Fluid pipe coupling

Details Fluid pipe coupling Fluid pipe coupling

1988-11-22

1991-01-29

Arola, Dave W.

Pipe joints or couplings

Particular interface

285316, 285382, F16L 2500

Patent

active

049881299

ABSTRACT:
A fluid pipe coupling comprises a plug and a socket, at least one of which includes a cylindrical body member having an end portion adapted to engage the other and a caulking end portion, and an adapter member having a connector end portion adapted to be connected with a pipe member and a caulking end portion. One of the caulking end portions has a cylindrical caulking portion, while the other has a cylindrical caulking receiving portion adapted to engage the caulking portion. The caulking receiving portion has a plurality of annular grooves and annular projections therebetween on the peripheral surface thereof. The caulking portion and the caulking receiving portion engage each other with a seal member interposed therebetween. These two portions are caulked so that the cylindrical body member and the adapter member are coupled integrally with each other.

REFERENCES:
patent: 1907397 (1933-05-01), Kosik
patent: 2209709 (1940-07-01), Weatherhead
patent: 3420497 (1969-01-01), Wilcox
patent: 3589752 (1971-06-01), Spencer
patent: 3650507 (1972-03-01), Nyberg
patent: 3709528 (1973-01-01), Cruse
patent: 3761117 (1973-09-01), Shendure
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patent: 4328979 (1982-05-01), Stoll
patent: 4370793 (1983-02-01), Kanamaru
patent: 4470575 (1984-09-01), Stoll
patent: 4498658 (1985-02-01), Mikiya
patent: 4638975 (1987-01-01), Iuchi et al.
patent: 4817997 (1989-04-01), Ingram

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