(19)
(11) EP 1 334 230 A1

(12)

(43) Date of publication:
13.08.2003 Bulletin 2003/33

(21) Application number: 01978484.2

(22) Date of filing: 16.10.2001
(51) International Patent Classification (IPC)7D21D 5/02
(86) International application number:
PCT/FI0100/896
(87) International publication number:
WO 0203/3165 (25.04.2002 Gazette 2002/17)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 16.10.2000 FI 20002283

(71) Applicant: Metso Paper Inc.
00130 Helsinki (FI)

(72) Inventors:
  • HAUTALA, Jouko
    FIN-33400 Tampere (FI)
  • JUUTINEN, Vesa
    FIN-33730 Tampere (FI)
  • NIEMINEN, Erkka
    FIN-33580 Tampere (FI)

(74) Representative: Leson, Thomas Johannes Alois, Dipl.-Ing. 
Tiedtke-Bühling-Kinne & Partner GbR,TBK-Patent,Bavariaring 4
80336 München
80336 München (DE)

   


(54) METHOD AND APPARATUS AND SCREEN FOR SCREENING MECHANICAL FIBRE PULP