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. 08, 2025
Filed:
Oct. 19, 2022
Applicant:
Alutec Co., Ltd, Nonsan-si, KR;
Inventors:
Assignee:
ALUTEC CO., LTD, Nonsan-si, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/249 (2021.01); B21C 35/02 (2006.01); H01M 50/209 (2021.01); H01M 50/224 (2021.01); H01M 50/564 (2021.01);
U.S. Cl.
CPC ...
H01M 50/249 (2021.01); B21C 35/023 (2013.01); H01M 50/209 (2021.01); H01M 50/224 (2021.01); H01M 50/564 (2021.01); H01M 2220/20 (2013.01);
Abstract
A tubular structure for a rectangular battery can for an electric vehicle, which is thin and has very high dimensional accuracy in order to contain as much electrolyte as possible within a limited size, and a method of manufacturing the same are disclosed. In particular, extrusion of a material to a predetermined thickness is performed, and drawing of the extruded material to a thickness desired by a final product is performed. Accordingly, desired thickness uniformity of the final product is maintained.