(19)

(11)

EP 1 702 112 A1

(12)

(43) Date of publication: 20.09.2006 Bulletin 2006/38 (21) Application number: 04805963.8 (22) Date of filing: 03.12.2004

(51) International Patent Classification (IPC):  E01F 7/04(2006.01) (86) International application number: PCT/GB2004/005143 (87) International publication number: WO 2005/054579 (16.06.2005 Gazette 2005/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 03.12.2003 GB 0327965 (71) Applicant: Hendrie, William John Brown Armalade, West Lothian EH48 8ZP (GB)	(72) Inventor: Hendrie, William John Brown Armalade, West Lothian EH48 8ZP (GB) (74) Representative: Newell, Campbell et al Marks & Clerk Scotland 19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)