Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1974-10-17
1976-11-09
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
285345, 285351, 285379, F16L 1700
Patent
active
039907309
ABSTRACT:
A connecting fitting for pressure conduits including a pair of coupling elements with corresponding bores and one element having a female portion capable of receiving a male portion of the other element and said female portion having spaced apart recesses with seals positioned therein cooperating with exterior surfaces of said male portion to provide seals therebetween. One of said seals spacing said male and female parts in the assembled position thereof and having a recess providing a pair of lips with an orifices therebetween opening into said space between said parts for receiving a medium under pressure in said conduits, for spreading said lip into sealing engagement with said male and female parts.
REFERENCES:
patent: 2382375 (1945-08-01), Allen et al.
patent: 2466316 (1949-04-01), Jovanovich
patent: 3089713 (1963-05-01), Scaramucci
patent: 3202442 (1965-08-01), Abbey et al.
patent: 3264006 (1966-08-01), Downs
patent: 3532364 (1970-10-01), Snyder, Jr.
patent: 3680874 (1972-08-01), Schwarz
patent: 3796446 (1974-03-01), Shire et al.
Arola Dave W.
Linton Ulle C.
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