(19)

(11)

EP 3 743 343 A1

(12)

(43) Date of publication: 02.12.2020 Bulletin 2020/49 (21) Application number: 19702486.2 (22) Date of filing: 14.01.2019

(51) International Patent Classification (IPC):  B65D 5/54(2006.01) (86) International application number: PCT/IB2019/050269 (87) International publication number: WO 2019/145816 (01.08.2019 Gazette 2019/31)

(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: 24.01.2018 SE 1850070 (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)