METHOD FOR MANUFACTURING WELDED JOINT, WELDED JOINT, TEMPERING DEVICE, AND WELDING DEVICE

Title:

METHOD FOR MANUFACTURING WELDED JOINT, WELDED JOINT, TEMPERING DEVICE, AND WELDING DEVICE

Document Type and Number:

WIPO Patent Application WO/2020/184728

Kind Code:

A1

Abstract:

This method for manufacturing a welded joint comprises: placing a first electrode on a first steel plate at an A section, which is a section of the welded joint located outside a nugget in a plate surface direction in a plane parallel to the first steel plate; placing a second electrode on a second steel plate at a B section, which is a section of the welded joint located outside the nugget in the plate surface direction in a plane parallel to the first steel plate and which is positioned on the opposite side of the nugget from the A section; and causing an electric current to flow to the welded joint between the first electrode and the second electrode.

Inventors:

OKADA TOHRU (JP)
FUJIMOTO HIROKI (JP)
YASUYAMA MASANORI (JP)
NAKAZAWA YOSHIAKI (JP)

Application Number:

PCT/JP2020/011563

Publication Date:

September 17, 2020

Filing Date:

March 16, 2020

Export Citation:

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Assignee:

NIPPON STEEL CORP (JP)

International Classes:

B23K11/11; B23K11/36

Domestic Patent References:

WO2010038779A1

2010-04-08

Foreign References:

JPS60141378A	1985-07-26
JP2017131916A	2017-08-03
JPS5714537B2	1982-03-25
JP2019047020A	2019-03-22

Other References: