CN219260587U

CN219260587U - Corrugated board resistant to tearing and bending

Info

Publication number: CN219260587U
Application number: CN202320053118.5U
Authority: CN
Inventors: 刘浩; 蒋海建
Original assignee: Zhejiang Yuanjia Packaging Technology Co ltd
Current assignee: Zhejiang Yuanjia Packaging Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-27
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of corrugated boards, and discloses a tearing-bending-resistant corrugated board which comprises first facial tissues and second facial tissues, wherein a reinforcing component is connected to one side opposite to the first facial tissues and the second facial tissues, and comprises a moisture-proof layer, a connecting layer, a core paper layer, a central layer, elastic ribs, reinforcing ribs and reinforcing strips. This anti crooked corrugated container board that tears provides good heat resistance, water resistance, insulativity and good outward appearance through first facial tissue and second facial tissue all being synthetic fiber paper for corrugated container board's aesthetic degree and water resistance obtain promoting, provide fire-retardant and dampproofing scheduling function for corrugated container board through dampproof course for impregnated paper, reduce the harm of moisture to corrugated container board, also possess wear-resisting, shock resistance and deformation resistance's superior performance simultaneously, prolonged corrugated container board's life, and be kraft paper through the tie layer, make corrugated container board's tear resistance, pliability and bursting strength obtain improving, tear resistance increases.

Description

Corrugated board resistant to tearing and bending

Technical Field

The utility model relates to the technical field of corrugated boards, in particular to a tearing-bending-resistant corrugated board.

Background

The corrugated board is a composite board formed by bonding one or more layers of corrugated paper between a plurality of layers of paper or paper boards, is mostly used for manufacturing corrugated boxes, has the characteristics of good buffering and compression resistance and the like due to low price, is easy to process, and is widely applied to product packaging.

Through searching, the corrugated board with the Chinese patent number of CN202023002158.2 is composed of two layers of paper cores, paper panels, stress belts and backing paper layers, has lower structural strength, is difficult to adapt to high-strength mechanical impact, has smaller adaptation surface and is easy to deform, bend and damage, and meanwhile, the overall supporting strength of the corrugated board is greatly reduced after the corrugated board is wetted, so that the service life of the corrugated board is shortened, and the problem is solved by providing the corrugated board with tear and bending resistance.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the tearing and bending resistant corrugated board with the advantages of moisture resistance, wear resistance, high supporting strength and the like.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the corrugated board comprises first facial tissues and second facial tissues, wherein the opposite sides of the first facial tissues and the second facial tissues are connected with reinforcing components;

the reinforced assembly comprises a moisture-proof layer, a connecting layer, a core paper layer, a center layer, elastic ribs, reinforcing ribs and reinforcing strips, wherein the moisture-proof layer is connected to opposite sides of the first facial tissue and the second facial tissue, the connecting layer is arranged on opposite sides of the moisture-proof layer, the core paper layer is connected to opposite sides of the connecting layer, the center layer is connected to one side of the core paper layer at a point, the elastic ribs with the number of not less than seven are connected to the outer surface of the core paper layer, the reinforcing ribs with the number of not less than two are arranged in the core paper layer, and the reinforcing strips are arranged in the center layer.

Further, the first facial tissue and the second facial tissue are both synthetic fiber paper layers, and the moisture-proof layer is an impregnated paper layer.

Further, the connecting layer is a kraft paper layer, and the central layer is a ceramic fiber paper layer.

Further, the core paper layer is wavy, and the two reinforcing ribs penetrate through the core paper layer and extend to the outside of the core paper layer.

Further, the inside of central layer has seted up the cavity, the reinforcement strip is located the cavity inside.

Further, the elastic ribs and the reinforcing ribs are arranged in a crisscross mode, and arc-shaped elastic strips are arranged at the joints of the core paper layer, the connecting layer and the central layer.

