(19)

(11)

EP 3 749 824 A1

(12)

(43) Date of publication: 16.12.2020 Bulletin 2020/51 (21) Application number: 19712116.3 (22) Date of filing: 16.02.2019

(51) International Patent Classification (IPC):  E06B 7/02(2006.01) E06B 9/32(2006.01) E06B 9/30(2006.01) (86) International application number: PCT/CZ2019/050004 (87) International publication number: WO 2019/158136 (22.08.2019 Gazette 2019/34)

(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: 19.02.2018 CZ 20180082 (71) Applicant: Ceske vysoke uceni technicke v Praze 160 00 Praha 6 - Dejvice (CZ)	(72) Inventor: TYWONIAK, Jan 25722 Cercany (CZ) (74) Representative: Kratochvil, Vaclav  Patent and Trademark Office P.O. Box 26 295 01 Mnichovo Hradiste 295 01 Mnichovo Hradiste (CZ)