WO2024254067A2 - Tissus étirables et utilisations associées - Google Patents

Tissus étirables et utilisations associées Download PDF

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Publication number
WO2024254067A2
WO2024254067A2 PCT/US2024/032404 US2024032404W WO2024254067A2 WO 2024254067 A2 WO2024254067 A2 WO 2024254067A2 US 2024032404 W US2024032404 W US 2024032404W WO 2024254067 A2 WO2024254067 A2 WO 2024254067A2
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WO
WIPO (PCT)
Prior art keywords
equal
clothing
article
less
fabric layer
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PCT/US2024/032404
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English (en)
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WO2024254067A3 (fr
Inventor
Lawrence Scheer
Lauren LEVY
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Magnificent Baby LLC
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Magnificent Baby LLC
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Publication date
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Priority to AU2024283862A priority Critical patent/AU2024283862A1/en
Publication of WO2024254067A2 publication Critical patent/WO2024254067A2/fr
Publication of WO2024254067A3 publication Critical patent/WO2024254067A3/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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Classifications

    • 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
    • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
    • 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
    • A41D31/08—Heat resistant; Fire retardant

Definitions

  • flame resistant fibers may be used in the fabric or the fabric may be treated with flame resistant chemical additives. Often times, flame resistant fibers feel scratchy and/or synthetic, making them uncomfortable to wear, whereas flame resistant chemical additives may present other safety hazards that are undesirable.
  • Tight-fitting clothing decreases the likelihood of the article of clothing catching fire when, for instance, around a heat source. In some cases, however, tight- fitting clothing may not be sized correctly and thus may not fit appropriately.
  • Some aspects of the present disclosure are related to stretchable fabrics, for example, for use in articles of clothing.
  • the subject matter of the present disclosure involves, in some cases, interrelated products, alternative solutions to a particular problem, and/or a plurality of different uses of one or more systems and/or articles.
  • the article of clothing comprises a fabric layer comprising greater than or equal to 1 wt% and less than or equal to 10 wt% elastane fibers, greater than or equal to 20 wt% and less than or equal to 50 wt% cellulosic fibers, and greater than or equal to 40 wt% and less than or equal to 80 wt% flame resistant fibers.
  • the fabric layer of the article of clothing has a stiffness of no more than 100 N/m according to an ASTM DI 388- 18 standard test.
  • the fabric layer of the article of clothing stretches by less than or equal to 2 cm when tested according to an ASTM D2594/2594M-21 standard test.
  • Some aspects are directed to articles of clothing (e.g., as defined as a tight-fitting garment as defined in 16 CFR 1615.1(c) or 16 CFR 1616.2(m)).
  • the fabric layer of the article of clothing passes the flammability test according to 16 CFR Part 1615/1616.
  • the fabric layer of the article of clothing has a basis weight of greater than 100 gsm and less than or equal to 300 gsm.
  • the fabric layer of the article of clothing has a thickness of greater than 0.1 mm and less than 2 mm. According to some embodiments, the wherein the article of clothing is sized for children’s wear.
  • the article of clothing of claim 8 wherein a size of the article of clothing is US sizes NB-3M, 3M-6M, 6M-9M, 3M-9M, 9M-12M, 12M-18M, 12M-24M, 2T, 3T, 4T, 5T, 5Y-8Y, and foreign equivalents.
  • the article of clothing is sized for adult wear.
  • the article of clothing is configured to stretch such that the article of clothing may fit a range of sizes.
  • the article of clothing is selected from the group consisting of footies, coveralls, gowns, separates, dresses, rompers, twotie, bibs, hats, headbands, swaddles, pajamas, shirts, coats, underwear, loungewear, gowns, robes, cardigans, nursing wear, and the like.
  • the article of clothing further comprises a closure.
  • the closure is magnetic fastener.
  • the fabric layer of the article of clothing further comprises dyes, pigments, or the like.
  • the cellulosic fibers are selected from the group consisting of modal, Lyocell, and rayon.
  • the flame-resistant fibers of the article of clothing are selected from the group consisting of modacrylic, rayon, silk, nylon, polyester, and cotton.
  • the article of clothing comprises a fabric layer comprising greater than or equal to 55 wt% and less than or equal to 65 wt% modacrylic, greater than or equal to 30 wt% and less than or equal to 40 wt% modal, and greater than or equal to 2 wt% and less than or equal to 8 wt% elastane.
