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:
Nov. 07, 1978
Filed:
Apr. 04, 1977
Applicant:
Inventor:
Werner Riedl, Ellwangen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429 56 ; 429171 ; 429185 ;
Abstract
The cell cup of a primary element has a turned-over (crimped) rim engaging the underside of a synthetic plastic sealing member. The cell rim is turned over to between 140.degree. and 190.degree. and is engaged by the underside of the sealing member to the extent of 50 to 100.degree.. The end of the crimped rim abuts against a protrusion from the sealing member.