EP 1121483 A1 20010808 - METHOD AND APPARATUS FOR PRETREATING PAPER PULP
Title (en)
METHOD AND APPARATUS FOR PRETREATING PAPER PULP
Title (de)
VERFAHREN UND VORRICHTUNG ZUR VORBEHANDLUNG VON PAPIERFASERSTOFF
Title (fr)
PROCEDE ET APPAREIL POUR LE PRETRAITEMENT DE LA PATE PAPIER
Publication
Application
Priority
- FI 9900684 W 19990818
- FI 981798 A 19980821
Abstract (en)
[origin: WO0011265A1] The present invention relates to a method and apparatus for pretreating paper pulp. The method and apparatus according to the invention are especially preferably applicable to be used in the paper machine approach system of paper machines producing filler-containing grades. A characterizing feature of the method and apparatus according to the invention is that a propeller pump is used as the gas separation tank (16) feed pump (120).
IPC 1-7
IPC 8 full level
D21D 5/02 (2006.01); D21D 5/18 (2006.01); D21D 5/26 (2006.01); D21F 1/66 (2006.01); D21F 1/68 (2006.01)
CPC (source: EP KR)
Citation (search report)
See references of WO 0011265A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0011265 A1 20000302; AT E260357 T1 20040315; AU 5374999 A 20000314; BR 9913176 A 20010515; BR 9913176 B1 20090505; CA 2340438 A1 20000302; CA 2340438 C 20080115; CN 1134567 C 20040114; CN 1313917 A 20010919; DE 69915089 D1 20040401; DE 69915089 T2 20040909; EP 1121483 A1 20010808; EP 1121483 B1 20040225; ES 2214877 T3 20040916; FI 105489 B 20000831; FI 981798 A0 19980821; FI 981798 A 20000222; JP 2002523642 A 20020730; KR 20010072847 A 20010731
DOCDB simple family (application)
FI 9900684 W 19990818; AT 99939465 T 19990818; AU 5374999 A 19990818; BR 9913176 A 19990818; CA 2340438 A 19990818; CN 99809921 A 19990818; DE 69915089 T 19990818; EP 99939465 A 19990818; ES 99939465 T 19990818; FI 981798 A 19980821; JP 2000566506 A 19990818; KR 20017002243 A 20010221