Ballistic resistant armor articles

B - Operations – Transporting – 32 – B

Patent

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B32B 5/26 (2006.01) F41H 5/04 (2006.01)

Patent

CA 2752546

A subassembly useful in a ballistic armor article comprises a first layer comprising a plurality of first yarns of continuous filaments, said first yarns being substantially parallel in a first direction; a second layer adjacent to and in contact with said first layer and comprising a plurality of second yarns of continuous filaments, said second yarns being substantially parallel in a second direction skew with respect to the first direction wherein the first and second yarns comprise para-aramid yarns having a tenacity of at least 25 grams per dtex and an elongation at break of from 3.6 to 4.5 percent.

L'invention porte sur un sous-ensemble utile dans un article de blindage balistique, lequel sous-ensemble comprend une première couche comprenant une pluralité de premiers fils de filaments continus, lesdits premiers fils étant sensiblement parallèles dans une première direction; une deuxième couche adjacente à ladite première couche et en contact avec celle-ci, et comprenant une pluralité de deuxièmes fils de filaments continus, lesdits deuxièmes fils étant sensiblement parallèles dans une deuxième direction inclinée par rapport à la première direction, les premier et deuxième fils comprenant des fils de para-aramide ayant une ténacité d'au moins 25 grammes par dtex et un allongement à la rupture de 3,6 à 4,5 pour-cent.

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