(19)

(11)

EP 1 330 581 A1

(12)

(43) Date of publication: 30.07.2003 Bulletin 2003/31 (21) Application number: 01981181.9 (22) Date of filing: 28.09.2001

(51) International Patent Classification (IPC)7: E04D 13/14, E04D 1/36 (86) International application number: PCT/NZ0100/203 (87) International publication number: WO 0202/7115 (04.04.2002 Gazette 2002/12)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 29.09.2000 NZ 50727000 (71) Applicant: Haynes, Andrew Leo Stanmore Bay,Auckland (NZ)	(72) Inventor: Haynes, Andrew Leo Stanmore Bay,Auckland (NZ) (74) Representative: Alexander, Thomas Bruce et al BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)