Gasket composition having expanded microspheres
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United States of America Patent
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-
Aug 7, 1990
Grant Date -
N/A
app pub date -
Sep 3, 1987
filing date -
Sep 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gasket is described which contains microspheres which expand inside the gasket sheet material after the gasket sheet is formed. Such gaskets are especially useful to provide a seal against fluid leaks at significantly lower pressures due to the presence of the microspheres. Some microspheres can expand during use.
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