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United States Bureau of Mines
行业: 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 ...
An apparatus for loading sand tanks. It consists of a rapidly revolving disk with curved radial vanes. The disk is hung on a shaft in the tank center, and the sand dropped on the disk is distributed over the entire tank area.
Industry:Mining
An apparatus for measuring changes of conductivity, detecting the proximity of metallic bodies, etc., by noting extremely minute changes in an electric current.
Industry:Mining
An apparatus for measuring damping values.
Industry:Mining
An apparatus for moving or collecting gases, liquids, or granular substances by suction.
Industry:Mining
An apparatus for moving soil, gravel, or other loose material. It ordinarily consists of a scraper attached to an endless cable or belt operated by a drum or sprocket wheel, and can be drawn back and forth by the operator at the drum.
Industry:Mining
An apparatus for overturning one or more mine cars simultaneously to discharge coal. They may rotate either 180 degrees or 360 degrees .
Industry:Mining
An apparatus for producing a blast of air by means of a falling stream of water, which mechanically carries air down with it, to be subsequently separated and compressed in a reservoir or drum below.
Industry:Mining
An apparatus for pushing a clay stopper into the taphole of a blast furnace. A steam cylinder operates a plunger inside a steel tube into which clay is fed from a hopper tube as the plunger is worked back and forth, and is thus forced into the taphole at the end of a cast.
Industry:Mining
An apparatus for recording and indicating the tension on a drilling line of a diamond or rotary drill.
Industry:Mining
An apparatus for reheating a substance, as ingot steel, that has cooled or partly cooled during some process.
Industry:Mining
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