Drying and gas or vapor contact with solids – Process – Gas or vapor contact with treated material
Reexamination Certificate
2007-07-31
2007-07-31
Gravini, S. (Department: 3749)
Drying and gas or vapor contact with solids
Process
Gas or vapor contact with treated material
C034S119000, C162S198000, C073S038000
Reexamination Certificate
active
10432584
ABSTRACT:
The narrow-scale moisture profile of a paper web is controlled by profiling nozzles (11) of a profiling device (10) which cover part of the width of the web and desired variations of the moisture profile are corrected by the profiling nozzles (11). Coating quantity profile of a paper web may also be controlled. The narrow-scale coating quantity profile is controlled by profiling nozzles (11) of a profiling device (10) which cover part of the width of the web and desired variations of the coating quantity profile are corrected by the profiling nozzles (11). The device (10) for controlling the moisture profile or the coating quantity profile of a paper web has profiling nozzles (11) for controlling narrow-scale moisture profile variation, which cover a desired part of the width of the web, to correct desired variations occurring in the profile in the width direction of the web.
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Almi Jari
Lipponen Juha
Nurmi Jarkko
Sundqvist Hans
Veijola Jarkko
Gravini S.
Metso Paper Inc.
Stiennon & Stiennon
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