Method of and apparatus for steering a mining machine

Details Method of and apparatus for steering a mining machine Method of and apparatus for steering a mining machine

1977-03-30

1979-05-22

Purser, Ernest R.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

250254, E21C 2724, E21C 4100

Patent

active

041555945

ABSTRACT:
A method of steering a mineral mining machine so as to remain in the mineral seam. Natural radiation from rock strata adjacent to the mineral seam is sensed and the machine is steered from the intensity of radiation so that a residual layer of mineral left by the machine which attenuates the radiation has a thickness which is constrained to fall within preselected limits.

REFERENCES:
patent: 2562929 (1951-08-01), Lord et al.
patent: 3371964 (1968-03-01), Weber
patent: 3817578 (1974-06-01), Wilson

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