FIBER BUNDLE FOR ARTIFICIAL HAIR AND METHOD FOR PRODUCING FIBER BUNDLE FOR ARTIFICIAL HAIR
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Mar 14, 2024
filing date -
Mar 17, 2023
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Abstract
Provided is a method for producing a fiber bundle for artificial hair. The method includes a first cutting process of cutting a first fiber strip obtained by arranging first fibers so that a cut part includes a first linear section extending linearly at an angle of >0 degrees and ≤60 degrees, and a second linear section extending linearly at an angle of ≤120 degrees relative to the first linear section, to form a first cut fiber strip; a second cutting process of cutting a second fiber strip obtained by arranging second fibers to form a second cut fiber strip; and a hackling process of gathering the first and second cut fiber strips in a bundle and hackling the bundle. A total length of the second cut fiber strip is shorter than a length of a shortest first fiber of the first cut fiber strip.
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