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. 01, 2013

Filed:

Apr. 22, 2009
Applicants:

Keiichiro Kobayashi, Toyota, JP;

Akira Kiyama, Toyota, JP;

Kazuyuki Kusama, Nagoya, JP;

Inventors:

Keiichiro Kobayashi, Toyota, JP;

Akira Kiyama, Toyota, JP;

Kazuyuki Kusama, Nagoya, JP;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cylindrical battery is formed by sealing an electrode wound body in a cylindrical case and having an outer terminal member mounted to one end of the battery so as to axially penetrate through a gasket having a cylindrical portion and collar portions. A neck is formed at the inner surface of the case. A flange having an outer diameter greater than the inner diameter of the neck is formed on the outer terminal member. To mount the outer terminal member to the case, the gasket is mounted to the flange, liquid is charged from a through-hole with the flange held in a temporarily sealed state in which the flange is pressed into the case until being in contact with the neck, and an end portion of the case is bent to the inner surface side thereof to press the collar portion to the flange to complete sealing.


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