Interlaced openwork weaving method and interlaced openwork fabric
By weaving openwork perforations on a flat knitting machine using a method of interlacing warp and weft yarns, the problems of insufficient strength, breathability, and aesthetics in traditional flyknit shoe uppers are solved. This achieves efficient weaving and adjustable openwork perforations, enhancing the performance of the shoe upper.
Patent Information
- Application Number
- CN202510236330.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2045-02-28
AI Technical Summary
Traditional flyknit uppers have shortcomings in terms of strength, breathability, and aesthetics, and the size of the perforations is limited and the weaving efficiency is low.
The process involves weaving warp and weft yarns on a flat knitting machine. The warp yarns form warp chains, and the weft yarns form weft loops. Through weaving, openwork holes are formed. Materials with melt-bonding properties and thermoplastic yarns are used to provide support, and the size of the openwork holes can be adjusted.
It achieves high weft yarn efficiency, improved breathability and aesthetics by eliminating a large number of weft yarn floats inside the perforated holes, and the size of the perforations can be adjusted, enhancing the wear resistance, flexural resistance and deformation resistance of the shoe upper.
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Figure CN119800591B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of textile technology, and in particular to an interlaced openwork weaving method and an interlaced openwork fabric. Background Technology
[0002] Traditional flyknit uppers use a unidirectional weaving structure, which has a certain degree of elasticity and breathability, but its strength, breathability and aesthetics still need to be improved.
[0003] In knitted shoe uppers, due to the characteristics of flyknit, it is usually necessary to inlay patterns when making openwork perforations, and the size of the squares is also limited. During the knitting process, weft yarns are used to form large loops to support the openwork square areas. Furthermore, the weft yarns that run through the openwork perforations will leave weft floating lines, affecting the overall effect of the openwork perforations. Summary of the Invention
[0004] The technical problem to be solved by the present invention is to provide an interlaced openwork weaving method and an interlaced openwork fabric. The openwork of the interlaced weaving does not have a large number of weft yarn floats inside, and is completely open. Moreover, the size of the openwork is controllable, and the weaving efficiency is higher.
[0005] This invention is implemented as follows:
[0006] First aspect
[0007] A method for interlacing openwork weaving, wherein warp and weft yarns are woven on a flat knitting machine, the flat knitting machine having a machine head, the machine head controlling at least two yarn feeders, A and B, where yarn feeder A performs warp weaving and yarn feeder B performs weft weaving, the method comprising the following specific steps:
[0008] S1: The machine head controls the A yarn feeder to perform face knitting on the spaced needle positions through the warp yarn in the first row, forming warp yarn loops;
[0009] S2: The second row is a presser stitch on the warp loops of the first row to assist in the formation of the warp loops;
[0010] S3: Repeat the weaving actions of steps S1 and S2 for several rows to form a warp chain in the warp direction;
[0011] S4: After completing step S3, the machine head controls the weft yarn of the B yarn mouth to perform face-separated needle knitting. The weft yarn forms a weft yarn loop in the weft direction, and there are several empty needles between the two adjacent weft yarn loops. The weft yarn loop and the warp yarn loop are connected in a loop at the overlapping needle position to connect the warp and weft yarns. The two adjacent weft yarn loops and the warp chain form a hollow through hole.
[0012] Furthermore, both the warp and weft yarns are made of materials with melt-bonding properties, such as TPU-coated yarn and silicone-coated yarn, which have a shaping effect.
[0013] Furthermore, at least one thermoplastic yarn is used in the weaving of the warp yarn, which plays a shaping and supporting role.
[0014] Second aspect
[0015] An interwoven openwork fabric is formed by repeating the above-mentioned weaving steps using the openwork perforations woven by the above-mentioned interwoven openwork perforation weaving method as a cycle unit, wherein the interwoven openwork fabric is composed of at least one layer of fabric surface.
[0016] The advantages of this invention are:
[0017] 1. The present invention is formed by interlacing warp yarn loops and weft yarn loops to create a hollow through hole.
[0018] 2. Because each unit has only two weft threads inside the openwork, and the weft threads are not continuously interwoven, there are no large number of weft floating threads inside the openwork, making it completely openwork.
[0019] 3. The openwork weft yarns and warp yarns of the interwoven weave do not require local weaving techniques or frequent avoidance of the yarn feeder, which reduces weaving time.
[0020] 4. In the interlaced openwork process, the warp support is provided by the warp chain woven from the warp yarns, and the weft support is provided by the weft yarn loops. There is no need for large areas of weft yarn to form a fabric base, resulting in higher weaving efficiency.
[0021] 5. The size of the openwork perforations in the interwoven weave can be freely adjusted according to the density, tightness, or number of warp yarn loops. Attached Figure Description
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Figure 1 This is a schematic diagram of an interlaced openwork weaving method according to an embodiment of the present invention. Figure 1 .
[0024] Figure 2 for Figure 1 A diagram illustrating the weaving effect.
[0025] Figure 3 This is a schematic diagram of an interlaced openwork weaving method according to an embodiment of the present invention. Figure 2 .
[0026] Figure 4 for Figure 3 A diagram illustrating the weaving effect.
[0027] Figure 5 This is a physical image of an interwoven openwork fabric according to Embodiment 2 of the present invention.
[0028] Figure 6 This is a schematic diagram of the oscillating structure of the moving yarn holder in the flat knitting machine of the present invention. Figure 1 .
[0029] Figure 7 This is a schematic diagram of the oscillating structure of the moving yarn holder in the flat knitting machine of the present invention. Figure 2 .
[0030] Figure 8 This is a schematic diagram of the oscillating structure of the moving yarn holder in the flat knitting machine of the present invention. Figure 3 .
[0031] Figure 9 This is a schematic diagram of the oscillating structure of the moving yarn holder in the flat knitting machine of the present invention. Figure 4 .
[0032] The diagram shows the following symbols: warp 1, warp loop 11, weft 2, weft loop 21, and openwork perforation 3.
[0033] In the diagram, "←" indicates the machine head is pointing to the left, "→" indicates the machine head is pointing to the right, and A and B represent the yarn feeder, respectively. Detailed Implementation
[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0035] Example 1
[0036] like Figures 1 to 4 As shown, Figure 1 In the weaving diagram shown, each interlaced openwork perforation is a warp loop 11, and there are 3 empty needles between two adjacent weft loops 21. Figure 3 In the weaving diagram shown, each interlaced openwork hole 3 has three warp yarn loops 11 in the warp direction, and there are 3 empty needles between the two weft yarn loops 21 on adjacent sides.
[0037] This invention discloses an interlaced openwork weaving method, providing a flat knitting machine on which warp yarns 1 and weft yarns 2 are woven. Both the warp and weft yarns are made of materials with melt-bonding properties, such as TPU-coated yarn or silicone-coated yarn, which have a shaping function (the bonding properties can be activated by heating, melting and generating adhesiveness, fixing the fabric structure through the bonding points, inhibiting fiber slippage, and improving local area stiffness, deformation resistance, and dimensional stability). The shaping temperature is 120℃-220℃, and at least one thermoplastic yarn is used in the weaving of the warp yarn, which plays a shaping and supporting role. The flat knitting machine has a knitting head, which controls at least two yarn feeders, A and B. Yarn feeder A performs warp weaving, and yarn feeder B performs weft weaving. The interlaced openwork weaving method includes the following specific steps:
[0038] S1: The machine head controls the A yarn feeder to perform face knitting on the spaced needle positions through the warp yarn 1 in the first knitting row, forming warp yarn loops 11;
[0039] S2: The second row is a presser stitch on the warp loop 11 of the first row to assist the warp yarns in forming loops;
[0040] S3: Repeat the weaving actions of steps S1 and S2 for several rows, so that the warp yarn 1 forms a warp chain in the warp direction;
[0041] S4: After completing step S3, the machine head controls the weft yarn of the B yarn mouth to perform face-separated needle knitting. The weft yarn 2 forms a weft yarn loop 21 in the weft direction, and there are several empty needles between two adjacent weft yarn loops 21. Preferably, there are 3 empty needles between two adjacent weft yarn loops. The weft yarn loop 21 and the warp yarn loop 11 are connected in a loop at the overlapping needle position to connect the warp and weft yarns. Two adjacent weft yarn loops 21 and the warp chain form a hollow through hole 3.
[0042] This invention is an interwoven openwork perforated technology, referring to an openwork knitted structure formed by interlacing warp yarns 1 and weft yarns 2. The warp support in this interwoven openwork process is provided by warp chains woven from the warp yarns, while the weft support is provided by weft loops. Utilizing warp-weft interlacing technology, the weft loops and warp chains form a unique openwork perforated structure, enhancing the breathability and aesthetics of the shoe upper. The size of the openwork perforations can be adjusted by changing the length of the warp chains and the number of empty stitches in the weft yarns, according to requirements. This invention uses thermoplastic fibers and coated yarns for weaving, which improves upon the shortcomings of interwoven openwork fabrics, enhancing their abrasion resistance, folding resistance, support, and deformation resistance. This allows the openwork fabric to be used as part of the shoe upper without the need for additional materials.
[0043] The knitting head is a weaving device, and the aforementioned yarn nozzle can also be replaced with a yarn guiding device, which includes a yarn holder and a yarn nozzle (similar yarn output / guiding components).
[0044] The advantages of this invention are:
[0045] 1. The present invention is formed by interlacing warp yarn loops and weft yarn loops to create a hollow through hole.
[0046] 2. Because there is only one weft thread in each unit, and the weft threads are not continuously interwoven, there are no large number of weft yarn floats inside the hollowed-out holes formed by the interweaving, making it completely hollow.
[0047] 3. The openwork weft yarns and warp yarns in the interlaced weave do not use local weaving techniques (local weaving is a process that increases the number of rows of fabric, which takes a long time and has low efficiency), or frequently avoid the yarn feeder, thus reducing weaving time.
