(19)

(11)

EP 4 352 311 A1

(12)

(43) Date of publication: 17.04.2024 Bulletin 2024/16 (21) Application number: 22820684.3 (22) Date of filing: 17.05.2022

(51) International Patent Classification (IPC):  E03D 1/012(2006.01) (52) Cooperative Patent Classification (CPC): E03D 11/146 (86) International application number: PCT/TR2022/050425 (87) International publication number: WO 2022/260624 (15.12.2022 Gazette 2022/50)

(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: 09.06.2021 TR 202109477 (71) Applicant: ECZACIBASI YAPI GERECLERI SANAYI VE TICARET ANONIM SIRKETI 34394 Istanbul (TR)	(72) Inventors: KAYA, Musa Bozuyuk/Bilecik (TR) USTUN, Ozay Bozuyuk/Bilecik (TR) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 17133100 Udine Viale Europa Unita, 17133100 Udine (IT)