Moisture-proof woven bag
The woven bag integrates inner moisture-resistant and outer waterproof layers with reinforced bottom and corner patches to address moisture and abrasion issues, ensuring durability and cost-effectiveness.
Patent Information
- Application Number
- CN202422910741.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional woven bags have insufficient moisture resistance and wear resistance in humid environments, which affects the safety and service life of the item.
The moisture-proof and moisture-absorbing layer is composited on the inner side of the woven bag, the waterproof layer is installed on the outer side, and the wear-resistant base cloth layer and wear-resistant sheet are sewn at the bottom, and the wear-resistant sheet is added at the four corners of the bottom. Aramid fiber cloth and TPU coating are used to improve wear resistance.
It achieves excellent moisture-proof performance and wear resistance, extends service life, reduces production costs and reduces replacement frequency.
Smart Images

Figure CN223101553U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of woven bags, in particular to a moisture-proof woven bag. Background Art
[0002] With the development of the logistics industry and the improvement of people's requirements for the quality of life, the requirements for packaging materials are also getting higher and higher. Although traditional woven bags perform well in terms of load-bearing capacity and durability, they have deficiencies in moisture-proof performance and abrasion resistance. Especially when used in rainy or humid environments, it is easy to cause the internal items to be damaged by moisture; and during handling, the bottom of the bag often comes into contact with the ground, making it prone to wear and affecting the service life.
[0003] 1. Moisture-proof problem:
[0004] Traditional woven bags are usually made of materials such as polypropylene (PP) or polyethylene (PE), and these materials themselves do not have good moisture-proof performance. In a humid environment, moisture can penetrate through the gaps of the woven bag into the interior, causing the stored items to become damp and deteriorate. Especially for some products that are very sensitive to humidity, such as food, medicine, electronic products, etc., moisture-proof measures are particularly important.
[0005] 2. Abrasion resistance problem:
[0006] During the handling and stacking of woven bags, the bottom often comes into contact with rough ground or other hard objects, and after long-term use, it is prone to wear and even breakage. Bottom wear not only affects the appearance of the bag, but may also lead to a decrease in load-bearing capacity, increasing the risk of items falling.
[0007] 3. Limitations of existing solutions: Some products enhance the moisture-proof performance by coating a waterproof coating on the surface of the woven bag, but this method often leads to a decrease in breathability, and the coating is easy to fall off. Moreover, coating the entire surface of the bag with an abrasion-resistant coating has a high cost.
[0008] In summary, the existing woven bags have many deficiencies in terms of moisture-proof and abrasion resistance, and there is an urgent need for a new type of woven bag that is both lightweight and has good moisture-proof and abrasion resistance. Content of the Utility Model
[0009] In view of the deficiencies in the background art, the utility model provides a moisture-proof woven bag.
[0010] The technical solution adopted by the utility model is: a moisture-proof woven bag, including a bag body, a moisture-proof and moisture-absorbing layer is compounded on the inner side of the bag body, a waterproof layer is provided on the outer wall of the bag body, a wear-resistant bottom cloth layer is sewn at the bottom of the bag body, a wear-resistant layer is provided on the surface of the wear-resistant bottom cloth layer, and wear-resistant pieces are sewn at the four corners of the bottom of the bag body.
[0011] Further, the wear-resistant base fabric layer is aramid fiber fabric.
[0012] Further, the wear-resistant layer is a TPU coating.
[0013] Further, the thickness of the wear-resistant layer is 50 - 80 μm.
[0014] Further, on one side where the waterproof layer and the moisture-proof and moisture-absorbing layer are connected to the surface of the bag body, a number of concave surfaces are arranged at intervals, and an exhaust gap is formed between the concave surfaces and the first surface.
[0015] Further, the wear-resistant sheet is an aramid fiber sheet.
[0016] Further, the height of the wear-resistant base fabric layer is greater than 1 / 3 of the total length of the bag body.
[0017] The beneficial effects of the present utility model are as follows:
[0018] 1. Excellent moisture-proof performance: A moisture-proof and moisture-absorbing material (such as bamboo charcoal fiber) is compounded on the inner side of the bag body, which can effectively absorb and lock the internal moisture, preventing the stored items from getting damp and deteriorating. At the same time, a high-strength waterproof coating is provided on the outer wall of the bag, which can prevent external moisture from penetrating into the bag, ensuring a dry internal environment.
[0019] 2. Enhanced wear resistance: A wear-resistant base fabric is sewn at the bottom of the bag body, and a wear-resistant layer is provided on the surface of the base fabric, which can effectively resist ground friction and extend the service life of the bag. Wear-resistant sheets are sewn at the four corners of the bottom of the bag body, and these parts are the most severely worn areas. By adding wear-resistant sheets, the overall wear-resistant performance is further improved.
[0020] 3. Lightweight and durable: Through reasonable design, the woven bag of the present application not only maintains good moisture-proof and wear-resistant performance, but also avoids excessive weight increase, making handling more convenient. The use of the wear-resistant base fabric layer and wear-resistant sheets not only enhances the local wear resistance, but also ensures the overall durability, reducing the need for frequent bag replacement.
[0021] 4. Cost-effectiveness:
[0022] Through optimized design, while ensuring high performance, the woven bag of the present application also takes cost control into account. The wear-resistant base fabric layer and wear-resistant sheets are only applied to the easily worn parts, rather than the entire bag body, thus reducing the production cost. Due to the improvement of its durability and moisture-proof performance, users can reduce the replacement cost caused by damage during long-term use, achieving the maximization of economic benefits.
