(19)

(11)

EP 4 284 216 A1

(12)

(43) Date of publication: 06.12.2023 Bulletin 2023/49 (21) Application number: 22702711.7 (22) Date of filing: 28.01.2022

(51) International Patent Classification (IPC):  A47D 13/02(2006.01) (52) Cooperative Patent Classification (CPC): A47D 13/025 (86) International application number: PCT/EP2022/052117 (87) International publication number: WO 2022/162185 (04.08.2022 Gazette 2022/31)

(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: 28.01.2021 CN 202110123729 28.01.2021 CN 202110123703 (71) Applicant: Wonderland Switzerland AG 6312 Steinhausen (CH)	(72) Inventor: FAN, Meifeng 6312 Steinhausen (CH) (74) Representative: ERNICKE Patent- und Rechtsanwälte PartmbB  Beim Glaspalast 1 86153 Augsburg 86153 Augsburg (DE)