LEVELING DEVICE FOR PREVENTING CURLING OF POUCH-TYPE SECONDARY BATTERY

Title:

LEVELING DEVICE FOR PREVENTING CURLING OF POUCH-TYPE SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/2018/174423

Kind Code:

A1

Abstract:

The present invention provides a leveling device used in a cutting process after the formation of a pouch-type secondary battery, the leveling device comprising: a roller assembly having pairs of upper and lower rollers arranged in at least two rows to be able to roll while being in contact with the upper and the lower surface adjacent to both edge ends of the pouch-type secondary battery for which a pouch forming process has been completed; and a support frame supporting the roller assembly, wherein the roller assembly removes stress by performing a rolling operation with respect to the upper and the lower surface adjacent to both edge ends of the pouch-type secondary battery.

Inventors:

KIM HYUN-TAE (KR)
SHIN BYUNG-HEON (KR)
LEE WOO-YONG (KR)

Application Number:

PCT/KR2018/002479

Publication Date:

September 27, 2018

Filing Date:

February 28, 2018

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

B32B38/00; B32B43/00; H01M50/105; H01M50/126

Foreign References:

US6656232B1	2003-12-02
KR20130106548A	2013-09-30
KR20140147372A	2014-12-30
US9287566B1	2016-03-15
US3890160A	1975-06-17

Other References: