High-strength anti-cracking environment-friendly paper bag
Through the multi-layer structural design and the combination of specific materials, the environmentally friendly paper bags have been solved, and the high-strength, waterproof and scratch-proof effects are achieved, and the service life of the paper bags is extended.
Patent Information
- Application Number
- CN202422849156.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-11-22
AI Technical Summary
The existing environmentally friendly paper bags have low structure strength, are prone to cracking, have poor waterproof and wear resistance, and have short service life.
It adopts a multi-layer structural design, including kraft paper layer, external reinforcement layer, external waterproof layer, external scratch-proof layer, internal reinforcement layer, internal waterproof layer and internal scratch-proof layer, respectively, to enhance the overall strength and waterproof performance of the paper bag, and to improve wear resistance and environmental protection characteristics through specific materials.
Improves the overall strength and durability of the paper bag, extends service life, while maintaining environmentally friendly properties to prevent cracking and scratch damage.
Smart Images

Figure CN223238433U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of paper bags, and in particular relates to a high-strength, crack-resistant, environment-friendly paper bag. Background Art
[0002] Paper bags are primarily made of paper or cardboard, which may undergo special processing, such as coating, embossing, and printing, to enhance their aesthetics, durability, and functionality. Common paper bag materials include kraft paper, white cardboard, and coated paper, each with its own unique strength, toughness, and printability.
[0003] However, the existing environmentally friendly paper bags have low structural strength and are prone to cracking during high-load use. In addition, the existing environmentally friendly paper bags have poor waterproof and wear resistance and a short service life. Utility Model Content
[0004] The utility model provides a high-strength, crack-resistant, environment-friendly paper bag, aiming to solve the problems of the existing environment-friendly paper bags mentioned in the above background technology, such as low structural strength, easy cracking, poor waterproof and wear resistance, and short service life.
[0005] To solve the above problems, the utility model is implemented as follows: a high-strength, crack-resistant, environmentally friendly paper bag, comprising: a paper bag body, the paper bag body comprising a kraft paper layer, an outer reinforcement layer, an outer waterproof layer, an outer anti-scratch layer, an inner reinforcement layer, an inner waterproof layer and an inner anti-scratch layer, the outer reinforcement layer is arranged on the kraft paper layer, the outer waterproof layer is arranged on the outer reinforcement layer, the outer anti-scratch layer is arranged on the outer waterproof layer, the inner reinforcement layer is arranged on the kraft paper layer, the inner waterproof layer is arranged on the inner reinforcement layer, and the inner anti-scratch layer is arranged on the inner waterproof layer.
[0006] Preferably, a positioning net bag is fixedly mounted on the bottom inner wall of the paper bag body, and a bagged desiccant is provided on the bottom inner wall of the paper bag body, and the bagged desiccant is provided at a position corresponding to the positioning net bag.
[0007] Preferably, the paper bag body is provided with an edging, and the edging is made of artificial leather.
[0008] Preferably, a shielding cover is provided on the paper bag body, and a plurality of first connecting buckles are provided on the shielding cover, and the plurality of first connecting buckles are all fixedly connected to the paper bag body.
[0009] Preferably, the shielding cover is provided with a plurality of movable connecting sub-buckles, and the paper bag body is provided with a plurality of movable connecting female buckles, and the plurality of movable connecting female buckles are respectively adapted to the plurality of movable connecting sub-buckles.
[0010] Preferably, a handle is provided on the paper bag body, and a plurality of second connecting buckles are provided on the handle, and the plurality of second connecting buckles are fixedly connected to the paper bag body, and a woven sleeve is provided on the fixed sleeve of the handle.
[0011] Preferably, the shielding cover is made of kraft paper, the outer reinforcement layer and the inner reinforcement layer are both made of aluminum silicate ceramic fiber paper, the outer waterproof layer and the inner waterproof layer are both made of waterproof membrane, and the outer anti-scratch layer and the inner anti-scratch layer are both made of polyester film.
[0012] Compared with the related art, the high-strength, crack-resistant, environmentally friendly paper bag provided by the present invention has the following beneficial effects:
[0013] Compared with the existing technology, the high-strength, crack-resistant, environmentally friendly paper bag provided by this solution includes a paper bag body, which is composed of a multi-layer structure, specifically a kraft paper layer as a base layer to provide the basic strength and toughness of the paper bag; an external reinforcement layer is arranged on the kraft paper layer to enhance the external structural strength of the paper bag and prevent the paper bag from being damaged by external forces; an external waterproof layer is covered on the external reinforcement layer to effectively prevent water penetration and protect the items inside the paper bag from moisture; an external anti-scratch layer is arranged on the external waterproof layer to increase the wear resistance of the paper bag surface and prevent scratch damage; an internal reinforcement layer is provided on the external waterproof layer to increase the wear resistance of the paper bag surface and prevent scratch damage; The outer layer is also arranged on the kraft paper layer, but its relative position to the outer reinforcement layer may be different. It is used to strengthen the internal support of the paper bag and maintain a stable shape; the inner waterproof layer is located above the inner reinforcement layer to ensure that the inside of the paper bag is dry and prevent the internal items from being damaged by moisture; the inner anti-scratch layer is arranged on the inner waterproof layer to protect the inside of the paper bag from being scratched by sharp objects. This structural design not only improves the overall strength and durability of the paper bag, but also has the environmentally friendly characteristics of waterproof and scratch-resistant. The beneficial effect is that it extends the service life of the paper bag while maintaining its environmentally friendly attributes as a packaging material. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a three-dimensional structural diagram of a high-strength, crack-resistant, environmentally friendly paper bag provided by the utility model;
[0015] Figure 2 for Figure 1 A schematic diagram of the side appearance structure;
[0016] Figure 3 for Figure 1 A schematic side cross-sectional structural diagram of ;
[0017] Figure 4 for Figure 1 Schematic diagram of the cross-section structure of the paper bag body;
[0018] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of part A shown in FIG.
