Process and apparatus for cooling an extrudate
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United States of America Patent
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Jan 19, 1999
Issued Date -
N/A
app pub date -
Jan 16, 1996
filing date -
Aug 1, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for extruding a mixture of thermoplastic and ground whole tire waste, in which the mixture is extruded through a die to form an extrudate, with the extrudate subsequently cooled by directing a cooling gas toward the extrudate top, bottom and sides from a multiplicity of gas jets positioned around the periphery of the extrudate. In addition to an extruder, the apparatus includes a multiplicity of gas jets adjacent the extruder, positioned to direct a cooling gas toward the extrudate top, bottom and sides.
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