US20250194724A1 - Fiber bundle for artificial hair, method for manufacturing fiber bundle for artificial hair, and in-process fiber band - Google Patents

Fiber bundle for artificial hair, method for manufacturing fiber bundle for artificial hair, and in-process fiber band Download PDF

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Publication number
US20250194724A1
US20250194724A1 US18/849,923 US202318849923A US2025194724A1 US 20250194724 A1 US20250194724 A1 US 20250194724A1 US 202318849923 A US202318849923 A US 202318849923A US 2025194724 A1 US2025194724 A1 US 2025194724A1
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United States
Prior art keywords
fiber
fibers
strip
length
end region
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Pending
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US18/849,923
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English (en)
Inventor
Aki Kano
Yu NAKAMURA
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Kaneka Corp
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Kaneka Corp
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Assigned to KANEKA CORPORATION reassignment KANEKA CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NAKAMURA, YU, KANO, AKI
Publication of US20250194724A1 publication Critical patent/US20250194724A1/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • A41G5/004—Hair pieces
    • A41G5/0046—Hair pieces forming hair extensions from bundles of hair
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed

Definitions

  • a fiber bundle for artificial hair is often attached to a head of the user in a manner that the center is bent and both ends become hair ends.
  • both ends of the conventional fiber bundle for artificial hair are aligned linearly at the time of cutting, hair ends are aligned linearly when the fiber bundle for artificial hair is attached to a head, resulting in a hairstyle giving a heavy and unnatural impression.
  • an object of the present invention is to provide a fiber bundle for artificial hair, a method for manufacturing a fiber bundle for artificial hair, and an in-progress fiber strip, which can reproduce light and natural hair ends as compared with the conventional technique.
  • a fiber bundle for artificial hair including a plurality of fibers and a fixing part that fixes an intermediate portion of the plurality of fibers, wherein the plurality of fibers are bundled by the fixing part, and both longitudinal ends thereof are not aligned, and when 300 fibers are randomly extracted from the plurality of fibers and the extracted 300 fibers are placed in order of length, in a range of 50th to 250th fibers counting from longer ones, a difference in length between adjacent fibers is 3 cm or less, and a number of fibers having a same length is 30 or less.
  • Standard length as used here means that a difference is less than 1 cm. That is, in a case where a value obtained by rounding up first and subsequent decimal places is the same, the length is considered to be the same.
  • a total length thereof is 1 m or more.
  • the fiber has a crimp.
  • One aspect of the present invention is a method for manufacturing a fiber bundle for artificial hair, the method including a strip-shaped body forming step of forming a strip-shaped body by arranging fibers in a strip shape and a cutting step of cutting an intermediate portion of the strip-shaped body so that a cut portion satisfies a condition (1) or (2) below:
  • a length distribution of the fibers can be easily adjusted, and gaps can be formed between the fibers without a large bias.
  • the first projecting portion has a triangular shape or an arc shape.
  • a preferred aspect includes a hackling step that is a step after the cutting step, the hackling step including forming a bundle-like body by bundling the cut strip-shaped body, and performing hackling of the bundle-like body.
  • One aspect of the present invention is an in-progress fiber strip used for manufacturing a fiber bundle for artificial hair, the in-progress fiber strip including a plurality of fibers arranged in a strip shape and a first end region on one end side in a longitudinal direction, the first end region satisfying a condition (3) or (4) below:
  • the in-progress fiber strip further includes a second end region on another end side in the longitudinal direction, the second end region satisfying a condition (5) or (6) below:
  • the first projecting portion has a triangular shape or an arc shape.
  • an angle of a vertex of the first projecting portion is 10 degrees or more and 70 degrees or less.
