发明名称 METHOD AND MACHINE FOR SORTING PRECIOUS STONES AND THE LIKE ACCORDING TO SIZE
摘要 <p>A method and a machine for sorting precious stones and the like according to size, wherein one or more stones are suitably positioned, separated by suitable devices (3, 4) and fed into a vibrating transparent tube (5) for feeding them between the transmitter and the receiver of at least one laser micrometric measurement device (11, 12) which delivers the measurement results to a programmable controller for comparing the results with standard results and actuating a mechanical device (14) for automatically sorting the stones on the basis of the results, then restating the measurement cycle.</p>
申请公布号 WO1995003897(A1) 申请公布日期 1995.02.09
申请号 FR1994000973 申请日期 1994.08.02
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