High-barrier degradable paper-plastic composite paper bag

By designing moisture-proof devices in paper-plastic composite paper bags, including sliding sleeves, rod bodies, curved rods and support rods, lifting the bags, solving the problem of moisture at the bottom of the paper bag, improving the stability and safety of the equipment, and reducing cracking and dumping situations.

CN222523208UActive Publication Date: 2025-02-25YIXING WELLKNIT CONTAINER BAG
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Patent Information

Application Number
CN202421308430.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

When placed on the ground, existing paper-plastic composite bags are prone to moisture on the bottom due to ground water stains, and the existing solutions increase the difficulty of equipment operation.

Method used

A high barrier biodegradable paper-plastic composite paper bag is designed, including the bag and moisture-proof device. The moisture-proof device includes a sliding sleeve, a rod body, a curved rod and a support rod. The bag is lifted through these components to make it contact the ground and avoid water stains.

Benefits of technology

It effectively prevents moisture from the bottom of the paper bag, increases the stability and safety of the equipment, reduces the bag cracking and dumping, and facilitates material removal and unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paper-plastic composite paper bags, in particular to a high-barrier degradable paper-plastic composite paper bag which comprises a bag body and a moisture-proof device, a bag opening is formed in the surface of the bag body, the moisture-proof device is arranged on the lower surface of the bag body and comprises a sliding sleeve, the sliding sleeve is fixedly connected with the bag body, and a rod body is arranged on the lower surface of the sliding sleeve. An arc-shaped rod is fixedly connected to the lower surface of the rod body, a supporting rod is fixedly connected to one side of the arc-shaped rod, a first adhesive tape adheres to the side, close to the rod body, of the bag, the first adhesive tape adheres to the rod body, and a second adhesive tape adheres to the side, close to the first adhesive tape, of the bag. The conditions that the bags are affected with damp and material drying is affected are reduced, the conditions that the paper bags are broken due to damp are reduced, meanwhile, the bags can be conveniently supported, the conditions that the bags are overturned and the materials are scattered when materials are easily taken or discharged during placement and operation are reduced, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of paper-plastic composite paper bags, in particular to a high-barrier degradable paper-plastic composite paper bag. Background Art

[0002] Paper-plastic composite bags are made of plastic and kraft paper. Usually the plastic layer is made of flat woven cloth with polypropylene or polyethylene as the base material, and the kraft paper is made of refined composite special kraft paper. It has the characteristics of high strength, good waterproofness and beautiful appearance. It is one of the most popular packaging materials and is widely used in plastic raw materials, cement, feed, chemical, fertilizer and other industries.

[0003] The inventor discovered in his daily work that when a paper bag is placed on the ground and there is water stain on the ground, the bottom of the paper bag is easily damp. In order to solve the problem of dampness on the bottom of the paper bag, the prior art uses a waterproof cloth under the paper bag for treatment. However, this increases the difficulty of operating the equipment, which increases the difficulty of using the equipment, and leads to the problem that the paper bag is inconvenient to store. Utility Model Content

[0004] The utility model aims to solve the defect that the bottom of the paper bag is damp in the prior art, and proposes a high-barrier degradable paper-plastic composite paper bag.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-barrier degradable paper-plastic composite paper bag, comprising a bag and a moisture-proof device, the surface of the bag is provided with a bag opening, the moisture-proof device is arranged on the lower surface of the bag, the moisture-proof device comprises a sliding sleeve, the sliding sleeve is fixedly connected to the bag, the lower surface of the sliding sleeve is provided with a rod body, the lower surface of the rod body is fixedly connected with an arc rod, one side of the arc rod is fixedly connected with a support rod, and by arranging the moisture-proof device, it is convenient to moisture-proof the bottom of the bag, thereby increasing the stability of the equipment and reducing the possibility of bag rupture.

[0006] Preferably, a first tape is bonded to one side of the bag close to the rod body, and the first tape is bonded to the rod body. By providing the first tape, the rod body is easily fixed, the stability of the device is increased, the difficulty of operating the device is reduced, and the use is convenient.

[0007] Preferably, a second tape is bonded to one side of the bag close to the first tape, and the second tape is bonded to the rod body. By providing the second tape, it is convenient to fix the rod body in cooperation with the first tape, thereby increasing the stability of the equipment and reducing the difficulty of operating the equipment.

[0008] Preferably, there are two rod bodies, and the two rod bodies are arranged in mirror symmetry. By arranging the rod bodies, when in use, the rod bodies are convenient for lifting the bag, which increases the stability of the equipment, reduces the difficulty of operating the equipment, facilitates use, and improves the stability of the equipment.

