A shapewear fabric with a eight-panel bombshell and its weaving method

Abstract

This invention relates to an eight-way elastic shaping underwear fabric and its weaving method. The fabric body is woven from 20-40D nylon and 140-210D and 40-70D elastic yarns. The nylon accounts for 60% of the mass of the fabric body, and the elastic yarns account for 40%. The fabric uses an alternating open and closed loop pattern, with each warp yarn alternately padded on adjacent needles. A complete weave has 6 loop rows. The fabric obtained by this invention is close-fitting, comfortable, breathable, and resistant to deformation, making it highly practical.

Description

Technical Field

[0001] This invention relates to the field of textile technology, and in particular to a shapewear fabric with eight-way elasticity and its weaving method. Background Technology

[0002] Eight-way stretch shapewear fabric represents a breakthrough and innovation compared to traditional underwear fabrics. Fabrics that are too tight or too loose are unsuitable for shaping, especially for fuller-figured women. Overly tight weaves and coarse elastic fibers result in excessive modulus, leading to a severe feeling of constriction and poor comfort; while overly loose fabrics lack shape and shaping effect. Previously, shapewear fabrics like hexagonal mesh were typically made of coarse spandex, around 280D-420D, resulting in a strong feeling of constriction. Chinese patent 202010590177.7 discloses a method for weaving a hexagonal prism fabric, including weaving the fabric into a hexagonal prism pattern with the spacing between the hollow portions of the hexagonal prisms less than 15 micrometers, using 210-270mm / 100N viscose, and setting and dyeing the fabric at 160-180℃. While the gaps in the hexagonal prisms can, to some extent, pinpoint the wearer's fat distribution, this method can easily lead to an excessively constricting feeling. Especially when only one type of coarse spandex is used for weaving, the finished fabric feels stiff; traditional shapewear fabrics have a greater longitudinal stretch than a transverse stretch, and warp-knitted fabrics generally have a better longitudinal stretch than a transverse stretch.

[0003] To address the shortcomings in the background technology and solve the problems of wearing comfort and body shaping, two sets of spandex elastic yarns of different thicknesses are used in the weaving. While keeping the spandex ratio unchanged, the softness of the fabric surface is improved. At the same time, the surface layer uses 24f nylon yarn, which makes the finished feel softer and more skin-friendly.

[0004] Developed using a 4-comb, 28-pin Raschel machine, with specifications set at 162cm x 190g / m². 2 By adding appropriate additives and controlling the width and weight, the tensile force in the horizontal, vertical, and 45-degree angles can be kept within a consistent range. Summary of the Invention

[0005] The purpose of this invention is to provide a shapewear fabric with eight-way elasticity, which can bring a comfortable wearing experience that is close-fitting, comfortable, breathable, and not easily deformed.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an eight-way elastic shaping underwear fabric, wherein the fabric body is woven from 20-40D nylon and 140-210D and 40-70D elastic yarns, wherein the nylon accounts for 60% of the mass percentage of the fabric body, and the elastic yarns account for 40% of the mass percentage of the fabric body. The fabric uses an alternating open and closed loop form, and each warp yarn is alternately padded on two adjacent knitting needles to form a complete weave with 6 loop rows.

[0007] Furthermore, the nylon adopts a warp-knitted and warp-forged structure, the 140-210D elastic yarn adopts a non-looped weft padding yarn, and the 40-70D elastic yarn adopts a warp plain structure with one stitch across.

[0008] Furthermore, the nylon has a completely matte gloss level, and the elastic yarn is spandex.

[0009] A method for weaving an eight-way stretch shapewear fabric, using a Raschel 28-needle 4-comb warp knitting machine, includes the following steps:

[0010] Step S1, Comb setting: Set the front comb GB1, front comb GB2, middle comb GB3, and bottom comb GB4 in sequence from front to back;

[0011] Step S2, Yarn selection and threading method: The yarn used for front comb GB2 is 20-40D nylon, the yarn used for middle comb GB3 is 140-210D spandex, and the yarn used for bottom comb GB4 is 40-70D spandex. The threading method for front comb GB2, middle comb GB3, and bottom comb GB4 is full threading, while front comb GB1 does not use it.

[0012] Step S4, Knitting: The front comb GB2 adopts a warp-knitted warp forging structure, the middle comb GB3 adopts a non-loop weft-supporting structure, and the bottom comb GB4 adopts a warp plain structure with one stitch across.

