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(11)

EP 3 645 654 A1

(12)

(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 18749165.9 (22) Date of filing: 28.06.2018

(51) International Patent Classification (IPC):  C09K 5/06(2006.01) F28D 20/02(2006.01) F28D 20/00(2006.01) (86) International application number: PCT/IT2018/050118 (87) International publication number: WO 2019/003256 (03.01.2019 Gazette 2019/01)

(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: 29.06.2017 IT 201700073173 (71) Applicant: Danieli & C. Officine Meccaniche S.p.A. 33042 Buttrio (IT)	(72) Inventors: ZUGLIANO, Alberto 33044 Manzano (IT) MILOCCO, Alessio 33050 Terzo D'Aquileia (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)