Title:
APPARATUS AND METHOD FOR FORMING POUCH FILM FOR SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/080255
Kind Code:
A1
Abstract:
The present invention relates to an apparatus and a method for forming a pouch film, the apparatus including a preheating lamp for preheating up to a metal barrier layer, and thereby increasing the stretch ability of the pouch film.
Inventors:
HONG JEONG WOO (KR)
KIM SANG WOOK (KR)
PARK SUNG CHUL (KR)
PARK DONG HYEUK (KR)
KIM SANG WOOK (KR)
PARK SUNG CHUL (KR)
PARK DONG HYEUK (KR)
Application Number:
PCT/KR2020/014161
Publication Date:
April 29, 2021
Filing Date:
October 16, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B29C59/02; B29C59/00; B29C65/00; B29C65/02; B29C65/14; B29C65/70; H01M50/10; B29L31/00
Foreign References:
| KR20180092174A | 2018-08-17 | |||
| KR101984889B1 | 2019-05-31 | |||
| KR20150089556A | 2015-08-05 | |||
| KR20060081371A | 2006-07-12 | |||
| KR101795711B1 | 2017-11-08 | |||
| KR20190131104A | 2019-11-25 | |||
| KR20180060697A | 2018-06-07 | |||
| KR101587554B1 | 2016-01-25 |
Attorney, Agent or Firm:
MYUNGRYUN IP & LAW FIRM (KR)
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