Closed annular braid
Through a single-layer webbing with double weft structure, the head and tail of the webbing is connected by hot melt adhesives, which solves the seam problem caused by traditional seam connections, realizes traceless connections, improves aesthetics and comfort, and is suitable for clothing waistbands.
Patent Information
- Application Number
- CN202422574701.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Traditional webbing produces obvious seams when connecting the seams, affecting the aesthetics and comfort, and is difficult to meet consumers' pursuit of beauty and fashion.
A single-layer webbing woven with a double weft structure is connected to the head and tail of the webbing through an alternating thickness and thin structure and a hot melt adhesive to form a closed loop, replacing the traditional seam connection.
It realizes traceless connection, improves aesthetics and comfort, and is easy to operate, suitable for clothing waistband areas.
Smart Images
Figure CN223207913U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of textiles, in particular to a closed annular webbing made of a single-layer flat webbing. Background Art
[0002] As an auxiliary material for textile clothing, ribbons are widely used in the clothing field. They are often used in shoulder straps, waist belts, upper and lower belts, etc. In the use of traditional waist belts, the ribbons need to be cut into appropriate lengths and connected into one piece through a sewing process. The sewing connection is strong, but due to the presence of sewing lines, there are obvious seams at the interface, which affects the aesthetics and comfort of wearing, and it is difficult to meet consumers' pursuit of beauty and fashion. Summary of the Invention
[0003] In order to solve the above technical problems, the present invention provides a closed loop webbing.
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0005] A closed loop webbing includes a webbing body woven with a double weft structure, the webbing body being a single-layer structure and having a first thin portion, a main thick portion, and a second thin portion connected in sequence, the thickness of the main thick portion being greater than that of the first thin portion and the second thin portion, the first thin portion being arranged at one end of the webbing body, the second thin portion being arranged at the other end of the webbing body, the main thick portion being located between the first thin portion and the second thin portion, and the first thin portion and the second thin portion being bonded and fixed by an adhesive.
[0006] As a further improvement, the adhesive member is a hot-melt adhesive, and the first thin portion and the second thin portion are hot-pressed and fastened by a pressing machine.
[0007] As a further improvement, the thickness of the main thick portion is greater than or equal to twice the thickness of the first thin portion.
[0008] As a further improvement, a thermal fuse is provided in the weft of the ribbon body, and the thermal fuse is made of polyester or nylon.
[0009] As a further improvement, the main thick portion is an elastic webbing with an elastic elongation range of 130% to 170%; the first thin portion and the second thin portion have the same elasticity, and the elastic elongation range is 60% to 80%.
[0010] As a further improvement, the first thin portion and the second thin portion have the same length, width and thickness.
[0011] As a further improvement, the length and width of the bonded member are smaller than the length and width of the first thin portion, and the difference between the width of the first thin portion and the width of the bonded member is less than 1 mm.
[0012] As a further improvement, the hot melt adhesive is a high-temperature hot melt adhesive above 180°C and a low-temperature hot melt adhesive at 150°C, and the material is selected to be a single-layer adhesive film or a composite adhesive film formed by combining high-elastic mesh and adhesive film on both sides.
[0013] As a further improvement, the connection between the first thin portion and the main thick portion is formed as an inclined surface, and the connection between the second thin portion and the main thick portion is formed as an inclined surface.
[0014] Compared with the prior art, the present invention has the following beneficial technical effects:
[0015] Woven with a double weft structure, the webbing is joined end to end through a laminating process using alternating thick and thin wefts to form a closed loop. This looping structure replaces the traditional sewing method, resulting in a smooth joint that blends seamlessly with the belt body, enhancing the aesthetics of the connection. This method is simple to operate and highly practical, and the webbing can be designed in solid colors or jacquard patterns, making it widely applicable in the field of waistbands for clothing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the webbing structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the utility model being bonded into a circle;
[0018] Figure 3 This is a schematic diagram of a palm threading method according to an embodiment of the present invention. DETAILED DESCRIPTION
[0019] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and are not to be construed as limiting the present invention.
[0020] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0021] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, removable connections, or integral connections. They may refer to mechanical connections or electrical connections. They may refer to direct connections or indirect connections through an intermediary, and they may refer to internal communication between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.
[0022] like Figure 1 The figure shows a closed loop webbing, comprising a webbing body woven with a double weft structure. The webbing body is a single-layer structure, comprising a first thin portion 2, a main thick portion 1, and a second thin portion 3, which are connected in sequence. The main thick portion 1 is thicker than the first thin portion 2 and the second thin portion 3. The first thin portion 2 is located at one end of the webbing body, and the second thin portion 3 is located at the other end. The main thick portion 1 is located between the first thin portion 2 and the second thin portion 3, and the first thin portion 2 and the second thin portion 3 are bonded and fixed by an adhesive 4. The main thick portion serves as the normal use area, and the first and second thin portions serve as the bonding connection points. After molding, the whole body forms a ring-shaped structure with uniform thickness.
