Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent
1998-02-17
1999-12-07
Bagnell, David
Mining or in situ disintegration of hard material
Hard material disintegrating machines
With material-handling means
299 18, 198303, E21D 912, B65G 4102
Patent
active
059971010
ABSTRACT:
A system for providing utilities and support infrastructure on a continuous basis from the surface to the cutting face of an underground operation. A flexible belt structure system incorporates water supply and discharge lines, power and communication cables, hydraulic supply and return lines, bulk lubrication delivery systems, and belt support structure for underground coal haulage. The system consists of modular components that are added at the surface and connected underground to form a continuous support structure to the working area, such that the infrastructure necessary for the mining operation is expanded or reduced to keep up with the position of the mining face without interruption of operation. The belt structure is mounted on a stationary rail fixed to the roof of the mine and is rolled forward or backwards in the belt entry as the mine advances or retreats, as applicable.
REFERENCES:
patent: 2826402 (1958-03-01), Alspaugh et al.
patent: 4339031 (1982-07-01), Densmore
patent: 4784257 (1988-11-01), Doerr
patent: 4896764 (1990-01-01), Neunzert
Bagnell David
Durando Antonio R.
Kreck John
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