(III) beneficial effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this anti crooked corrugated container board that tears provides good heat resistance, water resistance, insulativity and good outward appearance through first facial tissue and second facial tissue all being synthetic fiber paper for corrugated container board's aesthetic degree and water resistance obtain promoting, provide fire-retardant and dampproofing scheduling function for corrugated container board through dampproof course for impregnated paper, reduce the harm of moisture to corrugated container board, also possess wear-resisting, shock resistance and deformation resistance's superior performance simultaneously, prolonged corrugated container board's life, and be kraft paper through the tie layer, make corrugated container board's tear resistance, pliability and bursting strength obtain improving, improved corrugated container board's tear resistance.

2. This anti crooked corrugated container board of tearing utilizes its texture flexibility, the good characteristics of tear resistance to further improve corrugated container board's ability of tearing through the central layer for ceramic fiber paper, simultaneously utilize elastic rib and strengthening rib to be crisscross setting for the bending resistance of corrugated container board upper and lower two sides has all obtained to improve by a wide margin, and the reinforcement strip is located the inside of central layer, corrugated container board's life has been prolonged, further improved corrugated container board's ability of resisting bending and tearing, structural strength is lower in having solved the comparison file, be difficult to adapt to strong mechanical impact, the adaptation face is less, the easy deformation is buckled and is damaged, corrugated container board also can greatly reduced at the holistic supporting strength after the wet simultaneously, life's problem has been shortened.

Drawings

FIG. 1 is a schematic view of a partial three-dimensional structure of the present utility model;

FIG. 2 is a partial front cross-sectional view of the present utility model;

fig. 3 is an enlarged view of fig. 2 a in accordance with the present utility model.

In the figure: 1 first facial tissue, 2 second facial tissue, 3 reinforcing components, 301 moisture barrier, 302 connecting layer, 303 core paper layer, 304 center layer, 305 elastic rib, 306 reinforcing rib, 307 reinforcing strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a tear-bending resistant corrugated board in this embodiment includes a first sheet 1 and a second sheet 2, and a reinforcing component 3 is connected to opposite sides of the first sheet 1 and the second sheet 2.

In fig. 2 and 3, the reinforcing component 3 is composed of seven components, such as a moisture-proof layer 301, a connecting layer 302, a core paper layer 303, a central layer 304, elastic ribs 305, reinforcing ribs 306 and reinforcing strips 307, so as to improve the strength, bending resistance, deformation resistance and tearing resistance of corrugated paper boards, wherein the moisture-proof layer 301 is connected to opposite sides of the first face paper 1 and the second face paper 2, the connecting layer 302 is arranged on opposite sides of the two moisture-proof layers 301, kraft paper is used for improving the tearing resistance, the core paper layers 303 are connected to opposite sides of the two connecting layers 302, the corrugated paper boards are wavy, the bending resistance is improved by using arc-shaped elastic strips, the central layer 304 is connected to one side of the two core paper layers 303, the tearing resistance is improved by using ceramic fiber paper, the number of the elastic ribs 305 is not less than seven, the cylindrical alloy spring steel is used for improving the bending resistance of the corrugated paper boards, the bending resistance of the core paper layers 303 is arranged inside the corrugated paper layers, the reinforcing ribs 306 not less than two are arranged inside the corrugated paper layers, the kraft paper boards are used for improving the bending resistance of the corrugated paper boards, the bending resistance is the corrugated paper boards, the corrugated paper boards are provided with the bending resistance is improved, the inner fiber paper layers 307, and the corrugated paper is provided with the bending resistance is provided with the bending fiber materials.

In fig. 2 and 3, a space and a position are provided for accommodating the reinforcing strip 307 by the cavity so that the reinforcing strip 307 plays a reinforcing role, and strength of the corrugated board is enhanced so that bending resistance of the corrugated board is enhanced.

In fig. 2 and 3, the bending resistance of the corrugated board is improved by the crisscross arrangement of the elastic ribs 305 and the reinforcing ribs 306, the strength of the reinforcing ribs 306 is improved, and the elasticity of the elastic ribs 305 can provide a reverse force to resist when bending, so that the bending difficulty of the corrugated board is improved.

