Corrugated board with waterproof surface

By designing magnetic label placement grooves and protective frames on corrugated cardboard, combined with moisture absorbent rods and waterproof films, the problem of label wear during transportation is solved, extending the label service life and improving the waterproof performance and structural stability of the carton.

CN222834663UActive Publication Date: 2025-05-06ZHEJIANG YINGXIANG PACKAGING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421928969.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-05-06
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

Existing corrugated cardboard labels are susceptible to friction and wear during transportation, resulting in a shorter label life and no external protection of the label is considered.

Method used

A surface waterproof corrugated cardboard is designed, with magnetic labels placed grooves and protective frames, the label paper is fixed by magnets, and the protective frame is raised on the outside to prevent label paper from wear. At the same time, the inner paper layer is equipped with a moisture absorbent rod and a waterproof film to control humidity and waterproof.

Benefits of technology

It effectively extends the service life of label paper, simplifies the replacement and protection of label paper through the design of magnetic fixing and protection frame, increases the structural stability and shock resistance of cardboard, and ensures that the carton provides good protection in harsh environments through the dual protection of moisture absorbing rods and waterproof films.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222834663U_ABST
    Figure CN222834663U_ABST
Patent Text Reader

Abstract

The utility model provides a corrugated board with a waterproof surface, which relates to the technical field of corrugated boards and comprises an outer paper layer, core paper is fixedly mounted on the bottom surface of the outer paper layer, an inner paper layer is fixedly mounted on the bottom surface of the core paper, a label placing groove and an inserting groove are arranged on the top surface of the outer paper layer, an inserting rod is inserted into the inner wall of the inserting groove, and the inserting rod is fixedly mounted on the inner wall of the inserting groove. And a protection frame is fixedly mounted at the top end of the insertion rod. The label paper can be conveniently replaced and protected by arranging the magnetic label placing groove and the protection frame, the fixing and replacing process of the label paper is simplified by using the magnet, and the protection frame protrudes outside, so that the label paper can be prevented from being directly abraded in the transportation process, the service life of the label paper is prolonged, and the label paper is convenient to replace and protect. And the requirements for easy maintenance and recovery are considered in the design of the protection frame, a worker can simply pull the protection frame and easily disassemble or assemble the protection frame through a slot mechanism, and therefore replacement of the protection frame is facilitated, and recycling of the carton is facilitated.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated paperboards, in particular to a corrugated paperboard with waterproof surface. Background Art

[0002] Corrugated cardboard is a multi-layer adhesive body, which is composed of at least one layer of corrugated core paper and one layer of cardboard. The general corrugated cardboard includes an inner paper layer, a core paper and an outer paper layer. The core paper is sandwiched between the inner paper layer and the outer paper layer. It has high mechanical strength and can withstand collisions and falls during transportation.

[0003] Publication No. CN205009710U discloses a corrugated paperboard, including an inner paper layer, a core paper and an outer paper layer, wherein the core paper is sandwiched between the inner paper layer and the outer paper layer, and a label area is provided on the outer paper layer, and a clamping assembly for clamping the label is provided at the label area. Although this type of corrugated paperboard achieves the effect of conveniently replacing labels after being made into cartons, this type of corrugated paperboard does not take into account the external protection of the label, resulting in the label being easily subjected to direct friction and wear during transportation, thereby shortening the service life of the label. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the following technical scheme: a surface waterproof corrugated paperboard, comprising an outer paper layer, a core paper is fixedly installed on the bottom surface of the outer paper layer, an inner paper layer is fixedly installed on the bottom surface of the core paper, a label placement groove and a slot are opened on the top surface of the outer paper layer, an insertion rod is inserted into the inner wall of the slot, a protection frame is fixedly installed on the top end of the insertion rod, a rubber ring is fixedly installed on the inner wall of the slot, an iron sheet is fixedly installed on the inner wall of the slot, and a magnet is placed on the top surface of the iron sheet.

[0006] Preferably, the rubber ring is made of natural rubber, and the rubber ring fits the plug rod.

[0007] Preferably, the protection frame is made of PP plastic, and the core papers are arranged at equal distances on the bottom surface of the outer paper layer.

[0008] Preferably, the bottom surface of the protection frame is provided with buckle grooves, and the buckle grooves are symmetrically distributed on the bottom surface of the protection frame, so that the protection frame can be buckled out conveniently.

[0009] Preferably, a handle is fixedly mounted on the top surface of the magnet, and the surface of the handle is provided with grooves arranged in a circumferential shape, so that the magnet can be pulled conveniently.

[0010] Preferably, a moisture absorbing rod is fixedly mounted on the top surface of the inner paper layer, and a film is fixedly mounted on the bottom surface of the inner paper layer. Here, the waterproof effect can be improved.

