Enhanced corrugated board
By introducing a reinforced support mechanism and multi-layer protective layer into the corrugated cardboard, the problem of insufficient support strength and waterproof layer protection of corrugated cardboard is solved, and higher wear resistance, waterproof and flame retardant effects are achieved.
Patent Information
- Application Number
- CN202422047547.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-23
AI Technical Summary
Existing corrugated cardboard has shortcomings in support strength and waterproof layer protection, resulting in insufficient support of the paper core and poor waterproofing effect.
It adopts a reinforced corrugated cardboard design, including substrate and reinforced support mechanism. A paper core is provided inside the substrate, and a wear-resistant layer, a waterproof layer and a flame-retardant layer are provided in front and behind the paper core. The reinforced support mechanism consists of a support chamber, an inclined plate, a horizontal plate and a vertical plate, supporting each other to increase the support strength of the paper core.
It effectively improves the support strength and wear resistance, waterproof and flame retardant properties of corrugated cardboard, while not affecting the bending and recovery performance of corrugated cardboard.
Smart Images

Figure CN223003230U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of corrugated paperboards, in particular to an enhanced corrugated paperboard. Background Art
[0002] A corrugated paperboard is a multi-layer bonded body, also known as a corrugated cardboard, which is formed by bonding at least one layer of corrugated paper and one layer of boxboard paper. It has good elasticity and extensibility and is mainly used for manufacturing cartons, the sandwich of cartons, and other packaging materials for fragile goods. It is mainly made of native grass pulp and waste paper through beating to make a raw cardboard similar to yellow cardboard, and then mechanically processed into a corrugated shape, and then bonded to the boxboard paper on its surface with adhesives such as sodium silicate;
[0003] For some existing corrugated paperboards, a single U-shaped rib support method is adopted for the support work of the paper core, and for some corrugated paperboards, a single waterproof layer method is adopted for the protection of the corrugated paperboard;
[0004] There are now some problems. For example, using a single U-shaped rib support method may limit the support strength of the paper core, and using a single waterproof layer method may affect the protection effect of the corrugated paperboard. Content of the Utility Model
[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an enhanced corrugated paperboard, which can effectively improve the support strength of the corrugated paperboard, and does not affect the bending and recovery of the corrugated paperboard. At the same time, it can effectively improve the wear resistance, waterproof and flame retardant effects of the corrugated paperboard, and can effectively solve the problems in the background art.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: an enhanced corrugated paperboard, including a base plate and a strengthening support mechanism;
[0007] Base plate: A paper core is arranged at the center position inside it, a connection layer is fixedly connected to the outside of the base plate, strengthening layers are arranged at both the front and rear ends of the paper core, and the strengthening layer includes a wear-resistant layer, and the wear-resistant layer is a polytetrafluoroethylene layer;
[0008] Strengthening support mechanism: It is symmetrically arranged inside the paper core, can effectively improve the support strength of the corrugated paperboard, and does not affect the bending and recovery of the corrugated paperboard. At the same time, it can effectively improve the wear resistance, waterproof and flame retardant effects of the corrugated paperboard.
[0009] Furthermore, the strengthening support mechanism includes support bins, inclined plates, horizontal plates and vertical plates. The support bins are symmetrically arranged inside the paper core, and uniformly distributed inclined plates are fixedly connected inside the support bins. Vertical plates are fixedly connected between two adjacent inclined plates in the vertical direction, and horizontal plates are fixedly connected between the adjacent vertical plates and inclined plates in the vertical direction to improve the support strength of the corrugated paperboard.
[0010] Furthermore, the strengthening layer further includes a waterproof layer which is fixedly connected to one end of the wear-resistant layer close to the paper core. The waterproof layer is a polyurethane waterproof coating layer, effectively ensuring the waterproof effect of the corrugated cardboard.
[0011] Furthermore, the strengthening layer further includes a flame-retardant layer which is fixedly connected to one end of the waterproof layer close to the center of the paper core. The flame-retardant layers are all rock wool layers, effectively ensuring the flame-retardant effect of the corrugated cardboard.
[0012] Furthermore, the strengthening layer further includes an elastic layer and a silica gel layer. The elastic layer is fixedly connected to one end of the flame-retardant layer close to the paper core. The elastic layer is a thermoplastic material layer, and silica gel layers are fixedly connected to the relative inner surfaces of the elastic layer, providing protection for the bending and restoration of the corrugated cardboard.
[0013] Furthermore, the strengthening layer further includes an adhesive layer which is disposed between the silica gel layer and the paper core, realizing the stable connection between the strengthening layer and the paper core without affecting the working performance of the corrugated cardboard.
