(19)

(11)

EP 2 288 755 A1

(12)

(43) Date of publication: 02.03.2011 Bulletin 2011/09 (21) Application number: 08719086.4 (22) Date of filing: 03.04.2008

(51) International Patent Classification (IPC):  E02B 15/04(2006.01) (86) International application number: PCT/GB2008/050241 (87) International publication number: WO 2009/122117 (08.10.2009 Gazette 2009/41)

(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 (71) Applicant: Lloyd, William Merseyside PR8 2DB (GB)	(72) Inventor: Lloyd, William Merseyside PR8 2DB (GB) (74) Representative: Manley, Nicholas Michael  W.P. Thompson & Co. Coopers Building Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)