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(11)

EP 1 841 917 A1

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(43) Date of publication: 10.10.2007 Bulletin 2007/41 (21) Application number: 05813209.3 (22) Date of filing: 02.12.2005

(51) International Patent Classification (IPC):  D21H 23/48(2006.01) G03C 1/74(2006.01) B05C 5/02(2006.01) (86) International application number: PCT/FI2005/050444 (87) International publication number: WO 2006/079679 (03.08.2006 Gazette 2006/31)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 27.01.2005 FI 20055040 (71) Applicant: Metso Paper, Inc. 00130 Helsinki (FI)	(72) Inventors: VATANEN, Heikki FI-04400 Järvenpää (FI) KOSKINEN, Jukka FI-04430 Järvenpää (FI) NURMIAINEN, Timo FI-04430 Järvenpää (FI) (74) Representative: Lorenz, Markus  Lorenz & Kollegen Patent- und Rechtsanwaltskanzlei Alte Ulmer Straße 2 89522 Heidenheim 89522 Heidenheim (DE)