Device for the continuous production of a nonwoven web
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United States of America Patent
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Issued Date -
Feb 23, 2006
app pub date -
Jul 19, 2005
filing date -
Aug 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Device for the continuous production of a nonwoven web from filaments made from a thermoplastic synthetic, with a spinning nozzle, a cooling chamber, a stretching unit and a depositing device for depositing the filaments to the nonwoven web. Two or more different polymer fusions can be fed to the spinning nozzle, and a device for merging the different polymer fusions is provided such that bi-component filaments and multi-component filaments can exit from the spinning nozzle openings of the spinning nozzle. The cooling chamber is divided into at least two cooling chamber sections in which the bi-component filaments and multi-component filaments can be respectively acted upon by process air with different convective heat conduction means.
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