22 shows a another variation of the eighth embodiment, shown in FIG. 18 , of a joint guard 100 according to the invention.
- FIG. 1 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a first embodiment.
- FIG. 1 a shows the joint 1 just before the joining and
- FIG. 1 b shows the joint 1 after assembly.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which a groove 23 is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- the downwards protruding heel 22 hereby presses on the maneuvering leg 43 urging the locking tongue 41 to move forward and engage the groove 23 .
- an upper locking surface 410 of the locking tongue 41 is longer than the portion of the locking tongue 41 that can engage the groove 23 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the front face 36 and the rear face 26 are intended to interact which is resulting in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- FIG. 2 a - b shows, in cross-section, a joint 1 having a first edge 2 and a second edge 3 according to a second embodiment.
- FIG. 2 a shows the joint 1 just before the joining and
- FIG. 2 b shows the joint 1 after assembly.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which a groove 23 is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- the maneuvering leg 43 is here extended to increase the locking force.
- the downwards protruding heel 22 hereby presses on the maneuvering leg 43 urging the locking tongue 41 to move forward and engage the groove 23 .
- an upper locking surface 410 of the locking tongue 41 is longer than the portion of the locking tongue 41 that can engage the groove 23 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the front face 36 and the rear face 26 are intended to interact which is resulting in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- FIG. 3 a - b shows, in cross-section, a joint 1 having a first edge 2 and a second edge 3 according to a third embodiment.
- FIG. 3 a shows the joint 1 just before the joining and
- FIG. 3 b shows the joint 1 after assembly.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which a groove 23 is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- the maneuvering leg 43 is here extended further to increase the locking force.
- the downwards protruding heel 22 hereby presses on the maneuvering leg 43 urging the locking tongue 41 to move forward and engage the groove 23 .
- an upper locking surface 410 of the locking tongue 41 is longer than the portion of the locking tongue 41 that can engage the groove 23 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 and the maneuvering leg have a face section 430 .
- the front face 36 and the rear face 26 are intended to interact, having the face section 430 in an intermediate position. The interaction results in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- FIG. 4 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a fourth, embodiment.
- FIG. 4 a shows the joint 1 just before the joining and
- FIG. 4 b shows the joint 1 after assembly.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which a groove 23 is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- the maneuvering leg 43 is provided with a hinge which allows a cam lock effect.
- the downwards protruding heel 22 hereby presses on the maneuvering leg 43 urging the locking tongue 41 to move forward and engage the groove 23 .
- an upper locking surface 430 of the locking tongue 41 is longer than the portion of the locking tongue 41 that can engage the groove 23 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the front face 36 and the rear face 26 are intended to interact which is resulting in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- FIG. 5 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a fifth embodiment.
- FIG. 5 a shows the joint 1 just before the joining and
- FIG. 5 b shows the joint 1 after assembly.
- the fifth embodiment is an alternative embodiment.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which a groove 23 is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- a front surface 22 I of the downwards protruding heel 22 hereby presses on the maneuvering leg 43 urging the bent maneuvering leg 43 to straighten whereby the locking tongue 41 moves forward and engage the groove 23 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the front face 36 and the rear face 26 are intended to interact which is resulting in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- FIG. 6 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a sixth.
- FIG. 6 a shows the joint 1 just before the joining and
- FIG. 6 b shows the joint 1 after assembly.
- FIG. 6 c shows an alternative embodiment of the embodiment shown in FIG. 6 a - b.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which a groove 23 is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the moveable locking element 40 is further provided with a pivot groove 43 I .
- the lower cheek 31 is provided with a pivot edge 31 I .
- the pivot groove 43 I and the pivot edge 31 I are intended to interact.
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- a front surface 22 I of the downwards protruding heel 22 hereby presses on the maneuvering leg 43 urging the maneuvering leg 43 to tilt with the pivot edge 31 I as an axis of rotation whereby the locking tongue 41 moves forward and engage the groove 23 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the front face 36 and the rear face 26 are intended to interact which is resulting in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- the lower cheek 31 , the downwards protruding heal 22 and the maneuvering leg 43 are further designed so that the outermost portion of the maneuvering leg 43 is held in place by the downwards protruding heal 22 and the lower cheek 31 when the joint is assembled.
- FIG. 6 c mainly correspond to FIG. 6 a - b above.
- the upper portion of the lower cheek 31 containing lower cheek heal 33 , front face 36 and pivot edge 31 I is, however made of a separate material which is joined with the core material with for example glue. It is, however also possible to attach this portion by nailing, prizing or snapping it into position.
- FIG. 7 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a seventh embodiment.
- FIG. 7 a shows the joint 1 just before the joining and
- FIG. 7 b shows the joint 1 after assembly.
- the seventh embodiment is an alternative embodiment where the joint is assembled through horizontal motion.
- the joint 1 have a first edge 2 and a second edge 3 wherein the first edge 2 is provided with a tongue 50 and a rear groove 51 .
- the second edge 3 is provided with a lower cheek 61 having a distal end 62 . an inner locking groove 63 , a tongue groove 64 and a locking member surface 65 .
- a moveable locking member 70 is arranged on the locking member surface 65 .
- the moveable locking member 70 have an inner locking tongue 71 , a maneuvering cheek 72 and an outer locking tongue 73 .
- the second edge 3 is intended to join with the first edge 2 through horizontal motion according to this, seventh embodiment.
- a maneuvering area 52 beneath the tongue 50 presses on the maneuvering cheek 72 urging the inner locking tongue 71 to move downwards and engage the inner locking groove 63 .
- the outer locking tongue 72 will move upwards and engage the rear groove 51 .
- FIG. 8 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a eighth embodiment.
- FIG. 8 a shows the joint 1 just before the joining and
- FIG. 8 b shows the joint 1 after assembly.
- the eighth embodiment is an alternative embodiment where the joint is assembled through horizontal motion.
- the joint 1 have a first edge 2 and a second edge 3 wherein the first edge 2 is provided with a tongue 50 and a rear depression 53 .
- the second edge 5 is provided with a lower cheek 61 having a distal end 62 , an inner locking groove 63 and a tongue groove 64 .
- a moveable locking member 70 is arranged on first edge 2 .
- the moveable locking member 70 have a maneuvering cheek 72 and an outer locking tongue 73 .
- the second edge 3 is intended to join with the first edge 2 through horizontal motion according to this, eighth embodiment.
- the outer locking tongue 73 is urged upwards into the rear depression 53 during the assembly. It will then snap down into engagement with inner locking groove 63 once in the fully assembled position.
- FIG. 9 shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a ninth embodiment.
- FIG. 9 shows the joint 1 just before the joining.
