(19)

(11)

EP 1 740 433 A1

(12)

(43) Date of publication: 10.01.2007 Bulletin 2007/02 (21) Application number: 05735906.9 (22) Date of filing: 18.04.2005

(51) International Patent Classification (IPC):  B61B 1/02(2006.01) E01F 13/02(2006.01) (86) International application number: PCT/GB2005/001477 (87) International publication number: WO 2005/100117 (27.10.2005 Gazette 2005/43)

(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: 16.04.2004 GB 0408555 (71) Applicant: Knorr-Bremse Rail Systems (UK) Limited Wiltshire, SN12 6TL (GB)	(72) Inventors: BRADLEY, Ross Wiltshire SN12 6TL (GB) THOMAS, Alan Wiltshire SN12 6TL (GB) HEMMINGS, Mark Wiltshire SN12 6TL (GB) (74) Representative: Moore, David Simon  Jensen & Son 366-368 Old Street London EC1V 9LT London EC1V 9LT (GB)