Vented container

Details Vented container Vented container

1977-12-27

1979-04-03

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Venting structure

429 89, H01M 212

Patent

active

041478410

ABSTRACT:
A container for a liquid includes a gas venting closure device. The closure device includes a body of a porous material that is not wetted by the contained liquid. The nonwetting relationship between the liquid and the solid prevents droplets of the liquid from being forced through the solid. One use for such devices is for lead-acid storage batteries, which must vent internally generated gases, while preventing leakage of battery acid. An exemplary battery plug also includes a sealing gasket of an elastomer formulated for long term stability against attack by battery acid.

REFERENCES:
patent: 2471585 (1949-05-01), Rittenhouse et al.
patent: 3507708 (1970-04-01), Vignaud
patent: 3915752 (1975-10-01), Gross

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