(19)

(11)

EP 2 016 235 A1

(12)

(43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 07793946.0 (22) Date of filing: 10.05.2007

(51) International Patent Classification (IPC):  E04B 1/343(2006.01) E04B 2/74(2006.01) (86) International application number: PCT/NZ2007/000108 (87) International publication number: WO 2007/129923 (15.11.2007 Gazette 2007/46)

(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: 10.05.2006 NZ 54706106 (71) Applicant: Gibson, Rodney Mark Wellington 6035 (NZ)	(72) Inventor: Gibson, Rodney Mark Wellington 6035 (NZ) (74) Representative: Jones, Graham Henry  Graham Jones & Company Blackheath 77 Beaconsfield Road London SE3 7LG London SE3 7LG (GB)