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Title:
POLE PIECE BURR REPAIRING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/071949
Kind Code:
A1
Abstract:
A pole piece burr repairing device, comprising several shaping rollers (20), wherein shaping surfaces (221) are formed on outer surfaces of the shaping rollers (20), and the included angles between the several shaping surfaces (221) and surfaces of pole pieces (10) are sequentially reduced in a conveying direction of the pole pieces (10). By means of the pole piece burr repairing device, the angles between burrs and the pole pieces are gradually reduced until the burrs are flattened, thus end face burrs are finally converted into plane burrs, and the safety risk of a battery is reduced.

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Inventors:
LI HAO (CN)
LI XIAOWEI (CN)
PEI ZHENXING (CN)
SONG YINGJUN (CN)
Application Number:
PCT/CN2022/126819
Publication Date:
May 04, 2023
Filing Date:
October 21, 2022
Export Citation:
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Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
B21D19/04; H01M4/04
Foreign References:
CN216706970U2022-06-10
CN207325686U2018-05-08
CN201838656U2011-05-18
JP2006021310A2006-01-26
CN203553272U2014-04-16
CN2743056Y2005-11-30
CN102350454A2012-02-15
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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