CN218948668U

CN218948668U - Reinforced tear-resistant corrugated board

Info

Publication number: CN218948668U
Application number: CN202223214049.6U
Authority: CN
Inventors: 夏为东; 韩建秋
Original assignee: Jiangsu Yima Packaging Co ltd
Current assignee: Jiangsu Yima Packaging Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-02
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a reinforced tear-resistant corrugated board, which comprises an upper corrugated paper layer; a core board layer glued at the center of the lower side of the upper corrugated paper layer; the pressing part is glued to the lower side edge of the upper corrugated paper layer, the section of the pressing part is Z-shaped, the pressing part comprises an outer ring edge part and an inner ring edge part, the outer ring edge part is glued to the upper corrugated paper layer, and the inner ring edge part is glued to the lower side of the core board layer; an epoxy sealing layer glued to the lower side of the pressing piece, and epoxy sealing glue is filled between the epoxy sealing layer and the core plate layer; a lower corrugated paper layer glued to the underside of the epoxy skin layer; and kraft paper glued to the outer sides of the upper corrugated paper layer and the lower corrugated paper layer respectively. According to the utility model, the pressing piece part is arranged between the upper corrugated paper layer and the lower corrugated paper layer, so that the edges of the paper board are protected, the tearing resistance is enhanced, meanwhile, the sandwich board layer and the epoxy sealing layer are covered in the middle, the pressure resistance is enhanced, and the strength and the durability of the paper board are improved.

Description

Reinforced tear-resistant corrugated board

Technical Field

The utility model belongs to the technical field of corrugated paper, and particularly relates to a reinforced tear-resistant corrugated board.

Background

The corrugated board is used as the most important and widely applied packaging material, and can play a role in buffering external impact in the transportation process, so that the corrugated board can protect products in the package in the transportation process, and meanwhile, the corrugated board has the advantages of light weight, low cost, easiness in processing, convenience in storage and the like. In the transportation process, the products in the package often collide with the corrugated board, and the abrasion is easy to cause the damage of the corrugated board due to the poor uncovering strength, bursting strength and tensile strength of the face paper adopted by the existing corrugated board structure, especially the easy tearing opening of the edge of the board, resulting in the damage.

Disclosure of Invention

In view of the above, the technical problem to be solved by the utility model is to provide a reinforced tear-resistant corrugated board, which is used for avoiding the problems that the strength of the conventional corrugated board is poor and the edge is easy to tear.

In order to solve the technical problems, the utility model discloses a reinforced tear-resistant corrugated board, which comprises an upper corrugated paper layer;

a core board layer glued at the center of the lower side of the upper corrugated paper layer;

the pressing part is glued to the lower side edge of the upper corrugated paper layer, the section of the pressing part is Z-shaped, the pressing part comprises an outer ring edge part and an inner ring edge part, the outer ring edge part is glued to the upper corrugated paper layer, and the inner ring edge part is glued to the lower side of the core board layer;

an epoxy sealing layer glued to the lower side of the pressing piece, and epoxy sealing glue is filled between the epoxy sealing layer and the core plate layer;

a lower corrugated paper layer glued to the underside of the epoxy skin layer; and

kraft paper glued on the outer sides of the upper corrugated paper layer and the lower corrugated paper layer respectively.

According to an embodiment of the present utility model, the upper corrugated paper layer and the lower corrugated paper layer are both provided as double-layered corrugations.

According to an embodiment of the utility model, the core layer is provided as a 2mm thick cardboard.

According to an embodiment of the present utility model, the pressing part is configured as a carbon fiber insert sheet, and the thickness is 1.5-2.5mm.

According to an embodiment of the present utility model, the pressing part is an aluminum insert sheet, and the thickness is 0.5-1.5mm.

According to one embodiment of the utility model, the upper outer ring of the epoxy sealing layer is protruded and stopped against the edge of the outer ring, and the lower side is horizontal.

Compared with the prior art, the utility model can obtain the following technical effects:

through setting up preforming portion in the middle of upper and lower corrugated paper layer, the frame form surrounds, protects the cardboard edge, strengthens the ability of tearing, covers in the middle of simultaneously and establishes sandwich panel layer and epoxy envelope layer, strengthens compressive capacity, improves cardboard intensity and durability.

Of course, it is not necessary for any one product embodying the utility model to achieve all of the technical effects described above at the same time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of a reinforced tear resistant corrugated paperboard of an embodiment of the utility model.

Reference numerals

An upper corrugated paper layer 10, a core plate layer 20, a tabletting part 30, an epoxy sealing layer 40, an epoxy sealing glue 50, a lower corrugated paper layer 60 and kraft paper 70.

