Multi-end strand predetermined tension controller
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United States of America Patent
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Jul 11, 2006
Grant Date -
N/A
app pub date -
Jan 12, 2005
filing date -
Jan 12, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-end strand tension controller has an overfeed roll and an underfeed roll with strand engagement surfaces. Depending on the outgoing tension, the strand positioner selectively apply the strand against one of the underfeed rollers to adjust the tension and the output of the tension controller. The underfeed roller is fed at a speed slower than the speed of the strand while the overfeed roller is fed at a speed greater than the speed of the feed of the strand. Multiple strands forming the web can be provided utilizing a controller and different predetermined tensions may be applied to each of the individual strands based upon loading of individual strand positioners.
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