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:
Jul. 07, 2026
Filed:
Aug. 03, 2021
Applicant:
Kobe Steel, Ltd., Kobe, JP;
Inventor:
Hideki Ishitobi, Kobe, JP;
Assignee:
Kobe Steel, Ltd., Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/224 (2021.01); B60L 50/64 (2019.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/6556 (2014.01); H01M 50/231 (2021.01); H01M 50/249 (2021.01);
U.S. Cl.
CPC ...
H01M 50/224 (2021.01); B60L 50/64 (2019.02); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/6556 (2015.04); H01M 50/231 (2021.01); H01M 50/249 (2021.01); H01M 2220/20 (2013.01);
Abstract
A battery case for an electric vehicle includes a frame that has a polygonal frame shape in plan view, defines a through hole inside, and has R shapes provided on inner sides of corner parts of the polygonal frame shape. The case also includes a bathtub-shaped tray that includes a bottom wall located in the through hole, a surrounding wall that is provided around the bottom wall and defines an opening part on a side opposite to the bottom wall, and a flange that is provided at a distal end of the surrounding wall. The tray is pressure-welded to and integrated with the frame.