Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
Patent
1979-01-15
1981-07-28
Pate, III, William F.
Mining or in situ disintegration of hard material
Processes
Stabilizing underground structure
299 18, 299 31, 299 33, 299 56, 299 87, 299 90, 175 62, 175171, E21B 728, E21C 4100
Patent
active
042807328
ABSTRACT:
A method of mining a mineral deposit from a remote point, particularly useful in mining pitching or horizontal seams, comprises boring, casing and preparing a log of a probe hole; the casing will later be used as a guide for the mining head. All personnel are remotely located from the mining face and the mining head follows the probe hole and is rotated by means of a novel drive stem powered from a portal based plant. Thrust is imparted to the rotating mining head in a non-cyclical manner by the intermittently supported drive stem. The mineral being mined is automatically removed from the face and discharged at the portal. Steel or reinforced concrete support collars follow the mining head and support the drive stem until the bore is mined out whereupon the collars, the drive stem and the guide are removed for reuse.
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Grace James W.
Pate III William F.
United States Pipe and Foundry Company
Vanecek Charles W.
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