(19)

(11)

EP 4 267 808 A2

(12)

(88) Date of publication A3: 06.10.2022 (43) Date of publication: 01.11.2023 Bulletin 2023/44 (21) Application number: 21926966.9 (22) Date of filing: 17.06.2021

(51) International Patent Classification (IPC):  E04B 1/18(2006.01) E04B 1/38(2006.01) E04B 1/24(2006.01) (52) Cooperative Patent Classification (CPC): E04B 1/3483; E04B 1/165; E04B 2001/2478; E04B 2001/2415; E04B 2001/2418; E04C 5/168; E04C 5/18 (86) International application number: PCT/TR2021/050620 (87) International publication number: WO 2022/177521 (25.08.2022 Gazette 2022/34)

(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: 22.02.2021 TR 202102472 (71) Applicant: Yöney, Özgür Merkez Çanakkale (TR)	(72) Inventor: SAHSENAS, Rahman Sariyer/ Istanbul (TR) (74) Representative: Sach, Greg Robert  C/o KA Filing (EU) Limited Valet Patent Services Limited Landberger Str. 302 80687 München 80687 München (DE)