Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
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.
Albertson Kenneth Ray
Beck Gerald Helmut
Parker-Hannifin Corporation
Ward, Jr. Robert S.
Wolfram John N.
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