POUCH FORMING METHOD - LG ENERGY SOLUTION LTD

Title:

POUCH FORMING METHOD

Document Type and Number:

WIPO Patent Application WO/2022/186639

Kind Code:

A1

Abstract:

The present invention relates to a pouch forming method, and the pouch forming method according to the present invention comprises: a curling step of bending a pouch sheet into a round shape; a seating step of seating the bent pouch sheet in a lower die having a forming groove formed therein; and a forming step of pressing the pouch sheet by means of a punch die to form an accommodation portion in the pouch sheet, the accommodation portion serving to accommodate an electrode assembly.

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Inventors:

SEOL DONG GYUN (KR)
CHOI YONG SU (KR)
KWON SUNG RYUL (KR)
KANG GI BEOM (KR)

Application Number:

PCT/KR2022/003040

Publication Date:

September 09, 2022

Filing Date:

March 03, 2022

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M50/105; B32B15/08; B32B15/20; H01M50/129

Foreign References:

KR20180092174A	2018-08-17
JP2006321220A	2006-11-30
JP2015051525A	2015-03-19
KR20200000966A	2020-01-06
JP2002050326A	2002-02-15

Attorney, Agent or Firm:

BAE, KIM & LEE IP (KR)

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