  • FIG. 1 is a perspective view schematically illustrating a fiber bundle for artificial hair according to a first embodiment of the present invention.
  • FIGS. 2 A and 2 B are explanatory diagrams of a first in-progress fiber strip according to the first embodiment of the present invention, in which FIG. 2 A is a plan view of the first in-progress fiber strip, and FIG. 2 B is a plan view illustrating an outline (contour) of a main part of FIG. 2 A .
  • FIGS. 3 A and 3 B are explanatory diagrams of a second in-progress fiber strip according to the first embodiment of the present invention, in which FIG. 3 A is a plan view of the second in-progress fiber strip, and FIG. 3 B is a plan view illustrating an outline (contour) of a main part of FIG. 3 A .
  • FIGS. 4 A and 4 B are explanatory diagrams of a manufacturing process of the fiber bundle for artificial hair of FIG. 1 , in which FIG. 4 A is a plan view of a strip-shaped body in a strip-shaped body forming step, and FIG. 4 B is a plan view of an in-progress fiber strip after cutting in a cutting step.
  • FIGS. 5 A and 5 B are explanatory diagrams of the in-progress fiber strip according to a second embodiment of the present invention, in which FIG. 5 A is a plan view of the first in-progress fiber strip, and FIG. 5 B is a plan view of the second in-progress fiber strip.
  • FIGS. 6 A to 6 D are explanatory diagrams of the in-progress fiber strip according to Example 4 of the present invention and Comparative Examples 1 to 3, in which FIG. 6 A is a plan view of Example 4, FIG. 6 B is a plan view of Comparative Example 1, FIG. 6 C is a plan view of Comparative Example 2, and FIG. 6 D is a plan view of Comparative Example 3.
  • FIG. 7 shows a photograph capturing a product fiber bundle of Examples 1 to 4 of the present invention and Comparative Examples 1 to 3.
  • FIG. 8 shows a photograph capturing a product fiber bundle of Examples 1 to 4 of the present invention and Comparative Examples 1 to 3 when the product fiber bundle is formed into a braid.
  • FIGS. 9 A and 9 B are explanatory diagrams of an experiment result of Example 1 of the present invention, in which FIG. 9 A is a histogram when 300 fibers are randomly extracted from an in-progress fiber strip, and FIG. 9 B is a graph in which 300 fibers are randomly extracted from an in-progress fiber strip and placed in order of length.
  • FIGS. 10 A and 10 B are explanatory diagrams of an experiment result of Example 4 of the present invention, in which FIG. 10 A is a histogram when 300 fibers are randomly extracted from an in-progress fiber strip, and FIG. 10 B is a graph in which 300 fibers are randomly extracted from an in-progress fiber strip and arranged in order of length.
  • FIGS. 11 A and 11 B are explanatory diagrams of an experiment result of Comparative Example 1 of the present invention, in which FIG. 11 A is a histogram when 300 fibers are randomly extracted from an in-progress fiber strip, and FIG. 11 B is a graph in which 300 fibers are randomly extracted from an in-progress fiber strip and arranged in order of length.
  • FIGS. 12 A and 12 B are explanatory diagrams of an experiment result of Comparative Example 2 of the present invention, in which FIG. 12 A is a histogram when 300 fibers are randomly extracted from an in-progress fiber strip, and FIG. 12 B is a graph in which 300 fibers are randomly extracted from an in-progress fiber strip and arranged in order of length.
  • FIGS. 13 A and 13 B are explanatory diagrams of an experiment result of Comparative Example 3 of the present invention, in which FIG. 13 A is a histogram when 300 fibers are randomly extracted from an in-progress fiber strip, and FIG. 13 B is a graph in which 300 fibers are randomly extracted from an in-progress fiber strip and arranged in order of length.
  • a fiber bundle 1 for artificial hair according to a first embodiment of the present invention constitutes a kind of head ornament selected from a group including a hair wig, a hairpiece, weaving, a hair extension, braid hair, a hair accessory, and doll hair.
  • the fiber bundle 1 for artificial hair is a fiber bundle in which a plurality of fibers 2 are bundled at a fixing part 3 , is used by being folded back near the fixing part 3 , and extends in a predetermined direction as a whole in a folded state.
  • the fiber bundle 1 for artificial hair includes the fibers 2 of a plurality of kinds of lengths.
  • Example 3 was obtained in the same manner as Example 1 except that an in-progress fiber strip having three recesses in each end region as illustrated in FIG. 5 A was formed.
