OPW textile body

Abstract

The application discloses a manufacturing method of an inflatable OPW textile body and the OPW textile body. The method comprises the following steps: S1, manufacturing the OPW textile body through an integrated weaving process to form a functional cavity and an edge area, and forming a textile edge area in the edge area; S2, introducing a sealing material into the textile edge area through at least one of injection, extrusion, impregnation, lamination, hot melt activation, welding or stuffing; S3, activating or solidifying the sealing material to form a sealing element; and S4, performing air tightness detection on the edge area. The edge area can be sealed in a process-stable, repeatable and detectable manner, different sealing methods can be selected according to actual needs without changing the basic structure of the OPW textile body, multiple sealing principles can be combined to form a reliable leakage barrier, and the sealing quality can be objectively verified through air tightness detection and process data tracing, and the application is suitable for airbellow, inflatable vehicle tent walls and the like.

Description

Technical Field

[0001] This invention relates to the field of inflatable textile structural components, specifically to a method for manufacturing an inflatable OPW textile and an inflatable OPW textile, which can be used in Airbellow, inflatable vehicle tent walls, or thermal insulation pneumatic structural components. Background Technology

[0002] Inflatable textile structural components, such as Airbellow, inflatable vehicle tent walls, or insulated pneumatic wall structures, are widely used in vehicle interiors, outdoor activities, and other fields. In OPW (One-Piece-Woven) Airbellow, the fillable chambers are formed during the weaving process, allowing the planar areas to be made very lightweight, shape-stable, and insulating. However, the edge areas remain critical: where the weaving yarn paths, open pores, cut edges, filler channels, or transition areas must be sealed to prevent the working medium from escaping. The following are the main problems with the prior art: (1) The sealing method is limited and cannot cover all manufacturing scenarios.

[0003] Existing solutions primarily rely on a single sealing method, such as using edge regions with varying weave density or additional chambers filled with sealant. These solutions are each only applicable to specific fabric structures and manufacturing processes, and cannot be flexibly applied to different manufacturing scenarios.

[0004] (2) Insufficient adaptability to different materials and process conditions.

[0005] When the fabric structure, surface coating, chamber pressure, production cycle time, or vehicle application scenario change, existing edge sealing solutions often require redesigning the basic structure of the textile or replacing the entire process line, resulting in high design costs and poor flexibility.

[0006] (3) The sealing process is difficult to verify and trace.

[0007] In the existing technology, the process of introducing, maintaining and activating sealing materials in the edge area lacks systematic process data recording and airtightness verification methods, making it difficult to reliably verify and trace the sealing quality and ensure consistency in mass production.

[0008] In summary, the existing technology lacks a complete technical solution that can seal the edge area of ​​inflatable OPW textiles in a stable, repeatable and detectable manner, and can combine different sealing materials and sealing processes. Summary of the Invention

[0009] The technical problem to be solved by the present invention is to overcome the defects in the prior art and provide a method for manufacturing an inflatable OPW textile and an inflatable OPW textile whose edge area can be sealed in a process-stable, repeatable and detectable manner, and different sealing materials and processes can be used in combination.

[0010] The present invention solves the above-mentioned technical problems through the following technical solution: A method for manufacturing an inflatable OPW textile includes the following steps: S1. OPW textile body is manufactured through an integrated weaving process to form functional chambers and edge areas, and textile edge areas are formed in the edge areas. S2. Introduce a sealing material into the textile edge area, wherein the method of introducing the sealing material is selected from at least one of the following groups: injection, extrusion, impregnation, lamination, hot melt activation, welding or filling. S3. Activate or cure the sealing material to form a sealing element; S4. Perform airtightness testing on the edge areas.

[0011] Preferably, in step S2, the sealing material is introduced by injection through a filling channel formed inside the textile edge area.

[0012] Preferably, in step S2, the sealing material is introduced into the textile edge area under the action of at least one of pressure, negative pressure, capillary action, roller pressing or pressing force.

[0013] Preferably, in step S2, the sealing material is placed on the surface or between layers of the textile edge area in the form of a hot melt film or thermoplastic strip, and in step S3, it is melted by heating and immersed into the textile edge area.

