(19)

(11)

EP 1 859 206 A1

(12)

(43) Date of publication: 28.11.2007 Bulletin 2007/48 (21) Application number: 06711444.7 (22) Date of filing: 03.03.2006

(51) International Patent Classification (IPC):  F24J 2/24(2006.01) (86) International application number: PCT/IT2006/000128 (87) International publication number: WO 2006/092821 (08.09.2006 Gazette 2006/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 04.03.2005 IT TO20050141 (71) Applicants: Jona, Roberto 10132 Torino (IT) Rosso, Luigino 10099 San Mauro Torinese TO (IT)	(72) Inventors: Jona, Roberto 10132 Torino (IT) Rosso, Luigino 10099 San Mauro Torinese TO (IT) (74) Representative: Lecomte, Didier et al DENNEMEYER & ASSOCIATES S.A. P.O. Box 1502 1015 Luxembourg 1015 Luxembourg (LU)