US20020164912A1 - Ballistic resistant fabric - Google Patents
Ballistic resistant fabric Download PDFInfo
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- US20020164912A1 US20020164912A1 US10/115,791 US11579102A US2002164912A1 US 20020164912 A1 US20020164912 A1 US 20020164912A1 US 11579102 A US11579102 A US 11579102A US 2002164912 A1 US2002164912 A1 US 2002164912A1
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- fibers
- weft
- fiber
- woven fabric
- ballistic resistant
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- Abandoned
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
- D03D1/0052—Antiballistic fabrics
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/004—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/573—Tensile strength
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/3195—Three-dimensional weave [e.g., x-y-z planes, multi-planar warps and/or wefts, etc.]
- Y10T442/3203—Multi-planar warp layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/3195—Three-dimensional weave [e.g., x-y-z planes, multi-planar warps and/or wefts, etc.]
- Y10T442/3211—Multi-planar weft layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/322—Warp differs from weft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/322—Warp differs from weft
- Y10T442/3228—Materials differ
Definitions
- This invention relates to a ballistic resistant fabric, and more particularly a ballistic resistant fabric that utilizes poly(p-phenylene-2,6-benzobisoxazole).
- PBO fibers have been used in the construction of ballistic resistant fabric and such fabric has been used in the manufacture of ballistic resistant vests.
- the ballistic resistant vests employ PBO fibers in a thirty by thirty, warp and weft ends per inch in a plain weave. Emphasis has also been placed on increasing the number of weft and warp PBO fibers beyond thirty per inch, disadvantageously requiring increased amounts of the ballistic resistant material to be used in producing the costly fabric.
- PBO fibers have been used in all of the fibers in either the warp or the weft of a woven fabric and a different type of fiber material for all of the fibers in either the crossing weft or warp is used where the PBO fiber is not located. Disadvantageously, however, this does not provide for a homogeneous mix of the fibers and ballistic stopping capabilities, at times, are not readily improved.
- a ballistic resistant woven fabric is provided for use in ballistic resistant protective products which is cost efficient and economically advantageous.
- a ballistic resistant woven fabric for use in the construction of ballistic resistant protective items has a warp with at least three adjacent fibers in which one fiber in the warp is constructed of a first material and two other adjacent fibers are constructed of a second material.
- the ballistic resistant woven fabric has a weft which has at least three other adjacent fibers in which one of the adjacent fibers in the weft is constructed of the first material and the two other fibers adjacent to the one fiber in the weft are constructed of the second material.
- a sheet of ballistic resistant fabric 110 which may be utilized in the construction of ballistic resistant protective items such as ballistic resistant garments, helmets, vehicles and the like is shown having a plain weave 112 .
- Warp 114 in the plain weave 112 of the sheet of ballistic resistant fabric 110 has consecutively positioned patterns of three adjacent fibers 120 , 122 A, 122 B.
- one fiber 120 is constructed of a first material and the other two adjacent fibers 122 A, 122 B are constructed of a second material.
- Weft 116 in the plain weave 112 of the sheet of ballistic resistant fabric 110 also has consecutively positioned patterns of three other adjacent fibers 124 , 126 A, 126 B.
- one fiber 124 in the weft 116 is constructed of the first material and the two other fibers 126 A, 126 B adjacent to the one fiber 124 in the weft 116 are constructed of the second material.
- the two different types of fiber materials employed, in some examples, may selectively have different deniers.
- the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved.
- the first material that certain of the warp fibers 120 and the weft fibers 124 are constructed of, may selectively be poly(p-phenylene-2,6-benzobisoxazole)(PBO) material.
- PBO is a rigid-rod isotropic liquid crystal polymer high performance fiber made by Toyobo Co., Ltd. of Osaka, Japan and is commonly sold under the trademark name Zylon®.
- the PBO employed for fibers 120 , 124 may selectively have a denier within the range of 200 to 830 denier. Additionally, in the example in FIG.
- the second material that certain of the adjacent fibers 122 A, 122 B in the warp 112 and certain of the adjacent fibers 126 A, 126 B in the weft 114 are constructed of, may selectively be an aramid material.
- aramid material for instance, microfilament poly(paraphenylene-terephthalamide)(microfilament PPP-T) which is commonly known under the trademark name Twaron® sold by Teijin Twaron BV or poly(paraphenylene-terephthalamide)(PPP-T) which is commonly known under the trademark names Kevlar® or ProteraTM which are sold by E. I. duPont de Nemours and Company of Wilmington, Del. may be aramids selectively employed.
- Microfilament PPP-T (or Twaron®) is a high tensile strength aramid microfilament fiber.
- the microfilament PPP-T material used in fibers 122 A, 122 B, 126 A, 126 B may selectively have a denier in the range of 200 to 830 denier.
- the PPP-T (Kevlar® or Protera®) which may be suitably employed as the material in fibers 122 A, 122 B, 126 A, 126 B also may selectively range in denier from 200 to 830 denier.
- Other aramid materials may selectively be utilized.
- the ballistic resistant woven fabric 110 has a plain weave 112 which is also a balanced weave.
- a plain weave 112 which is also a balanced weave.
- an imbalanced plain weave may selectively be employed.
- the number of fibers 120 , 122 A, 122 B of the warp 114 ranges from 20 to 30 fibers per inch and the number of fibers 124 , 126 A, 126 B of the weft 116 also ranges from 20 to 30 fibers per inch.
- One or more of any of the warp fibers 120 , 122 A, 122 B may selectively be twisted in which the number of twists in the warp fiber 120 , 122 A, 122 B range from one-half of a revolution per linear inch to six revolutions per linear inch in the fiber.
- One or more of any of the adjacent weft fibers 124 , 126 A, 126 B may also selectively be twisted with the number of twists in the weft fiber(s) 124 , 126 A, 126 B ranging from one-half of a revolution per linear inch to six revolutions per linear inch of the fiber.
- the three adjacent fibers 120 , 122 A, 122 B in the warp 114 form a pattern of fibers in which the one fiber 120 is formed of a different material than the material for fibers 122 A, 122 B and the pattern of the three adjacent fibers continues consecutively.
- the ballistic resistant woven fabric 110 has a plurality of patterns of adjacent groups of fibers 120 , 122 A, 122 B positioned consecutively in the warp 114 in which one of the warp fibers 120 is formed of one material and the two other warp fibers 122 A, 122 B are formed of another material.
- the groups of three adjacent fibers 124 , 126 A, 126 B in the weft 116 form another pattern comprised of a group of three adjacent fibers with one weft fiber 124 formed of one material and the other two weft fibers 126 A, 126 B formed of another material.
- the plain weave 112 of the ballistic resistant woven fabric 110 has a plurality of other patterns of adjacent weft fibers 124 , 126 A, 126 B positioned consecutively in the weft 116 in which one of the weft fibers 124 is formed of one material and the other two adjacent weft fibers 126 A, 126 B are formed of another material.
