Tear-resistant honeycomb packaging carton

By introducing the design of honeycomb layer, adhesive strip and anti-tear film into the carton, the problem of weak tear resistance at the folds of corrugated cardboard cartons is solved, and the overall structural strength and tear resistance of the carton are improved.

CN223371497UActive Publication Date: 2025-09-23ZHEJIANG HAOMAI PAPER CO LTD
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Patent Information

Application Number
CN202423009190.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-09-23
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The folds of existing corrugated cardboard cartons have weak tear resistance and are easily damaged.

Method used

The honeycomb layer structure and adhesive strip design are combined with the wrapping layer and anti-tear film to enhance the tear resistance of the carton.

Benefits of technology

The tearing resistance, compression resistance and tensile strength of the carton are improved, the structural strength of the honeycomb paperboard is enhanced, and the problem of easy tearing at the crease is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of packaging cartons, in particular to a tear-resistant honeycomb packaging carton which comprises a rear plate, a left side plate, a right side plate, a front plate and a bottom plate, bending portions are arranged on four edges of the rear plate, the left side plate is connected with the bending portion of the left side edge of the rear plate, and the right side plate is connected with the bending portion of the right side edge of the rear plate. The bottom plate is connected with a bending part at the bottom of the rear plate, the rear plate comprises a first honeycomb layer, a first front wrapping layer is adhered to one side of the first honeycomb layer, a first rear wrapping layer is adhered to the other side of the first honeycomb layer, the bending part comprises a second honeycomb layer and an adhesive tape, a second front wrapping layer is adhered to one side of the second honeycomb layer, and a second rear wrapping layer is adhered to the other side of the second honeycomb layer. And the adhesive tape is adhered in the honeycomb structure of the second honeycomb layer. According to the utility model, the structural strength is improved by arranging the first honeycomb layer, and the tear resistance is improved by arranging the adhesive tape, so that the honeycomb paper box not only has the strength of a honeycomb paperboard, but also improves the condition that the bent part of a common corrugated paper box is easy to tear.
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Description

Technical Field

[0001] The utility model relates to the field of packaging cartons, in particular to a tear-resistant honeycomb packaging carton. Background Art

[0002] Corrugated paper is made by gluing together liner paper and corrugated paper formed by corrugating rollers. It is generally divided into single-corrugated and double-corrugated cardboard. Conventional packaging cartons are often made of corrugated cardboard. However, these cartons are often pre-fabricated with creases to facilitate folding. This makes the creases thinner and damages the corrugated structure, resulting in weak tear resistance at the creases.

[0003] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a tear-resistant honeycomb packaging carton. This utility model is achieved through the following technical solutions:

[0005] A tear-resistant honeycomb packaging carton, comprising a back panel, a left side panel, a right side panel, a front panel and a bottom panel, wherein the four sides of the back panel are provided with bending portions, the left side panel is connected to the bending portion of the left side of the back panel, the right side panel is connected to the bending portion of the right side of the back panel, and the bottom panel is connected to the bending portion of the bottom of the back panel, the back panel comprises a first honeycomb layer, a first front wrapping layer is bonded to one side of the first honeycomb layer, and a first rear wrapping layer is bonded to the other side, the left side of the front panel is connected to the right side of the right panel, the structures of the left panel, right side panel, front panel and bottom panel are consistent with the structure of the back panel, the bending portion comprises a second honeycomb layer and a glue strip, a second front wrapping layer is bonded to one side of the second honeycomb layer, and a second rear wrapping layer is bonded to the other side, and the glue strip is bonded to the honeycomb structure of the second honeycomb layer.

[0006] In the above technical solution: the back panel, left panel, right panel, front panel and bottom panel together constitute the main structure of the carton; the setting of the bending part makes it more convenient to fold according to the predetermined form; the setting of the first honeycomb layer is used to improve the compressive strength of the structure; the setting of the first front wrapping layer and the first rear wrapping layer improves the tearing resistance and tensile strength; the setting of the second honeycomb layer makes the compressive resistance of the bending part better; the setting of the second front wrapping layer and the second rear wrapping layer improves the tensile and tearing resistance of the bending part; the setting of the rubber strip can avoid damage to the honeycomb structure and further improve the tearing resistance.

[0007] The present invention is further configured as follows: a first cover plate is provided on the top of the rear plate, and a second cover plate is provided on the top of the front plate.

[0008] In the above technical solution: the first cover plate and the second cover plate are used to form a cover of the carton to seal the carton.

[0009] The present invention is further configured as follows: first connecting plates are further provided on both sides of the bottom plate, the first connecting plate on one side is bonded to the bottom of the right side plate, and the first connecting plate on the other side is transferred to the bottom of the left side plate.

[0010] In the above technical solution, the provision of the first connecting plate makes the bonding of the bottom plate and the right side plate or the bottom plate and the left side plate simpler and stronger.

