METHOD FOR MANUFACTURING SHORT FIBERS, METHOD FOR MANUFACTURING NONWOVEN FABRIC, SHORT FIBER MANUFACTURING DEVICE, AND NONWOVEN FABRIC MANUFACTURING DEVICE
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United States of America Patent
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Jun 20, 2024
app pub date -
Apr 14, 2021
filing date -
Apr 14, 2021
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Abstract
A method for manufacturing short fibers includes relaxing entanglement of crimped cellulose acetate fibers in a tow band by applying a tension in a predetermined transfer direction to the tow band transferred in the transfer direction, the tow band containing the crimped cellulose acetate fibers and being impregnated with moisture, and forming short fibers by cutting the tow band in which the entanglement is relaxed.
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