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EP 4 577 080 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23710200.9 (22) Date of filing: 22.02.2023

(51) International Patent Classification (IPC):  A46B 11/00(2006.01) A46B 3/22(2006.01) A46B 9/00(2006.01) A46B 9/04(2006.01) A46B 11/06(2006.01) A46B 9/02(2006.01) A46B 5/00(2006.01) A46B 3/00(2006.01) (52) Cooperative Patent Classification (CPC): A46B 2200/1093; A46B 2200/1026; A46B 11/06; A46B 11/0006; A46B 3/22; A46B 9/026; A46B 9/005; A46B 5/0095; A46B 9/04; A46B 3/005 (86) International application number: PCT/CN2023/077620 (87) International publication number: WO 2024/103559 (23.05.2024 Gazette 2024/21)

(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: 14.11.2022 CN 202223022049 U (71) Applicant: Hangzhou Jade Clove Science & Technology Co., Ltd. Hangzhou, Zhejiang 310052 (CN)	(72) Inventors: GONG, Ye Hangzhou, Zhejiang 310052 (CN) LIU, Yuanyuan Hangzhou, Zhejiang 310052 (CN) CHU, Sin Wo Hangzhou, Zhejiang 310052 (CN) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)