METHOD FOR SETTING THE SIZES OF BLOWN FILM TUBES AS WELL AS A BLOWN FILM SYSTEM WITH A CONTROL DEVICE FOR CARRYING OUT THE METHOD

• Main Authors: KRAUSE, Ulrich, KULGEMEYER, Tobias
• Format: Patent
• Language: English; French; German
• Published: 30.05.2018
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A method for setting the sizes of film tubes extruded by blown film plants includes changing the film tube size from an initial size to a final size, and optimizing the location of a frost area during the size change by setting the output of a cooling fan. Physical parameters of the initial and fina...