(19)
(11) EP 2 370 673 A1

(12)

(43) Date of publication:
05.10.2011 Bulletin 2011/40

(21) Application number: 09806186.4

(22) Date of filing: 25.11.2009
(51) International Patent Classification (IPC): 
E21C 41/22(2006.01)
E21F 13/04(2006.01)
 E21B 43/26(2006.01)
E21F 13/06(2006.01)
(86) International application number:
PCT/IB2009/007556
(87) International publication number:
WO 2010/061274 (03.06.2010 Gazette 2010/22)
(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 MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 28.11.2008 CL 35602008

(71) Applicants:
  • Corporacion Nacional del Cobre de Chile
    Santiago (CL)
  • Instituto de Innovacion en Mineria y Metalurgia
    Santiago (CL)

(72) Inventors:
  • GEISTER, Fernando
    Santiago (CL)
  • BAEZ, Fidel
    Santiago (CL)
  • ARANCIBIA, Ernesto
    Santiago (CL)
  • MOYANO, Alejandro
    Santiago (CL)
  • CERRUTTI, Carlo
    Santiago (CL)

(74) Representative: Kilger, Ute 
Forrester & Boehmert Pettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) CONTINUOUS MINING