Spinning pack with sand filter
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United States of America Patent
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-
Aug 18, 1998
Grant Date -
N/A
app pub date -
Sep 9, 1996
filing date -
Feb 24, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spinning pack with a sand filter for the melt spinning of thermoplastics, whereby at least one perforated plate with evenly distributed D-shaped holes with slanting openings that taper conically in the direction of flow is placed in the direction of flow in front of and/or behind the sand filter. Spinning packs according to the invention surprisingly give highly uniform distribution and flow of thermoplastic melt through the sand filter.
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