(19)

(11)

EP 2 744 942 A1

(12)

(43) Date of publication: 25.06.2014 Bulletin 2014/26 (21) Application number: 12753228.1 (22) Date of filing: 16.08.2012

(51) International Patent Classification (IPC):  E01B 2/00(2006.01) E02D 3/08(2006.01) (86) International application number: PCT/GB2012/052005 (87) International publication number: WO 2013/024299 (21.02.2013 Gazette 2013/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 16.08.2011 GB 201114087 (71) Applicant: Aspin Foundations Limited Derby Derbyshire DE1 1BT (GB)	(72) Inventor: HOFFMAN, Andrew Huthwaite Nottinghamshire NG17 2HU (GB) (74) Representative: Adamson Jones  BioCity Nottingham Pennyfoot Street Nottingham Nottinghamshire NG1 1GF Nottingham Nottinghamshire NG1 1GF (GB)