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(11)

EP 3 440 406 A1

(12)

(43) Date of publication: 13.02.2019 Bulletin 2019/07 (21) Application number: 17720573.9 (22) Date of filing: 03.04.2017

(51) International Patent Classification (IPC):  F23N 1/00(2006.01) F23N 5/10(2006.01) (86) International application number: PCT/IB2017/051889 (87) International publication number: WO 2017/175110 (12.10.2017 Gazette 2017/41)

(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: 04.04.2016 IT UA20162288 (71) Applicant: Defendi Italy S.r.l. 60021 Camerano (IT)	(72) Inventors: LUCHETTA, Paolo 60021 Camerano (IT) NOETH, Werner 60021 Camerano (IT) (74) Representative: Piovesana, Paolo  Via F. Baracca, 5/a 30173 Venezia-Mestre 30173 Venezia-Mestre (IT)