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:
Dec. 25, 2012
Filed:
Jul. 09, 2010
Shunsuke Yasui, Osaka, JP;
Toshiki Itoi, Nara, JP;
Daisuke Kishii, Osaka, JP;
Shinya Geshi, Osaka, JP;
Shunsuke Yasui, Osaka, JP;
Toshiki Itoi, Nara, JP;
Daisuke Kishii, Osaka, JP;
Shinya Geshi, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A battery () includes a battery case () having an opening sealed with a sealing plate (). The sealing plate () has a protrusion () extending in a direction toward the outside of the battery case (), and a ring-shaped insulator () is provided on an outer circumferential surface of the protrusion (). An inner circumferential portion () of the insulator () is in contact with the outer circumferential surface () of the protrusion (), and an outer circumferential portion () of the insulator () is extended to be positioned on an opening end () of the battery case ().