(19)

(11)

EP 0 865 625 A2

(12)

(43) Date of publication: 23.09.1998 Bulletin 1998/39 (21) Application number: 96941124.0 (22) Date of filing: 04.12.1996

(51) International Patent Classification (IPC):  G02B 5/ 09( . ) G02B 26/ 10( . ) G02B 5/ 10( . ) G02B 26/ 12( . ) (86) International application number: PCT/GB1996/002993 (87) International publication number: WO 1997/021131 (12.06.1997 Gazette 1997/25)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 05.12.1995 GB 19950024884 (71) Applicants: Capey, Martin Swansea SA6 5TA (GB) Maillaud, Fabrice Swansea SA1 4HW (GB) Jones, Gareth Swansea SA6 5TA (GB)	(72) Inventors: Capey, Martin Swansea SA6 5TA (GB) Maillaud, Fabrice Swansea SA1 4HW (GB) Jones, Gareth Swansea SA6 5TA (GB) (74) Representative: Davies, Gregory Mark, et al  Urquhart-Dykes & Lord Alexandra House 1 Alexandra Road Wales Swansea, Wales SA1 5ED Swansea, Wales SA1 5ED (GB)