(19)

(11)

EP 1 090 255 A1

(12)

(43) Date of publication: 11.04.2001 Bulletin 2001/15 (21) Application number: 99933370.1 (22) Date of filing: 23.06.1999

(51) International Patent Classification (IPC)7: F23B 1/30 // (F23B1/38, F23H13:02) (86) International application number: PCT/SE9901/130 (87) International publication number: WO 0001/987 (13.01.2000 Gazette 2000/02)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.06.1998 SE 9802239 (71) Applicant: Larsson, Bertil 810 64 Karlholmsbruk (SE)	(72) Inventor: Larsson, Bertil 810 64 Karlholmsbruk (SE) (74) Representative: Olsson, Jan et al Bjerkéns Patentbyra KBP.O.Box 1274 801 37 Gävle 801 37 Gävle (SE)