(19)

(11)

EP 0 988 455 A1

(12)

(43) Date of publication: 29.03.2000 Bulletin 2000/13 (21) Application number: 98929987.0 (22) Date of filing: 11.06.1998

(51) International Patent Classification (IPC)7: F15B 15/28 (86) International application number: PCT/SE9801/132 (87) International publication number: WO 9857/068 (17.12.1998 Gazette 1998/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 11.06.1997 SE 9702218 (71) Applicant: AB MULTIDOCK HYDRAULIC 416 64 Göteborg (SE)	(72) Inventor: PETTERSSON, Thomas S-436 35 Askim (SE) (74) Representative: Hammond, Andrew David et al Goteborgs Patentbyra Dahls AB,Sjoporten 4 417 64 Goteborg 417 64 Goteborg (SE)