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:
Jun. 08, 2021
Filed:
Nov. 28, 2017
Lg Chem, Ltd., Seoul, KR;
Tae Hyun Kwon, Daejeon, KR;
Hae Jin Lim, Daejeon, KR;
Hyeon Soo Sim, Daejeon, KR;
Ha Young Heo, Daejeon, KR;
Joo Hwan Sung, Daejeon, KR;
Hyoung Kwon Kim, Daejeon, KR;
Duk Hyun Ryu, Daejeon, KR;
Abstract
The present disclosure provides a cylinder type battery cell manufacturing apparatus which is an apparatus configured to form a crimping portion on a cap assembly coupling portion of a cylinder type battery cell, the manufacturing apparatus including: a primary crimping mold configured to apply a primary pressure so that an open upper end portion of a cylinder type metal can forms an inclination inclined to a central axis of the metal can on a vertical section in a state in which a cap assembly is coupled to the open upper portion of the cylinder type metal can; and a secondary crimping mold configured to apply a secondary pressure to the open upper end portion in which the inclination is formed so that a flat section parallel to a lower surface of the metal can is formed in the crimping portion.