Double-layer elastic corrugated paper

Abstract

The utility model discloses double-layer elastic corrugated paper which comprises a first paperboard layer and a second paperboard layer, the top end of the first paperboard layer is provided with the second paperboard layer, the bottom end of the second paperboard layer is provided with a third paperboard layer, and a first wavy core paper interlayer is fixed between the second paperboard layer and the third paperboard layer. According to the double-layer elastic corrugated paper, when the corrugated paper is used, the air bag is arranged between the third paperboard layer and the fourth paperboard layer in the corrugated paper, meanwhile, multiple sets of air cavities are formed in the first protection layer at equal intervals, the elastic force in the corrugated paper can be improved, and when objects are placed and protected, when the objects collide with the paperboards, the objects are prevented from falling off. The multiple sets of air cavities are filled with air and have elasticity, auxiliary collision buffering can be conducted on objects, collision damage to the objects can be reduced, the elasticity of the corrugated paper is increased, packaging and using of the corrugated paper are facilitated, and the problem that the elasticity in the corrugated paper is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated paper, in particular to a double-layer elastic corrugated paper. Background Art

[0002] Corrugated paper is a plate-like material made by gluing noodle paper and corrugated paper formed by corrugating rollers. It can be divided into some single-layer corrugated paper and double-layer corrugated paper. It is widely used in the packaging process of food and digital products.

[0003] However, in actual use, although double-layer corrugated paper has high mechanical strength and can withstand collisions and falls during transportation, when items are dropped to the ground from a corrugated paper box, most of the items inside are in direct hard contact with the ground due to the poor elasticity of the corrugated paper. This can easily cause damage to the items, which is a disadvantage.

[0004] Now, a novel double-layer elastic corrugated paper is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a double-layer elastic corrugated paper to solve the problem of poor internal elasticity of the corrugated paper mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a double-layer elastic corrugated paper, comprising a first paperboard layer and a second paperboard layer, the second paperboard layer is arranged on the top of the first paperboard layer, and the third paperboard layer is arranged on the bottom of the second paperboard layer, and the fourth paperboard layer is arranged on the bottom of the third paperboard layer, a first corrugated core paper interlayer is fixed between the second paperboard layer and the third paperboard layer, a second corrugated core paper interlayer is fixed between the first paperboard layer and the fourth paperboard layer, an air bag is arranged between the third paperboard layer and the fourth paperboard layer, and an air cavity is arranged inside the air bag.

[0007] Preferably, the airbag bag is made of polypropylene.

[0008] Preferably, the air cavities are arranged at equal intervals inside the airbag bag, and the top and bottom ends of the airbag bag are respectively glued and fixed to the bottom end of the third paperboard layer and the top end of the fourth paperboard layer.

[0009] Preferably, the first paperboard layer, the first corrugated core paper interlayer and the second corrugated core paper interlayer are symmetrically arranged about a horizontal center line of the air cavity.

[0010] Preferably, a first edge sealing strip is fixed to the left side of the first paperboard layer and the second paperboard layer, and a fourth edge sealing strip is fixed to the right side of the first paperboard layer and the second paperboard layer.

[0011] Preferably, a second edge sealing strip is fixed to the rear ends of the first paperboard layer and the second paperboard layer, and a third edge sealing strip is fixed to the front ends of the first paperboard layer and the second paperboard layer.

[0012] Preferably, a first protective layer is fixed to the top end of the second paperboard layer, and a second protective layer is arranged at the bottom end of the first paperboard layer.

[0013] Preferably, the first protective layer and the second protective layer are made of polyester film.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the double-layer elastic corrugated paper not only improves the elasticity of the corrugated paper, facilitates the collision prevention of the corners of the corrugated paper, but also facilitates the moisture-proofing of the exterior of the corrugated paper;

[0015] (1) By providing a first paperboard layer, a second paperboard layer, a first corrugated core paper interlayer, a third paperboard layer, a fourth paperboard layer, a second corrugated core paper interlayer, an air bag and an air cavity, when the corrugated paper is used, an air bag is provided between the third paperboard layer and the fourth paperboard layer inside the corrugated paper, and multiple groups of air cavities are provided at equal intervals inside the first protective layer, so that the elastic force inside the corrugated paper can be improved. When placing and protecting objects, when the objects collide with the paperboard, the multiple groups of air cavities are filled with gas and have elastic force, which can assist in collision buffering of the objects, reduce collision damage to the objects, increase the elastic force of the corrugated paper, and facilitate the packaging of the corrugated paper;

[0016] (2) By providing a first paperboard layer, a second paperboard layer, a first edge sealing strip, a second edge sealing strip, a third edge sealing strip and a fourth edge sealing strip, when the corrugated paper is used, the first edge sealing strip and the fourth edge sealing strip as well as the second edge sealing strip and the third edge sealing strip are respectively fixed on both sides and ends of the corrugated paper, so that the outer corners of the corrugated paper can be wrapped and sealed with an auxiliary outer cover, thereby reducing deformation and fracture damage caused by collision and impact of the corners, and facilitating anti-collision protection of the corners of the corrugated paper;

[0017] (3) By providing a first paperboard layer, a second paperboard layer, a first protective layer and a second protective layer, the first protective layer and the second protective layer are respectively fixed on the outside of both end surfaces of the corrugated paper when the corrugated paper is in use. The first protective layer and the second protective layer have good waterproof performance and can be used for a long time in a humid environment. At the same time, they also have good toughness and wear resistance, which can prevent moisture from forming on the outside of the corrugated paper and prevent wear during use, thereby improving the mechanical properties of the corrugated paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 For this utility model Figure 1A is an enlarged structural diagram;

[0020] Figure 3 It is a schematic diagram of a partially enlarged top view of the first edge sealing strip of the utility model;

[0021] Figure 4 It is a schematic diagram of a partial enlarged side cross-section of the first wavy core paper interlayer of the utility model.

[0022] In the figure: 1, first paperboard layer; 2, first edge strip; 3, second paperboard layer; 4, first protective layer; 5, first wavy core paper sandwich; 6, third paperboard layer; 7, fourth paperboard layer; 8, second wavy core paper sandwich; 9, second protective layer; 10, airbag bag; 11, air cavity; 12, second edge strip; 13, third edge strip; 14, fourth edge strip. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 A double-layer elastic corrugated paper comprises a first paperboard layer 1 and a second paperboard layer 3, the second paperboard layer 3 is arranged on the top of the first paperboard layer 1, and the third paperboard layer 6 is arranged on the bottom of the second paperboard layer 3, and the fourth paperboard layer 7 is arranged on the bottom of the third paperboard layer 6, a first corrugated core paper sandwich 5 is fixed between the second paperboard layer 3 and the third paperboard layer 6, a second corrugated core paper sandwich 8 is fixed between the first paperboard layer 1 and the fourth paperboard layer 7, an air bag 10 is arranged between the third paperboard layer 6 and the fourth paperboard layer 7, and an air cavity 11 is arranged inside the air bag 10;

[0025] The airbag bag 10 is made of polypropylene, and the air cavities 11 are arranged at equal intervals inside the airbag bag 10. The top and bottom of the airbag bag 10 are respectively glued and fixed to the bottom end of the third paperboard layer 6 and the top end of the fourth paperboard layer 7. The first paperboard layer 1 and the first corrugated core paper interlayer 5 and the second corrugated core paper interlayer 8 are symmetrically arranged about the horizontal center line of the air cavity 11.

[0026] Specifically, Figure 1 and Figure 2As shown, an airbag bag 10 is arranged between the third paperboard layer 6 and the fourth paperboard layer 7 inside the corrugated paper, and a plurality of groups of air cavities 11 are arranged at equal intervals inside the first protective layer 4, which can improve the elasticity inside the corrugated paper. When the objects are placed for protection, when the objects hit the paperboard, the plurality of groups of air cavities 11 are filled with gas and have elasticity, which can assist in collision buffering of the objects, reduce collision damage to the objects, and increase the elasticity of the corrugated paper.

[0027] Embodiment 2: A first edge sealing strip 2 is fixed to the left side of the first paperboard layer 1 and the second paperboard layer 3, a fourth edge sealing strip 14 is fixed to the right side of the first paperboard layer 1 and the second paperboard layer 3, a second edge sealing strip 12 is fixed to the rear end of the first paperboard layer 1 and the second paperboard layer 3, and a third edge sealing strip 13 is fixed to the front end of the first paperboard layer 1 and the second paperboard layer 3;

[0028] Specifically, Figure 1 and Figure 3 As shown, the first edge sealing strip 2 and the fourth edge sealing strip 14 as well as the second edge sealing strip 12 and the third edge sealing strip 13 are fixed on both sides and ends of the corrugated paper respectively, which can assist in wrapping and sealing the outer corners of the corrugated paper to reduce deformation, fracture and damage caused by collision and impact of the corners.

[0029] Embodiment 3: A first protective layer 4 is fixed to the top of the second paperboard layer 3, and a second protective layer 9 is arranged at the bottom of the first paperboard layer 1. The first protective layer 4 and the second protective layer 9 are made of polyester film;

[0030] Specifically, Figure 1 and Figure 4 As shown, a first protective layer 4 and a second protective layer 9 are fixed to the outside of the two end surfaces of the corrugated paper respectively. The first protective layer 4 and the second protective layer 9 have good waterproof performance and can be used for a long time in a humid environment. They also have good toughness and wear resistance, which can prevent moisture from the outside of the corrugated paper and prevent wear during use.

[0031] Working principle: When the utility model is in use, an air bag 10 is arranged between the third cardboard layer 6 and the fourth cardboard layer 7 inside the corrugated paper, and multiple groups of air cavities 11 are arranged at equal intervals inside the first protective layer 4, which can improve the elasticity inside the corrugated paper. When placing and protecting objects, when the objects hit the cardboard, the multiple groups of air cavities 11 are filled with gas and have elasticity, which can assist in collision buffering of the objects, reduce the collision damage of the objects, and increase the elasticity of the corrugated paper. At the same time, when the corrugated paper is in use, the first edge sealing strip 2 and the fourth edge sealing strip are fixed on both sides and both ends of the corrugated paper respectively. The strip 14 and the second edge sealing strip 12 and the third edge sealing strip 13 can be used to assist in wrapping and sealing the outer corners of the corrugated paper, reduce deformation and fracture damage caused by collision and impact of the corners, and protect the corners of the corrugated paper from collision. When the corrugated paper is in use, a first protective layer 4 and a second protective layer 9 are fixed to the outside of the two end surfaces of the corrugated paper respectively. The first protective layer 4 and the second protective layer 9 have good waterproof performance and can be used for a long time in a humid environment. At the same time, they also have good toughness and wear resistance, which can prevent moisture from the outside of the corrugated paper and prevent wear during use.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A double-layer elastic corrugated paper, comprising a first paperboard layer (1) and a second paperboard layer (3), characterized in that: A second paperboard layer (3) is arranged at the top of the first paperboard layer (1), and a third paperboard layer (6) is arranged at the bottom of the second paperboard layer (3), and a fourth paperboard layer (7) is arranged at the bottom of the third paperboard layer (6); a first corrugated core paper sandwich layer (5) is fixed between the second paperboard layer (3) and the third paperboard layer (6), a second corrugated core paper sandwich layer (8) is fixed between the first paperboard layer (1) and the fourth paperboard layer (7), and an air bag (10) is arranged between the third paperboard layer (6) and the fourth paperboard layer (7), and an air cavity (11) is arranged inside the air bag (10).

2. The double-layer elastic corrugated paper according to claim 1, characterized in that: The airbag bag (10) is made of polypropylene.

3. The double-layer elastic corrugated paper according to claim 1, characterized in that: The air cavities (11) are arranged at equal intervals inside the airbag bag (10), and the top and bottom ends of the airbag bag (10) are respectively glued and fixed to the bottom end of the third paperboard layer (6) and the top end of the fourth paperboard layer (7).

4. The double-layer elastic corrugated paper according to claim 1, characterized in that: The first paperboard layer (1), the first corrugated core paper interlayer (5), and the second corrugated core paper interlayer (8) are symmetrically arranged about a horizontal center line of the air cavity (11).

5. The double-layer elastic corrugated paper according to claim 1, characterized in that: A first edge sealing strip (2) is fixed to the left side of the first paperboard layer (1) and the second paperboard layer (3), and a fourth edge sealing strip (14) is fixed to the right side of the first paperboard layer (1) and the second paperboard layer (3).

6. The double-layer elastic corrugated paper according to claim 1, characterized in that: A second edge sealing strip (12) is fixed to the rear ends of the first paperboard layer (1) and the second paperboard layer (3), and a third edge sealing strip (13) is fixed to the front ends of the first paperboard layer (1) and the second paperboard layer (3).

7. The double-layer elastic corrugated paper according to claim 1, characterized in that: A first protective layer (4) is fixed to the top end of the second paperboard layer (3), and a second protective layer (9) is arranged at the bottom end of the first paperboard layer (1).

8. The double-layer elastic corrugated paper according to claim 7, characterized in that: The first protective layer (4) and the second protective layer (9) are made of polyester film.

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