[0023] In addition to the purposes, features and advantages described above, the present utility model has other purposes, features and advantages. The following will refer to the attached drawings to make a further detailed description of the present utility model. Brief Description of the Drawings
[0024] Figure 1 This is a schematic structural diagram of the present utility model.
[0025] Figure 2 This is a cross-sectional schematic diagram of the bag body, moisture-proof and moisture-absorbing layer, and waterproof layer.
[0026] Figure 1-2 In the figure: 1. Bag body; 2. Moisture-proof and moisture-absorbing layer; 3. Waterproof layer; 4. Wear-resistant bottom cloth layer; 5. Wear-resistant layer; 6. Wear-resistant piece; 7. Concave surface; 8. Exhaust gap. Detailed Description of the Preferred Embodiment
[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0028] It should be noted that if there are directional indications (such as up, down, left, right, front, back,...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.
[0029] The present utility model provides a moisture-proof woven bag.
[0030] In this embodiment, referring to Figure 1-2 , the moisture-proof woven bag includes a bag body 1, a moisture-proof and moisture-absorbing layer 2 is compounded on the inner side of the bag body 1, a waterproof layer 3 is provided on the outer wall of the bag body, a wear-resistant bottom cloth layer 4 is sewn at the bottom of the bag body, a wear-resistant layer 5 is provided on the surface of the wear-resistant bottom cloth layer, and wear-resistant pieces 6 are sewn at the four corners of the bottom of the bag body.
[0031] After adopting the above technical solutions, the present application has the following technical effects:
[0032] Moisture-proof performance: The inner moisture-proof and moisture-absorbing layer can effectively absorb and lock internal moisture, preventing stored items from being affected by moisture and deteriorating.
[0033] Waterproof performance: The outer waterproof layer prevents external moisture from penetrating into the bag, ensuring a dry internal environment and further improving the overall moisture-proof ability of the bag body.
[0034] Wear resistance: The wear-resistant bottom cloth layer and the wear-resistant layer significantly improve the wear resistance of the bottom of the bag body, extending the service life of the bag.
[0035] Local protection: The wear-resistant pieces at the four corners of the bottom of the bag body further enhance the durability of these easily worn areas. By only setting the wear-resistant structure locally, while ensuring the wear-resistant performance, the production cost is reduced.
[0036] Specifically, the wear-resistant bottom cloth layer is aramid fiber cloth.
[0037] Aramid fiber cloth has extremely high strength and wear resistance, can effectively resist friction and tearing, and improve the wear-resistant performance of the bag body.
[0038] Specifically, the wear-resistant layer is a TPU coating.
[0039] TPU (thermoplastic polyurethane) coating has excellent wear resistance and tear resistance, can effectively protect the underlying material. At the same time, the TPU coating also has good waterproof performance, further enhancing the waterproof ability of the bag body.
[0040] Specifically, the thickness of the wear-resistant layer is 50 - 80μm.
[0041] A thickness of 50 - 80μm can provide sufficient wear-resistant protection without overly increasing the weight and cost of the bag body.
[0042] Specifically, on one side of the waterproof layer and the moisture-proof and moisture-absorbing layer connected to the bag body surface, a number of concave surfaces 7 are arranged at intervals, and an exhaust gap 8 is formed between the concave surface and the first surface.
[0043] The exhaust gap formed by the concave surface promotes the air circulation inside the bag, helps to reduce the accumulation of internal moisture. At the same time, by promoting air circulation, the effect of the moisture-proof and moisture-absorbing layer can be further enhanced to keep the inside of the bag dry.
[0044] Specifically, the wear-resistant piece is an aramid fiber piece.
[0045] Aramid fiber pieces have extremely high strength and wear resistance, and are particularly suitable for strengthening the four corners of the bottom of the bag body, these easily worn areas.
[0046] Specifically, the height of the wear-resistant bottom cloth layer is greater than 1 / 3 of the total length of the bag body.
[0047] The height of the wear-resistant bottom cloth layer being greater than 1 / 3 of the total length of the bag body means that a larger bottom area is effectively protected against wear. Moreover, it does not cover the entire bag body, reducing the material usage and cost.
[0048] Dear technicians, please note that although the present utility model has been described according to the above specific embodiments, the idea of the present utility model is not limited to this utility model only. Any modification using the idea of the present utility model will be included in the scope of protection of this patent right.
Claims
1. A moisture-proof woven bag, comprising a bag body, characterized in that: A moisture-proof and moisture-absorbing layer is laminated on the inner side of the bag body. A waterproof layer is provided on the outer wall of the bag body. A wear-resistant bottom cloth layer is sewn at the bottom of the bag body. A wear-resistant layer is provided on the surface of the wear-resistant bottom cloth layer, and wear-resistant pieces are sewn at the four corners of the bottom of the bag body.
2. The moisture-proof woven bag according to claim 1, wherein: The wear-resistant bottom cloth layer is made of aramid fiber cloth.
3. The moisture-proof woven bag according to claim 1, characterized in that: The wear-resistant layer is a TPU coating.
4. The moisture-proof woven bag according to claim 3, wherein: The thickness of the wear-resistant layer is 50-80 μm.
5. The moisture-proof woven bag according to claim 1, wherein: A number of concave surfaces are spaced on one side of the waterproof layer and the moisture-proof and moisture-absorbing layer connected to the surface of the bag body. An exhaust gap is formed between the concave surface and the first surface.
6. The moisture-proof woven bag according to claim 1, characterized in that: The wear-resistant piece is an aramid fiber piece.
7. The moisture-proof woven bag according to claim 1, characterized in that: The height of the wear-resistant bottom cloth layer is greater than 1 / 3 of the total length of the bag body.
Citation Information
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