Metal gasket
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United States of America Patent
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Dec 2, 2014
Issued Date -
N/A
app pub date -
May 7, 2007
filing date -
May 16, 2006
priority date (Note) -
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Abstract
A metal gasket includes first and second metal plates laminated together to form the metal gasket, and having holes to be sealed. At least one of the first and second metal plates has a half bead surrounding the hole. A surface pressure assistance plate is located at least adjacent to the half bead between the first and second metal plates. The assistance plate has depressions and projections with respect to a thickness direction thereof in at least a peripheral part thereof.
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