MELT SPINNING PROCESS FOR THE PRODUCTION OF SYNTHETIC POLYMER CONTINUOUS FILAMENT YARNS
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Aug 8, 2008
filing date -
Aug 8, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A melt spinning process for the production of synthetic polymer continuous filament yarns useful in the continuous filament production industry, suitable such polymers including those that are melt-spun, e.g., inter alia, polyesters, polyamides and polyolefins, and wherein the spinning process includes two filtration steps: a first step corresponding to a prefiltration employing one or more centralized filters located at a point on the polymer melt transfer lines and a final filtration carried out in the filtering elements of the screen-pack/spinneret assemblies.
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