(19)

(11)

EP 2 516 738 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 09803763.3 (22) Date of filing: 22.12.2009

(51) International Patent Classification (IPC):  D21G 3/00(2006.01) D21F 5/00(2006.01) D21G 3/04(2006.01) D21F 1/48(2006.01) D21G 1/00(2006.01) D21G 9/00(2006.01) D21F 11/14(2006.01) D21F 1/42(2006.01) D21F 7/04(2006.01) B65H 18/26(2006.01) (86) International application number: PCT/EP2009/067794 (87) International publication number: WO 2011/076268 (30.06.2011 Gazette 2011/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Metso Paper, Inc. 00130 Helsinki (FI)	(72) Inventor: PONKA, Philip, V. C. Thunder Bay, Ontario P7G 1C4 (CA) (74) Representative: Lundquist, Lars-Olof et al L-O Lundquist Patentbyra AB, Box 80 651 03 Karlstad 651 03 Karlstad (SE)