Title:
WELDING TORCH AND WELDING TORCH COOLING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/230209
Kind Code:
A1
Abstract:
According to an aspect of the present disclosure, a welding torch is provided. The welding torch comprises a torch head and a torch body detachably connected to the torch head. The torch head includes first and second torch head-side flow passageways for flowing cooling water, first and second exit/entries respectively communicating with the first and second torch head-side flow passageways, and a movable portion moveable in an axial direction of the torch head. The torch body includes a torch body-side flow passageway for flowing the cooling water, and first and second connection openings respectively communicating with both ends of the torch body-side flow passageway. When the torch head and the torch body are connected, the first and second exit/entries and the first and second connection openings respectively communicate with each other. When the torch head and the torch body are separated, the first and second exit/entries are closed by the movable portion.
More Like This:
| JPS6431578 | ARC WELDING METHOD |
Inventors:
MINAMOTO TETSUSHI (JP)
MORITA YUKIYA (JP)
FUKUNAGA YOSHIAKI (JP)
MORITA YUKIYA (JP)
FUKUNAGA YOSHIAKI (JP)
Application Number:
PCT/JP2018/018162
Publication Date:
December 20, 2018
Filing Date:
May 10, 2018
Export Citation:
Assignee:
DAIHEN CORP (JP)
International Classes:
B23K9/29; B23K9/32
Foreign References:
| JPS5768279A | 1982-04-26 | |||
| JP2000135565A | 2000-05-16 | |||
| JP2009269049A | 2009-11-19 | |||
| US4582979A | 1986-04-15 |
Other References:
See also references of EP 3639960A4
Attorney, Agent or Firm:
YOSHIDA Minoru et al. (JP)
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