Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1982-12-01
1985-06-04
Hearn, Brian E.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429185, H01M 208
Patent
active
045215006
ABSTRACT:
An improved leak-proof alkaline cell comprising positive and negative electrode materials, a member for accommodating said positive electrode materials, a member for covering said negative electrode materials and a gasket provided between the members, characterized in that a sealant comprising asphalt and a compound selected from the group consisting of homopolymer of vinyl acetate, copolymer of vinyl acetate and polyterpene is interposed between the gasket and at least one of said members.
REFERENCES:
patent: 4224736 (1980-09-01), Feldhake
patent: 4263380 (1981-04-01), Riedl
patent: 4282293 (1981-08-01), Van Lier
Hearn Brian E.
Hitachi Maxell Limited
Kalafut Stephen J.
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