(19)

(11)

EP 0 128 943 A1

(12)

(43) Date of publication: 27.12.1984 Bulletin 1984/52 (21) Application number: 84900323.0 (22) Date of filing: 21.12.1983

(51) International Patent Classification (IPC):  F24F 13/ 04( . ) (86) International application number: PCT/SE1983/000466 (87) International publication number: WO 1984/002569 (05.07.1984 Gazette 1984/16)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 21.12.1982 SE 19820007314 (71) Applicant: ÖSTRÖM, Claes S-133 00 Saltsjöbaden (SE)	(72) Inventor: ÖSTRÖM, Claes S-133 00 Saltsjöbaden (SE) (74) Representative: Sedvall, Bengt Gustaf  B. Sedvall Patentbyra Box 7182 S-103 88 Stockholm S-103 88 Stockholm (SE)