(19)

(11)

EP 2 016 336 A1

(12)

(43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 06756288.4 (22) Date of filing: 11.05.2006

(51) International Patent Classification (IPC):  F23N 5/12(2006.01) (86) International application number: PCT/IT2006/000352 (87) International publication number: WO 2007/132484 (22.11.2007 Gazette 2007/47)

(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 (71) Applicant: Sit la Precisa S.p.a. 35129 Padova (IT)	(72) Inventor: GIACON, Franco I-35138 Padova (IT) (74) Representative: Montevecchi, Emma et al Cantaluppi & Partners S.r.l., Via Matteotti, 26 35137 Padova 35137 Padova (IT)