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:
Feb. 13, 2024
Filed:
Jan. 21, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Ik Soo Chae, Daejeon, KR;
Chang Bum Ahn, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/18 (2006.01); H01M 10/04 (2006.01); H01M 50/186 (2021.01); B29L 31/34 (2006.01);
U.S. Cl.
CPC ...
B29C 65/18 (2013.01); H01M 10/04 (2013.01); H01M 50/186 (2021.01); B29L 2031/3468 (2013.01);
Abstract
The present invention relates to a sealing device for a secondary battery. The sealing device is configured to seal a battery case accommodating an electrode assembly therein to manufacture the secondary battery, the sealing device including a sealing block configured to press a sealing portion of the battery case, a flatness adjusting part configured to adjust a flatness of a pressing surface of the sealing block, and a heater part configured to transfer heat to the sealing block to thermally fuse the sealing portion of the battery case when the sealing portion is pressed by the sealing block.