Mining machine system

Details Mining machine system Mining machine system

1985-11-18

1987-10-13

Novosad, Stephen J.

Mining or in situ disintegration of hard material

With separation of materials

299 33, 299 56, E21D 908

Patent

active

046994297

ABSTRACT:
A mining machine system for deep boring a hole in a seam includes a cutting head, a drill pipe, a power unit for driving the cutting head, a recovery mechanism for the fluidized conveyance of the aggregate coal or other mineral product from the bore hole and a blocking unit. The blocking unit includes a substantially cylindrical frame member that substantially conforms to the diameter of the hole being bored by the cutting head. Thus, the blocking unit serves to support the weight of the cutting head and drill pipe so as to maintain the proper alignment of the cutting head in the seam. The aggregate coal or other product may be conveyed from the bore hole adjacent the cutting head to the seam face either through a coal conveyance passageway in the drill pipe or through a separate coal conveyance pipe. In either embodiment a sealed pipe extending unit is provided to extend or advance the coal conveying pipe or drill pipe into the bore hole with the cutting head.

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patent: 4555064 (1985-11-01), Asano et al.
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