(19)

(11)

EP 2 553 268 A1

(12)

(43) Date of publication: 06.02.2013 Bulletin 2013/06 (21) Application number: 10718713.0 (22) Date of filing: 29.03.2010

(51) International Patent Classification (IPC):  F04B 39/08(2006.01) F04B 49/22(2006.01) F04B 39/12(2006.01) (86) International application number: PCT/IT2010/000129 (87) International publication number: WO 2011/121618 (06.10.2011 Gazette 2011/40)

(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 (71) Applicant: Officine Mario Dorin S.p.A Frazione Compiobbi 50061 Fiesole (FI) (IT)	(72) Inventor: DALLAI, Mauro I-50126 Firenze (IT) (74) Representative: Mannucci, Michele et al Ufficio Tecnico Ing.A. Mannucci Via della Scala 4 50123 Firenze 50123 Firenze (IT)