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US5196252A Expired / Lapsed US ⏱️ 0.0 years remaining

Ballistic resistant fabric articles

Assignee: Honeywell International Inc
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Filing: 1990-11-19
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Granted: 1993-03-23
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Expires: 2010-11-19
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Abstract

Abstract A flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises a flexible substrate layer having a plurality of planar non-metallic bodies mechanically affixed to a surface thereof.

Inventors

  • 👤 Gary A. Harpell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:04
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/10; B32B3/14; B32B5/00; B32B5/02; B32B5/022; B32B7/00; B32B7/04; B32B7/08; B32B7/09; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0414; F41H5/0428; F41H5/0435; F41H5/0471; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2262/0261; B32B2262/0269; B32B2262/10; B32B2262/101; B32B2262/14; B32B2307/00; B32B2307/50; B32B2307/54; B32B2309/00; B32B2309/06; B32B2571/00; B32B2571/02; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10S428/911; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24132

Claims Analysis

Total Claims: 52
Claim 1
Independent Claim 59 words
A flexible penetration resistant article of manufacture comprising at least one substrate layer comprising a plurality of rigid penetration resistant non-metallic planar bodies affixed to a surface thereof such that said article has at least three continuous or semi-continuous seams in which the seam directions intersect at an angle, wherein said article is capable of flexing along said seams.
Claim 2
Dependent Claim 59 words
A flexible penetration resistant article of manufacture comprising at least one substrate layer comprising a plurality of rigid penetration resistant non-metallic planar bodies affixed to a surface thereof such that said article has at least three continuous or semi-continuous seams in which the seam directions intersect at an angle, wherein said article is capable of flexing along said seams.
Claim 3
Dependent Claim 14 words
An article as recited in claim 1 wherein said planar bodies have regular shapes.
Claim 4
Dependent Claim 15 words
An article as recited in claim 1 wherein apexes of said planar bodies are truncated.
Claim 5
Dependent Claim 36 words
An article as recited in claim 1 wherein said planar bodies are affixed to said surface of said substrate by one or more points of mechanical affixation which are spaced from the boundary of said bodies.
Claim 6
Dependent Claim 16 words
An article as recited in claim 1 wherein said bodies are sewn to a substrate layer.
Claim 7
Dependent Claim 12 words
An article as recited in claim 2 wherein said seams are continuous.
Claim 8
Dependent Claim 17 words
An article as recited in claim 6 wherein seam directions are at an angle of about 60°.
Claim 9
Dependent Claim 29 words
An article as recited in claim 6 wherein said planar bodies are of a triangular shape, or is a combination of trapezoidal, parallelogram shaped hexagonal and triangular shape bodies.
Claim 10
Dependent Claim 32 words
An article as recited in claim 8 wherein said triangular shaped bodies are in the shape of or substantially of the shape of right angle triangles, equilateral triangles or a combination thereof.
Claim 11
Dependent Claim 24 words
An article as recited in claim 9 wherein said triangular bodies are in the shape of or substantially of the shape of equilateral triangles.
Claim 12
Dependent Claim 20 words
An article as recited in claim 8 wherein said substrate layer is a fibrous layer comprising a network of fibers.
Claim 13
Dependent Claim 50 words
An article as recited in claim 11 wherein said substrate layer is a fibrous layer comprising a network of high strength fibers having a tensile strength of at least about 7 grams/denier, a tensile modulus of at least about 160 grams/denier and an energy-to-break of at least about 30 joules/gram.
Claim 14
Dependent Claim 43 words
An article as recited in claim 12 wherein the fibers have a tenacity equal to or greater than about 10 g/d, a tensile modulus equal to or greater than about 150 g/d and an energy-to-break equal to or greater than about 10 j/g.
Claim 15
Dependent Claim 42 words
An article as recited in claim 13, wherein said tenacity is equal to or greater than about 20 g/d, said modulus is equal to or greater than about 500 g/d, and said energy-to-break is equal to or greater than about 15 j/g.
Claim 16
Dependent Claim 42 words
An article as recited in claim 14 wherein said tenacity is equal to or greater than about 25 g/d, said modulus is equal to or greater than about 1000 g/d, and said energy-to-break is equal to or greater than about 20 j/g.
Claim 17
Dependent Claim 42 words
An article as recited in claim 13 wherein said tenacity is equal to or greater than about 30 g/d, said modulus is equal to or greater than about 1300 g/d, and said energy-to-break is equal to or greater than about 30 j/g.
Claim 18
Dependent Claim 22 words
An article as recited in claim 11 wherein said fibers are polyethylene fibers, aramid fibers, nylon fibers, glass fibers or mixtures thereof.
Claim 19
Dependent Claim 13 words
An article as recited in claim 17 wherein said fibers are polyethylene fibers.
Claim 20
Dependent Claim 13 words
An article as recited in claim 17 wherein said fibers are aramid fibers.
Claim 21
Dependent Claim 27 words
An article as recited in claim 17 wherein said fibers are a mixture of at least two of polyethylene fibers, nylon fibers, aramid fibers and glass fibers.
Claim 22
Dependent Claim 13 words
An article as recited in claim 17 wherein said fibers are glass fibers.