- one of the warp fibers 120 in each group is constructed of PBO and the other two warp fibers 122 A, 122 B in the consecutively repeating groups of three fibers in the warp 114 are constructed of microfilament PPP-T; the one weft fiber 124 is also constructed of PBO and the two other adjacent weft fibers 126 A, 126 B for each group are also constructed of microfilament PPP-T.
- the one material used for the one type of warp fibers 120 and the one type of weft fibers 124 is PBO and the other or second material which is used to construct the other type of warp fibers 122 A, 122 B and the other type of weft fibers 126 A, 126 B is PPP-T (Kevlar®/Protera® material).
- the warp 114 of the plain weave has a pattern with a PBO fiber 120 followed by two fibers 122 A, 122 B (formed of either PPP-T or microfilament PPP-T); a next pattern of a PBO fiber 120 next to two PPP-T or microfilament PPP-T fibers 122 A, 122 B, then follows with these patterns continuing in the warp.
- the weft 116 of the plain weave also has a pattern of a PBO fiber 124 followed by two PPP-T or microfilament PPP-T fibers 126 A, 126 B, with a next pattern of a PBO fiber 124 next to two (PPP-T or microfilament PPP-T) fibers 126 A, 126 B following thereafter with the patterns continuing in the weft.
- a sheet of ballistic resistant fabric 210 which may be utilized in the construction of ballistic resistant protective items is shown having a sateen weave 212 . Warp 214 in the sateen weave 212 of the sheet of ballistic resistant fabric 210 has consecutively positioned patterns of three adjacent fibers 220 , 222 A, 222 B.
- one fiber 220 is constructed of a first material (such as PBO) and the other two adjacent fibers 222 A, 222 B are constructed of a second material (such as either PPP-T or microfilament PPP-T).
- Weft 216 in the sateen weave 212 of the sheet of ballistic resistant fabric 210 also has consecutively positioned patterns of three other adjacent fibers 224 , 226 A, 226 B.
- one fiber 224 in the weft 216 is constructed of the first material (such as PBO) and the two other fibers 226 A, 226 B adjacent to the one fiber 224 in the weft 216 are constructed of the second material (such as either PPP-T or microfilament PPP-T).
- the two different types of fiber materials employed may selectively have different deniers.
- the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved.
- the first material that certain of the warp fibers 220 and the weft fibers 224 are constructed of, may selectively be poly(p-phenylene-2,6-benzobisoxazole)(PBO) material.
- the PBO employed for fibers 220 , 224 may selectively have a denier within the range of 200 to 830 denier.
- the second material that certain of the adjacent fibers 222 A, 222 B in the warp 212 and certain of the adjacent fibers 226 A, 226 B in the weft 214 are constructed of, may selectively be an aramid material.
- microfilament poly(paraphenylene-terephthalamide)(microfilament PPP-T) which is commonly known under the trademark name Twaron® or poly(paraphenylene-terephthalamide)(PPP-T) which is commonly known under the trademark names Kevlar® or Protera® may be aramids selectively employed.
- the microfilament PPP-T (Twaron®) material used in fibers 222 A, 222 B, 226 A, 226 B may selectively have a denier in the range of 200 to 830 denier.
- the PPP-T (Kevlar® or Protera®) which may be alternatively employed as the material in fibers 222 A, 222 B, 226 A, 226 B also may selectively range in denier from 200 to 830 denier. Other aramids may also selectively be employed.
- the ballistic resistant woven fabric 210 has a sateen weave 212 which is also a balanced weave. Alternatively, an imbalanced sateen weave may selectively be employed.
- the number of fibers 220 , 222 A, 222 B of the warp 214 ranges from 20 to 30 fibers per inch and the number of fibers 224 , 226 A, 226 B of the weft 216 also ranges from 20 to 30 fibers per inch.
- the total sum of fibers in an inch of the warp 214 plus an inch of the weft 216 is less than sixty.
- any of the warp fibers 220 , 222 A, 222 B in a group may selectively be twisted in which the number of twists in the warp fiber 220 , 222 A, 222 B range from one-half of a revolution per linear inch to six revolutions per linear inch in the fiber.
- One or more of any of the adjacent weft fibers 224 , 226 A, 226 B in a group may also selectively be twisted with the number of twists in the weft fiber(s) 224 , 226 A, 226 B ranging from one-half of a revolution per linear inch to six revolutions per linear inch of the fiber.
- the sateen weave 212 begins with a warp fiber passing over a first weft fiber and then passes under the next two adjacent weft fibers.
- the warp fiber continues to repeat thereafter passing over a weft fiber and passing under the next two weft fibers.
- the next adjacent warp fiber then is positioned under the first two weft fibers and then over the following weft fiber and continues to repeat this pattern.
- the third consecutive warp fiber passes under the first weft fiber, over the next weft fiber and under the next following weft fiber.
- the third consecutive warp fiber then repeats this pattern.
- the overall weaving pattern then repeats itself as seen in FIG. 2.
- the three adjacent fibers 220 , 222 A, 222 B in the warp 214 form a pattern of fibers in which the one fiber 220 is formed of a different material than the material for fibers 222 A, 222 B and the pattern of the three adjacent fibers continues consecutively.
- the ballistic resistant woven fabric 210 has a plurality of patterns of adjacent groups of fibers 220 , 222 A, 222 B positioned consecutively in the warp 214 in which one of the warp fibers 220 is formed of one material and the two other warp fibers 222 A, 222 B are formed of another material.
- the groups of three adjacent fibers 224 , 226 A, 226 B in the weft 216 form another pattern comprised of a group of three adjacent fibers with one weft fiber 224 formed of one material and the other two weft fibers 226 A, 226 B formed of another material.
- the sateen weave 212 of the ballistic resistant woven fabric 210 has a plurality of other patterns of adjacent weft fibers 224 , 226 A, 226 B positioned consecutively in the weft 216 in which one of the weft fibers 224 is formed of one material and the other two adjacent weft fibers 226 A, 226 B are formed of another material.
- one of the warp fibers 220 in each group is constructed of PBO and the other two warp fibers 222 A, 222 B in the consecutively repeating groups of three fibers in the warp 214 are constructed of microfilament PPP-T; the one weft fiber 224 is also constructed of PBO and the two other adjacent weft fibers 226 A, 226 B for each group are also constructed of microfilament PPP-T.
- the one material used for the one type of warp fibers 220 and the one type of weft fibers 224 is PBO and the other or second material which is used to construct the other type of warp fibers 222 A, 222 B and the other type of weft fibers 226 A, 226 B is PPP-T (Kevlar®/Protera® material).
- the warp 214 of the sateen weave has a pattern with a PBO fiber 220 followed by two fibers 222 A, 222 B (formed of either PPP-T or microfilament PPP-T); a next pattern of a PBO fiber 220 next to two PPP-T or microfilament PPP-T fibers 222 A, 222 B, then follows with these patterns continuing in the warp.
- the weft 216 of the sateen weave also has a pattern of a PBO fiber 224 followed by two PPP-T or microfilament PPP-T fibers, 226 A, 226 B, with a next pattern of a PBO fiber 224 next to two (PPP-T or microfilament PPP-T) fibers 226 A, 226 B following thereafter with the patterns continuing in the weft.
- a sheet of ballistic resistant fabric 310 which may be utilized in the construction of ballistic resistant protective items is shown having a venetian weave 312 .
- Warp 314 in the venetian weave 312 of the sheet of ballistic resistant fabric 310 has consecutively positioned patterns of three adjacent fibers 320 , 322 A, 322 B.
- one fiber 320 is constructed of a first material (such as PBO) and the other two adjacent fibers 322 A, 322 B are constructed of a second material (such as an aramid, for example PPP-T or microfilament PPP-T).
- Weft 316 in the venetian weave 312 of the sheet of ballistic resistant fabric 310 also has consecutively positioned patterns of three other adjacent fibers 324 , 326 A, 326 B.
- one fiber 324 in the weft 316 is constructed of the first material (such as PBO) and the two other fibers 326 A, 326 B adjacent to the one fiber 324 in the weft 316 are constructed of the second material (for instance aramid material such as PPP-T or microfilament PPP-T).
- the two different types of fiber materials employed, in some examples, may selectively have different deniers.
- the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved.
- the first material that certain of the warp fibers 320 and the weft fibers 324 are constructed of, may selectively be poly(p-phenylene-2,6-benzobisoxazole)(PBO) material.
- PBO poly(p-phenylene-2,6-benzobisoxazole)
- the PBO employed for fibers 320 , 324 may selectively have a denier within the range of 200 to 830 denier.
- the second material that certain of the adjacent fibers 322 A, 322 B in the warp 312 and certain of the adjacent fibers 326 A, 326 B in the weft 314 are constructed of, may selectively be an aramid material.
- microfilament poly(paraphenylene-terephthalamide)(microfilament PPP-T) which is commonly known under the trademark name Twaron® or poly(paraphenylene-terephthalamide)(PPP-T) which is commonly known under the trademark names Kevlar® or Protera® may selectively be employed.
- the microfilament PPP-T (Twaron®) material used in fibers 322 A, 322 B, 326 A, 326 B may selectively have a denier in the range of 200 to 830 denier.
- the PPP-T (Kevlar® or Protera®) which may be alternatively employed as the material in fibers 322 A, 322 B, 326 A, 326 B also may selectively range in denier from 200 to 830 denier.
- the ballistic resistant woven fabric 310 has a venetian weave 312 which is also a balanced weave.
- an imbalanced venetian weave may selectively be employed.
- the number of fibers 320 , 322 A, 322 B of the warp 314 ranges from 20 to 30 fibers per inch and the number of fibers 324 , 326 A, 326 B of the weft 316 also ranges from 20 to 30 fibers per inch.
- the total sum of fibers in an inch of the warp 314 plus an inch of the weft 316 is less than sixty.
- any of the warp fibers 320 , 322 A, 322 B in a group may selectively be twisted in which the number of twists in the warp fiber 320 , 322 A, 322 B range from one-half of a revolution per linear inch to six revolutions per linear inch in the fiber.
- One or more of any of the adjacent weft fibers 324 , 326 A, 326 B in a group may also selectively be twisted with the number of twists in the weft fiber(s) 324 , 326 A, 326 B ranging from one-half of a revolution per linear inch to six revolutions per linear inch of the fiber.
- the venetian weave has a first warp fiber passing over three weft fibers and under the next two weft fibers, with the first warp fiber repeating the over three/under two pattern thereafter.
- the next or second warp fiber for the venetian weave passes over the first weft fiber, then under the next two weft fibers and over the following two weft fibers and repeats this pattern thereafter.
- the third warp fiber begins under the first weft fiber and over the next three weft fibers and under the following weft fiber, repeating thereafter.
- the fourth warp fiber begins by passing over the first two weft fibers, under the next two weft fibers and over the following weft fiber and thereafter repeating the pattern. Finally, a fifth adjacent warp fiber passes under the first two weft fibers and then over the next three weft fibers, repeating the pattern thereafter.
- the overall venetian weaving pattern then repeats itself throughout the fabric.
- the three adjacent fibers 320 , 322 A, 322 B in the warp 314 form a pattern of fibers in which the one fiber 320 is formed of a different material than the material for fibers 322 A, 322 B and the pattern of the three adjacent fibers continues consecutively.
- the ballistic resistant woven fabric 310 has a plurality of patterns of adjacent groups of fibers 320 , 322 A, 322 B positioned consecutively in the warp 314 in which one of the warp fibers 320 is formed of one material and the two other warp fibers 322 A, 322 B are formed of another material.
- the groups of three adjacent fibers 324 , 326 A, 326 B in the weft 316 form another pattern comprised of a group of three adjacent fibers with one weft fiber 324 formed of one material and the other two weft fibers 326 A, 326 B formed of another material.
- the venetian weave 312 of the ballistic resistant woven fabric 310 has a plurality of other patterns of adjacent weft fibers 324 , 326 A, 326 B positioned consecutively in the weft 316 in which one of the weft fibers 324 is formed of one material and the other two adjacent weft fibers 326 A, 326 B are formed of another material.
- one of the warp fibers 320 in a group is constructed of PBO and the other two warp fibers 322 A, 322 B in the consecutively repeating groups of three fibers in the warp 314 are constructed of microfilament PPP-T; the one weft fiber 324 is also constructed of PBO and the two other adjacent weft fibers 326 A, 326 B for each group are also constructed of microfilament PPP-T.
- the one material used for the one type of warp fibers 320 and the one type of weft fibers 324 is PBO and the other or second material which is used to construct the other type of warp fibers 322 A, 322 B and the other type of weft fibers 326 A, 326 B is PPP-T (Kevlar®/Protera® material).
- the warp 314 of the venetian weave has a pattern with a PBO fiber 320 followed by two fibers 322 A, 322 B (formed of either PPP-T or microfilament PPP-T); a next pattern of a PBO fiber 320 next to two PPP-T or microfilament PPP-T fibers 322 A, 322 B, then follows with these patterns continuing in the warp.
- the weft 316 of the venetian weave also has a pattern of a PBO fiber 324 followed by two PPP-T or microfilament PPP-T fibers, 326 A, 326 B, with a next pattern of a PBO fiber 324 next to two (PPP-T or microfilament PPP-T) fibers 326 A, 326 B following thereafter with the patterns continuing in the weft.
- a sheet of ballistic resistant fabric 410 which may be utilized in the construction of ballistic resistant protective items is shown having a corkscrew weave 412 .
- Warp 414 in the corkscrew weave 412 of the sheet of ballistic resistant fabric 410 has consecutively positioned patterns of three adjacent fibers 420 , 422 A, 422 B.
- one fiber 420 is constructed of a first material (such as PBO) and the other two adjacent fibers 422 A, 422 B are constructed of a second material (such as an aramid, for example PPP-T or microfilament PPP-T).
- Weft 416 in the corkscrew weave 412 of the sheet of ballistic resistant fabric 410 also has consecutively positioned patterns of three other adjacent fibers 424 , 426 A, 426 B.
- one fiber 424 in the weft 416 is constructed of the first material (such as PBO) and the two other fibers 426 A, 426 B adjacent to the one fiber 424 in the weft 416 are constructed of the second material (such as an aramid).
- the two different types of fiber materials employed, in some examples, may selectively have different deniers.
- the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved.
- the first material that certain of the warp fibers 420 and the weft fibers 424 are constructed of, may selectively be polyp-phenylene-2,6-benzobisoxazole)(PBO) material.
- PBO polyp-phenylene-2,6-benzobisoxazole
- the PBO employed for fibers 420 , 424 may selectively have a denier within the range of 200 to 830 denier.
- the second material, that certain of the adjacent fibers 422 A, 422 B in the warp 412 and certain of the adjacent fibers 426 A, 426 B in the weft 414 are constructed of, may selectively be aramid material.
- microfilament poly(paraphenylene-terephthalamide)(microfilament PPP-T) which is commonly known under the trademark name Twaron® or poly(paraphenylene-terephthalamide)(PPP-T) which is commonly known under the trademark names Kevlar® or Protera® may selectively be employed.
- the microfilament PPP-T (Twaron® ) material used in fibers 422 A, 422 B, 426 A, 426 B may selectively have a denier in the range of 200 to 830 denier.
- the PPP-T (Kevlar® or Protera®) which may be alternatively employed as the material in fibers 422 A, 422 B, 426 A, 426 B also may selectively range in denier from 200 to 830 denier. Other aramids may also selectively be employed.
- the ballistic resistant woven fabric 410 has a corkscrew weave 412 which is also a balanced weave.
- a corkscrew weave 412 which is also a balanced weave.
- an imbalanced venetian weave may selectively be employed.
- the number of fibers 420 , 422 A, 422 B of the warp 414 ranges from 23 to 29 fibers per inch and the number of fibers 424 , 426 A, 426 B of the weft 416 also ranges from 23 to 29 fibers per inch.
- any of the warp fibers 420 , 422 A, 422 B in a group may selectively be twisted in which the number of twists in the warp fiber 420 , 422 A, 422 B range from one-half of a revolution per linear inch to six revolutions per linear inch in the fiber.
- One or more of any of the adjacent weft fibers 424 , 426 A, 426 B in a group may also selectively be twisted with the number of twists in the weft fiber(s) 424 , 426 A, 426 B ranging from one-half of a revolution per linear inch to six revolutions per linear inch of the fiber.
- the five end weft corkscrew weave of FIG. 4 begins with a first warp fiber passing over two first weft fibers, under the next weft fiber, over the following weft fiber and then under the fifth weft fiber, thereafter repeating.
- the second warp fiber passes under the first weft fiber, over the second, under the third and over the fourth and fifth weft fibers, thereafter repeating.
- the third warp fiber passes under the first weft fiber, over the second and third, under the fourth and over the fifth weft fiber, thereafter repeating.
- the fourth warp fiber passes over the first weft fiber, under the second, over the third under the fourth and over the fifth weft fiber, thereafter repeating.
- the fifth warp fiber passes over the first weft fiber, under the second, over the third and fourth weft fibers and under the fifth weft fiber, thereafter repeating.
- this overall weaving pattern then repeats itself for the five end weft corkscrew weave.
- the fibers are arranged in a five end weft corkscrew weave 412 .
- Other corkscrew weaves which may selectively be employed for the woven ballistic resistant fabric 410 material include: seven end weft corkscrew weave; seven end warp corkscrew weave; nine end weft corkscrew weave; nine end warp corkscrew weave; and thirteen shaft corkscrew weave.
- the three adjacent fibers 420 , 422 A, 422 B in the warp 414 form a pattern of fibers in which the one fiber 420 is formed of a different material than the material for fibers 422 A, 422 B and the pattern of the three adjacent fibers continues consecutively.
- the ballistic resistant woven fabric 410 has a plurality of patterns of adjacent groups of fibers 420 , 422 A, 422 B positioned consecutively in the warp 414 in which one of the warp fibers 420 is formed of one material and the two other warp fibers 422 A, 422 B are formed of another material.
- the groups of three adjacent fibers 424 , 426 A, 426 B in the weft 416 form another pattern comprised of a group of three adjacent fibers with one weft fiber 424 formed of one material and the other two weft fibers 426 A, 426 B formed of another material.
- the corkscrew weave 412 of the ballistic resistant woven fabric 410 has a plurality of other patterns of adjacent weft fibers 424 , 426 A, 426 B positioned consecutively in the weft 416 in which one of the weft fibers 424 is formed of one material and the other two adjacent weft fibers 426 A, 426 B are formed of another material.
- one of the warp fibers 420 in a group is constructed of PBO and the other two warp fibers 422 A, 422 B in the consecutively repeating groups of three fibers in the warp 414 are constructed of microfilament PPP-T; the one weft fiber 424 is also constructed of PBO and the two other adjacent weft fibers 426 A, 426 B for each group are also constructed of microfilament PPP-T.
- the one material used for the one type of warp fibers 420 and the one type of weft fibers 424 is PBO and the other or second material which is used to construct the other type of warp fibers 422 A, 422 B and the other type of weft fibers 426 A, 426 B is PPP-T (Kevlar®/Protera® material).
- the warp 414 of the corkscrew weave has a pattern with a PBO fiber 420 followed by two fibers 422 A, 422 B (formed of either PPP-T or microfilament PPP-T); a next pattern of a PBO fiber 420 next to two PPP-T or microfilament PPP-T fibers 422 A, 422 B, then follows with these patterns continuing in the warp.
Abstract
A ballistic resistant woven fabric utilized in the construction of ballistic resistant protective items is provided. The ballistic resistant woven fabric has a warp which has at least three adjacent fibers in which one fiber in the warp is constructed of a first material and two other adjacent fibers are constructed of a second material. The ballistic resistant woven fabric has a weft which has at least three other adjacent fibers in which one fiber in the weft is constructed of the first material and the two other fibers adjacent to the one fiber in the weft are constructed of the second material.
Description
- This is a continuation-in-part of application Ser. No. 09/510,730, filed Feb. 22, 2000.
- This invention relates to a ballistic resistant fabric, and more particularly a ballistic resistant fabric that utilizes poly(p-phenylene-2,6-benzobisoxazole).
- Numerous ballistic resistant fibers and woven fabrics have been utilized for the construction of ballistic resistant garments. It has been a desire over the years in the ballistic garment industry to strive to improve the reliability and stopping capability of a garment and yet, not compromise wearability. Undesirable wearability may too often lead to early removal of the protective garment or not wearing it at all.
- As improved stronger ballistic resistant fibers are developed, less total weight of the fiber is needed in producing the ballistic resistant fabric that will maintain the needed reliability and stopping capability of a garment. Utilization of these improved fibers result in less weight and bulk to the ballistic resistant fabric.
- One of these fibers that has been developed in recent years is poly(p-phenylene-2,6benzobisoxazole) (PBO) or commercially known as Zylon®, a trademark of the Toyobo Co., Ltd., of Osaka, Japan. This fiber is known for its high strength characteristics however, by the nature and cost of production of this fiber, the fiber is generally significantly more costly than other ballistic resistant fibers. As a result, the fabrics manufactured with this fiber are traditionally more expensive. Thus, in an era of improving ballistic resistant fibers that result in enhancing wearability, increased cost to the user becomes a factor to the wearability of the fabric. Accordingly, a reduction in the cost of producing such desirable fabrics is needed.
- The utilization of PBO fiber in the construction of ballistic resistant fabric has been performed and such fabric has been used in the manufacture of ballistic resistant vests. The ballistic resistant vests employ PBO fibers in a thirty by thirty, warp and weft ends per inch in a plain weave. Emphasis has also been placed on increasing the number of weft and warp PBO fibers beyond thirty per inch, disadvantageously requiring increased amounts of the ballistic resistant material to be used in producing the costly fabric. In addition, PBO fibers have been used in all of the fibers in either the warp or the weft of a woven fabric and a different type of fiber material for all of the fibers in either the crossing weft or warp is used where the PBO fiber is not located. Disadvantageously, however, this does not provide for a homogeneous mix of the fibers and ballistic stopping capabilities, at times, are not readily improved.
- A ballistic resistant woven fabric is provided for use in ballistic resistant protective products which is cost efficient and economically advantageous. A ballistic resistant woven fabric for use in the construction of ballistic resistant protective items has a warp with at least three adjacent fibers in which one fiber in the warp is constructed of a first material and two other adjacent fibers are constructed of a second material. The ballistic resistant woven fabric has a weft which has at least three other adjacent fibers in which one of the adjacent fibers in the weft is constructed of the first material and the two other fibers adjacent to the one fiber in the weft are constructed of the second material.
- Referring to FIG. 1, a sheet of ballistic
resistant fabric 110 which may be utilized in the construction of ballistic resistant protective items such as ballistic resistant garments, helmets, vehicles and the like is shown having aplain weave 112. Warp 114 in theplain weave 112 of the sheet of ballisticresistant fabric 110 has consecutively positioned patterns of threeadjacent fibers adjacent fibers fiber 120 is constructed of a first material and the other twoadjacent fibers plain weave 112 of the sheet of ballisticresistant fabric 110 also has consecutively positioned patterns of three otheradjacent fibers adjacent fibers fiber 124 in the weft 116 is constructed of the first material and the twoother fibers fiber 124 in the weft 116 are constructed of the second material. The two different types of fiber materials employed, in some examples, may selectively have different deniers. In one example, the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved. - In the example in FIG. 1, the first material, that certain of the
warp fibers 120 and theweft fibers 124 are constructed of, may selectively be poly(p-phenylene-2,6-benzobisoxazole)(PBO) material. PBO is a rigid-rod isotropic liquid crystal polymer high performance fiber made by Toyobo Co., Ltd. of Osaka, Japan and is commonly sold under the trademark name Zylon®. The PBO employed forfibers adjacent fibers warp 112 and certain of theadjacent fibers fibers fibers - As seen in FIG. 1, the ballistic
resistant woven fabric 110 has aplain weave 112 which is also a balanced weave. Alternatively, an imbalanced plain weave may selectively be employed. The number offibers fibers warp fibers warp fiber adjacent weft fibers - Still referring to FIG. 1, the three
adjacent fibers fiber 120 is formed of a different material than the material forfibers resistant woven fabric 110 has a plurality of patterns of adjacent groups offibers warp fibers 120 is formed of one material and the twoother warp fibers adjacent fibers weft fiber 124 formed of one material and the other twoweft fibers plain weave 112 of the ballisticresistant woven fabric 110 has a plurality of other patterns ofadjacent weft fibers weft fibers 124 is formed of one material and the other twoadjacent weft fibers - In one approach, one of the
warp fibers 120 in each group is constructed of PBO and the other twowarp fibers weft fiber 124 is also constructed of PBO and the two otheradjacent weft fibers warp fibers 120 and the one type ofweft fibers 124 is PBO and the other or second material which is used to construct the other type ofwarp fibers weft fibers PBO fiber 120 followed by twofibers PBO fiber 120 next to two PPP-T or microfilament PPP-T fibers PBO fiber 124 followed by two PPP-T or microfilament PPP-T fibers PBO fiber 124 next to two (PPP-T or microfilament PPP-T)fibers resistant fabric 210 which may be utilized in the construction of ballistic resistant protective items is shown having asateen weave 212. Warp 214 in thesateen weave 212 of the sheet of ballisticresistant fabric 210 has consecutively positioned patterns of threeadjacent fibers adjacent fibers fiber 220 is constructed of a first material (such as PBO) and the other twoadjacent fibers sateen weave 212 of the sheet of ballisticresistant fabric 210 also has consecutively positioned patterns of three otheradjacent fibers adjacent fibers fiber 224 in the weft 216 is constructed of the first material (such as PBO) and the twoother fibers fiber 224 in the weft 216 are constructed of the second material (such as either PPP-T or microfilament PPP-T). The two different types of fiber materials employed, in some examples, may selectively have different deniers. In one example, the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved. - In the example in FIG. 2, the first material, that certain of the
warp fibers 220 and theweft fibers 224 are constructed of, may selectively be poly(p-phenylene-2,6-benzobisoxazole)(PBO) material. The PBO employed forfibers adjacent fibers warp 212 and certain of theadjacent fibers fibers fibers - As seen in FIG. 2, the ballistic resistant woven
fabric 210 has asateen weave 212 which is also a balanced weave. Alternatively, an imbalanced sateen weave may selectively be employed. The number offibers fibers warp fibers warp fiber adjacent weft fibers - As further seen in FIG. 2, the
sateen weave 212 begins with a warp fiber passing over a first weft fiber and then passes under the next two adjacent weft fibers. The warp fiber continues to repeat thereafter passing over a weft fiber and passing under the next two weft fibers. As will be appreciated by those skilled in the art, the next adjacent warp fiber then is positioned under the first two weft fibers and then over the following weft fiber and continues to repeat this pattern. The third consecutive warp fiber passes under the first weft fiber, over the next weft fiber and under the next following weft fiber. The third consecutive warp fiber then repeats this pattern. The overall weaving pattern then repeats itself as seen in FIG. 2. - Still referring to FIG. 2, the three
adjacent fibers fiber 220 is formed of a different material than the material forfibers fabric 210 has a plurality of patterns of adjacent groups offibers warp fibers 220 is formed of one material and the twoother warp fibers adjacent fibers weft fiber 224 formed of one material and the other twoweft fibers sateen weave 212 of the ballistic resistant wovenfabric 210 has a plurality of other patterns ofadjacent weft fibers weft fibers 224 is formed of one material and the other twoadjacent weft fibers - In one approach, one of the
warp fibers 220 in each group is constructed of PBO and the other twowarp fibers weft fiber 224 is also constructed of PBO and the two otheradjacent weft fibers warp fibers 220 and the one type ofweft fibers 224 is PBO and the other or second material which is used to construct the other type ofwarp fibers weft fibers PBO fiber 220 followed by twofibers PBO fiber 220 next to two PPP-T or microfilament PPP-T fibers PBO fiber 224 followed by two PPP-T or microfilament PPP-T fibers, 226A, 226B, with a next pattern of aPBO fiber 224 next to two (PPP-T or microfilament PPP-T)fibers - Referring now to FIG. 3, a sheet of ballistic
