Extrusion apparatus for sheathing a temperature sensitive core material
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United States of America Patent
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Mar 30, 1993
Grant Date -
N/A
app pub date -
Dec 5, 1991
filing date -
Dec 5, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for extruding a sheath or cladding about a temperature sensitive core material wherein the melting point of the core material is lower than the temperature of the extruded sheath or cladding. The apparatus utilizes a cooling chamber separated from said extrusion die assembly to cool the core material prior to the core material entering the extrusion die assembly.
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