Pipe coupling with a wedging contractible ring

Details Pipe coupling with a wedging contractible ring Pipe coupling with a wedging contractible ring

1977-09-13

1979-02-06

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285308, 285321, 285369, F16L 3500

Patent

active

041381467

ABSTRACT:
A pipe coupling for releasably securing pipe in end to end relation uses controlled wedging action of contractile rings positioned between the coupling and the ends of the pipes. The pipes are disengagable from the coupling by manually moving the pipes inwardly of the coupling and then inserting a thin half circular sleeve tool between the pipes and the contractile rings so as to reposition the contractile rings away from the pipes.

REFERENCES:
patent: 2182797 (1939-12-01), Dillon
patent: 2225610 (1940-12-01), Christian
patent: 2479960 (1949-08-01), Osborn
patent: 2939728 (1960-06-01), Bitel
patent: 3362730 (1968-01-01), St. Clair et al.
patent: 3929355 (1975-12-01), Sljusar

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