Ultrasonic cut and bonded elastic material
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United States of America Patent
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Jul 5, 2011
Grant Date -
Apr 3, 2008
app pub date -
Sep 25, 2007
filing date -
Sep 28, 2006
priority date (Note) -
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Abstract
A method of forming a hem of an elastic material includes laying a first stretch fabric sheet upon a second stretch fabric sheet, cutting an excess edge strip from the first stretch fabric sheet and the second stretch fabric sheet along a fuse line and simultaneously fusing the sheets together along the fuse line, positioning an elastic strip between the first and second sheets along the fuse line, and fusing the elastic strip to one of the sheets to form a hem.
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