[0009] Preferably, a support assembly is provided on one side of the rod body, and the support assembly includes a bent rod, which is fixedly connected to the rod body, and a side of the bent rod away from the rod body is fixedly connected to a main rod, and a support leg is fixedly connected to the surface of the main rod. By providing the support assembly, it is convenient to support the bag, which reduces the chance of the bag tipping over, increases the stability of the equipment, and facilitates use.

[0010] Preferably, there are three legs, and the three legs are arranged in mirror symmetry. By arranging the legs, it is convenient to support the bag of the equipment, thereby increasing the stability of the equipment, reducing the difficulty of operating the equipment, and facilitating material removal.

[0011] Preferably, the supporting legs are arranged in an arc shape, there are two curved rods, and the two curved rods are arranged in a mirror-symmetrical manner. A third tape is bonded to one side of the main rod, and the third tape is bonded to the bag. By providing the curved rod, the main rod is easily positioned, the stability of the equipment is increased, the use is convenient, and the operation difficulty of the equipment is reduced.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] In the utility model, a moisture-proof device and a supporting assembly are provided. When in use, the bag is placed on the ground, and the rod body and the supporting rod support the bag to lift the bag. At this time, the bag is not in contact with the ground, and it is difficult for water stains to soak the bag. At the same time, the supporting assembly and the supporting legs are against the ground, which is convenient for supporting the bag and reducing the possibility of the bag tipping over, making it convenient for users to take or unload materials. By providing the utility model, it is convenient to perform moisture-proof treatment on the bottom of the paper bag, which increases the safety of the equipment, reduces the possibility of the bag being affected by moisture and affecting the drying of the materials, and reduces the possibility of the paper bag being broken due to moisture. At the same time, it is convenient to support the bag and reduces the possibility of the bag tipping over and the material spilling when placing the bag. It is easy to operate to take or unload materials, and is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the three-dimensional structure of a high-barrier biodegradable paper-plastic composite paper bag proposed in the utility model;

[0015] Figure 2 This is a partial structural schematic diagram of the high barrier biodegradable paper-plastic composite paper bag proposed in the utility model;

[0016] Figure 3 The utility model proposes a high barrier degradable paper-plastic composite paper bag Figure 2 A schematic diagram of the enlarged structure at point A;

[0017] Figure 4 This is a schematic diagram of the structure of a moisture-proof device for a high-barrier biodegradable paper-plastic composite paper bag proposed in the utility model;

[0018] Figure 5 The utility model provides a schematic diagram of the supporting component structure of a high-barrier biodegradable paper-plastic composite paper bag.

[0019] Legend: 1. Bag; 2. Bag opening; 3. Moisture-proof device; 31. Rod body; 32. Arc rod; 33. First adhesive tape; 34. Sliding sleeve; 35. Second adhesive tape; 36. Support rod; 4. Support assembly; 41. Main rod; 42. Leg; 43. Third adhesive tape; 44. Bent rod. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a high-barrier biodegradable paper-plastic composite paper bag, comprising a bag 1 and a moisture-proof device 3, a bag opening 2 is arranged on the surface of the bag 1, and the moisture-proof device 3 is arranged on the lower surface of the bag 1.

[0021] The specific settings and functions of the moisture-proof device 3 and the supporting assembly 4 are described in detail below.

[0022] In this embodiment: the moisture-proof device 3 includes a sliding sleeve 34, the sliding sleeve 34 is fixedly connected to the bag 1, a rod body 31 is provided on the lower surface of the sliding sleeve 34, an arc rod 32 is fixedly connected to the lower surface of the rod body 31, and a support rod 36 is fixedly connected to one side of the arc rod 32. By providing the moisture-proof device 3, it is convenient to moisture-proof the bottom of the bag 1, thereby increasing the stability of the equipment and reducing the possibility of the bag 1 breaking.

[0023] Specifically, a first adhesive tape 33 is bonded to one side of the bag 1 close to the rod body 31 , and the first adhesive tape 33 is bonded to the rod body 31 . By providing the first adhesive tape 33 , the rod body 31 is easily fixed, the stability of the device is increased, the difficulty of operating the device is reduced, and the use is convenient.

[0024] Specifically, the second adhesive tape 35 is bonded to one side of the bag 1 close to the first adhesive tape 33 , and the second adhesive tape 35 is bonded to the rod body 31 .

[0025] In this embodiment, the second adhesive tape 35 is provided to facilitate the fixing of the rod body 31 in cooperation with the first adhesive tape 33, thereby increasing the stability of the device and reducing the difficulty of operating the device.