[0013] Furthermore, before step S4 begins, a warping step is also included. In the warping step, the nylon yarn is fed passively, the warping temperature of the nylon yarn is 24°C, and the warping humidity is 65%; the spandex yarn is fed actively, the warping temperature of the spandex yarn is 24°C, and the warping humidity is 65%.

[0014] Furthermore, in step S4, the warp feed rate of the front comb GB2 is 1260 mm / gram; the warp feed rate of the middle comb GB3 is 110 mm / gram; and the warp feed rate of the bottom comb GB4 is 490 mm / gram.

[0015] Furthermore, step S4 further comprises: the basic padding yarn number of the front comb GB2 is 1-0 / 1-2 / 2-1 / 2-3 / 2-1 / 1-2 / / , and the pattern of the fabric mesh is formed on this structure; the padding yarn number of the middle comb GB3 is 0-0 / 2-2 / 1-1 / 3-3 / 1-1 / 2-2 / / , in the same direction as GB2; and the padding yarn number of the bottom comb GB4 is 1-0 / 1-2 / / .

[0016] The beneficial effects of the present invention are as follows: the fabric of the present invention has good dimensional stability, is not easy to unravel, has a soft and smooth effect, strong hydrophilicity, and a soft hand feel. The manufacturing method of the present invention improves the breaking strength of the fabric, makes the fabric hydrophilic and breathable, comfortable to wear, has strong absorption and drainage capacity, the overall fabric surface is more flat and stable, and increases the crispness, high elasticity, and breathability of the fabric. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the weaving process of the fabric of the present invention;

[0018] Figure 2 This is a physical simulation diagram of the fabric of the present invention;

[0019] Figure 3 This is a schematic diagram of the actual fabric of the present invention. Detailed Implementation

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Please see Figures 1 to 3This invention provides an embodiment of an eight-way stretch shaping underwear fabric. The fabric body is woven from 20-40D nylon and 140-210D and 40-70D elastic yarns. The nylon accounts for 60% of the mass of the fabric body, and the elastic yarns account for 40%. This fabric contains a high proportion of spandex, has a tight knit structure, reduces moisture and humidity retention, and is less prone to mildew. It is breathable, quick-drying, comfortable to wear, has good anti-permeability, and is skin-friendly and hypoallergenic. It has high elasticity, is not restrictive, and is resistant to deformation. The fabric uses an alternating open and closed loop pattern, with each warp yarn alternately padded on adjacent needles, resulting in 6 loop rows in a complete weave. The fabric of this invention is composed of three different fiber materials and weave. The finished fabric has good elasticity and resilience in eight directions, including the X and Y axes and the 45° axis between the X and Y axes. Underwear made from this fabric meets ergonomic requirements, offering a close fit, comfort, breathability, and resistance to deformation, making it highly practical. This fabric allows for free movement and stretch, providing lightness and comfort while maintaining the garment's shape; areas like the knees and elbows won't deform or bulge after prolonged wear. The fabric has a certain degree of elasticity, allowing for stretching and movement. Elastic fabrics generally facilitate movement, and the elasticity is achieved through the addition of spandex, with controlled elongation during finishing processes. Furthermore, warp-knitted fabrics generally have less stretch than weft-knitted fabrics. Weft-knitted fabrics exhibit significant transverse stretch, while the stretch of warp-knitted fabrics depends on the number of guide bars and the weave structure. Some warp-knitted fabrics have stretch in both the transverse and longitudinal directions and offer better dimensional stability, making them less prone to unraveling. This newly invented fabric uses a warp-bonded and warp-plain weave, with alternating open and closed loops. Each warp yarn is knitted by alternately padding yarns on adjacent needles, resulting in six loop rows in a complete weave.

[0022] Please continue reading. Figures 1 to 3 As shown, in one embodiment of the present invention, the nylon adopts a warp-knitted warp-forged structure, the 140-210D elastic yarn adopts a non-looped weft-inserted weft yarn, and the 40-70D elastic yarn adopts a single-needle warp plain weave structure. To improve the fabric's wrapping and comfort, the nylon in the fabric is woven with a warp-knitted warp-forged structure, and the spandex is woven with weft-inserted and warp plain weaves, with unidirectional weft yarns. The appearance has a fine vertical stripe texture, is crisp, and has excellent wrapping properties. The tensile strength, smoothness after knitting, closeness to the body, and good extensibility of knitted fabrics make them ideal shaping / underwear elements.

