Breathable and liquid impermeable web and method of making the web
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Sep 5, 2013
filing date -
Sep 30, 1999
priority date (Note) -
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Abstract
A method is disclosed for modifying the physical characteristics of a web which involves passing the web between at least one pair of interengaged rolls to incrementally stretch the web, and then withdrawing the incrementally stretched web from between the rolls under tension. A web modified according to the disclosed method has desirable breathability and liquid impermeability, as well as extensibility and a soft, cloth-like textured surface.
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