Title:
WELDING TORCH
Document Type and Number:
WIPO Patent Application WO/2023/127626
Kind Code:
A1
Abstract:
This welding torch comprises: an electrode extending in an axial direction; a first member disposed outside of the electrode; an inner-side nozzle disposed outside of the electrode; an engaging member that is externally fitted over the first member and the inner-side nozzle, the engaging member engaging with both of the first member and the inner-side nozzle; an outer-side nozzle disposed outside of the inner-side nozzle; and a centering member disposed outside of the electrode and inside of the inner-side nozzle. The centering member is externally fitted in a concentric manner to the electrode, and the inner nozzle is externally fitted in a concentric manner to the centering member. A first gas flow path for channeling a first inert gas is formed between the electrode and the inner-side nozzle. A second gas flow path for channeling a second inert gas is formed between the inner-side nozzle and the outer-side nozzle.
Inventors:
TAKATA CHIKARA (JP)
Application Number:
PCT/JP2022/047037
Publication Date:
July 06, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
DAIHEN CORP (JP)
International Classes:
B23K10/00; B23K10/02
Foreign References:
| JPS6380968A | 1988-04-11 | |||
| JP3285174B2 | 2002-05-27 | |||
| US3865173A | 1975-02-11 | |||
| JPH07106458B2 | 1995-11-15 | |||
| JP2804378B2 | 1998-09-24 |
Attorney, Agent or Firm:
USUI Takashi et al. (JP)
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