Vacuum bottle with air pump to pressurized bottle to effect disp

Details Vacuum bottle with air pump to pressurized bottle to effect disp Vacuum bottle with air pump to pressurized bottle to effect disp

1977-09-29

1978-09-12

Scherbel, David A.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

At least one nondispensing

222209, 222383, 222401, F04B 4302, B65D 4734, B67D 542, B67D 554

Patent

active

041131479

ABSTRACT:
A vacuum bottle includes a pump dispenser for dispensing liquids from the temperature insulating interior without the need for removing the top or pouring. The pump dispenser employs a manually operated disk to pump air from a diaphragm into the bottle interior where it forces the liquid contents up a fluid tube and out a dispensing spout. A plurality of spaced ribs improve the operation of the dispenser mechanism by preventing twisting of the disk during pumping.

REFERENCES:
patent: 2223256 (1940-11-01), Kross
patent: 2710711 (1955-06-01), Hutton
patent: 2771226 (1956-11-01), Bates
patent: 2965907 (1960-12-01), Ropelato
patent: 3827456 (1974-08-01), Sheppard
patent: 3905520 (1975-09-01), Nishioka
Zijirushi, Vacuum Bottle Co. Ltd., "Air Pot", Elephant Brand.

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