Releasable, high-pressure seal and method of forming same

Details Releasable, high-pressure seal and method of forming same Releasable, high-pressure seal and method of forming same

1976-11-01

1978-09-12

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277101, 277128, 250507, 220240, 215 12R, 215270, 285110, G21F 500, B65D 5100

Patent

active

041132424

ABSTRACT:
A releasable, high-pressure seal is formed between axially aligned conduits each fitted with an end flange. One of the end flanges is relatively rigid. The other end flange is relatively resilient and slightly frustroconically shaped. The periphery of the resilient flange is connected to its associated conduit. A seal ring is disposed between the two flanges in proximity of the opening through the flanges. Fluid pressure applied to the inside of the resilient flange biases that flange towards the rigid flange because the portion of the former radially outward of the seal ring is subjected to ambient pressure only. In this manner the sealing force applied against the seal ring is increased proportionally to the fluid pressure interiorly of the conduits. A pair of opposing, inner conduits are rigidly secured to the respective outer conduits and they protrude past the outer conduits. They engage each other first when the conduit sets are axially moved towards each other so that the inner conduits act as a centering device. A seal is placed between ends of the inner conduits and the conduit sets are secured to each other with a peripheral clamp engaging opposing peripheral collars of the outer conduits.

REFERENCES:
patent: 2687229 (1954-08-01), Laurent
patent: 2769648 (1956-11-01), Herman
patent: 2848135 (1958-08-01), Rickard et al.
patent: 3256441 (1966-06-01), Grasty
patent: 3367682 (1968-02-01), Meriano
patent: 3473556 (1969-10-01), Johnson et al.
patent: 3952724 (1976-04-01), Pei
patent: 3967837 (1976-07-01), Westerlund et al.

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