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- Equipment, tools, and parts:
- Drills
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- Reports of Investigations
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Results 1 - 4 of 4
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7/1/2002 - Reports of InvestigationsThe process of drilling and bolting the roof is currently one of the most dangerous jobs in underground mining, resulting in about 1,000 accidents with injuries each year in the United States. Researchers from the Spokane Research Laboratory of the Nat...
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1/1/1995 - Reports of InvestigationsDust control modifications were implemented on small, truck-mounted rock drills at surface coal mines. The control techniques showed noticeable improvement in measured dust concentrations around the drills.
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1/1/1990 - Reports of InvestigationsThe Bureau of Mines preproduction wireless survey system (WSS) and its performance during an in-mine test are discussed in this report. The WSS was developed to reduce downhole surveying time in order to increase the efficiency of drilling long horizont...
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11/1/1975 - Reports of InvestigationsData are presented on the individual and combined effects of Bureau of Mines modifications on standard pneumatic rock drills in reducing noise.
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Content source: National Institute for Occupational Safety and Health, Mining Program