Elastomer ball check valve

Details Elastomer ball check valve Elastomer ball check valve

1986-04-07

1987-07-21

Cohan, Alan

Fluid handling

Line condition change responsive valves

Direct response valves

137539, 137541, 137903, 29213R, F16K 1504

Patent

active

046811397

ABSTRACT:
The disclosure is of a ball check valve comprising a valve body with a flow passageway completely through it. The flow passageway is counterbored at one end to form a conical seat and at the other end to form a radial shoulder. The valve member comprises an integral ball and stem of an elastomer. The stem is inserted through the valve passageway and stretched to function in the nature of a tension spring, with lateral extensions on the stem seated against the radial shoulder of the valve body.

REFERENCES:
patent: 755370 (1904-03-01), Kessler
patent: 1116584 (1914-11-01), Gingrich
patent: 1985192 (1934-12-01), O'Marra
patent: 2114482 (1938-04-01), Vrtel
patent: 4286664 (1981-09-01), Bolding, Jr.
patent: 4347915 (1982-09-01), Cooper

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