Kraft paper bag with moisture-proof function

Abstract

The kraft paper bag with the moisture-proof function comprises a base layer, a first protection assembly is arranged at one end of the base layer, and the bottom of a kraft paper bag can be protected for many times in the using process of the kraft paper bag through mutual matching of the first protection assembly and a second protection assembly. According to the kraft paper bag, the strength of the kraft paper bag during object bearing and placing can be greatly improved, the using effect of the kraft paper bag can be better guaranteed, meanwhile, the kraft paper bag can be subjected to multiple times of damp-proof and waterproof treatment, moisture permeation is effectively prevented, and the situation that paper bag materials become soft, deform or mildew due to the humid environment is avoided; the service life of the kraft paper bag is prolonged, it is guaranteed that the kraft paper bag can keep excellent performance and appearance quality in various complex environments, and more reliable and lasting use experience is provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of paper bags, in particular to a kraft paper bag with moisture-proof function. Background Art

[0002] Kraft paper bags are made of high-quality cowhide and are made with fine handcrafting technology. This type of bag is often used to transport and store various items. Kraft paper bags are non-toxic, odorless, and pollution-free. They meet national environmental protection standards, have high strength and high environmental protection, and are one of the most popular environmentally friendly packaging materials in the world.

[0003] A multi-layer kraft paper bag with moisture-proof function disclosed in Chinese patent publication number CN220765204U solves the problem that items with liquids placed in the paper bag will not soak the bottom of the bag and cause the items to fall out, and the paper bag can be carried by hand or on the shoulder at any time.

[0004] However, the above patent has certain deficiencies in actual use. Although it can prevent the bottom of the paper bag from being wet and causing items to fall out, and the paper bag can be carried or shouldered at any time, only the bottom of the paper bag is treated with moisture-proofing, and the entire paper bag is not treated with moisture-proofing, resulting in poor moisture-proofing effect. At the same time, the bottom bearing strength of the kraft paper bag is poor during use, which makes the kraft paper bag less durable.

[0005] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0006] In view of the problems in the related art, the present invention proposes a kraft paper bag with moisture-proof function to overcome the above technical problems existing in the existing related art.

[0007] To this end, the specific technical solutions adopted in this utility model are as follows:

[0008] A kraft paper bag with moisture-proof function includes a base layer, a first protective component is provided at one end of the base layer, and a portion of the first protective component is provided on the base layer, a second protective component is provided on the first protective component, the first protective component includes a first reinforcement layer, the first reinforcement layer is provided at one end of the base layer, and second reinforcement layers are provided at both ends of the first reinforcement layer.

[0009] Furthermore, in order to better ensure the use strength and placement strength of the kraft paper bag and avoid the poor load-bearing and placement effect of the bottom of the kraft paper bag, the second reinforcement layer is arranged to contact the inside and outside of the base layer, and a third reinforcement layer is arranged between the second reinforcement layers, and the third reinforcement layer is adapted to the second reinforcement layer.

[0010] Furthermore, in order to better ensure the bottom bearing strength of the kraft paper bag, the first reinforcement layer is composed of a horizontal bar and a vertical bar, and the horizontal bar is cross-connected with the vertical bar, and one end of the horizontal bar and the vertical bar is connected to the base layer.

[0011] Furthermore, in order to better ensure the first moisture-proof and waterproof effect of the kraft paper bag, the second protective component includes a first moisture-proof layer, which is arranged on the periphery of the second reinforcement layer, and the first moisture-proof layer is in contact with the second reinforcement layer.

[0012] Furthermore, in order to better ensure the multiple moisture-proof adsorption effect of the kraft paper bag, a first adsorption composite layer is arranged inside the first moisture-proof layer, a second moisture-proof layer is arranged between the first moisture-proof layers, and a second adsorption composite layer is arranged inside the second moisture-proof layer, and the second adsorption composite layer is adapted to the second moisture-proof layer.

[0013] Furthermore, in order to better ensure the connection effect between the moisture-proof layers and better ensure the moisture-proof and waterproof effect of the kraft paper bag, a first connection interface and a second connection interface are provided on one side of the first moisture-proof layer and the second moisture-proof layer, and the second connection interface is adapted to the first connection interface, and a plurality of handles are provided on one side of the first moisture-proof layer.

[0014] Furthermore, in order to better ensure the overall moisture-proof and waterproof effect of the kraft paper bag, the handle is composed of a reinforced composite layer and a protective coating. The protective coating is arranged on the periphery of the reinforced composite layer, and the protective coating is in contact with one side of the first moisture-proof layer.

