(19)

(11)

EP 0 523 039 A1

(12)

(43) Date of publication: 20.01.1993 Bulletin 1993/03 (21) Application number: 90908144.0 (22) Date of filing: 04.04.1990

(51) International Patent Classification (IPC):  F28F 9/ 02( . ) F28F 9/ 22( . ) F28F 9/ 04( . ) (86) International application number: PCT/SE1990/000225 (87) International publication number: WO 1991/015728 (17.10.1991 Gazette 1991/24)

(84) Designated Contracting States: CH DE ES FR GB IT LI (71) Applicant: Malm, Sune S-191 70 Sollentuna (SE)	(72) Inventor: Malm, Sune S-191 70 Sollentuna (SE) (74) Representative: Henningsson, Gunnar, et al  AWAPATENT AB, Box 45086 S-104 30 Stockholm S-104 30 Stockholm (SE)