Rotary grinding apparatus with secondary grinding chamber section
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United States of America Patent
Stats
-
Jun 19, 1990
Grant Date -
N/A
app pub date -
Aug 9, 1989
filing date -
Aug 9, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The grinding chamber of the apparatus has first and second grinding sections having perforate wall sections overlying the outlet of the apparatus. The perforate wall of the first grinding section underlies the rotor of the apparatus and has an arcuate shape. The perforate wall of the second grinding section extends generally tangentially upwardly and outwardly from the downstream end of the perforate wall of the first grinding section. The second grinding section is larger than the first, and may include breaker bars which deflect the material being ground toward the perforate wall of such section.
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