Title:
WELDED TUBE MANUFACTURING DEVICE AND WELDED TUBE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/092461
Kind Code:
A1
Abstract:
Provided is a welded tube manufacturing device that, in order to manufacture a high quality welded tube, manufactures a welded tube by bending a metal plate and welding together the edges of the metal plate that are made to abut each other, wherein the welded tube manufacturing device comprises: a bending means that bends the metal plate; a light emission means that projects directional light onto the inner surface of the metal plate that was bent by the bending means; an imaging means that images reflected-light produced by reflecting the light projected by the light emission means onto the surface of the metal plate; and an adjustment assistance means that assists adjustment of the bending means according to the shape of the reflected light.
Inventors:
YIN JILONG (JP)
NAKANO TOMOYASU (JP)
WANG FEIZHOU (JP)
SATO TAKEYUKI (JP)
NAKANO TOMOYASU (JP)
WANG FEIZHOU (JP)
SATO TAKEYUKI (JP)
Application Number:
PCT/JP2017/036450
Publication Date:
May 24, 2018
Filing Date:
October 06, 2017
Export Citation:
Assignee:
NAKATA MFG CO LTD (JP)
International Classes:
B21C37/08; B21C51/00; B23K37/053; G01B11/24
Domestic Patent References:
| WO2013145307A1 | 2013-10-03 |
Foreign References:
| JP2005199293A | 2005-07-28 | |||
| JP2008175577A | 2008-07-31 | |||
| JPH08193960A | 1996-07-30 | |||
| JP2011000642A | 2011-01-06 | |||
| JP2005199293A | 2005-07-28 |
Other References:
See also references of EP 3542916A4
Attorney, Agent or Firm:
KATO Takashi et al. (JP)
Download PDF: