US2002164912A1PendingUtilityA1

Ballistic resistant fabric

32
Priority: Feb 22, 2000Filed: Apr 2, 2002Published: Nov 7, 2002
Est. expiryFeb 22, 2020(expired)· nominal 20-yr term from priority
Inventors:Geoff FawcettChung-Lie TingDavid Howes
D03D 13/008D10B 2331/021D03D 15/573D03D 1/0052D10B 2401/063D03D 15/283D03D 13/004D10B 2501/04Y10T442/322Y10T442/3179Y10T442/3228Y10T442/3211Y10T442/3203
32
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Claims

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.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         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.

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