Synthetic resin sealing ring assembly with metal film layer
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United States of America Patent
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-
May 31, 1988
Grant Date -
N/A
app pub date -
Jun 10, 1987
filing date -
Jun 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing ring assembly comprises a synthetic resin sealing ring body having two opposing stepped cut surface portions including respective planer portions in sliding contact with each other, a synthetic resin gas sealing ring in contact with the inner circumferential surface of the sealing ring body, and a metal ring in contact with the inner circumferential surface of the gas sealing ring. To prevent the stepped cut surface portions from sticking to each other at the planar portions thereof, a metal film layer is provided on a planar portion of one of the stepped cut surface portions.
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