Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1980-08-08
1982-04-27
Lefevour, Charles F.
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
043271650
ABSTRACT:
The seal for the housing of a galvanic element, which has rotationally symmetrical housing portions is produced by a shrink fit provided through thermal expansion between the cup and the lid portions. This is produced by uniting with each other, in a crimping device, the housing cup using a heated die and upper ram, and a cooled housing lid which has been cooled by means of a cooled ejector.
REFERENCES:
patent: 3421945 (1969-01-01), Michalko
LeFevour Charles F.
Varta Batterie Aktiengesellschaft
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