VORRICHTUNG ZUM STRANGPRESSEN VON ROHREN AUS THERMOPLASTISCHEM KUNSTSTOFF

摘要

An apparatus for the extrusion of tubular bodies of synthetic-resin material and especially large-diameter pipes, in which the die for forming the tube is connected to an extrusion press and includes an outer member and an inner member between which the material is forced. On the outer member there is provided a calibrating sleeve and the die carries a radioactive thickness-measuring means.