(19)

(11)

EP 0 605 465 A1

(12)

(43) Date of publication: 13.07.1994 Bulletin 1994/28 (21) Application number: 92918737.0 (22) Date of filing: 21.08.1992

(51) International Patent Classification (IPC):  F16K 37/ 00( . ) (86) International application number: PCT/SE1992/000571 (87) International publication number: WO 1993/004291 (04.03.1993 Gazette 1993/06)

(84) Designated Contracting States: AT DE DK ES FR GB IT (30) Priority: 23.08.1991 SE 19910002431 (71) Applicant: HYDRAUTO AB S-931 28 Skelleftea (SE)	(72) Inventor: MARKLUND, Martin S-931 51 Skelleftea (SE) (74) Representative: Onn, Thorsten, et al  AB STOCKHOLMS PATENTBYRA Box 23101 S-104 35 Stockholm S-104 35 Stockholm (SE)