(19)

(11)

EP 1 073 800 A1

(12)

(43) Date of publication: 07.02.2001 Bulletin 2001/06 (21) Application number: 99915890.0 (22) Date of filing: 08.04.1999

(51) International Patent Classification (IPC)7: E02F 5/10 (86) International application number: PCT/GB9901/083 (87) International publication number: WO 9954/556 (28.10.1999 Gazette 1999/43)

(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: 21.04.1998 GB 9808370 (71) Applicant: SOIL MACHINE DYNAMICS LIMITED Newcastle-upon-Tyne NE6 3QS (GB)	(72) Inventor: REECE, Alan, Richard WylamNorthumberland NE41 8HU (GB) (74) Representative: Vinsome, Rex Martin  Urquhart-Dykes & LordSt Nicholas ChambersAmen Corner Newcastle-Upon-Tyne NE1 1PE Newcastle-Upon-Tyne NE1 1PE (GB)