High-pressure resistant piston seal

Details High-pressure resistant piston seal High-pressure resistant piston seal

1988-03-07

1989-03-07

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277188R, F16J 900

Patent

active

048099910

ABSTRACT:
A piston seal includes a pair of annular metal sealing rings mounted in grooves in the cylindrical surface of a piston with one ring being located adjacent each of the opposed end faces of the piston. An annular sealing member of resilient material is mounted on the piston in an annular goove located between the metal rings.

REFERENCES:
patent: 3393917 (1968-07-01), Kendall et al.
patent: 4470388 (1984-09-01), Showalter
patent: 4669369 (1987-06-01), Holt et al.

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