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(11)

EP 4 126 417 A1

(12)

(43) Date of publication: 08.02.2023 Bulletin 2023/06 (21) Application number: 20927761.5 (22) Date of filing: 29.03.2020

(51) International Patent Classification (IPC):  B22D 13/02(1968.09) B21B 27/02(1968.09) B32B 15/01(1980.01) (52) Cooperative Patent Classification (CPC): B22D 13/02; B22D 19/00; B21B 27/03; B32B 15/011; C22C 38/18; C22C 37/06; C21D 2211/003; C21D 2211/006; C22C 37/04 (86) International application number: PCT/TR2020/050249 (87) International publication number: WO 2021/194437 (30.09.2021 Gazette 2021/39)

(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: 26.03.2020 TR 202004781 (71) Applicant: Entil Endustri Yatirimlari Ve Ticaret Anonim Sirketi 26110 Odunpazari/Eskisehir (TR)	(72) Inventors: OKTAY, Mehmet 26110 Odunpazari/Eskisehir (TR) TASCI, Efe 26110 Odunpazari/Eskisehir (TR) (74) Representative: Demirkiran, Hasan  Kordinat Inovasyon ve Fikri Mulkiyet Yonetimi Ltd. Sti. Nispetiye Mah. Nispetiye Cad. No:6 K:2 Etiler Besiktas 34340 Istanbul 34340 Istanbul (TR)