(19)

(11)

EP 2 739 862 A2

(12)

(88) Date of publication A3: 04.07.2013 (43) Date of publication: 11.06.2014 Bulletin 2014/24 (21) Application number: 12773383.0 (22) Date of filing: 31.07.2012

(51) International Patent Classification (IPC):  F15B 11/16(2006.01) (86) International application number: PCT/IT2012/000239 (87) International publication number: WO 2013/021404 (14.02.2013 Gazette 2013/07)

(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: 05.08.2011 IT FI20110164 (71) Applicant: Imer International S.p.A. 55036 Poggibonsi (SI) (IT)	(72) Inventor: BERTINI, Antonio I-50052 Certaldo (IT) (74) Representative: Mincone, Antimo  Viale Europa 101 IT-50126 Firenze IT-50126 Firenze (IT)