Battery vent plug with flame arrestor

Details Battery vent plug with flame arrestor Battery vent plug with flame arrestor

1980-09-19

1982-03-02

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Venting structure

429 89, H01M 212

Patent

active

043178685

ABSTRACT:
A vent plug for use in batteries, such as lead acid batteries. The vent plug is provided with a flame arresting vent passage portion defined by a plurality of elongated small cross section flow passages. The vent plug is adapted for low cost manufacture as by injection molding of separate parts thereof in accurate dimensional coordination. The flame arrestor passages, in the illustrated embodiment, are formed by projecting portions on one of the plug elements extending into fitted engagement with the other of the elements.

REFERENCES:
patent: 1459121 (1923-06-01), Van deWiel
patent: 3108911 (1963-10-01), Miller
patent: 3466199 (1969-09-01), Henton
patent: 3879227 (1975-04-01), Hennen
patent: 3915752 (1975-10-01), Gross
patent: 3992226 (1976-11-01), Godshalk
patent: 4002495 (1977-01-01), Hakarine
patent: 4072799 (1978-02-01), Leeson et al.

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