(19)

(11)

EP 1 034 401 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 97912588.7 (22) Date of filing: 30.09.1997

(51) International Patent Classification (IPC)7: F23Q 25/00, F23B 1/30, F23L 9/00, F23M 13/00 (86) International application number: PCT/SE9701/643 (87) International publication number: WO 9917/061 (08.04.1999 Gazette 1999/14)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (71) Applicant: E.K. Teknik Utveckling AB 429 34 Kullavik (SE)	(72) Inventor: DANIELSSON, Björn S-430 41 Kullavik (SE) (74) Representative: Cederbom, Hans Erik August et al Cegumark AB,Box 53047 400 14 Göteborg 400 14 Göteborg (SE)