Spiral separators
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United States of America Patent
Stats
-
Feb 19, 1980
Grant Date -
N/A
app pub date -
Jul 7, 1978
filing date -
Jan 16, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The helical sluice, or spiral, of a mineral separator used for mineral separation, has a series of take-off openings to carry off strata of dense minerals which form when a pulp of water and minerals to be separated pass through the spiral. Each take-off opening is a slot in the spiral bottom, transverse to the flow, and its effective length, or throat gap, may be varied by a tongue slidably engaged in the slot and having a splitter blade extending up from its leading end to deflect dense strata into the throat gap. A second slot is formed in the tongue to take off middlings, and this is also adjustable, by a slide.
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Cited Art Landscape
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