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(11)

EP 2 235 267 A1

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(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 08869596.0 (22) Date of filing: 17.12.2008

(51) International Patent Classification (IPC):  E01F 13/02(2006.01) E01F 15/10(2006.01) (86) International application number: PCT/AU2008/001848 (87) International publication number: WO 2009/086582 (16.07.2009 Gazette 2009/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 07.01.2008 AU 2008900048 (71) Applicant: Tekiela, Janusz Frank Kurrajong, NSW 2758 (AU)	(72) Inventor: Tekiela, Janusz Frank Kurrajong, NSW 2758 (AU) (74) Representative: Holme Patent A/S  Vesterbrogade 20 1620 Copenhagen V 1620 Copenhagen V (DK)