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.

Date of Patent:
Oct. 28, 2014

Filed:

Apr. 08, 2009
Applicants:

Masato Komatsuki, Hashima-gun, JP;

Hiroki Nagai, Nagoya, JP;

Yoichi Naruse, Nagoya, JP;

Hiroya Kondou, Toyohashi, JP;

Kaoru Yugahara, Toyota, JP;

Inventors:

Masato Komatsuki, Hashima-gun, JP;

Hiroki Nagai, Nagoya, JP;

Yoichi Naruse, Nagoya, JP;

Hiroya Kondou, Toyohashi, JP;

Kaoru Yugahara, Toyota, JP;

Assignee:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/36 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/362 (2013.01); H01M 10/0525 (2013.01); H01M 2/367 (2013.01); Y02E 60/12 (2013.01); Y02T 10/7011 (2013.01);
Abstract

A battery is equipped with a case () in which a fill opening (aperture) () is formed and a sealing cap (), which closes the fill opening () formed in the case (). The sealing cap () is formed of a thin plate that covers the fill opening () in the case (), the circumferential edge () of the sealing cap () is bonded to the case (), and the center () of the sealing cap () is bent from the circumferential edge () and bulges up toward the outside of the case (). In addition, a chamfer () is applied at the bent corner of the sealing cap ().


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