Check value

Details Check value Check value

1985-04-22

1986-08-26

Walton, G. L.

Fluid handling

Line condition change responsive valves

Direct response valves

137514, 137527, F16K 1503, F16K 4700

Patent

active

046076611

ABSTRACT:
A check valve is provided having a valve casing, at least one pivotable closure element and at least one movable control element connected with an operating rod which cooperates with said closure element. The operating rod extends transversely to the longitudinal axis of the valve casing and motion-translating coupling means are arranged between the operating rod and the closure element.

REFERENCES:
patent: 627049 (1899-06-01), Cash
patent: 982400 (1911-01-01), Walker
patent: 2027455 (1936-01-01), Seibt
patent: 2578590 (1951-12-01), Perrault
patent: 3098502 (1963-07-01), Deve
patent: 3106220 (1963-10-01), Hose
patent: 3177894 (1965-04-01), Camp
patent: 3425436 (1969-02-01), Napolitano
patent: 4196745 (1980-04-01), Schutzer
patent: 4330006 (1982-05-01), Eck et al.
patent: 4443894 (1984-04-01), Klawitter
patent: 4445533 (1984-05-01), DeFrees

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