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EP 2 464 476 A1

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(43) Date of publication: 20.06.2012 Bulletin 2012/25 (21) Application number: 10807774.4 (22) Date of filing: 28.07.2010

(51) International Patent Classification (IPC):  B21J 7/18(2006.01) B21K 1/76(2006.01) B21K 1/30(2006.01) B21J 13/02(2006.01) B21J 7/14(2006.01) B62D 3/12(2006.01) (86) International application number: PCT/AU2010/000948 (87) International publication number: WO 2011/017736 (17.02.2011 Gazette 2011/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 12.08.2009 AU 2009903747 (71) Applicant: Bishop Steering Technology Pty Ltd Rosehill, NSW 2142 (AU)	(72) Inventors: CORNISH, Wayne Bruce Padstow NSW 2211 (AU) MCLEAN, Lyle John Oberon NSW 2787 (AU) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstraße 4 22607 Hamburg 22607 Hamburg (DE)