(19)

(11)

EP 2 340 370 A2

(12)

(88) Date of publication A3: 22.07.2010 (43) Date of publication: 06.07.2011 Bulletin 2011/27 (21) Application number: 09810818.6 (22) Date of filing: 09.10.2009

(51) International Patent Classification (IPC):  F04B 43/00(2006.01) F04B 43/12(2006.01) (86) International application number: PCT/IB2009/007097 (87) International publication number: WO 2010/041136 (15.04.2010 Gazette 2010/15)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 09.10.2008 IT RA20080042 (71) Applicant: Ragazzini S.r.l. 40818 Faenza (IT)	(72) Inventors: BARUZZI, Roberto I-48026 Russi (RA) (IT) VESPIGNANI, Gianluca I-48018 Faenza (RA) (IT) (74) Representative: Roncuzzi, Davide  Roncuzzi & Associati S.r.l. Via Antica Zecca, 6 48121 Ravenna 48121 Ravenna (IT)