US20110047675A1 - Garment connection system - Google Patents
Garment connection system Download PDFInfo
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- US20110047675A1 US20110047675A1 US12/874,449 US87444910A US2011047675A1 US 20110047675 A1 US20110047675 A1 US 20110047675A1 US 87444910 A US87444910 A US 87444910A US 2011047675 A1 US2011047675 A1 US 2011047675A1
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- United States
- Prior art keywords
- barrier material
- boot
- trousers
- flap portion
- flap
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41F—GARMENT FASTENINGS; SUSPENDERS
- A41F17/00—Means for holding-down garments
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/02—Boots covering the lower leg
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D1/00—Garments
- A41D1/06—Trousers
Definitions
- the present invention is directed to a garment connection system, and more particularly, to a fluid-resistant garment connection system.
- Protective or hazardous duty garments are used in a variety of industries and settings to protect the wearer from hazardous conditions such as heat, fire, smoke, cold, sharp objects, chemicals, liquids, fumes and the like. Such protective or hazardous duty garments are often used in adverse conditions, such as in the presence of high temperatures, smoke, chemicals, vapors and the like. However, existing garments may not provide sufficient protection from harmful vapors or fluids, particularly at garment junctions.
- the invention is a boot and trousers system including a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids.
- the system further includes a boot having a body and an upper portion, wherein the upper portion is folded about the body of the boot to define a flap portion.
- the barrier material is releasably coupled to the flap portion and to the body.
- the invention is a boot and trousers system including a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids.
- the system further includes a boot having a body and an upper portion, wherein the upper portion is folded about the body of the boot to define a flap portion. At least part of the barrier material is positioned between the flap portion and the body.
- FIG. 1 is a front perspective view of a user wearing a coat, trousers and boots;
- FIG. 2 is a side perspective cutaway view of a boot and a lower part of the trousers of FIG. 1 ;
- FIG. 3 is a side cross section of the pant leg and boot of FIG. 3 ;
- FIG. 3A is a side cross section of the pant leg and boot of FIG. 3 , illustrating an alternate construction
- FIGS. 4-8 are a series of side cross section views illustrating how the boot can be detached from the trousers.
- FIG. 9 is a side cross section of the boot configured for stand-alone use.
- the present invention may take the form of a system 10 for connecting a pair of trousers 12 to a pair of boots 14 .
- the trousers 12 may include various layers through its thickness to provide various heat, moisture and abrasion resistant qualities so that the trousers 12 can be used as a protective, hazardous duty, and/or firefighter garment.
- the trousers 12 may include an outer shell 16 , a moisture-resistant/vapor-resistant/fluid-resistant barrier 18 located inside of and adjacent to the outer shell 16 , and a thermal liner/barrier 20 located inside of and adjacent to the moisture/vapor barrier 18 .
- the layers 16 , 18 , 20 are generally annular at the lower end of each trousers leg and arranged such that the moisture barrier 18 is positioned between the thermal barrier 20 and outer shell 16 .
- this configuration can be reversed such that the thermal barrier 20 is positioned between the outer shell 16 and the moisture barrier 18 .
- an inner liner or inner face cloth (not shown) may be positioned inside the thermal barrier 20 to form the inner-most layer of the trousers 12 .
- the trousers 10 may not necessarily include the thermal barrier 20 .
- the outer shell 16 may be made of or include a variety of materials, including a flame, heat and abrasion resistant material such as a compact weave of aramid fibers and/or polybenzamidazole fibers.
- aramid materials include NOMEX and KEVLAR fibers (both trademarks of E.I. DuPont de Nemours & Co., Inc. of Wilmington, Del.), and commercially available polybenzamidazole fibers include PBI fibers (a trademark of PBI Performance Fabrics of Charlotte, North Carolina).
- the outer shell 16 may be an aramid material, a blend of aramid materials, a polybenzamidazole material, a blend of aramid and polybenzamidazole materials, or other appropriate materials.
- the outer shell 16 may be covered with a polymer, such as a durable, water repellent finish (i.e. a perfluorohydrocarbon finish, such as TEFLON® finish sold by E. I. Du Pont de Nemours and Company of Wilmington, Del.).
- a durable, water repellent finish i.e. a perfluorohydrocarbon finish, such as TEFLON® finish sold by E. I. Du Pont de Nemours and Company of Wilmington, Del.
- the materials of the outer shell 16 may have a weight of, for example, between about five and about ten oz/yd 2 .
- the moisture barrier 18 and thermal barrier 20 may be generally coextensive with the outer shell 16 , or spaced slightly inwardly from the outer edges of the outer shell 16 (i.e., spaced slightly inwardly from the lower end of the legs or the waist) to provide moisture and thermal protection throughout the trousers 12 .
- the thermal barrier 20 may be made of nearly any suitable material that provides sufficient thermal insulation.
- the thermal barrier 20 may include a relatively thick (i.e. between about 1/16′′- 3/16′′) batting, felt or needled non-woven bulk or batting material, which can be coupled to a face cloth.
- the bulk material can also take the form of one or two (or more) layers of E-89® spunlace fabric made of a combination of NOMEX® and KEVLAR® fabric.
- the bulk material can also, or instead, include aramid fiber batting (such as NOMEX® batting), aramid needlepunch material, an aramid non-woven material, an aramid blend needlepunch material, an aramid blend batting material, an aramid blend non-woven material, foam (either open cell or closed cell), or other suitably thermally insulating materials.
- aramid fiber batting such as NOMEX® batting
- aramid needlepunch material such as NOMEX® batting
- aramid non-woven material such as NOMEX® batting
- aramid blend needlepunch material such as aramid non-woven material
- an aramid blend needlepunch material such as aramid blend batting material
- foam either open cell or closed cell
- the thermal barrier 20 may trap air and possess sufficient loft to provide thermal resistance to the trousers 12 . If desired, the thermal barrier 20 , or parts thereof, may be treated with a water-resistant or water-repellent finish.
- the thermal barrier 20 has a thermal protection performance (“TPP”) of at least about twenty, and in another embodiment, at least about thirty five.
