Patent ID: 6299728
Filing Date: 2001-10-09
Classification: D21F,D21H

Abstract:
A method of manufacturing a multi-ply paper, said method comprising the sequential steps of:producing a single fiber material layer consisting essentially of wastepaper with a headbox and one of a former and a fourdrinier wire, said one of a former and a fourdrinier wire being disposed after said headbox relative to a direction of travel of said fiber material layer;drying the fiber material layer with at least one press section and a dryer section, said dryer section being disposed after said at least one press section relative to the direction of travel of the fiber material layer;providing a non-bleached top coating directly on said fiber material layer with at least one coater, said top coating being a non-fibrous coating consisting essentially of one of whitening and color, whereby said top coating replaces one fiber material layer of said multi-ply paper; andsmoothing said top-coated fiber material layer using a single-nip smoothing device having a hard nip.