Paperboard structure of high-strength tear-resistant corrugated carton

Abstract

The paperboard structure comprises surface paper, glass fiber gridding cloth, corrugated paper and inner paper, the glass fiber gridding cloth is fixedly connected to the outer side of the corrugated paper through colloid, the surface paper penetrates through through holes of the glass fiber gridding cloth, and the inner paper is fixedly connected to the outer side of the corrugated paper through colloid. The surface of the surface paper is bonded with the glass fiber gridding cloth through the colloid, and the inner paper is fixedly connected to the inner side of the corrugated paper through the colloid. According to the invention, the fiberglass mesh is introduced between the corrugated paper and the surface paper, so that the overall strength of the paperboard is improved and the tear resistance of the surface paper is enhanced by utilizing the net-shaped structure characteristic of the fiberglass mesh, and when the surface paper is locally damaged, the fiberglass mesh can also effectively prevent a crack from further expanding; the gridding cloth is added, so that the strength of the paperboard after being affected with damp can play a good role in supporting the whole paperboard, the technical problems that a traditional corrugated paperboard is poor in tear resistance and the damp strength is easy to attenuate are solved, and the corrugated paperboard is suitable for various packaging scenes of industrial products, heavy goods and the like.

Description

Technical Field

[0001] This invention relates to the field of packaging carton structure technology, specifically to a cardboard structure for a high-strength tear-resistant corrugated carton. Background Technology

[0002] Corrugated paper, also known as corrugated board, is made by bonding at least one layer of corrugated paper and one layer of linerboard (also called boxboard). It has good elasticity and extensibility. It is mainly used to manufacture cartons, carton fillings, and other packaging materials for fragile goods. It is primarily made from traditional methods of pulping straw pulp and waste paper to create a base paperboard similar to cardboard. This base paperboard is then mechanically rolled into a corrugated shape, and finally bonded to the linerboard using adhesives such as sodium silicate.

[0003] Existing corrugated cardboard boxes still have defects in actual use. The face paper of corrugated cardboard boxes is often a thick layer of kraft paper, which has limited strength and is prone to tearing. Moreover, during transportation, the tear will gradually increase, leading to the destruction of the entire box and rendering it unusable. In addition, the strength of the face paper of existing corrugated cardboard boxes will be greatly reduced after it gets damp. Summary of the Invention

[0004] The purpose of this invention is to provide a high-strength, tear-resistant corrugated cardboard structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cardboard structure for a high-strength tear-resistant corrugated cardboard box, comprising: corrugated paper, mesh fabric, face paper, and liner paper. The corrugated paper is the main body of the corrugated cardboard box board. The mesh fabric is a glass fiber mesh fabric, which is fixed to the outside of the corrugated paper by an adhesive. The face paper is fixed to the surface of the mesh fabric by an adhesive, and the face paper passes through the through-holes of the mesh fabric and is fixed to the corrugated paper by the adhesive. The liner paper is fixed to the inside of the corrugated paper by an adhesive.

[0006] Furthermore, the corrugated paper has at least one layer, and a core paper is provided between the multiple layers of corrugated paper. The core paper is fixed to the corrugated paper on both sides by an adhesive.

[0007] Compared with the prior art, the beneficial effects of the present invention are as follows: The high-strength tear-resistant corrugated cardboard structure of the present invention improves the existing corrugated cardboard structure by introducing a mesh cloth made of glass fiber, which is placed between the corrugated paper and the face paper. This structure utilizes its mesh structure characteristics to not only increase the overall strength of the cardboard by more than 35%, but also significantly enhance the tear resistance of the face paper. Even if the face paper is partially damaged, the glass fiber mesh cloth can effectively prevent the tear from expanding further. At the same time, the addition of the glass fiber mesh cloth enables the cardboard to retain more than 70% of its strength after being exposed to moisture, which can provide good support for the overall cardboard. This solves the technical problems of poor tear resistance and easy weakening of strength when exposed to moisture in traditional corrugated cardboard, and is suitable for various packaging scenarios such as industrial products and heavy goods.

[0008] This invention has the advantages of simple structure, safety and effectiveness, and good performance. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the structure of Embodiment 2 of the present invention; In the diagram: 1-Corrugated paper; 2-Mesh fabric; 3-Facing paper; 4-Inner paper; 5-Core paper. Detailed Implementation

[0010] 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. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0011] Example 1, please refer to Figure 1 This invention provides a high-strength tear-resistant corrugated cardboard box structure, comprising: corrugated paper 1, mesh fabric 2, face paper 3, and liner paper 4. The corrugated paper 1 is the main body of the corrugated cardboard box board. The mesh fabric 2 is a glass fiber mesh fabric, which is fixed to the outside of the corrugated paper 1 by an adhesive. The face paper 3 is fixed to the surface of the mesh fabric 2 by an adhesive, and the face paper 4 passes through the through holes of the mesh fabric 2 and is fixed to the corrugated paper 1 by an adhesive. The liner paper 4 is fixed to the inside of the corrugated paper 1 by an adhesive.

[0012] Example 2, please refer to Figure 2This invention provides a high-strength tear-resistant corrugated cardboard box structure, comprising: corrugated paper 1, mesh fabric 2, face paper 3, and liner paper 4. The corrugated paper 1 is the main body of the corrugated cardboard box board. The mesh fabric 2 is a glass fiber mesh fabric, which is fixed to the outside of the corrugated paper 1 by an adhesive. The face paper 3 is fixed to the surface of the mesh fabric 2 by an adhesive, and the face paper 4 passes through the through holes of the mesh fabric 2 and is fixed to the corrugated paper 1 by an adhesive. The liner paper 4 is fixed to the inside of the corrugated paper 1 by an adhesive.

[0013] Furthermore, the corrugated paper 1 has two layers, and a core paper 5 is provided between the multiple layers of corrugated paper 1. The core paper 5 is fixed to the corrugated paper 1 on both sides by an adhesive.

[0014] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cardboard structure for a high-strength tear-resistant corrugated cardboard box, characterized in that, include: Corrugated paper (1), mesh fabric (2), face paper (3), and liner paper (4). The corrugated paper (1) is the main body of the corrugated cardboard box board. The mesh fabric (2) is a glass fiber mesh fabric. The mesh fabric (2) is fixed to the outside of the corrugated paper (1) by adhesive. The face paper (3) is fixed to the surface of the mesh fabric (2) by adhesive. The face paper (4) passes through the through holes of the mesh fabric (2) and is fixed to the corrugated paper (1) by adhesive. The liner paper (4) is fixed to the inside of the corrugated paper (1) by adhesive.

2. The cardboard structure of a high-strength tear-resistant corrugated cardboard box according to claim 1, characterized in that, The corrugated paper (1) has at least one layer, and a core paper (5) is provided between the multiple layers of corrugated paper (1). The core paper (5) is fixed to the corrugated paper (1) on both sides by an adhesive.

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