Apparatus for production of film tape, comprises a film extruder, a cutter and a stretching section with an oven in which the upper and lower walls of the heating channel have a non-stick lining to prevent adhesion of film

摘要

Apparatus for producing film tape, with a film extruder (1), a cutter (7) and a stretching system (10) comprising an oven (12) with a heating channel (21) forming a section through which the tape is passed to be heated without touching the walls of the duct (22, 23), in which the surface of the lower wall (22) has a non-stick lining (31.1) to prevent film material sticking to the wall. An independent claim is also included for an oven system (12) as described above.