[0014] Preferably, in step S2, the sealing material is used to fuse at least a portion of the fabric layer in the textile edge area to form a weld by at least one of ultrasonic welding, high-frequency welding, induction welding, laser welding, infrared welding or hot-press welding.

[0015] Preferably, in step S2, the sealing material is inserted or filled into the reserved channel or groove in the textile edge area in the form of a filling profile, sealing rope, foam element, elastomer profile, butyl strip or thermoplastic embedding profile.

[0016] Preferably, after step S2, the filling profile is held or snapped onto the textile edge area from the outside by clamping or snapping the profile or insert profile to keep the filling profile fixed.

[0017] Preferably, in step S2, the sealing material forms a covering layer on the outside of the textile edge area by injection molding or casting molding, so that the textile edge area is at least partially covered by the covering layer.

[0018] Preferably, step S2 includes at least two sequential sealing material introduction operations, and the type or method of sealing material introduced in each operation is different.

[0019] Preferably, step S2 includes: first forming a pre-sealing layer by hot melting or welding; then injecting silicone, TPU, PUR, butyl or reactive adhesive into the textile edge area; and finally arranging a protective profile or inlay profile above the edge area.

[0020] Preferably, in step S4, the airtightness test is performed by at least one of the following methods: pressure drop test, flow test, bubble test, staining test, vacuum test, or helium detection test.

[0021] Preferably, after step S1 and before step S2, a pretreatment step is included for the textile edge area, wherein the pretreatment is selected from plasma treatment, corona treatment, primer coating, flame treatment, cleaning, mechanical roughening or chemical activation.

[0022] Preferably, the method further includes the following steps: recording at least one piece of process data from steps S2 to S4, including temperature, pressure, injection volume, residence time, negative pressure value, closing force or pressure drop value; and uniquely associating the process data with the OPW textile and storing it as quality traceability data.

[0023] The present invention also provides an inflatable OPW textile body, which is manufactured by any of the above methods, the OPW textile body comprising: Fillable functional chambers; The edge region is used to hermetically seal the functional chamber, and the edge region includes a sealing assembly, which includes a textile edge area and a sealing element disposed in the textile edge area, the sealing element being made of a sealing material.

[0024] Preferably, the edge region further includes an auxiliary chamber disposed on one side of the functional chamber, the interior space of the auxiliary chamber being filled with a sealing material, the sealing material being constrained within the auxiliary chamber in an elastic, gel-like, cured, cross-linked, or thermoplastic solidified state.

[0025] Preferably, the edge region further includes a filling channel for introducing sealing material into the textile edge region.

[0026] Preferably, the edge region further includes a thermoplastic layer, a film, a hot melt layer, or a molten adhesive layer.

[0027] Preferably, at least one of the following is provided in the edge region: a filling profile, a sealing rope, a foam element, an elastomer profile, a butyl strip, or a thermoplastic insert profile.

[0028] Preferably, the filling channel or textile edge area is provided with at least one injection port and at least one vent port, which are closed after the introduction of sealing material.

[0029] Preferably, the edge region is provided with a test channel, test interface or marked detection area for detecting the airtightness of the edge region by pressure drop, flow rate, bubble, staining, vacuum or helium detection method.

[0030] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of the present invention.

[0031] The positive and progressive effects of this invention are as follows: 1. The edge region is adaptable to different production lines without altering the basic structure of the OPW textile. The sealing assembly in the edge region combines the textile edge area with a sealing element made of sealing material. This sealing material can be introduced into the textile edge area through at least one of the following methods: injection, extrusion, impregnation, lamination, hot-melt activation, welding, or caulking. This allows for the selection of different sealing methods based on the actual needs of the fabric, coating, chamber pressure, cycle time, and application scenario, enabling the edge region to adapt to different production lines without changing the basic structure of the OPW textile.

[0032] 2. The seal can be designed to be easy to maintain, automated, and testable. By sequentially introducing the sealing material, activating or curing it, sealing the filling port and vent, and performing an airtightness test, the sealing process can be implemented in steps, each of which can be independently controlled and inspected, facilitating automation and subsequent maintenance.

[0033] 3. Multiple sealing principles can be combined to form a reliable leakage barrier on the fabric plane, cut edges, or transition areas. By introducing sealing materials in succession and in different ways, multiple sealing principles can be superimposed to form a robust and reliable leakage barrier on the fabric plane, cut edges, or transition areas, improving sealing reliability under high chamber pressure or complex operating conditions.

