HIGH-EFFICIENCY MINING METHOD FOR PERCUSSING FALLING-MATERIALS WITHOUT TRAPPING MATERIALS AND HIGH-EFFICIENCY MINING MACHINE FOR PERCUSSING FALLING-MATERIALS WITHOUT TRAPPING MATERIALS
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United States of America Patent
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May 21, 2015
app pub date -
May 10, 2013
filing date -
May 12, 2012
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Abstract
A high-efficiency mining machine for percussing falling-materials without trapping materials. Also disclosed is a high-efficiency mining method for percussing falling-materials without trapping materials. The mining machine has a simple structure and works in a reliable way.
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