(19)

(11)

EP 2 084 563 A1

(12)

(43) Date of publication: 05.08.2009 Bulletin 2009/32 (21) Application number: 06808569.5 (22) Date of filing: 16.11.2006

(51) International Patent Classification (IPC):  G02B 6/44(2006.01) (86) International application number: PCT/GB2006/004280 (87) International publication number: WO 2008/059187 (22.05.2008 Gazette 2008/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: Prysmian Cables & Systems UK Ltd Eastleigh Hampshire SO50 6YU (GB)	(72) Inventor: GRIFFITHS, Ian Hampshire SO50 6YU (GB) (74) Representative: Whitlock, Holly Elizabeth Ann et al R G C Jenkins, 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)