(19)

(11)

EP 2 029 814 A2

(12)

(88) Date of publication A3: 13.12.2007 (43) Date of publication: 04.03.2009 Bulletin 2009/10 (21) Application number: 07705309.8 (22) Date of filing: 01.03.2007

(51) International Patent Classification (IPC):  E02F 3/40(2006.01) E02F 3/20(2006.01) E02F 3/96(2006.01) E01C 23/088(2006.01) (86) International application number: PCT/GB2007/000725 (87) International publication number: WO 2007/099332 (07.09.2007 Gazette 2007/36)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 01.03.2006 GB 0604181 (71) Applicant: Thomas, Gareth John Near Bridgend CF34 9UG (GB)	(72) Inventor: Thomas, Gareth John Near Bridgend CF34 9UG (GB) (74) Representative: Haslam, Simon David et al Abel & Imray 20, Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)