(19)

(11)

EP 1 812 661 A1

(12)

(43) Date of publication: 01.08.2007 Bulletin 2007/31 (21) Application number: 05800989.5 (22) Date of filing: 26.10.2005

(51) International Patent Classification (IPC):  E04B 1/64(2006.01) (86) International application number: PCT/NZ2005/000284 (87) International publication number: WO 2006/046877 (04.05.2006 Gazette 2006/18)

(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 NL PL PT RO SE SI SK TR (30) Priority: 26.10.2004 NZ 53612904 10.10.2005 NZ 54294805 (71) Applicant: Webster, Graeme Bruce Mt Maunganui (NZ)	(72) Inventor: Webster, Graeme Bruce Mt Maunganui (NZ) (74) Representative: Thomson, Neil David et al Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)