Battery vent plug

Details Battery vent plug Battery vent plug

1973-05-03

1977-10-04

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Venting structure

429 54, 429 89, H01M 212

Patent

active

040525341

ABSTRACT:
Various improved battery vent plugs utilizing a slit resilient acid-resistant diaphragm bi-directional valve which opens temporarily automatically under gaseous pressure serve to minimize battery fluid loss.

REFERENCES:
patent: 789877 (1905-05-01), Perry
patent: 1366298 (1921-01-01), Teitelbaum
patent: 1732158 (1929-10-01), Ford
patent: 2690466 (1954-09-01), Kendall et al.
patent: 2743035 (1956-04-01), Fogarty
patent: 2896007 (1959-07-01), Buskirk
patent: 3218198 (1965-11-01), Havlick
patent: 3398026 (1968-08-01), Andre
patent: 3507708 (1970-04-01), Vignaud
patent: 3560266 (1971-02-01), Mossford
patent: 3615868 (1971-10-01), Melone
patent: 3664875 (1972-05-01), Graf
patent: 3671325 (1972-06-01), Mocas
patent: 3904441 (1975-09-01), Badger

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