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.
Patent No.:
Date of Patent:
Sep. 30, 1986
Filed:
Oct. 05, 1984
Applicant:
Inventors:
Katsuyoshi Hori, Kure, JP;
Takeshi Kagawa, Kure, JP;
Kazuki Kusano, Kure, JP;
Toshiaki Takuwa, Kure, JP;
Assignee:
Babcock-Hitachi Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21913021 ; 21913051 ; 21913771 ; 2191 / ;
Abstract
A hot-wire TIG welding apparatus capable of performing a stable welding regardless of change in the welding conditions. The welding apparatus comprises a hot-wire feed speed control means for controlling the speed of feed of a hot wire, and a heating power control means adapted to control the electric power for heating the hot wire. The condition of the control in either one of the control sections is changed in accordance with a change in the control condition of the other.