[0034] 4. Sealing quality can be reliably verified and traced. By conducting airtightness tests and recording process data, and uniquely linking the process data with the OPW textile body and storing it as quality traceability data, sealing quality can be objectively evaluated and traced back, facilitating quality management in mass production.

[0035] 5. This system is particularly suitable for applications such as Airbellow, inflatable vehicle tent walls, rooftop tents, pop-up structures, and insulated pneumatic walls, and has broad application prospects. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments are briefly described below. Obviously, the drawings described below are merely some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0037] Figure 1 A structural schematic diagram of the OPW Airbellow with modular sealed edge regions is shown.

[0038] Figure 2 A schematic diagram of a structure for injecting or impregnating a sealant into the edge area of ​​a textile is shown.

[0039] Figure 3 A schematic diagram of an auxiliary chamber filled with sealant serving as a lateral leakage barrier is shown.

[0040] Figure 4 A schematic diagram of a hot melt layer or thermoplastic layer activated by heat, high frequency, ultrasound or laser is shown.

[0041] Figure 5 A schematic diagram of the structure is shown, which holds the filling edge of the elastomeric profile by clamping elements or insert rails.

[0042] Figure 6 A flowchart illustrating the manufacturing process of inflatable OPW textiles is shown.

[0043] Explanation of reference numerals in the attached figures: 10. OPW textile body; 12. Functional chamber; 14. Edge area; 16. Textile edge area; 18. Sealing element; 20. Filling channel; 22. Auxiliary chamber; 24. Sealing material; 26. Hot melt layer; 28. Weld; 30. Filler profile; 32. Insert profile; 34. Injection port. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. 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.

[0045] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application.

[0046] For ease of understanding, the following explanations are provided for some of the nouns and terms used in the embodiments of this application: (1) OPW textile body: OPW is an abbreviation for One-Piece-Woven, which refers to the one-piece weaving process; OPW textile body refers to a textile body that is woven into one piece through the one-piece weaving process and forms at least one fillable chamber during the weaving process. It is also called woven air bag or one-piece textile air bag.

[0047] (2) Airbellow: refers to bellows-type inflatable textile structural elements that can be used in applications such as inflatable vehicle tent walls, roof tents, pop-up structures, and thermal insulation pneumatic structures.

[0048] (3) Functional chambers: These are chambers formed within the OPW textile during the weaving process that can be filled with working media (such as air) to bear loads or provide functional space.

[0049] (4) Edge area: refers to the area located at the edge of the functional chamber of the OPW textile or the transition area between the functional chamber and the adjacent structure. The functional chamber needs to be hermetically sealed in this area to prevent the working medium from escaping.

[0050] (5) Textile edge area: refers to the weaving area set in the edge area, which can have different weaving density, yarn quantity, yarn structure, porosity or capillary action relative to the wall area of ​​the functional chamber, and is used to accommodate and fix the sealing material.

[0051] (6) Sealing element: refers to the sealing structure formed after the sealing material is introduced into the textile edge area and activated, cured or fused, and is used to airtighten the functional chamber.

[0052] (7) Sealing material: refers to a material that can be introduced into the edge area in the form of fluid, paste, melt, elastomer or solid, and form an hermetically sealed structure in the edge area after activation, curing or fusion, such as silicone, fluorosilicone, polyurethane, TPU, TPE, butyl, epoxy, acrylate, rubber, reactive hot melt material or thermoplastic adhesive.

[0053] (8) Inlay strip profile: refers to the profile used to clamp and fix the edge area of ​​the textile or fill the profile, also known as clamping profile or keder strip.

[0054] Please see Figure 1 and Figure 6 This application provides a method for manufacturing an inflatable OPW textile, the purpose of which is to airtighten the edge area of ​​the OPW textile 10 in a stable, repeatable and detectable manner.

