(19)

(11)

EP 1 027 584 A2

(12)

(88) Date of publication A3: 02.09.1999 (43) Date of publication: 16.08.2000 Bulletin 2000/33 (21) Application number: 98950215.8 (22) Date of filing: 29.10.1998

(51) International Patent Classification (IPC)7: G01M 3/24 (86) International application number: PCT/GB9803/231 (87) International publication number: WO 9922/214 (06.05.1999 Gazette 1999/18)

(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: 29.10.1997 GB 9722871 (71) Applicants: Denby, Carl Selby,North Yorkshire YO8 4HL (GB) Denby, James Edward Selby,North Yorkshire YO8 4HL (GB)	(72) Inventors: Denby, Carl Selby,North Yorkshire YO8 4HL (GB) Denby, James Edward Selby,North Yorkshire YO8 4HL (GB) (74) Representative: Spaargaren, Jerome et al R.G.C. Jenkins & Co.,26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)