  • the article of clothing comprises a fabric layer consisting of elastane fibers, cellulosic fibers, and flame-resistant fibers. In some embodiments, the article of clothing comprises a fabric layer consisting of modacrylic fibers, modal fibers, and spandex fibers.
  • FIG. 1 is a schematic illustration of an article of clothing, according to some embodiments.
  • the fabrics comprise various combinations of different types of fibers, which may result in the fabrics having desirable combinations of properties.
  • the fabrics may comprise flame -resistant fibers, cellulosic fibers, and/or elastane fibers, wherein the fabrics are relatively soft, stretchable, and flame resistant.
  • Some aspects of the present disclosure are related to articles of clothing comprising the fabrics.
  • the articles of clothing may be suitably sized for children’s clothing, wherein the combination of properties may enhance wearability and/or safety of the article of clothing, relative to clothing comprising conventional fabrics. Other types of articles of clothing are also possible.
  • the fabrics described herein may stretch with the growth of the wearer.
  • a child may wear an article of clothing comprising the fabrics described herein having a particular size.
  • the child may grow (e.g., as the child ages), and the fabric layer of the article of clothing may stretch comfortably to accommodate the child’s growth (e.g., beyond the original size of the article).
  • the blends of fibers described herein may provide advantageous and desirable stretchability as compared to other fiber blends.
  • flame resistant fibers may be used in the fabric and/or the fabric may be treated with flame resistant chemical additives.
  • flame resistant fibers may feel scratchy and/or feel synthetic, making the articles of clothing generally uncomfortable to wear.
  • flame resistant chemical additives may, in some cases, present undesirable safety hazards.
  • an alternative solution to flame-resistant fabrics may be to make tight-fitting clothing to avoid loose fits. Tight-fitting clothing decreases the likelihood of the article of clothing catching fire when, for instance, around a heat source. However, in some cases, tight-fitting clothing may not be sized correctly and thus may not fit the wearer appropriately.
  • the fabric layers of the present disclosure may comprise flame-resistant fibers and/or other fibers, for example, cellulosic fibers and/or elastane fibers.
  • the combinations of fibers as disclosed herein advantageously provide desirable properties, in some embodiments, such as flame resistance without undesirable properties such as a scratchy and/or synthetic feel which is common with conventional flame-resistant fabrics.
  • Some of the fiber combinations may be flame resistant, while also being relatively soft and/or stretchable, which may increase the wearability (e.g., comfort of material, size of fit, durability and/or lifespan of the article) of any articles of clothing comprising the fabric layer.
  • the fiber combinations described herein may desirably stretch, and accordingly may be configured to fit as different sizes and/or a size of ranges (e.g., S-M size clothing, as described in more detail elsewhere herein).
  • the flame resistance of the fabric enhances safety
  • the softness of the fabric provides desired comfort
  • the stretchability of the fabric may allow for the article of clothing to be worn as a tight-fitting article of clothing for a relatively long time (e.g., greater than or equal to 1 month, greater than or equal to 2 months, greater than or equal to 3 months, or other time periods as disclosed elsewhere herein) without being too small, for instance, as the child grows, as compared to, for example, tight fitting clothing without the inventive combination of fibers disclosed herein.
  • FIG. 1 shows an exemplary embodiment of an article of clothing 100.
  • the article of clothing 100 may comprise fabric layer 110, wherein fabric layer 110 is flame-resistant.
  • the fabric layer is flame-resistant without comprising any flame-resistant chemical additives.
  • the fabric layer may comprise one or more flame-resistant chemical additives.
  • article of clothing 100 in FIG. 1 is generally depicted as a shirt, this is intended for illustrative purposes only and is not intended to be limiting.
  • the article of clothing may comprise any suitable number of types of clothing including, but not limited to, shirts, pants, jackets, bodysuits, etc.
  • the fabric layers of the present disclosure may consist of modal, modacrylic, and/or elastane fibers and may be flame resistant, relatively soft, and/or stretchable.
  • the fabric comprises greater than or equal to 35 wt% of modal fibers and elastane fibers, neither of which are generally considered flame-resistant. Accordingly, the inventors have recognized that, in some such cases, despite the relatively large wt% of non-flame-resistant fibers, flame-resistant fabrics may still be obtained by using the combinations of fibers as described herein, wherein the resulting fabric layers have other desirable properties (e.g., softness and/or stretchability).
  • the present disclosure is generally related to fabrics and articles of clothing comprising the fabrics, wherein the fabrics may exhibit desirable properties such as enhanced softness, stretchability, and/or flammability resistance, relative to conventional fabrics.
  • articles of clothing comprising a fabric layer are described, wherein the fabric layer comprises greater than 1 wt% and less than 10 wt% elastane fibers, greater than 20 wt% and less than 50 wt% cellulosic fibers, and greater than 40 wt% and less than or equal to 80 wt% flame resistant fibers.
  • the fabric layers described in the present disclosure may comprise a variety of suitable fibers, in some cases. Different fibers present within the fabric layers, according to some embodiments, may impart desirable properties to the fabric layer such as enhanced softness, stretchability, and/or flammability resistance, as described in more detail elsewhere herein.
  • the fabric layer may comprise elastane fibers, cellulosic fibers, and/or flame-resistant fibers.
  • the fabric layer may consist of elastane fibers (e.g., spandex fibers), cellulosic fibers, and/or flame-resistant fibers. Exemplary cellulosic fibers include modal, Lyocell, cotton, and rayon.
  • Non-limiting cases of flame-resistant fibers include modacrylic, nylon, olefin, wool, polyester, and acrylic.
  • the fabric layer may comprise modacrylic fibers, modal fibers, and/or spandex fibers.
  • the fabric layer may consist of fibers selected from the group of modacrylic fibers, modal fibers, and/or spandex fibers, according to an exemplary set of embodiments.
  • the fabric layer comprises flame-resistant fibers (e.g., modacrylic, rayon, silk, nylon, polyester, and/or cotton fibers).
  • flame-resistant fibers are present in the fabric layer in an amount of greater than or equal to 40 wt%, greater than or equal to 42 wt%, greater than or equal to 44 wt%, greater than or equal to 46 wt%, greater than or equal to 48 wt%, greater than or equal to 50 wt%, greater than or equal to 52 wt%, greater than or equal to 54 wt%, greater than or equal to 55 wt%, greater than or equal to 56 wt%, greater than or equal to 57 wt%, greater than or equal to 58 wt%, greater than or equal to 59 wt%, greater than or equal to 60 wt%, greater than or equal to 61 wt%, greater than or equal to 62 wt%, greater than or equal to 63 wt%, greater than or
  • flame-resistant fibers are present in an amount of less than or equal to 80 wt%, less than or equal to 78 wt%, less than or equal to 76 wt%, less than or equal to 74 wt%, less than or equal to 72 wt%, less than or equal to 70 wt%, less than or equal to 68 wt%, less than or equal to 66 wt%, less than or equal to 65 wt%, less than or equal to 64 wt%, less than or equal to 63 wt%, less than or equal to 62 wt%, less than or equal to 61 wt%, less than or equal to 60 wt%, less than or equal to 59 wt%, less than or equal to 58 wt%, less than or equal to 57 wt%, less than or equal to 56 wt%, less than or equal to 55 wt%, less than or equal to 54 wt%, less than or equal to 52 wt
  • the fabric layer comprises cellulosic fibers (e.g., modal, Lyocell, and/or rayon fibers).
  • cellulosic fibers are present in the fabric layer in an amount of greater than or equal to 20 wt%, greater than or equal to 22 wt%, greater than or equal to 24 wt%, greater than or equal to 26 wt%, greater than or equal to 28 wt%, greater than or equal to 30 wt%, greater than or equal to 31 wt%, greater than or equal to 32 wt%, greater than or equal to 33 wt%, greater than or equal to 34 wt%, greater than or equal to 35 wt%, greater than or equal to 36 wt%, greater than or equal to 37 wt%, greater than or equal to 38 wt%, greater than or equal to 39 wt%, greater than or equal to 40 wt%, greater than or equal to 42 wt%, greater than or equal to 44 wt%
  • cellulosic fibers are present in an amount of less than or equal to 50 wt%, less than or equal to 48 wt%, less than or equal to 46 wt%, less than or equal to 44 wt%, less than or equal to 42 wt%, less than or equal to 40 wt%, less than or equal to 39 wt%, less than or equal to 38 wt%, less than or equal to 37 wt%, less than or equal to 36 wt%, less than or equal to 35 wt%, less than or equal to 34 wt%, less than or equal to 33 wt%, less than or equal to 32 wt%, less than or equal to 31 wt%, less than or equal to 30 wt%, less than or equal to 28 wt%, less than or equal to 26 wt%, less than or equal to 24 wt%, less than or equal to 22 wt%, or less than or equal to 20 wt% of the total weight of the layer
  • the fabric layer comprises elastane fibers (e.g., spandex fibers).
  • elastane fibers are present in the fabric layer in an amount of greater than or equal to 1 wt%, greater than or equal to 2 wt%, greater than or equal to 3 wt%, greater than or equal to 4 wt%, greater than or equal to 5 wt%, greater than or equal to 6 wt%, greater than or equal to 7 wt%, greater than or equal to 8 wt%, greater than or equal to 9 wt%, or greater than or equal to 10 wt% of the total weight of the fabric layer.
  • elastane fibers are present in an amount of less than or equal to 10 wt%, less than or equal to 9 wt%, less than or equal to 8 wt%, less than or equal to 7 wt%, less than or equal to 6 wt%, less than or equal to 5 wt%, less than or equal to 4 wt%, less than or equal to 3 wt%, less than or equal to 2 wt%, or less than or equal to 1 wt% of the total weight of the layer.
  • the fabric layer may comprise flame resistant fibers (e.g., modacrylic, rayon, silk, nylon, polyester, and/or cotton fibers), cellulosic fibers (e.g., modal, Lyocell, and/or rayon fibers), and/or elastane fibers (e.g., spandex fibers).
  • flame resistant fibers e.g., modacrylic, rayon, silk, nylon, polyester, and/or cotton fibers
  • cellulosic fibers e.g., modal, Lyocell, and/or rayon fibers
  • elastane fibers e.g., spandex fibers
  • the weight of flame resistant fibers, cellulosic fibers, and elastane fibers in the fabric layer is greater than or equal to 61 wt%, greater than or equal to 65 wt%, greater than or equal to 70 wt%, greater than or equal to 75 wt%, greater than or equal to 80 wt%, greater than or equal to 85 wt%, greater than or equal to 87 wt%, greater than or equal to 88 wt%, greater than or equal to 89 wt%, greater than or equal to 90 wt%, greater than or equal to 91 wt%, greater than or equal to 92 wt%, greater than or equal to 93 wt%, greater than or equal to 94 wt%, greater than or equal to 95 wt%, greater than or equal to 96 wt%, greater than or equal to 97 wt%, greater than or equal to 98 wt%, greater than or equal to 99 wt%, or up
  • the weight of flame resistant fibers, cellulosic fibers, and elastane fibers in the fabric layer is less than or equal to 100 wt%, less than or equal to 99 wt%, less than or equal to 98 wt%, less than or equal to 97 wt%, less than or equal to 96 wt%, less than or equal to 95 wt%, less than or equal to 94 wt%, less than or equal to 93 wt%, less than or equal to 92 wt%, less than or equal to 91 wt%, less than or equal to 90 wt%, less than or equal to 89 wt%, less than or equal to 88 wt%, less than or equal to 87 wt%, less than or equal to 85 wt%, less than or equal to 80 wt%, less than or equal to 75 wt%, less than or equal to 70 wt%, less than or equal to 65 wt%
  • the fabric layer in some cases, comprises greater than or equal to 55 wt% and less than or equal to 65 wt% modacrylic fibers, greater than or 30 wt% and less than or equal to 40 wt% modal fibers, and greater than or equal to 2 wt% and less than or equal to 8 wt% of spandex fibers.
  • the fabric layer consists of greater than or equal to 55 wt% and less than or equal to 65 wt% modacrylic fibers, greater than or 30 wt% and less than or equal to 40 wt% modal fibers, and greater than or equal to 2 wt% and less than or equal to 8 wt% of spandex fibers.
  • the fabric layer comprises 60 wt% modacrylic fibers, 35 wt% modal fibers, and 5 wt% spandex fibers.
  • the fabric layer may be relatively soft, which may be advantageous, for example, when wearing articles of clothing comprising the fabric layer.
  • soft fabric layers may have a relatively low stiffness, which may be measured by an ASTM DI 388- 18 standard test.
  • the fabric layer may have a stiffness of greater than or equal to 1 N/m, greater than or equal to 2 N/m, greater than or equal to 3 N/m, greater than or equal to 5 N/m, greater than or equal to 10 N/m, greater than or equal to 50 N/m, greater than or equal to 100 N/m, greater than or equal to 200 N/m, greater than or equal to 300 N/m, greater than or equal to 500 N/m, greater than or equal to 800 N/m, or greater than or equal to 1000 N/m.
  • the fabric layer may have a stiffness of less than or equal to 1000 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 800 N/m, less than or equal to 5 N/m, less than or equal to 3 N/m, less than or equal to 2 N/m, or less than or equal to 1 N/m. Combinations of the foregoing ranges are possible (e.g., greater than or equal to 1 N/m and less than or equal to 100 N/m). Other ranges are also possible.
  • the fabric layer may be stretchable.
  • an article of clothing comprising stretchable fabric layer may be configured to stretch such that the article of clothing may fit a range of sizes.
  • the stretchable fabric may facilitate a comfortable fit when wearing an article of clothing comprising the fabric.
  • the article of clothing may be sized such that it may be defined as a tight-fitting garment according to 16 CFR 1615.1(c) and/or 16 CFR 1616.2(m) and may also be stretchable such that it may also fit larger sizes than its initial size (e.g., by stretching).
  • fabric after stretching, fabric may recover its original dimensions and/or grow (e.g., stretch without returning to its original dimensions).
  • the fabric layer may stretch and/or grow after being stretched. In some embodiments, the fabric layer may not grow after being stretched.
  • the stretch and the growth of the fabric layer may be determined by using a ASTM D2594/D2594M-21 standard test. For example, the fabric layer may be stretched by greater than or equal to 1 mm, greater than or equal to 5 mm, greater than or equal to 1 cm, greater than or equal to 2 cm, greater than or equal to 5 cm, greater than or equal to 8 cm, or greater than or equal to 10 cm when tested.
  • the fabric layer may be stretched by less than or equal to 10 cm, less than or equal to 8 cm, less than or equal to 5 cm, less than or equal to 2 cm, less than or equal to 1 cm, less than or equal to 5 mm, or less than or equal to 1 mm when tested. Combinations of the foregoing ranges are possible (e.g., greater than or equal to 1 cm and less than or equal to 10 cm). Other ranges are also possible.
  • the stretching and/or growth of the fabric layer may stretch and/or grow with a wearer. For example, a child may wear an article of clothing comprising the fabric layer. The child may grow (e.g., as the child ages), and the fabric layer of the article of clothing may stretch to accommodate the child’s growth.
  • the fabric layer may stretch (e.g., reversibly stretch or irreversibly stretch). In other embodiments, the fabric layer may not stretch. According to some embodiments, the fabric layer may stretch by greater than or equal to 1 mm, greater than or equal to 5 mm, greater than or equal to 1 cm, greater than or equal to 2 cm, greater than or equal to 5 cm, greater than or equal to 8 cm, or greater than or equal to 10 cm after being stretched. In some embodiments, the fabric layer may stretch by less than or equal to 10 cm, less than or equal to 8 cm, less than or equal to 5 cm, less than or equal to 2 cm, less than or equal to 1 cm, less than or equal to 5 mm, or less than or equal to 1 mm after being stretched.
  • the stretching of the fabric layer may be considered from an initial dimension of the fabric layer.
  • the fabric layer may have an initial dimension, where the fabric layer may stretch by greater than or equal to 1 mm, 5 mm, 1 cm, or so forth as described above to a stretched dimension.
  • the initial dimension of the fabric layer may be stretched to a stretched dimension that is greater than or equal to 1%, greater than or equal to 5%, greater than or equal to 10%, greater than or equal to 20%, greater than or equal to 30%, greater than or equal to 40%, greater than or equal to 50%, or greater than or equal to 75% larger than the initial dimension.
  • the initial dimension of the fabric layer may be stretched to a stretched dimension that is less than or equal to 100%, less than or equal to 75%, less than or equal to 50%, less than or equal to 40%, less than or equal to 30%, less than or equal to 20%, less than or equal to 10%, or less than or equal to 5% larger than the initial dimension. Combinations of the foregoing ranges are possible, Other ranges are also possible.
  • the stretching of the fabric layer may occur after the fabric layer is stretched for greater than or equal to 1 second, greater than or equal to 10 seconds, greater than or equal to 30 seconds, greater than or equal to 1 minute, greater than or equal to 5 minutes, greater than or equal to 30 minutes, greater than or equal to 1 hour, greater than or equal to 6 hours, greater than or equal to 12 hours, or greater than or equal to 24 hours.
  • the stretching of the fabric layer may occur after the fabric layer is stretched for less than or equal to 24 hours, less than or equal to 12 hours, less than or equal to 6 hours, less than or equal to 1 hour, less than or equal to 30 minutes, less than or equal to 5 minutes, less than or equal to 1 minute, less than or equal to 30 seconds, less than or equal to 10 seconds, or less than or equal to 1 second.
  • Combinations of the foregoing ranges are possible (e.g., greater than or equal to 12 hours and less than or equal to 24 hours, for example, wearing an article of clothing comprising the fabric layer). Other ranges are also possible.
  • the fabric layer (e.g., articles of clothing comprising the fabric layer) may be configured to retain its initial dimensions and/or stretch a minimal amount as described above after being stretched for long times.
  • the fabric layer may retain its initial dimensions after stretching occurs for greater than or equal to 1 second, greater than or equal to 10 seconds, greater than or equal to 30 seconds, greater than or equal to 1 minute, greater than or equal to 5 minutes, greater than or equal to 30 minutes, greater than or equal to 1 hour, greater than or equal to 6 hours, greater than or equal to 12 hours, or greater than or equal to 24 hours.
  • the fabric layer may retain its initial dimensions and/or stretch a minimal amount as described above after stretching occurs for less than or equal to 24 hours, less than or equal to 12 hours, less than or equal to 6 hours, less than or equal to 1 hour, less than or equal to 30 minutes, less than or equal to 5 minutes, less than or equal to 1 minute, less than or equal to 30 seconds, less than or equal to 10 seconds, or less than or equal to 1 second. Combinations of the foregoing ranges are possible (e.g., greater than or equal to 12 hours and less than or equal to 24 hours, for example, wearing an article of clothing comprising the fabric layer). Other ranges are also possible.
  • the dimensions of the fabric layer may change less than or equal to 10%, less than or equal to 8%, less than or equal to 5%, less than or equal to 3%, or less than or equal to 2% from an initial size, e.g., after being stretched for an amount of time in accordance with any of the foregoing ranges.
  • small deviations in fabric layer dimensions indicate dimensional stability of the fabric layer, which may be advantageous for long-term use (e.g., wearing the article of clothing more than once, wearing the article of clothing for a long time, etc.) of an article of clothing comprising the fabric layer when considering stretching as described elsewhere herein or shrinking (e.g., after washing a fabric layer) of the fabric layer.
  • the fabric layer (e.g., articles of clothing comprising the fabric layer) may be configured to retain its initial dimensions and/or stretch a minimal amount as described above after being stretched multiple times.
  • being stretched once as described above, may comprise being stretched for greater than or equal to 12 hours and less than or equal to 24 hours.
  • being stretched once may comprise a relatively short time period such as less than or equal to 5 minutes.
  • the fabric layer may be configured to retain to retain its initial dimensions and/or stretch a minimal amount after being stretched at least 1 time, at least 5 times, at least 10 times, at least 30 times, at least 60 times, at least 90 times, at least 120 times, at least 150 times, at least 180 times, at least 240 times, at least 360 times, at least 500 times, at least 750 times, or at least 1000 times.
  • the fabric layer may be configured to retain to retain its initial dimensions and/or stretch a minimal amount after being stretched no more than 1000 times, no more than 750 times, no more than 500 times, no more than 360 times, no more than 240 times, no more than 180 times, no more than 150 times, no more than 120 times, no more than 90 times, no more than 60 times, no more than 30 times, no more than 10 times, no more than 5 times, or no more than 1 time. Combinations of the foregoing ranges are possible (e.g., at least 60 times and no more than 120 times, at least 360 times and no more than 1000 times). Other ranges are also possible.
  • the stretchability of the fabric may also be considered based on the tensile modulus.
  • the tensile modulus of the fabric is greater than or equal to 10 kPa, greater than or equal to 100 kPa, greater than or equal to 1 MPa, greater than or equal to 10 MPa, greater than or equal to 100 MPa, or greater than or equal to 1 GPa.
  • the tensile modulus of the fabric layer is less than or equal to 1 GPa, less than or equal to 100 MPa, less than or equal to 10 MPa, less than or equal to 1 MPa, less than or equal to 100 kPa, or less than or equal to 10 kPa. Combinations of the foregoing ranges are possible (e.g., greater than or equal to 100 kPa and less than or equal to 10 MPa).
  • the fabric layer may have a relatively high flame resistance, which may provide safety when wearing articles of clothing comprising the fabric layer. For example, in some embodiments, children may be safer when wearing articles of clothing comprising the flame-resistant fabric layer, e.g., in comparison to relatively low flame-resistant clothing.
  • articles of clothing comprising and/or consisting of the fabric layer may pass the flammability test according to 16 CFR Part 1615/1616, and thus may be suitable as children’s wear, infant garments, and/or tight-fitting garments.
  • the fabric layer may have any of a variety of suitable thicknesses.
  • the fabric layer may have a thickness of greater than or equal to 0.1 mm, greater than or equal to 0.2 mm, greater than or equal to 0.3 mm, greater than or equal to 0.5 mm, greater than or equal to 0.7 mm, greater than or equal to 0.9 mm, greater than or equal to 1 mm, greater than or equal to 1.2 mm, greater than or equal to 1.5 mm, greater than or equal to 1.8 mm, or greater than or equal to 2 mm.
  • the thickness of the fabric layer is less than or equal to 2 mm, less than or equal to 1.8 mm, less than or equal to 1.5 mm, less than or equal to 1.2 mm, less than or equal to 1 mm, less than or equal to 0.9 mm, less than or equal to 0.7 mm, less than or equal to 0.5 mm, less than or equal to 0.3 mm, less than or equal to 0.2 mm, less than or equal to 0.1 mm. Combinations of the foregoing ranges are possible (e.g., greater than or equal to 0.1 mm and less than or equal to 2 mm). Other ranges are also possible.
  • the basis weight of the fabric layer is greater than or equal to 100 gsm, greater than or equal to 120 gsm, greater than or equal to 140 gsm, greater than or equal to 160 gsm, greater than or equal to 180 gsm, greater than or equal to 190 gsm, greater than or equal to 200 gsm, greater than or equal to 220 gsm, greater than or equal to 240 gsm, greater than or equal to 260 gsm, greater than or equal to 280 gsm, or greater than or equal to 300 gsm.
  • the basis weight of the fabric layer is less than or equal to 300 gsm, less than or equal to 280 gsm, less than or equal to 260 gsm, less than or equal to 240 gsm, less than or equal to 220 gsm, less than or equal to 200 gsm, less than or equal to 190 gsm, less than or equal to 180 gsm, less than or equal to 160 gsm, less than or equal to 140 gsm, less than or equal to 120 gsm, or less than or equal to 100 gsm.
  • the article of clothing is selected from the group consisting of footies, coveralls, gowns, separates, dresses, rompers, twotie, bibs, hats, headbands, swaddles, pajamas, shirts, coats, underwear, loungewear, gowns, robes, cardigans, nursing wear, and the like.
  • the article of clothing is sized for children’s wear.
  • the size of the article of clothing is US sizes NB-3M, 3M-6M, 6M-9M, 3M-9M, 9M-12M, 12M-18M, 12M-24M, 2T, 3T, 4T, 5T, 5Y-8Y, and/or foreign equivalents (e.g., Europe 50 cm, 56 cm, 68 cm, 72 cm, 80 cm, 86 cm, 92 cm, 98 cm, 104 cm, 110 cm, 116 cm, 122 cm, 128 cm, 134 cm, 140 cm, 146 cm, 152, and ranges and/or combinations thereof).
  • the article of clothing may be tight fitting as described in 16 CFR 1615. l(o) and/or 16 CFR 1616.2(m).
  • the article of clothing may be configured to stretch such that it may fit a range of sizes.
  • the article of clothing may comprise a fabric layer having a relatively high stretchability, wherein the stretchability allows the article of clothing to fit a range of sizes.
  • the article of clothing may be defined as tight-fitting for a specified size (e.g., NB-3M), but may be stretchable such that it may also fit and be defined as tight-fitting for a larger size (e.g., 3M-6M).
  • this may extend the lifetime over which the article of clothing may be worn by a growing child.
  • the article of clothing may be stretched (e.g., during wear) but may retain its original dimensions (e.g., may revert back to within 10%, 8%, etc., of its original dimensions).
  • the article of clothing may be suitable for being comfortably worn by different children.
  • the article of clothing is sized for adult wear.
  • the size of the article of clothing is XXXS, XXS, XS, S, M, L, XL, XXL, XXXL, and/or foreign equivalents.
  • the article of clothing may be configured to stretch such that it may fit a range of sizes, for example, S-M.
