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Title:
NOTCHING MOLD
Document Type and Number:
WIPO Patent Application WO/2022/092739
Kind Code:
A1
Abstract:
The present invention relates to a notching mold in which an active material is applied to the surface of a current collector, and when an electrode substrate having an uncoated part to which the active material is not applied enters one end and the other end of a holding part to which the active material is applied, the uncoated part is notched, the notching mold being characterized by comprising: a main mold including an upper mold and a lower mold that are parallel to each other, wherein the upper and lower molds are slidable so as to approach or move away from each other; a first auxiliary mold which is disposed at a position in which the uncoated part of one end of the electrode substrate can be processed when the electrode substrate enters the main mold, and includes a first auxiliary upper mold coupled to the upper mold and a first auxiliary lower mold coupled to the lower mold; and a second auxiliary mold which is disposed at a position in which the uncoated part of the one end of the electrode substrate can be processed when the electrode substrate enters the main mold, and includes a second auxiliary upper mold coupled to the upper mold and a second auxiliary lower mold coupled to the lower mold.

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Inventors:
PARK SUNG CHUL (KR)
KIM SANG WOOK (KR)
PARK SIN YOUNG (KR)
PARK DONG HYEUK (KR)
Application Number:
PCT/KR2021/015046
Publication Date:
May 05, 2022
Filing Date:
October 25, 2021
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/04; B26F1/12; B26F1/44; H01M50/531
Foreign References:
KR20180014560A2018-02-09
KR20030086070A2003-11-07
KR20190136551A2019-12-10
KR20200099433A2020-08-24
KR20200071915A2020-06-22
Other References:
See also references of EP 4239702A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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