US4522871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballistic material for flexible body armor and the like
Assignee: Safariland LLC
•
Filing: 1983-04-06
•
Granted: 1985-06-11
•
Expires: 2003-04-06
Abstract
Abstract Improved ballistic material comprising a multiplicity of plies of ballistic cloth woven with an aramid, e.g., Kevlar, thread, one or more of which plies are treated with resorcinol formaldehyde latex to coat the aramid threads and fill the interstices between the threads of a treated ply.
Inventors
- 👤 Richard A. Armellino, Jr.
- 👤 Stephen E. Armellino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:34
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B5/28; B32B5/02; B32B5/024; B32B5/06; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485; B32B2250/00; B32B2250/05; B32B2250/20; B32B2260/00; B32B2260/02; B32B2260/021; B32B2260/04; B32B2260/046; B32B2262/00; B32B2262/02; B32B2262/0261; B32B2262/0269; B32B2571/00; B32B2571/02; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T442/00; Y10T442/20; Y10T442/2615; Y10T442/2623
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
81 words
A ballistic material suitable for use in flexible body armor, wall coverings and liners, curtains and draperies, said material comprising, from the outer protective side to the inner side of said material, at least three plies of ballistic cloth woven of aramid fibers and each individually impregnated with resorcinol formaldehyde latex means, at least nine plies of non-impregnated ballistic cloth woven of aramid fibers, and a ply of ballistic cloth woven of aramid fibers and impregnated with resorcinol formaldehyde latex means.
Claim 2
Dependent Claim
81 words
A ballistic material suitable for use in flexible body armor, wall coverings and liners, curtains and draperies, said material comprising, from the outer protective side to the inner side of said material, at least three plies of ballistic cloth woven of aramid fibers and each individually impregnated with resorcinol formaldehyde latex means, at least nine plies of non-impregnated ballistic cloth woven of aramid fibers, and a ply of ballistic cloth woven of aramid fibers and impregnated with resorcinol formaldehyde latex means.
Claim 3
Dependent Claim
27 words
A ballistic material according to claim 1 in which the impregnated and non-impregnated plies are stitched together to minimize oblique penetration of the material by a missile.
Claim 4
Dependent Claim
27 words
A ballistic material according to claim 1 wherein the non-impregnated plies are woven of 1000 denier fiber and the impregnated plies are woven of 1500 denier fiber.
Claim 5
Dependent Claim
56 words
A ballistic material according to claim 3 wherein the 1000 denier plies are plain woven and have a warp and a weft of approximately thirty one threads per inch and the 1500 denier plies are woven in a two by two basketweave and have a warp and a weft of approximately thirty four threads per inch.
Claim 6
Dependent Claim
37 words
A ballistic material according to claim 4 including, on the inner side of said material, a non-impregnated ply of 1000 denier plain woven cloth having a warp and a weft of approximately thirty one threads per inch.
Claim 7
Dependent Claim
27 words
A ballistic material according to claim 4 wherein the impregnated and the non-impregnated plies are stitched together to minimize oblique penetration of the material by a missile.
Claim 8
Dependent Claim
81 words
A ballistic material suitable for use in flexible body armor, wall coverings and liners, curtains and draperies, said material comprising, from the outer protective side to the inner side of said material, at least four plies of ballistic cloth woven of aramid fibers and each individually impregnated with resorcinol formaldehyde latex means, at least eleven plies of non-impregnated ballistic cloth woven of aramid fibers, and a ply of ballistic cloth woven of aramid fibers and impregnated with resorcinol formaldehyde latex means.
Claim 9
Dependent Claim
81 words
A ballistic material suitable for use in flexible body armor, wall coverings and liners, curtains and draperies, said material comprising, from the outer protective side to the inner side of said material, at least four plies of ballistic cloth woven of aramid fibers and each individually impregnated with resorcinol formaldehyde latex means, at least eleven plies of non-impregnated ballistic cloth woven of aramid fibers, and a ply of ballistic cloth woven of aramid fibers and impregnated with resorcinol formaldehyde latex means.
Claim 10
Dependent Claim
27 words
A ballistic material according to claim 7 in which the impregnated and non-impregnated plies are stitched together to minimize oblique penetration of the material by a missile.
Claim 11
Dependent Claim
27 words
A ballistic material according to claim 7 wherein the non-impregnated plies are woven of 1000 denier fiber and the impregnated plies are woven of 1500 denier fiber.
Claim 12
Dependent Claim
56 words
A ballistic material according to claim 9 wherein the 1000 denier plies are plain woven and have a warp and a weft of approximately thirty one threads per inch and the 1500 denier plies are woven in a two by two basketweave and have a warp and a weft of approximately thirty four threads per inch.
Claim 13
Dependent Claim
37 words
A ballistic material according to claim 10 including, on the inner side of said material, a non-impregnated ply of 1000 denier plain woven cloth having a warp and a weft of approximately thirty one threads per inch.
Claim 14
Dependent Claim
27 words
A ballistic material according to claim 10 wherein the impregnated and the non-impregnated plies are stitched together to minimize oblique penetration of the material by a missile.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-10 | 1988-12-10 | 1989-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-10 | 1992-12-10 | 1993-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-10 | 1996-12-10 | 1997-06-11 | $7700.00 | Window Closed / Lapsed |