Quick-connect coupling having heads unified with pipe

Details Quick-connect coupling having heads unified with pipe Quick-connect coupling having heads unified with pipe

1986-03-20

1988-02-02

Callaghan, Thomas F.

Pipe joints or couplings

Irrigation type

285284, 285311, 285156, F16L 3720

Patent

active

047225556

ABSTRACT:
A quick-connect pressurizable coupling assembly having mating male and female head parts each integrally attached to an outwardly flared pipe end by being cast around the pipe. The male head part is provided at its forward end with an angled sealing surface having an adjacent annular radial outward projection. The female part is provided at its forward end with an annular shaped inner recess for retaining a resilient sealing ring and it also has an annular outer curved surface. A clamping unit encircles the female part curved surface, and is equipped with an annular clamping ring having at least one short hook and at least one long hook having a handle grip and pivotally attached to the clamping ring. The two hooks are adapted for attachment to the annular radial projection of the male part, thereby providing for the male and female head parts to be conveniently connected together to provide a pressurizable joint for the pipes.

REFERENCES:
patent: 1982732 (1934-12-01), Fletcher et al.
patent: 2256845 (1941-09-01), Lanninger
patent: 2459389 (1949-01-01), Newman
patent: 2627427 (1953-02-01), Engelman
patent: 3208776 (1965-09-01), Buschow
patent: 3642306 (1972-02-01), Gheen et al.
patent: 3866951 (1975-02-01), DeLoach
patent: 3889982 (1975-06-01), Trunnell
patent: 3910610 (1975-10-01), Turner et al.
patent: 3984133 (1976-10-01), Bird

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