(19)

(11)

EP 1 483 510 A1

(12)

(43) Date of publication: 08.12.2004 Bulletin 2004/50 (21) Application number: 03703619.1 (22) Date of filing: 07.02.2003

(51) International Patent Classification (IPC)7: F15B 13/02 // F15B11:22 (86) International application number: PCT/SE2003/000204 (87) International publication number: WO 2003/069165 (21.08.2003 Gazette 2003/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 13.02.2002 SE 0200436 (71) Applicant: ARCOS HYDRAULIK AB S-781 70 Borlänge (SE)	(72) Inventor: SVENSSON, Ulf S-777 94 Söderbärke (SE) (74) Representative: Stenborg, Anders Vilhelm et al Aros Patent AB,P.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)