Metered quantity dispensing valve

Details Metered quantity dispensing valve Metered quantity dispensing valve

1981-09-08

1984-02-28

Rolla, Joseph J.

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222214, 222335, 2223865, 2224022, B65D 8314

Patent

active

044337973

ABSTRACT:
In a pressure vessel containing fluid or pasty product and equipped with a manually operable discharge valve spring-biased to a closed position, dispensing means for allowing a metered amount of said product to reach said discharge valve on operation thereof comprise a housing defining a metering chamber which is closed by a flexible diaphragm and can communicate with the discharge valve by way of a connecting passage. Further valve means disposed between the vessel interior and the metering chamber are adapted to be closed when the discharge valve is opened to expel the metering chamber contents and to be opened for replenishing the metering chamber when the discharge valve is closed.

REFERENCES:
patent: 2529028 (1950-11-01), Landon
patent: 3104785 (1963-09-01), Beard, Jr.
patent: 3377004 (1968-04-01), Kjelson
patent: 3705667 (1972-12-01), Blanie et al.

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