Pipe coupling for large diameter pipe

Details Pipe coupling for large diameter pipe Pipe coupling for large diameter pipe

1975-06-23

1976-06-29

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285373, 285423, F16L 1704

Patent

active

039662373

ABSTRACT:
A pipe coupling includes arcuate shaped housing segments for positioning on the enlarged diameter ends of thin wall large diameter pipe as a complete coupling. The inside diameter of the coupling housing is larger than the corresponding pipe diameter such that the coupling does not contact the outside surface of the pipe. Each of the housing segments include a base portion and radial inward projections forming a gasket receiving groove. Each of the housing segments additionally include interlocking alignment means at connecting ends to radially and axially align the housing segments. The coupling also includes a gasket positioned within the gasket receiving groove and clamping means for drawing the housing segments together to couple and seal the connecting pipes with the gasket.

REFERENCES:
patent: 186435 (1877-01-01), Parsons
patent: 1165388 (1915-12-01), Clark
patent: 2998269 (1961-08-01), Houghton
patent: 3251615 (1966-05-01), Short
patent: 3329446 (1967-07-01), Katis et al.
patent: 3695638 (1972-10-01), Blakeley
patent: 3756629 (1973-09-01), Gibb
patent: 3834744 (1974-09-01), Masatchi

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