Pipe joints or couplings – Convertible
Patent
1990-04-30
1991-06-11
Arola, Dave W.
Pipe joints or couplings
Convertible
285 15, 285179, 285373, 285387, F16L 2500
Patent
active
050226843
ABSTRACT:
A clamp for sealing leaks occurring between a pipe and a pipe fitting. The clamp is usable with common tee, straight, reducer, and 90.degree. elbow fittings and with various combinations of simple adapters can be used with at least two standard sizes of any such fittings. Two of the disclosed embodiments are particularly useful with flanged gate valves.
REFERENCES:
patent: 2366341 (1945-01-01), Lappin
patent: 3517701 (1970-06-01), Smith
patent: 3689110 (1972-09-01), Ferguson
patent: 3944260 (1976-03-01), Petroczky
patent: 4461498 (1984-07-01), Kunsman
patent: 4576401 (1986-03-01), Harrison
patent: 4653782 (1987-03-01), Mundoy
patent: 4721330 (1988-01-01), Woodhouse
patent: 4728130 (1988-03-01), Corzine
patent: 4768813 (1988-09-01), Timmons
patent: 4822075 (1989-04-01), Reaux
Arola Dave W.
Richardson H. Albert
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