[0023] During production, the webbing is woven into a whole with several thin parts and thick parts alternating in a cycle, and then cut in the middle area of each thin part, thereby forming a structure with the middle part being the main thick part and the two ends being the first thin part and the second thin part respectively.
[0024] The first thin portion and the second thin portion have the same length, width, and thickness, allowing them to completely overlap. Furthermore, the thickness of the main thick portion is greater than or equal to twice the thickness of the first thin portion. After hot pressing, the thickness of the bonded portion approaches that of the main thick portion, resulting in a more seamless and aesthetically pleasing appearance.
[0025] The weft yarns of the ribbon body are provided with hot melt threads made of polyester or nylon. When the ribbon is subjected to high-temperature shaping, the hot melt threads melt and adhere to the yarns, preventing the thinner portions of the ribbon body from unraveling after cutting. This ensures a smoother start and end, ensuring aesthetically pleasing results after hot melt lamination.
[0026] The main webbing is elastic, making it suitable for use as a waist belt. The main thick portion is fluffy and soft, with a high elastic elongation ranging from 130% to 170%, preferably 150%. The first and second thin portions are slightly elastic, achieving a smooth, thin surface and a light weight, with an elastic elongation of 60% to 80%, preferably 70%. The main thick portion provides normal elastic support for wear, while the first and second thin portions are hot-melt bonding areas, primarily connecting the ends of the webbing to form a closed loop. The main thick portion is much longer than the first thin portion to ensure normal wear.
[0027] The adhesive member is a hot-melt adhesive body, and the first thin portion and the second thin portion are hot-pressed and fastened by a pressing machine.
[0028] The length and width of the bonded part are smaller than those of the first thin part, and the difference between the width of the first thin part and the width of the bonded part is less than 1 mm. A section of hot-melt adhesive is placed in the middle to bond the two thin parts together. The length of the hot-melt adhesive is slightly smaller than the length of the first thin part to ensure that the hot-melt adhesive will not leak out after hot pressing.
[0029] The hot melt adhesive is a high-temperature hot melt adhesive above 180°C and a low-temperature hot melt adhesive at 150°C. The material is selected as a single-layer adhesive film or a composite adhesive film formed by combining a high-elastic mesh and an adhesive film on both sides. In order to avoid high-temperature color change at the bonding position and retain the elasticity of the bonding position, a low-temperature high-elastic adhesive is preferred.
[0030] During preparation, initial bonding is performed on a positioning table. This initial bonding with a high-temperature iron prevents subsequent hot-melt bonded components from shifting. The hot-pressing reinforcement process involves hot-pressing the initially bonded ribbons to strengthen the bonded position. The bonded area is then placed in a high-temperature press at 150°C and 0.3MPA to strengthen the bonded area.
[0031] The connection between the first thin portion and the main thick portion is formed as an inclined surface, and the connection between the second thin portion and the main thick portion is formed as an inclined surface, which can better match.
[0032] The following production example is used for illustration.
[0033] The main production equipment is the shuttleless loom from Swiss MULLER. The specific production process is as follows:
[0034] (1) Preparation for root wrapping
[0035] 34 pieces of T28040 / 34 (the root thread formed by double-wrapping of 280D spandex yarn and 40 / 12 / 1SD black nylon) and 30 pieces of T2804 / 34 (the root thread formed by double-wrapping of 280D spandex yarn and 40 / 12 / 1SD white nylon) are used.
[0036] (2) Warping preparation
[0037] The warp yarns for the ribbon are sorted and wound onto the warp beams for weaving preparation. The warp yarns are 40D / 1 nylon, 40D / 2 nylon, T2804 / 34, and T28040 / 34 for the wrapping, totaling 311 strands. These include 64 strands of skeleton yarn and 247 strands of body yarn. All yarns are then warped to form the warp material.
[0038] (3) Wear brown
[0039] according to Figure 3 The warp arrangement order shown in the palm threading diagram is to pass all the warp threads through the palm thread holes. ( Figure 3 The numbers "1, 2, 3..." in the small and medium squares represent the serial number of the palm frame; the numbers "↑1↑2↑3↑..." in the arrow boxes represent the order in which the yarn is fed into the reed.
[0040] (4) Production density
[0041] The fabric density of the thick part a of this embodiment is 16 stitches / cm, and the thin part b is 17 stitches / cm.
[0042] (5) Width and reed
[0043] The width of this embodiment is 21 mm, the reed specification is 34 (i.e. 34 grids per inch), and a total of 31 grids are used. Figure 3 The order of inserting the warp threads into the reed as shown in the diagram is to insert the warp threads into the designated grid positions of the reed.
