(19)

(11)

EP 1 301 664 A1

(12)

(43) Date of publication: 16.04.2003 Bulletin 2003/16 (21) Application number: 01931859.1 (22) Date of filing: 17.05.2001

(51) International Patent Classification (IPC)7: E02F 5/10, E02F 3/88, E02F 9/02, B63C 7/08, B63B 43/14, B60F 3/00 (86) International application number: PCT/GB0102/185 (87) International publication number: WO 0109/2649 (06.12.2001 Gazette 2001/49)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 31.05.2000 GB 0013246 14.09.2000 GB 0022662 (71) Applicant: SOIL MACHINE DYNAMICS LIMITED Newcastle-upon-Tyne NE6 3QS (GB)	(72) Inventor: ATKINSON, Paul, Robert Newcastle Upon Tyne NE2 4AL (GB) (74) Representative: Vinsome, Rex Martin  Urquhart-Dykes & LordSt Nicholas ChambersAmen Corner Newcastle-Upon-Tyne NE1 1PE Newcastle-Upon-Tyne NE1 1PE (GB)