- the ninth embodiment is an alternative embodiment where the joint is assembled through horizontal motion.
- the joint 1 have a first edge 2 and a second edge 3 wherein the first edge 2 is provided with a tongue 50 and a rear groove 51 .
- the second edge 3 is provided with a lower cheek 61 having a distal end 62 , a inner locking groove 63 and a tongue groove 64 .
- a moveable locking member 70 is arranged on the first edge 2 .
- the moveable locking member 70 have an inner locking tongue 71 , a maneuvering cheek 72 and an outer locking tongue 73 .
- the second edge 3 is intended to join with the first edge 2 through horizontal motion according to this, ninth embodiment.
- the outer locking tongue 73 and the inner locking tongue 71 are urged upwards during the assembly.
- the outer locking tongue 73 will then snap down into engagement with inner locking groove 63 once in the fully assembled position.
- FIG. 10 a - b shows in cross-section a joint 1 having a first edge 2 and a second edge 3 according to a tenth embodiment.
- FIG. 10 a shows the joint 1 just before the joining and
- FIG. 10 b shows the joint 1 after assembly.
- the first edge 2 is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which an undercut space 23 I is arranged.
- the second edge 3 is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut space 23 I .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 also acting as a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 through vertical motion.
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 .
- the lower cheek heel 33 have a front face 36 while the downwards protruding heel 22 have a rear face 26 and the moveable locking element 40 have a face section 430 .
- the front face 36 and the rear face 26 are intended to interact, having a face section 430 in an intermediate position. The interaction results in the upper joint edge 25 and the upper joining edge 35 being urged together in an assembled joint 1 .
- the Socking tongue 41 will engage the undercut 34 when the edges 2 and 3 respectively are fully assembled.
- FIG. 11 shows a first embodiment of a joint guard 100 according to the invention
- An edge 3 as shown in FIG. 1 a - b is provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the edge 3 is intended to join with a first edge 2 (see FIG. 1 a - b ) through vertical motion.
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel.
- the portions protected and stabilized are: a lower cheek 31 , a distal end 32 , an upwards protruding lower cheek heel 33 , an upper joining edge 35 , an undercut 34 , a moveable locking element 40 , a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the joint guard 100 is provided with a locking tongue stopper 141 , a locking tongue leg support 142 and a maneuvering leg support 143 .
- the joint guard 100 is suitably made of medium density fiber board (MDF).
- MDF medium density fiber board
- FIG. 12 shows a second embodiment of a joint guard 100 according to the invention.
- An edge 3 as shown in FIG. 3 a - b is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 (see FIG. 3 a - b ) through vertical motion.
- the maneuvering leg 43 is here extended further to increase the locking force.
- the lower cheek heel 33 have a front face 36 and the maneuvering leg 43 have a face section 430 .
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: a lower cheek 31 , a distal end 32 , an upwards protruding lower cheek heel 33 , an upper joining edge 35 , an undercut 34 , a moveable locking element 40 , a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 . Accordingly, the joint guard 100 is provided with a locking tongue stopper 141 , a locking tongue leg support 142 and a maneuvering leg support 143 , The joint guard 100 is suitably made of medium density fiber board (MDF).
- MDF medium density fiber board
- FIG. 13 shows a third embodiment of a joint guard 100 according to the invention.
- An edge 3 as shown in FIG. 3 a - b is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the second edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the second edge 3 is intended to join with the first edge 2 (see FIG. 3 a - b ) through vertical motion.
- the maneuvering leg 43 is here extended further to increase the locking force.
- the lower cheek heel 33 have a front face 36 and the maneuvering leg have a face section 430 .
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: a lower cheek 31 , a distal end 32 , an upwards protruding lower cheek heel 33 , an upper joining edge 35 , an undercut 34 , a moveable locking element 40 , a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 . Accordingly, the joint guard 100 is provided with a locking-tongue stopper 141 and a maneuvering leg support 143 . The distal edge of the maneuvering leg 43 is supported by a vertical surface 142 I .
- the joint guard 100 is suitably made of medium density fiber board (MDF).
- MDF medium density fiber board
- FIG. 14 shows a fourth embodiment of a joint guard 100 according to the invention.
- An edge 3 as shown in FIG. 6 a - b is provided with a lower cheek 31 having a distal end 32 at which an upwards protruding lower cheek heel 33 is arranged.
- the edge 3 is further provided with an upper joining edge 35 beneath which an undercut 34 is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut 34 .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 .
- the moveable locking element 40 is further provided with a pivot groove 43 I .
- the lower cheek 31 is provided with a pivot edge 31 I .
- the pivot groove 43 I and the pivot edge 31 I are intended to interact.
- the second edge 3 is intended to join with the first edge 2 (see FIG. 6 a - b ) through vertical motion.
- the lower cheek heel 33 have a front face 36 .
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: a lower cheek 31 , a distal end 32 , an upwards protruding lower cheek heel 33 , an upper joining edge 35 , an undercut 34 , a moveable locking element 40 , a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 . Accordingly, the joint guard 100 is provided with a locking tongue stopper 141 and a maneuvering leg support 143 .
- the joint guard 100 is suitably made of medium density fiber board (MDF).
- MDF medium density fiber board
- FIG. 15 shows a fifth embodiment of a joint guard 100 according to the invention.
- a second edge 3 as shown in FIG. 7 a - b is provided with a lower cheek 61 having a distal end 62 , an inner locking groove 63 , a tongue groove 64 and a locking member surface 65 .
- a moveable locking member 70 is arranged on the locking member surface 65 .
- the moveable locking member 70 have an inner locking tongue 71 , a maneuvering cheek 72 and an outer locking tongue 73 .
- the second edge 3 is intended to join with the first edge 2 (see FIG. 7 a - b ) through horizontal motion.
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of a panel.
- the joint guard 100 supports, protect and stabilize through means of a maneuvering cheek support 172 , an outer locking tongue support 173 and a groove engaging tongue 164 .
- the joint guard 100 is suitably made of medium density fiber board (MDF).
- FIG. 16 shows a sixth embodiment of a joint guard 100 according to the invention.
- a first edge 2 as shown in FIG. 8 a - b is provided with a tongue 50 and a rear depression 53 .
- a moveable locking member 70 is arranged on first edge 2 .
- the moveable locking member 70 have a maneuvering cheek 72 and an outer locking tongue 73 .
- a second edge 3 (see FIG. 8 a - b ) is intended to join with the first edge 2 through horizontal motion.
- the outer locking tongue 73 is urged upwards into the rear depression 53 during the assembly. It will then snap down into engagement with inner locking groove 63 (see FIG. 8 a - b ) once in the fully assembled position.
