Title:
GAS CUTTING TIP
Document Type and Number:
Japanese Patent JP2021171773
Kind Code:
A
Abstract:
To provide a gas cutting tip of which durability of a cover is improved.SOLUTION: A first gas cutting tip is a non-water-cooled type gas cutting tip that is installed on a torch to which cutting oxygen, preheating oxygen and fuel gas are supplied independently. This gas cutting tip has: a nozzle body A in which a trunk 2 and a nozzle 1 are integrally configured, a cutting oxygen flow passage 3 is so formed as to penetrate the center of the body and the nozzle, a mixing part 6c for preheating oxygen and fuel gas is formed in the trunk, and a passage 4 for the mixed gas of preheating oxygen and fuel gas is formed at an end of the nozzle; and a cover B at a center of which a hole 14, in which the nozzle body is inserted to form a mixed gas flow passage between the cover itself and an outer peripheral surface of the nozzle of the nozzle body, is formed, and at one end of which a screw 13 coupled to the torch is formed. A heat capacity of the cover falls within a range of three to eight times a heat capacity of the nozzle body, or a volume of the cover falls within a range of three to eight times a volume of the nozzle body.SELECTED DRAWING: Figure 1
Inventors:
SASA HIROKI
KASHIMATA KAZUYA
KOJO AKIRA
KASHIMATA KAZUYA
KOJO AKIRA
Application Number:
JP2020075263A
Publication Date:
November 01, 2021
Filing Date:
April 21, 2020
Export Citation:
Assignee:
KOIKE SANSO KOGYO KK
International Classes:
B23K7/10
Attorney, Agent or Firm:
Nakagawa International Patent Office
Previous Patent: JPWO2021171772
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