(19)

(11)

EP 0 145 767 A1

(12)

(43) Date of publication: 26.06.1985 Bulletin 1985/26 (21) Application number: 84902472.0 (22) Date of filing: 14.06.1984

(51) International Patent Classification (IPC):  F23D 11/ 40( . ) (86) International application number: PCT/SE1984/000223 (87) International publication number: WO 1985/000051 (03.01.1985 Gazette 1985/01)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL (30) Priority: 14.06.1983 SE 19830003380 (71) Applicant: SANDSTRÖM, Christer S-182 62 Djursholm (SE)	(72) Inventor: SANDSTRÖM, Christer S-182 62 Djursholm (SE) (74) Representative: Avellan-Hultman, Olle  Avellan-Hultman Patentbyra AB P.O. Box 5366 S-102 49 Stockholm S-102 49 Stockholm (SE)