(19)

(11)

EP 1 481 136 A1

(12)

(43) Date of publication: 01.12.2004 Bulletin 2004/49 (21) Application number: 02787083.1 (22) Date of filing: 12.11.2002

(51) International Patent Classification (IPC)7: E03D 11/02 (86) International application number: PCT/ZA2002/000175 (87) International publication number: WO 2003/042464 (22.05.2003 Gazette 2003/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 15.11.2001 ZA 200109403 25.02.2002 ZA 200201530 (71) Applicant: Schmidt, Fritz Carel Lansdowne 7780 (ZA)	(72) Inventor: Schmidt, Fritz Carel Lansdowne 7780 (ZA) (74) Representative: Bratel, Gérard et al Cabinet GERMAIN & MAUREAU,BP 6153 69466 Lyon Cedex 03 69466 Lyon Cedex 03 (FR)