(19)

(11)

EP 1 395 714 A1

(12)

(43) Date of publication: 10.03.2004 Bulletin 2004/11 (21) Application number: 02733025.7 (22) Date of filing: 24.05.2002

(51) International Patent Classification (IPC)7: E04B 1/26, E04D 12/00 (86) International application number: PCT/IB2002/001812 (87) International publication number: WO 2002/095153 (28.11.2002 Gazette 2002/48)

(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: 24.05.2001 ZA 200104240 (71) Applicant: Du Preez, Johannes Petrus Meyersdal,Alberton 1448 (ZA)	(72) Inventor: Du Preez, Johannes Petrus Meyersdal,Alberton 1448 (ZA) (74) Representative: Galgut, John  Jones Day,21 Tudor Street London EC4Y 0DJ London EC4Y 0DJ (GB)