Nanofiber yarn spinning system
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United States of America Patent
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Jan 26, 2021
Grant Date -
Jun 21, 2018
app pub date -
Dec 18, 2017
filing date -
Dec 19, 2016
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Abstract
Methods, systems, and apparatus for fabricating nanofiber yarn at rates of at least 30 m/min (1.8 kilometers (km)/hour (hr)) using a “false twist” nanofiber yarn spinner and a false twist spinning technique are disclosed. In a false twist spinning technique, a twist is introduced to nanofibers in a strand by twisting the nanofibers at points between ends of the strand. This is in contrast to the “true twist” technique where one end of a strand is fixed and the opposing end of the strand is rotated to introduce the twist to intervening portions of yarn.
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