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:
Mar. 08, 2016
Filed:
Jun. 18, 2012
Yoshihito Nishimura, Tokyo, JP;
Kazuyuki Kobayashi, Tokyo, JP;
Tooru Iijima, Tokyo, JP;
Kazuo Masumoto, Tokyo, JP;
Yoshihito Nishimura, Tokyo, JP;
Kazuyuki Kobayashi, Tokyo, JP;
Tooru Iijima, Tokyo, JP;
Kazuo Masumoto, Tokyo, JP;
IHI CORPORATION, , JP;
Abstract
In a multi-electrode welding torch, electrodes () are configured into a shape that has an arc-shaped curved surface area (R) in at least a portion of a cross-section thereof that is orthogonal to the longitudinal direction thereof. Collets () are each provided with a groove portion () in which an electrode () is fitted, and whose inner wall surfaces () come into contact in a plurality of locations with the curved surface area (R) when viewed in the longitudinal direction of the electrode ().