Method for producing multilayer paper

Details Method for producing multilayer paper Method for producing multilayer paper

D - Textiles, Paper

21

F

92/17.5

D21F 1/06 (2006.01) D21F 9/00 (2006.01)

Patent

CA 1139143

A B S T R A C T Multilayer paper of superior layer purity and formation is produced by discharging a plurality of superimposed jets of papermaking stock from a headbox into the throat of a roll former, preventing the discharged jets from coming together for a short distance by intro- ducing air between adjacent jets as they leave the headbox, and maintaining the velocity of the jet closest to a plain forming roll in the roll former slightly higher than the velocity of an adjacent discharged jet.

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