Resilient seal rings with dual lips

Details Resilient seal rings with dual lips Resilient seal rings with dual lips

1977-08-08

1978-05-16

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277206R, F16J 920, F16J 1532

Patent

active

040895335

ABSTRACT:
A seal ring for use on a piston or rod has a static sealing periphery that provides sealing contact across its entire surface and includes an interference lip for high sealing contact and a dynamic sealing periphery that has large and small diameter portions with a flexible flared lip hinged to the end of the large diameter portion and extending from it along most of the length of the small diameter portion but being radially spaced from it.

REFERENCES:
patent: 2387182 (1945-10-01), Procter
patent: 3118681 (1964-01-01), Fuehrer
patent: 3447819 (1969-06-01), Borsum et al.

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