Check valve

Details Check valve Check valve

1989-08-29

1990-05-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137903, F16K 1514

Patent

active

049210173

ABSTRACT:
A check valve comprises a valve body and a plurality of blades--all made of plastics and integral with one another. The blades extend straight in the axial direction of the valve body. The blades undergo elastic deformation when pushed onto a tapered inner surface of a stopper at their free ends, thereby biasing the valve body onto a valve seat.

REFERENCES:
patent: 3385301 (1968-05-01), Harautuneian
patent: 4445535 (1984-05-01), Mayfield
patent: 4597511 (1986-07-01), Licari
patent: 4681132 (1987-07-01), Lardner

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