Cylinder head gasket
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United States of America Patent
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Jun 29, 2010
Grant Date -
Jun 16, 2005
app pub date -
Sep 17, 2004
filing date -
Sep 17, 2003
priority date (Note) -
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Abstract
A cylinder head gasket for sealing between a cylinder block and a cylinder head, composed of a composite base plate, the composite base plate comprising a core material plate and a compound layer formed on the front and back surfaces of the core material plate, the compound layer being formed by coating compound materials which contain a rubber and a fiber material. The cylinder head gasket is comprised of an annular groove which is formed by pressing the corresponding region around the cylinder bore of the compound layer, and a bead projecting from the surface of the compound layer which is formed by inserting the rubber material into the annular groove.
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