(19)

(11)

EP 1 409 966 A1

(12)

(43) Date of publication: 21.04.2004 Bulletin 2004/17 (21) Application number: 00965242.1 (22) Date of filing: 21.09.2000

(51) International Patent Classification (IPC)7: G01F 1/74, G01F 1/44, G01F 15/08 (86) International application number: PCT/US2000/025865 (87) International publication number: WO 2001/022041 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 22.09.1999 US 400946 22.09.1999 US 401375 (71) Applicant: Bechtel BWXT Idaho, LLC Idaho Falls, ID 83415-3899 (US)	(72) Inventor: FINCKE, James, R. Idaho Falls, ID 83402 (US) (74) Representative: Evens, Paul Jonathan et al Maguire Boss,5 Crown Street St. Ives,Cambridge PE27 5EB St. Ives,Cambridge PE27 5EB (GB)