(19)

(11)

EP 0 204 811 A1

(12)

(43) Date of publication: 17.12.1986 Bulletin 1986/51 (21) Application number: 86900328.0 (22) Date of filing: 11.12.1985

(51) International Patent Classification (IPC):  F23D 11/ 00( . ) F23D 11/ 44( . ) (86) International application number: PCT/SE1985/000516 (87) International publication number: WO 1986/003572 (19.06.1986 Gazette 1986/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 11.12.1984 SE 19840006273 (71) Applicant: AB OPTIMUS S-171 48 Solna (SE)	(72) Inventor: WITIKAINEN, Matti S-335 00 Gnosjö (SE)