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Patent Searching and Data


Title:
SLITTER
Document Type and Number:
WIPO Patent Application WO/2021/107378
Kind Code:
A1
Abstract:
A slitter according to an embodiment of the present invention to resolve a problem comprises: an upper blade which is positioned above an electrode plate and rotates to cut the electrode plate; and a lower blade which is positioned below the electrode plate so as to partially overlap with the upper blade and rotates to cut the electrode plate together with the upper blade, wherein the upper blade comprises: a first inner surface extending inclinedly from a tip formed at the lowermost end toward the lower blade; and an outer circumferential surface extending inclinedly from the tip toward the opposite side of the lower blade, wherein the first inner surface has an inclination at a first angle from a vertical line perpendicular to a rotation axis being the rotation center of the upper blade, and the outer circumferential surface has an inclination at a second angle from the vertical line.

Inventors:
YUN DUCK JOONG (KR)
SONG WONJUN (KR)
PAK MINSU (KR)
Application Number:
PCT/KR2020/013455
Publication Date:
June 03, 2021
Filing Date:
October 05, 2020
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B23D19/06; B21B15/00
Foreign References:
JP2014073564A2014-04-24
JP2015153538A2015-08-24
JP2002273689A2002-09-25
KR101754443B12017-07-05
EP0654328A11995-05-24
JP2006007404A2006-01-12
Other References:
See also references of EP 3907031A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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