  • the article of clothing may further comprise a closure, in some cases. Any of a variety of closures are possible with the articles described herein. Non-limiting examples of closures include magnetic fasteners, clips, buttons, hook-and-loop fasteners, zippers, clasps, and hook-and-eye fasteners. In some cases, the closure is a magnetic fastener as described, for example, in US 8,528,117, which is hereby incorporated by reference in its entirety.
  • the fabric layer may further comprise dyes, pigments, or the like, according to some embodiments. Dyes, pigments, and/or other components may be useful in changing the apparent color of the fabric layer and/or article of clothing comprising the fabric layer, in some cases. In some embodiments, articles of clothing comprising fabric layers comprising dyes, pigments, and/or other components may maintain their color over time and have considerably high color fastness, e.g., after repeated wearing and/or washing of the article of clothing.
  • the article of clothing does not cross stain other articles when washed. That is, the dyes, pigments, and/or other components of the article of clothing that may change the color of the article of clothing, in some embodiments, may be strongly bound to the article of clothing and thus do not substantially leach or otherwise transport away from the article of clothing during, for example, washing of the article of clothing.
  • the flammability test was performed according to 16 CFR 1615/1616 Standard for the Flammability of Children’s Sleepwear Sizes 0 through 6X (FF3-71)/Sizes7 Through 14 (FF5-74).
  • the tested fabric comprised 60 wt% modacrylic, 35 wt% modal, and 5 wt% spandex. The results of the test are shown in Tables 1 and 2.
  • a reference to “A and/or B,” when used in conjunction with open-ended language such as “comprising” can refer, in one embodiment, to A without B (optionally including elements other than B); in another embodiment, to B without A (optionally including elements other than A); in yet another embodiment, to both A and B (optionally including other elements); etc.
  • the phrase “at least one,” in reference to a list of one or more elements, should be understood to mean at least one element selected from any one or more of the elements in the list of elements, but not necessarily including at least one of each and every element specifically listed within the list of elements and not excluding any combinations of elements in the list of elements.
  • This definition also allows that elements may optionally be present other than the elements specifically identified within the list of elements to which the phrase “at least one” refers, whether related or unrelated to those elements specifically identified.
  • “at least one of A and B” can refer, in one embodiment, to at least one, optionally including more than one, A, with no B present (and optionally including elements other than B); in another embodiment, to at least one, optionally including more than one, B, with no A present (and optionally including elements other than A); in yet another embodiment, to at least one, optionally including more than one, A, and at least one, optionally including more than one, B (and optionally including other elements); etc.
  • wt% is an abbreviation of weight percentage.
  • embodiments may be embodied as a method, of which various examples have been described.
  • the acts performed as part of the methods may be ordered in any suitable way. Accordingly, embodiments may be constructed in which acts are performed in an order different than illustrated, which may include different (e.g., more or less) acts than those that are described, and/or that may involve performing some acts simultaneously, even though the acts are shown as being performed sequentially in the embodiments specifically described above.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

Certains aspects de la présente divulgation concernent des tissus étirables, par exemple, destinés à être utilisés dans des articles vestimentaires. Dans certains cas, les tissus comprennent diverses combinaisons de différents types de fibres, ce qui permet aux tissus de comprendre des combinaisons attendues de propriétés. Par exemple, dans certains modes de réalisation, les tissus peuvent comprendre des fibres résistantes au feu, des fibres cellulosiques et/ou des fibres d'élasthanne, les tissus étant relativement doux, étirables et résistants à la flamme. Certains aspects de la présente divulgation concernent des articles vestimentaires comprenant les tissus. Selon certains modes de réalisation, les articles vestimentaires peuvent être dimensionnés de manière appropriée pour des vêtements pour enfants, la combinaison de propriétés pouvant améliorer la portabilité et/ou la sécurité de l'article vestimentaire, par rapport à des vêtements comprenant des tissus classiques.
PCT/US2024/032404 2023-06-05 2024-06-04 Tissus étirables et utilisations associées Pending WO2024254067A2 (fr)

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US202363506345P 2023-06-05 2023-06-05
US63/506,345 2023-06-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11680343B2 (en) * 2016-11-09 2023-06-20 Nike, Inc. Textiles and articles, and processes for making the same
CN111491532B (zh) * 2017-12-20 2023-05-12 泽费罗斯股份有限公司 透气的芯吸非织造材料
WO2020168437A1 (fr) * 2019-02-22 2020-08-27 Jess Black Inc. Tissu double face de structure tricotée résistant au feu

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