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(11)

EP 1 370 452 A1

(12)

(43) Date of publication: 17.12.2003 Bulletin 2003/51 (21) Application number: 02704022.9 (22) Date of filing: 13.03.2002

(51) International Patent Classification (IPC)7: B61H 1/00 (86) International application number: PCT/SE0200/452 (87) International publication number: WO 0207/4601 (26.09.2002 Gazette 2002/39)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 20.03.2001 SE 0100959 (71) Applicant: SAB WABCO Aktiebolag 261 24 Landskrona (SE)	(72) Inventor: EMILSSON, Fred S-231 95 Trelleborg (SE) (74) Representative: Petri, Stellan et al Ström & Gulliksson ABBox 41 88 203 13 Malmö 203 13 Malmö (SE)