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(11)

EP 3 221 037 A1

(12)

(43) Date of publication: 27.09.2017 Bulletin 2017/39 (21) Application number: 15820262.2 (22) Date of filing: 17.11.2015

(51) International Patent Classification (IPC):  B01F 5/04(2006.01) B01F 3/02(2006.01) B01F 3/00(2006.01) B01F 15/04(2006.01) F17D 3/12(2006.01) (86) International application number: PCT/IB2015/058885 (87) International publication number: WO 2016/079673 (26.05.2016 Gazette 2016/21)

(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: 18.11.2014 IT VI20140298 (71) Applicant: Pietro Fiorentini S.p.A. 36057 Arcugnano (VI) (IT)	(72) Inventor: DI DOMENICO, Renato I-31100 Treviso (IT) (74) Representative: Marchioro, Paolo  Studio Bonini S.r.l. Corso Fogazzaro, 8 36100 Vicenza 36100 Vicenza (IT)