Leak-proof dispensing container

Details Leak-proof dispensing container Leak-proof dispensing container

1980-08-27

1985-11-05

Rolla, Joseph J.

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

2224008, 222401, 222484, 222532, B67D 542

Patent

active

045508640

ABSTRACT:
An insulated dispensing container that includes an air pump for generating pressure above the liquid in the container for selective discharge through the discharge nozzle. A valve arrangement is incorporated for preventing the accidental discharge or leakage of the container contents when the pump is not being operated. The discharge valve is provided with a venting arrangement to vent any built up pressure over the liquid in the container upon opening of the valve so as to prevent drippage.

REFERENCES:
patent: 1968316 (1934-07-01), Schmitt
patent: 2992763 (1961-07-01), Huertas
patent: 3223296 (1965-12-01), Waddington et al.
patent: 3447724 (1969-06-01), Fiddyment
patent: 4274562 (1981-06-01), Medeiros et al.

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