Sealing ring for spigot and socket pipe joint

Details Sealing ring for spigot and socket pipe joint Sealing ring for spigot and socket pipe joint

1980-05-30

1982-02-16

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

285110, 285231, 285345, 285379, 277 152, 277166, F16J 1532

Patent

active

043156304

ABSTRACT:
Joints for thermoplastic pipe. The necessity of providing a sealing ring between the socket and spigot of such a joint results in forming a ring groove in the socket and affixing the sealing ring within this ring groove. The present invention contemplates forming a sealing ring groove 6 so configured around a sealing ring 11 with a substantially axially incompressible portion 12 to lock the sealing ring in place and also to enhance the ease of assembly and ability of the thus assembled joint to structurally withstand elevated hydrostatic pressures. Also disclosed is an apparatus 20 and 44 for forming the preferred socket configuration.

REFERENCES:
patent: 2330104 (1943-09-01), Antonelli
patent: 3197217 (1965-07-01), Mastrobattista et al.
patent: 3484900 (1969-12-01), Sands et al.
patent: 3520047 (1970-07-01), Muhlner et al.
patent: 3544119 (1970-12-01), Glover
patent: 3793427 (1974-02-01), Heisler
patent: 3836622 (1974-09-01), Sporre et al.
patent: 3854732 (1974-12-01), Franz et al.
patent: 3924999 (1975-12-01), Harris et al.
patent: 3998578 (1976-12-01), Acda
patent: 4046387 (1977-09-01), Lee

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