(19)
(11) EP 2 449 214 A1

(12)

(43) Date of publication:
09.05.2012 Bulletin 2012/19

(21) Application number: 10793425.9

(22) Date of filing: 30.06.2010
(51) International Patent Classification (IPC): 
E21D 1/03(2006.01)
(86) International application number:
PCT/AU2010/000820
(87) International publication number:
WO 2011/000037 (06.01.2011 Gazette 2011/01)
(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: 30.06.2009 AU 2009903054

(71) Applicant: Technological Resources PTY. Limited
Melbourne, VIC 3000 (AU)

(72) Inventors:
  • WEBB, Rocky Lynn
    North Bay, Ontario P1B 8Z4 (CA)
  • MEDD, Morris James
    North Bay, Ontario P1A 1K8 (CA)
  • GOUGH, Ryan George
    Callander, Ontario P0H 1H0 (CA)
  • DE LA VERGNE, John Nicholas
    North Bay, Ontario P1B 8G3 (CA)
  • FEARN, Andy Robert
    Corbeil, Ontario (CA)
  • DELABBIO, Fredric Christopher
    Samford, Queensland 4520 (AU)

(74) Representative: Kador & Partner 
Corneliusstraße 15
DE-80469 München
DE-80469 München (DE)

   


(54) FORMING A SHAFT FOR AN UNDERGROUND MINE