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:
Feb. 17, 1981
Filed:
Mar. 14, 1980
Applicant:
Inventor:
Theodore R Beatty, Bay Village, OH (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 54 ; 429 56 ;
Abstract
Radially sealed galvanic dry cells having a safety high pressure vent means comprising the crimping of an arc portion between about 150.degree. and 200.degree. of the top edge of the container over the cell's gasket-cover closure means so that at a predetermined high internal gas pressure build up, the gas will tip the cover of the closure means and produce a vent passage within the cell housing between the cover and the gasket of the closure means proximal the remaining arc portion of the top edge of the container.