[0019] Figure numerals: 1. Paper bag body; 2. Kraft paper layer; 3. External reinforcement layer; 4. External waterproof layer; 5. External anti-scratch layer; 6. Internal reinforcement layer; 7. Internal waterproof layer; 8. Internal anti-scratch layer; 9. Positioning net bag; 10. Bag of desiccant; 11. Edge binding; 12. Shielding cover; 13. First connecting buckle; 14. Movable connecting sub-buckle; 15. Movable connecting mother buckle; 16. Handle; 17. Second connecting buckle; 18. Braided sleeve. DETAILED DESCRIPTION
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the description of the above-mentioned drawings, as well as any variations thereof, are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.
[0021] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0022] The present invention provides a high-strength, crack-resistant, environmentally friendly paper bag. Figure 1-5 As shown, the high-strength, crack-resistant, environmentally friendly paper bag includes: a paper bag body 1, the paper bag body 1 includes a kraft paper layer 2, an outer reinforcement layer 3, an outer waterproof layer 4, an outer anti-scratch layer 5, an inner reinforcement layer 6, an inner waterproof layer 7 and an inner anti-scratch layer 8, the outer reinforcement layer 3 is arranged on the kraft paper layer 2, the outer waterproof layer 4 is arranged on the outer reinforcement layer 3, the outer anti-scratch layer 5 is arranged on the outer waterproof layer 4, the inner reinforcement layer 6 is arranged on the kraft paper layer 2, the inner waterproof layer 7 is arranged on the inner reinforcement layer 6, and the inner anti-scratch layer 8 is arranged on the inner waterproof layer 7.
[0023] In this embodiment, the paper bag body 1 is composed of a multi-layer structure, specifically a kraft paper layer 2 as a base layer, which provides the basic strength and toughness of the paper bag; an outer reinforcement layer 3 is arranged on the kraft paper layer 2 to enhance the external structural strength of the paper bag and prevent the paper bag from being damaged due to external forces; an outer waterproof layer 4 is covered on the outer reinforcement layer 3 to effectively prevent water penetration and protect the items inside the paper bag from moisture; an outer anti-scratch layer 5 is arranged on the outer waterproof layer 4 to increase the wear resistance of the paper bag surface and prevent scratch damage; an inner reinforcement layer 6 is also arranged on the kraft paper layer 2 to enhance the external structural strength of the paper bag and prevent the paper bag from being damaged due to external forces; an outer waterproof layer 4 is covered on the outer reinforcement layer 3 to effectively prevent water penetration and protect the items inside the paper bag from being damp ... The inner waterproof layer 7 is located above the inner reinforcement layer 6, but its relative position to the outer reinforcement layer 3 may be different, and it is used to strengthen the internal support of the paper bag and maintain a stable shape; the inner waterproof layer 7 is located above the inner reinforcement layer 6 to ensure that the inside of the paper bag is dry and prevent the internal items from being damaged by moisture; the inner anti-scratch layer 8 is arranged above the inner waterproof layer 7 to protect the inside of the paper bag from being scratched by sharp objects. This structural design not only improves the overall strength and durability of the paper bag, but also has the environmentally friendly characteristics of being waterproof and scratch-resistant. The beneficial effect is that it extends the service life of the paper bag while maintaining its environmentally friendly attributes as a packaging material.
[0024] In a further preferred embodiment of the present invention, a positioning net bag 9 is fixedly installed on the bottom inner wall of the paper bag body 1, and a bagged desiccant 10 is provided on the bottom inner wall of the paper bag body 1, and the setting position of the bagged desiccant 10 corresponds to the positioning net bag 9.
[0025] In this embodiment, the bagged desiccant 10 can be positioned by the positioning net bag 9, and the bagged desiccant 10 can dry the items placed in the paper bag body 1, thereby preventing the items placed in the paper bag body 1 from getting damp.
[0026] In a further preferred embodiment of the present invention, the paper bag body 1 is provided with a edging 11 , and the edging 11 is made of artificial leather.
[0027] In this embodiment, the edge of the paper bag body 1 can be protected by the hemming 11, thereby preventing the paper bag body 1 from being torn from the edge.
[0028] In a further preferred embodiment of the present invention, a shielding cover 12 is provided on the paper bag body 1 , and a plurality of first connecting buckles 13 are provided on the shielding cover 12 , and the plurality of first connecting buckles 13 are all fixedly connected to the paper bag body 1 .
