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(11)

EP 1 421 517 A1

(12)

(43) Date of publication: 26.05.2004 Bulletin 2004/22 (21) Application number: 02746220.9 (22) Date of filing: 31.07.2002

(51) International Patent Classification (IPC)7: G06F 17/30, G06F 9/44 (86) International application number: PCT/NO2002/000274 (87) International publication number: WO 2003/012690 (13.02.2003 Gazette 2003/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 01.08.2001 NO 20013784 (71) Applicant: Berg-Jacobsen Holding AS N-0454 Oslo (NO)	(72) Inventors: BJ RNEMYR, Jan-Thore N-2317 Hamar (NO) SJ GREN, Bj rn-Harald N-1406 Ski (NO) (74) Representative: Briddes, Sam  Onsagers Ltdc/o Norwegian Trade Council5 Lower Regent Street London SW1Y 4LR London SW1Y 4LR (GB)