[0048] 4. The warp support of the interlaced openwork process is provided by the warp chain woven from the warp yarns, and the weft support is provided by the weft yarn loops. There is no need for the weft yarn to form a large area of loops to form the fabric base, which makes the weaving efficiency higher. The traditional openwork structure requires at least 2 sets of weft yarns and 2 sets of warp yarns to form the basic hole grid. The size of such hole grids is limited by the lack of effective restraint of the weft yarns in the middle, which easily produces floating yarns.
[0049] 5. The size of the openwork holes in the interwoven weave can be freely adjusted according to the density or number of warp yarn loops (such as increasing the number of warp yarn loops).
[0050] Example 2
[0051] like Figure 5 As shown, an interwoven openwork fabric is formed by repeating the above-described interwoven openwork weaving method, using the openwork perforations created by the method as a recurring unit, to form an interwoven openwork fabric. The interwoven openwork fabric consists of at least one fabric layer. The interwoven openwork fabric can also consist of a single fabric layer and multiple fabric layers. This interwoven openwork fabric can be used as part of the shoe upper, enhancing its breathability and aesthetics.
[0052] The aforementioned cycle unit is explained as the smallest unit in which a knitting machine completes one full action during the knitting process. These steps are repeated periodically to form the overall structure of the fabric. The number of repetitions of the cycle unit depends on the requirements of the fabric length, density, and pattern complexity.
[0053] Reference Appendix Figure 6-9 The warp loops are woven by a movable yarn guide device on the flat knitting machine. A movable yarn feeder 40 is used for yarn guiding (the movable yarn feeder 40 has a yarn feeder 10 structure, and the yarn feeder 10 is equipped with an adjustment mechanism (controlling the overall displacement of the yarn feeder and controlling the independent displacement of the movable yarn feeder). Through coordinated control, the yarn feeder can be quickly adjusted from the initial position to the weaving position.
[0054] Movable yarn feeder 40: Supports multi-directional displacement (up and down, left and right, forward and backward) and swing function (via a third adjustment mechanism), is rotatable and has a layered layout, allowing flexible movement within the active area of yarn holder 10.
[0055] Layered design: The movable yarn feeders are arranged in different layers, and the fixed yarn feeders and movable yarn feeders are installed in a staggered manner to avoid interference and expand the weaving range.
[0056] Yarn outlet adjustment: The movable yarn nozzle 40 is equipped with an independently adjustable yarn outlet 60, whose spacing, height, and size can be adjusted to adapt to different yarn requirements. The movable yarn nozzle 40 has several independent yarn outlets 60. The spacing between adjacent yarn outlets 60 is adjustable, the height of each independent yarn outlet 60 is independently adjustable, and the size of each independent yarn outlet 60 is adjustable. At least one of the adjustable spacing, adjustable height, or adjustable yarn outlet size can be selected to form an optimized structure for the yarn nozzle. The yarn outlet structure and the structure for adjusting the yarn outlet can be set on either the fixed yarn nozzle or the movable yarn nozzle.
[0057] The above-described weaving device is merely an example; any device or equipment capable of performing the same function is within the scope of this invention.
[0058] While specific embodiments of the present invention have been described above, those skilled in the art should understand that the specific embodiments described are merely illustrative and not intended to limit the scope of the present invention. Equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present invention should be covered within the scope of protection of the claims of the present invention.
Claims
1. A method for interlaced openwork weaving, comprising a flat knitting machine on which warp and weft yarns are woven, the flat knitting machine having a knitting head, the knitting head controlling at least two yarn feeders, A and B, where yarn feeder A performs warp weaving and yarn feeder B performs weft weaving, characterized in that: The interwoven openwork weaving method includes the following specific steps: S1: The machine head controls the A yarn feeder to perform face knitting on the spaced needle positions through the warp yarn in the first row, forming warp yarn loops; S2: The second row is a press-down stitch on the warp loops of the first row; S3: Repeat the weaving actions of steps S1 and S2 for several rows to form a warp chain in the warp direction; S4: After completing step S3, the machine head controls the weft yarn of the B yarn mouth to perform face-separated needle knitting. The weft yarn forms a weft yarn loop in the weft direction, and there are several empty needles between two adjacent weft yarn loops. The weft yarn loop and the warp yarn loop are connected in a loop at the overlapping needle position. Two adjacent weft yarn loops and the warp chain form a hollow through hole.
2. The interwoven openwork weaving method according to claim 1, characterized in that: Both the warp and weft yarns are made of materials with melt-bonding properties.
3. The interwoven openwork weaving method according to claim 2, characterized in that: The warp yarns are woven using at least one thermoplastic yarn.
4. A type of interwoven openwork fabric, characterized in that... Using the perforated holes woven by any one of the interwoven openwork weaving methods described in claims 1 to 3 as a cycle unit, the above weaving steps are repeated to weave an interwoven openwork fabric, wherein the interwoven openwork fabric is composed of at least one layer of fabric surface.
Citation Information
Patent Citations
Fancy fabric with hollow structure
CN105887285A
Knitted fabric with hollowed-out structure
CN213113730U