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:
Oct. 01, 2013
Filed:
May. 25, 2009
Manfred Ruehrnoessl, Linz, AT;
Harald Noebauer, Piberbach, AT;
Markus Steinmaurer, Kremsmuenster, AT;
Manfred Ruehrnoessl, Linz, AT;
Harald Noebauer, Piberbach, AT;
Markus Steinmaurer, Kremsmuenster, AT;
FRONIUS International GmbH, Pettenbach, AT;
Abstract
The invention relates to a contact tube () for a welding torch (), having a longitudinal axis () along which a through-opening () for guiding a welding wire () from an inlet region () to an outlet region () and from an outlet opening () towards a workpiece () is provided, wherein at least one slot () is provided in the outlet region () for making contact with the welding wire (). A contact tube () with improved contacting of the welding wire () is obtained by providing at least one further slot () in the inlet region () of the contact tube (), wherein the slot () in the inlet region () is arranged in line with the slot () in the outlet region (), and a web (), which serves as a pivot point, is formed between the slot () in the outlet region () and the at least one slot () in the inlet region ().