Gasket and engine with the gasket
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United States of America Patent
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Nov 17, 2015
Grant Date -
Jun 12, 2014
app pub date -
Aug 26, 2013
filing date -
Dec 7, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A gasket includes at least one metal plate; a fixture hole formed in the at least one metal plate, for inserting a fixture therein; a sealing subject hole formed in the at least one metal plate; and a fastening-stress concentration area located on the at least one metal plate between the fixture hole and the sealing subject hole where a fastening stress concentrates when the two members are fastened by the fixture. A fastening-stress reduction portion is formed only on the fastening-stress concentration area to reduce the fastening stress when the two members are fastened.
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