(19)

(11)

EP 1 040 230 A1

(12)

(43) Date of publication: 04.10.2000 Bulletin 2000/40 (21) Application number: 99934926.9 (22) Date of filing: 21.07.1999

(51) International Patent Classification (IPC)7: E01F 9/011, E01F 13/02 (86) International application number: PCT/GB9902/375 (87) International publication number: WO 0005/456 (03.02.2000 Gazette 2000/05)

(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: 21.07.1998 GB 9815887 14.12.1998 GB 9827522 (71) Applicant: Taylor, Larry Whitehall,Bristol BS5 7DS (GB)	(72) Inventor: Taylor, Larry Whitehall,Bristol BS5 7DS (GB) (74) Representative: Harrison, Ivor Stanley et al Withers & Rogers,Goldings House, 2 Hays Lane London SE1 2HW London SE1 2HW (GB)