Non-round spinneret plate hole
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United States of America Patent
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Dec 29, 2009
Grant Date -
Jun 8, 2006
app pub date -
Nov 11, 2003
filing date -
Nov 12, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention concerns a spinneret plate (1) for manufacturing a nonwoven fabric, having multiple non-round holes, which are similar to trilobal or multiarmed holes (3) in particular, for polymer flow outlet to produce filaments, in which identical holes are positioned in rows offset relative to one another. At least a first row (2) has a positional arrangement of the holes that differs from the positional arrangement of a second row (7) of rows through rotation of the holes.
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