Pipe coupler

Details Pipe coupler Pipe coupler

1969-04-09

1977-01-04

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285175, 285340, 285354, F16L 1702

Patent

active

040009190

ABSTRACT:
A coupler for effecting hermetically sealed pipe or conduit interconnection by slip fit and without the use of tools. A coupler body member and a screw-on nut compress therebetween the outer marginal frusto-conical portion of a spring metal locking ring having arcuate segments directed angularly inwardly of the slipfit opening and defining a circle of slightly greater diameter than that of the pipe to be connected before the locking-ring is compressed in place, and slightly lesser in diameter than that of the pipe to be connected when the locking-ring is compressed in place. Pipe disconnect is accomplished by unscrewing the nut, which permits the locking ring to again assume a configuration wherein the arcuate segments define an opening of sufficiently greater diameter to permit withdrawal of the pipe.

REFERENCES:
patent: 2457648 (1948-12-01), Donner
patent: 2458714 (1949-01-01), Mohoney
patent: 2491004 (1949-12-01), Graham
patent: 3204988 (1965-09-01), Ouderkirk et al.
patent: 3272538 (1966-09-01), Bergstrom
patent: 3312483 (1967-04-01), Leadbetter et al.

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