(19)

(11)

EP 4 457 158 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 23706685.7 (22) Date of filing: 27.01.2023

(51) International Patent Classification (IPC):  B65D 51/20(2006.01) B65D 77/20(2006.01) (52) Cooperative Patent Classification (CPC): B65D 77/206; B65D 2577/2091; B65D 51/20; B65D 2251/0015; B65D 2251/0025; B65D 2251/0093; B65D 2251/0031; B65D 2251/0062 (86) International application number: PCT/US2023/011721 (87) International publication number: WO 2023/147037 (03.08.2023 Gazette 2023/31)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 27.01.2022 EP 22305087 06.04.2022 EP 22305462 (71) Applicant: Sonoco Development Inc. Hartsville, SC 29550 (US)	(72) Inventor: SIREIX, Guillaume 68440 Habsheim (FR) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)