Pipe coupling socket assemblies

Details Pipe coupling socket assemblies Pipe coupling socket assemblies

1975-12-10

1978-08-22

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277DIG2, 285230, 285345, F16J 1510

Patent

active

041084462

ABSTRACT:
A plastics material pipe coupling socket having a sealing ring locked in position in the socket by a locking ring. The locking ring is of channel section and is snap-fitted to the socket with the socket mouth snugly received in a recess in the channel base. A substantially enclosed annular space is defined between the locking ring and the socket. The sealing ring comprises an annular portion located in said annular space, a neck extending through the entrance to said annular space, and a sealing head.

REFERENCES:
patent: 3645547 (1972-02-01), Glover
patent: 3924881 (1975-12-01), O'Connor

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