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EP 4 304 406 A1

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(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 22718581.6 (22) Date of filing: 10.03.2022

(51) International Patent Classification (IPC):  A43B 1/00(2006.01) A43B 1/06(2006.01) A43B 23/02(2006.01) A43B 1/025(2022.01) A43B 13/04(2006.01) (52) Cooperative Patent Classification (CPC): A43B 1/0063; A43B 1/025; A43B 1/06; A43B 13/04; A43B 23/0205 (86) International application number: PCT/CZ2022/050026 (87) International publication number: WO 2022/188904 (15.09.2022 Gazette 2022/37)

(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: 12.03.2021 CZ 20210121 (71) Applicant: Tomas Bata University In Zlín 76001 Zlín (CZ)	(72) Inventors: SÁHA, Tomas 76001 Zlín, Mladcová (CZ) KUBINA, Pavel 76312 Vizovice (CZ) JANOS, Jakub 75651 Zasová (CZ) VANKO, Igor 958 03 Malé Uherce (SK) (74) Representative: Kreizlova, Dana  Tomas Bata University in Zlin Nam. T.G. Masaryka 5555 760 01 Zlin 760 01 Zlin (CZ)