Integral valve apparatus

Details Integral valve apparatus Integral valve apparatus

1979-12-17

1983-03-08

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137537, 137541, 137DIG4, F16K 1514

Patent

active

043758258

ABSTRACT:
A valve apparatus is integrally molded from an elastomeric material so as to form a valve seating portion including a valve opening, a valve member and connective strands extending from the valve seating portion to the valve member. The valve member is initially molded on one side of the valve opening, and a portion of the valve member is passed through the opening to the other side thereof. The connective strands are stretched while passing a portion of the valve member through the opening so as to create a bias on the valve member which tends to seat the valve member on the other side of the opening.

REFERENCES:
patent: 549678 (1895-11-01), Miller
patent: 1942959 (1934-01-01), Fenton
patent: 3586068 (1971-06-01), Nicholson
patent: 3626980 (1971-12-01), Svensson
patent: 3758073 (1973-09-01), Schulte
patent: 3827439 (1974-08-01), Schulte
patent: 3957944 (1976-05-01), Guala

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