(19)

(11)

EP 0 592 416 A1

(12)

(43) Date of publication: 20.04.1994 Bulletin 1994/16 (21) Application number: 91911973.0 (22) Date of filing: 11.06.1991

(51) International Patent Classification (IPC):  F16K 11/ 085( . ) (86) International application number: PCT/SE1991/000419 (87) International publication number: WO 1991/019923 (26.12.1991 Gazette 1991/29)

(84) Designated Contracting States: DE IT (30) Priority: 11.06.1990 SE 19900002069 (71) Applicant: HIAB AB S-824 01 Hudiksvall (SE)	(72) Inventor: LINDMARK, Gunnar S-824 00 Hudiksvall (SE) (74) Representative: Perklev, Karin Cecilia, et al  AWAPATENT AB, P.O. Box 5117 200 71 Malmö 200 71 Malmö (SE)