Process for producing melt-blown thermoplastic articles
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United States of America Patent
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-
Apr 10, 1984
Issued Date -
N/A
app pub date -
Oct 2, 1980
filing date -
Mar 15, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and apparatus are provided for the production of a non-woven fabric by melt-blowing wherein one or more yarns, e.g. monofilaments, are added or charged into the fabric stream between the extruder and collector by means of a supporting and drawing pressure gas stream. In one embodiment means are provided to regulate flow of the gas stream. In another embodiment means are provided to reciprocate or to rotate through a small arc the one or more charging means.
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Cited Art Landscape
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