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(11)

EP 2 260 275 A1

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(43) Date of publication: 15.12.2010 Bulletin 2010/50 (21) Application number: 08763763.3 (22) Date of filing: 05.03.2008

(51) International Patent Classification (IPC):  G01F 23/38(2006.01) G01F 23/62(2006.01) F17C 13/02(2006.01) G01F 23/54(2006.01) F16K 37/00(2006.01) (86) International application number: PCT/IT2008/000146 (87) International publication number: WO 2009/110012 (11.09.2009 Gazette 2009/37)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (71) Applicant: Cavagna Group S.p.a. 25011 Ponte San Marco - Calcinato (IT)	(72) Inventor: CAVAGNA, Davide I-25010 Calcinatello (IT) (74) Representative: Montevecchi, Emma et al Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18 35122 Padova 35122 Padova (IT)