Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...
Patent
1994-06-17
1996-09-03
Hastings, Karen M.
Paper making and fiber liberation
Processes and products
Running or indefinite length work forming and/or treating...
162198, 162252, 162263, 162301, 162259, D21F 100
Patent
active
055520219
ABSTRACT:
A method, device, and arrangement in a paper machine for regulating the control of the transverse profile or profiles of properties of a paper web produced therein. Water is removed from the paper web under compression between two forming wires by making use of dewatering and/or forming ribs. The deflection of the dewatering and/or forming ribs in the transverse direction of the web is regulated thereby affecting the retention profile of the paper web in the cross direction. By regulating the deflection of the dewatering and/or forming ribs, the transverse fiber-orientation profile and/or the filler profile of the paper web is influenced through the control of the transverse retention profile of the web.
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Ilvesp aa Heikki
Jaakkola Jyrki
Linsuri Ari
Partanen Erkki
Poikolainen Antti
Hastings Karen M.
Valmet Corporation
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