[0023] Please continue reading. Figures 1 to 3 As shown, in one embodiment of the present invention, the nylon has a completely matte gloss level, and the elastic yarn is spandex.

[0024] Please see Figures 1 to 3 The present invention provides another embodiment: a method for weaving a shaping underwear fabric with eight-way elasticity, characterized by being woven using a Raschel 28-needle 4-comb warp knitting machine, comprising the following steps:

[0025] Step S1, Comb setting: Set the front comb GB1, front comb GB2, middle comb GB3, and bottom comb GB4 in sequence from front to back;

[0026] Step S2, Yarn selection and threading method: The yarn used for front comb GB2 is 20-40D nylon, the yarn used for middle comb GB3 is 140-210D spandex, and the yarn used for bottom comb GB4 is 40-70D spandex. The threading method for front comb GB2, middle comb GB3, and bottom comb GB4 is full threading, while front comb GB1 does not use it.

[0027] Step S4, Knitting: The front comb GB2 uses a warp-knitted warp-forged structure, the middle comb GB3 uses a non-loop weft-inserted structure, and the bottom comb GB4 uses a plain warp structure with one stitch across. To improve the fabric's coverage and comfort, the nylon weave in the front comb GB2 is a warp-knitted warp-forged structure, the spandex weave in the middle comb GB3 is a weft-inserted structure, and the spandex weave in the bottom comb GB4 is a plain warp structure, with yarns in the same direction. The appearance has a delicate vertical stripe texture, is crisp, and provides excellent coverage. The tensile strength, smoothness after knitting, close fit to the body, and good extensibility of knitted fabrics make them ideal for shaping / underwear.

[0028] Please continue reading. Figures 1 to 3 As shown, in one embodiment of the present invention, a warping step is included before step S4. In the warping step, the nylon yarn is fed passively, the warping temperature of the nylon yarn is 24°C, and the warping humidity is 65%. The spandex yarn is fed actively, the warping temperature of the spandex yarn is 24°C, and the warping humidity is 65%.

[0029] Please continue reading. Figures 1 to 3 As shown, in one embodiment of the present invention, in step S4, the warp feed of the front comb GB2 is 1260 mm / gram; the warp feed of the middle comb GB3 is 110 mm / gram; and the warp feed of the bottom comb GB4 is 490 mm / gram.

[0030] Please continue reading. Figures 1 to 3As shown, in one embodiment of the present invention, step S4 further comprises: the basic yarn padding number of the front comb GB2 is 1-0 / 1-2 / 2-1 / 2-3 / 2-1 / 1-2 / / , and the fabric mesh pattern is formed based on this structure; the yarn padding number of the middle comb GB3 is 0-0 / 2-2 / 1-1 / 3-3 / 1-1 / 2-2 / / , in the same direction as GB2; and the yarn padding number of the bottom comb GB4 is 1-0 / 1-2 / / . The weaving method of the present invention can make the overall fabric surface smoother and more stable, and increase the fabric's crispness, high elasticity, breathability, and other properties.

[0031] After the fabric is woven, the present invention continues to perform finishing. By adding chemical fiber softening and hydrophilic finishing agent LS-06, the finished fabric has a soft and smooth effect, strong hydrophilicity, soft hand feel, and can also improve the breaking strength of the fabric. It also makes the fabric hydrophilic and breathable, comfortable to wear, and has strong absorption and release capacity. It gives the fabric characteristics such as high modulus, good wrapping, breathability, and shaping.

[0032] Example 1:

[0033] Knitted on a Raschel 28-needle 4-bar warp knitting machine, model RSE 4-1*28G:

[0034] Comb settings: From front to back, set the front comb GB1, front comb GB2, middle comb GB3, and bottom comb GB4 in sequence;

[0035] Yarn selection and threading method: The yarn used for front comb GB2 is 30D nylon yarn, the yarn used for middle comb GB3 is 140D spandex yarn, and the yarn used for bottom comb GB4 is 55D spandex yarn. The threading method for front comb GB2, middle comb GB3, and bottom comb GB4 is full threading, while front comb GB1 does not use it.

[0036] Warping: Nylon yarn warping machine model: Karl Mayer DS21 / 30NC-2, passive yarn feeding, warping temperature: 24℃, warping humidity: 65%; Spandex elastic yarn warping machine model: Karl Mayer DSE-H21 / 30NC-2, active yarn feeding, warping temperature: 24℃, warping humidity: 65%.

[0037] Weaving:

[0038] The front comb GB2 adopts a warp-knitted and warp-forged structure, with the base padding yarn number being 1-0 / 1-2 / 2-1 / 2-3 / 2-1 / 1-2 / / , and the warp feed rate being 1260mm / rube;

[0039] The medium comb GB3 uses a non-loop weft weft weave structure, with the padding yarn number being 0-0 / 2-2 / 1-1 / 3-3 / 1-1 / 2-2 / / , and the warp feed rate being 110mm / rube;

[0040] The bottom comb GB4 adopts a warp plain weave structure with one stitch across, and the padding yarn number is 1-0 / 1-2 / / , with a warp feed rate of 490mm / rube.

[0041] Post-finishing: Add LS-06, a chemical fiber softening and hydrophilic finishing agent, during post-finishing.

[0042] The tensile strength and resilience test results of the warp-knitted fabric of the present invention manufactured according to the above steps are shown in Table 1 below:

[0043]

[0044] Table 1. Test results of tensile force, resilience, and modulus.

[0045] The length, width, and tensile force at a 45-degree angle are all within 225% (+-10%), that is, within 204% to 247%.

[0046] The double-stretch fabric is 8-way stretch, with the tensile force in three directions within the same range. The elasticity of the fabric is achieved by adding a certain amount of spandex, setting a specified width and weight, and controlling its elongation during finishing, thereby controlling the elasticity of the fabric.

[0047] The weaving method of this invention makes the overall fabric surface smoother and more stable, increasing the fabric's crispness, elasticity, and breathability. The finished fabric does not deform or curl at the edges, has a slimming and shaping effect, and provides ergonomic 360-degree comfort. It has a delicate texture, excellent breathability and comfort, good wrapping properties, and does not restrict body movement at all.

[0048] The above description is only a preferred embodiment of the present invention and should not be construed as a limitation of this application. All equivalent changes and modifications made in accordance with the scope of the patent application of the present invention should be covered by the present invention.

Claims

1. A method for weaving a shaping underwear fabric with eight-way elasticity, characterized in that: The fabric body is woven from 20-40D nylon and 140-210D and 40-70D spandex yarns, with nylon accounting for 60% of the mass percentage of the fabric body and spandex yarns accounting for 40% of the mass percentage of the fabric body. The weaving method, using a Raschel 28-needle 4-comb warp knitting machine, includes the following steps: Step S1, Comb setting: Set the front comb GB1, front comb GB2, middle comb GB3, and bottom comb GB4 in sequence from front to back; Step S2, Yarn selection and threading method: The yarn used for front comb GB2 is 20-40D nylon, the yarn used for middle comb GB3 is 140-210D spandex, and the yarn used for bottom comb GB4 is 40-70D spandex. The threading method for front comb GB2, middle comb GB3, and bottom comb GB4 is full threading, while front comb GB1 does not use it. Step S3, Knitting: The front comb GB2 adopts a warp-knitted warp-forged structure, the middle comb GB3 adopts a non-loop weft-supported structure, and the bottom comb GB4 adopts a warp plain structure with one stitch across. Step S3 further comprises: the basic padding yarn number of the front comb GB2 is 1-0 / 1-2 / 2-1 / 2-3 / 2-1 / 1-2 / / , and the fabric mesh pattern is formed on this structure; the padding yarn number of the middle comb GB3 is 0-0 / 2-2 / 1-1 / 3-3 / 1-1 / 2-2 / / , in the same direction as GB2; and the padding yarn number of the bottom comb GB4 is 1-0 / 1-2 / / .

2. The shapewear fabric with eight-way elasticity according to claim 1, characterized in that: The nylon described above has a completely matte gloss level.

3. The method for weaving an eight-way elastic shaping underwear fabric according to claim 1, characterized in that: Before step S3 begins, a warping step is also included. In the warping step, the nylon yarn is fed passively, the warping temperature of the nylon yarn is 24°C, and the warping humidity is 65%. The spandex yarn is fed actively, the warping temperature of the spandex yarn is 24°C, and the warping humidity is 65%.

4. The weaving method of an eight-way elastic shaping underwear fabric according to claim 1, characterized in that: In step S3, the warp feed rate of the front comb GB2 is 1260 mm / gram; the warp feed rate of the middle comb GB3 is 110 mm / gram; and the warp feed rate of the bottom comb GB4 is 490 mm / gram.

Images