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. 13, 2016
Filed:
Aug. 06, 2013
Lg Chem, Ltd., Seoul, KR;
Jae Cheol Jeong, Incheon, KR;
Hak Kyun Kim, Cheongju-si, KR;
Dong-Myung Kim, Daejeon, KR;
Sunhwan Kim, Suwon-si, KR;
Chang Sin Yeo, Cheongwon-gun, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Disclosed herein is a mandrel configured to be used in a winding process for manufacturing a jelly roll type electrode assembly using a long sheet type stack of a cathode/separator/anode structure, wherein the mandrel is oval in a section perpendicular to a rotational central axis of the mandrel and is divided into a first mandrel part located at one side of a central region of the mandrel, in which an end of the sheet type stack is fixedly fitted, and a second mandrel part located at the other side of the central region of the mandrel, and the first mandrel part and the second mandrel part each include a main body part having a region in which the sheet type stack is fitted in an engaged state and an exchange part, detachably mounted to the main body part, having an end of a major axis of the mandrel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile