(19)

(11)

EP 1 529 184 A1

(12)

(43) Date of publication: 11.05.2005 Bulletin 2005/19 (21) Application number: 03771061.3 (22) Date of filing: 21.07.2003

(51) International Patent Classification (IPC)7: F24D 19/02 (86) International application number: PCT/EP2003/007919 (87) International publication number: WO 2004/011853 (05.02.2004 Gazette 2004/06)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 24.07.2002 EP 02425476 (71) Applicant: Roby System S.A.S. Di Giaretti Roberto 14100 Asti (IT)	(72) Inventor: GIARETTI, Roberto I-14100 Asti (IT) (74) Representative: Robba, Pierpaolo  INTERPATENT S.R.L.,Via Caboto No.35 10129 Torino 10129 Torino (IT)