Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRODE SHEET CUTTING DEVICE AND CUTTING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/212112
Kind Code:
A1
Abstract:
An electrode sheet cutting device according to the present invention comprises: a conveying part which conveys an electrode sheet having a plurality of notching grooves formed on a side thereof through a measuring point to a cutting point, and when a notching groove located at the tip of the notching grooves formed in the electrode sheet passes through the cutting point, conveying is performed such that the notching groove located at the rear end of the notching groove located at the tip passes through the measuring point; a detection unit which is provided at the measuring point and detects the notching groove of the electrode sheet passing through the measuring point to generate a notching groove detection signal; and a cutting part which is provided at the cutting point and cuts the electrode sheet in which the notching groove passing through the cutting point is located according to the notching groove detection signal generated by the detection unit.

Inventors:
WI, Yoon Bong (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
PARK, Sin Young (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
PARK, Dong Hyeuk (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2018/014640
Publication Date:
November 07, 2019
Filing Date:
November 26, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
H01M4/04; B26D5/34; B26F1/12; H01M10/04
Foreign References:
KR20120060704A2012-06-12
KR20160001353A2016-01-06
KR101509208B12015-04-10
KR101479724B12015-01-08
KR100824808B12008-04-24
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (11th Floor, 343 Gangnam-daero,,Seocho-gu, Seoul, 06626, KR)
Download PDF: