Pipe fitting

Details Pipe fitting Pipe fitting

1976-02-02

1977-07-19

Callaghan, Thomas F.

Pipe joints or couplings

Elbow

285236, 285373, F16L 2106

Patent

active

040365131

ABSTRACT:
A pipe fitting formed of resilient material having two or more end portions disposed at a predetermined angle to each other. A firm metallic sleeve is positioned about the resilient plastic material and a clamp is afforded at each of the end portions. Each such end portion is adapted to receive the end of a threaded or unthreaded pipe and is formed with internal annular ribs for sealingly engaging the pipe. The central portion of the fitting is provided with a thicker wall section so that the internal diameter thereat substantially coincides with or equals the internal diameter of the pipe.

REFERENCES:
patent: 561442 (1896-06-01), Schmidt
patent: 3211475 (1965-10-01), Freed et al.
patent: 3233922 (1966-02-01), Evans
patent: 3378282 (1968-04-01), Demler
patent: 3402946 (1968-09-01), Dedian

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