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(11)

EP 1 387 985 A1

(12)

(43) Date of publication: 11.02.2004 Bulletin 2004/07 (21) Application number: 02732670.1 (22) Date of filing: 17.04.2002

(51) International Patent Classification (IPC)7: F23D 14/60, F23D 14/14 (86) International application number: PCT/EP2002/004577 (87) International publication number: WO 2002/095294 (28.11.2002 Gazette 2002/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 18.05.2001 EP 01201886 (71) Applicant: Bekaert Combustion Technology B.V. NL-9403 AR Assen (NL)	(72) Inventors: TEN HOEVE, Dirk NL-7961 LD Ruinerwold (NL) VAN WIJK, Arnold NL-9405 PH Assen (NL) (74) Representative: Messely, Marc  N.V. Bekaert S.A.Department of Industrial PropertyBekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)