(19)

(11)

EP 1 567 710 A1

(12)

(43) Date of publication: 31.08.2005 Bulletin 2005/35 (21) Application number: 03809907.3 (22) Date of filing: 17.10.2003

(51) International Patent Classification (IPC)7: D21B 1/02, D21B 1/12 (86) International application number: PCT/SE2003/001614 (87) International publication number: WO 2004/040058 (13.05.2004 Gazette 2004/20)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 29.10.2002 SE 0203176 (71) Applicant: Metso Paper, Inc. 00101 Helsinki (FI)	(72) Inventor: LUNDGREN, Baltsar S-856 51 Sundsvall (SE) (74) Representative: Holmberg, Martin Tor et al Bergenstrahle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)