Apparatus for the pretreatment and subsequent plastification or agglomeration of plastics
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United States of America Patent
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Mar 22, 2016
Grant Date -
Oct 2, 2014
app pub date -
Oct 12, 2012
filing date -
Oct 14, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation. In a side wall, an aperture is formed, through which the plastics material can be removed, a conveyor being provided, with a screw rotating in a housing. The apparatus is characterized in that the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, there being, on the outflow side, an offset distance between the longitudinal axis and the radius that is parallel to the longitudinal axis, that the L/D ratio of the screw is greater than or equal to 7, and that the compressing format of the screw begins only from a distance (A) of more than 1.5 times the diameter (d) of the screw.
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