[0055] In one basic implementation, the method includes the following steps: First, step S1 is performed: an OPW textile body 10 is manufactured using an integrated weaving process (e.g., jacquard weaving or OPW process) to form functional chambers 12 and edge regions 14, and a textile edge region 16 is formed within the edge regions 14. The functional chambers 12 are fillable chambers formed during the weaving process, and the integrated weaving structure allows for a very lightweight and shape-stable fabric. The edge regions 14 are located at the edges of the functional chambers 12 or at the transition points between the functional chambers 12 and adjacent structures. The textile edge region 16 is a woven area disposed within the edge regions 14. In one embodiment, the textile edge region 16 has altered weaving density, yarn count, yarn structure, porosity, or capillary action relative to the wall region of the functional chambers 12, for example, by reducing the weaving density to facilitate easier penetration and distribution of the sealing material 24 within the textile edge region 16.

[0056] Next, step S2 is performed: a sealing material 24 is introduced into the textile edge area 16. The sealing material 24 is introduced by at least one of the following methods: injection, extrusion, impregnation, lamination, hot melt activation, welding, or filling. The sealing material 24 includes, for example, silicone, fluorosilicone, polyurethane (PUR), TPU, TPE, butyl, epoxy, acrylate, rubber, reactive hot melt material, or thermoplastic adhesive. Depending on the specific embodiment, the sealing material 24 may be injected into the edge channel, sucked into the porous woven area, embedded as a hot melt film, melted as a thermoplastic strip, placed in an auxiliary chamber, filled as a profile, pressed by clamping strips, or shaped as an injection edge or casting edge.

[0057] Next, step S3 is performed: the sealing material 24 is activated or cured to form a sealing element 18. Activation or curing can be achieved by heat, ultrasound, high frequency, induction, infrared, laser or heated pressing tools; the sealing material 24 is in an elastic, gel-like, cured, cross-linked or thermoplastic solidified state in the textile edge area 16, thereby sealing the functional chamber 12.

[0058] Next, step S4 is performed: an airtightness test is conducted on the edge region 14. The airtightness test can be performed by pressure drop test, flow test, bubble test, staining test, vacuum test or helium test to objectively evaluate the airtightness of the sealing element 18 and the edge region 14.

[0059] The OPW textile fabric 10 manufactured by the above method includes a fillable functional chamber 12 and an edge region 14, the edge region 14 being used to hermetically seal the functional chamber 12. See also... Figure 1The edge region 14 includes a sealing assembly, which includes a textile edge region 16 and a sealing element 18 disposed in the textile edge region 16. The sealing element 18 is made of sealing material 24. The sealing element 18 fills and seals the pores, yarn paths and transition channels in the textile edge region 16, thereby forming an airtight barrier for the functional chamber 12.

[0060] In a preferred embodiment, in step S2, the sealing material 24 is introduced by injection via a filling channel 20 formed inside the textile edge region 16. See also Figure 2 The filling channel 20 is formed inside the textile edge area 16 during the weaving process or in a subsequent process and is connected to the injection port 34; the sealing material 24 (e.g., silicone or polyurethane sealant) is injected into the filling channel 20 under pressure through the injection port 34 and introduced into the textile edge area 16 via the filling channel 20.

[0061] For example, the injection port 34 is located at the end of the filling channel 20, and the sealing material 24 is injected into the filling channel 20 through the injection nozzle. The sealing material 24 is then distributed along the filling channel 20 to the pores and yarn gaps of the textile edge area 16 under capillary action.

[0062] Through the above technical solution, the filling channel 20 can guide the sealing material 24 to a predetermined position in the textile edge area 16, making the introduction of the sealing material 24 more accurate and controllable, avoiding the diffusion of the sealing material 24 into the functional chamber 12 or non-sealed areas, while improving filling efficiency and filling uniformity.

[0063] In a preferred embodiment, in step S2, the sealing material 24 is introduced into the textile edge region 16 under at least one of pressure, negative pressure, capillary action, rolling pressure, or pressing force. For example, positive pressure is used to press the sealing material 24 into the pores of the textile edge region 16; or negative pressure or pressure gradient is used to draw the sealing material 24 into predetermined pores, yarn crossings, or channels in the edge region 14; or the sealing material 24 is spread and pressed into the textile edge region 16 by rolling pressure or pressing force.

[0064] Through the above technical solution, the appropriate driving method can be selected according to the viscosity of the sealing material 24 and the porosity of the textile edge area 16, ensuring that the sealing material 24 is fully wetted and distributed in the textile edge area 16, avoiding sealing failure caused by air bubbles or insufficient filling, and further improving the reliability of the seal.

