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Impact-resisting anti-lacerative window units

  • US 4,945,002 A
  • Filed: 08/28/1987
  • Issued: 07/31/1990
  • Est. Priority Date: 08/28/1986
  • Status: Expired due to Term
First Claim
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1. An impact-resisting anti-lacerative window unit of a sandwich structure comprising two exterior plate-like members made of a transparent organic polymer (A) and a transparent organic polymer (B) or a glass plate, respectively, and multilayer structure intermediate films interposed between the exterior platelike members, wherein said films consist essentially of alternatively laminated ethylene-vinyl acetate and ethylene-vinyl acetate triallyl isocyanurate terpolymer layers having therebetween a layer of a high breaking strength material selected from the group consisting of polyethylene terephthalate, polyamides, aromatic polyamides, polyester polyethers, polysulfones and polyimides.

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