[0011] Preferably, the material of the moisture absorbing rod is silica gel, and the film is PE.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. The utility model can conveniently replace and protect label paper by providing a magnetic label placement slot and a protection frame. The use of magnets simplifies the process of fixing and replacing label paper, and the protection frame is raised on the outside, which can prevent the label paper from being directly worn during transportation, thereby extending the service life of the label paper. The design of the protection frame takes into account the needs of easy maintenance and recycling. The staff can simply pull the protection frame and easily remove or install the protection frame through the slot mechanism, which not only facilitates the replacement of the protection frame, but also is conducive to the recycling of cartons. Through the friction fixing mechanism of the rubber ring and the plug rod, the protection frame can be firmly fixed on the corrugated cardboard, which increases the stability and shock resistance of the structure and reduces the damage caused by collision or bumps during transportation.

[0014] 2. The utility model can effectively control the humidity of the environment inside the corrugated paper box by adding a moisture-absorbing rod that can absorb moisture into the corrugated paper box. This is particularly important for packaging and transporting items that are sensitive to moisture, such as electronic products, food and medicines, thereby protecting the goods from damage caused by moisture. The PE film, as a waterproof layer, can effectively prevent moisture from penetrating into the interior of the carton. The PE film not only has good waterproof performance, but also has certain wear resistance and tear resistance, so that the carton can provide good protection even in harsh environments. The dual protection of the moisture-absorbing rod and the PE film can effectively maintain the waterproof effect of the carton, and the practicality is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a corrugated paperboard with waterproof surface is provided for the utility model;

[0016] Figure 2 The utility model provides a top-view exploded view of a corrugated paperboard with waterproof surface;

[0017] Figure 3 The utility model proposes a surface waterproof corrugated paperboard Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 A schematic diagram of a protective frame in a corrugated cardboard with a waterproof surface is provided for the utility model;

[0019] Figure 5The utility model provides a cross-sectional view of a corrugated paperboard with waterproof surface.

[0020] Legend:

[0021] 1. Outer paper layer; 2. Core paper; 3. Inner paper layer; 4. Label placement slot; 5. Slot; 6. Insert rod; 7. Protective frame; 8. Rubber ring; 9. Iron sheet; 10. Magnet; 11. Buckle slot; 12. Pull handle; 13. Groove; 14. Desiccant rod; 15. Film. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1

[0025] See also Figure 1-5 The utility model provides a technical solution: a corrugated paperboard with waterproof surface, comprising an outer paper layer 1, a core paper 2 is fixedly installed on the bottom surface of the outer paper layer 1, and the core paper 2 is arranged at an equal distance on the bottom surface of the outer paper layer 1, and an inner paper layer 3 is fixedly installed on the bottom surface of the core paper 2. The fixation of the core paper 2 can be achieved by an adhesive such as an environmentally friendly water-based adhesive or by a hot pressing process to maintain the overall stability and durability of the paperboard. A label placement groove 4 and a slot 5 are opened on the top surface of the outer paper layer 1, and a plug rod 6 is inserted into the inner wall of the slot 5, and a protective frame 7 is fixedly installed on the top of the plug rod 6. The fixing of the protective frame 7 can be achieved by sliding fit or snap connection, which is convenient for easy disassembly when replacement or maintenance is required. The bottom surface of the protective frame 7 is opened with buckle grooves 11, and the buckle grooves 11 are symmetrically distributed on the bottom surface of the protective frame 7. The material of the protective frame 7 is PP plastic, which is wear-resistant and light, increases the service life of the product and is easy to handle.

[0026] See also Figure 1-5A rubber ring 8 is fixedly installed on the inner wall of the slot 5. The material of the rubber ring 8 is natural rubber, and the rubber ring 8 fits with the plug 6. This configuration increases the stability of the plug 6 through friction to prevent loosening caused by vibration or collision during transportation. An iron sheet 9 is fixedly installed on the inner wall of the slot 5. A magnet 10 is placed on the top surface of the iron sheet 9. A handle 12 is fixedly installed on the top surface of the magnet 10. The surface of the handle 12 is provided with grooves 13 arranged in a circular shape. The material used for the handle 12 can be reinforced plastic or metal, which enhances the durability of the handle and the comfort of the user.

[0027] Embodiment 2

[0028] See also Figure 5 The top surface of the inner paper layer 3 is fixedly mounted with a moisture absorbing rod 14, which is made of silica gel, and the film 15 is made of PE material, and the bottom surface of the inner paper layer 3 is fixedly mounted with the film 15. The moisture absorbing rod 14 is fixed to the inner paper layer 3 by double-sided tape or adhesive, which is simple and low-cost, and effectively fixes the moisture absorbing rod 14 in the desired position to maximize its moisture absorption effect. The installation of the PE film 15 can be heat-sealed to ensure the seal between the film 15 and the paperboard to prevent moisture from penetrating into the carton.

