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(11)

EP 3 108 181 A1

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(43) Date of publication: 28.12.2016 Bulletin 2016/52 (21) Application number: 15711846.4 (22) Date of filing: 17.02.2015

(51) International Patent Classification (IPC):  F23K 3/16(2006.01) F24B 1/02(2006.01) F24C 15/34(2006.01) F23B 40/08(2006.01) F24B 1/24(2006.01) (86) International application number: PCT/IB2015/051161 (87) International publication number: WO 2015/121848 (20.08.2015 Gazette 2015/33)

(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 (30) Priority: 17.02.2014 IT VR20140042 (71) Applicant: Gruppo Piazzetta S.r.l. 31011 Casella d'Asolo (TV) (IT)	(72) Inventors: PIAZZETTA, Carlo I-31011 Asolo (Treviso) (IT) DE ZEN, Fabio I-31011 Asolo (Treviso) (IT) BORDIGNON, Michele I-31011 Asolo (Treviso) (IT) (74) Representative: Feltrinelli, Secondo Andrea  APTA S.r.l. Patent Department Via Ca' di Cozzi, 41 37124 Verona 37124 Verona (IT)