Bottled water cooler air filter

Details Bottled water cooler air filter Bottled water cooler air filter

1987-11-02

1989-05-30

Huppert, Michael S.

Dispensing

With casing or support

For bottom discharge dispenser supported on horizontal surface

222189, 239575, 55418, 55507, B67D 558

Patent

active

048342670

ABSTRACT:
A bottled water cooler has a bottle inverted into a cooling reservoir, and a double lipped gasket seals the bottle to the reservoir. Air is admitted, to permit water flow, through a conduit ending in a housing. The housing supports a removable, and replaceable, filter element carrying an extremely fine porosity filter medium. A check valve in the housing blocks the conduit unless the filter element is in place. The housing and conduit are mounted on the cooler cabinet in a shielded, but conveniently accessible, location.

REFERENCES:
patent: 778012 (1904-12-01), Conover
patent: 1228836 (1917-06-01), Schulse
patent: 1658227 (1928-02-01), Davis, Jr.
patent: 1881929 (1932-10-01), Pottenger, Jr.
patent: 3333741 (1967-08-01), Radcliffe
patent: 3966442 (1976-06-01), Waters
patent: 3974863 (1976-08-01), Frahm et al.
patent: 4022258 (1977-05-01), Steidley
patent: 4166627 (1979-09-01), Bainard et al.
patent: 4303514 (1981-12-01), Theorell
patent: 4682993 (1987-07-01), Todd et al.
Ebco Manufacturing Company Bottled Water Cooler Brochure, dated 2/23/87.

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