Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
B21B19/12—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially parallel to the axis of the work
B21B19/14—Rolling tubes by means of additional rollers arranged inside the tubes
Drehbare, axial-druckaufnehmende Spannvorrichtung für eine Rundschweißmaschine zur Herstellung von Stabelementen mit kegelförmigen Endstücken unterschiedlicher Größe
Eirnichtung zum Vorschieben und Drehen des Walzgutes sowie zum Drehen des Walzdornesfuer Pilgerwalzwerke zum Reduzieren von Rohren und Stangen mit hin und her gehendem Walzgeruest