[0015] The beneficial effects of the present invention are as follows: by arranging the first protection component and the second protection component to cooperate with each other, the bottom of the kraft paper bag can be protected multiple times during the use of the kraft paper bag, thereby greatly improving its strength when carrying and placing items, and thus better ensuring the use effect of the kraft paper bag. At the same time, the kraft paper bag can be subjected to multiple moisture-proof and waterproof treatments to effectively prevent moisture penetration, avoid the softening, deformation or mildew of the paper bag material due to the humid environment, and thus affect its overall structural stability and use effect. This all-round protection measure for the kraft paper bag not only extends the service life of the kraft paper bag, but also ensures that it can maintain excellent performance and appearance quality in various complex environments, providing users with a more reliable and lasting use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the first protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the first protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 2 ;

[0021] Figure 5 This is a schematic diagram of the first protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 3 ;

[0022] Figure 6 This is a schematic diagram of the second protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 1 ;

[0023] Figure 7 This is a schematic diagram of the second protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 2 ;

[0024] Figure 8 This is a schematic diagram of the second protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 3 ;

[0025] Figure 9 This is a schematic diagram of the second protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 4 ;

[0026] Figure 10 This is a schematic diagram of the second protective component structure of a kraft paper bag with moisture-proof function according to an embodiment of the utility model. Figure 5;

[0027] Figure 11 The present invention is a schematic diagram of a handle structure of a kraft paper bag with moisture-proof function according to an embodiment of the present invention.

[0028] In the picture:

[0029] 1. Base layer; 2. First protective component; 201. First reinforcement layer; 202. Second reinforcement layer; 203. Third reinforcement layer; 3. Second protective component; 301. First moisture-proof layer; 302. First adsorption composite layer; 303. Second moisture-proof layer; 304. Second adsorption composite layer; 305. First connection interface; 306. Second connection interface; 4. Horizontal bar; 5. Vertical bar; 6. Handle; 7. Reinforcement composite layer; 8. Protective coating. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] According to an embodiment of the present utility model, a kraft paper bag with moisture-proof function is provided.

[0032] Embodiment 1;

[0033] like Figures 1-11 As shown, a kraft paper bag with moisture-proof function according to an embodiment of the present invention includes a base layer 1, which is made of kraft paper. A first protective component 2 is provided at one end of the base layer 1 for protecting the bottom of the kraft paper, and part of the first protective component 2 is provided on the base layer 1. A second protective component 3 is provided on the first protective component 2 for moisture-proofing the entire kraft paper.

[0034] Embodiment 2:

[0035] like Figures 1-11 As shown, according to an embodiment of the present invention, a kraft paper bag with moisture-proof function, the first protective component 2 includes a first reinforcement layer 201, the first reinforcement layer 201 is arranged at one end of the base layer 1, and second reinforcement layers 202 are arranged at both ends of the first reinforcement layer 201, the second reinforcement layers 202 are arranged inside and in contact with the outside of the base layer 1, and a third reinforcement layer 203 is arranged between the second reinforcement layers 202, and the third reinforcement layer 203 is set to a fiber cloth material, and the third reinforcement layer 203 is adapted to the second reinforcement layer 202;

[0036] The first reinforcement layer 201 is composed of a horizontal bar 4 and a vertical bar 5, and the horizontal bar 4 and the vertical bar 5 are cross-connected. One end of the horizontal bar 4 and the vertical bar 5 is connected to the base layer 1. The horizontal bar 4 and the vertical bar 5 are composed of a composite of corrugated paper, kraft paper and cardboard.

[0037] In actual application, the base layer 1, the first reinforcement layer 201, the second reinforcement layer 202, and the third reinforcement layer 203 cooperate with each other to provide multiple protections to the bottom of the kraft paper bag during its use, thereby greatly improving its strength when carrying and placing items, and thus better ensuring the use effect of the kraft paper bag.

[0038] Embodiment 3;

[0039] like Figures 1-11 As shown, according to an embodiment of the present invention, a kraft paper bag with a moisture-proof function, the second protective component 3 includes a first moisture-proof layer 301, the first moisture-proof layer 301 is composed of a nano coating, the first moisture-proof layer 301 is arranged on the periphery of the second reinforcement layer 202, and the first moisture-proof layer 301 is in contact with the second reinforcement layer 202, a first adsorption composite layer 302 is arranged inside the first moisture-proof layer 301, a second moisture-proof layer 303 is arranged between the first moisture-proof layer 301, the second moisture-proof layer 303 is composed of a polylactic acid film, a second adsorption composite layer 304 is arranged inside the second moisture-proof layer 303, and the second adsorption composite layer 304 is adapted to the second moisture-proof layer 303;

[0040] The first adsorption composite layer 302 and the second adsorption composite layer 304 are composed of molecular sieve desiccant and nano aerogel particles;

[0041] A first connection interface 305 and a second connection interface 306 are provided on one side of the first moisture-proof layer 301 and the second moisture-proof layer 303. The second connection interface 306 and the first connection interface 305 are configured as a sawtooth structure, and the second connection interface 306 is adapted to the first connection interface 305. A plurality of handles 6 are provided on one side of the first moisture-proof layer 301.

[0042] The handle 6 is composed of a reinforced composite layer 7 and a protective coating 8. The protective coating 8 is disposed on the periphery of the reinforced composite layer 7 and contacts one side of the first moisture-proof layer 301.

