EXTRUSION PROCESS AND DEVICE FOR PRODUCING ELASTOMERIC COMPOUNDS
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Dec 16, 2010
filing date -
Dec 22, 2009
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Abandoned
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Abstract
An extrusion device for producing elastomeric compounds, includes a holding body internally confining a chamber and at least one extrusion screw disposed in the chamber. The device further includes a plurality of interchangeable extrusion heads alternatively installed on the holding body at a discharge opening of the chamber. The choice of using a type of head rather than another or leaving the discharge opening free is carried out based on the physico-chemical features of the elastomeric compound to be treated, so as to maintain the temperature and/or pressure of the outgoing compound under critical threshold values for such a compound.
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