Claim 23
Dependent Claim 34 words
An article as recited in claim 17 wherein said substrate layer comprises at least one sheet-like fiber array in which said fibers are arranged substantially parallel to one another along a common fiber direction.
Claim 24
Dependent Claim 38 words
An article as recited in claim 22 wherein said substrate layer comprises more than one array, with adjacent arrays aligned at an angle with respect to the longitudinal axis of the parallel filaments contained in said adjacent array.
Claim 25
Dependent Claim 17 words
An article as recited in claim 23 wherein said angle is from about 45° to about 90°.
Claim 26
Dependent Claim 13 words
An article as recited in claim 24 wherein said angle is about 90°.
Claim 27
Dependent Claim 19 words
An article as recited in claim 17 wherein said substrate layer comprises a non-woven fabric or a woven fabric.
Claim 28
Dependent Claim 15 words
An article as recited in claim 17 wherein said fibrous layer comprises a woven fabric.
Claim 29
Dependent Claim 18 words
An article as recited in claim 17 wherein said substrate layer comprises fibrous network in a polymer matrix.
Claim 30
Dependent Claim 32 words
An article as recited in claim 28 wherein said fibrous network comprises a sheet-like fiber array in which said fibers are arranged substantially parallel to one another along a common fiber direction.
Claim 31
Dependent Claim 39 words
An article as recited in claim 29 wherein said network comprises a plurality of sheet-like fiber arrays in which adjacent arrays are aligned at an angle with the common fiber direction of the parallel fibers contained in said arrays.
Claim 32
Dependent Claim 17 words
An article as recited in claim 30 wherein said angle is from about 45° to about 90°.
Claim 33
Dependent Claim 13 words
An article as recited in claim 31 wherein said angle, is about 90°.
Claim 34
Dependent Claim 26 words
An article as recited in claim 17 wherein said planar bodies are formed from a ceramic, a polymeric composite, multilayered fiber composite or a combination thereof.
Claim 35
Dependent Claim 24 words
An article as recited in claim 33 where said rigid planar bodies are a polymeric composite, a multilayered fiber composite or a combination thereof.
Claim 36
Dependent Claim 33 words
An article as recited in claim 34 wherein said planar bodies comprise a polymeric composite, which comprises a fibrous network of inorganic fibers, organic fibers or a combination thereof in a polymeric matrix.
Claim 37
Dependent Claim 22 words
An article as recited in claim 35 wherein said fibrous network comprises aramid fibers, glass fibers, polyethylene fibers or a combination thereof.
Claim 38
Dependent Claim 37 words
An article as recited in claim 36 wherein said fibrous network comprises one or more sheet-like fibers arrays in which the fibers in each array are arranged substantially parallel to one another along a common filament direction.
Claim 39
Dependent Claim 38 words
An article as recited in claim 37 wherein said fibrous network comprises more than one fiber array, with adjacent arrays aligned at an angle with respect to the longitudinal axis of the parallel fibers contained in said arrays.
Claim 40
Dependent Claim 17 words
An article as recited in claim 38 wherein said angle is from about 45° to about 90°.
Claim 41
Dependent Claim 13 words
An article as recited in claim 39 wherein said angle is about 90°.
Claim 42
Dependent Claim 19 words
An article as recited in claim 36 wherein said fiber are aramid fiber, polyethylene fibers or a combination thereof.
Claim 43
Dependent Claim 27 words
An article as recited in claim 33 wherein said planar bodies are a multilayered fiber composite wherein all or a portion of said layers are secured together.
Claim 44
Dependent Claim 23 words
An article as recited in claim 42 wherein said fiber are aramid fibers, glass fibers, polyethylene fibers, nylon fibers or a combination thereof.
Claim 45
Dependent Claim 19 words
An article as recited in claim 43 wherein said fibers are aramid fibers, polyethylene fibers or a combination thereof.
Claim 46
Dependent Claim 15 words
An article as recited in claim 44 or 36 wherein, said fibers are aramid fibers.
Claim 47
Dependent Claim 15 words
An article as recited in claim 44 or 36 wherein said fibers are polyethylene fibers.
Claim 48
Dependent Claim 21 words
An article as recited in claim 44 or 36 wherein said fibers are a combination of aramid fibers and polyethylene fibers.
Claim 49
Dependent Claim 29 words
An article as recited in claim 36 or 44 wherein said fibers is a combination of at least two of glass fibers, nylon fibers, aramid fibers and polyethylene fibers.
Claim 50
Dependent Claim 71 words
An article as recited in claim 36 or 44 which comprises first and second composite layers, each of which is partially covered by a plurality of said planar bodies forming a pattern of covered and uncovered area, said first and second composite layers positioned such that the uncovered areas of the surface of one layer are in correspondence and alignment with the covered areas of the surface of the other layer.
Claim 51
Dependent Claim 15 words
An article as recited in claim 49 wherein said first and second layers are adjacent.
Claim 52
Dependent Claim 29 words
An article as recited in claim 49 wherein the uncovered areas of the surface of a layer are uniformly smaller than the corresponding covered areas of the other layer.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-03-22 1996-09-21 1997-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-03-22 2000-09-21 2001-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-03-22 2004-09-21 2005-03-23 $7700.00 Window Closed / Lapsed

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