[0065] In a preferred embodiment, in step S2, the sealing material 24 is placed on the surface or between layers of the textile edge area 16 in the form of a hot-melt film or thermoplastic strip, and in step S3, it is melted by heating and immersed into the textile edge area 16. See also Figure 4The hot melt film or thermoplastic strip is placed in a predetermined position in the textile edge area 16 in a solid state. After being heated and melted in step S3, the molten sealing material 24 is immersed into the pores of the textile edge area 16 under capillary action and then re-solidifies after cooling to form a sealing element 18.

[0066] Through the above technical solution, the sealing material 24 is pre-placed in solid form and activated in subsequent processes, avoiding the limitations of liquid sealant in storage and transportation, and shortening the process cycle. After being melted, the sealing material 24 is immersed into the textile edge area 16, and has good wettability and bonding force with the fabric, resulting in a stable and reliable sealing effect.

[0067] In a preferred embodiment, in step S2, the sealing material 24 fuses at least a portion of the fabric layers of the textile edge region 16 to form a weld 28 by at least one of ultrasonic welding, high-frequency welding, induction welding, laser welding, infrared welding, or thermostatic welding. The weld 28 is formed by fusing the fabric layers (e.g., fabric layers containing thermoplastic fibers) of the textile edge region 16 and is used for airtight connection of adjacent fabric layers or sealing of the edge of the textile edge region 16.

[0068] Through the above technical solutions, weld 28 can form an airtight barrier without the addition of additional sealing material, or it can be used in combination with sealing material 24 to improve sealing strength; the welding process is fast and can be automated, making it suitable for high-speed mass production.

[0069] In a preferred embodiment, in step S2, the sealing material 24 is inserted or filled into the reserved channel or groove of the textile edge area 16 in the form of a filling profile 30, a sealing cord, a foam element, an elastomer profile, a butyl strip, or a thermoplastic insert profile. See also Figure 5 The filling profile 30 is inserted or filled into the reserved channel or groove of the textile edge area 16, and a sealing barrier is formed in the edge area 14 by means of the compression deformation of the filling profile 30 itself or the filling of the channel.

[0070] Through the above technical solution, the filling profile 30 is a solid component that can be prefabricated. Its shape and size can be customized according to the structure of the edge region 14. The selection is flexible, which facilitates automated feeding and filling. The filling process is fast and suitable for high-cycle applications.

[0071] In a preferred embodiment, after step S2, the filling profile 30 is held or secured from the outside of the textile edge area 16 by clamping or snapping the clamping profile or insert profile 32 to keep the filling profile 30 fixed. The clamping profile or insert profile 32 is arranged on the outside of the textile edge area 16 to clamp the filling profile 30 from the outside and prevent the filling profile 30 from shifting or coming out under use conditions.

[0072] Through the above technical solutions, the clamping profile or insert profile 32 provides reliable mechanical fixation for the filling profile 30, so that the seal is not affected by external forces such as vibration and compression during use; the clamping or snapping method facilitates maintenance and repair, and the filling profile 30 can be replaced and reused.

[0073] In a preferred embodiment, in step S2, the sealing material 24 forms a covering layer on the outside of the textile edge area 16 by injection molding or casting molding, so that the textile edge area 16 is at least partially covered by the covering layer. In this embodiment, the edge mold can accommodate the OPW textile body 10, and liquid silicone, TPU, TPE, PUR or epoxy material is injected or cast into the gap between the edge area 14 and the edge mold, and after curing, forms a covering layer that partially or completely covers the textile edge area 16.

[0074] Through the above technical solution, the coating layer formed by injection molding or casting can completely wrap the textile edge area 16, while protecting the cut edge and transition area. It is particularly suitable for occasions where the edge area 14 has a complex shape or the chamber pressure is high, and the seal is robust and reliable.

[0075] In a preferred embodiment, step S2 includes at least two sequential sealing material introduction operations, with each introduction involving a different type of sealing material or a different method of introduction. For example, the first introduction operation forms a pre-sealing layer through heat fusion or welding, and the second introduction operation introduces a liquid sealant, allowing different sealing mechanisms to be superimposed to form a multi-stage sealing structure.