In practice, the method is carried out according to the following steps:

the first facial tissue 1 and the second facial tissue 2 are both synthetic fiber papers, so that excellent heat resistance, water resistance, insulativity and appearance of the corrugated board are provided, the appearance of the corrugated board is tidier, the elastic ribs 305 are cylindrical alloy spring steel, the bending resistance of the corrugated board is increased by using elasticity, the reinforcing ribs 306 are made of kraft paper, the reinforcing ribs 305 are arranged in a crisscross manner, the tearing resistance of the corrugated board is improved, meanwhile, the reinforcing strips 307 are made of sugarcane fiber materials, the strength, wear resistance and bending resistance of the corrugated board can be greatly improved, and the service life of the corrugated board is prolonged.

In summary, this tear-resistant crooked corrugated container board, through first facial tissue 1 and second facial tissue 2 all being synthetic fiber paper, provide good heat resistance, water resistance, insulating nature and good outward appearance nature, make corrugated container board's aesthetic degree and water resistance obtain promoting, provide fire-retardant and dampproofing etc. functions for corrugated container board through dampproof course 301, reduce the harm of moisture to corrugated container board, also possess wear-resisting, shock resistance and deformation resistance's good performance simultaneously, prolonged corrugated container board's life, and be kraft paper through the tie layer 302, make corrugated container board's tear resistance, pliability and bursting strength obtain improving, the tear resistance of corrugated container board has been improved.

Moreover, the central layer 304 is made of ceramic fiber paper, the tearing resistance of the corrugated board is further improved by utilizing the characteristics of flexible texture and good tearing resistance, and the elastic ribs 305 and the reinforcing ribs 306 are arranged in a criss-cross manner, so that the bending resistance of the upper surface and the lower surface of the corrugated board is greatly improved, the reinforcing strips 307 are positioned in the central layer 304, the service life of the corrugated board is prolonged, the bending resistance and the tearing resistance of the corrugated board are further improved, the problems that the structural strength in a comparison document is low, the adaptation to high-strength mechanical impact is difficult, the adaptation surface is small, the corrugated board is easy to deform and bend and damage, and the whole supporting strength of the corrugated board is also greatly reduced and the service life is shortened after the corrugated board is wetted are solved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tear bending resistant corrugated container board, includes first facial tissue (1) and second facial tissue (2), its characterized in that: the opposite sides of the first facial tissue (1) and the second facial tissue (2) are connected with a reinforcing component (3);

the utility model provides a reinforcing component (3) is including dampproof course (301), tie layer (302), core ply (303), central layer (304), elastic rib (305), strengthening rib (306) and reinforcement strip (307), all be connected with dampproof course (301) on the opposite side of first facial tissue (1) and second facial tissue (2), two tie layer (302) are all installed to the opposite side of dampproof course (301), two the opposite side of tie layer (302) all is connected with core ply (303), two the point pair one side of core ply (303) is connected with central layer (304), two the surface of core ply (303) all is connected with seven or more elastic rib (305), the reinforcing rib (306) that is not less than two in quantity are all installed to the inside of core ply (303), the internally mounted of central layer (304) has reinforcement strip (307).

2. A tear-bending resistant corrugated board according to claim 1, wherein: the first facial tissue (1) and the second facial tissue (2) are both synthetic fiber paper layers, and the moisture-proof layer (301) is an impregnated paper layer.

3. A tear-bending resistant corrugated board according to claim 1, wherein: the connecting layer (302) is a kraft paper layer, and the central layer (304) is a ceramic fiber paper layer.

4. A tear-bending resistant corrugated board according to claim 1, wherein: the core paper layer (303) is wavy, and the two reinforcing ribs (306) penetrate through the core paper layer (303) and extend to the outside of the core paper layer (303).

5. A tear-bending resistant corrugated board according to claim 1, wherein: the inside of the central layer (304) is provided with a cavity, and the reinforcing strips (307) are positioned in the cavity.

6. A tear-bending resistant corrugated board according to claim 1, wherein: the elastic ribs (305) and the reinforcing ribs (306) are arranged in a crisscross mode, and arc-shaped elastic strips are arranged at the connecting positions of the core paper layer (303) and the connecting layer (302) and the central layer (304).