(19)

(11)

EP 1 778 924 A1

(12)

(43) Date of publication: 02.05.2007 Bulletin 2007/18 (21) Application number: 05764204.3 (22) Date of filing: 02.08.2005

(51) International Patent Classification (IPC):  E02F 9/28(2006.01) (86) International application number: PCT/AU2005/001154 (87) International publication number: WO 2006/012689 (09.02.2006 Gazette 2006/06)

(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: 02.08.2004 AU 2004904285 (71) Applicant: Wundowie Foundry Pty Ltd. Wundowie WA 6560 (AU)	(72) Inventor: ARMSTRONG, Bruce Wundowie, WA 6560 (AU) (74) Representative: Weller, Wolfgang et al Witte, Weller & Partner Patentanwälte Postfach 10 54 62 70047 Stuttgart 70047 Stuttgart (DE)