New molds of types UC 250 and UC 315
Discharge in the Tunnel
Ever higher demands are made on drainage pipes for underground drainage in road construction and civil engineering. One reason for this are the change in weather conditions with extreme rainfall. In order to meet the growing demand for tunnel-shaped plastic drainage pipes, Unicor GmbH, Hassfurt, Germany, has developed new molds for its production facilities (corrugators) of types UC 250 and UC 315. The smooth pipe bottom of the tunnel-shaped drainage pipe guarantees a faster discharge of the water masses than single-wall pipes with circular corrugated profile.
The output is increased by means of a perforation process, in the case of tunnel pipes with an outside diameter of 114.3 mm (ND 100) to as much as 11 m per minute. This should enable the normal production speed to date to be doubled. At constant speed, couplings can also be produced on the same line (in-line), thus eliminating a separate production step. The first machines of this generation are in operation in Southern Europe.
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