Dispensing – Resilient wall – Supply container delivering to receiving chamber
Patent
1987-02-25
1988-08-16
Marmor, Charles A.
Dispensing
Resilient wall
Supply container delivering to receiving chamber
222211, 222212, B67D 3700
Patent
active
047638168
ABSTRACT:
A device is disclosed for measuring and dispensing a fixed quantity of material having a material measuring and dispensing assembly disposed within a flexible container. The assembly includes a measuring cup extending adjacent to the bottom of the container with an opening for entry of the material, an air chamber disposed adjacent to the mouth of the container and formed with a nozzle for discharge of the material, and a tube connecting the cup and chamber. At least one opening is provided in the air chamber having a valve associated therewith which operates automatically to block the opening when the dispenser is inverted and to unblock the opening when the dispenser is upright. The dispenser is inverted and squeezed to dispense the quantity of material in the measuring cup, the opening being blocked by the valve to prevent flow of material therethrough. When the dispenser is upright, the valve unblocks the opening to permit air flow into the container and to permit refilling of the measuring cup. The dispenser is easily used with one hand, and the assembly is removable to permit refilling of the container.
REFERENCES:
patent: 890018 (1908-06-01), Burt
patent: 2989216 (1961-06-01), Moro-Lin
patent: 3178081 (1965-04-01), Adams
patent: 3224652 (1965-12-01), Ladwig et al.
patent: 3648903 (1972-03-01), Marchant
patent: 4091966 (1978-05-01), Laauwe
patent: 4286735 (1981-09-01), Sneider
Marmor Charles A.
Yee Stephen F. K.
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