[0076] Through the above technical solutions, by combining different sealing materials or different introduction methods, multiple sealing principles can be superimposed to form a more robust and reliable leakage barrier, thereby improving the sealing reliability when the chamber pressure is high or the operating conditions are complex.

[0077] In a preferred embodiment, step S2 includes: first forming a pre-sealing layer by hot melting or welding; then injecting silicone, TPU, PUR, butyl or reactive adhesive into the textile edge area 16; and finally arranging a protective profile or inlay profile 32 above the edge area 14.

[0078] In other words, the sealing is implemented in multiple stages: the pre-sealing layer first forms a preliminary seal, reducing the risk of leakage during the subsequent introduction of sealing material 24; then the injected silicone, TPU, PUR, butyl or reactive adhesive cures or cross-links in the textile edge area 16 to form the main sealing body; finally, the protective profile or insert profile 32 arranged above the edge area 14 provides protection and fixation for the sealing assembly.

[0079] Through the above technical solutions, the multi-stage sealing process has a clear division of labor and the quality of each stage is controllable. The pre-sealing layer, sealing body and protective profile work together to make the sealing process both stable and structurally robust, which is convenient for testing and maintenance.

[0080] In a preferred embodiment, in step S4, the airtightness test is performed by at least one of the following methods: pressure drop test, flow rate test, bubble test, staining test, vacuum test, or helium detection test. For example, in the pressure drop test, the working medium is filled into the functional chamber 12, and the sealing is judged based on the pressure drop value of the functional chamber 12 within a set time; in the helium detection test, a helium mass spectrometer leak detector is used to detect leaks in the edge region 14, which has higher detection sensitivity.

[0081] Through the above technical solutions, airtightness testing can objectively and quantitatively assess the sealing quality of the edge area 14, promptly identify and rework defective products, and ensure the product's factory qualification rate.

[0082] In a preferred embodiment, after step S1 and before step S2, a pretreatment step is included for the textile edge region 16. The pretreatment is selected from plasma treatment, corona treatment, primer coating, flame treatment, cleaning, mechanical roughening, or chemical activation. For example, before introducing the sealing material 24, the surface of the textile edge region 16 is subjected to plasma treatment or corona treatment to increase the surface energy of the textile edge region 16; or, a primer is applied to the surface of the textile edge region 16 to improve the adhesion between the sealing material 24 and the fabric.

[0083] Through the above technical solution, the pretreatment can improve the wettability and adhesion between the sealing material 24 and the textile edge area 16, ensuring that the sealing material 24 can be stably introduced and maintained in the textile edge area 16, and further improving the long-term reliability of the seal.

[0084] In a preferred embodiment, the following steps are also included: Record at least one piece of process data from steps S2 to S4. The process data includes temperature, pressure, injection volume, residence time, negative pressure value, closing force, or pressure drop value. Process data is uniquely associated with each OPW textile body 10 and stored as quality traceability data. In other words, each process parameter of each OPW textile body 10 during the sealing process is recorded and uniquely associated with the corresponding OPW textile body 10 through serial number, barcode, or encoding, and stored in the quality management system.

[0085] Through the above technical solution, the process data can be uniquely traced back to a specific OPW textile body 10. When a sealing quality problem occurs, the process parameters at that time can be quickly located and analyzed, which facilitates quality improvement and accountability, and also provides data support for the continuous optimization of process parameters.

[0086] In a preferred embodiment, the edge region 14 further includes an auxiliary chamber 22 disposed on one side of the functional chamber 12. The internal space of the auxiliary chamber 22 is filled with a sealing material 24, which is constrained within the auxiliary chamber 22 in an elastic, gel-like, cured, cross-linked, or thermoplastic solidified state. Please refer to [link to previous text]. Figure 3 The auxiliary chamber 22 is a narrow chamber located next to the functional chamber 12. After the sealing material 24 is filled and solidified, it forms a barrier along the side of the functional chamber 12 to prevent lateral leakage. The auxiliary chamber 22 is permanently sealed after filling.

[0087] Through the above technical solution, the sealing material 24 constrained in the auxiliary chamber 22 forms a continuous and airtight lateral leakage barrier. Even if the sealing in the textile edge area 16 is insufficient, the auxiliary chamber 22 can provide a backup seal, which significantly improves the overall sealing reliability of the edge area 14.