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of a panel. These portions are: a moveable locking member 70 , a maneuvering cheek 72 , an outer locking tongue 73 and a tongue 50 .
- the joint guard 100 supports, protect and stabilize through means of a maneuvering cheek support 172 , an outer locking tongue support 173 and a tongue engaging groove 150 . Also the vertical edge portions of the joint is protected.
- the joint guard 100 is suitably made of medium density fiber board (MDF).
- FIG. 17 shows a seventh embodiment of a joint guard 100 according to the invention.
- a first edge 2 as shown in FIG. 10 a - b is provided with a distal edge 21 and a downwards protruding heel 22 .
- the distal edge 21 is further provided with an upper joint edge 25 beneath which an undercut space 23 I is arranged.
- a moveable locking element 40 is arranged in the space created by the undercut space 23 I .
- the moveable locking element 40 have a locking tongue 41 , a locking tongue leg 42 also acting as a maneuvering leg 43 .
- the second edge 3 (see FIG. 10 a - b ) is intended to join with the first edge 2 through vertical motion.
- the downwards protruding heel 22 have a rear face 26 and the moveable locking element 40 have a face section 430 .
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: a distal edge 21 , a downwards protruding heel 22 , an upper joint edge 25 , an undercut space 23 I , a rear face 26 , a moveable locking element 40 , a locking tongue 41 , a locking tongue leg 42 and a maneuvering leg 43 and a face section 430 . Accordingly, the joint guard 100 is provided with a locking tongue stopper 141 , a maneuvering leg support 143 and a face section support 136 . The joint guard 100 is suitably made of medium density fiber board (MDF).
- MDF medium density fiber board
- FIG. 18 shows a eighth embodiment of a joint guard 100 according to the invention.
- a second edge 3 known through WO 94/26999 is provided with a lower cheek 61 having a distal end 62 .
- a bendable locking member 70 is arranged on a second edge 3 .
- the bendable locking member 70 have an outer locking tongue 73 .
- a joint guard 100 is provided with means for protecting and stabilizing portions in the edge region of a panel. These portions are: a lower cheek 61 , a distal end 62 , a a bendable locking member 70 and an outer locking tongue 73 .
- the joint guard 100 supports, protect and stabilize through means of an outer locking tongue support 173 and a groove engaging tongue 164 .
- the basic principle of the joint guard 100 shown in FIG. 18 is also applicable on joints as described in WO 03/083234.
- the joint guard 100 is suitably made of medium density fiber board (MDF).
- MDF medium density fiber board
- FIG. 19 shows a variation of the fourth embodiment, shown in FIG. 14 , of a joint guard 100 according to the invention.
- the joint guard 100 is provided with a locking tongue stopper 141 and a maneuvering leg support 143 as described in FIG. 14 .
- the joint guard 100 according to the alternative embodiment shown in FIG. 19 is further provided with an top surface edge guard 110 intended protect the edge of a top surface laminate during cutting, especially from splitting and separating in the edge region.
- FIG. 20 shows another variation of the fourth embodiment, shown in FIG. 14 , of a joint guard 100 according to the invention.
- the joint guard is further provided with a handle 111 used for holding the joint guard 100 in place during for example cutting.
- the handle 111 is especially useful when using the joint guard 100 as a tapping block.
- FIG. 21 shows a variation of the eighth embodiment, shown in FIG. 18 , of a joint guard 100 according to the invention.
- the joint guard 100 supports, protect and stabilize through means of an outer locking tongue support 173 and a groove engaging tongue 164 .
- the joint guard 100 according to the alternative embodiment shown in FIG. 21 is further provided with an top surface edge guard 110 intended protect the edge of a top surface laminate during cutting, especially from splitting and separating in the edge region.
- the groove engaging tongue 164 is also made more shallow and tapered compared to the embodiment shown in FIG. 18 .
- FIG. 22 shows a another variation of the eighth embodiment, shown in FIG. 18 , of a joint guard 100 according to the invention.
- the joint guard is further provided with a handle 111 used for holding the joint guard 100 in place during for example cutting.
- the handle 111 is especially useful when using the joint guard 100 as a tapping block.
- the groove engaging tongue 164 of FIGS. 18 and 21 is furthermore omitted in the embodiment shown in FIG. 22 .
Abstract
A joint guard (100) provided with means for protecting, and stabilizing portions in the edge region of a panel, said portions being selected from the group consisting of; a distal edge (21), a downwards protruding heel (22), a upper joint edge (25), a groove (23), a lower cheek (31), a distal end (32), an upwards protruding lower cheek heel (33), an upper joining edge (35), an undercut (34), a moveable locking element (40), a locking tongue (41), a locking tongue leg (42) and a maneuvering leg (43).
Description
- 1. Field of the Invention
- The present invention relates to a joint guard used when cutting panels.
- 2. Description of Related Prior Art
- Prefabricated floor boards provided with tongue and groove at the edges are quite common nowadays. These can be installed by the average handy man as they are very easy to install. Such floors can, for example, be constituted of solid wood, fiber board or particle board. These are most often provided with a surface layer such as lacquer, or some kind of laminate. The boards are most often installed by being glued via tongue and groove. The most common types of tongue and groove are however burdened with the disadvantage to form gaps of varying width between the floor boards in cases where the installer hasn't been thorough enough. Dirt will easily collect in such gaps. Moisture will furthermore enter the gaps which will cause the core to expand in cases where it is made of wood, fiber board or particle board, which usually is the case. The expansion will, cause the surface layer to rise closest to the edges of the joint which radically reduces the useful life of the floor since the surface layer will be exposed to an exceptional wear. Different types of tensioning devices, forcing the floor boards together during installation can be used to avoid such gaps. This operation is however more or less awkward. It is therefore desirable to achieve a joint which is self-guiding and thereby automatically finds the correct position. Such a joint would also be possible to utilize in floors where no glue is to be used.
- Different types of joint with mechanical locking have been made available. One such joint is known through WO 94/26999. Here a lower lip is present in the form a thin strip which in selected embodiments is made of thin, aluminum sheets. This is a delicate part which is easily damaged when cutting the panel in connection to the assembly. The same problem applies to some extent on embodiments known through WO 97/47834. The locking parts of these type of floor panels are delicate and easily damaged but once properly installed, are still very strong. It is the object of the present invention to solve the problem connected to the cutting and assembly of these and similar type of floor panels being provided with delicate locking parts.
- It has through the present invention been made protect the delicate edges of panels provided with locking members. Accordingly, the present invention relates to a joint guard intended to be used in connection to the installation of floor panels. The present invention is characterized in that the joint guard is provided with means for protecting and stabilizing portions of the edge region of a panel. These portions are selected from the group consisting of: a distal edge, a downwards protruding heel, a upper joint edge, a groove, a lower cheek, a distal end, an upwards protruding lower cheek heel, an upper joining edge, an undercut, a moveable locking element, a locking tongue, a locking tongue leg, a maneuvering leg and a face section.
