(19)

(11)

EP 4 323 282 A1

(12)

(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 22722443.3 (22) Date of filing: 12.04.2022

(51) International Patent Classification (IPC):  B65D 5/68(2006.01) B65D 5/20(2006.01) B65D 8/00(2006.01) B65D 5/24(2006.01) B65D 43/02(2006.01) (52) Cooperative Patent Classification (CPC): B65D 2543/00296; B65D 2543/00379; B65D 2543/00694; B65D 2543/00833; B65D 15/22; B65D 2543/00194; B65D 2543/00212; B65D 2543/0049; B65D 2543/00574; B65D 2543/00712; B65D 2543/00601; B65D 2543/00648; B65D 2543/00759; B65D 2543/00805; B65D 2543/0012; B65D 2543/00231; B65D 43/169; B65D 47/122; B65D 47/127; B65D 47/121; B65D 5/6697; B65D 5/42; B65D 15/24 (86) International application number: PCT/EP2022/059683 (87) International publication number: WO 2022/218949 (20.10.2022 Gazette 2022/42)

(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: 15.04.2021 GB 202105372 (71) Applicant: DS Smith Plc London W2 1DL (GB)	(72) Inventor: TURNER, Russell Monmouth, Monmouthshire NP25 4LZ (GB) (74) Representative: Vanzini, Christian et al Jacobacci & Partners S.p.A. Corso Emilia 8 10152 Torino 10152 Torino (IT)