EP 1702104 B1 20071219 - METHOD FOR GRINDING WATER-SUSPENDED PAPER FIBERS OR CELLULOSE FIBERS
Title (en)
METHOD FOR GRINDING WATER-SUSPENDED PAPER FIBERS OR CELLULOSE FIBERS
Title (de)
VERFAHREN ZUR MAHLUNG VON WÄSSRIG SUSPENDIERTEN PAPIERFASERN ODER ZELLSTOFFFASERN
Title (fr)
PROCEDE DE BROYAGE DE FIBRES DE PAPIER OU DE FIBRES DE CELLULOSE EN SUSPENSION DANS L'EAU
Publication
Application
Priority
- EP 2004012762 W 20041111
- DE 10358217 A 20031212
Abstract (en)
[origin: WO2005061783A1] The method is used to grind a suspension of paper fibers (S). Said suspension is ground predominantly as a result of pressure forces between two grinding surfaces (1,2) which are located on grinding tools which are pressed against each other since the grinding tools in the grinding area cannot move or only move very little in relation to each other. The grinding surfaces (1, 2) are porous, enabling part of the water (W) of the suspension of paper fibers (S) to be temporarily received or discharged. A device with a central grinding cylinder (3) and peripherally arranged grinding rollers (4) is particularly suitable as a device for carrying out said method. The grinding surfaces can be embodied as cylinders or provided with toothing.
IPC 8 full level
D21D 1/38 (2006.01)
CPC (source: EP US)
D21D 1/38 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005061783 A1 20050707; AT E381637 T1 20080115; BR PI0417436 A 20070306; DE 502004005776 D1 20080131; EP 1702104 A1 20060920; EP 1702104 B1 20071219; PT 1702104 E 20080208; US 2007090209 A1 20070426
DOCDB simple family (application)
EP 2004012762 W 20041111; AT 04820585 T 20041111; BR PI0417436 A 20041111; DE 502004005776 T 20041111; EP 04820585 A 20041111; PT 04820585 T 20041111; US 59636004 A 20041111