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. 12, 2011
Filed:
Oct. 09, 2003
Applicants:
Mark A. Schubert, Brunswick, OH (US);
Jack W. Marple, Avon, OH (US);
Inventors:
Mark A. Schubert, Brunswick, OH (US);
Jack W. Marple, Avon, OH (US);
Assignee:
Eveready Battery Company, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/12 (2006.01); H01M 10/34 (2006.01); H01M 2/36 (2006.01); H01M 2/00 (2006.01); H01M 2/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrochemical battery cell with an aperture in the container or cell cover has the aperture sealed by an improved thermoplastic sealing member, which forms at least a part of the cell's pressure relief vent and is made from a material comprising a thermoplastic resin and more than 10 weight percent of a thermal-stabilizing filler, to provide an effective seal and a reliable pressure relief vent over a broad temperature range.