UNITIZED COMPOSITES UTILIZING SHRINKABLE LAYERS TO ACHIEVE SURFACE TEXTURE AND BULK
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United States of America Patent
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app pub date -
Dec 12, 2007
filing date -
Jun 13, 2007
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Abandoned
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Abstract
A simplified manufacturing technique to directly form unitized composite structures optionally with at least one relatively flat surface and with at least one surface having raised mound-like elements in an internally-bonded unitized composite is provided. A matrix of fibrous and or other material elements is deposited in un-bonded layers. At least one element is composed of a contractive material which shrinks relative to the other component elements when activated, such as by heating in an oven, to become an internally bonded unitized composite with z-direction raised mound-like texturing after the activation step. Finished product applications and unitized composite webs suitable for finished products employing the inventions are provided.
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