(19)

(11)

EP 4 401 602 A1

(12)

(43) Date of publication: 24.07.2024 Bulletin 2024/30 (21) Application number: 22870422.7 (22) Date of filing: 15.09.2022

(51) International Patent Classification (IPC):  A45B 3/00(2006.01) A45B 9/00(2006.01) (52) Cooperative Patent Classification (CPC): A45B 3/00; A45B 3/08 (86) International application number: PCT/TH2022/000033 (87) International publication number: WO 2023/043382 (23.03.2023 Gazette 2023/12)

(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: 16.09.2021 TH 2103002679 U (71) Applicant: Sachdev, Sirasit Mukdahan Province, 49000 (TH)	(72) Inventor: Sachdev, Sirasit Mukdahan Province, 49000 (TH) (74) Representative: JWP Patent & Trademark Attorneys  ul. Minska 75 03-828 Warszawa 03-828 Warszawa (PL)