Quad bolt

Details Quad bolt Quad bolt

1982-04-09

1984-04-10

Smith, Robert T.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277236, 277177, F16J 1512, F16L 2300

Patent

active

044417250

ABSTRACT:
A coupling of two confronting hubs with a metal seal ring sealing between the confronting faces of the hubs and O-rings sealing between each hub and the metal seal ring together with a third environmental seal O-ring that seals against pressure in both directions to protect against environmental fluid reaching the metal ring and to provide a final seal in the event of failure of the metal seal ring and one of the O-rings in the groove receiving the metal seal ring.

REFERENCES:
patent: 2330425 (1943-09-01), Hilton
patent: 2764311 (1956-09-01), Blackman
patent: 3329447 (1967-07-01), Hitz
patent: 3501158 (1970-03-01), Tillman
patent: 3918725 (1975-11-01), Dryer
patent: 4214763 (1980-07-01), Latham

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