Extrusion method
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United States of America Patent
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Sep 20, 2016
Grant Date -
Dec 18, 2014
app pub date -
Sep 3, 2012
filing date -
Sep 2, 2011
priority date (Note) -
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Abstract
A method is provided for producing solid material filaments or films from a fluid of the material, by extruding the fluid by one or more extrusion openings and by solidifying the material in a precipitation bath. The formed material is guided between the extrusion openings and the precipitation bath by a lateral gas flow. The gas flow is subdivided into a hot partial flow and a cold partial flow. The material is initially brought into contact with the hot partial flow and subsequently with the cold partial flow prior to it being introduced into the precipitation bath. A device is also provided for extruding and forming materials.
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