Method for controlling retraction of composite materials
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United States of America Patent
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Nov 2, 2004
Grant Date -
Mar 13, 2003
app pub date -
Dec 28, 2001
filing date -
Dec 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a process for heat treatment of non-woven composite elastic material including a non-woven elastic layer; a non-woven gatherable layer. The process includes stretching the material, heating the material and cooling the material. The material has a softer more cloth-like feel.
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