METHOD FOR COMPENSATING FOR FAULTS IN A PAPER WEB
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United States of America Patent
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Issued Date -
Sep 8, 2011
app pub date -
Aug 18, 2008
filing date -
Aug 20, 2007
priority date (Note) -
Abandoned
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Abstract
Method for compensating for uneven shrinkage in a paper web in the press and drying sections of a paper machine, in which there is at least one open draw. In the method, a flow guide/guides are used in the head box, by means of which the machine direction orientation tendency of the fibres is reduced in the edge areas of the web and the angle of detaching of the web from the centre roll is adjusted, by directing onto the web an air jet that is located in the cross direction and the pressure of which can be adjusted in the said direction.
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