(19)

(11)

EP 4 522 519 A1

(12)

(43) Date of publication: 19.03.2025 Bulletin 2025/12 (21) Application number: 23730897.8 (22) Date of filing: 10.05.2023

(51) International Patent Classification (IPC):  B65D 3/00(2006.01) B65D 55/00(2006.01) B65D 43/00(2006.01) (52) Cooperative Patent Classification (CPC): B65D 43/0222; B65D 3/22; B65D 2543/00314; B65D 55/06; B65D 2251/0093; B65D 2205/02 (86) International application number: PCT/IB2023/054833 (87) International publication number: WO 2023/218371 (16.11.2023 Gazette 2023/46)

(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: 11.05.2022 EP 22172784 (71) Applicant: Aisapack Holding SA 1896 Vouvry (CH)	(72) Inventors: DEMAUREX, Gilles 1920 Martigny (CH) PELLISSIER, Joachim 1926 Fully (CH) (74) Representative: Grosfillier, Philippe  André Roland SA IP Attorneys & Services Avenue Collonges 21 1004 Lausanne 1004 Lausanne (CH)