(19)

(11)

EP 2 483 483 A1

(12)

(43) Date of publication: 08.08.2012 Bulletin 2012/32 (21) Application number: 10766099.5 (22) Date of filing: 27.09.2010

(51) International Patent Classification (IPC):  E03D 1/14(2006.01) (86) International application number: PCT/GB2010/051608 (87) International publication number: WO 2011/039530 (07.04.2011 Gazette 2011/14)

(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 SE SI SK SM TR (30) Priority: 29.09.2009 GB 0917000 (71) Applicant: FROST, Douglas, Robert, David Burntwood, Staffordshire WS7 9LD (GB)	(72) Inventor: FROST, Douglas, Robert, David Burntwood, Staffordshire WS7 9LD (GB) (74) Representative: Wilson Gunn  Charles House 148/9 Great Charles Street Birmingham B3 3HT Birmingham B3 3HT (GB)