Paper making and fiber liberation – Processes and products – With stretching – tensioning – decurling – flexing or breaking
Reexamination Certificate
2004-05-04
2008-09-30
Halpern, Mark (Department: 1791)
Paper making and fiber liberation
Processes and products
With stretching, tensioning, decurling, flexing or breaking
C162S273000, C162S272000, C162S274000, C162S199000, C226S021000, C226S022000, C226S023000, C226S170000
Reexamination Certificate
active
07429310
ABSTRACT:
A paper or board machine has a fabric (10) that is adapted mobile as well as rolls (11, 11′) arranged to support the fabric (10). The fabric (10) is tensioned by changing the position of one roll (11′) of the rolls (11, 11′). Correspondingly, the fabric (10) is guided by changing the alignment of one roll (11′) of the said rolls (11, 11′). Surprisingly the fabric (10) is both tensioned and guided by changing the alignment and position of only one and the same roll (11′). In addition, the wrap angle of the fabric (10) at this roll (11′) is set higher than 30°.
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International Search Report issued in PCT/FI2004/050055.
Heikkilä Pertti K.
Kärkkäinen Erkki
Nieminen Erkka
Salminen Samppa J.
Vainio Veli-Matti
Halpern Mark
Metso Paper Inc.
Stiennon & Stiennon
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