resistant fabric 310 which may be utilized in the construction of ballistic resistant protective items is shown having avenetian weave 312. Warp 314 in thevenetian weave 312 of the sheet of ballisticresistant fabric 310 has consecutively positioned patterns of threeadjacent fibers adjacent fibers fiber 320 is constructed of a first material (such as PBO) and the other twoadjacent fibers venetian weave 312 of the sheet of ballisticresistant fabric 310 also has consecutively positioned patterns of three otheradjacent fibers adjacent fibers fiber 324 in the weft 316 is constructed of the first material (such as PBO) and the twoother fibers fiber 324 in the weft 316 are constructed of the second material (for instance aramid material such as PPP-T or microfilament PPP-T). The two different types of fiber materials employed, in some examples, may selectively have different deniers. In one example, the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved. - In the example in FIG. 3, the first material, that certain of the
warp fibers 320 and theweft fibers 324 are constructed of, may selectively be poly(p-phenylene-2,6-benzobisoxazole)(PBO) material. The PBO employed forfibers adjacent fibers warp 312 and certain of theadjacent fibers fibers fibers - As seen in FIG. 3, the ballistic resistant woven
fabric 310 has avenetian weave 312 which is also a balanced weave. Alternatively, an imbalanced venetian weave may selectively be employed. The number offibers fibers warp fibers warp fiber adjacent weft fibers - As further seen in FIG. 3, the venetian weave has a first warp fiber passing over three weft fibers and under the next two weft fibers, with the first warp fiber repeating the over three/under two pattern thereafter. As will be appreciated by those skilled in the art, the next or second warp fiber for the venetian weave passes over the first weft fiber, then under the next two weft fibers and over the following two weft fibers and repeats this pattern thereafter. The third warp fiber begins under the first weft fiber and over the next three weft fibers and under the following weft fiber, repeating thereafter. The fourth warp fiber begins by passing over the first two weft fibers, under the next two weft fibers and over the following weft fiber and thereafter repeating the pattern. Finally, a fifth adjacent warp fiber passes under the first two weft fibers and then over the next three weft fibers, repeating the pattern thereafter. The overall venetian weaving pattern then repeats itself throughout the fabric.
- Still referring to FIG. 3, the three
adjacent fibers fiber 320 is formed of a different material than the material forfibers fabric 310 has a plurality of patterns of adjacent groups offibers warp fibers 320 is formed of one material and the twoother warp fibers adjacent fibers weft fiber 324 formed of one material and the other twoweft fibers venetian weave 312 of the ballistic resistant wovenfabric 310 has a plurality of other patterns ofadjacent weft fibers weft fibers 324 is formed of one material and the other twoadjacent weft fibers - In one approach, one of the
warp fibers 320 in a group is constructed of PBO and the other twowarp fibers weft fiber 324 is also constructed of PBO and the two otheradjacent weft fibers warp fibers 320 and the one type ofweft fibers 324 is PBO and the other or second material which is used to construct the other type ofwarp fibers weft fibers PBO fiber 320 followed by twofibers PBO fiber 320 next to two PPP-T or microfilament PPP-T fibers PBO fiber 324 followed by two PPP-T or microfilament PPP-T fibers, 326A, 326B, with a next pattern of aPBO fiber 324 next to two (PPP-T or microfilament PPP-T)fibers - Referring now to FIG. 4, a sheet of ballistic
resistant fabric 410 which may be utilized in the construction of ballistic resistant protective items is shown having acorkscrew weave 412. Warp 414 in thecorkscrew weave 412 of the sheet of ballisticresistant fabric 410 has consecutively positioned patterns of threeadjacent fibers adjacent fibers fiber 420 is constructed of a first material (such as PBO) and the other twoadjacent fibers corkscrew weave 412 of the sheet of ballisticresistant fabric 410 also has consecutively positioned patterns of three otheradjacent fibers adjacent fibers fiber 424 in the weft 416 is constructed of the first material (such as PBO) and the twoother fibers fiber 424 in the weft 416 are constructed of the second material (such as an aramid). The two different types of fiber materials employed, in some examples, may selectively have different deniers. In one example, the deniers of one of the types of fiber of one material and the denier of the other type for the other material may selectively have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator. In some examples, a ratio of 1.25 or less achieved. - In the example in FIG. 4, the first material, that certain of the
warp fibers 420 and theweft fibers 424 are constructed of, may selectively be polyp-phenylene-2,6-benzobisoxazole)(PBO) material. The PBO employed forfibers adjacent fibers warp 412 and certain of theadjacent fibers fibers fibers - As seen in FIG. 4, the ballistic resistant woven
fabric 410 has acorkscrew weave 412 which is also a balanced weave. Alternatively, an imbalanced venetian weave may selectively be employed. The number offibers fibers warp fibers warp fiber adjacent weft fibers - The five end weft corkscrew weave of FIG. 4 begins with a first warp fiber passing over two first weft fibers, under the next weft fiber, over the following weft fiber and then under the fifth weft fiber, thereafter repeating. The second warp fiber passes under the first weft fiber, over the second, under the third and over the fourth and fifth weft fibers, thereafter repeating. The third warp fiber passes under the first weft fiber, over the second and third, under the fourth and over the fifth weft fiber, thereafter repeating. The fourth warp fiber passes over the first weft fiber, under the second, over the third under the fourth and over the fifth weft fiber, thereafter repeating. Finally, the fifth warp fiber passes over the first weft fiber, under the second, over the third and fourth weft fibers and under the fifth weft fiber, thereafter repeating. As will be appreciated by those in the art, this overall weaving pattern then repeats itself for the five end weft corkscrew weave. As seen in FIG. 4, the fibers are arranged in a five end
weft corkscrew weave 412. Other corkscrew weaves which may selectively be employed for the woven ballisticresistant fabric 410 material include: seven end weft corkscrew weave; seven end warp corkscrew weave; nine end weft corkscrew weave; nine end warp corkscrew weave; and thirteen shaft corkscrew weave. - Still referring to FIG. 4, the three
adjacent fibers fiber 420 is formed of a different material than the material forfibers fabric 410 has a plurality of patterns of adjacent groups offibers warp fibers 420 is formed of one material and the twoother warp fibers adjacent fibers weft fiber 424 formed of one material and the other twoweft fibers corkscrew weave 412 of the ballistic resistant wovenfabric 410 has a plurality of other patterns ofadjacent weft fibers weft fibers 424 is formed of one material and the other twoadjacent weft fibers - In one approach, one of the
warp fibers 420 in a group is constructed of PBO and the other twowarp fibers weft fiber 424 is also constructed of PBO and the two otheradjacent weft fibers warp fibers 420 and the one type ofweft fibers 424 is PBO and the other or second material which is used to construct the other type ofwarp fibers weft fibers PBO fiber 420 followed by twofibers PBO fiber 420 next to two PPP-T or microfilament PPP-T fibers PBO fiber 424 followed by two PPP-T or microfilament PPP-T fibers, 426A, 426B, with a next pattern of aPBO fiber 424 next to two (PPP-T or microfilament PPP-T)fibers - While a detailed description of the present invention has been given, it should be appreciated that many variations can be made thereto without departing from the scope of the invention as set forth in the appended claims.
