Patent US3100784A successfully refreshed from Google Patents.
US6103641A
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US
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Blunt trauma reduction fabric for body armor
Assignee: Gehring Textiles Inc
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Filing: 1998-04-09
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Granted: 2000-08-15
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Expires: 2018-04-09
Abstract
Abstract A three-dimensional knit spacer fabric for use in ballistic protective garments is provided. The fabric includes a first fabric layer made from high performance, high tenacity yarns; a second fabric layer of an open mesh construction to facilitate air circulation; and a plurality of high performance monofilament yarns interconnecting the two layers.
Inventors
- 👤 George G. Gehring, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:04
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B33/00; B32B5/02; B32B5/026; B32B5/028; D; D04; D04B; D04B1/00; D04B1/14; D04B1/16; D04B21/00; D04B21/14; D04B21/16; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485; B32B2262/00; B32B2262/02; B32B2262/0276; B32B2305/00; B32B2305/38; B32B2571/00; B32B2571/02; D10; D10B; D10B2401/00; D10B2401/02; D10B2401/022; D10B2401/06; D10B2401/063; D10B2403/00; D10B2403/01; D10B2403/011; D10B2403/0114; D10B2403/02; D10B2403/021; D10B2403/0213; D10B2501/00; D10B2501/04; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/172; Y10T442/178; Y10T442/20; Y10T442/2615; Y10T442/2623
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
97 words
A body armor for use in ballistic protection garments comprising a first overlying fabric portion made from a ballistic resistant material and a second underlying fabric portion comprising a three-dimensional knit spacer fabric, said spacer fabric defined by a front face fabric layer, a back face fabric layer, and a plurality of yarns interconnecting said front and back face fabric layers, wherein said front and back face fabric layers are spaced from one another and wherein said plurality of interconnecting yarns have a length extending between said layers that substantially corresponds to the distance between said layers.
Claim 2
Dependent Claim
97 words
A body armor for use in ballistic protection garments comprising a first overlying fabric portion made from a ballistic resistant material and a second underlying fabric portion comprising a three-dimensional knit spacer fabric, said spacer fabric defined by a front face fabric layer, a back face fabric layer, and a plurality of yarns interconnecting said front and back face fabric layers, wherein said front and back face fabric layers are spaced from one another and wherein said plurality of interconnecting yarns have a length extending between said layers that substantially corresponds to the distance between said layers.
Claim 3
Dependent Claim
26 words
The body armor of claim 1, wherein said front face fabric layer is made from high performance yarns of a tenacity of at least 15 gram/denier.
Claim 4
Dependent Claim
30 words
The body armor of claim 1, wherein said front face fabric layer is spaced from said back face fabric layer by a distance of between about 12 and 30 millimeters.
Claim 5
Dependent Claim
12 words
The body armor of claim 1, wherein said interconnecting yarns are monofilament.
Claim 6
Dependent Claim
16 words
The body armor of claim 1, wherein the interconnecting yarns have a fineness of 70-200 denier.
Claim 7
Dependent Claim
20 words
The body armor of claim 1, wherein the interconnecting yarns have a density between about 1,000 and 3,000 threads/sq. inch.
Claim 8
Dependent Claim
25 words
The body armor of claim 1, wherein the interconnecting yarns have a stiffness of between about 30 and 90 based on the Shore A scale.
Claim 9
Dependent Claim
23 words
The body armor of claim 1, wherein the interconnecting yarns are selected from high performance yarns of a tenacity of at least 15/gram/denier.
Claim 10
Dependent Claim
17 words
The body armor of claim 1, wherein said back face fabric layer is made from polyester yarns.
Claim 11
Dependent Claim
14 words
The body armor of claim 9, wherein said polyester yarns have been rendered hydrophilic.
Claim 12
Dependent Claim
20 words
The body armor of claim 1, wherein said back face layer is in open mesh form to facilitate air circulation.
Claim 13
Dependent Claim
27 words
The body armor of claim 1, wherein said front face fabric layer is made from ground yarns and inlay yarns disposed substantially straight within said ground yarns.
Claim 14
Dependent Claim
38 words
The body armor of claim 1 wherein said plurality of yarns interconnecting said first and second layers are made of a material with a high tenacity selected to maintain said layers at a preselected distance from each other.
Claim 15
Dependent Claim
24 words
The body armor of claim 1 wherein said plurality of yarns interconnecting said first and second layers extend substantially transversally between said two layers.
Claim 16
Dependent Claim
135 words
A body armor for use in ballistic protection garments comprising a first overlying fabric portion made from a ballistic resistant material and a second underlying fabric portion comprising a three-dimensional knit spacer fabric, said spacer fabric defined by a front face fabric layer, a back face fabric layer, and a plurality of yarns interconnecting said front and back face fabric layers, wherein said front and back face fabric layers are spaced from one another at a preselected distance; wherein said plurality of yarns each have a length between said front and back face fabric layers, which length is substantially equal to said distance; and wherein said plurality of yarns interconnecting said first and second layers are made of a material with a high tenacity selected to maintain said layers at said distance from each other.
Claim 17
Dependent Claim
135 words
A body armor for use in ballistic protection garments comprising a first overlying fabric portion made from a ballistic resistant material and a second underlying fabric portion comprising a three-dimensional knit spacer fabric, said spacer fabric defined by a front face fabric layer, a back face fabric layer, and a plurality of yarns interconnecting said front and back face fabric layers, wherein said front and back face fabric layers are spaced from one another at a preselected distance; wherein said plurality of yarns each have a length between said front and back face fabric layers, which length is substantially equal to said distance; and wherein said plurality of yarns interconnecting said first and second layers are made of a material with a high tenacity selected to maintain said layers at said distance from each other.
Claim 18
Dependent Claim
18 words
The body of claim 15 wherein said preselected length is in the order of 12 to 30 mm.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-08-15 | 2004-02-14 | 2004-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-08-15 | 2008-02-14 | 2008-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-08-15 | 2012-02-14 | 2012-08-15 | $7700.00 | Window Closed / Lapsed |