(19)

(11)

EP 1 846 620 A2

(12)

(88) Date of publication A3: 28.12.2006 (43) Date of publication: 24.10.2007 Bulletin 2007/43 (21) Application number: 06709711.3 (22) Date of filing: 09.02.2006

(51) International Patent Classification (IPC):  E01F 5/00(2006.01) E01C 3/06(2006.01) (86) International application number: PCT/GB2006/000474 (87) International publication number: WO 2006/085095 (17.08.2006 Gazette 2006/33)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 11.02.2005 GB 0502861 17.08.2005 GB 0516866 (71) Applicant: FORMPAVE HOLDINGS LIMITED Cheltenham, Gloucestershire GL51 0UX (GB)	(72) Inventor: HART, Peter Litton, Bath BA3 4PL (GB) (74) Representative: Coghlan, Judith Elizabeth Kensy et al K.R. Bryer & Co. 7 Gay Street GB-Bath BA1 2PH GB-Bath BA1 2PH (GB)