CN217073682U - High-strength tear-resistant corrugated board - Google Patents
High-strength tear-resistant corrugated board Download PDFInfo
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- CN217073682U CN217073682U CN202220445572.0U CN202220445572U CN217073682U CN 217073682 U CN217073682 U CN 217073682U CN 202220445572 U CN202220445572 U CN 202220445572U CN 217073682 U CN217073682 U CN 217073682U
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Abstract
The utility model discloses a high-strength tear-resistant corrugated board, which comprises a surface paper layer, wherein a waterproof film is covered on the upper surface of the surface paper layer, a corrugated paper element is bonded on the lower surface of the surface paper layer, an elastic element and two supporting paper boards are arranged in a cavity formed by the corrugated paper element and the surface paper layer, an inner paper layer is bonded on the lower surface of the corrugated paper element, cylindrical corrugated paper is bonded in the cavity formed by the corrugated paper element and the inner paper layer, and rectangular corrugated paper is bonded in the cavity inside the cylindrical corrugated paper; the lower surface of the lining paper layer is bonded with a reinforcing layer, the reinforcing layer is formed by weaving warp-wise paper strips and weft-wise paper strips in a staggered mode, and an inner waterproof layer is coated on the lower surface of the reinforcing layer.
Description
Technical Field
The utility model relates to a corrugated container board technical field especially relates to a tear corrugated container board of high strength.
Background
The corrugated board is a multi-layer adhesive body, also called corrugated board, formed by bonding at least one layer of corrugated paper and one layer of cardboard (also called cardboard), has better elasticity and extensibility, is mainly used for manufacturing paper boxes, sandwich of the paper boxes and other packaging materials of fragile commodities, can be made into liners or containers with various shapes and sizes according to requirements, is simpler, faster and less influenced by temperature, has good light-shielding property, is not deteriorated by illumination and is generally less influenced by humidity compared with plastic buffer materials, but the corrugated paper is not suitable for being used in an environment with higher humidity for a long time, which can affect the strength of the corrugated paper, the corrugated paper is widely applied to paper outer packages at present, has the advantages of simple processing, light weight, higher strength and hardness, easy storage and the like, is more and more popular with outer package enterprises, and is widely applied to the storage and transportation of food or digital products in the market.
The existing corrugated board has the disadvantages of poor strength, poor buffering effect, small bearing force, poor pressure resistance, easy deformation and breakage and tearing when being affected with damp, and serious influence on the service life.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a high-strength tear-resistant corrugated board, which has excellent high-strength tear-resistant performance.
The technical scheme of the utility model as follows:
a high strength tear resistant corrugated board characterized in that: the corrugated paper core is adhered to the lower surface of the surface paper layer, an elastic part and a supporting paperboard are arranged in a cavity formed by the corrugated paper core and the surface paper layer in a separating mode, the top ends of the elastic part and the supporting paperboard are adhered to the lower surface of the surface paper layer, the bottom ends of the elastic part and the supporting paperboard are adhered to the corrugated paper core, and the elastic part and the supporting paperboard are vertically arranged at the bending position of the corrugated paper core; corrugated paper core lower surface bonds and has interior paper layer, and the cavity that corrugated paper core and interior paper layer separated into bonds and has cylindrical corrugated paper, and the inboard cavity department of cylindrical corrugated paper is equipped with bearing structure, interior paper layer lower surface bonds and has the enhancement layer.
Furthermore, a waterproof film is coated on the upper surface of the surface paper layer.
Further, the waterproof membrane is a PVC membrane.
Further, the outer surface of the reinforcing layer is coated with an inner waterproof layer.
Further, the inner waterproof layer is a PET coating.
Further, the surface paper layer and the lining paper layer are made of kraft paper.
Furthermore, the flute shape of the corrugated paper core is in a U-shaped wavy shape.
Furthermore, the number of the supporting paper boards in the cavity separated by the corrugated paper core and the surface paper layer is 2, and the two supporting paper boards are respectively arranged on two sides of the elastic part.
Further, the supporting structure at the cavity inside the cylindrical corrugated paper comprises rectangular corrugated paper bonded in the inner cavity.
Furthermore, the reinforcing layer comprises warp paper strips and weft paper strips which are integrally distributed in a staggered mode.
The utility model has the advantages that: kraft paper is selected as the surface paper layer and the lining paper layer, so that the strength and the tear resistance of the paperboard are improved; the waterproof performance of the two sides of the paperboard is improved through the kraft paper and the PVC film and the PET coating coated on the outer surface of the kraft paper; the U-shaped corrugated paper core, the elastic piece and the supporting paper board which are bonded at the cavity of the U-shaped corrugated paper core, the cylindrical corrugated paper and the rectangular corrugated paper which is bonded at the cavity of the inner side of the cylindrical corrugated paper core greatly improve the strength and the compression resistance of the whole paper board; the reinforcing layer further enhances the tear resistance of the paperboard through the warp-wise paper strips and the weft-wise paper strips which are integrally distributed in a staggered (overlapped) mode.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a high-strength tear-resistant corrugated board provided by the present invention;
fig. 2 is the utility model provides a tear corrugated container board enhancement layer structure sketch map is torn in high strength.
In the figure: 1-a water-proof membrane; 2-a face paper layer; 3-corrugated paper core; 31-cylindrical corrugated paper; 32-a support structure; 33-an elastic member; 34-a support paperboard; 4-lining paper layer; 5-a reinforcing layer; 51-warp direction paper slip; 52-weft paper strips; 6-inner waterproof layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, a tear corrugated container board of high strength, includes surface paper layer 2, surface covering has waterproof membrane 1 on surface paper layer 2, and waterproof membrane 1 is the PVC membrane, and the PVC membrane has waterproof characteristic, sets up at the cardboard is outmost, can prevent to a certain extent that moisture from getting into the cardboard inside, keeps the inside relative drying of cardboard.
