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Patent Searching and Data


Title:
LINKING-SEAT WELDING DEVICE AND LINKING-SEAT WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/019651
Kind Code:
A1
Abstract:
A linking-seat welding device 50 is a device for heat-welding an upper linking seat 1 to end sections of a plurality of cylindrical bodies 12a used in a positive electrode 10 and is provided with a mold 60. In a state in which the upper linking seat 1 is inserted in upper end sections of the plurality of cylindrical bodies 12a, the mold 60 heats the upper end sections while pressing the upper end sections. Abutting surfaces 61a, 62a abutting against the upper end sections of the plurality of cylindrical bodies 12a in the mold 60 have curved surfaces along external surfaces of the plurality of cylindrical bodies 12a.

Inventors:
UEDA HIROMASA (JP)
KITAMORI SHIGETAKA (JP)
OHNO SHUHEI (JP)
Application Number:
PCT/JP2019/029689
Publication Date:
February 04, 2021
Filing Date:
July 29, 2019
Export Citation:
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Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
H01M4/16; B29C65/02; H01M4/14; H01M4/76
Foreign References:
JPS63178445A1988-07-22
JPS63178444A1988-07-22
JPH04137363A1992-05-12
JPH04123759A1992-04-23
JPS6029364U1985-02-27
JPS62190659A1987-08-20
JP2009302007A2009-12-24
JP2005216689A2005-08-11
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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