(19)

(11)

EP 0 721 560 A1

(12)

(43) Date of publication: 17.07.1996 Bulletin 1996/29 (21) Application number: 94929089.0 (22) Date of filing: 06.10.1994

(51) International Patent Classification (IPC):  F28D 9/ 00( . ) F28F 9/ 00( . ) (86) International application number: PCT/SE1994/000934 (87) International publication number: WO 1995/010016 (13.04.1995 Gazette 1995/16)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 06.10.1993 SE 19930003268 (71) Applicant: SENEA HEAT AB S-184 84 Akersberga (SE)	(72) Inventor: STRÖM, Ake S-740 82 Örsundsbro (SE) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB, P.O. Box 10198 100 55 Stockholm 100 55 Stockholm (SE)