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:
May. 20, 2025
Filed:
Sep. 05, 2022
Calb Co., Ltd., Jiangsu, CN;
Hao Zhao, Changzhou, CN;
Jiuling Xu, Changzhou, CN;
Yongjie Zhang, Luoyang, CN;
Lulu Zhang, Changzhou, CN;
CALB Co., Ltd., Jiangsu, CN;
Abstract
A battery includes a battery casing and an explosion-proof valve. The battery casing includes a first casing member and a second casing member, and the first casing member and the second casing member are welded to form a welded connection region between the first casing member and the second casing member. The welded connection region includes a first region, a second region, and a corner region, and two ends of the corner region are respectively connected to the first region and the second region. The explosion-proof valve is disposed at a corner position of a surface of the first casing member and adjacent to the welded connection region.