Anhydrous fiber-dyeing apparatus and method using vacuum transfer, and fiber manufactured by dyeing method
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United States of America
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Nov 5, 2024
Grant Date -
Dec 15, 2022
app pub date -
Nov 12, 2020
filing date -
Nov 12, 2020
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Abstract
An anhydrous fiber-dyeing apparatus using vacuum transfer, includes: a hollow drum in which a plurality of fine holes are formed to penetrate therethrough, and a fiber to be dyed are wound around an outer surface thereof; a transfer film covering the outer surface of the fiber wound around the drum and having an inner side surface coated with a dye; heating means heating the fiber wound around the drum; and a vacuum means suctioning air through an inner space of the drum to form a vacuum pressure through the fine holes of the drum.
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