Anordning för framställning av tunnväggiga metallrör

摘要

PURPOSE: To provide an apparatus for producing a thin metallic tube formed by seam welding of a tubular body, more particularly a corrugated metallic tube. CONSTITUTION: A bending and measuring beam 28 formed by a line notch 26 is disposed within one guide rail 24. Force recording sections 32 and 32a abut on the surface on the side opposite to a stationary jaw 21 of this bending and measuring beam or elongation measuring strips which are respectively coupled to one evaluation apparatus are fixed thereto.