(19)

(11)

EP 1 285 121 A1

(12)

(43) Date of publication: 26.02.2003 Bulletin 2003/09 (21) Application number: 01918128.8 (22) Date of filing: 04.04.2001

(51) International Patent Classification (IPC)7: D21F 3/02 (86) International application number: PCT/SE0100/731 (87) International publication number: WO 0109/2636 (06.12.2001 Gazette 2001/49)

(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: 29.05.2000 SE 0002010 (71) Applicant: Metso Paper Karlstad Aktiebolag 651 15 Karlstad (SE)	(72) Inventor: BROX, Erik S-667 33 Forshaga (SE) (74) Representative: Johansson, Lars E.  Hynell Patenttjänst ABPatron Carls Väg 2 683 40 Hagfors/Uddeholm 683 40 Hagfors/Uddeholm (SE)