(19)

(11)

EP 0 656 146 A1

(12)

(43) Date of publication: 07.06.1995 Bulletin 1995/23 (21) Application number: 93919463.0 (22) Date of filing: 20.08.1993

(51) International Patent Classification (IPC):  H01H 11/ 00( . ) (86) International application number: PCT/GB1993/001784 (87) International publication number: WO 1994/005026 (03.03.1994 Gazette 1994/06)

(84) Designated Contracting States: CH DE FR IT LI (30) Priority: 21.08.1992 GB 19920017842 (71) Applicant: UNIVERSITY OF SOUTHAMPTON Highfield, Southampton S09 5NH (GB)	(72) Inventors: McBRIDE, John William Southampton, Hampshire SO2 9FR (GB) WEAVER, Paul Michael Southampton SO2 1EX (GB) (74) Representative: Lally, William  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)