(19)

(11)

EP 0 897 521 A1

(12)

(43) Date of publication: 24.02.1999 Bulletin 1999/08 (21) Application number: 97920612.0 (22) Date of filing: 06.05.1997

(51) International Patent Classification (IPC):  F28F 1/ 40( . ) F28F 9/ 22( . ) (86) International application number: PCT/DK1997/000207 (87) International publication number: WO 1997/042458 (13.11.1997 Gazette 1997/49)

(84) Designated Contracting States: CH DE DK FR GB IT LI (30) Priority: 06.05.1996 DK 19960000535 (71) Applicant: East Consult A/S 8250 Ega (DK)	(72) Inventors: ANDERSEN, Jens, Otto, Ravn DK-8000 Aarhus C (DK) FOERSTER, Jesper DK-8240 Risskov (DK) (74) Representative: Nielsen, Leif, et al  c/o Patrade A/S Store Torv 1 8000 Aarhus C 8000 Aarhus C (DK)