  • a bilaterally symmetrical brush-like fiber bundle in which a hair amount was decreased toward hair ends was evaluated as o, and other fiber bundles (for example, one in which a hair amount does not change even on the hair ends side, one that is not bilaterally symmetrical, one that is not brush-like, and the like) were evaluated as x.
  • a professional beauty evaluator divided a fiber bundle into two or three pieces, and evaluated resistance when the fiber bundle was divided.
  • One that the beauty evaluator determined as having low resistance at the time of dividing a fiber bundle was evaluated as good hair handleability that is o, and others were evaluated as x.
  • a professional beauty evaluator made a braid, and a fiber bundle whose braid was finished into a pencil shape toward hair ends and hair ends are stopped without unraveling was evaluated as o, and others were evaluated as x.
  • Photographs taken Examples 1 to 4 and Comparative Examples 1 to 3 are illustrated in FIG. 7
  • photographs of Examples 1 to 4 and Comparative Examples 1 to 3 taken after being braided are illustrated in FIG. 8 .
  • Examples 1 to 4 as shown in Table 1, sensory evaluation was excellent for all of appearance, combing property, hair handleability, and braiding property as compared with Comparative Examples 1 to 3.
  • Example 1 Example 4, and Comparative Examples 1 to 3
  • a histogram obtained by randomly extracting 300 fibers from a fiber bundle for artificial hair and dividing the fibers by each length, and a graph obtained by plotting the extracted 300 fibers in order of length are illustrated in FIGS. 9 to 13 .
  • Comparative Example 1 in which fibers having two kinds of lengths were used, as illustrated in FIG. 11 A , peaks were formed at lengths of around 69 cm and 98 cm in the histogram, and the number of fibers having the same length was more than 30 at the peak around 69 cm.
  • Comparative Example 1 a graph in which transition of a fiber length was stepwise and continuous was obtained as in FIG. 11 B , and there was a portion (steep portion) where the length greatly changed between 50th and 100th fibers counting from the longer ones.
  • Comparative Example 2 in which fibers having the same length were used, as illustrated in FIG. 12 A , a peak was formed around a length of 102 cm in a histogram, and in the peak, the number of fibers having the same length was more than 30, and in a range from 50th to 250th fibers counting from the longer ones, a difference between lengths of adjacent fibers was 3 cm or less.
  • Comparative Example 2 a graph in which transition of a fiber length was a gently continuous almost entirely was obtained as illustrated in FIG. 12 B .
  • Comparative Example 3 in which an end region having one projecting portion only on one side was formed, as illustrated in FIG. 13 A , fibers were moderately dispersed in a histogram, and one broad peak was formed, and in the peak, the number of fibers having the same length was 30 or less, and in a range from 50th to 250th fibers counting from the longer ones, a difference between lengths of adjacent fibers was 3 cm or less.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Decoration Of Textiles (AREA)
US18/849,923 2022-03-25 2023-02-07 Fiber bundle for artificial hair, method for manufacturing fiber bundle for artificial hair, and in-process fiber band Pending US20250194724A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-049352 2022-03-25
JP2022049352 2022-03-25
PCT/JP2023/003938 WO2023181672A1 (ja) 2022-03-25 2023-02-07 人工毛髪用繊維束、人工毛髪用繊維束の製造方法、及び仕掛繊維帯

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US (1) US20250194724A1 (enrdf_load_stackoverflow)
JP (1) JPWO2023181672A1 (enrdf_load_stackoverflow)
WO (1) WO2023181672A1 (enrdf_load_stackoverflow)

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CN119318410A (zh) * 2024-10-22 2025-01-17 新华锦集团山东海川工艺发制品有限公司 一种幅度发束产品的制造方法

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JPH0414415Y2 (enrdf_load_stackoverflow) * 1986-04-09 1992-03-31
US10945478B1 (en) * 2016-12-15 2021-03-16 JBS Hair Inc. Packaged synthetic braiding hair
US20210030094A1 (en) * 2019-08-01 2021-02-04 Hyun Han Eco-friendly crochet style synthetic braiding hair and its manufacturing method
JP3225277U (ja) * 2019-12-12 2020-02-20 株式会社カネカ 付け毛セット

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AS Assignment

Owner name: KANEKA CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KANO, AKI;NAKAMURA, YU;SIGNING DATES FROM 20240719 TO 20240826;REEL/FRAME:068666/0959