Title:
WELDING DEVICE AND WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/087386
Kind Code:
A1
Abstract:
A welding device is characterized by being provided with: a welding unit (20) comprising a pair of electrode wheels (21A, 21B) disposed facing each other across workpieces to be welded; a mash-down unit (30) comprising a pair of pressing rollers (31A, 31B) disposed facing each other across the workpieces and used for mashing down the welded portion of the workpieces welded by the electrode wheels (21A, 21B); a cooling unit (40) for providing a cooling medium to the welded portion mashed down by the pressing rollers; a heating unit (50) for heating the welded portion cooled by the cooling unit (40); and a moving body (10) which supports the welding unit (20), the reducing unit (30), the cooling unit (40), and the heating unit (50) and moves reciprocally in the direction in which the workpieces are welded.
Inventors:
MITSUZUMI TATSUKI (JP)
MITSUOKA RYOSUKE (JP)
NAKAYA TAKAFUMI (JP)
WATANABE YUJIRO (JP)
TAGATA HIROTOSHI (JP)
KIMOTO RYUSUKE (JP)
MITSUOKA RYOSUKE (JP)
NAKAYA TAKAFUMI (JP)
WATANABE YUJIRO (JP)
TAGATA HIROTOSHI (JP)
KIMOTO RYUSUKE (JP)
Application Number:
PCT/JP2017/039911
Publication Date:
May 09, 2019
Filing Date:
November 06, 2017
Export Citation:
Assignee:
PRIMETALS TECH JAPAN LTD (JP)
International Classes:
B23K11/06; B23K11/36
Domestic Patent References:
| WO2012039060A1 | 2012-03-29 |
Foreign References:
| US5676862A | 1997-10-14 | |||
| JP2015136725A | 2015-07-30 | |||
| JPH0871762A | 1996-03-19 | |||
| JPH0569151A | 1993-03-23 |
Other References:
See also references of EP 3498412A4
Attorney, Agent or Firm:
OBA, Mitsuru et al. (JP)
Download PDF: