(19)

(11)

EP 1 834 134 A2

(12)

(88) Date of publication A3: 19.10.2006 (43) Date of publication: 19.09.2007 Bulletin 2007/38 (21) Application number: 05826383.1 (22) Date of filing: 19.12.2005

(51) International Patent Classification (IPC):  F24H 9/14(2006.01) F24D 3/08(2006.01) F24H 1/50(2006.01) F24H 1/52(2006.01) F24D 3/10(2006.01) (86) International application number: PCT/IB2005/003978 (87) International publication number: WO 2006/070282 (06.07.2006 Gazette 2006/27)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 28.12.2004 IT BO20040821 (71) Applicant: Vaiani, Renato I-06019 Umbertide (IT)	(72) Inventor: Vaiani, Renato I-06019 Umbertide (IT) (74) Representative: Lanzoni, Luciano et al c/o BUGNION S.p.A. Via Goito, 18 40126 Bologna 40126 Bologna (IT)