[0088] In a preferred embodiment, the edge region 14 further includes a filling channel 20 for introducing the sealing material 24 into the textile edge region 16. The filling channel 20 can be formed in the textile edge region 16 during the weaving process, or it can be formed by cutting or hot pressing, and its cross-section can be strip-shaped, perforated, or a reserved space between fabric layers.

[0089] Through the above technical solution, the filling channel 20 provides a predetermined introduction path for the sealing material 24, enabling the sealing material 24 to be accurately and evenly introduced into the textile edge area 16, which facilitates automated filling.

[0090] In a preferred embodiment, the edge region 14 further includes a thermoplastic layer, a film, a hot-melt layer 26, or a molten adhesive layer, the hot-melt layer 26 being fused or welded to at least one fabric layer of the textile edge region 16. See also... Figure 4 The hot melt layer 26 is disposed on the surface or between the layers of the textile edge area 16. After being activated by heat, high frequency, ultrasound, induction, laser, infrared or heating and pressing tools, it melts and penetrates into the textile edge area 16, and re-solidifies and combines with the fabric layer to form a sealing element 18.

[0091] Through the above technical solution, the hot melt layer 26 and the fabric layer are fused together to form an airtight sealing layer. The process is simple and fast. It can be used alone or combined with other sealing methods to form a composite sealing structure.

[0092] In a preferred embodiment, the edge region 14 is provided with at least one of the following: a stuffing profile 30, a sealing cord, a foam element, an elastomer profile, a butyl strip, or a thermoplastic insert profile. The stuffing profile 30 is inserted into or stuffed into a reserved channel or groove in the textile edge region 16 and held therein. Please refer to [link to previous description]. Figure 5In one embodiment, the filling profile 30 is an elastomeric profile and is held by a clamping profile or insert profile 32.

[0093] Through the above technical solution, the filling profile 30 and the like form a physical barrier in the edge region 14 by filling and compressing in the channel. Its sealing principle does not depend on the curing of the sealing material 24. It can be used alone as a sealing method or in combination with other sealing methods to improve the redundancy of the seal.

[0094] In a preferred embodiment, the filling channel 20 or the textile edge area 16 is provided with at least one injection port 34 and at least one vent port, which are closed after the sealing material 24 is introduced. The injection port 34 is used to introduce the sealing material 24 into the textile edge area 16 or the filling channel 20, and the vent port is used to expel air from the textile edge area 16 when the sealing material 24 is introduced, so as to prevent the sealing material 24 from being blocked by air and forming voids.

[0095] Through the above technical solution, the coordinated arrangement of the injection port 34 and the exhaust port ensures that the sealing material 24 can completely and without voids fill the textile edge area 16; after the sealing material 24 is introduced, the injection port 34 and the exhaust port are sealed, ensuring the long-term airtightness of the edge area 14.

[0096] In a preferred embodiment, the edge region 14 is provided with a test channel, a test interface, or a marked detection area for testing the airtightness of the edge region 14 using pressure drop, flow rate, bubble, staining, vacuum, or helium detection methods. The test interface may be a pre-reserved interface on the edge region 14 for connecting to testing equipment; the marked detection area is the area in the edge region 14 that is marked and focused on during testing.

[0097] Through the above technical solution, the test channel and test interface facilitate the airtightness test of the edge area 14 during the production process or after mass production, so that the sealing quality can be tested and verified at any time, which facilitates the quality control of the product.

Claims

1. A method for manufacturing an inflatable OPW textile, characterized in that, Includes the following steps: S1. An OPW textile body is manufactured by an integrated weaving process to form a functional chamber (12) and an edge region (14), and a textile edge region (16) is formed in the edge region (14). S2. Introduce a sealing material into the textile edge area (16), wherein the sealing material is introduced by at least one of the following methods: injection, extrusion, impregnation, lamination, hot melt activation, welding or filling; S3. Activate or cure the sealing material to form a sealing element (18). S4. Perform airtightness testing on the edge region (14).

2. The method according to claim 1, characterized in that, In step S2, the sealing material is introduced by injection through a filling channel (20) formed inside the textile edge area (16).

3. The method according to claim 1, characterized in that, In step S2, the sealing material is introduced into the textile edge area (16) under the action of at least one of pressure, negative pressure, capillary action, roller pressing or pressing force.