Claims (53)
1. A ballistic resistant woven fabric utilized in the construction of ballistic resistant protective items comprising:
a warp of the ballistic resistant woven fabric which has at least three adjacent fibers in which one fiber is constructed of a first material and two other adjacent fibers are constructed of a second material; and
a weft of the ballistic resistant woven fabric which has at least three other adjacent fibers in which one fiber in the weft is constructed of the first material and two other fibers adjacent to the one fiber in the weft are constructed of the second material.
2. The ballistic resistant woven fabric of claim 1 in which the first material is PBO having a denier within the range of 200 to 830.
3. The ballistic resistant woven fabric of claim 2 in which the second material is an aramid.
4. The ballistic resistant woven fabric of claim 3 in which the second material is microfilament poly(paraphenylene-terephthalamide) having a denier within the range of 200 to 830.
5. The ballistic resistant woven fabric of claim 3 in which the second material is poly(paraphenylene-terephthalamide) having a denier within the range of 200 to 830.
6. The ballistic resistant woven fabric of claim 1 in which the woven fabric has a plain weave.
7. The ballistic resistant woven fabric of claim 6 in which the plain weave is a balanced weave.
8. The ballistic resistant woven fabric of claim 6 in which the plain weave is an imbalanced weave.
9. The ballistic resistant woven fabric of claim 6 in which the three adjacent fibers in the warp form a pattern of fibers, said warp includes a plurality of patterns of the three adjacent fibers positioned consecutively in the warp, and in which the three other adjacent fibers in the weft form another pattern of fibers, and said weft includes a plurality of other patterns of the three other adjacent fibers positioned consecutively in the weft.
10. The ballistic resistant woven fabric of claim 9 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of microfilament poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers of the weft constructed of microfilament poly(paraphenylene-terephthalamide).
11. The ballistic resistant woven fabric of claim 9 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers of the weft constructed of poly(paraphenylene-terephthalamide).
12. The ballistic resistant woven fabric of claim 6 in which the number of fibers of the warp ranges from 20 to 30 fibers per inch and in which the number of fibers of the weft ranges from 20 to 30 fibers per inch.
13. The ballistic resistant woven fabric of claim 6 in which at least one of the three adjacent fibers of the warp are twisted.
14. The ballistic resistant woven fabric of claim 13 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
15. The ballistic resistant woven fabric of claim 6 in which at least one of the three other adjacent fibers of the weft are twisted.
16. The ballistic resistant woven fabric of claim 15 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
17. The ballistic resistant woven fabric of claim 1 in which the woven fabric has a sateen weave.
18. The ballistic resistant woven fabric of claim 17 in which the sateen weave is a balanced weave.
19. The ballistic resistant woven fabric of claim 17 in which the sateen weave is an imbalanced weave.
20. The ballistic resistant woven fabric of claim 17 in which the three adjacent fibers in the warp form a pattern of fibers, said warp includes a plurality of patterns of the three adjacent fibers positioned consecutively in the warp, and in which the three other adjacent fibers in the weft form another pattern of fibers, and said weft includes a plurality of the other patterns of the three other adjacent fibers positioned consecutively in the weft.
21. The ballistic resistant woven fabric of claim 20 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of microfilament poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers of the weft constructed of microfilament poly(paraphenylene-terephthalamide).
22. The ballistic resistant woven fabric of claim 20 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers constructed of poly(paraphenylene-terephthalamide).
23. The ballistic resistant woven fabric of claim 17 in which the total sum of fibers in an inch of the warp plus an inch of the weft is less than sixty.
24. The ballistic resistant woven fabric of claim 23 in which the number of fibers of the warp ranges from 20 to 30 fibers per inch and in which the number of fibers of the weft ranges from 20 to 30 fibers per inch.
25. The ballistic resistant woven fabric of claim 17 in which at least one of the three adjacent fibers of the warp are twisted.
26. The ballistic resistant woven fabric of claim 25 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
27. The ballistic resistant woven fabric of claim 17 in which at least one of the three other adjacent fibers of the weft are twisted.
28. The ballistic resistant woven fabric of claim 17 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
29. The ballistic resistant woven fabric of claim 1 in which the woven fabric has a venetian weave.
30. The ballistic resistant woven fabric of claim 29 in which the venetian weave is a balanced weave.
31. The ballistic resistant woven fabric of claim 29 in which the venetian weave is an imbalanced weave.
32. The ballistic resistant woven fabric of claim 29 in which the three adjacent fibers in the warp form a pattern of fibers, said warp includes a plurality of patterns of the three adjacent fibers positioned consecutively in the warp and in which the three other adjacent fibers in the weft form another pattern of fibers, and the weft includes a plurality of the other patterns of the three other adjacent fibers positioned consecutively in the weft.
33. The ballistic resistant woven fabric of claim 32 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of microfilament poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers of the weft are constructed of microfilament poly(paraphenylene-terephthalamide).
34. The ballistic resistant woven fabric of claim 32 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers constructed of PBO and has the two other fibers of the three other adjacent fibers of the weft are constructed of poly(paraphenylene-terephthalamide).
35. The ballistic resistant woven fabric of claim 29 in which the total sum of fibers in an inch of the warp plus an inch of the weft is less than sixty.
36. The ballistic resistant woven fabric of claim 35 in which the number of fibers of the warp ranges from 20 to 30 fibers per inch and in which the number of fibers of the weft ranges from 20 to 30 fibers per inch.
37. The ballistic resistant woven fabric of claim 29 in which at least one of the three adjacent fibers of the warp are twisted.
38. The ballistic resistant woven fabric of claim 37 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
39. The ballistic resistant woven fabric of claim 29 in which at least one of the three other adjacent fibers of the weft are twisted.
40. The ballistic resistant woven fabric of claim 39 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
41. The ballistic resistant woven fabric of claim 1 in which the woven fabric has a corkscrew weave.
42. The ballistic resistant woven fabric of claim 41 in which the corkscrew weave is a balanced weave.
43. The ballistic resistant woven fabric of claim 41 in which the corkscrew weave is an imbalanced weave.
44. The ballistic resistant woven fabric of claim 41 in which the three adjacent fibers in the warp form a pattern of fibers, said warp includes a plurality of patterns of the three adjacent fibers positioned consecutively in the warp, and in which the three other adjacent fibers in the weft form another pattern of fibers, and the weft includes a plurality of the other patterns of the three other adjacent fibers positioned consecutively in the weft.
45. The ballistic resistant woven fabric of claim 44 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of microfilament poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers of the weft constructed of microfilament poly(paraphenylene-terephthalamide).
46. The ballistic resistant woven fabric of claim 44 in which the warp has the one fiber of the three adjacent fibers constructed of PBO and the two other fibers of the three adjacent fibers constructed of poly(paraphenylene-terephthalamide), and in which the weft has the one fiber of the three other adjacent fibers of the weft constructed of PBO and the two other fibers of the three other adjacent fibers of the weft constructed of poly(paraphenylene-terephthalamide).
