Sealing plug

Details Sealing plug Sealing plug

1984-07-17

1985-01-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 9, F16J 90, F16J 150

Patent

active

044923813

ABSTRACT:
A sealing plug includes a plug and a housing the plug and the housing including co-operating means whereby they may be secured together, the plug including two circumferentially extending grooves within which O ring seals are located, and the housing including an aperture within which the plug is adapted to be located, the housing also including a spring loaded radially extending pin which projects into the aperture and which is adapted to project into either of the grooves within the plug if an O ring is omitted, thus preventing the plug being secured with the housing by the co-operating means.

REFERENCES:
patent: 2196953 (1940-04-01), Botlner et al.
patent: 3587405 (1971-06-01), Holmes
patent: 3711060 (1973-01-01), Weinstein
patent: 3778881 (1973-12-01), Knapp
patent: 3947944 (1976-04-01), Washington
patent: 4103900 (1978-08-01), Wittersheim
patent: 4407518 (1983-10-01), Moskowitz et al.
patent: 4453698 (1984-06-01), Defrees

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