Valve having suck-back feature

Details Valve having suck-back feature Valve having suck-back feature

1981-08-06

1983-07-26

Rolla, Joseph J.

Dispensing

Nozzles, spouts and pouring devices

Antidrip

13751627, 141117, B65D 572

Patent

active

043949452

ABSTRACT:
A valve assembly has a spring-biased discharge valve seated for closing the discharge whereafter product is sucked back from a discharge nozzle during a continued movement of the valve in the direction of closing. Parts of the valve may be relatively adjusted for regulating the amount of suck-back flow of product from the nozzle.

REFERENCES:
patent: 2721008 (1955-10-01), Morgan, Jr.
patent: 3315899 (1967-04-01), Quarve
patent: 3547148 (1970-12-01), Drori
patent: 4062480 (1977-12-01), Bjorklund
patent: 4119058 (1978-10-01), Schmermund
patent: 4142707 (1979-03-01), Bjorklund

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