(19)

(11)

EP 1 427 963 A1

(12)

(43) Date of publication: 16.06.2004 Bulletin 2004/25 (21) Application number: 02753106.0 (22) Date of filing: 21.08.2002

(51) International Patent Classification (IPC)7: F23B 1/36, F23L 9/02, F24B 1/02 // (A47J36/24, 33:00, F24B1:26) (86) International application number: PCT/FI2002/000685 (87) International publication number: WO 2003/019077 (06.03.2003 Gazette 2003/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.08.2001 FI 20011684 (71) Applicant: Pieti, Pauli 34260 Terälahti (FI)	(72) Inventor: HYTÖNEN, Onni, Ilmari FIN-04360 Tuusula (FI) (74) Representative: Laitinen, Pauli Sakari et al Patentti-Laitinen Oy,P.O. Box 29 02771 Espoo 02771 Espoo (FI)