(19)

(11)

EP 4 558 017 A2

(12)

(88) Date of publication A3: 29.02.2024 (43) Date of publication: 28.05.2025 Bulletin 2025/22 (21) Application number: 23744818.8 (22) Date of filing: 21.07.2023

(51) International Patent Classification (IPC):  A47D 13/02(2006.01) A47D 13/10(2006.01) (52) Cooperative Patent Classification (CPC): A47D 13/105; A47D 1/002; A47D 1/0081; A47D 1/10; A47D 1/004 (86) International application number: PCT/EP2023/070350 (87) International publication number: WO 2024/018076 (25.01.2024 Gazette 2024/04)

(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: 21.07.2022 CN 202210864532 21.07.2022 CN 202210865519 28.09.2022 CN 202211194162 17.11.2022 CN 202211441193 23.12.2022 CN 202211666803 (71) Applicant: Wonderland Switzerland AG 6312 Steinhausen (CH)

(72) Inventors: WANG, Tao Dongguan, Guangdong 523648 (CN) HU, Wenqu Dongguan, Guangdong 523648 (CN) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)