A process for the preparation of a double rail as well as double rail

摘要

The present invention relates to a process for the production of a double rail with at least two rails, namely a first rail and a second rail, wherein each rail has two flanks, which define between them a slot opening, through which an engaging mounting element can be introduced into the rail. The double rail is made of two in each case over the entire length of the double rail extending profiles, in each case produced from a profiled, strip-shaped metal sheet, composed. According to the invention, from the sheet metal before, during or after the manufacture from each other in the longitudinal direction of the subsequent double rail bent out of fastening sections which are spaced apart, whereby the two profiles are connected with one another, in which the fastening sections of a first profile on the fastening sections of a second profile are fastened. The present invention furthermore constitutes a double rail, prepared according to the method according to the invention, ready.