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:
Sep. 30, 2025
Filed:
Jul. 20, 2022
Sungwoo Hitech Co., Ltd., Busan, KR;
Sung Man Sohn, Yangsan-si, KR;
Youngrock Song, Busan, KR;
SUNGWOO HITECH CO., LTD., Busan, KR;
Abstract
Disclosed is a core for assembling a cross member of a battery case. A core for assembling a cross member of a battery case is insertable into a closed section in a longitudinal direction of the cross member to laser-weld at least one part to be assembled to the cross member of the battery case with the closed section. The core may include: a first core block made of steel, which includes a first slip surface formed at one side in a width direction to be inclined in a direction toward the other side; a second core block made of the steel, which includes a second slip surface formed to be inclined at the one side in the width direction to slip on the corresponding first slip surface in an upper and lower direction; a plurality of first magnet members installed on one surface of the first core block; and a plurality of second magnet members installed on one surface of the second core block facing the one surface of the first core block.