CN2923303Y - High elastic corrugated cardboard - Google Patents

Abstract

The utility model relates to a high-elastic corrugated paper board, which comprises two layers of surface paper and a corrugated core amid. The corrugated core consists essentially of at least two layers of corrugated boards adhered mutually to form a structure with a plurality of holes. The adhered two or more layers of corrugated boards are combined with the surface paper. Compared with other paper products, the utility model has advantages of proper structure, good shock-absorbing property, automatic production, light weight and low cost.

Description

High elastic corrugated cardboard

technical field

The utility model relates to a corrugated cardboard, in particular to a high-elastic corrugated cardboard.

Background technique

Traditional corrugated cardboard is composed of a layer of corrugated medium paper between two adjacent layers of paper. According to the number of layers of surface paper and corrugated medium paper contained in the cardboard, it can be divided into single-sided corrugated cardboard, three-layer corrugated cardboard, and five-layer corrugated cardboard. Cardboard, seven-layer corrugated cardboard, etc. However, the strength of the corrugated cardboard reinforced by this method is limited. If the strength of wood is to be achieved, the thickness of the corrugated cardboard is too thick and the cost is too high. In order to increase the strength of corrugated cardboard, corrugated cardboard with different structures has been designed. For example, the application number is 99202407.2, and the Chinese patent named "corrugated composite board" is to install multi-layer corrugated paper between the two layers of paper after cutting according to the thickness. The sandwich corrugated cardboard used as the sandwich layer is placed vertically. This sandwich corrugated cardboard can enhance the flat compressive strength of the corrugated cardboard, but hardly increases the edge compressive strength of the corrugated cardboard, and the cutting of the above-mentioned cardboard sandwich layer is very difficult. Due to the above reasons, there is currently no cardboard that can replace wood packaging, and because the strength or shockproof performance of the existing packaging does not meet the requirements, when packaging heavier items such as refrigerators and air conditioners and fragile items such as glass and porcelain, it is necessary to Fill the box with foamed plastic (such as EPS foamed plastic) to prevent the items in the box from being damaged due to extrusion and collision, thus causing a lot of white pollution, and foamed plastic packaging is also banned from import by many developed countries.

Utility model content

The technical problem to be solved by the utility model is to provide a high-elastic corrugated cardboard, which is light in weight, can effectively improve the anti-seismic performance, can realize automatic production, and has low cost.

The technical solution adopted by the utility model to solve the technical problem is: provide a high-elastic corrugated cardboard, which includes two layers of surface paper, and a corrugated core is arranged between the two layers of surface paper, and the corrugated core includes at least two layers. A layer of corrugated boards, the at least two layers of corrugated boards are pasted together to form a structure with certain holes, and the bottom and bottom of the pasted at least two layers of corrugated boards are bonded to the surface paper.

In the high-elastic corrugated board of the present invention, the corrugated board is corrugated base paper or kraft paper; the surface paper is kraft paper or plastic.

In the high-elastic corrugated cardboard of the present utility model, the corrugation shape of the corrugated board is at least one of arc shape, square shape, U shape or V shape.

In the high-elastic corrugated cardboard of the present invention, the corrugated core includes two layers of corrugated boards with different peak heights but the same span, which are nested and pasted together.

In the high-elastic corrugated cardboard of the present invention, the corrugated core includes two layers of corrugated boards with the same structure and form that are pasted together.

In the high-elastic corrugated cardboard of the present invention, the corrugated core is formed by nesting and pasting a corrugated board with alternating large and small corrugations and another corrugated board with large corrugations.

In the high-elastic corrugated cardboard of the present utility model, the corrugated core includes two layers of corrugated boards with different peak heights and alternately large and small peak heights. The troughs of the small corrugations of a corrugated plate are butt-attached, and a certain plane transition is provided at the crests and troughs of each corrugated plate.

In the high-elasticity corrugated cardboard of the present invention, the corrugated core includes two kinds of corrugated boards of different shapes nested and glued to each other, and the two kinds of corrugated boards of different shapes are U-shaped and V-shaped respectively.

Implementing the high-elastic corrugated paper of the present utility model has the following beneficial effects: the corrugated cardboard structure of the present utility model, compared with the traditional corrugated cardboard, can increase the thickness of the corrugated cardboard per unit weight, increase the ability of the corrugated cardboard to resist secondary impact, Especially suitable for making cushioning pads for transport packaging. Therefore, the utility model has a reasonable structure, and compared with other paper products, it has the advantages of good shock resistance, easy automatic production, light weight, and low cost.

Description of drawings

Fig. 1 is the schematic diagram of the first embodiment of the utility model high elastic corrugated cardboard;

Fig. 2 is a schematic diagram of the second embodiment of the utility model high elastic corrugated cardboard;

Fig. 3 is a schematic diagram of the third embodiment of the utility model high elastic corrugated cardboard;

Fig. 4 is a schematic diagram of the fourth embodiment of the utility model high elastic corrugated cardboard;

Fig. 5 is a schematic diagram of the fifth embodiment of the high elastic corrugated cardboard of the present invention.

Detailed ways

The utility model provides a high-elastic corrugated cardboard, which includes two layers of surface paper, a corrugated core is arranged between the two layers of surface paper, the corrugated core includes at least two layers of corrugated boards, and the at least two layers of corrugated boards are pasted together A structure with certain holes is formed, and the upper and lower sides of the pasted at least two corrugated boards are pasted with the surface paper, thereby forming the high-elastic corrugated board of the present invention.

Among them, the corrugated board can be processed from ordinary roll-shaped corrugated base paper or kraft paper; the material of the surface paper can be kraft paper, plastic or other materials. Wherein, the shape of the corrugated plate can be arc shape, square shape, U shape, V shape and the like.

As shown in FIG. 1 , it is a structural schematic view of the first embodiment of the high-elasticity corrugated cardboard of the present invention. It includes two layers of surface paper and a corrugated core formed by nesting and pasting two corrugated boards with different peak heights and the same span, and the upper and lower sides of the corrugated core are pasted with the surface paper;

As shown in Fig. 2, it is a structural schematic diagram of the second embodiment of the high-elasticity corrugated cardboard of the present invention. It includes two layers of surface paper and a corrugated core made of two types of corrugated boards with the same structure. The adjacent two layers of corrugated boards are staggered by a certain phase angle according to the shape of the corrugation. paper paste;

As shown in FIG. 3 , it is a structural schematic view of the third embodiment of the high-elasticity corrugated cardboard of the present invention. It includes two layers of surface paper and a corrugated core. The corrugated core is formed by nesting and pasting one layer of corrugated board with alternating large and small corrugations and the other layer of corrugated board with large corrugations. paste;

As shown in FIG. 4 , it is a structural schematic view of the fourth embodiment of the high-elasticity corrugated cardboard of the present invention. It includes two layers of surface paper and a corrugated core composed of two layers of corrugated boards with different peak heights and alternating large and small peak heights. The upper and lower sides of the corrugated core are pasted with the surface paper; The crests of the large corrugations of one layer of corrugated boards are butt-bonded with the troughs of small corrugations of another corrugated board, and for the convenience of pasting, a certain plane transition is provided at the crests and troughs of each corrugated board;

As shown in Fig. 5, it is a structural schematic diagram of the fifth embodiment of the high-elasticity corrugated cardboard of the present invention. It includes two layers of surface paper and a corrugated core formed by alternately nesting and pasting corrugated boards of two shapes (U-shaped and V-shaped), and the upper and lower surfaces of the corrugated core are pasted with the surface paper.

The above only shows several corrugated core structures, and the deformation of other structures should be within the scope covered by the claims of the present utility model.

The high-elastic corrugated cardboard of the present utility model can be used to make corrugated cartons or corrugated cardboard buffer pads to replace non-environmentally friendly EPS foam plastics, and other materials can also be pasted on the surface of the corrugated core of the present utility model to be used in aviation , furniture, construction and other technical fields.

The surface paper of the utility model can be made of paper or plastic material; the corrugated core can be corrugated cardboard or plastic board. The production of corrugated paper or plastic board can adopt the existing corrugated cardboard production line, by changing the shape of the corrugated rollers to meet the needs of different forms of corrugation, with the corrugated cardboard production line, the utility model can be completed without adding other equipment In the production of corrugated cardboard structures, it can effectively use existing resources to develop new paper varieties.

Compared with the traditional corrugated cardboard, the corrugated cardboard structure of the utility model can increase the thickness of the corrugated cardboard per unit weight, increase the ability of the corrugated cardboard to resist secondary impact, and is especially suitable for making cushioning pads for transportation and packaging. Therefore, the utility model has a reasonable structure, and compared with other paper products, it has the advantages of good shock resistance, easy automatic production, light weight, and low cost.

Claims (8)

1. A high-elastic corrugated cardboard, which includes two layers of surface paper, and a corrugated core is arranged between the two layers of surface paper, it is characterized in that the corrugated core includes at least two layers of corrugated boards, and the at least two layers of corrugated The boards are pasted together to form a structure with certain holes, and the bottom and bottom of the pasted at least two corrugated boards are bonded to the surface paper. 2. The high-elastic corrugated cardboard according to claim 1, wherein the corrugated board is corrugated base paper or kraft paper; the surface paper is kraft paper or plastic. 3. The high-elasticity corrugated cardboard according to claim 2, wherein the corrugation shape of the corrugated board is at least one of arc shape, square shape, U shape or V shape. 4. The high-elastic corrugated cardboard according to any one of claims 1 to 3, wherein the corrugated core comprises two layers of corrugated boards with different peak heights but the same span, which are nested and pasted together. 5. The high-elasticity corrugated cardboard according to any one of claims 1 to 3, characterized in that the corrugated core comprises two layers of corrugated boards with the same structure that are pasted together. 6. The high-elastic corrugated cardboard according to any one of claims 1 to 3, characterized in that the corrugated core is formed by nesting and pasting a corrugated board with alternating large and small corrugations and another corrugated board with large corrugations. become. 7. The high-elastic corrugated cardboard according to any one of claims 1 to 3, wherein the corrugated core comprises two layers of corrugated boards with different peak heights and alternate peak heights, the two layers of corrugated The crests of the large corrugations of one corrugated plate in the board are butted and pasted with the troughs of the small corrugations of the other corrugated plate, and a certain plane transition is provided at the crests and troughs of each corrugated plate. 8. The high-elasticity corrugated cardboard according to any one of claims 1 to 3, characterized in that, the corrugated core comprises corrugated boards of two different shapes that are nested and glued to each other, and the two kinds of corrugated boards of different shapes They are U-shaped and V-shaped respectively.

Images