Hydraulically entangled, autogenous-bonding, nonwoven composite fabric
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United States of America Patent
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Nov 12, 1996
Grant Date -
N/A
app pub date -
Apr 4, 1994
filing date -
Apr 4, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is a hydraulically entangled, autogenous-bonding, nonwoven composite fabric composed of a matrix of substantially continuous, thermoplastic polymer filaments and at least one substantially non-thermoplastic fibrous material integrated in the matrix so that the composite fabric is adapted to autogenously bond to itself upon application of heat. The hydraulically entangled, autogenous-bonding, nonwoven composite fabric may be suitable as infusion package material for applications such as, for example, tea bags and coffee filter pouches. Also disclosed is a method of making a hydraulically entangled, autogenous-bonding, nonwoven composite fabric.
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