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. 03, 2013
Filed:
Sep. 06, 2010
Hiroki Fujiuchi, Tochigi, JP;
Shinya Ohyama, Tochigi, JP;
Toshiyuki Horimukai, Tochigi, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A plasma torchused in plasma-arc welding is provided with a rod-shaped electrode, a first cylindrical nozzlewhich is provided to surround the electrodeand which injects a plasma gas and a second cylindrical nozzlewhich is provided to surround the first nozzleand which injects a shielding gas. A second injection openingof the second nozzledirects in a substantially parallel direction with respect to an axial direction of the electrodeor in a direction being away from the electrode, and a plurality of groove portions inclining with respect to the axial direction of the electrodeare formed in an outer circumferential surface of the first nozzleor an inner circumferential surface of the second nozzle