Method and apparatus for manufacturing a corrugated pipe

摘要

The corrugator exhibits a circulating form cheeks (10) combined together with a corrugating form and channel form (32) of the pipe. A cooling medium is arranged on the outside circumference of the plastic tube in the area of the corrugating form and channel form and is supplied over a gap between cheek adjoining axially to the channel and taken away over the gap. An independent claim is included for a plastic structure direction device.