[0014] Furthermore, symmetrically distributed card slots are provided at both the upper and lower ends of the connection layer, and symmetrically distributed card holders are fixedly connected to both the left and right ends of the connection layer, facilitating the cooperative work of the corrugated cardboard.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: This enhanced corrugated cardboard has the following advantages:
[0016] The vertically adjacent inclined plates, horizontal plates and vertical plates support each other, effectively improving the support strength of the paper core, and further effectively improving the support strength of the corrugated cardboard. At the same time, the polytetrafluoroethylene material of the wear-resistant layer has the characteristics of being acid and alkali resistant, resistant to various organic solvents, high temperature resistant and having an extremely low friction coefficient, which can effectively improve the wear resistance of the corrugated cardboard. The polyurethane waterproof coating of the waterproof layer has strong water resistance, effectively ensuring the waterproof performance of the corrugated cardboard. The rock wool material of the flame-retardant layer can achieve a good flame-retardant effect. The elastic layer and the silica gel layer cooperate to provide protection for the bending and restoration of the corrugated cardboard, avoiding damage during the bending process of the corrugated cardboard. The strengthening layer and the strengthening support unit cooperate to effectively improve the working performance of the corrugated cardboard, effectively improving the support strength of the corrugated cardboard without affecting the bending and restoration of the corrugated cardboard, and at the same time effectively improving the wear resistance, waterproof and flame-retardant effects of the corrugated cardboard. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic structural diagram of the present utility model;
[0018] Figure 2 is a cross-sectional structural diagram inside the present utility model;
[0019] Figure 3This is a schematic enlarged view of the structure at location A of the present utility model.
[0020] In the figure: 1 is the substrate, 2 is the paper core, 3 is the strengthening support mechanism, 31 is the support bin, 32 is the inclined plate, 33 is the horizontal plate, 34 is the vertical plate, 4 is the wear-resistant layer, 5 is the waterproof layer, 6 is the flame-retardant layer, 7 is the elastic layer, 8 is the silicone layer, 9 is the adhesive layer, 10 is the connection layer, 11 is the card slot, and 12 is the card holder. Specific embodiments
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0022] Please refer to Figures 1-3 , this embodiment provides a technical solution: an enhanced corrugated board, including a substrate 1 and a strengthening support mechanism 3;
[0023] Substrate 1: A paper core 2 is arranged at the central position inside it. A connection layer 10 is fixedly connected to the outside of the substrate 1. Card slots 11 symmetrically distributed are arranged at both the upper and lower ends of the connection layer 10, and card holders 12 symmetrically distributed are fixedly connected to both the left and right ends of the connection layer 10. Reinforcing layers are arranged at both the front and rear ends of the paper core 2. The reinforcing layer includes a wear-resistant layer 4, and the wear-resistant layer 4 is a polytetrafluoroethylene layer. The reinforcing layer also includes a waterproof layer 5, and the waterproof layer 5 is fixedly connected to one end of the wear-resistant layer 4 close to the paper core 2. The waterproof layer 5 is a polyurethane waterproof coating layer. The reinforcing layer also includes a flame-retardant layer 6, and the flame-retardant layer 6 is respectively fixedly connected to one end of the waterproof layer 5 close to the center of the paper core 2. The flame-retardant layer 6 is a rock wool layer. The reinforcing layer also includes an elastic layer 7 and a silicone layer 8. The elastic layer 7 is respectively fixedly connected to one end of the flame-retardant layer 6 close to the paper core 2. The elastic layer 7 is a thermoplastic material layer. Silicone layers 8 are fixedly connected to the relative inner surfaces of the elastic layer 7. The reinforcing layer also includes an adhesive layer 9, and the adhesive layer 9 is arranged between the silicone layer 8 and the paper core 2. The polytetrafluoroethylene material of the wear-resistant layer 4 has the characteristics of being acid and alkali resistant, resistant to various organic solvents, and at the same time has high temperature resistance and an extremely low coefficient of friction, which can effectively improve the wear resistance of the corrugated board. The polyurethane waterproof coating of the waterproof layer 5 has strong water resistance, effectively guaranteeing the waterproof performance of the corrugated board. The rock wool material of the flame-retardant layer 6 can achieve a good flame-retardant effect. The elastic layer 7 and the silicone layer 8 cooperate to provide protection for the bending and restoration of the corrugated board, avoiding damage during the bending process of the corrugated board. The reinforcing layer and the strengthening support unit cooperate to effectively improve the working performance of the corrugated board;
[0024] Reinforcing support mechanism 3: It is symmetrically arranged inside the paper core 2. The reinforcing support mechanism 3 includes support bins 31, inclined plates 32, transverse plates 33, and vertical plates 34. The support bins 31 are symmetrically arranged inside the paper core 2. Uniformly distributed inclined plates 32 are fixedly critical inside the support bins 31. Vertical plates 34 are fixedly connected between two vertically adjacent inclined plates 32. Transverse plates 33 are fixedly connected between vertically adjacent vertical plates 34 and inclined plates 32. The vertically adjacent inclined plates 32, transverse plates 33, and vertical plates 34 support each other, effectively improving the support strength of the paper core 2, and thus effectively improving the support strength of the corrugated board.
