Compound gasket useful for high temperature, high pressure service
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United States of America Patent
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-
Jun 2, 1992
Grant Date -
N/A
app pub date -
Jan 22, 1991
filing date -
Jan 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a preferred embodiment, a compound gasket including a relatively nonresilient base member having an opening therethrough and a relatively resilient member disposed about the opening. The resilient member has a thickness somewhat greater than at least a portion of the base member so that mating surfaces between which the gasket is placed can be drawn together to contact the thickened portion of the base member so that the resilient member is compressed to a precise degree. The resilient member is freely movable with respect to the nonresilient member to better accommodate differential expansion and nonuniformities in the mating surfaces.
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