(19)

(11)

EP 4 243 656 A1

(12)

(43) Date of publication: 20.09.2023 Bulletin 2023/38 (21) Application number: 21810305.9 (22) Date of filing: 09.11.2021

(51) International Patent Classification (IPC):  A47D 9/00(2006.01) A47D 13/02(2006.01) (52) Cooperative Patent Classification (CPC): A47D 9/00; A47D 9/005; A47D 13/02; A47D 13/027 (86) International application number: PCT/EP2021/081007 (87) International publication number: WO 2022/101154 (19.05.2022 Gazette 2022/20)

(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: 10.11.2020 US 202063111649 P (71) Applicant: Wonderland Switzerland AG 6312 Steinhausen (CH)	(72) Inventors: CHENG, Chin-ming 6312 Steinhausen (CH) LIU, Kwang-hao 6312 Steinhausen (CH) (74) Representative: ERNICKE Patent- und Rechtsanwälte PartmbB  Beim Glaspalast 1 86153 Augsburg 86153 Augsburg (DE)