Metal laminate gasket
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United States of America Patent
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Aug 29, 2006
Grant Date -
Sep 15, 2005
app pub date -
Mar 1, 2005
filing date -
Mar 9, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A metal laminate gasket with a hole to be sealed includes a base metal plate having a first hole corresponding to the hole to be sealed, and a first steel plate laminated on one side of the base metal plate and having a second hole with a diameter greater than that of the first hole. The second hole has an inner surface and is aligned with the first hole when the base metal plate and the first steel plate are laminated. A coating layer is deposited on the first steel plate and has a portion deposited on the inner surface of the second hole.
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