The lower surface of the surface paper layer 2 is bonded with a corrugated paper core 3, the corrugation of the corrugated paper core 3 is in a U-shaped wavy shape, an elastic part 33 and two supporting paper boards 34 are arranged in a cavity formed by the corrugated paper core 3 and the surface paper layer 2 in a separating mode, the elastic part 33 can be a rubber elastic part, the top ends of the elastic part 33 and the two supporting paper boards 34 are bonded to the lower surface of the surface paper layer 2, the bottom ends of the elastic part 33 and the two supporting paper boards 34 are bonded to the corrugated paper core 3, the elastic part 33 is vertically arranged at the bending position of the U-shaped corrugated paper core 3, and the two supporting paper boards 34 are respectively arranged on two sides of the elastic part 33;
the lower surface of the corrugated paper core 3 is bonded with an inner paper layer 4, a cylindrical corrugated paper 31 is bonded in a cavity formed by dividing the corrugated paper core 3 and the inner paper layer 4, a supporting structure 32 is arranged in the cavity on the inner side of the cylindrical corrugated paper 31, the supporting structure 32 is formed by surrounding corrugated paper, the supporting structure is bonded on the inner side wall of the cylindrical corrugated paper, and can be triangular, trapezoidal, rectangular and the like, and rectangular corrugated paper is selected in the embodiment;
the corrugated paper core 3, the elastic element 33, the two support paper boards 34, the cylindrical corrugated paper 31 and the support structure 32 are bonded to improve the strength and the pressure resistance of the paper boards greatly, so that the paper boards are not easy to deform under load.
A reinforcing layer 5 is bonded on the lower surface of the inner paper layer 4, the reinforcing layer 5 comprises warp-wise paper strips 51 and weft-wise paper strips 52 which are integrally distributed in a staggered (overlapped) manner, and the structure is shown in fig. 2; the staggered structure enables the reinforcing layer 6 to be highly resistant to folding and tearing, and improves the durability of the paperboard. The paper strips are made of processed waste materials and are integrally bonded to the surface of the inner paper layer respectively in a warp-weft staggered arrangement mode; and a fabric layer can be directly adopted, so that the overall strength is improved.
The lower surface of the reinforcing layer 5 is coated with an inner waterproof layer 6, and the inner waterproof layer 6 is a PET coating.
The surface paper layer 2 and the lining paper layer 4 are made of kraft paper, so that the waterproof effect is achieved, and the strength is high; the PET coating coated on the outer side surface of the inner paper layer 4 retains most of water on the outer surface of the coating, so that the waterproof performance of the paperboard is further improved.
In the present application, the structures and the connection relations that are not described in detail are all the prior art, and the structures and the principles thereof are known in the prior art and are not described herein again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A high strength tear resistant corrugated board characterized in that: the corrugated paper core is adhered to the lower surface of the surface paper layer, an elastic part and a supporting paperboard are arranged in a cavity formed by the corrugated paper core and the surface paper layer in a separating mode, the top ends of the elastic part and the supporting paperboard are adhered to the lower surface of the surface paper layer, the bottom ends of the elastic part and the supporting paperboard are adhered to the corrugated paper core, and the elastic part and the supporting paperboard are vertically arranged at the bending position of the corrugated paper core; corrugated paper core lower surface bonds and has interior paper layer, and the cavity that corrugated paper core and interior paper layer separated into bonds and has cylindrical corrugated paper, and the inboard cavity department of cylindrical corrugated paper is equipped with bearing structure, interior paper layer lower surface bonds and has the enhancement layer.
2. The high strength, tear resistant, corrugated paperboard of claim 1 wherein: and the upper surface of the surface paper layer is covered with a waterproof film.
3. The high strength, tear resistant, corrugated paperboard of claim 2 wherein: the waterproof membrane is a PVC membrane.
4. The high strength, tear resistant, corrugated paperboard of claim 1 wherein: the outer surface of the reinforcing layer is coated with an inner waterproof layer.
5. The high strength, tear resistant, corrugated paperboard of claim 4 wherein: the inner waterproof layer is a PET coating.
6. High strength tear resistant corrugated board according to claim 1, characterized in that: the surface paper layer and the lining paper layer are made of kraft paper.
7. The high strength, tear resistant, corrugated paperboard of claim 1 wherein: the flute shape of the corrugated paper core is in a U-shaped wavy shape.
8. The high strength, tear resistant, corrugated paperboard of claim 1 wherein: the support cardboard that corrugated paper core and face paper layer separated into in the cavity sets up to 2, and two support cardboards set up respectively in the both sides of elastic component.
9. The high strength, tear resistant, corrugated paperboard of claim 1 wherein: the supporting structure of the cavity inside the cylindrical corrugated paper comprises rectangular corrugated paper bonded in the inner cavity.
10. The high strength, tear resistant, corrugated paperboard of claim 1 wherein: the reinforcing layer comprises warp-wise paper strips and weft-wise paper strips which are integrally distributed in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220445572.0U CN217073682U (en) | 2022-03-03 | 2022-03-03 | High-strength tear-resistant corrugated board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220445572.0U CN217073682U (en) | 2022-03-03 | 2022-03-03 | High-strength tear-resistant corrugated board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217073682U true CN217073682U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220445572.0U Active CN217073682U (en) | 2022-03-03 | 2022-03-03 | High-strength tear-resistant corrugated board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217073682U (en) |
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2022
- 2022-03-03 CN CN202220445572.0U patent/CN217073682U/en active Active
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