| 摘要 |
PCT No. PCT/EP80/00011 Sec. 371 Date Oct. 27, 1980 Sec. 102(e) Date Oct. 27, 1980 PCT Filed Feb. 22, 1980 PCT Pub. No. WO80/01838 PCT Pub. Date Sep. 4, 1980.Device for obtaining dust from minerals. The device has an excitation part for mechanical ultrasonic vibrations combined with a chisel. A suction device is provided to collect the dust produced. The device serves in particular to produce dust samples rapidly for quick analysis of minerals in prospecting, in the reconnaissance and evaluation of deposits and in the mining of minerals for the purposes of quality control, monitoring and controlling the mining process. |