[0026] Specifically, there are two rod bodies 31, and the two rod bodies 31 are arranged in mirror symmetry. By setting the rod bodies 31, when in use, the rod bodies 31 are convenient for lifting the bag 1, which increases the stability of the equipment, reduces the difficulty of operating the equipment, facilitates use, and improves the stability of the equipment.

[0027] Specifically, a support assembly 4 is provided on one side of the rod body 31 , and the support assembly 4 includes a bent rod 44 , which is fixedly connected to the rod body 31 , and a side of the bent rod 44 away from the rod body 31 is fixedly connected to the main rod 41 , and a support leg 42 is fixedly connected to the surface of the main rod 41 .

[0028] In this embodiment: by providing the support assembly 4, it is convenient to support the bag 1, thereby reducing the possibility of the bag 1 tipping over, increasing the stability of the device, and facilitating use.

[0029] Specifically, there are three legs 42, and the three legs 42 are arranged in a mirror-symmetrical manner. By arranging the legs 42, it is convenient to support the bag 1 of the equipment, thereby increasing the stability of the equipment, reducing the difficulty of operating the equipment, and facilitating material collection.

[0030] Specifically, the supporting legs 42 are arranged in an arc shape, there are two curved rods 44, and the two curved rods 44 are arranged in a mirror-symmetrical manner. A third adhesive tape 43 is bonded to one side of the main rod 41, and the third adhesive tape 43 is bonded to the bag 1.

[0031] In this embodiment, by providing the bent rod 44, it is convenient to position the main rod 41, thereby increasing the stability of the device, facilitating the use, and reducing the difficulty of operating the device.

[0032] Working principle: by setting the moisture-proof device 3 and the support component 4, when in use, the bag 1 is placed on the ground, the rod body 31 and the support rod 36 support the bag 1, and the bag 1 is lifted. At this time, the bag 1 is not in contact with the ground, and it is difficult for water stains to soak the bag 1. At the same time, the support component 4 and the support legs 42 are against the ground, which is convenient for supporting the bag 1 and reducing the tipping of the bag 1, which is convenient for users to take or unload materials. By setting the utility model, it is convenient to perform moisture-proof treatment on the bottom of the paper bag, which increases the safety of the equipment, reduces the bag 1 from being damp, affects the drying of the material, and reduces the situation where the paper bag is damp and causes the paper bag to rupture. At the same time, it is convenient to support the bag 1, reduce the situation when it is placed, and the bag 1 is easy to operate when taking or unloading materials, and the material is spilled, which is convenient for use.

Claims

1. A high-barrier biodegradable paper-plastic composite bag, comprising a bag (1) and a moisture-proof device (3), characterized in that: The surface of the bag (1) is provided with a bag opening (2), the moisture-proof device (3) is provided on the lower surface of the bag (1), the moisture-proof device (3) comprises a sliding sleeve (34), the sliding sleeve (34) is fixedly connected to the bag (1), a rod body (31) is provided on the lower surface of the sliding sleeve (34), an arc-shaped rod (32) is fixedly connected to the lower surface of the rod body (31), and a support rod (36) is fixedly connected to one side of the arc-shaped rod (32).

2. The high barrier biodegradable paper-plastic composite paper bag according to claim 1, characterized in that: A first adhesive tape (33) is bonded to one side of the bag (1) close to the rod body (31), and the first adhesive tape (33) is bonded to the rod body (31).

3. The high barrier biodegradable paper-plastic composite paper bag according to claim 1, characterized in that: A second adhesive tape (35) is bonded to one side of the bag (1) close to the first adhesive tape (33), and the second adhesive tape (35) is bonded to the rod body (31).

4. The high barrier biodegradable paper-plastic composite paper bag according to claim 1, characterized in that: There are two rod bodies (31), and the two rod bodies (31) are arranged in a mirror-symmetrical manner.

5. The high barrier biodegradable paper-plastic composite paper bag according to claim 1, characterized in that: A support assembly (4) is provided on one side of the rod body (31), the support assembly (4) comprising a bent rod (44), the bent rod (44) being fixedly connected to the rod body (31), the side of the bent rod (44) away from the rod body (31) being fixedly connected to a main rod (41), and a support leg (42) being fixedly connected to a surface of the main rod (41).

6. The high barrier biodegradable paper-plastic composite paper bag according to claim 5, characterized in that: There are three supporting legs (42), and the three supporting legs (42) are arranged in a mirror-symmetrical manner.

7. The high barrier biodegradable paper-plastic composite paper bag according to claim 5, characterized in that: The supporting legs (42) are arranged in an arc shape, there are two curved rods (44), and the two curved rods (44) are arranged in a mirror-symmetrical manner. A third adhesive tape (43) is bonded to one side of the main rod (41), and the third adhesive tape (43) is bonded to the bag (1).