(19)

(11)

EP 4 496 753 A2

(12)

(88) Date of publication A3: 21.12.2023 (43) Date of publication: 29.01.2025 Bulletin 2025/05 (21) Application number: 23775527.7 (22) Date of filing: 21.03.2023

(51) International Patent Classification (IPC):  B65D 5/20(2006.01) B65D 25/02(2006.01) B65D 27/12(2006.01) B65D 5/44(2006.01) B65D 27/02(2006.01) B65D 43/22(2006.01) (52) Cooperative Patent Classification (CPC): B42F 7/02; B42P 2241/02; B42P 2241/04; B42P 2241/28 (86) International application number: PCT/US2023/015708 (87) International publication number: WO 2023/183271 (28.09.2023 Gazette 2023/39)

(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: 21.03.2022 US 202263322063 P (71) Applicant: He, Yadong Burbank, California 91502 (US)	(72) Inventor: He, Yadong Burbank, California 91502 (US) (74) Representative: Valet Patent Services Limited  c/o Caya 83713X Am Börstig 5 96052 Bamberg 96052 Bamberg (DE)