Meltblown yarn and method and apparatus for manufacturing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 23, 2002
Issued Date -
N/A
app pub date -
Apr 21, 2000
filing date -
Feb 7, 1997
priority date (Note) -
Expired
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Abstract
A yarn of meltblown thermoplastic fibers is manufactured by meltblowing fibers onto a collector to form a thin web thereon, and continuously withdrawing and twisting the web into a generally circular yarn. In a preferred embodiment the yarn has a reinforcing cord disposed therein to lend strength thereto. The yarn is suited for many applications, including knitted and woven fabrics, and cartridge filters.
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