Method for mechanically preparing tubular metal sections with battues, for the purpose of assembling them to one another in the same plane, means employed and the sections obtained according to this method

摘要

The subject of the invention relates to the technical field of mechanically working sections and in particular to cutting them. According to the invention, in one same operation there are cut out, the battue(s) 1b or 2b at the end or ends of the section 1 or 2, as well as the lower wall of the central tube 1a or 2a constituting the section, this being over a depth corresponding substantially to the width of a battue. <IMAGE>