(19)

(11)

EP 2 038 494 A2

(12)

(88) Date of publication A3: 13.03.2008 (43) Date of publication: 25.03.2009 Bulletin 2009/13 (21) Application number: 07733463.9 (22) Date of filing: 05.07.2007

(51) International Patent Classification (IPC):  E04G 21/18(2006.01) (86) International application number: PCT/GB2007/002506 (87) International publication number: WO 2008/007054 (17.01.2008 Gazette 2008/03)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 08.07.2006 GB 0613647 (71) Applicant: Whitby, Alan Norley, Cheshire WA6 6NF (GB)	(72) Inventor: Whitby, Alan Norley, Cheshire WA6 6NF (GB) (74) Representative: Lyons, Andrew John et al Marks & Clerk Tower Building Water Street Liverpool L3 1BA Liverpool L3 1BA (GB)