(19)

(11)

EP 2 231 938 A1

(12)

(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 08851779.2 (22) Date of filing: 31.10.2008

(51) International Patent Classification (IPC):  E03D 11/10(2006.01) E03D 5/012(2006.01) (86) International application number: PCT/GB2008/051023 (87) International publication number: WO 2009/066096 (28.05.2009 Gazette 2009/22)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 20.11.2007 GB 0722735 (71) Applicant: Straight Flush Limited Edinburgh EH9 1EF (GB)	(72) Inventor: RAMPEN, William Hugh Salvin Edinburgh EH10 5AN (GB) (74) Representative: Hindle, Alistair Andrew et al Hindle Lowther 66 Hanover Street Edinburgh EH2 1EL Edinburgh EH2 1EL (GB)