Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1985-09-03
1987-05-19
Hearn, Brian E.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429176, H01M 208
Patent
active
046668004
ABSTRACT:
A cover which is to be sealed tightly to the corresponding plastic container of a battery cell by means of radiant heating is provided with a series of molded knobs along the lower side of its edge, which knobs serve as spacers between the cover and the edge of the container during the heat-up phase so that the surfaces to be bonded are exposed to the radiant heat without obstruction. The softened knobs are plasticized and bonded when the container and the cover are subsequently pressed together.
REFERENCES:
patent: 4276360 (1981-06-01), Hardigg et al.
patent: 4380577 (1983-04-01), Hardigg
Bechtold Dieter
Eckardt Rudolf
Hearn Brian E.
Kalafut Stephen J.
Varta Batterie Aktiengesellschaft
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