- 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 ...
A tool made from pulverized carbides and fused into a hard tip for heavy-duty or highspeed cutting of metals.
Industry:Mining
A tool operated by compressed air, fitted with cutting wheels that mill the hot cutting edges or rock drill bits to the required angle.
Industry:Mining
A tool that fits around and grips drill rods or any tubular drilling equipment so they can be pulled or lifted from a borehole where workspace in narrow underground openings is too confined to allow the use of a hoisting plug.
Industry:Mining
A tool that is used when a core is required. In drilling, where speed is the aim, cores are not made. When, however, an important bed or horizon is approached, and detailed geological information is required, the coring bit is inserted and core drilling commenced.
Industry:Mining
A tool that is used when a core is required. In drilling, where speed is the aim, cores are not made. When, however, an important bed or horizon is approached, and detailed geological information is required, the coring bit is inserted and core drilling commenced.
Industry:Mining
A tool used in collecting the iron in a puddling furnace into a mass, preparatory to taking it to the hammer or squeezer; a rabble.
Industry:Mining