[0029] Working principle: the label placement slot 4 is set to be able to put label paper. After the label paper is put into the label placement slot 4, it is only necessary to place the magnet 10 on the label paper. Then, due to the effect of magnetic force, the magnet 10 can absorb the iron sheet 9. At this time, the label paper can be fixed in the label placement slot 4 by squeezing the magnet 10. The type of product loaded can be conveniently marked by the label paper, and the protective frame 7 is raised outside. When transporting goods, it can prevent the label paper from being directly worn by the outside world. The protective frame 7 can be worn first. When the protective frame 7 needs to be replaced or the corrugated box needs to be scrapped and the protective frame 7 needs to be recycled, the staff only needs to pull the protective frame 7 outwards, and the protective frame 7 is then The plug rod 6 can be driven to leave the slot 5, and the protection frame 7 can be removed at this time. When the protection frame 7 needs to be installed, it is only necessary to insert the plug rod 6 under the protection frame 7 into the slot 5, and then the plug rod 6 can be fixed in position by rubbing the rubber ring 8 to fix the protection frame 7. The utility model can facilitate the replacement and protection of label paper by setting a magnetic label placement slot 4 and a protection frame 7. The use of the magnet 10 simplifies the process of fixing and replacing the label paper, and the protection frame 7 is raised on the outside, which can prevent the label paper from being directly worn during transportation, thereby extending the service life of the label paper, and the design of the protection frame 7 takes into account the needs of easy maintenance and recycling. The staff can simply pull the protection frame 7 and easily remove or install the protection frame 7 through the slot 5 mechanism, which is not only convenient for replacing the protection frame 7, but also conducive to the recycling of the carton. The protection frame 7 can be firmly fixed on the corrugated cardboard through the friction fixing mechanism of the rubber ring 8 and the plug 6, which increases the stability and shock resistance of the structure and reduces the damage caused by collision or bumps during transportation. The moisture-absorbing rod 14 can absorb moisture, which can effectively protect the moisture-sensitive goods in the corrugated cardboard box. The film 15 made of PE material can block water to the maximum extent and achieve a waterproof effect. The utility model can effectively control the humidity of the environment inside the corrugated paper box by adding a moisture-absorbing rod 14 that can absorb moisture into the corrugated paper box. This is particularly important for packaging and transporting items that are sensitive to moisture, such as electronic products, food and medicines, thereby protecting the goods from damage caused by moisture. The PE film 15, as a waterproof layer, can effectively prevent moisture from penetrating into the interior of the carton. The PE film 15 not only has good waterproof performance, but also has certain wear resistance and tear resistance, so that the carton can provide good protection even in harsh environments. The dual protection of the moisture-absorbing rod 14 and the PE film 15 can effectively maintain the waterproof effect of the carton.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A surface waterproof corrugated paperboard, comprising an outer paper layer (1), characterized in that: The bottom surface of the outer paper layer (1) is fixedly mounted with a core paper (2), the bottom surface of the core paper (2) is fixedly mounted with an inner paper layer (3), the top surface of the outer paper layer (1) is provided with a label placement groove (4) and a slot (5), the inner wall of the slot (5) is provided with an insertion rod (6), the top of the insertion rod (6) is fixedly mounted with a protective frame (7), the inner wall of the slot (5) is fixedly mounted with a rubber ring (8), the inner wall of the slot (5) is fixedly mounted with an iron sheet (9), and the top surface of the iron sheet (9) is provided with a magnet (10).

2. The surface waterproof corrugated paperboard according to claim 1, characterized in that: The material of the rubber ring (8) is natural rubber, and the rubber ring (8) fits the plug rod (6).

3. The surface waterproof corrugated paperboard according to claim 1, characterized in that: The material of the protection frame (7) is PP plastic, and the core paper (2) is arranged at equal distances on the bottom surface of the outer paper layer (1).

4. The surface waterproof corrugated paperboard according to claim 1, characterized in that: The bottom surface of the protection frame (7) is provided with buckle grooves (11), and the buckle grooves (11) are symmetrically distributed on the bottom surface of the protection frame (7).

5. The surface waterproof corrugated paperboard according to claim 1, characterized in that: A pull handle (12) is fixedly mounted on the top surface of the magnet (10), and a surface of the pull handle (12) is provided with grooves (13) arranged in a circumferential shape.

6. The surface waterproof corrugated paperboard according to claim 1, characterized in that: A moisture absorbing rod (14) is fixedly mounted on the top surface of the inner paper layer (3), and a film (15) is fixedly mounted on the bottom surface of the inner paper layer (3).

7. The surface waterproof corrugated paperboard according to claim 6, characterized in that: The material of the moisture absorbing rod (14) is silica gel, and the film (15) is PE material.

Citation Information

Patent Citations

  • Corrugated board

    CN205009710U