(19)

(11)

EP 0 934 193 A1

(12)

(43) Date of publication: 11.08.1999 Bulletin 1999/32 (21) Application number: 97902760.0 (22) Date of filing: 22.01.1997

(51) International Patent Classification (IPC):  B63H 25/ 02( . ) G05G 9/ 047( . ) B63H 21/ 22( . ) (86) International application number: PCT/NO1997/000017 (87) International publication number: WO 1997/027103 (31.07.1997 Gazette 1997/33)

(84) Designated Contracting States: DK FI GB SE (30) Priority: 23.01.1996 NO 19960000266 (71) Applicant: KVAERNER ASA 0275 Oslo (NO)	(72) Inventor: KVAMSDAL, Rolf N-7041 Trondheim (NO) (74) Representative: Onn, Thorsten, et al  Stockholms Patentbyra P.O. Box 23101 104 35 Stockholm 104 35 Stockholm (SE)