(19)

(11)

EP 0 159 319 A1

(12)

(43) Date of publication: 30.10.1985 Bulletin 1985/44 (21) Application number: 84900332.0 (22) Date of filing: 22.12.1983

(51) International Patent Classification (IPC):  F21V 21/ 38( . ) (86) International application number: PCT/SE1983/000475 (87) International publication number: WO 1984/002567 (05.07.1984 Gazette 1984/16)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 23.12.1982 SE 19820007360 (71) Applicant: CEDERSTRÖM, Rolf S-116 49 Stockholm (SE)	(72) Inventor: CEDERSTRÖM, Rolf S-116 49 Stockholm (SE)