PROCESS AND MEANS FOR WELDING CORRUGATED TUBES AND/OR COMPOUND TUBES AND WELD CONNECTION PRODUCED THEREBY

摘要

In a process for the connecting of plastic tubes the wall of which has a corrugated cross section by electrothermal welding, it is proposed that filling cores of plastic be inserted in the corrugation troughs of the tubes to be connected on both sides of the place of connection in order to form a resting surface on the outer circumference of the tubes and that an electric heating mat which surrounds the resting surface of all filling cores is placed on said surface.