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. 25, 2013
Filed:
May. 09, 2005
Gerhard Miessbacher, Weisskirchen, AT;
Manfred Rührnössl, Linz, AT;
Gerhard Miessbacher, Weisskirchen, AT;
Manfred Rührnössl, Linz, AT;
Fronius International GmbH, Pettenbach, AT;
Abstract
The invention relates to a method for welding coated sheet metal (), which comprises at least one laser () and at least one shielded arc unit () and a rod feeding device () for a welding rod (). The aim of the invention is to provide a method or a device of the aforementioned kind which allows fo˜ reducing or completely avoiding inclusions such as are e.g. caused by the evaporation of the coating of the metal sheet (). For this purpose, a clamping device () is used for positioning the coated metal sheet () without substantial gaps between the individual sheets. A material having a zinc and/or carbon and/or aluminum content is used as the weld metal or welding rod ().