The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 28, 2022

Filed:

May. 10, 2018
Applicant:

Daihen Corporation, Osaka, JP;

Inventors:

Tetsushi Minamoto, Osaka, JP;

Yukiya Morita, Osaka, JP;

Yoshiaki Fukunaga, Osaka, JP;

Assignee:

DAIHEN Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/28 (2006.01);
U.S. Cl.
CPC ...
B23K 9/285 (2013.01);
Abstract

An aspect of the present disclosure provides a welding torch that includes a torch head and a torch body removably connected to the torch head. The torch head includes first and second torch-head flow paths for flowing cooling water, first and second inlets/outlets communicating with the first and second torch-head flow paths, respectively, and a movable part movable in an axial direction of the torch head. The torch body includes a torch-body flow path for flowing cooling water, and first and second connection ports communicating with opposite ends of the torch-body flow path, respectively. The first and second inlets/outlets communicate with the first and second connection ports, respectively, when the torch head and the torch body are connected to each other. The first and second inlets/outlets are closed with the movable part when the torch head and the torch body are separated.


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