[0043] The reinforced composite layer 7 is made of white cardboard and corrugated paper;

[0044] The protective coating 8 is made of PET.

[0045] In actual application, the first moisture-proof layer 301, the first adsorption composite layer 302, the second moisture-proof layer 303, and the second adsorption composite layer 304 cooperate with each other to perform multiple moisture-proof and waterproof treatments on the kraft paper bag, effectively preventing moisture penetration, and avoiding the softening, deformation or mold of the paper bag material due to the humid environment, thereby affecting its overall structural stability and use effect. This all-round protection measure for the kraft paper bag not only extends the service life of the kraft paper bag, but also ensures that it can maintain excellent performance and appearance quality in various complex environments, providing users with a more reliable and lasting use experience. By setting the first connection interface 305 and the second connection interface 306, the first moisture-proof layer 301 and the second moisture-proof layer 303 can be better connected, thereby ensuring the protection effect. At the same time, by setting the reinforcing composite layer 7 and the protective coating 8, the handle 6 can be moisture-proof and waterproof, thereby better ensuring the use effect of the kraft paper bag.

[0046] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process is described in detail below.

[0047] In summary, with the help of the above technical solution of the present invention, the base layer 1, the first reinforcement layer 201, the second reinforcement layer 202, and the third reinforcement layer 203 cooperate with each other, so that the bottom of the kraft paper bag can be protected multiple times during the use of the kraft paper bag, thereby greatly improving its strength when carrying and placing items, and thus better ensuring the use effect of the kraft paper bag. The first moisture-proof layer 301, the first adsorption composite layer 302, the second moisture-proof layer 303, and the second adsorption composite layer 304 cooperate with each other, and the kraft paper bag can be subjected to multiple moisture-proof and waterproof treatments, effectively preventing moisture penetration and avoiding the softening and deformation of the paper bag material due to the humid environment. Or moldy, thereby affecting its overall structural stability and use effect. This all-round protection measure for kraft paper bags not only extends the service life of kraft paper bags, but also ensures that they can maintain excellent performance and appearance quality in various complex environments, providing users with a more reliable and lasting use experience. By setting the first connection interface 305 and the second connection interface 306, it can better ensure that the first moisture-proof layer 301 and the second moisture-proof layer 303 are better connected, thereby ensuring the protection effect. At the same time, by setting the reinforced composite layer 7 and the protective coating 8, the handle 6 can be moisture-proof and waterproof, thereby better ensuring the use effect of the kraft paper bag.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A kraft paper bag with moisture-proof function, characterized in that: It comprises a base layer (1), a first protective component (2) is provided at one end of the base layer (1), a portion of the first protective component (2) is provided on the base layer (1), and a second protective component (3) is provided on the first protective component (2); The first protective component (2) comprises a first reinforcement layer (201), the first reinforcement layer (201) being arranged at one end of the base layer (1), and second reinforcement layers (202) being arranged at both ends of the first reinforcement layer (201).

2. The kraft paper bag with moisture-proof function according to claim 1, characterized in that: The second reinforcement layer (202) is arranged inside and in contact with the outside of the base layer (1); a third reinforcement layer (203) is arranged between the second reinforcement layers (202), and the third reinforcement layer (203) is adapted to the second reinforcement layer (202).

3. The kraft paper bag with moisture-proof function according to claim 2, characterized in that: The first reinforcement layer (201) is composed of a horizontal bar (4) and a vertical bar (5), and the horizontal bar (4) and the vertical bar (5) are cross-connected and arranged, and one end of the horizontal bar (4) and the vertical bar (5) are connected to the base layer (1).

4. The kraft paper bag with moisture-proof function according to claim 3, characterized in that: The second protective component (3) comprises a first moisture-proof layer (301), wherein the first moisture-proof layer (301) is arranged on the periphery of the second reinforcement layer (202), and the first moisture-proof layer (301) is in contact with the second reinforcement layer (202).

5. The kraft paper bag with moisture-proof function according to claim 4, characterized in that: A first adsorption composite layer (302) is provided inside the first moisture-proof layer (301), a second moisture-proof layer (303) is provided between the first moisture-proof layers (301), a second adsorption composite layer (304) is provided inside the second moisture-proof layer (303), and the second adsorption composite layer (304) is adapted to the second moisture-proof layer (303).

6. The moisture-proof kraft paper bag according to claim 5, characterized in that: A first connection interface (305) and a second connection interface (306) are provided on one side of the first moisture-proof layer (301) and the second moisture-proof layer (303), and the second connection interface (306) is adapted to the first connection interface (305). A plurality of handles (6) are provided on one side of the first moisture-proof layer (301).

7. The kraft paper bag with moisture-proof function according to claim 6, characterized in that: The handle (6) comprises a reinforcing composite layer (7) and a protective coating (8), wherein the protective coating (8) is arranged on the periphery of the reinforcing composite layer (7), and the protective coating (8) is in contact with one side of the first moisture-proof layer (301).

Images