Metal seal
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United States of America Patent
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Jun 16, 2015
Grant Date -
Jul 25, 2013
app pub date -
Jan 16, 2013
filing date -
Jan 23, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A metal seal of a non-circular ring which shows uniform sealing ability on whole periphery. The whole configuration of the metal seal is a non-circular ring having an R-shaped curved portion and a straight portion, and a cross-sectional configuration of the metal seal is changed as to make cantilever flexural rigidity larger on the straight portion than on the R-shaped curved portion.
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