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Title:
ELECTRODE SHEET NOTCHING APPARATUS AND NOTCHING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/172506
Kind Code:
A1
Abstract:
The present invention relates to an electrode sheet notching apparatus for processing an electrode tab by continuously notching a non-coated portion of an electrode sheet, comprising: a transfer unit provided on a bottom surface of the electrode sheet and including first and second transfer rollers for continuously transferring the electrode sheet at regular intervals; a jig unit provided on the bottom of the electrode sheet, located between the first and second transfer rollers, and supporting a bottom surface of the non-coated portion; and a notching unit provided on an upper portion of the electrode sheet and processing the electrode tab by notching the non-coated portion supported by the jig unit, wherein the jig unit comprises: a rotating member provided between the first and second transfer rollers and rotating in an orientation orthogonal to a transfer direction of the electrode sheet; and two or more jigs provided on the outer circumferential surface of the rotating member and supporting the non-coated portion located between the first and second transfer rollers when the rotating member is rotated.

Inventors:
KWAK, Dong Hoon (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
EOM, Hyun Kyu (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
SHIN, Yang Ho (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2018/014643
Publication Date:
September 12, 2019
Filing Date:
November 26, 2018
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
H01M4/04; B26D7/01; B26F1/12; B65H20/02; B65H35/00; H01M2/26
Domestic Patent References:
WO2017119011A12017-07-13
Foreign References:
KR20160109384A2016-09-21
KR20180004582A2018-01-12
KR20130095368A2013-08-28
KR20170048757A2017-05-10
KR20150089803A2015-08-05
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (11th Floor, 343 Gangnam-daero,,Seocho-gu, Seoul, 06626, KR)
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