(19)

(11)

EP 3 903 060 A2

(12)

(88) Date of publication A3: 30.07.2020 (43) Date of publication: 03.11.2021 Bulletin 2021/44 (21) Application number: 19902366.4 (22) Date of filing: 30.07.2019

(51) International Patent Classification (IPC):  F42C 15/20(2006.01) (52) Cooperative Patent Classification (CPC): F24C 15/20 (86) International application number: PCT/TR2019/050637 (87) International publication number: WO 2020/139226 (02.07.2020 Gazette 2020/27)

(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: 27.12.2018 TR 201820804 (71) Applicant: Femas Metal Sanayi Ve Ticaret Anonim Sirketi Melikgazi/Kayseri (TR)	(72) Inventor: MAMUR, Ali Erkan Cadde 5008. Sok. No:11 stanbul (TR) (74) Representative: Yamankaradeniz, Kemal  Destek Patent, Inc. Maslak Mah., Büyükdere Cad., No: 243, Kat: 13, Spine Tower, Sariyer, 34485 Istanbul 34485 Istanbul (TR)