Ring seals

Details Ring seals Ring seals

1988-06-27

1989-05-23

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277236, F16J 1512

Patent

active

048323535

ABSTRACT:
A heat safe ring seal comprises a metallic hollow ring (1) of uniform material thickness and radially inwardly facing channel-shaped radial profile. The walls of the channel adjacent their free ends are curved towards each other so as to form axially outwardly facing grooves (1a) which each accommodate and shield a concentric ring (2) of PTFE or elastomeric material.

REFERENCES:
patent: 1892618 (1932-12-01), Hubbard
patent: 2631908 (1953-03-01), Teetor
patent: 4089535 (1978-05-01), Sattinger
patent: 4319758 (1982-03-01), Nicholson
patent: 4508356 (1985-04-01), Janian

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