TWISTED YARN, TWISTED YARN PRODUCTION DEVICE AND TWISTED YARN PRODUCTION PROCESS
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United States of America Patent
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Issued Date -
Sep 21, 2023
app pub date -
Sep 9, 2022
filing date -
Mar 15, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
The invention discloses a twisted yarn, a twisted yarn production device and a twisted yarn production process. The twisted yarn is obtained from an air-covered yarn and a core-spun spandex yarn through doubling, twisting and winding. Compared with the prior art, the invention utilizes the feature that the air-covered yarn has rhythmic network points. After the air-covered yarn and the core-spun spandex yarn are made into a twisted yarn, the air-covered yarn can clamp the core-spun spandex yarn, thereby effectively preventing the retraction of the spandex in the core-spun spandex yarn.
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