Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...
Patent
1995-04-12
1997-07-29
Czaja, Donald E.
Paper making and fiber liberation
Processes and products
Running or indefinite length work forming and/or treating...
162281, 162361, 162375, 162198, 34446, 34114, 100 38, D21G 100, D21G 700, B65H 2304
Patent
active
056518633
ABSTRACT:
An apparatus and method for treating a sheet material (3) with an arrangement of rollers (6, 7), including at least one heated roller (8, 9), which defines at least one roller gap through which the sheet of material is passed and acted upon with pressure and/or elevated temperature. A housing (32) surrounds the roller arrangement (6, 7) and the treatment takes place in an environmental atmosphere, the temperature and/or humidity of which can be adjusted to a specified value. A roll of the sheet material is subjected to pretreatment to provide it with desired temperature and humidity conditions before entering the housing (32).
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Haag Rolf van
Rothfuss Ulrich
Czaja Donald E.
Fortuna Jos'e A.
Voith Sulzer Finishing GmbH
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