(19)

(11)

EP 1 644 585 A1

(12)

(43) Date of publication: 12.04.2006 Bulletin 2006/15 (21) Application number: 04749016.4 (22) Date of filing: 17.06.2004

(51) International Patent Classification (IPC):  E01H 5/00(1968.09) B60T 8/00(1968.09) (86) International application number: PCT/SE2004/000977 (87) International publication number: WO 2005/007973 (27.01.2005 Gazette 2005/04)

(84) Designated Contracting States: DE ES FI FR GB IT (30) Priority: 16.07.2003 SE 0302084 (71) Applicant: Nira Dynamics AB 583 30 Linköping (SE)	(72) Inventor: GUSTAFSSON, Fredrik S-586 66 Linköping (SE) (74) Representative: Herbjörnsen, Rut et al Albihns Stockholm AB P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)