Pipe sealing device

Details Pipe sealing device Pipe sealing device

1981-05-20

1983-04-12

Bryant, III, James E.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

138109, 285345, 285379, F16L 1900

Patent

active

043795595

ABSTRACT:
A sealing device for providing a fluid-tight seal when jointing different types of pipes. The sealing device comprises a sealing ring made of a resilient material are positioned in an annular groove in the outer pipe, and has a sealing portion adapted sealingly to engage an inner pipe introduced therein. A retainer ring made of a rigid or semi-rigid material cooperates with a radially inwardly extending projection of the sealing ring for retaining the sealing ring in a correct position in the groove during the introduction of the end portion of the inner pipe to a position wherein the end portion of the pipe deforms the sealing portion. The projection is positioned immediately in front of the retainer ring in the direction of introduction of the inner pipe, and the sealing portion is positioned behind the retainer ring. Preferably, the projection converges in the direction of introduction of the inner pipe so that the projection is folded over the retainer ring and presses the ring radially outwards when the projection is deformed by the inner pipe.

REFERENCES:
patent: 1924020 (1933-08-01), Bihet
patent: 3081102 (1963-03-01), Murray et al.
patent: 3372942 (1968-03-01), Carter

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