(19)

(11)

EP 0 676 023 A1

(12)

(43) Date of publication: 11.10.1995 Bulletin 1995/41 (21) Application number: 94904017.0 (22) Date of filing: 14.12.1993

(51) International Patent Classification (IPC):  F23G 5/ 16( . ) F23M 9/ 06( . ) F23L 1/ 02( . ) (86) International application number: PCT/NO1993/000191 (87) International publication number: WO 1994/015148 (07.07.1994 Gazette 1994/15)

(84) Designated Contracting States: AT BE CH DE DK FR GB IE IT LI LU MC NL PT SE (30) Priority: 28.12.1992 NO 19920005023 (71) Applicant: SINVENT A/S N-7034 Trondheim (NO)	(72) Inventors: ROSVOLD, Helge N-7032 Trondheim (NO) ÖSTERBÖ, Erling, A. N-7081 Sjetnemarka (NO) (74) Representative: Willquist, Bo, et al  Albihn Willquist AB S:t Larsgatan 23 S-582 24 Linköping S-582 24 Linköping (SE)