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(11)

EP 4 543 663 A1

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(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 22947279.0 (22) Date of filing: 22.06.2022

(51) International Patent Classification (IPC):  B29C 64/00(2017.01) B33Y 30/00(2015.01) B29C 64/20(2017.01) B44D 3/22(2006.01) (52) Cooperative Patent Classification (CPC): B29C 48/02; B29C 2948/926; B29C 48/802; B29C 48/2888; B29C 48/05; B29C 48/3001 (86) International application number: PCT/CN2022/100473 (87) International publication number: WO 2023/245500 (28.12.2023 Gazette 2023/52)

(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 (71) Applicant: Wei, Honghui Yuyao, Zhejiang 212400 (CN)	(72) Inventor: Wei, Honghui Yuyao, Zhejiang 212400 (CN) (74) Representative: Winter, Brandl - Partnerschaft mbB  Alois-Steinecker-Straße 22 85354 Freising 85354 Freising (DE)