Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SECONDARY BATTERY POUCH PRESS MOLD
Document Type and Number:
WIPO Patent Application WO/2022/014743
Kind Code:
A1
Abstract:
A secondary battery pouch press mold comprises: a press upper mold; at least two over-forming punches arranged at the press upper mold to be vertically movable; a plurality of fixed-shaped punches arranged at the press upper mold to be vertically movable between the over-forming punch and the press upper mold; a press lower mold having an upper surface from which a bridge molding protrusion for molding a bridge to protrude from a pouch sheet protrudes; and a pouch sheet holder which is disposed on the press lower mold to be movable up or down and holds the pouch sheet together with the press upper mold, wherein the plurality of fixed-shaped punches include a center punch having a lower surface including a bridge molding groove recessed thereon, wherein a bridge is inserted in the bridge molding groove.

Inventors:
KIM JAEKUN (KR)
BAEK MANIN (KR)
YOO TAEHOON (KR)
SO HYUNWOO (KR)
RA JAEHYUN (KR)
Application Number:
PCT/KR2020/009348
Publication Date:
January 20, 2022
Filing Date:
July 15, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
B29C43/02; B29C43/32; B29C43/58; B29C53/06; H01M50/10; B29L31/00
Foreign References:
KR20190105765A2019-09-18
KR20180032043A2018-03-29
CN108963114A2018-12-07
JP2010156024A2010-07-15
KR20110024366A2011-03-09
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
Download PDF: