(19)

(11)

EP 3 622 219 A1

(12)

(43) Date of publication: 18.03.2020 Bulletin 2020/12 (21) Application number: 18724324.1 (22) Date of filing: 17.04.2018

(51) International Patent Classification (IPC):  F23D 14/04(2006.01) F23N 5/24(2006.01) F23N 5/06(2006.01) F23D 14/76(2006.01) F23N 5/10(2006.01) (86) International application number: PCT/IB2018/052657 (87) International publication number: WO 2018/207040 (15.11.2018 Gazette 2018/46)

(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: 09.05.2017 IT 201700050203 (71) Applicant: SABAF S.p.A. 25035 Ospitaletto (BS) (IT)	(72) Inventor: DORA, Massimo 25035 Ospitaletto (BS) (IT) (74) Representative: Marietti, Andrea  Marietti, Gislon e Trupiano S.r.l. Via Larga, 16 20122 Milano 20122 Milano (IT)