Influencing the jet velocity in the multilayer headbox
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United States of America Patent
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-
Apr 22, 1997
Grant Date -
N/A
app pub date -
Mar 27, 1995
filing date -
Mar 6, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a method of controlling the relative flow speed of the layers in a multi-layer headbox with laminae mounted torque-free between upper and lower lips which are stationary when in operation. The invention is characterized in that a difference in speed is produced between the individual layers by causing the static pressure to change differently in the different layers.
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Cited Art Landscape
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