Process for making necked nonwoven webs having improved cross-directional uniformity
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United States of America Patent
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Jun 22, 2010
Grant Date -
Jun 21, 2007
app pub date -
Dec 15, 2005
filing date -
Dec 15, 2005
priority date (Note) -
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Abstract
Necked nonwoven webs having improved cross-directional uniformity are made by a process which includes the step (prior to neck stretching) of corrugating the nonwoven web to reduce its width from an initial width A to a reduced corrugated width B. The cross-directional uniformity is optimized as the corrugated width B approaches the ultimate width C of the necked nonwoven web.
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