Gaskets for use in internal combustion engines
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United States of America Patent
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Nov 27, 1990
Grant Date -
N/A
app pub date -
Mar 9, 1989
filing date -
Jul 29, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gasket for use in internal combustion engines characterized in that one or both surfaces of a metallic or non-metallic sheet thereof are coated with a coat layer of a thickness of from 10 to 300 .mu.m composed of a coating material comprising from 20 to 60% by weight of expanded graphite having a specific volume of from 10 to 300 cc/g and from 40 to 80% by weight of a binder such as a synthetic resin.
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