Fluidtight pipe joint

Details Fluidtight pipe joint Fluidtight pipe joint

1983-02-24

1986-09-16

Husar, Cornelius J.

Pipe joints or couplings

Particular interface

Annular socket

285334, 2853344, F16L 1500

Patent

active

046118381

ABSTRACT:
Two metallic pipes to be sealingly interfitted are respectively provided with a plug-shaped male extremity and a socket-shaped female extremity having mating frustoconical peripheral threads and adjoining unthreaded annular peripheral formations closely contacting each other upon assembly. An annular end face of the male extremity and a confronting annular shoulder of the female extremity, lying in planes transverse to the pipe axis or on frustoconical surfaces of large apex angle converging toward the entrance end of the socket upon assembly, respectively have one or more annular rabbets and ribs centered on the pipe axis with profiles having outer or inner flanks parallel to that axis and closely juxtaposed in the fully assembled position in which the top of each rib abuts the bottom of an associated rabbet.

REFERENCES:
patent: 174035 (1876-02-01), Vick
patent: 279086 (1883-06-01), Emery
patent: 1233379 (1917-07-01), McCleary
patent: 1884551 (1932-10-01), Boynton
patent: 2258066 (1941-10-01), Oyen
patent: 2893759 (1959-07-01), Blose
patent: 3870351 (1975-03-01), Matsuki

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