(19)

(11)

EP 4 225 684 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 20956635.5 (22) Date of filing: 06.10.2020

(51) International Patent Classification (IPC):  B65H 75/22(2006.01) B65D 85/676(2006.01) B65D 85/672(2006.01) B65H 75/14(2006.01) (52) Cooperative Patent Classification (CPC): B65H 75/14; B65D 85/672; B65D 85/676; B65H 2701/5112; B65H 75/50 (86) International application number: PCT/IB2020/059366 (87) International publication number: WO 2022/074432 (14.04.2022 Gazette 2022/15)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Stora Enso Oyj 00101 Helsinki (FI)	(72) Inventor: WILLYSON, Roland 55312 Jönköping (SE) (74) Representative: Steinrud, Henrik  Stora Enso AB Group Intellectual Property Box 9090 65009 Karlstad 65009 Karlstad (SE)