Title:
WELDING METHOD, PLATE-SHAPED MEMBER, AND ELEVATOR EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2021/065067
Kind Code:
A1
Abstract:
This welding method for overlaying and welding a first member (10) and a second member (20) includes a holding step and a melting step. In the holding step, the first member (10), in which a groove (11) has been formed, and the second member (20) are held with the surface of the first member (10) in which the groove (11) has been formed in contact with the second member (20). In the melting step, a welding target region R of the first member (10) and the second member (20), defined along the groove (11), is melted. At least either one of the surface of the first member (10) in which the groove (11) has been formed, and the surface of the second member (20) that comes into contact with the first member (10), has a coating layer.
Inventors:
SATO YUKIO (JP)
KAWASAKI TOKUO (JP)
HIGO IKUMA (JP)
WATANABE MITSUHIKO (JP)
KAWASAKI TOKUO (JP)
HIGO IKUMA (JP)
WATANABE MITSUHIKO (JP)
Application Number:
PCT/JP2020/019053
Publication Date:
April 08, 2021
Filing Date:
May 13, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B23K26/322; B23K26/21; B66B11/02
Foreign References:
| JPH0679484A | 1994-03-22 | |||
| JP2007014979A | 2007-01-25 | |||
| JPH10216974A | 1998-08-18 | |||
| JP2016032421A | 2016-03-07 | |||
| JP2011025260A | 2011-02-10 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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