Window, Door And/Or Façade Construction And Method For Producing A Corner Joint Of A Window, Door And/Or Façade Construction

Abstract: A window, door and/or façade construction comprising a corner joint (50, 60, 70) having two metal profiles (1, 2) connected to one another by one or more welded joints (6, 7, 6' ,7', 10, 10', 11, 11', 33), wherein the welded joint or welded joints (6, 7, 6', 7', 10, 10', 11, 11', 31, 33) is designed as a laser-welded joint, and a method for producing a corner joint (50, 60, 70) of a window, door and/or façade construction, comprising the following steps of: a) providing two metal profiles (1, 2), preferably coated metal profiles, and positioning the two metal profiles (1, 2) at an angle to each other; and b) welding of both metal profiles (1, 2) using a laser welding device, in particular a fiber laser welding device, wherein the power of the laser welding device is set such that a welded joint (6, 7, 6', 7', 10, 10', 11, 11', 31, 33) is provided through a profile wall or along a welded joint (6, 7, 6', 7', 10, 10', 11, 11', 31, 33) welded through in a contact area (3) of two profile walls of the two metal profiles (1, 2). [Fig. 1]

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