(19)

(11)

EP 1 240 387 A1

(12)

(43) Date of publication: 18.09.2002 Bulletin 2002/38 (21) Application number: 00987880.2 (22) Date of filing: 11.12.2000

(51) International Patent Classification (IPC)7: D21F 3/02 (86) International application number: PCT/SE0002/493 (87) International publication number: WO 0104/2561 (14.06.2001 Gazette 2001/24)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 10.12.1999 SE 9904544 (71) Applicant: Metso Paper Karlstad Aktiebolag 651 15 Karlstad (SE)	(72) Inventors: GUSTAVSSON, Lars S-652 26 Karlstad (SE) BROX, Erik S-667 33 Forshaga (SE) (74) Representative: Egeröd, Lisbeth et al Ström & Gulliksson IP ABSjöporten 4 417 64 Göteborg 417 64 Göteborg (SE)