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Multiple layer cylinder head gasket

  • US 5,277,434 A
  • Filed: 09/11/1992
  • Issued: 01/11/1994
  • Est. Priority Date: 09/11/1992
  • Status: Expired due to Term
First Claim
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1. A cylinder head gasket of an internal combustion engine comprising:

  • a plurality of metal plates forming layers of said gasket;

    first and second sets of openings selectively formed within said plates;

    a first high temperature coating on a side of a first of said plates for sealing around said first set of openings to securely seal same when said gasket is tightened;

    a second elastomeric coating on a side of a second of a said plates for sealing around said second set of openings to securely seal same when said gasket is tightened, said second plate being configured such that it is spaced from said first set of openings;

    the outer surface of said first coating adapted to come into facial contact with an engine when said gasket is tightened;

    the outer surface of said second coating adapted to come into facial contact with an engine when said gasket is tightened; and

    a shim selectively disposed between two of said first plates and surrounding said first set of said openings.

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