(19)

(11)

EP 0 662 174 A1

(12)

(43) Date of publication: 12.07.1995 Bulletin 1995/28 (21) Application number: 93905651.0 (22) Date of filing: 22.02.1993

(51) International Patent Classification (IPC):  E01B 35/ 00( . ) (86) International application number: PCT/NO1993/000028 (87) International publication number: WO 1993/017184 (02.09.1993 Gazette 1993/21)

(84) Designated Contracting States: SE (30) Priority: 24.02.1992 NO 19920000713 (71) Applicant: KVAERNER EUREKA A/S N-3401 Lier (NO)	(72) Inventor: KVAERNER EUREKA A/S N-3401 Lier (NO) (74) Representative: Hynell, Magnus, et al  Hynell Patenttjänst AB, Box 2236 S-683 02 Hagfors S-683 02 Hagfors (SE)