WO2023224126A1 - ニット製品、及びニット製品の製造方法 - Google Patents

ニット製品、及びニット製品の製造方法 Download PDF

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Publication number
WO2023224126A1
WO2023224126A1 PCT/JP2023/018819 JP2023018819W WO2023224126A1 WO 2023224126 A1 WO2023224126 A1 WO 2023224126A1 JP 2023018819 W JP2023018819 W JP 2023018819W WO 2023224126 A1 WO2023224126 A1 WO 2023224126A1
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WO
WIPO (PCT)
Prior art keywords
yarn
heat
fusible
ground
knitting
Prior art date
Application number
PCT/JP2023/018819
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English (en)
French (fr)
Japanese (ja)
Inventor
友厚 山尾
Original Assignee
株式会社ジェーピー・アバンス
アバンス インターナショナル カンパニー リミテッド
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Application filed by 株式会社ジェーピー・アバンス, アバンス インターナショナル カンパニー リミテッド filed Critical 株式会社ジェーピー・アバンス
Priority to JP2023567051A priority Critical patent/JPWO2023224126A1/ja
Publication of WO2023224126A1 publication Critical patent/WO2023224126A1/ja

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting

Definitions

  • the present invention relates to knit products such as sweaters and cardigans.
  • High-stretch and low-stretch parts are used as circular knit fabrics for knit products such as complementary innerwear products such as girdles, leggings, and bras, as well as compression wear such as sports bottom wear and sports underwear.
  • knit products such as complementary innerwear products such as girdles, leggings, and bras, as well as compression wear such as sports bottom wear and sports underwear.
  • complementary innerwear products such as girdles, leggings, and bras
  • compression wear such as sports bottom wear and sports underwear.
  • the ground yarn is the same in the low elongation part and the high elongation part, the low elongation part contains heat-fusible yarn, and at least a part of the heat-fusible yarn is mutually bonded. It is heat fused.
  • elastic yarns such as polyurethane-based and polyetherester-based yarns are used.
  • the heat-fusible yarn in the circular knitted fabric of Patent Document 1 is a fiber that has the property of being melted and fused by heat treatment at 120° C. for 1 minute with dry heat or heat treatment at 110° C. for 30 seconds with wet heat, and is a polyamide fiber. , polyester fiber, polyurethane fiber, etc. are used.
  • knits have continuously connected loops, they have advantages over woven fabrics, such as being highly stretchable and flexible, as well as being highly effective at retaining heat.
  • knitted products that use natural fiber yarns and/or synthetic fiber yarns in general have disadvantages such as being prone to losing their shape, such as stretching due to gravity when hung on a hanger, and shrinking when washed. be.
  • the hydrophilic fibers absorb water and become thicker and shorter, sometimes shrinking by about 10%, for example.
  • the fibers become entangled and shrink (felted) when knitted products are subjected to force such as kneading, rubbing, or pressing while wet, such as when washing them with water.
  • force such as kneading, rubbing, or pressing while wet, such as when washing them with water.
  • the purpose of the present invention is to effectively suppress the expansion and contraction of the base threads of knit products using natural fiber yarns and/or synthetic fiber yarns without impairing the texture and without using large-scale heat treatment equipment. do.
  • the knit product according to the first aspect of the present invention is a knit product using natural fiber yarn and/or synthetic fiber yarn.
  • a heat-fusible yarn that melts at 105° C. or lower is fused to all or part of the ground yarn.
  • a knit product according to a second aspect of the present invention is a knit product according to the first aspect, in which the knit product is produced using a flat knitting machine.
  • the knit product according to the third aspect of the present invention is the knit product according to the first aspect or the knit product according to the second aspect, wherein the heat-fusible yarn is a nylon heat-fusible yarn having a melting point of 75°C or more and 90°C or less. It is.
  • the fineness of the heat-fusible yarn is 30 denier or more and 150 denier or less.
  • the method for producing a knitted product according to the fifth aspect of the present invention includes knitting a heat-fusible yarn that melts at 105° C. or lower into all or part of the base yarn, which is a natural fiber yarn and/or a synthetic fiber yarn, while A first step of manufacturing a knit product in which the heat-fusible yarn is not melted using a flat knitting machine; and a step of melting the heat-fusible yarn using a steam iron for the knit product that has undergone the first step; and a second step of fusing the heat-fusible yarn to the base yarn.
  • a method for producing a knit product according to a sixth aspect of the present invention is a method for producing a knit product according to the fifth aspect, wherein the heat-fusible yarn is a nylon heat-fusible yarn having a melting point of 75° C. or more and 90° C. or less. .
