(19)

(11)

EP 0 096 049 A1

(12)

(43) Date of publication: 21.12.1983 Bulletin 1983/51 (21) Application number: 82903467.0 (22) Date of filing: 24.11.1982

(51) International Patent Classification (IPC):  G01R 31/ 327( . ) H02H 3/ 04( . ) (86) International application number: PCT/GB1982/000333 (87) International publication number: WO 1983/002041 (09.06.1983 Gazette 1983/14)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 26.11.1981 GB 19810035784 (71) Applicant: British Nuclear Fuels PLC Risley Warrington Cheshire, WA3 6AS (GB)	(72) Inventors: WILBRAHAM, Paul Kevin Chester (GB) SAYERS, Martin Richard Greater Manchester (GB) (74) Representative: Dunnill, Laurence Arthur  Patents Branch United Kingdom Atomic Energy Authority 11 Charles II Street London SW1Y 4QP London SW1Y 4QP (GB)