Method and device for controlling the temperature of polymer melt
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United States of America Patent
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Jun 6, 2017
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N/A
app pub date -
May 21, 2013
filing date -
May 23, 2012
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Abstract
A method for controlling the temperature of a polymer melt in an extrusion tool includes flowing the polymer melt via at least one flow channel from an input to an output and around at least one temperature-control element in the at least one flow channel. The temperature control element includes a plurality of temperature control units. The temperature of the polymer melt flowing around the temperature-control element is controlled by individually controlling each of the temperature-control units so as to vary a degree of temperature control of the temperature-control element such that a degree of temperature control is controllable to be the same or different at locations throughout the temperature control-element.
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