(19)

(11)

EP 1 240 698 A1

(12)

(43) Date of publication: 18.09.2002 Bulletin 2002/38 (21) Application number: 00985557.8 (22) Date of filing: 14.12.2000

(51) International Patent Classification (IPC)7: H02G 7/00 (86) International application number: PCT/GB0004/799 (87) International publication number: WO 0104/5223 (21.06.2001 Gazette 2001/25)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 16.12.1999 EP 99310207 (71) Applicant: PIRELLI GENERAL plc London W1X 6BU (GB)	(72) Inventors: SUTEHALL, Ralph Abertillery,Gwent NP3 2BA (GB) ARMITAGE, Sam Caerphilly,Gwent CF8 2NR (GB) (74) Representative: Abbie, Andrew Kenneth et al R.G.C. Jenkins & Co.26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)