(19)

(11)

EP 0 879 320 A1

(12)

(43) Date of publication: 25.11.1998 Bulletin 1998/48 (21) Application number: 97902503.0 (22) Date of filing: 06.02.1997

(51) International Patent Classification (IPC):  E01F 9/ 011( . ) (86) International application number: PCT/GB1997/000352 (87) International publication number: WO 1997/029242 (14.08.1997 Gazette 1997/35)

(84) Designated Contracting States: DE ES FR GB (30) Priority: 08.02.1996 GB 19960002557 (71) Applicant: Jesse Hodges & Co. Limited Glaston, Oakham, Rutland, Leicestershire LE15 9BN (GB)	(72) Inventor: HODGES, David Oakham, Rutland, Leicestershire LE15 9BN (GB) (74) Representative: Findlay, Alice Rosemary, et al  Lloyd Wise, Tregear & Co., Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)