Machine and method for homogenizing a bitumen-based mixture with polymer granules
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United States of America Patent
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Aug 12, 2014
Grant Date -
Jul 29, 2010
app pub date -
Feb 8, 2008
filing date -
Feb 9, 2007
priority date (Note) -
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Abstract
There is described a machine for homogenizing a bitumen-based mixture with polymer granules. The machine includes an outer container and a cylindrical sleeve, which is housed within the outer container and is provided with a perforated side wall, on which a plurality of through apertures is obtained, each of the holes comprising a sharp cutting edge. The machine further includes a homogenizer assembly, which is mounted so as to axially rotate within the sleeve in order to rotate about a vertical axis, and is configured so as to displace, during its rotation, at least part of the bitumen-based mixture and the polymer granules along a direction which is substantially tangential to the inner surface of the perforated side wall of the sleeve so as to induce the polymer granules to impact against the sharp cutting edge of the through apertures.
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