Method and apparatus for conveying slurry explosives

Details Method and apparatus for conveying slurry explosives Method and apparatus for conveying slurry explosives

1984-01-13

1985-09-24

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Processes

Mine safety

414592, E21F 1304

Patent

active

045429413

ABSTRACT:
Flowable materials such as slurry explosives are transported down a mine shaft by providing a pipeline from the surface to the level in the mine where the material is needed. A plug is slidably and sealingly positioned within the pipeline and connected through a cable to a winch whereby the plug can be raised or lowered within the pipeline. With the plug near the top of the pipeline, material is loaded into the pipeline on top of the plug. The plug and material are then lowered to the desired depth in the mine and the material drained from the pipeline.

REFERENCES:
patent: 500017 (1893-06-01), Long
patent: 2811288 (1957-10-01), Willis
patent: 3134437 (1964-05-01), Kappovich
patent: 3191678 (1965-06-01), Hinson
patent: 3541797 (1970-11-01), Stewart
patent: 4127151 (1978-11-01), Yeda et al.

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