(19)

(11)

EP 1 125 084 A1

(12)

(43) Date of publication: 22.08.2001 Bulletin 2001/34 (21) Application number: 99951269.2 (22) Date of filing: 08.10.1999

(51) International Patent Classification (IPC)7: F17C 3/04 // F17C3:06 (86) International application number: PCT/NO9900/307 (87) International publication number: WO 0025/059 (04.05.2000 Gazette 2000/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 12.10.1998 NO 984763 25.11.1998 NO 985502 (71) Applicant: Norconsult SA 1337 Sandvika (NO)	(72) Inventor: HAUG, Svein, M. N-1394 Nesbru (NO) (74) Representative: Duffy, Assumpta Dympna et al F. R. Kelly & Co.,27 Clyde Road,Ballsbridge Dublin 4 Dublin 4 (IE)