[0025] The working principle of the enhanced corrugated board provided by the present utility model is as follows: During operation, the vertically adjacent inclined plates 32, transverse plates 33, and vertical plates 34 support each other, effectively improving the support strength of the paper core 2, and thus effectively improving the support strength of the corrugated board. At the same time, the polytetrafluoroethylene material of the wear-resistant layer 4 has the characteristics of being acid and alkali resistant, resistant to various organic solvents, high temperature resistant, and having an extremely low friction coefficient, which can effectively improve the wear resistance of the corrugated board. The polyurethane waterproof coating of the waterproof layer 5 has strong water resistance, effectively ensuring the waterproof performance of the corrugated board. The rock wool material of the flame retardant layer 6 can achieve a good flame retardant effect. The elastic layer 7 and the silica gel layer 8 cooperate to provide protection for the bending and restoration of the corrugated board, avoiding damage during the bending process of the corrugated board. The strengthening layer and the strengthening support unit cooperate to effectively improve the working performance of the corrugated board. When the corrugated board needs to be spliced, the card seat 12 at the front end of the connection layer 10 is snapped into the corresponding card slot 11 to achieve stable connection of two corrugated boards.
[0026] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.
Claims
1. Enhanced corrugated cardboard, characterized by: It comprises a base plate (1) and a strengthening support mechanism (3); Base plate (1): a paper core (2) is arranged at the center of the base plate (1); a connecting layer (10) is fixedly connected to the outside of the base plate (1); and strengthening layers are arranged at both the front and rear ends of the paper core (2). The strengthening layers include a wear-resistant layer (4), and the wear-resistant layer (4) is a polytetrafluoroethylene layer. Strengthening support mechanism (3): It is symmetrically arranged inside the paper core (2).
2. The reinforced corrugated paperboard according to claim 1, characterized in that: The reinforcing support mechanism (3) comprises a support bin (31), an oblique plate (32), a horizontal plate (33) and a vertical plate (34); the support bin (31) is symmetrically arranged inside the paper core (2); evenly distributed oblique plates (32) are fixedly arranged inside the support bin (31); vertical plates (34) are fixedly connected between two vertically adjacent oblique plates (32); and horizontal plates (33) are fixedly connected between vertically adjacent vertical plates (34) and oblique plates (32).
3. The reinforced corrugated paperboard according to claim 1, characterized in that: The strengthening layer further comprises a waterproof layer (5), and the waterproof layer (5) is fixedly connected to one end of the wear-resistant layer (4) close to the paper core (2), and the waterproof layer (5) is a polyurethane waterproof coating layer.
4. The reinforced corrugated paperboard according to claim 3, characterized in that: The strengthening layer further comprises a flame retardant layer (6), wherein the flame retardant layer (6) is respectively fixedly connected to one end of the waterproof layer (5) close to the center of the paper core (2), and the flame retardant layer (6) is a rock wool layer.
5. The reinforced corrugated paperboard according to claim 4, characterized in that: The strengthening layer further comprises an elastic layer (7) and a silicone layer (8), wherein the elastic layer (7) is fixedly connected to one end of the flame retardant layer (6) close to the paper core (2), the elastic layer (7) is a thermoplastic material layer, and the relative inner surfaces of the elastic layer (7) are fixedly connected to the silicone layer (8).
6. The reinforced corrugated paperboard according to claim 5, characterized in that: The strengthening layer further comprises an adhesive layer (9), and the adhesive layer (9) is arranged between the silica gel layer (8) and the paper core (2).
7. The reinforced corrugated paperboard according to claim 1, characterized in that: The upper and lower ends of the connection layer (10) are both provided with symmetrically distributed card slots (11), and the left and right ends of the connection layer (10) are both fixedly connected with symmetrically distributed card seats (12).