Valves and valve actuation – Rotary valves – Plug
Patent
1981-11-02
1983-12-20
Schwadron, Martin P.
Valves and valve actuation
Rotary valves
Plug
251313, 251345, 251348, 222516, 222553, F16K 500
Patent
active
044212976
ABSTRACT:
Self-closing fluid dispensing valves particularly for use with soft flexible fluid containers. The valves include a tubular outer housing having one end attached to the fluid container and an inner coaxial tubular barrel which may be rotated to align fluid dispensing holes in both housing and barrel. Tabs extending from both housing and barrel permit "two-finger" opening of the valves against spring forces that operate to automatically close the valves.
REFERENCES:
patent: 697109 (1902-04-01), Strong
patent: 1272950 (1918-07-01), Hawkins
patent: 3561487 (1971-02-01), Reed, Jr.
Pongrass Robert G.
Rutter Christopher C.
Castle Linval B.
Novack Sheri
Schwadron Martin P.
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