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:
May. 19, 1992
Filed:
May. 07, 1990
Applicant:
Inventors:
Earl J Chaney, Jr, Medina, OH (US);
Theodore P Dziak, Fairview Park, OH (US);
Assignee:
Eveready Battery Company, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429172 ; 424 56 ; 424174 ; 424185 ;
Abstract
An electrochemical cell having a cold worked, complexly configurated and subsequently annealed cover over an open end of the cell housing, the cell cover incorporating a compression ring of high yield strength in radially outwardly compressive engagement with the inner face of a rim of the cover to compress the rim against a seal between the rim and the cell housing.