(19)

(11)

EP 1 448 851 A1

(12)

(43) Date of publication: 25.08.2004 Bulletin 2004/35 (21) Application number: 02801927.1 (22) Date of filing: 23.10.2002

(51) International Patent Classification (IPC)7: D21H 17/69, D21C 9/00 (86) International application number: PCT/FI2002/000821 (87) International publication number: WO 2003/035979 (01.05.2003 Gazette 2003/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.10.2001 FI 20012073 (71) Applicant: M-real Oyj 02100 Espoo (FI)	(72) Inventors: SILENIUS, Petri FIN-08500 Lohja (FI) KEKKI, Risto FIN-02460 Kantvik (FI) (74) Representative: Hakkila, Maini Annika et al Forssén & Salomaa Oy,Eerikinkatu 2 00100 Helsinki 00100 Helsinki (FI)