Seal ring

Details Seal ring Seal ring

1978-07-10

1980-01-29

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277216, F16J 920, F16J 902

Patent

active

041858425

ABSTRACT:
An improved composite seal ring is provided by making the L-shaped main seal ring and auxiliary seal ring of a thermoplastic or thermosetting synthetic resin and the ratio of the axial thickness of the thin wall portion of the main seal ring to the axial thickness of the entire composite seal ring being between 1/2 and 3/4 and the auxiliary seal ring having a radial width at least twice as large as the piston-cylinder gap and less than 4/5 the radial width of the entire composite seal ring.

REFERENCES:
patent: 1822101 (1931-09-01), Lewis
patent: 2898134 (1959-08-01), Moskow
patent: 3494624 (1970-02-01), Woodling
patent: 3612538 (1971-10-01), Sievenpiper
patent: 3632121 (1972-01-01), Wahlmark
patent: 3806134 (1974-04-01), Schexnayder
patent: 4132420 (1979-01-01), Lundholm

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