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(11)

EP 3 523 592 A2

(12)

(88) Date of publication A3: 24.05.2018 (43) Date of publication: 14.08.2019 Bulletin 2019/33 (21) Application number: 17798313.7 (22) Date of filing: 02.10.2017

(51) International Patent Classification (IPC):  F28F 3/14(2006.01) F28D 1/04(2006.01) F28F 1/20(2006.01) F28F 19/00(2006.01) F28D 1/047(2006.01) F28F 3/02(2006.01) F28F 9/013(2006.01) F25D 21/12(2006.01) (86) International application number: PCT/IB2017/056059 (87) International publication number: WO 2018/065875 (12.04.2018 Gazette 2018/15)

(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: MA MD (30) Priority: 07.10.2016 SI 201600245 (71) Applicant: Talum d.d. Kidricevo 2325 Kidricevo (SI)	(72) Inventors: PLOJ, Dejan 2000 Maribor (SI) FERCEC, Janko 2282 Cirkulane (SI) HABJANIC, Rajko 2251 Ptuj (SI) (74) Representative: Ivancic, Bojan  Inventio d.o.o. Dolenjska cesta 11 1000 Ljubljana 1000 Ljubljana (SI)