(19)

(11)

EP 1 511 968 A2

(12)

(88) Date of publication A3: 05.02.2004 (43) Date of publication: 09.03.2005 Bulletin 2005/10 (21) Application number: 03732902.6 (22) Date of filing: 06.06.2003

(51) International Patent Classification (IPC)7: F28F 3/08 (86) International application number: PCT/IB2003/002594 (87) International publication number: WO 2003/106909 (24.12.2003 Gazette 2003/52)

(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: 13.06.2002 IT MO20020163 (71) Applicant: WORGAS BRUCIATORI S.R.L. I-41043 Formigine (IT)	(72) Inventor: GILIOLI, Massimo I-41042 Sassuolo (IT) (74) Representative: Crugnola, Pietro  Luppi Crugnola Bergamini & Partners S.r.l.Viale Corassori, 54 41100 Modena 41100 Modena (IT)