Preparing gasket compositions having expanded microspheres

Details Preparing gasket compositions having expanded microspheres Preparing gasket compositions having expanded microspheres

1990-05-29

1992-07-21

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 454, 264DIG6, B29C 6722

Patent

active

051320614

ABSTRACT:
A gasket 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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