Method and apparatus for developing shafts using small diameter

Details Method and apparatus for developing shafts using small diameter Method and apparatus for developing shafts using small diameter

1994-09-06

1996-05-07

Bagnell, David J.

Mining or in situ disintegration of hard material

Processes

With material-handling

187405, E21D 702

Patent

active

055139035

ABSTRACT:
A mining method and apparatus includes drilling two relatively small diameter shafts in proximity to each other, and operating a single hoisting system between the two shafts. The hoisting system includes a hoist that simultaneously moves first and second conveyances in opposite directions respectively in the first and second shafts.

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