- According to one embodiment of the invention the joint guard is provided with a locking tongue stopper. The locking tongue stopper is intended to ensure that the moveable locking element is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw during the cutting operation.
- According to one embodiment of the invention the joint guard is provided with a locking tongue leg support and a maneuvering leg support. The locking tongue leg support and maneuvering leg support is intended to ensure that the moveable locking element and maneuvering leg is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw during the cutting operation.
- According to one embodiment of the invention the joint guard is provided with a locking tongue leg support and a face section support. The locking tongue leg support and a face section support is intended to ensure that the locking tongue leg and a face section is kept from getting caught in the teeth of the saw and thereby deformed during the cutting operation.
- It is possible to make the joint guard from a multitude of different materials such as a thermoplastic material, a metal, a thermosetting material, wood, wood fiber and wood particles.
- The invention also relates to a joint guard provided with means for protecting and stabilizing portions in the edge region of a panel. The portions are selected from the group consisting of: a tongue, a rear groove, a lower cheek, a distal end, an inner locking groove, a tongue groove, a locking member surface, a moveable locking member, an inner locking tongue, a maneuvering cheek and an outer locking tongue.
- According to one embodiment of the invention the joint guard is provided with a maneuvering cheek support. The maneuvering cheek support is intended to ensure that the moveable locking element is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw during the cutting operation.
- According to one embodiment of the invention the joint guard is provided with a outer locking tongue support. The outer locking tongue support is intended to ensure that the moveable locking element is kept in a default position during the milling as well as keeping it from getting caught in the teeth of the saw and deformed during the cutting operation.
- As is understood by the accompanying drawings the moveable locking element may be applied on either the groove portion, or the tongue portion of a joint. In order to ensure a correct positioning of the joint guard on the groove portion provided with a moveable locking element, it is advantageous to provide joint guard with a groove engaging tongue. In cases where the moveable locking element is arranged on the tongue portion, the joint guard is suitably provided with a tongue engaging groove for ensuring a correct positioning.
- It is possible to make the joint guard from a multitude of different materials such as a thermoplastic material, a metal, a thermosetting material, wood, wood fiber and wood particles.
- The joint guard according to the present invention is primarily used during cutting of panels and is then applied to the edge very much like another panel would be. The biggest difference between another panel and the joint guard is that the joint guard is designed not to engage or activate the different locking mechanisms of the panel edge. As will he evident when studying enclosed embodiment examples of joints in the present invention, some embodiment of joint will not be easily disassembled once two panels are joined together. The joint guard is therefore designed to hold the locking mechanism in place without activating it. The joint guard is furthermore so designed as to not cause any substantial wear or deformation on functional parts such as locking edges and the like on embodiments herein described as well as on embodiment disclosed by reference. The joint guard is then applied on the edge of the panel to be cut and the cutting may commence. The cutting is either performed through the joint guard or using the joint guard as a ruler. It is however advantageous to arrange the joint guard on the portion of the panel that is to be used in the installation. The joint guard is advantageously also used as a tapping block during the installation of floor panels.
- In selected embodiments of joints the joint guard may serve as tool for returning moveable locking elements to default position in case these by accident is out of the pre-assembly position.
- Floor panel joint may be designed in different ways, as for example as known through WO 94/26999, WO 97/47834 and WO 03/083234. It is also possible to provide the joint with a resilient joining member made as a separate piece which is joined with the edge of the panel. Such joints is known through WO 00/47841 and WO 2005/054599. Also herein disclosed embodiments of joints serve as examples of joints which benefit from being protected during cutting.
- A joint has a first edge and a second edge. The first edge is provided with a distal edge and a downwards protruding heel. The distal edge is further provided with an upper joint edge beneath which a groove is arranged. The second edge is provided with lower cheek having a distal end at which an upwards protruding lower cheek heel is arranged. The second edge is further provided with an upper joining edge beneath which an undercut is arranged. A moveable locking element is arranged in the space created by the undercut. The moveable locking element has a locking tongue, a locking tongue leg and a maneuvering leg. The second edge is intended to join with the first edge through vertical motion. The moveable locking element, or more precisely the locking tongue of the locking element, will be displaced by the vertical motion when the two edges are moved towards each other. The displacement can be seen as a rotation where the locking tongue is brought to rotate around a selected pivot point. Resilient action may also realize this rotating action.
- Suitably the downwards protruding heel presses on the maneuvering leg, thereby urging the locking tongue to move forward and engage the groove. An upper locking surface of the locking tongue is suitably longer than the portion of the locking tongue that can engage the groove.
- The lower cheek heel suitably have a front face and that the downwards protruding heel have a rear face. The front face and the rear face are then preferably intended to interact, the interaction resulting in the upper joint edge and the upper joining edge being urged together in an assembled joint.
- According to one alternative the lower cheek heel suitably have a front face and the downwards protruding heel have a rear face while the maneuvering leg have a face section. The front face and the rear face are then preferably intended to interact, having the face section in an intermediate position, the interaction resulting in the upper joint edge and the upper joining edge being urged together in an assembled joint.
- According to one special embodiment the locking element is provided with a hinge. This will allow a snap-action cam lock effect.
- A moveable locking element may suitably he made through extrusion molding and it can be made of thermoplastic material, thermosetting material or even of metal.
- According to another alternative the joint have a first edge and a second edge where the first edge is provided with a tongue and a rear groove. The second edge is provided with a lower cheek having a distal end, an inner locking groove, a tongue groove and a locking member surface. The moveable locking member is arranged on the locking member surface. The moveable locking member have an inner locking tongue, a maneuvering cheek and an outer locking tongue. The second edge is intended to join with the first edge through horizontal motion.
- Suitably, a maneuvering area beneath the tongue press on the maneuvering cheek urging the inner locking tongue to move downwards and engage the inner locking groove. The maneuvering area beneath the tongue suitably press on the maneuvering cheek also urging the outer locking tongue to move upwards and engage the rear groove.
- A moveable locking element like herein described may suitably be made through extrusion molding and it can be made of thermoplastic material, thermosetting material, a composite material or even of metal.
