(19)

(11)

EP 3 860 926 A1

(12)

(43) Date of publication: 11.08.2021 Bulletin 2021/32 (21) Application number: 19789747.3 (22) Date of filing: 02.10.2019

(51) International Patent Classification (IPC):  B65D 5/50(2006.01) B65D 81/05(2006.01) B65D 5/44(2006.01) B65D 81/02(2006.01) B65D 5/20(2006.01) (86) International application number: PCT/IB2019/058374 (87) International publication number: WO 2020/070659 (09.04.2020 Gazette 2020/15)

(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 (30) Priority: 03.10.2018 SE 1851187 (71) Applicant: Stora Enso Oyj 00101 Helsinki (FI)	(72) Inventor: PETTERSSON, Ingvar 55631 Jönköping (SE) (74) Representative: Steinrud, Henrik  Stora Enso AB Group Intellectual Property Box 9090 65009 Karlstad 65009 Karlstad (SE)