Nonwoven fabric barrier layer
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United States of America Patent
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-
May 21, 1985
Grant Date -
N/A
app pub date -
Jul 23, 1982
filing date -
Jul 23, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for making a nonwoven fabric barrier layer that comprises simultaneously ring-rolling to a desired basis weight at least two adjacent plies of hydrophobic microfine fiber webs. The adjacent plies prior to ring-rolling have a cumulative basis weight of from about 1.1 to about 4 times the desired basis weight.
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