METHOD FOR FORMING A PUNCTURE AND ABRASION RESISTANT LAMINATED FABRIC AND THREE DIMENSIONAL BALLISTIC RESISTANT PRODUCTS THEREFROM
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United States of America Patent
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app pub date -
May 21, 2009
filing date -
Oct 31, 2006
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Abstract
A puncture and abrasion resistant laminated fabric and ballistic resistant product is provided. The laminated fabric includes a woven fabric base sheet having warp and weft yarns, with at least 50 percent of the fibers in the warp yarns being formed of ultra high molecular weight polyethylene. A first thermoplastic film formed of EVA is bonded by heat and pressure applied by a hydraulic press to at least one of the sides of the fabric base sheet to form a film/fabric layer. Multiple layers are stacked with release paper between the layers to form multiple film/fabric layers simultaneously. Multiple layers of the film/fabric without release paper between the layers are also introduced to a molding operation to form three dimensional ballistic resistant articles such as body armor or helmets.
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