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:
Sep. 12, 2017

Filed:

Jun. 23, 2014
Applicant:

Gs Yuasa International Ltd., Kyoto-shi, JP;

Inventors:

Masakazu Tsutsumi, Kyoto, JP;

Hideki Matsushima, Wako, JP;

Yu Murai, Wako, JP;

Assignee:

GS YUASA INTERNATIONAL LTD., Kyoto-Shi, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/28 (2006.01); H01M 2/20 (2006.01); H01G 11/10 (2013.01); H01G 11/76 (2013.01);
U.S. Cl.
CPC ...
H01M 2/204 (2013.01); H01M 2/206 (2013.01); H01G 11/10 (2013.01); H01G 11/76 (2013.01); Y10T 29/49108 (2015.01);
Abstract

An electric storage apparatus including a welding structure between an electric storage device and a bus bar includes the electric storage device including an external terminal that includes a first connection surface, the bus bar including a second connection surface that overlaps the first connection surface, a first weld portion that is formed extending over the external terminal and the bus bar in a region where the first connection surface and the second connection surface are opposed to each other, and a second weld portion that is formed extending over the external terminal and the bus bar in the region where the first connection surface and the second connection surface are opposed to each other, the second weld portion directly overlapping the first weld portion in a region where the first connection surface and the second connection surface overlap each other.


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