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:
Jun. 09, 1987
Filed:
Feb. 11, 1986
Applicant:
Inventors:
Hirokazu Nomura, Tsu, JP;
Yukihiko Sato, Tsu, JP;
Eiji Morishige, Hisai, JP;
Yasuhiko Nishi, Hisai, JP;
Mizuho Higurashi, Tokyo, JP;
Saburo Mori, Yokohama, JP;
Assignees:
Nippon Kokan Kabushiki Kaisha, Tokyo, JP;
Nippon Kokan Koji Kabushiki Kaisha, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191251 ; 219 74 ;
Abstract
A gas-shielded arc welding apparatus automatically welds materials to be welded, such as rails or shape steel. The apparatus includes a gas-shielded chamber and a pair of side backing plates arranged within the chamber whereby the whole weld zone of the materials is gas shielded and a welding nozzle and shielding gas outlets are separated from each other. The apparatus also includes a welding apparatus proper and a control unit thereby performing the welding in a fully automatic manner.