(19)

(11)

EP 0 777 624 A1

(12)

(43) Date of publication: 11.06.1997 Bulletin 1997/24 (21) Application number: 95930632.0 (22) Date of filing: 04.09.1995

(51) International Patent Classification (IPC):  B66C 1/ 04( . ) H01F 7/ 04( . ) H01F 7/ 02( . ) (86) International application number: PCT/GB1995/002088 (87) International publication number: WO 1996/007610 (14.03.1996 Gazette 1996/12)

(84) Designated Contracting States: DE FR (30) Priority: 02.09.1994 GB 19940017648 (71) Applicants: UNIVERSITY COLLEGE CARDIFF CONSULTANTS LTD. Cardiff CF1 3TE (GB) ORB ELECTRICAL STEELS LIMITED Newport, Gwent NP9 0XT (GB)	(72) Inventors: BASAK, Amitava Lisvane Cardiff CF4 5RT (GB) SHIRAZEE, Nabeel Cathays Cardiff CF2 4LH (GB) (74) Representative: Gibson, Stewart Harry  URQUHART-DYKES & LORD, Three Trinity Court, 21-27 Newport Road Cardiff CF2 1AA Cardiff CF2 1AA (GB)