(19)

(11)

EP 1 161 637 A1

(12)

(43) Date of publication: 12.12.2001 Bulletin 2001/50 (21) Application number: 00907761.1 (22) Date of filing: 01.03.2000

(51) International Patent Classification (IPC)7: F16L 7/02, H02G 3/04 (86) International application number: PCT/GB0000/739 (87) International publication number: WO 0055/535 (21.09.2000 Gazette 2000/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.03.1999 GB 9905743 (71) Applicant: Federal-Mogul Technology Limited Rugby,Warwickshire CV22 7SA (GB)	(72) Inventors: ATKINSON, Alan William Nr Rugby,Northamptonshire CV23 8TJ (GB) WALSH, Melanie Jane Nr Daventry,Northamptonshire NN11 7JT (GB) WEST, Adam Martin Rugby,Warwickshire CV22 5NA (GB) (74) Representative: Drury, Peter Lawrence et al Cawston House,Cawston Lane Rugby,Warwickshire, CV22 7SA Rugby,Warwickshire, CV22 7SA (GB)