(19)

(11)

EP 4 034 816 A1

(12)

(43) Date of publication: 03.08.2022 Bulletin 2022/31 (21) Application number: 19951087.6 (22) Date of filing: 02.11.2019

(51) International Patent Classification (IPC):  F24C 15/04(2006.01) (52) Cooperative Patent Classification (CPC): F24C 15/045 (86) International application number: PCT/TR2019/050920 (87) International publication number: WO 2021/086282 (06.05.2021 Gazette 2021/18)

(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 34590 Silivri/Istanbul (TR) EROGLU, Erdem 38070 Melikgazi/Kayseri (TR) AKKUS, Yahya 38070 Melikgazi/Kayseri (TR) DUZGUN, Ogun 38070 Melikgazi/Kayseri (TR)