  • the knit products according to the present invention and the knit products manufactured by the method for manufacturing knit products according to the present invention use natural fiber yarns and/or synthetic fiber yarns. Since the heat-fusible yarn is fused to all or part of the base yarn, expansion and contraction of the base yarn, which is a natural fiber yarn and/or a synthetic fiber yarn, can be suppressed.
  • the knit product While knitting the heat-fusible yarn into all or part of the ground yarn, which is a natural fiber yarn and/or synthetic fiber yarn, the knit product is knitted with the heat-fusible yarn in a state where the heat-fusible yarn is not melted, for example, using a flat knitting machine.
  • a flat knitting machine By manufacturing by forming knitting by using knitting, it is possible to efficiently manufacture a knit product in which the heat-fusible yarn is not melted while reducing the amount of yarn used and cutting loss.
  • the steam iron can be moved to apply steam to the desired location of the knit product where the heat-fusible yarn is present, without using a large-scale heat treatment device.
  • the heat-fusible yarn can be melted and bonded to the base yarn by an efficient operation using an iron. Therefore, the texture of the knitted product is not impaired, and small-lot, short-cycle production that meets the individualization and diversification of consumer needs becomes possible.
  • the knitted product of the present invention uses natural fiber yarn and/or synthetic fiber yarn. That is, the knitted product is one that uses only natural fiber yarn, one that uses only synthetic fiber yarn, or one that uses blended yarn that is a mixture of natural fiber and synthetic fiber at a predetermined mixing ratio.
  • the fineness of the yarn is from 1st to 100th.
  • the natural fiber yarn for example, cotton yarn, wool yarn, animal wool yarn, etc. are used.
  • the synthetic fiber thread acrylic, polyester, etc. are used.
  • the knitted products of the present invention include all knitted products made using a flat knitting machine, such as clothing such as sweaters, cardigans, dresses, and skirts, bags such as tote bags, handbags, and backpacks, and shoulder pads and knee pads. These are retrofitted pads for clothing such as clothing.
  • the type of knitting method for the knitted product of the present invention is not limited. That is, the knitting method for the knit product of the present invention may be any method as long as it can be flat knitted, such as jersey knitting, rib knitting, Milano rib knitting, ridge knitting, pique knitting, garter knitting (purl knitting), and openwork knitting.
  • a heat-fusible yarn that melts at 105° C. or lower is fused to all or part of the base yarn, which is a natural fiber yarn and/or a synthetic fiber yarn.
  • the heat-fusible yarn melts at a temperature of 105°C or less, and is, for example, a nylon heat-fusible yarn with a melting point of 75°C or more and 90°C or less.
  • the fineness of the heat-fusible yarn is 30 denier or more and 150 denier or less, and is used depending on the thickness and hardness of the knitted fabric to achieve the desired texture.
  • the heat-fusible yarn is fused to all or part of the ground yarn, which is a natural fiber yarn and/or a synthetic fiber yarn, expansion and contraction of the ground yarn can be suppressed.
  • the shrinkage ratio of the natural fibers can be controlled by knitting the natural fibers of the ground yarn and the heat-fusible yarn in a required distribution.
  • the knitted product of the present invention is manufactured using a flat knitting machine that creates a shape according to a pattern.
  • a knit product in which a heat-fusible yarn that melts at 105° C. or lower is knitted into all or part of the ground yarn, which is a natural fiber yarn and/or a synthetic fiber yarn, but the heat-fusible yarn is not melted. is manufactured using a flat knitting machine (first step). For example, by manufacturing knit products by forming knitting using a flat knitting machine, knit products can be efficiently manufactured in a state where the heat-fusible yarn is not melted while reducing the amount of yarn used and cutting loss. can.
  • the heat-fusible yarn is melted using a steam iron that injects high-temperature steam from a hole in the bottom of the knit product in which the heat-fusible yarn is not melted, and the heat-fusible yarn is melted onto the base yarn.
  • Fusing the heat-fusible thread (second step). Since the heat-fusible yarn melts at temperatures below 105°C, it is possible to apply an electric current of, for example, 1000W to 1500W to apply steam to the required locations of the knit product where the heat-fusible yarn is present, without using a large-scale heat treatment device.
  • the heat-fusible yarn can be melted and bonded to the ground yarn by efficient operation using the steam iron by moving the steam iron.
  • a nylon heat-fusible thread having a melting point of 75°C or more and 90°C or less is used as the heat-fusible thread that melts at 105°C or less.