- The joint as herein described is suitably used on products such as floor panels or wall panels. According to an embodiment of a floor panel includes a core which is covered with an upper decorative surface. The core most often consists of wood particles or fiber bonded together with glue or resin. Such core boards are commonly known as Medium Density Fiber board (MDF), High Density Fiber board (HDF), Oriented Strand Board (OSB) or particle board. It is, however, also possible to utilize the embodiments on cores made of solid wood. Since wood based core materials are sensitive to moisture it may be advantageous to treat the area closest to the joint if the floor is to be exposed to moisture. This treatment may suitably include resin, wax or some kind of lacquer. It will not be necessary to treat the joint if the panels are to be glued since the glue itself will protect the joint from moisture penetration. The decorative upper surface may consist of a decorative paper possibly impregnated with melamine-formaldehyde resin. One or more layers of so called overlay paper of cellulose, impregnated with melaimine-formaldehyde resin is suitably placed on top of the decorative paper. One or more of the above layers may be sprinkled with hard particles, of for example aluminum oxide, silicon carbide or silicon oxide in connection to the impregnation in order to improve the abrasion resistance. The paper impregnated with resin is cured before, or in connection to applying it to the core. The paper layers are suitably laminated together before they are applied to the core in cases where the upper decorative surface is constituted by more than one paper layers. The lower side may suitably be coated with a lacquer or a resin impregnated paper. It is also possible to arrange an impregnated support paper between the decor and the core.
- Among possible upper surfaces to apply to the core may be mentioned;
-
- Thermosetting laminates including at least a decorative paper impregnated with melamine-formaldehyde resin. Overlay paper and hard particles may be added to this as described earlier in the present application.
- The upper decorative surface may also he constituted by an acrylic foil, an acrylic lacquer and combinations thereof. It might also be constituted by a foil or a lacquer of polyolefins or polyolefin derivatives.
- It is also possible to coat a decorative surface with an acrylic lacquer containing, or being sprinkled with, hard particles of α-aluminum oxide, silicon carbide or silicon oxide. The coating is most often achieved through use of a roller or through curtain coating. Among suitable acrylic lacquers can be mentioned radiation curing ones which are cured with electron beam or ultraviolet light forming free radicals in the uncured lacquer.
- It is further possible to use wood veneer, most often coated with oil. wax or lacquer.
- It has also shown that herein described joints are well suited for other materials as well. It is for example possible to use the joints on cores made of mineral based materials such as stone like marble, granite, slate, diabase, sandstone, limestone and the like,—but also ceramic, ceramic-like or composite materials like brick, concrete, fiber cement, glazed and non-glazed ceramic tiles. Some of these materials may be polished as the only surface treatment, while glazing, painting or oil treatment is an example of other surface treatments possible to utilize on above mentioned core materials. It is of course also possible, as described together with wood based core materials, to arrange thermosetting laminates including at least a decorative paper impregnated with melamine-formaldehyde resin. Overlay paper and hard particles may be added to this as described earlier in the present application. The upper decorative surface may also be constituted by an acrylic foil, an acrylic lacquer and combinations thereof. It might also be constituted by a foil or a lacquer of polyolefins or polyolefin derivatives.
- The invention is further described together with drawing showing different embodiments of the invention whereby,
-
FIG. 1 a-b shows a first embodiment of a joint 1. -
FIG. 2 a -b shows a second embodiment of a joint 1. -
FIG. 3 a -b shows a third embodiment of a joint 1. -
FIG. 4 a -b shows a fourth embodiment of a joint 1. -
FIG. 5 a -b shows a fifth embodiment of a joint 1. -
FIG. 6 a -b shows a sixth embodiment of a joint 1. -
FIG. 6 c shows an alternative version of the sixth embodiment shown inFIG. 6 a -b of a joint 1. -
FIG. 7 a -b shows a seventh embodiment of a joint 1. -
FIG. 8 a-b shows a eighth embodiment of a joint 1. -
FIG. 9 shows a ninth embodiment of a joint 1. -
FIG. 10 a-b shows a tenth embodiment of a joint 1. -
FIG. 11 shows a first embodiment of ajoint guard 100 according to the invention. -
FIG. 12 shows a second embodiment of ajoint guard 100 according to the invention. -
FIG. 13 shows a third embodiment of ajoint guard 100 according to the invention. -
FIG. 14 shows a fourth embodiment of ajoint guard 100 according to the invention. -
FIG. 15 shows a fifth embodiment of ajoint guard 100 according to the invention. -
FIG. 16 shows a sixth embodiment of ajoint guard 100 according to the invention. -
FIG. 17 shows a seventh embodiment of ajoint guard 100 according to the invention. -
FIG. 18 shows a eighth embodiment of ajoint guard 100 according to the invention. -
FIG. 19 shows a variation of the fourth embodiment, shown inFIG. 14 , of ajoint guard 100 according to the invention. -
FIG. 20 shows a another variation of the fourth embodiment, shown inFIG. 14 , of ajoint guard 100 according to the invention. -
FIG. 21 shows a variation of the eighth embodiment, shown inFIG. 18 , of ajoint guard 100 according to the invention. -
FIG. 22 shows a another variation of the eighth embodiment, shown inFIG. 18 , of ajoint guard 100 according to the invention. - Accordingly
FIG. 1 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a first embodiment.FIG. 1 a shows the joint 1 just before the joining andFIG. 1 b shows the joint 1 after assembly. Thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which agroove 23 is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. - The downwards protruding
heel 22 hereby presses on themaneuvering leg 43 urging the lockingtongue 41 to move forward and engage thegroove 23. To ensure this, anupper locking surface 410 of the lockingtongue 41 is longer than the portion of the lockingtongue 41 that can engage thegroove 23. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thefront face 36 and therear face 26 are intended to interact which is resulting in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. -
FIG. 2 a-b shows, in cross-section, a joint 1 having afirst edge 2 and asecond edge 3 according to a second embodiment.FIG. 2 a shows the joint 1 just before the joining andFIG. 2 b shows the joint 1 after assembly. Thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which agroove 23 is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. Themaneuvering leg 43 is here extended to increase the locking force. The downwards protrudingheel 22 hereby presses on themaneuvering leg 43 urging the lockingtongue 41 to move forward and engage thegroove 23. To ensure this, anupper locking surface 410 of the lockingtongue 41 is longer than the portion of the lockingtongue 41 that can engage thegroove 23. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thefront face 36 and therear face 26 are intended to interact which is resulting in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. -
FIG. 3 a-b shows, in cross-section, a joint 1 having afirst edge 2 and asecond edge 3 according to a third embodiment.FIG. 3 a shows the joint 1 just before the joining andFIG. 3 b shows the joint 1 after assembly. Thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which agroove 23 is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. Themaneuvering leg 43 is here extended further to increase the locking force. The downwards protrudingheel 22 hereby presses on themaneuvering leg 43 urging the lockingtongue 41 to move forward and engage thegroove 23. To ensure this, anupper locking surface 410 of the lockingtongue 41 is longer than the portion of the lockingtongue 41 that can engage thegroove 23. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26 and the maneuvering leg have aface section 430. Thefront face 36 and therear face 26 are intended to interact, having theface section 430 in an intermediate position. The interaction results in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. -
