Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Blowout type
Patent
1992-05-20
1993-09-28
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Means externally releasing internal gas pressure from closed...
Blowout type
429174, H01M 212
Patent
active
052485684
ABSTRACT:
A multilayer film seal for use in galvanic cells, such as alkaline cells, comprising an organic polymeric seal member, such as polypropylene, having a base with at least one opening and a multilayer plastic film, such as polypropylene, disposed onto and secured to the base and wherein the pressure required to burst the multilayer plastic film is no grater than 120% of the pressure required to burst a single layer of the same material as, and having one half the thickness of, the multilayer plastic film.
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patent: 4581304 (1986-04-01), Beatty et al.
patent: 4774155 (1988-09-01), Nientiedt et al.
patent: 5051323 (1991-09-01), Murphy et al.
patent: 5079106 (1992-01-01), Urry
CEGASA International-"Engineering Manual-GEGASA Air-Alkaline Batteries with Self-Recharging Feature", J.C.L. Zigor Corporation, pp. 1-18, Copyright 1984, "The CEGasa Air-Alkaline Battery".
Eveready Battery Company Inc.
Skapars Anthony
Welsh Robert W.
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