POUCH FORMING APPARATUS FOR IMPROVED POUCH WRINKLES

Title:

POUCH FORMING APPARATUS FOR IMPROVED POUCH WRINKLES

Document Type and Number:

WIPO Patent Application WO/2022/250482

Kind Code:

A1

Abstract:

The present invention relates to a pouch forming apparatus capable of reducing or preventing wrinkles formed at a corner of a formed accommodation portion, and a pouch having improved wrinkles, the pouch being manufactured by the pouch forming apparatus. Specifically, the pouch forming apparatus comprises: a support portion having an upper surface on which a laminate sheet is arranged; a stripper which is positioned on the upper portion of the support portion to be movable up and down and presses and fixes, when descending, the outer circumference of the laminate sheet arranged on the upper surface of the support portion; and a punch which is positioned on the upper portion of the support portion to be movable up and down and forms, when descending, an electrode assembly accommodation portion in the laminated sheet while being inserted in a formation portion located at the center of the support portion, wherein the support portion includes an upper support and a support plate, and a core member having a certain thickness is located between the upper support and the support plate.

Inventors:

PARK SUNG CHUL (KR)
KIM SHIN CHUL (KR)
KANG TAE WON (KR)
KIM YONG NAM (KR)
KO BYUNG KWAN (KR)

Application Number:

PCT/KR2022/007518

Publication Date:

December 01, 2022

Filing Date:

May 26, 2022

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

B29C51/08; B29C51/14; B29C51/26; H01M50/105; H01M50/124; B29L31/00

Foreign References:

KR20170104252A	2017-09-15
JPH11309519A	1999-11-09
KR20060011428A	2006-02-03
KR20180116563A	2018-10-25
KR20180085471A	2018-07-27
KR20080081845A	2008-09-10
KR20210068631A	2021-06-09
KR102145494B1	2020-08-18
KR102176631B1	2020-11-09

Other References: