Method for producing multilayer paper
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United States of America Patent
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Mar 13, 1984
Grant Date -
N/A
app pub date -
Feb 23, 1982
filing date -
Feb 23, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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 introducing 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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