Spiral woven fabric and high-speed rotating body using it
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United States of America Patent
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Issued Date -
Oct 7, 2004
app pub date -
Dec 10, 2003
filing date -
Jan 12, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The aim is to uniformly reinforce a matrix material and improve the resistance to centrifugal force. A helical fabric S is formed of helical warp yarns and radial weft yarns alternately passing over and under the warp yarns, and heat-melt yarns provided radially outside the radially outermost warp yarn so as to alternately pass over and under the weft yarns. The helical fabric is used as a reinforcement. Since the heat-melt yarns are fused to the weft yarns, they prevent the warp yarns from slipping off the weft yarns. Thus, it is possible to cut off the portions of the weft yarns protruding radially outwardly from the heat-melt yarns. Since the radially outer ends of the weft yarns can be cut off so as to be arranged on a circle, the fabric is positioned precisely concentric with the axis of the mold.
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