(19)

(11)

EP 0 172 827 A1

(12)

(43) Date of publication: 05.03.1986 Bulletin 1986/10 (21) Application number: 84902383.0 (22) Date of filing: 01.06.1984

(51) International Patent Classification (IPC):  F28F 1/ 12( . ) F28F 1/ 14( . ) (86) International application number: PCT/SE1984/000210 (87) International publication number: WO 1984/004958 (20.12.1984 Gazette 1984/30)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 07.06.1983 SE 19830003189 (71) Applicant: ALUTHERM AB S-612 01 Finspang (SE)	(72) Inventor: GYLLENSTEN, Jörgen S-610 13 Lotorp (SE)