[0011] The present invention is further configured as follows: a second connecting plate is provided on the left side of the left side plate, and the second connecting plate is bonded to the right side of the front plate.

[0012] In the above technical solution: the provision of the second connecting plate makes the connection between the left side plate and the front plate simpler and more secure.

[0013] The present invention is further configured to include an anti-tear film, which covers the first front wrapping layer and the second front wrapping layer.

[0014] In the above technical solution: the provision of the anti-tear film further improves the overall tear resistance of the carton.

[0015] The present invention is further configured as follows: the first honeycomb layer includes a plurality of bonded hexagonal first hollow columns.

[0016] The present invention is further configured as follows: the second honeycomb layer includes a plurality of hexagonal second hollow columns bonded together, and the adhesive strips are bonded to the inner wall surfaces of the second hollow columns.

[0017] In the above technical solution: the rubber strip is bonded to the inner wall surface of the second hollow column, so that the rubber strip can not only improve the tear resistance, but also further improve the compressive resistance of the second hollow column and improve the strength of the bending portion.

[0018] The present invention is further configured as follows: the cross-sectional size of the second hollow column is smaller than the cross-sectional size of the first hollow column.

[0019] In the above technical solution, the cross-sectional dimension of the second hollow column is smaller than that of the first hollow column, so that the thickness of the bent portion is thinner, thereby making the bent portion significantly easier to fold.

[0020] The utility model discloses a tear-resistant honeycomb packaging carton. Compared with the prior art:

[0021] 1. The utility model improves the structural strength by providing a first honeycomb layer, and improves the tear resistance of the bend and other parts by providing a rubber strip. This makes the utility model have the strength of honeycomb paperboard and improves the problem of easy tearing at the bend of ordinary corrugated paperboard boxes.

[0022] 2. The present invention further improves the tear resistance of the carton by providing an anti-tear film. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a cross-sectional schematic diagram of the bent portion at the connection position between the rear panel and the right side panel of the present invention;

[0024] Figure 2 This is a schematic diagram of the present invention when it is unfolded and bonded.

[0025] The corresponding component names represented by the numbers and letters in the figure are: 10-rear plate; 101-first honeycomb layer; 101a-first hollow column; 102-first front wrapping layer; 103-first rear wrapping layer; 20-left side plate; 201-second connecting plate; 30-right side plate; 40-front plate; 50-bottom plate; 501-first connecting plate; 60-bending part; 601-second honeycomb layer; 601a-second hollow column; 602-rubber strip; 603-second front wrapping layer; 604-second rear wrapping layer; 70-first cover plate; 80-second cover plate; 90-anti-tear film. DETAILED DESCRIPTION

[0026] The following is a detailed description of an embodiment of the present invention. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process. However, the protection scope of the present invention is not limited to the following embodiment.

[0027] like Figure 1 and 2As shown, the utility model proposes a tear-resistant honeycomb packaging carton, comprising a back panel 10, a left side panel 20, a right side panel 30, a front panel 40 and a bottom panel 50, wherein the four sides of the back panel 10 are provided with a bending portion 60, the left side panel 20 is connected to the bending portion 60 on the left side of the back panel 10, the right side panel 30 is connected to the bending portion 60 on the right side of the back panel 10, and the bottom panel 50 is connected to the bending portion 60 at the bottom of the back panel 10, the back panel 10 comprises a first honeycomb layer 101, and a first honeycomb layer 101 is bonded to one side of the first honeycomb layer 101. A front wrapping layer 102 is bonded to the other side of a first rear wrapping layer 103. The left side of the front panel 40 is connected to the right side of the right side panel 30. The structures of the left side panel 20, right side panel 30, front panel 40, and bottom panel 50 are all consistent with those of the rear panel 10. The bent portion 60 includes a second honeycomb layer 601 and a rubber strip 602. The second honeycomb layer 601 is bonded to the second front wrapping layer 603 on one side and the second rear wrapping layer 604 on the other side. The rubber strip 602 is bonded within the honeycomb structure of the second honeycomb layer 601. The rear panel 10 and the front panel 40 have the same dimensions; the left side panel 20 and the right side panel 30 have the same dimensions; the rubber strip 602 has a hexagonal cross-section; and a second bent portion is provided at the connection between the front panel 40 and the right side panel 30. The structure of the second bent portion is consistent with that of the bent portion 60.

[0028] like Figure 1 and 2 As shown, the present invention proposes a tear-resistant honeycomb packaging carton. A first cover plate 70 is further provided on top of the rear panel 10, and a second cover plate 80 is provided on top of the front panel 40. The rear panel 10, left panel 20, right panel 30, front panel 40, bottom panel 50, first cover plate 70, and second cover plate 80 are integrally formed. The dimensions of the first cover plate 70 are consistent with those of the second cover plate 80, and their total area is no less than that of the bottom panel 50.

