(19)

(11)

EP 4 004 444 A2

(12)

(88) Date of publication A3: 14.05.2021 (43) Date of publication: 01.06.2022 Bulletin 2022/22 (21) Application number: 19946027.0 (22) Date of filing: 16.09.2019

(51) International Patent Classification (IPC):  F24C 7/06(2006.01) (52) Cooperative Patent Classification (CPC): F24C 15/08; F24C 7/067 (86) International application number: PCT/TR2019/050762 (87) International publication number: WO 2021/054904 (25.03.2021 Gazette 2021/12)

(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 (71) Applicant: Femas Metal San. Ve Tic. A.S. 38070 Melikgazi/Kayseri (TR)	(72) Inventors: GOCER, Mehmet Baris 38070 Melikgazi/Kayseri (TR) AKKUS, Yahya 38070 Melikgazi/Kayseri (TR) EROGLU, Erdem 38070 Melikgazi/Kayseri (TR) DUZGUN, Ogun 38070 Melikgazi/Kayseri (TR)