- TPP thermal protection performance
- the trousers 12 as a whole will have a TPP of at least about twenty, and in another embodiment have a TPP of at least about thirty five, although the trousers 12 may have a relatively low TPP is some cases and may not be particularly thermally insulating.
- the moisture barrier 18 may be generally water vapor permeable but generally impermeable to liquid moisture, as well as generally impermeable to the vapor form of harmful/undesirable materials (i.e. non-aqueous materials in one embodiment).
- the moisture barrier 18 may have microscopic openings that permit moisture vapor (such as water vapor) to pass therethrough, but block liquids (such as liquid water) from passing therethrough.
- the microscopic openings may be small enough to allow water vapor to pass therethrough, but block vapors/airborne particulates, etc. of harmful materials, which can be larger than water vapor molecules.
- the moisture barrier 18 can be considered a selective vapor barrier and/or can have selective vapor barrier (or near-complete vapor barrier) qualities, but is generally termed moisture barrier herein in compliance with common industry usage.
- the moisture barrier 18 may be made of a microporous material that is either hydrophilic, hydrophobic, or somewhere in between.
- the moisture barrier 18 may also be monolithic and may allow water moisture vapor transmission therethrough by molecular diffusion.
- the moisture barrier 18 may also be a combination of microporous and monolithic materials (known as a bicomponent moisture barrier), in which the microporous or monolithic materials are layered or intertwined.
- the moisture barrier 18 may include a membrane layer bonded to a substrate of flame and heat resistant material on one or both sides thereof to provide structure and protection to the membrane layer.
- the moisture barrier 18 can instead, if desired, be generally impervious to all fluids, vapors, aerosols, liquids and gases, including water and water vapor.
- the moisture barrier 18 can be configured to block harmful materials from passing therethrough.
- harmful materials may include liquids (including chemical warfare agents, biological warfare agents and toxic industrial chemicals), vapors and aerosols of an aqueous or non-aqueous nature (including chemical warfare agents and toxic industrial chemicals), and contaminated particulates (such as biological warfare agents).
- chemical warfare agents include soman (GD) nerve agent and distilled mustard (HD) blister agent.
- Examples of toxic industrial chemicals include acrolein (liquid), acrylonitrile (liquid), ammonia (gas), chlorine (gas), and dimethyl sulfate (liquid).
- the moisture barrier 18 may be made of or include expanded polytetrafluoroethylene (“PTFE”) such as GORE-TEX or CROSSTECH materials (both of which are trademarks of W. L. Gore & Associates, Inc. of Newark, Del.), polyurethane-based materials, neoprene-based materials, cross-linked polymers, polyamid, GORE® CHEMPAK® materials, sold by W. L. Gore & Associates, Inc. including GORE® CHEMPAK® Ultra Barrier Fabric, GORE® CHEMPAK® Selectively Permeable Fabric, or GORE® CHEMPAK® Sorptive Fabric, neoprene, rubber, synthetic rubber or other materials.
- PTFE expanded polytetrafluoroethylene
- GORE-TEX or CROSSTECH materials
- each layer of the trousers 12 , and the trousers 12 as a whole may meet the National Fire Protection Association (“NFPA”) 1971 standards for protective firefighting garments (“Protective Clothing for Structural Firefighting”), which are entirely incorporated by reference herein.
- NFPA Structural Firefighting standards specify various minimum requirements for heat and flame resistance and for tear strength.
- each of the outer shell 16 , moisture barrier 18 , and thermal barrier 20 individually, and the trousers 12 as a whole must be able to resist igniting, burning, melting, dripping, separation and/or shrinking by more than 10% in any direction at a temperature of 500° F. for at least five minutes.
- the combined layers of the trousers 12 must provide a thermal protective performance rating of at least thirty five.
- NFPA 1971 standards include a Chem/Bio Option, also known as the CBRN (chemical, biological, radiological and nuclear) Option (the entire contents of which are hereby incorporated by reference) which provides specifications that protective ensembles must meet in order to be certified under that Option.
- the Chem/Bio Option specifies that the garment must pass a MIST test (Man In Simulant Test).
- MIST test essentially consists of introducing the garment into a chamber filled with a vaporized test material (such as oil of wintergreen). Absorbent pads are placed on the wearer and/or inside the garment. After the garment has been exposed to the vaporized material for a sufficient period of time, the garment is removed from the chamber. The absorbent pads are removed and analyzed to determine how much of the vaporized test material they have absorbed.
- the garment disclosed herein may instead, or also, be arranged to meet the Chem/Bion Option standards.
- the trousers 12 may include various arrangements of liners/materials, as desired, in which the various layers described herein are included, omitted, and/or rearranged.
- the trousers 12 may lack any thermal barrier 20 , or lack any moisture barrier 16 , or include only an outer shell 12 and lack other layers, etc., or may take on various other configurations as desired to meet various other NFPA requirements, and need not even necessarily be NFPA compliant.
- the boots 14 may also, in one embodiment, be compliant with NFPA regulations.
- Each boot 14 may include an outer layer 22 made of a relatively strong, durable and abrasion-resistant material, such as leather, synthetic leather, rubber, synthetic rubber, fibrous materials such as NOMEX® or KEVLAR® fibers, or various other materials as desired.
- Each boot 14 can include various inner layers as shown, for example, in FIGS. 3-9 .
- each boot 14 includes a fluid barrier/moisture barrier 24 and a thermal barrier 26 positioned inside the outer layer 22 .
- Each of these layers 22 , 24 , 26 may be generally annular about upper portions of the boot 14 .
- the moisture barrier 24 and thermal barrier 26 may be made of the same or similar materials and/or have the same qualities as those outlined above for the moisture barrier 18 and thermal barrier 20 of the trousers 12 .
- the thermal liner 26 for the boots 14 may not necessarily be fire resistant, and can be made of a nonwoven synthetic fabric such as CAMBRELLE® material sold by Camtex Fabrics Limited of Cumbria, United Kingdom, with a moisture barrier attached thereto.
- FIGS. 3-9 illustrate the moisture barrier 24 positioned between the outer layer 22 and the thermal barrier 26 ; however, if desired, the position of these layers may be reversed such that the thermal barrier 26 is positioned between the outer layer 22 and the moisture barrier 24 .
