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Edge design for impact resistant windshield

  • US 4,204,374 A
  • Filed: 11/10/1977
  • Issued: 05/27/1980
  • Est. Priority Date: 11/10/1977
  • Status: Expired due to Term
First Claim
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1. An impact resistant window comprising:

  • a plurality of transparent synthetic plastic sheets bonded together by at least one flexible interlayer, the innermost sheet being formed of polycarbonate;

    a metal bearing strip adhesively bonded on the inner face of the innermost polycarbonate sheet along at least part of an edge of the window, the inboard edge of the bearing strip curling gradually away from the inner face of the innermost sheet presenting a convex side of the bearing strip towards the innermost sheet;

    a flexible adhesive between the bearing strip and the innermost sheet including a generally wedge-shaped portion between the convex side of the inboard edge of the bearing strip and the adjacent face of the innermost sheet; and

    means for connecting the edge of the window and bearing strip to a frame or the like.

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