Pipe joints or couplings – With fluid pressure seal – Wedged gasket
Patent
1977-05-27
1980-03-04
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
Wedged gasket
285321, 285348, 285356, F16L 1702
Patent
active
041914082
ABSTRACT:
A quick connect tube coupling sealingly couples a tube to a body solely by pushing the tube axially into the body. The tube is provided with a reduced diameter end portion and a conical ramp portion and an annular groove. The body has a passage extending therethrough which includes a nominal diameter portion, a counterbore portion, and a threaded end portion. A coupling subassembly is screwed into the threaded end of the passage in the body before the tube is assembled. The coupling subassembly includes a nut having a tube receiving passage and a retainer which holds a snap ring and an elastomeric seal in place prior to and after assembly of the tube.
REFERENCES:
patent: 1665346 (1928-04-01), Clarke
patent: 1754639 (1930-04-01), Meyer
patent: 2434426 (1948-01-01), Muller
patent: 2538683 (1951-01-01), Guiler et al.
patent: 2779610 (1957-01-01), Risley
patent: 2848255 (1958-08-01), Klein et al.
patent: 3479068 (1969-11-01), Brittain
patent: 3540760 (1970-11-01), Miller
patent: 3584313 (1971-06-01), Brown et al.
patent: 3871691 (1975-03-01), Takagi et al.
Callaghan Thomas F.
The Weatherhead Company
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