- the moisture barrier/fluid barrier 24 is generally continuous and extends throughout the boot 14 to provide continuous moisture/vapor/fluid protection thereto.
- the moisture barrier 18 of the trousers 12 may be generally continuous and extend throughout the trousers 12 to provide continuous moisture/vapor/fluid protection thereto.
- continuous it is meant that continuous moisture/vapor/fluid protection is provided; not necessarily that only a single seamless moisture/vapor/fluid barrier layer is provided.
- multiple pieces of a moisture barrier 18 / 24 can be coupled together in a moisture tight/vapor tight/selectively vapor tight manner and still be continuous as intended herein (although a one-piece moisture could also of course be utilized and considered continuous).
- the moisture barrier 22 and thermal barrier 26 of the boots 14 can be made of a differing material than the particular moisture barrier 18 and thermal barrier 20 of the associated trousers 12 .
- Each boot 14 may include a pair of pulls 28 ( FIG. 2 ) on opposite sides thereof to aid the wearer in pulling the boot 14 over his or her feet.
- Each boot 14 may include a durable, puncture-resistant tread or sole 30 on its bottom surface thereof and made of a differing material than the outer layer 22 , or moisture barrier 24 or thermal barrier 26 .
- Each boot 14 , and the tread 30 is thus designed to provide the outer-most surface protecting a wearer's foot to protect from abrasion, wear, and rough or sharp materials (such as broken glass, metal shards, etc.) on ground surfaces.
- Each boot 14 includes a body portion 32 and an upper portion, flap or flap portion 34 forming, and/or extending away from, an upper edge 36 of the body portion 32 .
- the flap portion 34 defines a space 38 between the flap portion 34 and the body portion 32 .
- the flap portion 34 includes an outer protective portion 22 a that can be of the same (or differing) material as the outer layer 22 of the boot 14 .
- the flap portion 34 may include one or more of the inner layers 24 , 26 of the boot 14 (or other inner layers, if included).
- the flap portion 34 includes a portion 26 a of the thermal barrier material 26 .
- the thermal barrier 26 a of the flap 34 is continuous with the thermal barrier 26 of the body portion 32 .
- the thermal barrier 26 a in the flap 34 can be separate and discrete from the thermal barrier 26 in the body portion 32 of the boot 14 .
- the thermal barrier 26 a can be omitted from the flap 34 .
- the flap 34 includes a moisture barrier portion 24 a.
- the flap moisture barrier 24 a is continuous with the body moisture barrier 24 , but the moisture barriers 24 , 24 a can be made of separate pieces of material if desired.
- the moisture barrier 18 of the trousers 12 includes a generally annular extension portion 40 which extends away (generally upwardly in the configuration of FIGS. 2 and 3 ) from the lower edge of the trousers 12 .
- a distal end of the extension portion 40 is received in the space 38 between the flap portion 34 and the body 32 of the boot 14 .
- the end of the extension 40 is folded about itself under the flap portion 34 , as shown in FIGS. 2-4 , to form a two-ply folded section of the barrier material 42 .
- the folded section 42 can be omitted but may aid in sealing the boot 14 /trousers 12 connection, as will be described in greater detail below.
- the moisture barrier extension 40 includes a pair of fastening components 44 a, 46 a on opposite sides thereof. As can be seen in FIG. 3 , fastening component 44 a on the radially outer surface of the extension portion 40 releasably engages a corresponding fastening component 44 b at or adjacent to the end of the flap portion 34 . Fastening component 46 a on the radially inner surface of the extension portion 40 releasably engages a corresponding fastening component 46 b at or near the upper edge 36 of the body 32 of the boot 14 .
- each fastening component 44 a, 44 b, 46 a, 46 b takes the form of a zipper/zipper track such that a zipper pull (i.e., see zipper pull 50 of FIG. 2 which is associated with fastening components 44 a, 44 b ) can be extended about the periphery of the fastening components 44 a, 44 b, 46 a, 46 b to couple or decouple the associated fastening components.
- a zipper pull i.e., see zipper pull 50 of FIG. 2 which is associated with fastening components 44 a, 44 b
- the fastening components 44 a, 44 b, 46 a, 46 b can be configured to form a fluid and/or vapor tight seal when closed (i.e., in the case of a zipper the zipper is fluid/vapor tight), or if desired the components 44 a, 44 b, 46 a, 46 b may not form a seal when closed.
- fastening components 44 a, 44 b, 46 a, 46 b can take any of a wide variety of other forms besides zippers such as hook-and-loop fastening material (i.e., VELCRO®), a plastic zipper seal utilizing linear beads such as that analogous to a seal found on ZIPLOC® plastic bags (also known as “press-to-close” zippers, or reclosable or releasable closures), snaps, hooks, clasps, magnets, frictional engagement, interlocking shapes or the like.
- VELCRO® hook-and-loop fastening material
- a plastic zipper seal utilizing linear beads such as that analogous to a seal found on ZIPLOC® plastic bags
- snaps hooks, clasps, magnets, frictional engagement, interlocking shapes or the like.
- each boot 14 includes its own moisture barrier 24 that is coupled to the moisture barrier extension 40 in a fluid tight/vapor tight manner via the fastening components 46 a, 46 b. In this manner, when harmful vapors are introduced into the surrounding environment, such vapors are prevented from entering the boot 14 and/or inner cavity of the legs of the trousers 12 .
- the wearer can thus remain relatively protected from harmful vapors and the trousers 12 /boot 14 form a sealed connection/cavity therebetween. Moreover, should any vapor or moisture penetrate through the outer layer 22 of the boots 14 , the moisture barrier 24 within the boots 14 helps to protect the wearer from contamination.
- the moisture barrier extension 40 is trapped or sandwiched between the flap 34 and the body 32 of the boot 14 , a relatively vapor tight connection is formed therebetween, and in particular the folded portion 42 can be compressed by the folded portion 34 , and held in place by the fastening components 44 a, 44 b to improve the seal provided by the folded portion 42 .
- the folded portion 42 is pressed into contact with, and directly engages, the moisture barrier 24 of the boot 14 to aid in sealing of the boot 14 .
- the fastening components 44 a, 44 b, 46 a, 46 b also help to mechanically and/or fluid-tightly securely couple the moisture barrier extension 40 to the boot 14 , thereby further protecting against vapor penetration.
- more complete vapor protection can be provided by using vapor-tight fasteners (at least for fastening components 46 a, 46 b ), and ensuring the fastening components 46 a, 46 b (i.e., their fastener flaps) are attached in a fluid-tight manner (i.e., any stitching is secured by vapor-tight sealing tape or the like, or adhesives or other non-penetrating methods are used to attach the fastening components 46 a, 46 b ).
- the coupling arrangement 10 shown herein, in combination with various other protective features, may provide a garment/ensemble which passes the MIST test, and more broadly, meets the Chem/Bio Option of NFPA 1971 standards.
- the fastening components 44 a, 44 b are first separated, as shown in FIG. 4 .
- the flap portion 34 is unfolded until the flap portion 34 extends vertically upwardly from the upper edge 36 of the body 32 of the boot 14 .
- the extension portion 40 is inverted (i.e. turned inside-out), such as by partially extracting the boot 14 out from the trousers 12 , as shown in FIG. 6 . Inverting the extension portion in this manner may help to provide easier/direct access to the fastening components 46 a , 46 b.
- the fastening components 46 a, 46 b are decoupled and, as shown in FIG. 8 , the boot 14 is completely separated from the trousers 12 .
- the boot 14 can be configured for use as a stand alone boot; i.e., for use in a manner in which the boot 14 is not sealingly coupled to the trousers 12 .
- the fastening component 44 b of flap portion 34 can be releasably coupled to the fastening component 46 b of the body 32 of the boot 14 to provide a finished appearance and generally sealed functionality to the boot 14 .
- the outer portions 22 , 22 a (which can be made of the same material and have the same appearance) form the entire outer surface of the boot 14 (except of the fastening components 44 b, 46 b ) providing a continuous and finished appearance.
- the boot 14 can be used with various other trousers, including trousers which do not include the moisture barrier extension 40 or otherwise contribute to form a generally vapor-tight or vapor-resistant connection with the boot 14 .
- the boot 14 shown herein thus has dual use capability as it can be used in standard firefighter trousers or other protective garments when a moisture or fluid tight, vapor-tight or vapor-resistant connection is desired.
- the steps shown in FIGS. 3-9 are carried out in reverse.
- the pulls 28 FIG. 2
- the pulls 28 are located on, or protrude outwardly from, a radially inner surface of the boot 14 . In this manner, the pulls 28 are spaced away from the flap 34 and fastening components 44 b, 46 b, and do not interfere with the coupling of the moisture barrier extension 40 to the boot 14 .
- the system 10 may utilize boots 14 that are detachable from the trousers 12 so that the trousers 12 and boots 14 can each be separately cleaned, maintained, and replaced as desired.
- the boots 14 can be used as a stand-alone components with other trousers which do not require a vapor-tight or vapor-resistant connection therewith (i.e., for non-CBRN suits).
- the system and method shown herein can also be used to form vapor/fluid-tight or vapor/fluid-resistant connections at other portions of garments.
- the system can be utilized to attach gloves to the sleeve of a coat; a hood to the body of the coat; a coat to a pair of trousers (i.e. about the waist of the coat and trousers, etc.), and make other connections in the same manner as described above and shown herein.
- the method and structure disclosed herein can be used to detachably, yet sealingly, attach various other garments and parts thereof together to provide the advantages specified herein.
Abstract
A boot and trousers system including a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids. The system further includes a boot having a body and an upper portion, wherein the upper portion is folded about the body of the boot to define a flap portion. The barrier material is releasably coupled to the flap portion and to the body.
Description
- The present invention is directed to a garment connection system, and more particularly, to a fluid-resistant garment connection system.
- Protective or hazardous duty garments are used in a variety of industries and settings to protect the wearer from hazardous conditions such as heat, fire, smoke, cold, sharp objects, chemicals, liquids, fumes and the like. Such protective or hazardous duty garments are often used in adverse conditions, such as in the presence of high temperatures, smoke, chemicals, vapors and the like. However, existing garments may not provide sufficient protection from harmful vapors or fluids, particularly at garment junctions.
- In one embodiment, the invention is a boot and trousers system including a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids. The system further includes a boot having a body and an upper portion, wherein the upper portion is folded about the body of the boot to define a flap portion. The barrier material is releasably coupled to the flap portion and to the body.
- In another embodiment, the invention is a boot and trousers system including a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids. The system further includes a boot having a body and an upper portion, wherein the upper portion is folded about the body of the boot to define a flap portion. At least part of the barrier material is positioned between the flap portion and the body.
-
FIG. 1 is a front perspective view of a user wearing a coat, trousers and boots; -
FIG. 2 is a side perspective cutaway view of a boot and a lower part of the trousers ofFIG. 1 ; -
FIG. 3 is a side cross section of the pant leg and boot ofFIG. 3 ; -
FIG. 3A is a side cross section of the pant leg and boot ofFIG. 3 , illustrating an alternate construction; -
FIGS. 4-8 are a series of side cross section views illustrating how the boot can be detached from the trousers; and -
FIG. 9 is a side cross section of the boot configured for stand-alone use. - As best shown in
FIGS. 1 and 2 , the present invention may take the form of asystem 10 for connecting a pair oftrousers 12 to a pair ofboots 14. Thetrousers 12 may include various layers through its thickness to provide various heat, moisture and abrasion resistant qualities so that thetrousers 12 can be used as a protective, hazardous duty, and/or firefighter garment. For example, thetrousers 12 may include anouter shell 16, a moisture-resistant/vapor-resistant/fluid-resistant barrier 18 located inside of and adjacent to theouter shell 16, and a thermal liner/barrier 20 located inside of and adjacent to the moisture/vapor barrier 18. In the illustrated embodiment thelayers moisture barrier 18 is positioned between thethermal barrier 20 andouter shell 16. However, if desired, this configuration can be reversed such that thethermal barrier 20 is positioned between theouter shell 16 and themoisture barrier 18. If desired, an inner liner or inner face cloth (not shown) may be positioned inside thethermal barrier 20 to form the inner-most layer of thetrousers 12. Moreover, if desired, thetrousers 10 may not necessarily include thethermal barrier 20. - The
outer shell 16 may be made of or include a variety of materials, including a flame, heat and abrasion resistant material such as a compact weave of aramid fibers and/or polybenzamidazole fibers. Commercially available aramid materials include NOMEX and KEVLAR fibers (both trademarks of E.I. DuPont de Nemours & Co., Inc. of Wilmington, Del.), and commercially available polybenzamidazole fibers include PBI fibers (a trademark of PBI Performance Fabrics of Charlotte, North Carolina). Thus, theouter shell 16 may be an aramid material, a blend of aramid materials, a polybenzamidazole material, a blend of aramid and polybenzamidazole materials, or other appropriate materials. If desired, theouter shell 16 may be covered with a polymer, such as a durable, water repellent finish (i.e. a perfluorohydrocarbon finish, such as TEFLON® finish sold by E. I. Du Pont de Nemours and Company of Wilmington, Del.). The materials of theouter shell 16 may have a weight of, for example, between about five and about ten oz/yd2. - The
moisture barrier 18 and thermal barrier 20 (if utilized) may be generally coextensive with theouter shell 16, or spaced slightly inwardly from the outer edges of the outer shell 16 (i.e., spaced slightly inwardly from the lower end of the legs or the waist) to provide moisture and thermal protection throughout thetrousers 12. - The
thermal barrier 20, if utilized, may be made of nearly any suitable material that provides sufficient thermal insulation. In one embodiment, thethermal barrier 20 may include a relatively thick (i.e. between about 1/16″- 3/16″) batting, felt or needled non-woven bulk or batting material, which can be coupled to a face cloth. The bulk material can also take the form of one or two (or more) layers of E-89® spunlace fabric made of a combination of NOMEX® and KEVLAR® fabric. The bulk material can also, or instead, include aramid fiber batting (such as NOMEX® batting), aramid needlepunch material, an aramid non-woven material, an aramid blend needlepunch material, an aramid blend batting material, an aramid blend non-woven material, foam (either open cell or closed cell), or other suitably thermally insulating materials. Thethermal barrier 20 may trap air and possess sufficient loft to provide thermal resistance to thetrousers 12. If desired, thethermal barrier 20, or parts thereof, may be treated with a water-resistant or water-repellent finish. - In one embodiment, the
thermal barrier 20 has a thermal protection performance (“TPP”) of at least about twenty, and in another embodiment, at least about thirty five. Moreover, in one embodiment thetrousers 12 as a whole will have a TPP of at least about twenty, and in another embodiment have a TPP of at least about thirty five, although thetrousers 12 may have a relatively low TPP is some cases and may not be particularly thermally insulating. - The
moisture barrier 18 may be generally water vapor permeable but generally impermeable to liquid moisture, as well as generally impermeable to the vapor form of harmful/undesirable materials (i.e. non-aqueous materials in one embodiment). Themoisture barrier 18 may have microscopic openings that permit moisture vapor (such as water vapor) to pass therethrough, but block liquids (such as liquid water) from passing therethrough. The microscopic openings may be small enough to allow water vapor to pass therethrough, but block vapors/airborne particulates, etc. of harmful materials, which can be larger than water vapor molecules. Thus themoisture barrier 18 can be considered a selective vapor barrier and/or can have selective vapor barrier (or near-complete vapor barrier) qualities, but is generally termed moisture barrier herein in compliance with common industry usage. - The
moisture barrier 18 may be made of a microporous material that is either hydrophilic, hydrophobic, or somewhere in between. Themoisture barrier 18 may also be monolithic and may allow water moisture vapor transmission therethrough by molecular diffusion. Themoisture barrier 18 may also be a combination of microporous and monolithic materials (known as a bicomponent moisture barrier), in which the microporous or monolithic materials are layered or intertwined. Themoisture barrier 18 may include a membrane layer bonded to a substrate of flame and heat resistant material on one or both sides thereof to provide structure and protection to the membrane layer. - The
moisture barrier 18 can instead, if desired, be generally impervious to all fluids, vapors, aerosols, liquids and gases, including water and water vapor. Themoisture barrier 18 can be configured to block harmful materials from passing therethrough. Such harmful materials may include liquids (including chemical warfare agents, biological warfare agents and toxic industrial chemicals), vapors and aerosols of an aqueous or non-aqueous nature (including chemical warfare agents and toxic industrial chemicals), and contaminated particulates (such as biological warfare agents). Examples of chemical warfare agents include soman (GD) nerve agent and distilled mustard (HD) blister agent. Examples of toxic industrial chemicals include acrolein (liquid), acrylonitrile (liquid), ammonia (gas), chlorine (gas), and dimethyl sulfate (liquid). - The
moisture barrier 18 may be made of or include expanded polytetrafluoroethylene (“PTFE”) such as GORE-TEX or CROSSTECH materials (both of which are trademarks of W. L. Gore & Associates, Inc. of Newark, Del.), polyurethane-based materials, neoprene-based materials, cross-linked polymers, polyamid, GORE® CHEMPAK® materials, sold by W. L. Gore & Associates, Inc. including GORE® CHEMPAK® Ultra Barrier Fabric, GORE® CHEMPAK® Selectively Permeable Fabric, or GORE® CHEMPAK® Sorptive Fabric, neoprene, rubber, synthetic rubber or other materials. Besides the materials outlined above, themoisture barrier 18 can be made of nearly any material that is generally impermeable to the materials which are desired to be prevented from contact with the wearer, or from contact with inner layers of thegarment 12. - In one embodiment, each layer of the
trousers 12, and thetrousers 12 as a whole, may meet the National Fire Protection Association (“NFPA”) 1971 standards for protective firefighting garments (“Protective Clothing for Structural Firefighting”), which are entirely incorporated by reference herein. The NFPA Structural Firefighting standards specify various minimum requirements for heat and flame resistance and for tear strength. For example, in order to meet the NFPA standards, each of theouter shell 16,moisture barrier 18, andthermal barrier 20 individually, and thetrousers 12 as a whole, must be able to resist igniting, burning, melting, dripping, separation and/or shrinking by more than 10% in any direction at a temperature of 500° F. for at least five minutes. Furthermore, in order to meet the NFPA standards, the combined layers of thetrousers 12 must provide a thermal protective performance rating of at least thirty five. - NFPA 1971 standards include a Chem/Bio Option, also known as the CBRN (chemical, biological, radiological and nuclear) Option (the entire contents of which are hereby incorporated by reference) which provides specifications that protective ensembles must meet in order to be certified under that Option. For example, the Chem/Bio Option specifies that the garment must pass a MIST test (Man In Simulant Test). In one case the MIST test essentially consists of introducing the garment into a chamber filled with a vaporized test material (such as oil of wintergreen). Absorbent pads are placed on the wearer and/or inside the garment. After the garment has been exposed to the vaporized material for a sufficient period of time, the garment is removed from the chamber. The absorbent pads are removed and analyzed to determine how much of the vaporized test material they have absorbed. Thus, the garment disclosed herein may instead, or also, be arranged to meet the Chem/Bion Option standards.
- However, the
trousers 12 may include various arrangements of liners/materials, as desired, in which the various layers described herein are included, omitted, and/or rearranged. For example, thetrousers 12 may lack anythermal barrier 20, or lack anymoisture barrier 16, or include only anouter shell 12 and lack other layers, etc., or may take on various other configurations as desired to meet various other NFPA requirements, and need not even necessarily be NFPA compliant. - The
boots 14 may also, in one embodiment, be compliant with NFPA regulations. Eachboot 14 may include anouter layer 22 made of a relatively strong, durable and abrasion-resistant material, such as leather, synthetic leather, rubber, synthetic rubber, fibrous materials such as NOMEX® or KEVLAR® fibers, or various other materials as desired. Eachboot 14 can include various inner layers as shown, for example, inFIGS. 3-9 . In one embodiment, eachboot 14 includes a fluid barrier/moisture barrier 24 and athermal barrier 26 positioned inside theouter layer 22. Each of theselayers boot 14. Themoisture barrier 24 andthermal barrier 26 may be made of the same or similar materials and/or have the same qualities as those outlined above for themoisture barrier 18 andthermal barrier 20 of thetrousers 12. However, thethermal liner 26 for theboots 14, if utilized, may not necessarily be fire resistant, and can be made of a nonwoven synthetic fabric such as CAMBRELLE® material sold by Camtex Fabrics Limited of Cumbria, United Kingdom, with a moisture barrier attached thereto.FIGS. 3-9 illustrate themoisture barrier 24 positioned between theouter layer 22 and thethermal barrier 26; however, if desired, the position of these layers may be reversed such that thethermal barrier 26 is positioned between theouter layer 22 and themoisture barrier 24. - In one embodiment, the moisture barrier/
fluid barrier 24 is generally continuous and extends throughout theboot 14 to provide continuous moisture/vapor/fluid protection thereto. Similarly, themoisture barrier 18 of thetrousers 12 may be generally continuous and extend throughout thetrousers 12 to provide continuous moisture/vapor/fluid protection thereto. By “continuous” it is meant that continuous moisture/vapor/fluid protection is provided; not necessarily that only a single seamless moisture/vapor/fluid barrier layer is provided. In other words, multiple pieces of amoisture barrier 18/24 can be coupled together in a moisture tight/vapor tight/selectively vapor tight manner and still be continuous as intended herein (although a one-piece moisture could also of course be utilized and considered continuous). If desired, themoisture barrier 22 andthermal barrier 26 of theboots 14 can be made of a differing material than theparticular moisture barrier 18 andthermal barrier 20 of the associatedtrousers 12. - Each
boot 14 may include a pair of pulls 28 (FIG. 2 ) on opposite sides thereof to aid the wearer in pulling theboot 14 over his or her feet. Eachboot 14 may include a durable, puncture-resistant tread or sole 30 on its bottom surface thereof and made of a differing material than theouter layer 22, ormoisture barrier 24 orthermal barrier 26. Eachboot 14, and thetread 30, is thus designed to provide the outer-most surface protecting a wearer's foot to protect from abrasion, wear, and rough or sharp materials (such as broken glass, metal shards, etc.) on ground surfaces. - Each
boot 14 includes abody portion 32 and an upper portion, flap orflap portion 34 forming, and/or extending away from, anupper edge 36 of thebody portion 32. When folded as shown inFIG. 3 , theflap portion 34 defines aspace 38 between theflap portion 34 and thebody portion 32. In the illustrated embodiment, theflap portion 34 includes an outerprotective portion 22 a that can be of the same (or differing) material as theouter layer 22 of theboot 14. If desired, theflap portion 34 may include one or more of theinner layers FIGS. 3-9 , theflap portion 34 includes aportion 26 a of thethermal barrier material 26. In the illustrated embodiment, thethermal barrier 26 a of theflap 34 is continuous with thethermal barrier 26 of thebody portion 32. However, if desired, thethermal barrier 26 a in theflap 34 can be separate and discrete from thethermal barrier 26 in thebody portion 32 of theboot 14. Alternately, if desired, thethermal barrier 26 a can be omitted from theflap 34. - As shown in
FIG. 3A , in one embodiment theflap 34 includes a moisture barrier portion 24 a. In the embodiment ofFIG. 3A , the flap moisture barrier 24 a is continuous with thebody moisture barrier 24, but themoisture barriers 24, 24 a can be made of separate pieces of material if desired. - As best shown in
FIGS. 2 and 3 , themoisture barrier 18 of thetrousers 12 includes a generallyannular extension portion 40 which extends away (generally upwardly in the configuration ofFIGS. 2 and 3 ) from the lower edge of thetrousers 12. A distal end of theextension portion 40 is received in thespace 38 between theflap portion 34 and thebody 32 of theboot 14. In the illustrated embodiment, the end of theextension 40 is folded about itself under theflap portion 34, as shown inFIGS. 2-4 , to form a two-ply folded section of thebarrier material 42. The foldedsection 42 can be omitted but may aid in sealing theboot 14/trousers 12 connection, as will be described in greater detail below. - The
moisture barrier extension 40 includes a pair offastening components FIG. 3 ,fastening component 44 a on the radially outer surface of theextension portion 40 releasably engages acorresponding fastening component 44 b at or adjacent to the end of theflap portion 34.Fastening component 46 a on the radially inner surface of theextension portion 40 releasably engages acorresponding fastening component 46 b at or near theupper edge 36 of thebody 32 of theboot 14. - In the illustrated embodiment, each
fastening component FIG. 2 which is associated withfastening components fastening components fastening components components fastening components - The arrangement shown in
FIGS. 2 and 3 provides a relatively vapor tight/fluid tight/selectively vapor tight arrangement to the wearer. In particular, instead of having trousers which are open at the bottom in which an annular gap is formed about eachboot 14, themoisture barrier extension 40 extends from the radially inner surface/lower edge of thetrousers 12 to theboot 14, and is coupled thereto. Moreover, eachboot 14 includes itsown moisture barrier 24 that is coupled to themoisture barrier extension 40 in a fluid tight/vapor tight manner via thefastening components boot 14 and/or inner cavity of the legs of thetrousers 12. The wearer can thus remain relatively protected from harmful vapors and thetrousers 12/boot 14 form a sealed connection/cavity therebetween. Moreover, should any vapor or moisture penetrate through theouter layer 22 of theboots 14, themoisture barrier 24 within theboots 14 helps to protect the wearer from contamination. - Because the
moisture barrier extension 40 is trapped or sandwiched between theflap 34 and thebody 32 of theboot 14, a relatively vapor tight connection is formed therebetween, and in particular the foldedportion 42 can be compressed by the foldedportion 34, and held in place by thefastening components portion 42. In the embodiment ofFIG. 3A , the foldedportion 42 is pressed into contact with, and directly engages, themoisture barrier 24 of theboot 14 to aid in sealing of theboot 14. - Moreover, the
fastening components moisture barrier extension 40 to theboot 14, thereby further protecting against vapor penetration. If desired, more complete vapor protection can be provided by using vapor-tight fasteners (at least forfastening components fastening components fastening components coupling arrangement 10 shown herein, in combination with various other protective features, may provide a garment/ensemble which passes the MIST test, and more broadly, meets the Chem/Bio Option of NFPA 1971 standards. - In order to detach the
boot 14 andtrousers 12, thefastening components FIG. 4 . Next, as shown inFIG. 5 , theflap portion 34 is unfolded until theflap portion 34 extends vertically upwardly from theupper edge 36 of thebody 32 of theboot 14. Next, theextension portion 40 is inverted (i.e. turned inside-out), such as by partially extracting theboot 14 out from thetrousers 12, as shown inFIG. 6 . Inverting the extension portion in this manner may help to provide easier/direct access to thefastening components FIG. 7 , thefastening components FIG. 8 , theboot 14 is completely separated from thetrousers 12. - Next, as shown in
FIG. 9 , theboot 14 can be configured for use as a stand alone boot; i.e., for use in a manner in which theboot 14 is not sealingly coupled to thetrousers 12. In particular, thefastening component 44 b offlap portion 34 can be releasably coupled to thefastening component 46 b of thebody 32 of theboot 14 to provide a finished appearance and generally sealed functionality to theboot 14. For example, in the illustrated embodiment theouter portions fastening components boot 14 can be used with various other trousers, including trousers which do not include themoisture barrier extension 40 or otherwise contribute to form a generally vapor-tight or vapor-resistant connection with theboot 14. - The
boot 14 shown herein thus has dual use capability as it can be used in standard firefighter trousers or other protective garments when a moisture or fluid tight, vapor-tight or vapor-resistant connection is desired. In order to couple theboot 14 to thetrousers 12/moisture barrier extension 40, the steps shown inFIGS. 3-9 are carried out in reverse. It should be noted that the pulls 28 (FIG. 2 ) are located on, or protrude outwardly from, a radially inner surface of theboot 14. In this manner, thepulls 28 are spaced away from theflap 34 andfastening components moisture barrier extension 40 to theboot 14. - Thus, the
system 10 may utilizeboots 14 that are detachable from thetrousers 12 so that thetrousers 12 andboots 14 can each be separately cleaned, maintained, and replaced as desired. Moreover, theboots 14 can be used as a stand-alone components with other trousers which do not require a vapor-tight or vapor-resistant connection therewith (i.e., for non-CBRN suits). - The system and method shown herein can also be used to form vapor/fluid-tight or vapor/fluid-resistant connections at other portions of garments. For example, the system can be utilized to attach gloves to the sleeve of a coat; a hood to the body of the coat; a coat to a pair of trousers (i.e. about the waist of the coat and trousers, etc.), and make other connections in the same manner as described above and shown herein. The method and structure disclosed herein can be used to detachably, yet sealingly, attach various other garments and parts thereof together to provide the advantages specified herein.
- Although the invention is shown and described with respect to certain embodiments, it should be clear that modifications will occur to those skilled in the art upon reading and understanding the specification, and the present invention includes all such modifications.
Claims (27)
1. A boot and trousers system comprising:
a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids; and
a boot having a body and an upper portion, wherein said upper portion is folded about said body of said boot to define a flap portion, wherein said barrier material is releasably coupled to said flap portion and to said body.
2. The system of claim 1 wherein said barrier material is generally impermeable to water vapor.
3. The system of claim 1 wherein at least part of the barrier material is positioned between said flap portion and said body.
4. The system of claim 1 wherein the trousers includes an outer shell, and wherein part of the barrier material is positioned adjacent to said outer shell, and wherein the barrier material includes an extension portion extending beyond a lower edge of said outer shell, and wherein at least part of said extension portion of said barrier material is positioned between said flap portion and said body and wherein said extension portion is releasably coupled to said flap portion and to said body.
5. The system of claim 1 wherein a distal end of said barrier material is positioned between said flap portion and said body portion and folded about itself to form a two-ply portion of barrier material.
6. The system of claim 1 wherein said barrier material includes a first attachment portion positioned on a first side thereof and configured to be releasably coupled to a corresponding attachment portion of said flap portion, and wherein said barrier material includes a second attachment portion positioned on a second side thereof and configured to be releasably coupled to a corresponding attachment portion of said body.
7. The system of claim 6 wherein said first attachment portion and said corresponding attachment portion of said flap portion are configured to be releasably attached in a fluid-tight manner, and wherein said second attachment portion and said corresponding attachment portion of said body are configured to be releasably attached in a fluid-tight manner.
8. The system of claim 6 wherein said attachment portion of said flap portion and said attachment portion of said body are configured to be releasably attachable to each other.
9. The system of claim 6 wherein each second attachment portion extends around substantially the entire perimeter of the associated boot or trousers leg.
10. The system of claim 6 wherein said second attachment portion is positioned between said flap portion and said body.
11. The system of claim 1 wherein said boot has a barrier material extending throughout the body thereof which is generally impermeable to undesired fluids.
12. The system of claim 11 wherein the barrier material of the trousers is directly releasably coupled to the barrier material of the boot to provide generally continuous barrier material protection.
13. The system of claim 1 wherein said flap portion lacks a barrier material which is generally impermeable to undesired fluids.
14. The system of claim 1 wherein said barrier material is generally liquid impermeable but generally moisture vapor permeable.
15. A boot and trousers system comprising:
a pair of trousers, the trousers including a barrier material which is generally impermeable to undesired fluids; and
a boot having a body and an upper portion, wherein said upper portion is folded about said body of said boot to define a flap portion, wherein at least part of the barrier material is positioned between said flap portion and said body.
16. The system of claim 15 wherein said barrier material is releasably coupled to said flap portion and to said body.
17. A boot and trousers system comprising:
a pair of trousers, the trousers including an outer shell and a barrier material which is generally impermeable to undesired fluids and positioned adjacent to said outer shell, wherein said barrier material includes an extension portion extending beyond a lower edge of said outer shell; and
a boot including a barrier material which is generally impermeable to undesired fluids, wherein the extension portion of said barrier material is directly releasably coupled to the barrier material of the boot to provide generally continuous fluid protection.
18. The system of claim 17 wherein said boot has a body and an upper portion, wherein said upper portion is folded about said body of said boot to define a flap portion, and wherein at least part of the barrier material of said trousers is positioned between said flap portion and said body.
19. The system of claim 18 wherein said barrier material is releasably coupled to said flap portion and to said body.
20. A system comprising:
a first item configured to be worn by a wearer, the first item including a barrier material which is generally impermeable to undesired fluids; and
a second item configured to be worn by a wearer and including a barrier material which is generally impermeable to undesired fluids, wherein said second item includes a body and a flap portion folded about said body, wherein the barrier material of the first item is releasably coupled to the flap portion and the body of the second item to provide generally continuous barrier protection.
21. The system of claim 20 wherein one of the items is a pair trousers and the other item is a boot; or one of the items is a coat and the other item is a glove; or one of the items is a coat and the other item is a hood; or one of the items is a coat and said the other item is a pair of trousers.
22. A boot system comprising:
a boot shaped and configured to receive a wearer's foot therein, said boot including first and a second attachment portions at or adjacent to an upper end thereof, wherein the boot is movable between a first configuration in which the first and second attachment portions are releasably attached together, and a second configuration in which the first attachment portion is attached to a first side of a barrier material of a pair of trousers which is generally impermeable to undesired fluids, the second attachment portion is attached to a second side of the barrier material of said trousers.
23. The system of claim 22 wherein the first and second attachment portions are positioned on an outer surface of the boot and extend entirely around the perimeter thereof
24. The system of claim 22 wherein said boot has a barrier material extending throughout a body thereof which is generally impermeable to undesired fluids.
25. The system of claim 22 wherein said boot is in said second configuration in which the first attachment portion is attached to said first side of said barrier material of the trousers, and wherein the second attachment portion is attached to said second side of the barrier material of said trousers.
26. The system of claim 25 wherein said boot an upper portion folded about said body thereof to define a flap portion, and wherein at least part of the barrier material of said trousers is positioned between said flap portion and said body.
27. The system of claim 22 wherein the trousers includes an outer shell, and wherein part of the barrier material of said trousers is positioned adjacent to said outer shell, and wherein the barrier material of said trousers includes an extension portion extending beyond a lower edge of said outer shell, and wherein said extension portion of said barrier material is directly releasably coupled to the barrier material of the boot.
Priority Applications (1)
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US12/874,449 US20110047675A1 (en) | 2009-09-02 | 2010-09-02 | Garment connection system |
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US12/874,449 US20110047675A1 (en) | 2009-09-02 | 2010-09-02 | Garment connection system |
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US20130283645A1 (en) * | 2012-04-25 | 2013-10-31 | Sharanda Houser | System for straightening footwear |
US20160150849A1 (en) * | 2013-07-19 | 2016-06-02 | Yuet Kwan Priscilla CHEUNG | A separable waterproof shoe and shoe shaft |
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DE102018123778A1 (en) * | 2018-09-26 | 2020-03-26 | Wolfgang Papenmeier | Shoe with protective device |
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US20130031703A1 (en) * | 2011-08-02 | 2013-02-07 | Lion Apparel, Inc. | Protective Garment with Vent Features |
US9038203B2 (en) * | 2011-08-02 | 2015-05-26 | Lion Group, Inc. | Protective garment with vent features |
US9526926B2 (en) | 2011-08-02 | 2016-12-27 | Lion Group, Inc. | Protective garment with vent features |
US20130283645A1 (en) * | 2012-04-25 | 2013-10-31 | Sharanda Houser | System for straightening footwear |
US20160150849A1 (en) * | 2013-07-19 | 2016-06-02 | Yuet Kwan Priscilla CHEUNG | A separable waterproof shoe and shoe shaft |
US20160309835A1 (en) * | 2013-12-11 | 2016-10-27 | Decathlon | Method for producing a footwear item having a shoe provided with an external upper |
US10080398B2 (en) * | 2013-12-11 | 2018-09-25 | Decathlon | Method for producing a footwear item having a shoe provided with an external upper |
DE102018123778A1 (en) * | 2018-09-26 | 2020-03-26 | Wolfgang Papenmeier | Shoe with protective device |
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Legal Events
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---|---|---|---|
AS | Assignment |
Owner name: LION APPAREL, INC., OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ALDRIDGE, DONALD;REEL/FRAME:024941/0894 Effective date: 20100831 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |