(19)

(11)

EP 3 322 898 A1

(12)

(43) Date of publication: 23.05.2018 Bulletin 2018/21 (21) Application number: 15787697.0 (22) Date of filing: 14.07.2015

(51) International Patent Classification (IPC):  F04C 2/12(2006.01) F04C 2/16(2006.01) (86) International application number: PCT/IT2015/000185 (87) International publication number: WO 2017/009877 (19.01.2017 Gazette 2017/03)

(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 (71) Applicant: 3p Prinz S.r.l. 55100 Lucca (LU) (IT)	(72) Inventor: MARIANETTI, Silvia 55012 Capannori (LU) (IT) (74) Representative: Emmi, Mario  Studio Brevetti Turini Srl Viale Matteotti, 25 50121 Firenze (FI) 50121 Firenze (FI) (IT)