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:
Jan. 05, 2016
Filed:
Mar. 29, 2013
Panasonic Corporation, Osaka, JP;
Abstract
Provided is a small-sized cylindrical battery in which improvement in battery characteristics and improvement in long-term reliability and safety are both realized. The cylindrical battery includes: a bottomed cylindrical battery case, an electrode grouphoused together with an electrolyte in the battery case, a sealing memberfitted into an opening of the battery case, and a gasketinterposed between the sealing memberand the battery case. The opening of the battery caseis sealed by applying a drawing process to an opening end portion of the battery case. The battery caseis constituted of stainless steel. The battery casehas an outer diameter of 10 mm or less and a thickness of 0.05 mm or more and 0.2 mm or less.