Title:
DEVICE FOR FOLDING POUCH FOR SECONDARY BATTERY AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/163523
Kind Code:
A1
Abstract:
The present invention relates to a device for folding a pouch for a secondary battery and a secondary battery. A device for folding a pouch for a secondary battery according to the present invention is a device for folding a pouch for a secondary battery, which folds a pouch including a body in which an electrode assembly is received, and a sealing part formed along the edge of the body, and comprises: a side folding part for side-folding the sealing part of the pouch in a direction toward the body; and a corner folding part including a corner folding roller for pressing a corner portion of the side-folded sealing part to corner-fold the corner portion in a direction toward the body, wherein the corner folding roller includes a flat surface and an inclined surface formed on a pressing surface, and at a time of pressing, the inclined surface of the corner folding roller is positioned closer to the body than the flat surface.
Inventors:
HAN MYOUNG HUN (KR)
KIM JUN YOUNG (KR)
CHANG WON SEOK (KR)
KIM NAM GEOL (KR)
KIM JUN YOUNG (KR)
CHANG WON SEOK (KR)
KIM NAM GEOL (KR)
Application Number:
PCT/KR2023/002600
Publication Date:
August 31, 2023
Filing Date:
February 23, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B29C65/00; B29C65/78; H01M50/105; B29L31/00
Domestic Patent References:
| WO2015046709A1 | 2015-04-02 |
Foreign References:
| CN206490136U | 2017-09-12 | |||
| KR102344914B1 | 2021-12-29 | |||
| JP2002190284A | 2002-07-05 | |||
| KR20170053011A | 2017-05-15 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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