Moisture-proof and compression-resistant corrugated board

Abstract

The utility model belongs to the technical field of corrugated boards, and particularly relates to a damp-proof and compression-resistant corrugated board which comprises a first waterproof layer, a compression-resistant layer and a second waterproof layer which are sequentially arranged from bottom to top, and the compression-resistant layer comprises first inner paper, first B-shaped corrugated paper, second inner paper, second B-shaped corrugated paper and third inner paper. The corrugations of the first B-shaped corrugated paper are arranged in the longitudinal direction, and the corrugations of the second B-shaped corrugated paper are arranged in the transverse direction. The first waterproof layer and the second waterproof layer are utilized to prevent water vapor in the environment from entering the compression-resistant layer, so that the condition of performance reduction caused by wetting of the paper core is reduced; the compression-resistant layer is composed of the two sets of B-shaped corrugated paper with staggered corrugation arrangement directions, so that the stress area between the single B-shaped corrugation located on the lower layer and the single B-shaped corrugation located on the upper layer is reduced, the effect of increasing the pressure intensity is further achieved, and the compression-resistant performance of the corrugated board is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to corrugated paperboard technical field, especially relate to moistureproof pressure resistance corrugated paperboard. BACKGROUND

[0002] Corrugated paperboard is a multi-layer adhesive body, which is formed by at least one layer of corrugated paper and one layer of boxboard paper, has good elasticity and extensibility, and is mainly used for manufacturing paper boxes, sandwichs of paper boxes and other packaging materials of fragile commodities. In the prior art, paper packaging materials usually have strong hygroscopicity, and the compression strength of the paper box is easily reduced due to environmental humidity. SUMMARY

[0003] The utility model discloses a moistureproof pressure resistance corrugated paperboard, aim at solving the technical problem in the prior art.

[0004] To achieve the above-mentioned purpose, the moistureproof pressure resistance corrugated paperboard provided by the utility model embodiment comprises a first waterproof layer, a pressure resistance layer and a second waterproof layer arranged in sequence from bottom to top, the pressure resistance layer comprises a first lining paper, a first B-shaped corrugated paper, a second lining paper, a second B-shaped corrugated paper and a third lining paper, the bottom of the first B-shaped corrugated paper is connected with the first waterproof layer through the first lining paper, and the top is connected with the second B-shaped corrugated paper through the second lining paper, the top of the second B-shaped corrugated paper is connected with the second waterproof layer through the third lining paper, the corrugated shape of the first B-shaped corrugated paper is arranged along the longitudinal direction, and the corrugated shape of the second B-shaped corrugated paper is arranged along the transverse direction.

[0005] Optionally, the corrugated peak of the first B-shaped corrugated paper is in the shape of a circular arc and is fixedly attached to the second lining paper, and the corrugated bottom of the second B-shaped corrugated paper is in the shape of a circular arc and is fixedly attached to the second lining paper.

[0006] Optionally, the first waterproof layer comprises a first moistureproof layer, a first face paper and a first C-shaped corrugated paper arranged in sequence from bottom to top, and the corrugated bottom of the first C-shaped corrugated paper is in the shape of a circular arc and is fixedly attached to the first face paper.

[0007] Optionally, the first moistureproof layer is made of PVC material.

[0008] Optionally, the moistureproof pressure resistance corrugated paperboard further comprises a first waterproof coated paper, and the first waterproof coated paper is arranged at the bottom of the first moistureproof layer.

[0009] Optionally, the second waterproof layer comprises a second moistureproof layer, a second face paper and a second C-shaped corrugated paper arranged in sequence from top to bottom, and the corrugated peak of the second C-shaped corrugated paper is in the shape of a circular arc and is fixedly attached to the second face paper.

[0010] Optionally, the second moistureproof layer is made of PVC material.

[0011] Optionally, a second waterproof coated paper is further included, and the second waterproof coated paper is arranged on top of the second moisture-proof layer.

[0012] The moisture-proof and pressure-resistant corrugated paperboard provided by the embodiment of the utility model has at least one of the following technical effects: the first waterproof layer and the second waterproof layer are used to avoid water vapor in the environment from entering the pressure-resistant layer, thereby reducing the performance decline caused by the wet paper core; the pressure-resistant layer is composed of two groups of B-shaped corrugated paper with staggered arrangement directions, thereby reducing the stress area between the single B-shaped corrugated paper in the lower layer and the single B-shaped corrugated paper in the upper layer, and the pressure intensity is increased, and the pressure resistance of the utility model is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 The structure diagram of the moisture-proof and pressure-resistant corrugated paperboard provided by the embodiment of the utility model is shown.

[0015] Figure 2 The exploded view of the moisture-proof and pressure-resistant corrugated paperboard provided by the embodiment of the utility model is shown. Figure 1 The exploded view of the moisture-proof and pressure-resistant corrugated paperboard provided by the embodiment of the utility model is shown.

[0016] In the drawings, various reference signs are as follows:

[0017] 1-first waterproof layer 2-pressure-resistant layer 3-second waterproof layer

[0018] 11-first moisture-proof layer 12-first surface paper 13-first C-shaped corrugated paper

[0019] 14-first waterproof coated paper 21-first inner paper 22-first B-shaped corrugated paper

[0020] 23-second inner paper 24-second B-shaped corrugated paper 25-third inner paper

[0021] 31-second moisture-proof layer 32-second surface paper 33-second C-shaped corrugated paper

[0022] 34-second waterproof coated paper. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the embodiments of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In addition, the terms "first", "second" are only used for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] In one embodiment of the present application, as Figures 1-2As shown, the moisture-proof and pressure-resistant corrugated paperboard is provided, which comprises a first waterproof layer 1, a pressure-resistant layer 2 and a second waterproof layer 3 arranged in sequence from bottom to top, the pressure-resistant layer 2 comprises a first back paper 21, a first B-shaped corrugated paper 22, a second back paper 23, a second B-shaped corrugated paper 24 and a third back paper 25, the bottom of the first B-shaped corrugated paper 22 is connected with the first waterproof layer 1 through the first back paper 21, the top is connected with the second B-shaped corrugated paper 24 through the second back paper 23, the top of the second B-shaped corrugated paper 24 is connected with the second waterproof layer 3 through the third back paper 25, and the corrugation of the first B-shaped corrugated paper 22 is arranged in a longitudinal direction, and the corrugation of the second B-shaped corrugated paper 24 is arranged in a transverse direction. The first waterproof layer 1 and the second waterproof layer 3 are used to prevent water vapor in the environment from entering the pressure-resistant layer 2, so as to reduce the performance decline caused by the wet paper core; the pressure-resistant layer 2 is composed of two groups of B-shaped corrugated papers with staggered arrangement directions, so as to reduce the stress area between the single B-shaped corrugation in the lower layer and the single B-shaped corrugation in the upper layer, and then the pressure is increased, which is beneficial to improve the pressure resistance of the paperboard.

[0028] In an embodiment of the present application, as shown in Figures 1-2 The corrugation peak of the first B-shaped corrugated paper 22 is in a circular arc shape and is fixedly attached to the second back paper 23, and the corrugation bottom of the second B-shaped corrugated paper 24 is in a circular arc shape and is fixedly attached to the second back paper 23. The corrugation peak in a circular arc shape opposite to the corrugation peak is used to further reduce the stress area between the two layers, further increase the pressure, and improve the pressure resistance.

[0029] In an embodiment of the present application, as shown in Figures 1-2 The first waterproof layer 1 comprises a first moisture-proof layer 11, a first face paper 12 and a first C-shaped corrugated paper 13 arranged in sequence from bottom to top, the corrugation bottom of the first C-shaped corrugated paper 13 is in a circular arc shape and is fixedly attached to the first face paper 12. The first moisture-proof layer 11 is made of PVC material. Further, the first waterproof coated paper 14 is arranged at the bottom of the first moisture-proof layer 11. Further, the first C-shaped corrugated paper 13 is used to improve the cushioning shape and impact resistance of the paperboard structure, and the pressure-resistant layer 2 structure provided in the embodiment can be applied to the scene of heavy packaging.

[0030] In an embodiment of the present application, as shown in Figures 1-2As shown, the second waterproof layer 3 comprises a second moisture-proof layer 31, a second face paper 32 and a second C-shaped corrugated paper 33 arranged in sequence from top to bottom, the corrugated peak of the second C-shaped corrugated paper 33 is in the shape of a circular arc and is fixedly attached to the second face paper 32. The second moisture-proof layer 31 is made of PVC material. A second waterproof coated paper 34 is further arranged on the top of the second moisture-proof layer 31. Further, the second C-shaped corrugated paper 33 is used to improve the cushioning shape and impact resistance of the paperboard structure, and the compression-resistant layer 2 structure provided in the embodiment can be applied to the scene of heavy packaging.

[0031] The above merely describes a preferred embodiment of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A moisture resistant, crush resistant, corrugated paperboard, characterized by: The first waterproof layer, the compression-resistant layer and the second waterproof layer are arranged from bottom to top, the compression-resistant layer comprises a first back paper, a first B-shaped corrugated paper, a second back paper, a second B-shaped corrugated paper and a third back paper, the bottom of the first B-shaped corrugated paper is connected with the first waterproof layer through the first back paper, the top of the first B-shaped corrugated paper is connected with the second B-shaped corrugated paper through the second back paper, the top of the second B-shaped corrugated paper is connected with the second waterproof layer through the third back paper, the corrugation of the first B-shaped corrugated paper is arranged along the longitudinal direction, and the corrugation of the second B-shaped corrugated paper is arranged along the transverse direction.

2. The moisture resistant, crush resistant, corrugated paperboard of claim 1, wherein: The corrugation peak of the first B-shaped corrugated paper is in a circular arc shape and is fixedly attached to the second back paper, and the corrugation bottom of the second B-shaped corrugated paper is in a circular arc shape and is fixedly attached to the second back paper.

3. The moisture resistant, crush resistant, corrugated paperboard of claim 1, wherein: The first waterproof layer comprises a first moisture-proof layer, a first face paper and a first C-shaped corrugated paper arranged from bottom to top, and the corrugation bottom of the first C-shaped corrugated paper is in a circular arc shape and is fixedly attached to the first face paper.

4. The moisture resistant, crush resistant, corrugated paperboard of claim 3, wherein: The first moisture-proof layer is made of PVC material.

5. The moisture resistant, crush resistant, corrugated paperboard of claim 3, wherein: The first waterproof coated paper is arranged at the bottom of the first moisture-proof layer.

6. The moisture resistant, crush resistant, corrugated paperboard of claim 1, wherein: The second waterproof layer comprises a second moisture-proof layer, a second face paper and a second C-shaped corrugated paper arranged from top to bottom, and the corrugation peak of the second C-shaped corrugated paper is in a circular arc shape and is fixedly attached to the second face paper.

7. The moisture resistant, crush resistant, corrugated paperboard of claim 6, wherein: The second moisture-proof layer is made of PVC material.

8. The moisture resistant, crush resistant, corrugated paperboard of claim 6, wherein: The second waterproof coated paper is arranged at the top of the second moisture-proof layer.

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