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:
Aug. 16, 2022

Filed:

Aug. 09, 2018
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jung-Hoon Lee, Daejeon, KR;

Dal-Mo Kang, Daejeon, KR;

Sang-Woo Ryu, Daejeon, KR;

Jeong-O Mun, Daejeon, KR;

Jin-Yong Park, Daejeon, KR;

Ho-June Chi, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 37/04 (2006.01); B23K 26/21 (2014.01); B23K 26/60 (2014.01); H01M 50/531 (2021.01);
U.S. Cl.
CPC ...
B23K 37/04 (2013.01); B23K 26/21 (2015.10); B23K 26/60 (2015.10); H01M 50/531 (2021.01);
Abstract

A laser welding jig includes a jig body configured to cover the bus bar unit during welding. A plurality of welding slits are formed at the jig body so that electrode leads and at least one lead bus bar are exposed out of the jig body for the welding. A plurality of bolt insert portions are provided between plurality of welding slits. The welding jig also includes at least one bolt insert hole into which at least one pressing bolt is inserted, and a pair of lead adhering blocks provided at a rear surface of each of the bolt insert portions and configured to be spaced from each other as the pressing bolt is inserted so that the electrode leads are adhered to the lead bus bar.


Find Patent Forward Citations

Loading…