(19)

(11)

EP 0 227 647 A1

(12)

(43) Date of publication: 08.07.1987 Bulletin 1987/28 (21) Application number: 85903077.0 (22) Date of filing: 03.06.1985

(51) International Patent Classification (IPC):  F24C 7/ 06( . ) (86) International application number: PCT/SE1985/000230 (87) International publication number: WO 1985/005670 (19.12.1985 Gazette 1985/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.06.1984 SE 19840003002 (71) Applicant: FRICO AB S-433 22 Partille (SE)	(72) Inventor: JÖNSSON, Jerry S-443 00 Lerum (SE)