(19)

(11)

EP 2 013 540 A2

(12)

(88) Date of publication A3: 20.03.2008 (43) Date of publication: 14.01.2009 Bulletin 2009/03 (21) Application number: 07735539.4 (22) Date of filing: 18.04.2007

(51) International Patent Classification (IPC):  F23L 17/12(2006.01) (86) International application number: PCT/IB2007/051400 (87) International publication number: WO 2007/125457 (08.11.2007 Gazette 2007/45)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 02.05.2006 IT BS20060021 U (71) Applicant: SI.AL. S.R.L. 25030 Brandico (BS) (IT)	(72) Inventors: MIGLIO, Simone 25030 Brandico (BS) (IT) GANDELLINI, Alberto 25030 Brandico (BS) (IT) (74) Representative: Tirloni, Bartolomeo  Bugnion S.p.A. Via Dante, 17 25122 Brescia 25122 Brescia (IT)