Spiral concentrator
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United States of America Patent
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Dec 5, 1995
Grant Date -
N/A
app pub date -
Jul 15, 1994
filing date -
Jul 15, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A spiral concentrator (1) comprising a spiral trough (2) mounted on a central column (3) which is characterized therein that, in comparison with a conventional trough having a profile (11) which is generally concave and which slants downwardly from an outer edge of the trough towards a central column, the profile (8) of the trough is deepened in a section of the trough adjacent the central column of the concentrator.
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