(19)

(11)

EP 4 081 718 A2

(12)

(88) Date of publication A3: 29.07.2021 (43) Date of publication: 02.11.2022 Bulletin 2022/44 (21) Application number: 20907938.3 (22) Date of filing: 12.12.2020

(51) International Patent Classification (IPC):  F16B 39/00(2006.01) F16B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): E03D 11/14; F16B 2/12 (86) International application number: PCT/TR2020/051283 (87) International publication number: WO 2021/133323 (01.07.2021 Gazette 2021/26)

(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: 24.12.2019 TR 201921310 (71) Applicant: ECZACIBASI YAPI GERECLERI SANAYI VE TICARET ANONIM SIRKETI 34394 Istanbul (TR)	(72) Inventors: YIGIT, Sedat 11300 Bozuyuk/Bilecik (TR) KEMANECI, Halil Ibrahim 11300 Bozuyuk/Bilecik (TR) ELÇIN, Özlem Bozüyük/Bilecik (TR) SARIGOL, Suleyman Vedat 11300 Bozuyuk/Bilecik (TR) SIMSIR, Bogac Istanbul (TR) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)