Machine for sorting solid objects
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United States of America Patent
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-
Nov 16, 1999
Grant Date -
N/A
app pub date -
Sep 3, 1997
filing date -
May 5, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The machine includes a modular rotary drum (10) consisting of various individual sections (10a, 10b, 10c, 10d, 10e) each having a frustoconical shape converging in the direction of progression of the objects to be sorted. The walls of the various sections are riddled with calibrated sorting holes (26) the size of which increases from the inlet towards the outlet. The interior walls of the various sections are fitted with plates describing a spiral which guides the charge to be sorted, as it progresses. Each sorting hole (26) is in the form of an elongate slot widening in the direction of progression.
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