[0029] In this embodiment, the top of the paper bag body 1 can be shielded by the shielding cover 12 , and the shielding cover 12 can be fixed to the paper bag body 1 by a plurality of first connecting buckles 13 .
[0030] In a further preferred embodiment of the present invention, a plurality of movable connecting buckles 14 are provided on the shielding cover 12, and a plurality of movable connecting female buckles 15 are provided on the paper bag body 1, and the plurality of movable connecting female buckles 15 are respectively adapted to the plurality of movable connecting buckles 14.
[0031] In this embodiment, the shielding cover 12 can be opened or closed by a plurality of movable connecting sub-buttons 14 and a plurality of movable connecting female buckles 15 .
[0032] In a further preferred embodiment of the present invention, a handle 16 is provided on the paper bag body 1, and a plurality of second connecting buckles 17 are provided on the handle 16. The plurality of second connecting buckles 17 are fixedly connected to the paper bag body 1, and a woven sleeve 18 is fixedly provided on the handle 16.
[0033] In this embodiment, the handle 16 can make the paper bag more convenient to carry, the woven sleeve 18 can improve the comfort of the user holding the handle 16, and the handle 16 can be fixed to the paper bag body 1 through multiple second connecting buckles 17.
[0034] In a further preferred embodiment of the present invention, the shielding cover 12 is made of kraft paper, the outer reinforcement layer 3 and the inner reinforcement layer 6 are both made of aluminum silicate ceramic fiber paper, the outer waterproof layer 4 and the inner waterproof layer 7 are both made of waterproof membrane material, and the outer anti-scratch layer 5 and the inner anti-scratch layer 8 are both made of polyester film material.
[0035] In this embodiment, the top of the paper bag body 1 can be shielded by using a shielding cover 12 made of kraft paper, and the strength of the paper bag can be improved by using an outer reinforcement layer 3 and an inner reinforcement layer 6 made of aluminum silicate ceramic fiber paper, thereby reducing the possibility of cracking during high-intensity use. The waterproof performance of the paper bag can be improved by using an outer waterproof layer 4 and an inner waterproof layer 7 made of a waterproof membrane material, and the anti-scratch performance of the paper bag can be improved by using an outer anti-scratch layer 5 and an inner anti-scratch layer 8 made of a polyester film material, thereby increasing the service life of the paper bag.
[0036] In summary, compared with related technologies, this environmentally friendly paper bag has a higher structural strength, is not prone to cracking during high-load use, has strong waterproof and wear-resistant properties, has a longer service life, and is more convenient to carry.
[0037] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.
[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.
Claims
1. A high-strength, crack-resistant, environmentally friendly paper bag, characterized in that: include: The paper bag body comprises a kraft paper layer, an outer reinforcement layer, an outer waterproof layer, an outer anti-scratch layer, an inner reinforcement layer, an inner waterproof layer and an inner anti-scratch layer, wherein the outer reinforcement layer is arranged on the kraft paper layer, the outer waterproof layer is arranged on the outer reinforcement layer, the outer anti-scratch layer is arranged on the outer waterproof layer, the inner reinforcement layer is arranged on the kraft paper layer, the inner waterproof layer is arranged on the inner reinforcement layer, and the inner anti-scratch layer is arranged on the inner waterproof layer.
2. The high-strength, crack-resistant, environmentally friendly paper bag according to claim 1, characterized in that: A positioning net bag is fixedly installed on the bottom inner wall of the paper bag body, and a bagged desiccant is arranged on the bottom inner wall of the paper bag body. The arrangement position of the bagged desiccant corresponds to the positioning net bag.
3. The high-strength, crack-resistant, environmentally friendly paper bag according to claim 1, characterized in that: The paper bag body is provided with an edge, and the edge is made of artificial leather.
4. The high-strength, crack-resistant, environmentally friendly paper bag according to claim 1, characterized in that: The paper bag body is provided with a shielding cover, and the shielding cover is provided with a plurality of first connecting buckles, and the plurality of first connecting buckles are all fixedly connected to the paper bag body.
5. The high-strength, crack-resistant, environmentally friendly paper bag according to claim 4, characterized in that: The shielding cover is provided with a plurality of movable connecting sub-buckles, and the paper bag body is provided with a plurality of movable connecting female buckles, and the plurality of movable connecting female buckles are respectively adapted to the plurality of movable connecting sub-buckles.
6. The high-strength, crack-resistant, environmentally friendly paper bag according to claim 1, characterized in that: The paper bag body is provided with a handle, and the handle is provided with a plurality of second connecting buckles, and the plurality of second connecting buckles are fixedly connected to the paper bag body. The handle is fixedly covered with a woven sleeve.
7. The high-strength, crack-resistant, environmentally friendly paper bag according to claim 4, characterized in that: The shielding cover is made of kraft paper, the outer reinforcement layer and the inner reinforcement layer are both made of aluminum silicate ceramic fiber paper, the outer waterproof layer and the inner waterproof layer are both made of waterproof membrane, and the outer anti-scratch layer and the inner anti-scratch layer are both made of polyester film.