(19)

(11)

EP 1 051 630 A1

(12)

(43) Date of publication: 15.11.2000 Bulletin 2000/46 (21) Application number: 98956994.2 (22) Date of filing: 27.11.1998

(51) International Patent Classification (IPC)7: G01R 22/00 (86) International application number: PCT/GB9803/561 (87) International publication number: WO 0033/091 (08.06.2000 Gazette 2000/23)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Forrest, Andrew Eccleshall,Stafford ST21 6DS (GB)	(72) Inventor: Forrest, Andrew Eccleshall,Stafford ST21 6DS (GB) (74) Representative: Sales, Robert Reginald  Swindell & Pearson,48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)