Check valve

Details Check valve Check valve

1989-09-20

1990-12-18

Rivell, John

Fluid handling

Line condition change responsive valves

Direct response valves

137527, F16K 1503

Patent

active

049779265

ABSTRACT:
A check valve having a plate comprising a sheet material body with at least one hinge lug for mounting the plate on a hinge and a valve face for engaging, in use, a valve seat of the valve.

REFERENCES:
patent: 3023771 (1962-03-01), Hinds
patent: 3074427 (1963-01-01), Wheeler, Jr.
patent: 3678958 (1972-07-01), Satterwhite et al.
patent: 3696832 (1972-10-01), Maurice et al.
patent: 4005732 (1977-02-01), Buckner
patent: 4043358 (1977-08-01), Sliski
patent: 4257451 (1981-03-01), Paton
patent: 4457333 (1984-07-01), Sharp
patent: 4585026 (1986-04-01), Norton
patent: 4694853 (1987-09-01), Goodwin

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