Pipe coupling with a wedging contractile ring

Details Pipe coupling with a wedging contractile ring Pipe coupling with a wedging contractile ring

1977-02-10

1978-05-02

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285105, 285308, 285321, 285369, F16L 3500

Patent

active

040871207

ABSTRACT:
A pipe coupling for releasably securing pipes in end to end relation uses ntrolled wedging action of contractile rings positioned between the coupling and the ends of the pipes. The pipes are disengagable from the coupling through the use of a tool inserted between the pipe and the coupling and simultaneously moving the pipe inwardly of the coupling so as to reposition the contractile rings.

REFERENCES:
patent: 2111956 (1938-03-01), Baldwin
patent: 2127086 (1938-08-01), McGrath
patent: 2479960 (1949-08-01), Osborn
patent: 3600010 (1971-08-01), Downs

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