Nested serpentine seal assembly

Details Nested serpentine seal assembly Nested serpentine seal assembly

1984-04-23

1985-07-02

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277213, 277216, F16J 1518

Patent

active

045263868

ABSTRACT:
A piston seal assembly comprises a seal element of relatively hard material to resist extrusion. The element is of serpentine configuration to facilitate radial expansion. Backup elements nest with the seal element to stabilize the element within a complementary piston groove.

REFERENCES:
patent: Re18102 (1931-06-01), Bowers
patent: 1500705 (1924-07-01), Heslewood et al.
patent: 2615769 (1952-10-01), Barnes et al.
patent: 2973978 (1961-03-01), Oppenheim
patent: 3118682 (1964-01-01), Fredd

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