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(11)

EP 4 259 422 A1

(12)

(43) Date of publication: 18.10.2023 Bulletin 2023/42 (21) Application number: 21876135.1 (22) Date of filing: 30.09.2021

(51) International Patent Classification (IPC):  B31B 50/64(2017.01) B65B 61/02(2006.01) B65B 51/10(2006.01) B65B 61/12(2006.01) (52) Cooperative Patent Classification (CPC): B65B 61/02; B65B 51/225; B65B 61/18; B29C 65/08; B31B 50/642; B31B 50/024; B31B 2105/001; B29C 65/18; B29C 65/32; B29C 65/36; B29C 65/245; B29C 65/26; B29C 66/8322; B29C 65/7882; B29C 66/43121; B29C 66/43122; B29L 2031/7166; B29C 66/71; B29C 66/72328; B29C 66/81422; B29C 66/81429; B29C 66/81457; B29C 66/0042; B29C 66/8122; B29C 66/1122; B29C 66/112; B29C 66/135; B29C 66/006; B29C 65/72; B29C 66/346; B29C 66/81425; B29C 66/91231; B29C 66/91216; B29C 66/91421; B29C 66/919   C-Sets: B29C 66/71, B29K 2023/06; B29C 66/8122, B29K 2827/18; B29C 66/71, B29K 2023/0616; (86) International application number: PCT/US2021/010044 (87) International publication number: WO 2022/071977 (07.04.2022 Gazette 2022/14)

(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: 01.10.2020 IE S20200222 (71) Applicant: Kullberg, Wilhelm Sacramento, CA 95814 (US)	(72) Inventor: Kullberg, Wilhelm Sacramento, CA 95814 (US) (74) Representative: Pintz, György  Pintz & Partners LLC Pf. 245 1444 Budapest 1444 Budapest (HU)