Enhanced thickness fabric and method of making same
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United States of America Patent
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Jan 11, 2011
Issued Date -
N/A
app pub date -
Jul 26, 2007
filing date -
Dec 19, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides thickened fabrics and reinforcements for use as a spacer or reinforcement for a matrix system. The fabric includes in a first embodiment a woven fabric comprising weft and warp yarns containing glass fibers. A portion of the weft yarns are undulated, resulting in an increased thickness for the fabric. The fabric is coated with a polymeric resin or bonding agent, for substantially binding the weft yarns in the undulated condition. This invention also includes methods for making such fabric by increasing the thickness of a woven or non-woven material by such methods as applying tension during weaving operations, or using unbalanced yarns.
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