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(11)

EP 1 194 637 A1

(12)

(43) Date of publication: 10.04.2002 Bulletin 2002/15 (21) Application number: 00944543.8 (22) Date of filing: 19.06.2000

(51) International Patent Classification (IPC)7: D21F 3/02 (86) International application number: PCT/SE0001/280 (87) International publication number: WO 0079/043 (28.12.2000 Gazette 2000/52)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB LI Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.06.1999 SE 9902318 (71) Applicant: Metso Paper Karlstad Aktiebolag 651 15 Karlstad (SE)	(72) Inventors: ANDERSSON, Ingmar S-663 42 Hammarö (SE) KILIAN, Malin S-652 22 Karlstad (SE) ANDREN, Bertil S-660 60 Molkom (SE) (74) Representative: Hynell, Magnus  Hynell Patenttjänst AB,Patron Carls väg 2 683 40 Hagfors/Uddeholm 683 40 Hagfors/Uddeholm (SE)