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(11)

EP 3 791 117 A1

(12)

(43) Date of publication: 17.03.2021 Bulletin 2021/11 (21) Application number: 19729832.6 (22) Date of filing: 07.05.2019

(51) International Patent Classification (IPC):  F24H 9/14(2006.01) H05B 3/44(2006.01) F24H 9/18(2006.01) F24H 1/10(2006.01) F24H 1/14(2006.01) (86) International application number: PCT/IB2019/053722 (87) International publication number: WO 2019/215602 (14.11.2019 Gazette 2019/46)

(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: 07.05.2018 IT 201800005109 (71) Applicant: I.R.C.A. S.p.a. Industria Resistenze Corazzate e Affini 31029 Vittorio Veneto (IT)	(72) Inventors: ZOPPAS, Federico 31100 Treviso (IT) ZANETTE, Giuliano 31026 Sarmede (IT) BIASI, Maurizio 31043 Fontanelle (IT) DURIGON, Giacomo 31055 Quinto di Treviso (IT) (74) Representative: Celona, Antonio et al Notarbartolo & Gervasi S.p.A. Viale Achille Papa, 30 20149 Milano 20149 Milano (IT)