[0029] like Figure 1 and 2 As shown, the tear-resistant honeycomb packaging carton proposed by the present invention has first connecting panels 501 disposed on both sides of the bottom panel 50. The first connecting panel 501 on one side is bonded to the bottom of the right panel 30, and the first connecting panel 501 on the other side is connected to the bottom of the left panel 20. The first connecting panel 501 is in the shape of an isosceles trapezoid; a first connecting panel 501 may also be disposed on the lower side of the bottom panel 50.

[0030] like Figure 1 and 2As shown, the tear-resistant honeycomb packaging carton proposed by the present invention has a second connecting plate 201 provided on the left side of the left side panel 20, and the second connecting plate 201 is bonded to the right side of the front panel 40. The second connecting plate 201 is an isosceles trapezoid.

[0031] like Figure 1 and 2 As shown, the tear-resistant honeycomb packaging carton proposed by the present invention further includes an anti-tear film 90 , and the anti-tear film 90 covers the first front wrapping layer 102 and the second front wrapping layer 603 .

[0032] like Figure 1 and 2 As shown, the present invention proposes a tear-resistant honeycomb packaging carton, wherein the first honeycomb layer 101 includes a plurality of bonded hexagonal first hollow columns 101a.

[0033] like Figure 1 and 2 As shown, the tear-resistant honeycomb packaging carton proposed by the present invention comprises a second honeycomb layer 601 comprising a plurality of bonded hexagonal second hollow columns 601a, and a rubber strip 602 bonded to the inner wall surface of the second hollow columns 601a. ​​The dimensions of the rubber strip 602 correspond to the inner dimensions of the second hollow columns 601a.

[0034] like Figure 1 and 2 As shown, in the tear-resistant honeycomb packaging carton proposed by the present invention, the cross-sectional size of the second hollow column 601a is smaller than the cross-sectional size of the first hollow column 101a.

[0035] The working principle of this utility model is:

[0036] a) Fold the cardboard according to the position of the bending part;

[0037] b) after folding, gluing the first connecting panel and the second connecting panel together to form a carton;

[0038] c) When the bend is torn;

[0039] d) The tear-resistant film first provides tear resistance;

[0040] e) When the tear-proof film is damaged, the second honeycomb layer is torn;

[0041] f) The adhesive strip provides tear resistance.

[0042] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

[0043] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. A tear-resistant honeycomb packaging carton, characterized by: The invention comprises a rear panel (10), a left side panel (20), a right side panel (30), a front panel (40) and a bottom panel (50), wherein the four sides of the rear panel (10) are provided with bending portions (60), the left side panel (20) is connected to the bending portion (60) on the left side of the rear panel (10), the right side panel (30) is connected to the bending portion (60) on the right side of the rear panel (10), and the bottom panel (50) is connected to the bending portion (60) at the bottom of the rear panel (10), and the rear panel (10) comprises a first honeycomb layer (101), and a first front wrapping layer (102) is bonded to one side of the first honeycomb layer (101). , the other side is bonded with a first rear wrapping layer (103), the left side of the front panel (40) is connected to the right side of the right side panel (30), the structures of the left side panel (20), the right side panel (30), the front panel (40) and the bottom panel (50) are consistent with the structure of the rear panel (10), the bending portion (60) includes a second honeycomb layer (601) and a glue strip (602), one side of the second honeycomb layer (601) is bonded with a second front wrapping layer (603), and the other side is bonded with a second rear wrapping layer (604), and the glue strip (602) is bonded in the honeycomb structure of the second honeycomb layer (601).

2. The tear-resistant honeycomb packaging carton according to claim 1, characterized in that: A first cover plate (70) is further provided on the top of the rear plate (10), and a second cover plate (80) is provided on the top of the front plate (40).

3. The tear-resistant honeycomb packaging carton according to claim 2, characterized in that: First connecting plates (501) are also provided on both sides of the bottom plate (50), wherein the first connecting plate (501) on one side is bonded to the bottom of the right side plate (30), and the first connecting plate (501) on the other side is connected to the bottom of the left side plate (20).

4. The tear-resistant honeycomb packaging carton according to claim 3, characterized in that: A second connecting plate (201) is provided on the left side of the left side plate (20), and the second connecting plate (201) is bonded to the right side of the front plate (40).

5. The tear-resistant honeycomb packaging carton according to claim 2 or 4, characterized in that: It also includes a tear-proof film (90), which covers the first front wrapping layer (102) and the second front wrapping layer (603).

6. The tear-resistant honeycomb packaging carton according to claim 5, characterized in that: The first honeycomb layer (101) comprises a plurality of bonded hexagonal first hollow columns (101a).

7. The tear-resistant honeycomb packaging carton according to claim 6, characterized in that: The second honeycomb layer (601) includes a plurality of hexagonal second hollow columns (601a) bonded together, and the adhesive strip (602) is bonded to the inner wall surface of the second hollow column (601a).

8. The tear-resistant honeycomb packaging carton according to claim 7, characterized in that: The cross-sectional size of the second hollow column (601a) is smaller than the cross-sectional size of the first hollow column (101a).