(19)

(11)

EP 1 702 101 A1

(12)

(43) Date of publication: 20.09.2006 Bulletin 2006/38 (21) Application number: 04805227.8 (22) Date of filing: 22.12.2004

(51) International Patent Classification (IPC):  D21C 1/06(2006.01) D21C 3/22(2006.01) D21C 3/02(2006.01) (86) International application number: PCT/FI2004/050196 (87) International publication number: WO 2005/064075 (14.07.2005 Gazette 2005/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 31.12.2003 FI 20031929 (71) Applicant: Metso Paper, Inc.(Reg.No. 763281) 00130 Helsinki (FI)	(72) Inventors: MARTIKAINEN, Seppo 98440 Kallaanvaara (FI) TIKKA, Panu FI-02160 ESPOO (FI) TIMONEN, Olli FI-26100 RAUMA (FI) SVEDMAN, Mikael FI-65100 VASA (FI) (74) Representative: Langenskiöld, Tord Karl Walter et al Oy Jalo Ant-Wuorinen Ab, Iso-Roobertinkatu 4-6 A 00120 Helsinki 00120 Helsinki (FI)