(19)

(11)

EP 0 106 866 A1

(12)

(43) Date of publication: 02.05.1984 Bulletin 1984/18 (21) Application number: 83901256.0 (22) Date of filing: 13.04.1983

(51) International Patent Classification (IPC):  F24D 11/ 02( . ) F24H 4/ 02( . ) (86) International application number: PCT/SE1983/000135 (87) International publication number: WO 1983/003662 (27.10.1983 Gazette 1983/25)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 14.04.1982 SE 19820002327 (71) Applicant: GRÄNGES ALUMINIUM AKTIEBOLAG S-181 23 Lidingö (SE)	(72) Inventor: KASTRÖM, Per-Olof S-612 00 Finspang (SE)