(19)

(11)

EP 0 821 807 A1

(12)

(43) Date of publication: 04.02.1998 Bulletin 1998/06 (21) Application number: 96910917.0 (22) Date of filing: 22.04.1996

(51) International Patent Classification (IPC):  G02C 1/ 02( . ) G02C 5/ 22( . ) (86) International application number: PCT/DK1996/000181 (87) International publication number: WO 1996/033438 (24.10.1996 Gazette 1996/47)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 21.04.1995 DK 19950000469 (71) Applicant: Pro Design International A/S 8000 Arhus C (DK)	(72) Inventors: HANSEN, Flemming, Bo DK-1403 Kobenhavn K (DK) BUCK, Kim DK-1406 K benhavn K (DK) (74) Representative: Skoett-Jensen, Knud  K. Skoett-Jensen Patentingenioerer A/S Lemmingvej 225 8361 Hasselager 8361 Hasselager (DK)