Pressure activated seal ring

Details Pressure activated seal ring Pressure activated seal ring

1984-04-09

1985-02-05

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277215, F16J 1524, F16J 1546

Patent

active

044974949

ABSTRACT:
A pressure activated seal ring has an inner cylindrical surface with a plurality of undulations formed thereon and a substantially smooth cylindrical outer surface. The undulated areas permit pressure on the inner surface so that the outer cylindrical surface will be forced into sealing contact with an adjacent surface.

REFERENCES:
patent: 1499571 (1924-07-01), Davis
patent: 2226921 (1940-12-01), Chamberlain
patent: 3525530 (1970-08-01), Bauer et al.
patent: 3836216 (1974-09-01), Junker
patent: 4123068 (1978-10-01), Van Gorder
patent: 4165079 (1979-08-01), Clements

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