Headbox and stock delivery system for a papermaking machine
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United States of America Patent
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Aug 25, 2009
Grant Date -
Nov 22, 2007
app pub date -
Feb 1, 2007
filing date -
Feb 1, 2006
priority date (Note) -
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Abstract
A headbox including a stock dilution profiling arrangement and associated stock delivery systems are provided, which together deliver to the forming section of a papermaking machine a uniform stock flow with more consistent basis weight and fiber orientation profiles than has previously been possible. These improvements in basis weight uniformity and fiber orientation profile provide benefits in paper sheet formation and related paper properties.
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