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:
Jul. 22, 1986
Filed:
Apr. 17, 1984
Applicant:
Inventor:
Antonio Romero, Parkton, MD (US);
Assignee:
Saft America, Inc., Valdosta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 56 ; 429 53 ; 215253 ; 220367 ; 220207 ; 220266 ;
Abstract
In a preferably cylindrical sheet metal casing to be hermetically sealed and having a thinwall portion, the improvement in a vent for the casing which ruptures when internal casing pressure exceeds a given value, the vent including at least one vent-forming rib projecting outward from a circular end wall thereof, said rib having formed therein a vent-forming groove which extends transversely of the length of the rib only part way along the transverse contour thereof, so that the groove ends are spaced from the base of the rib preferably a distance at least equal to the end wall thickness.