Patent ID: 6577489
Filing Date: 2003-06-10
Classification: B65H

Abstract:
A device for the electrostatic charging of a multi-layered paper web comprising:at least a first pair of cooperating rollers, said pair of cooperating rollers defining a passage for said multi-layered paper web and pressing said multi-layered paper web together during passage of said multi-layered paper web between said at least first pair of cooperating rollers; means for applying a first electrical charge to a first one of said pair of cooperating rollers and a second electrical charge, opposite from said first electrical charge to a second one of said pair of cooperating rollers, said pair of cooperating rollers applying an electrostatic charge to said multi-layered paper web during passage of said multi-layer paper web between said pair of cooperating rollers, said electrostatic charge adhering layers of said multi-layer paper web together; and means to separately drive each of said rollers in said pair of cooperating rollers.