Portable beverage dispenser

Details Portable beverage dispenser Portable beverage dispenser

1986-10-22

1989-09-26

Rolla, Joseph J.

Dispensing

Resilient wall

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

222383, 2223865, 222131, 222389, 206521, B65D 3700

Patent

active

048694029

ABSTRACT:
The liquid storing volume of rigid dispenser tank is varied by inflation of a gas impermeable bladder with pressurized air to maintain the liquid beverage under pressure. The bladder is inserted or withdrawn from the tank through a releasably sealed opening. The dispenser includes a locked closure positioned in underlying relation to a flexible jacket for the tank.

REFERENCES:
patent: 1353236 (1920-09-01), Hatfield
patent: 1366279 (1921-01-01), Reynolds
patent: 2513455 (1950-07-01), Cornelius
patent: 2529937 (1950-11-01), Hale
patent: 3071282 (1963-01-01), Walters
patent: 3199511 (1965-08-01), Kerlick
patent: 3662929 (1972-05-01), Sims
patent: 3756367 (1973-09-01), Mitchell et al.
patent: 3998359 (1976-12-01), Pettit
patent: 4098434 (1978-07-01), Uhlig
patent: 4300705 (1981-11-01), Shy
patent: 4703519 (1987-10-01), Krenzel

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