(19)

(11)

EP 0 870 093 A1

(12)

(43) Date of publication: 14.10.1998 Bulletin 1998/42 (21) Application number: 96944699.0 (22) Date of filing: 23.12.1996

(51) International Patent Classification (IPC):  E02D 31/ 02( . ) E04B 1/ 62( . ) (86) International application number: PCT/NO1996/000311 (87) International publication number: WO 1997/024495 (10.07.1997 Gazette 1997/30)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 27.12.1995 DK 19950000492 (71) Applicant: Oldroyd Systemer A.S. 3766 Sannidal (NO)	(72) Inventor: CHEETHAM, John, O. N-3770 Krager (NO) (74) Representative: Jackson, Peter Arthur, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)