4. The method according to claim 1, characterized in that, In step S2, the sealing material is placed on the surface or between layers of the textile edge area (16) in the form of a hot melt film or thermoplastic strip, and in step S3, it is melted by heating and immersed into the textile edge area (16).

5. The method according to claim 1, characterized in that, In step S2, the sealing material is used to fuse at least a portion of the fabric layer of the textile edge area (16) to form a weld (28) by at least one of ultrasonic welding, high frequency welding, induction welding, laser welding, infrared welding or hot pressure welding.

6. The method according to claim 1, characterized in that, In step S2, the sealing material is inserted or filled into the reserved channel or groove of the textile edge area (16) in the form of a filling profile (30), a sealing rope, a foam element, an elastomer profile, a butyl strip or a thermoplastic embedding profile.

7. The method according to claim 6, characterized in that, After step S2, the textile edge area (16) is held or snapped from the outside by clamping or inserting profiles (32) to keep the filling profile (30) fixed.

8. The method according to claim 1, characterized in that, In step S2, the sealing material forms a covering layer on the outside of the textile edge area (16) by injection molding or casting molding, so that the textile edge area (16) is at least partially covered by the covering layer.

9. The method according to claim 1, characterized in that, Step S2 includes at least two sequential sealing material introduction operations, with each introduction involving a different type of sealing material or a different method of introduction.

10. The method according to claim 9, characterized in that, Step S2 includes: First, a pre-sealing layer is formed by hot melting or welding; Then silicone, TPU, PUR, butyl or reactive adhesive is injected into the textile edge area (16); Finally, a clamping profile or insert profile (32) is arranged above the edge area (14).

11. The method according to claim 1, characterized in that, In step S4, the airtightness test is performed by at least one of the following methods: pressure drop test, flow test, bubble test, staining test, vacuum test, or helium detection test.

12. The method according to claim 1, characterized in that, After step S1 and before step S2, a pretreatment step is also included for the textile edge area (16), wherein the pretreatment is selected from plasma treatment, corona treatment, primer coating, flame treatment, cleaning, mechanical roughening or chemical activation.

13. The method according to claim 1, characterized in that, It also includes the following steps: Record at least one piece of process data from steps S2 to S4, wherein the process data includes temperature, pressure, injection volume, residence time, negative pressure value, closing force or pressure drop value; The process data is uniquely associated with the OPW textile and stored as quality traceability data.

14. An inflatable OPW textile body, characterized in that, The OPW textile fabric, made by the method of any one of claims 1-13, comprises: Fillable functional chamber (12); An edge region (14) is used to hermetically seal the functional chamber (12), and the edge region (14) includes a sealing assembly, the sealing assembly including a textile edge region (16) and a sealing element (18) disposed in the textile edge region (16), the sealing element (18) being made of a sealing material.

15. The OPW textile fabric according to claim 14, characterized in that, The edge region (14) also includes: An auxiliary chamber (22) is disposed on one side of the functional chamber (12). The interior space of the auxiliary chamber (22) is filled with a sealing material, which is constrained within the auxiliary chamber (22) in an elastic, gel-like, cured, cross-linked, or thermoplastic solidified state.

16. The OPW textile fabric according to claim 14, characterized in that, The edge region (14) also includes: A filling channel (20) is used to introduce the sealing material into the textile edge area (16).

17. The OPW textile fabric according to claim 14, characterized in that, The edge region (14) also includes a thermoplastic layer, a film, a hot melt layer (26), or a melt adhesive layer.

18. The OPW textile fabric according to claim 14, characterized in that, The edge region (14) is provided with at least one of the following: a filling profile, a sealing rope, a foam element, an elastomer profile, a butyl strip, or a thermoplastic insert profile (30).

19. The OPW textile fabric according to claim 14, characterized in that, The filling channel (20) or the textile edge area (16) is provided with at least one injection port (34) and at least one vent port, which are closed after the injection port (34) and the vent port are introduced with sealing material.

20. The OPW textile fabric according to claim 14, characterized in that, The edge region (14) is provided with a test channel, test interface or marked detection area for detecting the airtightness of the edge region (14) by pressure drop, flow rate, bubble, staining, vacuum or helium detection method.

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