Pipe joint locking ring and groove arrangement

Details Pipe joint locking ring and groove arrangement Pipe joint locking ring and groove arrangement

1977-01-17

1978-09-05

Schroeder, Werner H.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285321, 285423, 285DIG22, F16L 2500

Patent

active

041114647

ABSTRACT:
A female pipe joint end 3 has a circular groove 11 and a rectangular circular groove 9 in its expanded inner periphery, and a mating male pipe joint end 6 has a tapered insertion edge 5 and a circular groove 7 in its outer periphery. The side wall of the groove 7 nearest the pipe end is perpendicular to the pipe axis; the opposite side wall is tapered. A packing seal 10 is disposed in the groove 11, and a continuous, relatively rigid locking ring 4 of synthetic resin is disposed in the groove 9 and snap fitted into the groove 7 during assembly. The ring 4 may have a bevelled lip 13, stepped inner and outer peripheries 15, 16, 17, or axial grooves 14 or holes 14' therethrough.

REFERENCES:
patent: 738503 (1903-09-01), Waters
patent: 2727761 (1955-12-01), Elliott et al.
patent: 2901269 (1959-08-01), Rickard
patent: 3243206 (1966-03-01), Samer
patent: 3447819 (1969-06-01), Borsum et al.
patent: 4018462 (1977-04-01), Saka

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