(19)

(11)

EP 2 705 195 A1

(12)

(43) Date of publication: 12.03.2014 Bulletin 2014/11 (21) Application number: 12797298.2 (22) Date of filing: 05.06.2012

(51) International Patent Classification (IPC):  E01H 8/06(2006.01) (86) International application number: PCT/SE2012/000087 (87) International publication number: WO 2012/169950 (13.12.2012 Gazette 2012/50)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 08.06.2011 SE 1100447 (71) Applicant: Railcare Group AB 931 21 Skelleftehamn (SE)	(72) Inventor: MARKLUND, Ulf S-932 91 Burea (SE) (74) Representative: Körber, Martin Hans  Mitscherlich & Partner Patent- und Rechtsanwälte Sonnenstrasse 33 80331 München 80331 München (DE)