Pipe joints or couplings – Particular interface
Patent
1992-04-09
1994-05-03
Arola, Dave W.
Pipe joints or couplings
Particular interface
285346, 285353, 285422, F16L 2500
Patent
active
053081242
ABSTRACT:
A pipe joint thrust ring to be interposed between a joint member of a pipe joint and a connecting threaded member rotatably fitted to the joint member. The thrust ring comprises a C-shaped body in the form of a circle partly cut away and having spring elasticity. The inner width between opposed ends of the C-shaped body is maller than the outside diameter of the joint member and can be increased to a value equal to the outside diameter of the joint member.
REFERENCES:
patent: 2136155 (1938-11-01), Spicelli
patent: 2200500 (1940-05-01), Hinrichs
patent: 2382948 (1945-08-01), Brozck
patent: 2491310 (1949-12-01), Heimann
patent: 3352576 (1967-11-01), Thomsen
patent: 3643984 (1972-02-01), Bulleri
Ikeda Nobukazu
Kojima Tetsuya
Masuda Naoya
Yamaji Michio
Arola Dave W.
Fujikin Incorporated
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