47. The ballistic resistant woven fabric of claim 41 in which the number of fibers of the warp ranges from 23 to 29 fibers per inch and in which the number of fibers of the weft ranges from 23 to 29 fibers per inch.
48. The ballistic resistant woven fabric of claim 41 in which at least one of the three adjacent fibers of the warp are twisted.
49. The ballistic resistant woven fabric of claim 48 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
50. The ballistic resistant woven fabric of claim 41 in which at least one of the three other adjacent fibers of the weft are twisted.
51. The ballistic resistant woven fabric of claim 50 in which the number of twists in the fiber ranges from one-half of a revolution per linear inch of the fiber to six revolutions per linear inch of the fiber.
52. The ballistic resistant fabric of claim 1 in which the one fiber constructed of the first material and the other fiber constructed of the second material each have deniers in a range between 200 to 830.
53. The ballistic resistant fabric of claim 1 in which the denier of the one fiber and the denier of the other fiber have a ratio which does not exceed 2.0 with the larger denier positioned in the numerator and the smaller denier positioned in the denominator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/115,791 US20020164912A1 (en) | 2000-02-22 | 2002-04-02 | Ballistic resistant fabric |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51073000A | 2000-02-22 | 2000-02-22 | |
US10/115,791 US20020164912A1 (en) | 2000-02-22 | 2002-04-02 | Ballistic resistant fabric |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US51073000A Continuation-In-Part | 2000-02-22 | 2000-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20020164912A1 true US20020164912A1 (en) | 2002-11-07 |
Family
ID=24031943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/115,791 Abandoned US20020164912A1 (en) | 2000-02-22 | 2002-04-02 | Ballistic resistant fabric |
Country Status (2)
Country | Link |
---|---|
US (1) | US20020164912A1 (en) |
CA (1) | CA2313995A1 (en) |
Cited By (12)
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WO2008016363A2 (en) * | 2005-08-10 | 2008-02-07 | E.I. Du Pont De Nemours And Company | Fiber network layers and flexible penetration resistant articles comprising same |
US20090255022A1 (en) * | 2008-04-14 | 2009-10-15 | Smith Barry L | Molded Torso-conforming body armor including method of producing same |
US9243354B2 (en) | 2013-03-15 | 2016-01-26 | Honeywell International Inc. | Stab and ballistic resistant articles |
US9243355B2 (en) | 2013-03-15 | 2016-01-26 | Honeywell International Inc. | Ballistic resistant thermoplastic sheet, process of making and its applications |
USD812382S1 (en) * | 2015-07-23 | 2018-03-13 | Fujifilm Corporation | Lenticular lens sheet |
USD828044S1 (en) * | 2015-06-10 | 2018-09-11 | Fujifilm Corporation | Lenticular lens sheet |
USD832596S1 (en) * | 2015-06-10 | 2018-11-06 | Fujifilm Corporation | Lenticular lens sheet |
USD834334S1 (en) * | 2012-03-30 | 2018-11-27 | International Textile Group, Inc. | Flame resistant fabric |
USD841341S1 (en) * | 2015-07-23 | 2019-02-26 | Fujifilm Corporation | Lenticular lens sheet |
US10443160B2 (en) | 2013-03-15 | 2019-10-15 | Honeywell International Inc. | Breathable light weight unidirectional laminates |
GB2583568A (en) * | 2019-02-20 | 2020-11-04 | Indo Count Industries Ltd | High-density warp-fiber woven fabric and methods of manufacturing the same |
USD1011768S1 (en) | 2020-04-27 | 2024-01-23 | Southern Mills, Inc. | Fabric |
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US8071492B2 (en) | 2001-08-20 | 2011-12-06 | Pbi Performance Products, Inc. | Textile fabric for the outer shell of a firefighter's garment |
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US20100143683A1 (en) * | 2005-08-10 | 2010-06-10 | Chiou Minshon J | Fiber Network Layers and Flexible Penetration Resistant Articles Comprising Same |
KR101290449B1 (en) * | 2005-08-10 | 2013-07-26 | 이 아이 듀폰 디 네모아 앤드 캄파니 | Fiber network layers and flexible penetration resistant articles comprising same |
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US20090255022A1 (en) * | 2008-04-14 | 2009-10-15 | Smith Barry L | Molded Torso-conforming body armor including method of producing same |
USD834334S1 (en) * | 2012-03-30 | 2018-11-27 | International Textile Group, Inc. | Flame resistant fabric |
US10494746B2 (en) | 2013-03-15 | 2019-12-03 | Honeywell International Inc. | Ballistic resistant thermoplastic sheet, process of making and its applications |
US10703069B2 (en) | 2013-03-15 | 2020-07-07 | Honeywell International Inc. | Stab and ballistic resistant articles and the process of making |
US9994977B2 (en) | 2013-03-15 | 2018-06-12 | Honeywell International Inc. | Ballistic resistant thermoplastic sheet, process of making and its applications |
US11053617B2 (en) | 2013-03-15 | 2021-07-06 | Honeywell International Inc. | Ballistic resistant thermoplastic sheet, process of making and its applications |
US9243354B2 (en) | 2013-03-15 | 2016-01-26 | Honeywell International Inc. | Stab and ballistic resistant articles |
US9243355B2 (en) | 2013-03-15 | 2016-01-26 | Honeywell International Inc. | Ballistic resistant thermoplastic sheet, process of making and its applications |
US10443160B2 (en) | 2013-03-15 | 2019-10-15 | Honeywell International Inc. | Breathable light weight unidirectional laminates |
US10252488B2 (en) | 2013-03-15 | 2019-04-09 | Honeywell International Inc. | Stab and ballistic resistant articles and the process of making |
USD832596S1 (en) * | 2015-06-10 | 2018-11-06 | Fujifilm Corporation | Lenticular lens sheet |
USD828044S1 (en) * | 2015-06-10 | 2018-09-11 | Fujifilm Corporation | Lenticular lens sheet |
USD841341S1 (en) * | 2015-07-23 | 2019-02-26 | Fujifilm Corporation | Lenticular lens sheet |
USD812382S1 (en) * | 2015-07-23 | 2018-03-13 | Fujifilm Corporation | Lenticular lens sheet |
GB2583568A (en) * | 2019-02-20 | 2020-11-04 | Indo Count Industries Ltd | High-density warp-fiber woven fabric and methods of manufacturing the same |
GB2583568B (en) * | 2019-02-20 | 2023-07-12 | Indo Count Industries Ltd | High-density warp-fiber woven fabric and methods of manufacturing the same |
USD1011768S1 (en) | 2020-04-27 | 2024-01-23 | Southern Mills, Inc. | Fabric |
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Owner name: LINCOLN FABRICS, LTD., CANADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FAWCETT, GEOFF H.;TING, CHUNG-LIE;HOWES, DAVID S.;REEL/FRAME:012774/0193;SIGNING DATES FROM 20020329 TO 20020402 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |