Improved feed for centrifugal mills
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United States of America Patent
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Oct 18, 1994
Grant Date -
N/A
app pub date -
May 3, 1993
filing date -
May 3, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mill for comminution comprising a cylinder rotating with its axis perpendicular to a uniform inertial force field that has helical chambers at each end of the cylinder that are coaxial to and connected with the cylinder. The other end of each helix is connected to an external connection such that one feeds into and the other removes material from the mill. The helical chambers have opposite senses of rotation so that when the mill is rotated in one of its two possible directions any media in the mill is dynamically retained in the mill by the screw action of the helices even as material to be ground flows through the mill.
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