Composite nonwoven fabric and method
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United States of America Patent
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-
Dec 19, 1995
Grant Date -
N/A
app pub date -
Sep 19, 1994
filing date -
Sep 19, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composite nonwoven fabric and method for making the same includes subjecting a carded web to the action of a cross lapper (B) and then drafting the cross-lapped web by passing the same through a web drafter (C) utilizing a series of wire wound rolls of progressively increased speed. A web of substantially unbonded polymeric fibers is layed from a roll (D) forming a composite web by hydroentanglement utilizing a series of spun bonding steps resulting in a composite web of substantial strength comparison in the machine direction and in cross direction and possessing the characteristics of fabric suitable for use in hospital applications such as surgical gowns.
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