(19)

(11)

EP 0 916 060 A1

(12)

(43) Date of publication: 19.05.1999 Bulletin 1999/20 (21) Application number: 97932060.0 (22) Date of filing: 06.06.1997

(51) International Patent Classification (IPC):  F21V 21/ 38( . ) (86) International application number: PCT/SE1997/000993 (87) International publication number: WO 1998/058207 (23.12.1998 Gazette 1998/51)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (71) Applicant: CEDERSTRÖM, Rolf S-116 49 Stockholm (SE)	(72) Inventor: CEDERSTRÖM, Rolf S-116 49 Stockholm (SE) (74) Representative: Sedvall, Bengt Gustaf  Bergenstrahle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)