METHOD FOR MANUFACTURING ELASTIC FIBER AND ELASTIC FIBER
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Oct 27, 2023
filing date -
Dec 6, 2022
priority date (Note) -
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Abstract
A method for manufacturing an elastic fiber and the elastic fiber are provided. The method includes: providing a thermoplastic polyester elastomer; drying the thermoplastic polyester elastomer; melting the thermoplastic polyester elastomer by an extruder to form a melt; extruding the melt by a spinneret plate to form a plurality of filamentous streams; feeding the filamentous streams into a spinning channel for cooling and curing to form a plurality of monofilaments; and bundling and oiling the monofilaments by an oil wheel, after extending and guiding the monofilaments by a first godet roller and a second godet roller, and winding the monofilaments by a winder to obtain a thermoplastic polyester elastic fiber.
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