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:
Mar. 03, 2020
Filed:
May. 24, 2013
Lg Chem, Ltd., Seoul, KR;
Ki Hong Min, Gwacheon-si, KR;
Sung Min Hwang, Cheongju-si, KR;
Jihoon Cho, Daejeon, KR;
Taeyoon Jung, Cheongwon-gun, KR;
Jeong Sam Son, Cheongju-si, KR;
Changmin Han, Cheongju-si, KR;
Jae Hoon You, Cheongju-si, KR;
Su Taek Jung, Cheongju-si, KR;
Hyeong Kim, Daegu, KR;
Hyun-sook Baik, Cheongju-si, KR;
Ki Hun Song, Hwaseong-si, KR;
Sang Hyuck Park, Suwon-si, KR;
Han Sung Lee, Incheon, KR;
Byeong Geun Kim, Anyang-si, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a device for notching, at an interval of a unit electrode, a continuous electrode sheet in which an electrode active material is applied to one or both surfaces thereof, to form a plurality of unit electrodes from the electrode sheet, the device including a press to press notches on the top and the bottom of the electrode sheet at a set position, and two or more grippers arranged at the rear of the press based on a feed direction of the electrode sheet, the grippers drawing and transporting the electrode sheet by one pitch, a size corresponding to the unit electrode according to operation of the press, wherein while one of the grippers draws and transports the electrode sheet, the remaining grippers move to a position for drawing.