(19)

(11)

EP 1 831 472 A1

(12)

(43) Date of publication: 12.09.2007 Bulletin 2007/37 (21) Application number: 05818405.2 (22) Date of filing: 19.12.2005

(51) International Patent Classification (IPC):  E02F 3/64(2006.01) (86) International application number: PCT/AU2005/001918 (87) International publication number: WO 2006/066318 (29.06.2006 Gazette 2006/26)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 20.12.2004 AU 2004907199 (71) Applicant: Loriden PTY Ltd. Cloncurry, QLD 4824 (AU)	(72) Inventor: MCLEAN, Gregory Charles Cloncurry, QLD 4824 (AU) (74) Representative: Feldmeier, Jürgen  Prüfer & Partner GbR Patentanwälte Sohnckestrasse 12 81479 München 81479 München (DE)