Metering meltblowing system
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United States of America Patent
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Aug 17, 1993
Grant Date -
N/A
app pub date -
Sep 11, 1991
filing date -
Sep 11, 1991
priority date (Note) -
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Abstract
A meltblowing system with a modular die design and on-line monitoring of web properties is described. The modular die consists of individually fed side-by-side meltblowing units. Automated control of the polymer feed rates to the units have been shown to produce a web with excellent uniformity of basis weight. The die also features a valve assembly for minimizing polymer afterflow and die tip plugging.
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Cited Art Landscape
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