ELASTIC FIBER, ELASTIC FIBER COVERED YARN AND REELING MANUFACTURING METHODS THEREOF
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United States of America Patent
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Issued Date -
Jan 5, 2023
app pub date -
Jun 28, 2022
filing date -
Jun 28, 2022
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Abstract
The present disclosure relates to an elastic fiber, an elastic fiber covered yarn and reeling manufacturing methods thereof The reeling manufacturing method of an elastic fiber includes: providing an elastic fiber material, the elastic fiber material having a core portion and a skin portion, the skin portion covering the core portion; performing a first extending, to have the elastic fiber material passing a first guiding roller, the speed of the first guiding roller being 500-1500 m/min; performing a second extending, to have the elastic fiber material passing a second guiding roller, the speed of the second guiding roller being 1200-2400 m/min; and performing a third extending, to have the elastic fiber material passing a third guiding roller, the speed of the third guiding roller is 1300-2600 m/min.
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