The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 1982
Filed:
Aug. 08, 1980
Applicant:
Inventor:
Thomas Kuhl, Eppstein, DE;
Assignee:
Varta Batterie Aktiengesellschaft, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429174 ; 429185 ;
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.