(19)

(11)

EP 2 028 920 A1

(12)

(43) Date of publication: 04.03.2009 Bulletin 2009/10 (21) Application number: 06790354.2 (22) Date of filing: 09.10.2006

(51) International Patent Classification (IPC):  A01B 73/06(2006.01) (86) International application number: PCT/AU2006/001484 (87) International publication number: WO 2007/140507 (13.12.2007 Gazette 2007/50)

(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 RS (30) Priority: 02.06.2006 AU 2006903010 (71) Applicant: Oregon House Pty Ltd Swan Hill VIC 3585 (AU)	(72) Inventor: MONK, Gavan Swan Hill, Victoria 3585 (AU) (74) Representative: Vanhala, Jorma Kalevi  Berggren Oy Ab Kirkkokatu 9 90100 Oulu 90100 Oulu (FI)