PROCESS FOR THE MANUFACTURE OF A CYLINDRICAL PIPE

摘要

A process is disclosed for the manufacture of a substantially cylindrical pipe at a workshop on site for use in a hole or tube, in which a flat metal stock, coiled on a reel, is unreeled, the unreeled flat metal stock is formed to a substantially round pipe shape with a seam which runs parallel to the axis of the pipe, the seam is closed and bonded, and the produced substantially cylindrical pipe is run into the hole or tube.