Composite packing

Details Composite packing Composite packing

1976-10-04

1977-08-09

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277185, 277221, 277227, F16J 1524

Patent

active

040406369

ABSTRACT:
A composite packing comprising a first ring positioned between a pair of other rings, the rings being of deformable material but with the first ring being more readily deformable than the pair of rings, each of the pair of rings having an undercut recess facing the first ring, and the first ring having axial extensions projecting into the undercut recesses for holding the rings together as a unitary assembly.

REFERENCES:
patent: 2968516 (1961-01-01), Jarvis
patent: 3095619 (1963-07-01), Peterson
patent: 3169776 (1965-02-01), Felt
patent: 3342500 (1967-09-01), Knudson
patent: 3885801 (1975-05-01), Scannell
patent: 3930657 (1976-01-01), Svensson et al.

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