Bi-directional self-retaining cylindrical surface seal

Details Bi-directional self-retaining cylindrical surface seal Bi-directional self-retaining cylindrical surface seal

1985-02-19

1986-10-14

Shoap, Allan N.

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Expandable detent engages plate to hold nipple

277168, 277180, 277184, 285 26, 285325, 285910, F16J 1502, F16L 1903

Patent

active

046168575

ABSTRACT:
A seal for sealing between two mating faces that are curved. The seal includes a groove formed in one of the faces for encircling a passageway that terminates at the face. The groove has a depth that varies along the diameter of the groove with the curvature of the face. The base or bottom of the groove is located in a single plane. An elastomeric seal ring is located in the groove. The seal ring also has a variable cross-sectional thickness that varies around the diameter of the ring corresponding to the depth of the groove. The seal ring has an annular band that fits within a counterbore in the groove to retain the seal ring.

REFERENCES:
patent: 2773366 (1956-12-01), Slasht
patent: 3467413 (1969-09-01), Madrelle
patent: 3930656 (1976-01-01), Jelinek
patent: 4165882 (1979-08-01), Crow
patent: 4300773 (1981-11-01), Jelinek
patent: 4340117 (1982-07-01), Lawson

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