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EP 2 739 785 A1

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(43) Date of publication: 11.06.2014 Bulletin 2014/24 (21) Application number: 12820375.9 (22) Date of filing: 03.08.2012

(51) International Patent Classification (IPC):  D21H 21/40(2006.01) B41M 3/14(2006.01) B44F 1/12(0000.00) D21H 21/48(2006.01) B42D 15/00(2006.01) (86) International application number: PCT/FI2012/050765 (87) International publication number: WO 2013/017738 (07.02.2013 Gazette 2013/06)

(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: 03.08.2011 FI 20115781 (71) Applicant: UPM-Kymmene Corporation 00100 Helsinki (FI)	(72) Inventors: VIRTANEN, Pasi FI-53500 Lappeenranta (FI) LEPPÄNEN, Teuvo FI-54500 Taavetti (FI) LANNES, Petteri FI-53500 Lappeenranta (FI) (74) Representative: Tampereen Patenttitoimisto Oy  Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)