(19)

(11)

EP 2 513 531 A1

(12)

(43) Date of publication: 24.10.2012 Bulletin 2012/43 (21) Application number: 10810885.3 (22) Date of filing: 15.12.2010

(51) International Patent Classification (IPC):  F16K 31/06(2006.01) (86) International application number: PCT/IB2010/055839 (87) International publication number: WO 2011/073924 (23.06.2011 Gazette 2011/25)

(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 (30) Priority: 16.12.2009 IT MI20092204 (71) Applicant: Ceme S.p.A. 20144 Milano (IT)	(72) Inventor: BOTTINELLI, Claudio I-20144 Milano (IT) (74) Representative: Tarabbia, Luigi  Bugnion S.p.A Viale Lancetti, 17 I-20158 Milano I-20158 Milano (IT)