(19)

(11)

EP 2 359 075 A2

(12)

(88) Date of publication A3: 16.09.2010 (43) Date of publication: 24.08.2011 Bulletin 2011/34 (21) Application number: 09801808.8 (22) Date of filing: 25.11.2009

(51) International Patent Classification (IPC):  F24J 2/52(2006.01) F24J 2/54(2006.01) (86) International application number: PCT/IT2009/000532 (87) International publication number: WO 2010/064271 (10.06.2010 Gazette 2010/23)

(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: 01.12.2008 IT RM20080638 (71) Applicant: Caldani S.R.L. 00050 Torre in Pietra, RM (IT)	(72) Inventors: CALDANI, Marco 00050 Torre in Pietra RM (IT) BRODOLINI, Luca 00050 Torre in Pietra RM Italy (IT) (74) Representative: Raimondi, Adriana et al Cavattoni - Raimondi, Viale dei Parioli, 160 00197 Roma 00197 Roma (IT)