Sealing device for a pipe connection and method for sealing such

Details Sealing device for a pipe connection and method for sealing such Sealing device for a pipe connection and method for sealing such

1983-12-05

1984-08-07

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 9, 277166, 277186, 277207A, 285231, 285345, 285379, F16J 1512

Patent

active

044639554

ABSTRACT:
A sealing device for a pipe connection requires tighty clamping a sealing ring (1') made of elastomeric material in a socket and of a pipe section for the subsequent insertion of a plug-in end of an adjacent pipe section. An endless expanding ring (2) made of steel is held in an inwardly facing groove and butts in a gap-less manner against the base or bottom surface of an inwardly open groove (3) in the sealing ring (1'). The expanding ring (2) of steel is deformed by radially outwardly forces to increase the diameter of the steel ring slightly beyond the elastic limit of the steel of which the ring (2) is made. Thus, the circular outer periphery of the steel ring is still maintained even after the radially outwardly directed forces are removed, whereby the sealing device is locked in the socket against undesired displacement of the sealing ring (1').

REFERENCES:
patent: 2340852 (1944-02-01), Wormeley
patent: 4379559 (1983-04-01), Bohman

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