Detailed Description

The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Referring to fig. 1, fig. 1 is a schematic view of a reinforced tear-resistant corrugated board according to an embodiment of the present utility model. As shown, a reinforced tear resistant corrugated board includes an upper corrugated paper layer 10; a core board layer 20 glued to the center of the lower side of the upper corrugated paper layer 10; a pressing part 30 glued to the lower side edge of the upper corrugated paper layer 10, the pressing part 30 having a Z-shaped cross section, including an outer ring edge part glued to the upper corrugated paper layer 10 and an inner ring edge part glued to the lower side of the core plate layer 20; an epoxy sealing layer 40 glued to the lower side of the tabletting part 30, and an epoxy sealing glue 50 is filled between the epoxy sealing layer 40 and the core plate layer 20; a lower corrugated paper layer 60 glued to the underside of the epoxy skin layer 40; and kraft paper 70 glued to the outer sides of the upper corrugated paper layer 10 and the lower corrugated paper layer 60, respectively.

In one embodiment of the present utility model, the reinforced tear-resistant corrugated board is mainly used for carrying goods, wherein the upper corrugated board layer 10 and the lower corrugated board layer 60 are respectively arranged on the upper side and the lower side to form buffering compression resistance. The core board layer 20 is arranged at the central part of the upper corrugated paper layer 10, a space with 3-6cm of edge is reserved for gluing the pressing sheet part 30, the pressing sheet part 30 is in a Z-shaped frame shape, the outer ring edge part is pressed on the upper corrugated paper layer 10, the inner ring edge part is bent and extended, and the core board layer 20 is pressed and covered to form edge pressing protection, and the Z-shaped design has stronger positioning property, difficult movement and better stability.

An epoxy sealing layer 40 is attached to the underside of the lamination portion 30, and an epoxy sealing glue 50 is filled between the epoxy sealing layer and the core layer 20 to enhance sealing and cushioning. Further, the outer ring of the upper side of the epoxy sealing layer 40 is protruded so as to stop against the edge of the outer ring, so that the generation of gaps is avoided, the sealing effect is affected, the lower side of the epoxy sealing layer 40 is horizontal, and the lower corrugated paper layer 60 is fully adhered to complete gluing.

Kraft paper 70 is glued to the inner and outer sides of the paperboard body to provide abrasion and tear resistance, oleophobic and waterproof properties.

In a preferred embodiment, both the upper corrugated paper layer 10 and the lower corrugated paper layer 60 are provided as double-layered corrugations, providing double-layered cushioning resistance to compression.

Preferably, the core layer 20 is provided as a 2mm thick paperboard, which is sufficiently compression resistant.

The pressed sheet part 30 of the present utility model is provided as a carbon fiber insert sheet, has high strength, and has a thickness of 1.5-2.5mm, and has enhanced tear resistance. In another embodiment, the tabletting portion 30 is provided as an aluminum insert with a high hardness and a thickness of 0.5-1.5mm.

In summary, the pressing sheet part is arranged between the upper corrugated paper layer and the lower corrugated paper layer, the edge of the paperboard is protected by surrounding in a frame shape, the tearing resistance is enhanced, meanwhile, the sandwich board layer and the epoxy sealing layer are covered in the middle, the pressure resistance is enhanced, and the strength and the durability of the paperboard are improved.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A reinforced tear resistant corrugated board, comprising:

a corrugated paper layer is arranged on the upper part;

a core board layer glued to the center of the lower side of the upper corrugated paper layer;

the pressing part is glued to the edge of the lower side of the upper corrugated paper layer, the section of the pressing part is Z-shaped, the pressing part comprises an outer ring edge part and an inner ring edge part, the outer ring edge part is glued to the upper corrugated paper layer, and the inner ring edge part is glued to the lower side of the core plate layer;

an epoxy sealing layer glued to the lower side of the pressing piece, wherein epoxy sealing glue is filled between the epoxy sealing layer and the core plate layer;

kraft paper glued to the outer sides of the upper and lower corrugated paper layers, respectively.

2. The reinforced tear resistant corrugated board of claim 1, wherein the upper corrugated paper layer and the lower corrugated paper layer are both provided as double-layer corrugations.

3. The reinforced tear resistant corrugated board of claim 1, wherein the core layer is provided as a 2mm thick board.

4. The reinforced tear resistant corrugated board of claim 1, wherein the tab portion is provided as a carbon fiber insert having a thickness of 1.5-2.5mm.

5. The reinforced tear resistant corrugated board of claim 1, wherein the tab portion is provided as an aluminum insert sheet having a thickness of 0.5-1.5mm.

6. The reinforced tear resistant corrugated board of claim 1, wherein the epoxy skin layer upper side outer collar is raised against the outer collar edge portion, the underside being level.