  • nylon heat-adhesive threads with a melting point of 75°C or more and 90°C or less examples include CHANGZHOU CITY LINGXIAN TEXTILE EQUIPMENT CO., LTD.'s "nylon heat-adhesive thread” (melting point 80°C) or Mitsubishi Chemical Corporation's "Nylon heat-adhesive thread” (melting point 80°C) Japanese heat-sealing yarn 78T (melting point: 85°C) can be used.
  • the ground yarn (1) looped by the latch needles on the front needle bed and the latch needles on the rear needle bed.
  • the ground yarns of rubber knitting (rib knitting) (2) the ground yarns that loop only with the back needles on the back needle bed, and (3) the ground threads that loop only with the back needles of the front needle bed, (2) ) and (3), align the heat-fusible yarn with the ground yarn (knit the heat-fusible yarn).
  • the heat-fusible yarn is aligned with the ground yarn of the rubber knit (2) (the heat-fusible yarn is knitted).
  • the magnitude of the tension (width of expansion and contraction) of a knitted product is adjusted as follows, for example, by how the heat-fusible yarn is inserted into the base yarn of the course, which is a row of loops arranged in the horizontal direction of the knitted fabric.
  • the object of evaluation is a Milanese rib knit sweater (ground yarn is 100% cotton with a count of 2/100).
  • Example and comparative example In the knitting diagram of Milano rib knitting shown in Figure 1, only the ground yarn of rubber knitting (1 x 1 rib) in (1) is made of Mitsubishi Chemical Corporation's 50 denier "Japanese heat-sealing yarn 78T" (melting point 85°C).
  • the sweater is produced by aligning the above-mentioned sweaters using a flat knitting machine, and the heat-fusible yarn is melted and fused to the base yarn using a steam iron.
  • the sweater without the heat-fusible yarn is taken as a comparative example.
  • the body length, body width, and sleeve length After washing and drying the sweater of the comparative example once, the body length, body width, and sleeve length have shrunk, and the hem width has lengthened. After washing and drying the sweater of the comparative example five times, the body length and body width have shrunk, and the sleeve length and hem width have increased. After washing and drying the sweater of the comparative example five times, the amount of shrinkage in the length was as large as 6.3%.
  • the length, body width, sleeve length, and hem width of the sweater of the example were shrunk both after washing and drying once and after washing and drying five times.
  • the amount of shrinkage of the body length, which has the largest amount of shrinkage is 1.7%.
  • This amount of shrinkage in body length (1.7%) was suppressed to about 57% compared to the amount of shrinkage in body length (3.0%) after one wash and drying of the sweater of the comparative example.
  • the amount of shrinkage of the garment length, which is the largest amount of shrinkage was 3.7%.
  • This amount of shrinkage in the length (3.7%) was suppressed to about 59% compared to the amount of shrinkage in the length of the sweater of the comparative example (6.3%) after washing and drying 5 times.
  • the sweater of the example has much higher shape stability after repeated washing and drying and the maximum amount of shrinkage is significantly smaller than the sweater of the comparative example.
  • the knit products according to the embodiments of the present invention as described above use natural fiber yarns and/or synthetic fiber yarns. Since the heat-fusible yarn is fused to all or part of the base yarn, which is a natural fiber yarn and/or a synthetic fiber yarn, expansion and contraction of the base yarn can be suppressed.
  • the steam iron can be moved to apply steam to the desired location of the knit product where the heat-fusible yarn is present, without using a large-scale heat treatment device.
  • the heat-fusible yarn can be melted and bonded to the base yarn by an efficient operation using an iron. Therefore, the texture of the knitted product is not impaired, and small-lot, short-cycle production that meets the individualization and diversification of consumer needs becomes possible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
PCT/JP2023/018819 2022-05-19 2023-05-19 ニット製品、及びニット製品の製造方法 WO2023224126A1 (ja)

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JP2022082074 2022-05-19

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1096144A (ja) * 1996-09-17 1998-04-14 Araco Corp シートカバー
JP2004149971A (ja) * 2002-10-31 2004-05-27 Unitica Fibers Ltd ホットメルト型接着性繊維及びその製造方法
WO2011040359A1 (ja) * 2009-09-30 2011-04-07 日清紡テキスタイル株式会社 織編物
JP2022007889A (ja) * 2020-06-19 2022-01-13 小松マテーレ株式会社 マスク

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1096144A (ja) * 1996-09-17 1998-04-14 Araco Corp シートカバー
JP2004149971A (ja) * 2002-10-31 2004-05-27 Unitica Fibers Ltd ホットメルト型接着性繊維及びその製造方法
WO2011040359A1 (ja) * 2009-09-30 2011-04-07 日清紡テキスタイル株式会社 織編物
JP2022007889A (ja) * 2020-06-19 2022-01-13 小松マテーレ株式会社 マスク

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