(19)

(11)

EP 1 387 972 A1

(12)

(43) Date of publication: 11.02.2004 Bulletin 2004/07 (21) Application number: 02726540.4 (22) Date of filing: 15.05.2002

(51) International Patent Classification (IPC)7: F16K 31/00 (86) International application number: PCT/SE2002/000922 (87) International publication number: WO 2002/093055 (21.11.2002 Gazette 2002/47)

(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: 17.05.2001 SE 0101739 (71) Applicant: HYDRAUTO AB S-931 28 Skelleftea (SE)	(72) Inventor: MARKLUND, Martin S-931 51 Skelleftea (SE) (74) Representative: Onn, Thorsten et al Zacco Sweden ABP.O. Box 23101 104 35 Stockholm 104 35 Stockholm (SE)