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Patent Searching and Data


Title:
MANUFACTURING METHOD AND MANUFACTURING DEVICE FOR LINK COMPONENT
Document Type and Number:
WIPO Patent Application WO/2020/213354
Kind Code:
A1
Abstract:
This method for manufacturing a link component, which has one end section having a connection hole and provided on one side in one direction and the other end section provided on the other side in the one direction, from a long intermediate component that extends in one direction and has a first side wall and a second side wall, which have prepared holes in at least one end sections thereof and are disposed facing each other, and a connection wall connecting one side edge of the first side wall and one side edge of the second side wall, the method comprising: a reinforcing step for inserting a core metal into the prepared holes; and an O-bending step which is performed after the reinforcing step, and in which the first side wall and the second side wall are circularly bent so that the other side edge of the first side wall and the other side edge of the second side wall abut each other.

Inventors:
SATO MASAHIKO (JP)
MIZUMURA MASAAKI (JP)
Application Number:
PCT/JP2020/013186
Publication Date:
October 22, 2020
Filing Date:
March 25, 2020
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B21D5/01; B21D19/08; B21D28/00; B21D53/88; B60G7/00
Domestic Patent References:
WO2015145701A12015-10-01
Foreign References:
JP2010126095A2010-06-10
US9233587B22016-01-12
US9193237B22015-11-24
JP2019077157A2019-05-23
JP2010126095A2010-06-10
Other References:
See also references of EP 3957411A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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