Pressure responsive sealing means

Details Pressure responsive sealing means Pressure responsive sealing means

1977-11-30

1979-01-02

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 75, 277168, 277194, 277198, F16J 902, F16J 908

Patent

active

041324170

ABSTRACT:
A sealing device such as a piston ring has an L shaped cross section with primary and secondary sealing surfaces held in contact. The device is mounted in a groove to dispose the primary sealing surface against two relatively movable members and the secondary sealing surface substantially normal thereto.

REFERENCES:
patent: 1699135 (1929-01-01), Cronin
patent: 1749832 (1930-03-01), Morton
patent: 2212335 (1940-08-01), Wenzel
patent: 2634179 (1953-04-01), Haverly
patent: 2807511 (1957-09-01), Fleming
patent: 2927831 (1960-03-01), Tuczek
patent: 3066943 (1962-12-01), Brenneke
patent: 3214182 (1965-10-01), Herbruggen
patent: 3632121 (1972-01-01), Wahlmark
patent: 3893675 (1975-07-01), Jeffroy

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