Press-drying a cellulosic web

Details Press-drying a cellulosic web Press-drying a cellulosic web

F - Mech Eng,Light,Heat,Weapons

26

B

34/26, 92/21.2

F26B 13/04 (2006.01) D21F 3/02 (2006.01) D21F 11/00 (2006.01)

Patent

CA 1148735

Abstract A sheet of paper or paperboard is made by wet-forming a web of cellulosic fibrous material, increasing the solids content of the web to 40-70% by weight, and passing the resulting web through a plurality of pressure nips at a temperature of 115-205°C and a pressure of 8.5-180 kg per linear cm.

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