Annular seal

Details Annular seal Annular seal

1976-06-08

1978-01-10

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277205, F16J 1532, F16J 906

Patent

active

040674070

ABSTRACT:
An annular seal of resilient material is disclosed and having an axially directed groove containing a spring between two interconnected body portions. At least one of said body portions has a sealing lip projecting in a radial direction generally opposite the location of said spring. Said groove has portions spaced from the bottom and in embracing contact with opposite surfaces of said spring. Said groove bottom being a portion of an ellipse and having embracing contact with a juxtaposed portion of said spring only when the sealing lip is under a compressive load.

REFERENCES:
patent: 3738665 (1973-06-01), Bilco
patent: 3813105 (1974-05-01), McQueen

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