Method to produce micro and nanofibers with controlled diameter and large yield
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United States of America Patent
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Nov 17, 2020
Grant Date -
Jun 21, 2018
app pub date -
Nov 17, 2017
filing date -
Nov 17, 2016
priority date (Note) -
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Abstract
A method for producing microfibers includes the steps of (a) providing a base material; (b) forming the base material in a ring; (c) gripping opposing ends of the ring; (d) flipping one of the opposing ends relative to the other of the opposing ends, forming an upper portion and a lower portion; (e) folding the upper portion onto the lower portion; (f) stretching the folded upper and lower portions; and repeating steps (d)-(f) as desired. Different apparatuses for performing the method are also provided.
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