(19)

(11)

EP 1 745 179 A1

(12)

(43) Date of publication: 24.01.2007 Bulletin 2007/04 (21) Application number: 05740567.2 (22) Date of filing: 09.05.2005

(51) International Patent Classification (IPC):  E01B 35/06(2006.01) B61K 9/08(2006.01) (86) International application number: PCT/GB2005/001754 (87) International publication number: WO 2005/108676 (17.11.2005 Gazette 2005/46)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 08.05.2004 GB 0410328 (71) Applicant: DeltaRail Group Limited Pride Park Derby DE24 8LY (GB)	(72) Inventors: CHARLES, Richard Alexander Ashbourne, Derbyshire DE6 2FD (GB) MARTIN, Daniel Shepshed, Leicestershire LE12 9SN (GB) (74) Representative: Mansfield, Peter Turquand  Ipsolutions Fugro House Hithercroft Road Wallingford Oxfordshire OX10 9RB Oxfordshire OX10 9RB (GB)