Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With chemical or physical modification of liberated fiber
Reexamination Certificate
2007-01-30
2007-01-30
Hug, Eric (Department: 1731)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With chemical or physical modification of liberated fiber
C162S026000, C162S181200, C162S181400, C162S182000
Reexamination Certificate
active
09863594
ABSTRACT:
A device treats a fiber stock suspension with at least one additive, the fiber stock suspension being used for production of at least one of paper and cardboard. The fiber stock suspension includes a suspension medium and a fiber material. The fiber material has fiber surfaces, the fiber surfaces being moistened by the suspension medium. The device includes a fluffer having an inlet for receiving at least one of the fiber stock suspension and the at least one additive. The fluffer is coupled to the inlet, the fluffer being configured for separating the fiber material and enlarging a specific surface of the fiber surfaces.
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Doelle Klaus
Flanigan Shawn
Heise Oliver
Matz Robert J.
Rheims Jörg
Hug Eric
Taylor & Aust P.C.
Voith Paper Patent GmbH
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