Title:
POWDER CUTTING METHOD, POWDER SUPPLY NOZZLE, AND POWDER CUTTING NOZZLE
Document Type and Number:
WIPO Patent Application WO/2023/190823
Kind Code:
A1
Abstract:
Provided is a piercing method which is for performing piercing, by using a gas cutting torch, with respect to a cutting workpiece composed of general mild steel, the method having: a step for ejecting cutting oxygen and preheating gas from the gas cutting torch; and a step for supplying powder toward a preheating flame gas flow composed of the cutting oxygen and preheating gas which have been ejected from the gas cutting torch, wherein the powder is supplied in the direction along the preheating flame gas flow.
Inventors:
SUZUOKI MUNEO (JP)
TAKEDA TAKASHI (JP)
KATO TAKASHI (JP)
TAKEDA TAKASHI (JP)
KATO TAKASHI (JP)
Application Number:
PCT/JP2023/013076
Publication Date:
October 05, 2023
Filing Date:
March 30, 2023
Export Citation:
Assignee:
NISSAN TANAKA CORP (JP)
International Classes:
B23K7/00; B23K7/08; B23K7/10
Foreign References:
| JP2000141030A | 2000-05-23 | |||
| JPS5478731U | 1979-06-04 | |||
| JPS4841957A | 1973-06-19 | |||
| JP2021146396A | 2021-09-27 | |||
| JP2008274347A | 2008-11-13 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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