FIG. 4 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a fourth, embodiment.FIG. 4 a shows the joint 1 just before the joining andFIG. 4 b shows the joint 1 after assembly. Thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which agroove 23 is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. Themaneuvering leg 43 is provided with a hinge which allows a cam lock effect. - The downwards protruding
heel 22 hereby presses on themaneuvering leg 43 urging the lockingtongue 41 to move forward and engage thegroove 23. To ensure this, anupper locking surface 430 of the lockingtongue 41 is longer than the portion of the lockingtongue 41 that can engage thegroove 23. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thefront face 36 and therear face 26 are intended to interact which is resulting in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. -
FIG. 5 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a fifth embodiment.FIG. 5 a shows the joint 1 just before the joining andFIG. 5 b shows the joint 1 after assembly. The fifth embodiment is an alternative embodiment. Thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which agroove 23 is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. - A
front surface 22 I of the downwards protrudingheel 22 hereby presses on themaneuvering leg 43 urging thebent maneuvering leg 43 to straighten whereby the lockingtongue 41 moves forward and engage thegroove 23. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thefront face 36 and therear face 26 are intended to interact which is resulting in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. -
FIG. 6 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a sixth.FIG. 6 a shows the joint 1 just before the joining andFIG. 6 b shows the joint 1 after assembly.FIG. 6 c shows an alternative embodiment of the embodiment shown inFIG. 6 a-b. Beginning withFIG. 6 a -b, thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which agroove 23 is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Themoveable locking element 40 is further provided with apivot groove 43 I. Thelower cheek 31 is provided with apivot edge 31 I. Thepivot groove 43 I and thepivot edge 31 I are intended to interact. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. - A
front surface 22 I of the downwards protrudingheel 22 hereby presses on themaneuvering leg 43 urging themaneuvering leg 43 to tilt with thepivot edge 31 I as an axis of rotation whereby the lockingtongue 41 moves forward and engage thegroove 23. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thefront face 36 and therear face 26 are intended to interact which is resulting in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. Thelower cheek 31, the downwards protruding heal 22 and themaneuvering leg 43 are further designed so that the outermost portion of themaneuvering leg 43 is held in place by the downwards protruding heal 22 and thelower cheek 31 when the joint is assembled. -
FIG. 6 c mainly correspond toFIG. 6 a-b above. The upper portion of thelower cheek 31 containing lower cheek heal 33,front face 36 andpivot edge 31 I is, however made of a separate material which is joined with the core material with for example glue. It is, however also possible to attach this portion by nailing, prizing or snapping it into position. -
FIG. 7 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a seventh embodiment.FIG. 7 a shows the joint 1 just before the joining andFIG. 7 b shows the joint 1 after assembly. The seventh embodiment is an alternative embodiment where the joint is assembled through horizontal motion. The joint 1 have afirst edge 2 and asecond edge 3 wherein thefirst edge 2 is provided with atongue 50 and arear groove 51. Thesecond edge 3 is provided with alower cheek 61 having adistal end 62. aninner locking groove 63, atongue groove 64 and a lockingmember surface 65. Amoveable locking member 70 is arranged on the lockingmember surface 65. Themoveable locking member 70 have aninner locking tongue 71, amaneuvering cheek 72 and anouter locking tongue 73. As said above thesecond edge 3 is intended to join with thefirst edge 2 through horizontal motion according to this, seventh embodiment. Amaneuvering area 52 beneath thetongue 50 presses on themaneuvering cheek 72 urging theinner locking tongue 71 to move downwards and engage theinner locking groove 63. At the same time theouter locking tongue 72 will move upwards and engage therear groove 51. -
FIG. 8 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a eighth embodiment.FIG. 8 a shows the joint 1 just before the joining andFIG. 8 b shows the joint 1 after assembly. The eighth embodiment is an alternative embodiment where the joint is assembled through horizontal motion. The joint 1 have afirst edge 2 and asecond edge 3 wherein thefirst edge 2 is provided with atongue 50 and arear depression 53. The second edge 5 is provided with alower cheek 61 having adistal end 62, aninner locking groove 63 and atongue groove 64. Amoveable locking member 70 is arranged onfirst edge 2. Themoveable locking member 70 have amaneuvering cheek 72 and anouter locking tongue 73. As said above thesecond edge 3 is intended to join with thefirst edge 2 through horizontal motion according to this, eighth embodiment. Theouter locking tongue 73 is urged upwards into therear depression 53 during the assembly. It will then snap down into engagement withinner locking groove 63 once in the fully assembled position. -
FIG. 9 shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a ninth embodiment.FIG. 9 shows the joint 1 just before the joining. The ninth embodiment is an alternative embodiment where the joint is assembled through horizontal motion. The joint 1 have afirst edge 2 and asecond edge 3 wherein thefirst edge 2 is provided with atongue 50 and arear groove 51. Thesecond edge 3 is provided with alower cheek 61 having adistal end 62, ainner locking groove 63 and atongue groove 64. Amoveable locking member 70 is arranged on thefirst edge 2. Themoveable locking member 70 have aninner locking tongue 71, amaneuvering cheek 72 and anouter locking tongue 73. As said above thesecond edge 3 is intended to join with thefirst edge 2 through horizontal motion according to this, ninth embodiment. Theouter locking tongue 73 and theinner locking tongue 71 are urged upwards during the assembly. Theouter locking tongue 73 will then snap down into engagement withinner locking groove 63 once in the fully assembled position. -
FIG. 10 a-b shows in cross-section a joint 1 having afirst edge 2 and asecond edge 3 according to a tenth embodiment.FIG. 10 a shows the joint 1 just before the joining andFIG. 10 b shows the joint 1 after assembly. Thefirst edge 2 is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which an undercutspace 23 I is arranged. Thesecond edge 3 is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercutspace 23 I . Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 also acting as amaneuvering leg 43. Thesecond edge 3 is intended to join with thefirst edge 2 through vertical motion. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26. Thelower cheek heel 33 have afront face 36 while the downwards protrudingheel 22 have arear face 26 and themoveable locking element 40 have aface section 430. Thefront face 36 and therear face 26 are intended to interact, having aface section 430 in an intermediate position. The interaction results in the upperjoint edge 25 and the upper joiningedge 35 being urged together in an assembled joint 1. TheSocking tongue 41 will engage the undercut 34 when theedges -
FIG. 11 shows a first embodiment of ajoint guard 100 according to the invention, Anedge 3 as shown inFIG. 1 a-b is provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Theedge 3 is intended to join with a first edge 2 (seeFIG. 1 a-b) through vertical motion. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: alower cheek 31, adistal end 32, an upwards protrudinglower cheek heel 33, an upper joiningedge 35, an undercut 34, amoveable locking element 40, a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Accordingly, thejoint guard 100 is provided with a lockingtongue stopper 141, a lockingtongue leg support 142 and amaneuvering leg support 143. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 12 shows a second embodiment of ajoint guard 100 according to the invention. Anedge 3 as shown inFIG. 3 a-b is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with the first edge 2 (seeFIG. 3 a-b) through vertical motion. Themaneuvering leg 43 is here extended further to increase the locking force. Thelower cheek heel 33 have afront face 36 and themaneuvering leg 43 have aface section 430. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: alower cheek 31, adistal end 32, an upwards protrudinglower cheek heel 33, an upper joiningedge 35, an undercut 34, amoveable locking element 40, a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Accordingly, thejoint guard 100 is provided with a lockingtongue stopper 141, a lockingtongue leg support 142 and amaneuvering leg support 143, Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 13 shows a third embodiment of ajoint guard 100 according to the invention. Anedge 3 as shown inFIG. 3 a-b is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Thesecond edge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Thesecond edge 3 is intended to join with the first edge 2 (seeFIG. 3 a-b) through vertical motion. Themaneuvering leg 43 is here extended further to increase the locking force. Thelower cheek heel 33 have afront face 36 and the maneuvering leg have aface section 430. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: alower cheek 31, adistal end 32, an upwards protrudinglower cheek heel 33, an upper joiningedge 35, an undercut 34, amoveable locking element 40, a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Accordingly, thejoint guard 100 is provided with a locking-tongue stopper 141 and amaneuvering leg support 143. The distal edge of themaneuvering leg 43 is supported by avertical surface 142 I. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 14 shows a fourth embodiment of ajoint guard 100 according to the invention. Anedge 3 as shown inFIG. 6 a-b is provided with alower cheek 31 having adistal end 32 at which an upwards protrudinglower cheek heel 33 is arranged. Theedge 3 is further provided with an upper joiningedge 35 beneath which an undercut 34 is arranged. Amoveable locking element 40 is arranged in the space created by the undercut 34. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Themoveable locking element 40 is further provided with apivot groove 43 I. Thelower cheek 31 is provided with apivot edge 31 I. Thepivot groove 43 I and thepivot edge 31 I are intended to interact. Thesecond edge 3 is intended to join with the first edge 2 (seeFIG. 6 a-b) through vertical motion. Thelower cheek heel 33 have afront face 36. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: alower cheek 31, adistal end 32, an upwards protrudinglower cheek heel 33, an upper joiningedge 35, an undercut 34, amoveable locking element 40, a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43. Accordingly, thejoint guard 100 is provided with a lockingtongue stopper 141 and amaneuvering leg support 143. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 15 shows a fifth embodiment of ajoint guard 100 according to the invention. Asecond edge 3 as shown inFIG. 7 a-b is provided with alower cheek 61 having adistal end 62, aninner locking groove 63, atongue groove 64 and a lockingmember surface 65. Amoveable locking member 70 is arranged on the lockingmember surface 65. Themoveable locking member 70 have aninner locking tongue 71, amaneuvering cheek 72 and anouter locking tongue 73. Thesecond edge 3 is intended to join with the first edge 2 (seeFIG. 7 a-b) through horizontal motion. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of a panel. These portions are: alower cheek 61, aninner locking groove 63, atongue groove 64, a lockingmember surface 65, amoveable locking member 70, aninner locking tongue 71, amaneuvering cheek 72 and anouter locking tongue 73. Thejoint guard 100 supports, protect and stabilize through means of amaneuvering cheek support 172, an outerlocking tongue support 173 and agroove engaging tongue 164. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 16 shows a sixth embodiment of ajoint guard 100 according to the invention. Afirst edge 2 as shown inFIG. 8 a-b is provided with atongue 50 and arear depression 53. Amoveable locking member 70 is arranged onfirst edge 2. Themoveable locking member 70 have amaneuvering cheek 72 and anouter locking tongue 73. A second edge 3 (seeFIG. 8 a-b) is intended to join with thefirst edge 2 through horizontal motion. Theouter locking tongue 73 is urged upwards into therear depression 53 during the assembly. It will then snap down into engagement with inner locking groove 63 (seeFIG. 8 a-b) once in the fully assembled position. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of a panel. These portions are: amoveable locking member 70, amaneuvering cheek 72, anouter locking tongue 73 and atongue 50. Thejoint guard 100 supports, protect and stabilize through means of amaneuvering cheek support 172, an outerlocking tongue support 173 and atongue engaging groove 150. Also the vertical edge portions of the joint is protected. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 17 shows a seventh embodiment of ajoint guard 100 according to the invention. Afirst edge 2 as shown inFIG. 10 a-b is provided with adistal edge 21 and a downwards protrudingheel 22. Thedistal edge 21 is further provided with an upperjoint edge 25 beneath which an undercutspace 23 I is arranged. Amoveable locking element 40 is arranged in the space created by the undercutspace 23 I. Themoveable locking element 40 have a lockingtongue 41, a lockingtongue leg 42 also acting as amaneuvering leg 43. The second edge 3 (seeFIG. 10 a-b) is intended to join with thefirst edge 2 through vertical motion. The downwards protrudingheel 22 have arear face 26 and themoveable locking element 40 have aface section 430. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of the panel. The portions protected and stabilized are: adistal edge 21, a downwards protrudingheel 22, an upperjoint edge 25, an undercutspace 23 I, arear face 26, amoveable locking element 40, a lockingtongue 41, a lockingtongue leg 42 and amaneuvering leg 43 and aface section 430. Accordingly, thejoint guard 100 is provided with a lockingtongue stopper 141, amaneuvering leg support 143 and aface section support 136. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 18 shows a eighth embodiment of ajoint guard 100 according to the invention. Asecond edge 3 known through WO 94/26999 is provided with alower cheek 61 having adistal end 62. Abendable locking member 70 is arranged on asecond edge 3. Thebendable locking member 70 have anouter locking tongue 73. Ajoint guard 100 is provided with means for protecting and stabilizing portions in the edge region of a panel. These portions are: alower cheek 61, adistal end 62, a abendable locking member 70 and anouter locking tongue 73. Thejoint guard 100 supports, protect and stabilize through means of an outerlocking tongue support 173 and agroove engaging tongue 164. The basic principle of thejoint guard 100 shown inFIG. 18 is also applicable on joints as described in WO 03/083234. Thejoint guard 100 is suitably made of medium density fiber board (MDF). -
FIG. 19 shows a variation of the fourth embodiment, shown inFIG. 14 , of ajoint guard 100 according to the invention. Thejoint guard 100 is provided with a lockingtongue stopper 141 and amaneuvering leg support 143 as described inFIG. 14 . Thejoint guard 100 according to the alternative embodiment shown inFIG. 19 is further provided with an topsurface edge guard 110 intended protect the edge of a top surface laminate during cutting, especially from splitting and separating in the edge region. -
FIG. 20 shows another variation of the fourth embodiment, shown inFIG. 14 , of ajoint guard 100 according to the invention. Above what is described in figure connection to 14 and 19 the joint guard is further provided with ahandle 111 used for holding thejoint guard 100 in place during for example cutting. Thehandle 111 is especially useful when using thejoint guard 100 as a tapping block. -
FIG. 21 shows a variation of the eighth embodiment, shown inFIG. 18 , of ajoint guard 100 according to the invention. Thejoint guard 100 supports, protect and stabilize through means of an outerlocking tongue support 173 and agroove engaging tongue 164. Thejoint guard 100 according to the alternative embodiment shown inFIG. 21 is further provided with an topsurface edge guard 110 intended protect the edge of a top surface laminate during cutting, especially from splitting and separating in the edge region. Thegroove engaging tongue 164 is also made more shallow and tapered compared to the embodiment shown inFIG. 18 . -
FIG. 22 shows a another variation of the eighth embodiment, shown inFIG. 18 , of ajoint guard 100 according to the invention. Above what is described in connection toFIGS. 18 and 21 the joint guard is further provided with ahandle 111 used for holding thejoint guard 100 in place during for example cutting. Thehandle 111 is especially useful when using thejoint guard 100 as a tapping block. Thegroove engaging tongue 164 ofFIGS. 18 and 21 is furthermore omitted in the embodiment shown inFIG. 22 . - The invention is not limited by the embodiments shown as they can be varied in different ways within the scope of the invention.
Claims (22)
1. A joint guard (100) provided with means for protecting and stabilizing portions in the edge region of a panel, said portions being selected from the group consisting of: a distal edge (21), a downwards protruding heel (22), a upper joint edge (25), a groove (23), a lower cheek (31), a distal end (32), an upwards protruding lower cheek heel (33), an upper joining edge (35), an undercut (34), a moveable locking element (40), a locking tongue (41), a locking tongue leg (42), a maneuvering leg (43) and a face section (430).
2. A joint guard (100) according to claim 1 wherein the joint guard (100) is provided with a locking tongue stopper (141).
3. A joint guard (100) according to claim 1 wherein the joint guard (100) is provided with a locking tongue leg support (142).
4. A joint guard (100) according to claim 1 wherein the joint guard (100) is provided with a maneuvering leg support (143).
5. A joint guard (100) according to claim 1 wherein the joint guard (100) is provided with a locking tongue leg support (142) and a face section support (136).
6. A joint guard (100) according to claim 1 wherein the joint guard (100) is made of a thermoplastic material.
7. A joint guard (100) according to claim 1 wherein the joint guard (100) is made of a metal.
8. A joint guard (100) according to claim 1 wherein the joint guard (100) is made of a thermosetting material.
9. A joint guard (100) according to claim 1 wherein the joint guard (100) is comprises wood.
10. A joint guard (100) according to claim 1 wherein the joint guard (100) is comprises wood fiber.
11. A joint guard (100) according to claim 1 wherein the joint guard (100) comprises wood particles.
12. A joint guard (100) provided with means for protecting and stabilizing portions in the edge region of a panel, said portions being selected from the group consisting of: a tongue (50), a rear groove (51), a lower cheek (61), a distal end (62), an inner locking groove (63), a tongue groove (64), a locking member surface (65), a moveable locking member (70), an inner locking tongue (71), a maneuvering cheek (72) and an outer locking tongue (73).
13. A joint guard (100) according to claim 11 wherein the joint guard (100) is provided with a maneuvering cheek support (172).
14. A joint guard (100) according to claim 11 wherein the joint guard (100) is provided with a outer locking tongue support (173).
15. A joint guard (100) according to claim 11 wherein the joint guard (100) is provided with a groove engaging tongue (164).
16. A joint guard (100) according to claim 11 wherein the joint guard (100) is provided with a tongue engaging groove (150).
17. A joint guard (100) according to claim 11 wherein the joint guard (100) is made of a thermoplastic material.
18. A joint guard (100) according to claim 11 wherein the joint guard (100) is made of a metal.
19. A joint guard (100) according to claim 11 wherein the joint guard (100) is made of a thermosetting material.
20. A joint guard (100) according to claim 11 wherein the joint guard (100) is comprises wood.
21. A joint guard (100) according to claim 11 wherein the joint guard (100) is comprises wood fiber.
22. A joint guard (100) according to claim 11 wherein the joint guard (100) comprises wood particles.
Applications Claiming Priority (3)
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SE0600227-3 | 2006-02-03 | ||
SE0600227A SE529506C2 (en) | 2006-02-03 | 2006-02-03 | A joint cover for panels |
PCT/SE2007/000070 WO2007089186A1 (en) | 2006-02-03 | 2007-01-26 | A joint guard for panels |
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PCT/SE2007/000070 A-371-Of-International WO2007089186A1 (en) | 2006-02-03 | 2007-01-26 | A joint guard for panels |
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US14/456,755 Continuation US9410327B2 (en) | 2006-02-03 | 2014-08-11 | Joint guard for panels |
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US20090217615A1 true US20090217615A1 (en) | 2009-09-03 |
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ID=38327677
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US12/278,274 Abandoned US20090217615A1 (en) | 2006-02-03 | 2007-01-26 | Joint guard for panels |
US14/456,755 Active US9410327B2 (en) | 2006-02-03 | 2014-08-11 | Joint guard for panels |
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US14/456,755 Active US9410327B2 (en) | 2006-02-03 | 2014-08-11 | Joint guard for panels |
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US (2) | US20090217615A1 (en) |
EP (2) | EP1987212B1 (en) |
SE (1) | SE529506C2 (en) |
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Cited By (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100281803A1 (en) * | 2007-11-23 | 2010-11-11 | Mark Cappelle | Floor panel |
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Also Published As
Publication number | Publication date |
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EP3683381A1 (en) | 2020-07-22 |
EP1987212A1 (en) | 2008-11-05 |
US9410327B2 (en) | 2016-08-09 |
US20150075105A1 (en) | 2015-03-19 |
WO2007089186A1 (en) | 2007-08-09 |
SE0600227L (en) | 2007-08-04 |
EP1987212B1 (en) | 2020-06-24 |
SE529506C2 (en) | 2007-08-28 |
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