[0044] (6) Weft
[0045] In this embodiment, the weft yarns are two pieces of 40D / 2 nylon and two pieces of 20 / 1 thermal fuse yarn.
[0046] (7) Sideline
[0047] The side line in this embodiment is made of 40D / 1 nylon.
[0048] (8) Laws of organizational structure movement
[0049] This embodiment mainly uses computerized loose-knitted yarn to control the movement of the warp threads. The skeleton spandex covering yarns T28040 / 34 and T2804 / 34 mainly support the belt body and both sides. When weaving the main thick part, the structure is one middle and one high and one middle and one low. When weaving the first thin part and the second thin part, the structure is one up and one down, one frame chain. When weaving the main thick part, the upper belt veil N6 40 / 34 / 2SD has a structure of three highs, one middle, and two frame chains. The lower yarn N6 40 / 34 / 2SD has a structure of three lows, one middle, and two frame chains. The connecting yarn structure is one middle, one up, one middle, and one down, two frame chains interwoven with the upper and lower covering yarns. When weaving the first thin part and the second thin part, the upper belt veil N6 40 / 34 / 2SD has a structure of three highs, one low, and two frame chains. The lower yarn N6 40 / 34 / 2SD has a structure of three lows, one high, and two frame chains. The connecting yarn structure is an upper and lower frame chain interwoven with a root yarn; the weaving forms a single-layer webbing with a thick portion and a thin portion.
[0050] (9) The weft threads 75D / 1 and 20 / 1 are passed through the weft conveyor and through the weft hook. The weft hook drives the weft thread across the opening formed by the warp thread driven by the flower chain, and then passes through the weft thread up and down on the edge thread driven by the edge hook. The edge thread is collected by the latch needle. The reed swings back and forth to compact the weft thread that passes through the yarn opening, forming a webbing.
[0051] (10) The rubber wheel rotates to take up the webbing, and the take-up speed is adjusted by the density adjustment drive device.
[0052] 2. Production of closed loop webbing:
[0053] (1) Cutting the webbing: the thick and thin single-layer webbing prepared above is cut at the middle position of the thin portion by a cutting device to obtain a strip webbing consisting of a first thin portion, a main thick portion and a second thin portion.
[0054] (2) Lamination: Place the first thin part and the second thin part of the cut strip of webbing parallel to each other, and add a hot-melt adhesive in the middle. To prevent the hot-melt adhesive from moving during lamination, place the hot-melt adhesive accurately on the positioning table, and use high-temperature equipment such as an iron to perform preliminary bonding on the thin part b1, the hot-melt adhesive and the thin part b2.
[0055] (3) Hot pressing reinforcement: Place the initial bonding position under a high-temperature pressing machine for hot pressing reinforcement. The high-temperature pressing machine heating plate acts on the front and back sides at 150°C and a pressure of 0.3MPA for 15S respectively. After the ribbon cools down, a closed ring ribbon can be obtained.
[0056] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A closed loop webbing, comprising a webbing body woven with a double weft structure, characterized in that: The webbing body is a single-layer structure, and has a first thin portion, a main thick portion, and a second thin portion connected in sequence. The thickness of the main thick portion is greater than the thickness of the first thin portion and the second thin portion. The first thin portion is arranged at one end of the webbing body, and the second thin portion is arranged at the other end of the webbing body. The main thick portion is located between the first thin portion and the second thin portion, and the first thin portion and the second thin portion are bonded and fixed by an adhesive.
2. The closed loop webbing according to claim 1, characterized in that: The adhesive member is a hot-melt adhesive body, and the first thin portion and the second thin portion are hot-pressed and fastened by a pressing machine.
3. The closed loop webbing according to claim 1, characterized in that: The thickness of the main thick portion is greater than or equal to twice the thickness of the first thin portion.
4. The closed loop webbing according to claim 1, characterized in that: The weft of the ribbon body is provided with a thermal fuse, which is made of polyester or nylon.
5. The closed loop webbing according to claim 1, characterized in that: The main thick portion is an elastic webbing with an elastic elongation ranging from 130% to 170%. The first thin portion and the second thin portion have the same elasticity and an elastic elongation ranging from 60% to 80%.
6. The closed loop webbing according to claim 1, characterized in that: The first thin portion and the second thin portion have the same length, width and thickness.
7. The closed loop webbing according to claim 1, characterized in that: The length and width of the bonded member are smaller than those of the first thin portion, and the difference between the width of the first thin portion and the width of the bonded member is smaller than 1 mm.
8. The closed loop webbing according to claim 1, characterized in that: A connection between the first thin portion and the main thick portion is formed as an inclined surface, and a connection between the second thin portion and the main thick portion is formed as an inclined surface.