(19)

(11)

EP 0 796 516 A1

(12)

(43) Date of publication: 24.09.1997 Bulletin 1997/39 (21) Application number: 95939358.0 (22) Date of filing: 07.12.1995

(51) International Patent Classification (IPC):  H02G 15/ 04( . ) (86) International application number: PCT/GB1995/002871 (87) International publication number: WO 1996/018228 (13.06.1996 Gazette 1996/27)

(84) Designated Contracting States: DE ES FR GB IT NL PT (30) Priority: 07.12.1994 GB 19940024685 (71) Applicant: BICC Public Limited Company London W1X 5FH (GB)	(72) Inventors: DOUBLEDAY, Thomas Rainhill Prescot Merseyside L35 8PN (GB) FRIAR, Alan Eccleston St. Helens Merseyside WA10 5DR (GB) (74) Representative: Poole, Michael John, et al  BICC plc Patents and Licensing Department Quantum House Maylands Avenue Hemel Hempstead, Herts. HP2 4SJ Hemel Hempstead, Herts. HP2 4SJ (GB)