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United States Bureau of Mines
Industria: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A power hammer operated by a tripping mechanism that causes the hammer to drop.
Industry:Mining
A power hammer that moves vertically.
Industry:Mining
A power machine for loading materials.
Industry:Mining
A power or gravity-actuated unit that receives objects on a carrier or car bed usually constructed of a power or roller conveyor. The object is then elevated or lowered to other elevations.
Industry:Mining
A power pump, mounted on wheels, used to supply high-pressure water for coal seam infusion. It consists of an oil hydraulic circuit that drives two reciprocating rams, which in turn are directly coupled to the two rams of the water pump.
Industry:Mining
A power shovel in which the upper works can rotate through only part of a circle.
Industry:Mining
A power-driven hoist that operates a scraper to move material (rock or coal) to a loading point.
Industry:Mining
A power-driven hoist, having a lifting capacity ranging from 200 lb (90.7 kg) to about 2- 1/2 st (2.27 t), which can be raised on a loading platform up to 200 ft (61 m) high.
Industry:Mining
A power-driven machine used for shearing coal on relatively long faces.
Industry:Mining
A power-driven machine used to undercut or shear the coal to facilitate its removal from the face.
Industry:Mining
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