(19)
(11) EP 1 348 057 A1

(12)

(43) Date of publication:
01.10.2003 Bulletin 2003/40

(21) Application number: 01272123.9

(22) Date of filing: 24.12.2001
(51) International Patent Classification (IPC)7E01B 27/04, E02F 7/02, E02F 3/20, E02F 5/22
(86) International application number:
PCT/GB0105/796
(87) International publication number:
WO 0205/2105 (04.07.2002 Gazette 2002/27)
(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: 22.12.2000 GB 0031480

(71) Applicants:
  • DBT GB Limited
    Motherwell, Lanarkshire ML1 1SN (GB)
  • Jarvis Fastline Limited
    York, North Yorkshire Y01 6JZ (GB)

(72) Inventors:
  • STEEL, Allan, Law
    Greenhills,East Kilbride G75 9JX (GB)
  • DAVIES, William, Richard
    Sutton upon Derwent,York YO41 4JX (GB)

(74) Representative: Harrison Goddard Foote 
Belgrave Hall Belgrave Street
Leeds LS2 8DD
Leeds LS2 8DD (GB)

   


(54) BALLAST REMOVAL METHOD AND APPARATUS