(19)

(11)

EP 2 501 855 A1

(12)

(43) Date of publication: 26.09.2012 Bulletin 2012/39 (21) Application number: 11706859.3 (22) Date of filing: 02.02.2011

(51) International Patent Classification (IPC):  D21G 1/02(2006.01) F16C 13/00(2006.01) (86) International application number: PCT/FI2011/050086 (87) International publication number: WO 2011/095691 (11.08.2011 Gazette 2011/32)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 05.02.2010 FI 20105109 (71) Applicant: Metso Paper, Inc. 00130 Helsinki (FI)	(72) Inventors: LAHTINEN, Juha FI-40720 Jyväskylä (FI) KOROLAINEN, Tommi FI-41940 Vesanka (FI) (74) Representative: Schmid, Wolfgang et al Lorenz & Kollegen Patentanwälte Partnerschaftsgesellschaft Alte Ulmer Strasse 2 89522 Heidenheim 89522 Heidenheim (DE)