Method for manufacturing paper having variable characteristics
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United States of America Patent
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-
May 11, 2004
Grant Date -
Mar 14, 2002
app pub date -
Jun 13, 2001
filing date -
Jun 29, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for manufacturing paper having a variable characteristic in a crossmachine direction including the steps of feeding a slurry to a distributor and delivering the slurry from the distributor to a headbox through a plurality of delivery lines. The delivery lines are coupled to the headhox at a plurality of locations spaced across the headbox in a crossmachine direction. The method includes selectively introducing a property altering agent in at least two of the delivery lines at the distributor to selectively alter the properties of the slurry passing through the at least two delivery lines. The method also includes the step of depositing the slurry received by the headbox on a papermaking wire to form paper.
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