(19)

(11)

EP 4 399 453 A1

(12)

(43) Date of publication: 17.07.2024 Bulletin 2024/29 (21) Application number: 21956928.2 (22) Date of filing: 08.09.2021

(51) International Patent Classification (IPC):  F24C 15/04(2006.01) (52) Cooperative Patent Classification (CPC): F24C 15/04; F24C 15/024 (86) International application number: PCT/TR2021/050907 (87) International publication number: WO 2023/038586 (16.03.2023 Gazette 2023/11)

(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: EROGLU, Erdem 38070 Melikgazi/Kayseri (TR) DUZGUN, Ogun 38070 Melikgazi/Kayseri (TR) AKKUS, Yahya 38070 Melikgazi/Kayseri (TR)