Method for controlling flow of molten polymer to multiple extrusion die orifices
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United States of America Patent
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-
Aug 26, 1980
Issued Date -
N/A
app pub date -
Nov 24, 1978
filing date -
Nov 24, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a thermoplastic extrusion system where a single extruder feeds molten polymer through a manifold to a plurality of separate extrusion orifices, a valve system is provided which distributes and regulates the flow of the molten polymer to the individual extrusion orifices.
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- Non-US Classification not provided for expired patents
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