Ore classifier
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United States of America Patent
Stats
-
Dec 2, 1980
Grant Date -
N/A
app pub date -
Apr 30, 1979
filing date -
Apr 30, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ore classifier adaptable for separating coal from inter-mixed heavy material and which performs a washing operation for the coal. The classifier has an elongated inclined trough, the floor of which is provided with transverse corrugations constructed to resist the movement of particles down the incline. A pair of side panels are provided in the trough to form elongated passageways along the inside sides of the trough, the lower ends of the passageways being closed. The trough is mounted on a frame and is vibrated as water and coal mixed with other ore is introduced into the trough whereby the coal is washed out of the lower end of the trough and the coarse and fine heavies are forced out of the upper end of the trough and passageways, respectively.
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