Machine for manufacturing sheet material, in particular paper or cardboard, and method for treating the surface of a conveyor belt in a machine for producing sheet material

摘要

Paper- or cardboard making machine has a unit (34) for roughening the surface (22, 24) of the web transport belts (18). An independent claim is included for a method for roughening the surface of web transport belts in paper- or cardboard making machines using the unit.