Roller for setting plastic material film, comprises central layer, synthetic material, rigid material and conduit, which is placed in the synthetic material and parallel to roller axis for the circulation of pressurized conditioning fluid

摘要

The synthetic material (2) has a shore hardness of 40-60 and is constituted by juxtaposition of annular segments surrounding a rigid ring. The rigid material has a thickness of 0.1-1 mm. Independent claims are included for: (1) a process of setting the plastic material film; and (2) a process of graining of a film faces.