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EP 1 730 009 A1

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(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05708395.8 (22) Date of filing: 18.02.2005

(51) International Patent Classification (IPC):  B61L 27/00(2006.01) B61L 23/04(2006.01) (86) International application number: PCT/GB2005/000596 (87) International publication number: WO 2005/095175 (13.10.2005 Gazette 2005/41)

(84) Designated Contracting States: GB NL (30) Priority: 27.03.2004 GB 0406920 21.07.2004 GB 0416264 (71) Applicant: DeltaRail Group Limited Pride Park Derby DE24 8LY (GB)

(72) Inventors: TUNLEY, John, David Allestree, Derbyshire DE22 2UY (GB) BROWN, Stuart, Duncan Burton on Trent, Staffordshire DE13 9AB (GB) POOLE, William Alvaston, Derbyshire DE24 0LN (GB) MITCHELL, Ian, Hope Long Eaton, Nottinghamshire NG10 3LY (GB) (74) Representative: Mansfield, Peter Turquand  IP Solutions Fugro House Hithercroft Road GB-Wallingford, Oxon OX10 9RB GB-Wallingford, Oxon OX10 9RB (GB)