CN216860871U - High folding-resistant five-layer composite corrugated board - Google Patents
High folding-resistant five-layer composite corrugated board Download PDFInfo
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- CN216860871U CN216860871U CN202220299894.9U CN202220299894U CN216860871U CN 216860871 U CN216860871 U CN 216860871U CN 202220299894 U CN202220299894 U CN 202220299894U CN 216860871 U CN216860871 U CN 216860871U
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Abstract
The utility model discloses a high-folding-resistance five-layer composite corrugated board which comprises a surface paper layer, wherein an outer waterproof layer is coated on the upper surface of the surface paper layer, a corrugated paper core is bonded on the lower surface of the surface paper layer, an intermediate paper board is bonded on the lower surface of the corrugated paper core, cylindrical corrugated paper and a reinforcing rib plate are bonded on the lower surface of the intermediate paper board, an inner paper layer is bonded on the lower surfaces of the cylindrical corrugated paper and the reinforcing rib plate, and an inner waterproof layer is coated on the lower surface of the inner paper layer; the supporting paperboard structure in the corrugated paper core space comprises a longitudinal supporting paperboard and two oblique supporting paperboards which are arranged in the corrugated paper core space and play a supporting role, and the supporting paperboard structure at the inner side cavity of the cylindrical corrugated paper comprises triangular corrugated paper bonded in the inner cavity.
Description
Technical Field
The utility model relates to the technical field of corrugated boards, in particular to a high-folding-resistance five-layer composite corrugated board.
Background
The corrugated board is a multi-layer adhesive body, has higher mechanical strength, can resist collision and falling in the carrying process, and the actual performance of the corrugated board depends on three factors, namely the characteristics of core paper and the paper board and the structure of the paper box, the corrugated board is frequently used in the current technical means, but the existing corrugated board has the problems of poor wear resistance of the outer surface, insufficient pressure resistance, easy damage when meeting water and the like in the actual application, and poor practicability, so that the surface-reinforced corrugated board is needed to be provided, and the problems are effectively improved.
In addition, when the corrugated board is folded, the inner paper is easy to break, so that the folding resistance of the whole paperboard needs to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least in part, one of the technical problems in the related art. Therefore, the utility model aims to provide a high-folding-resistance five-layer composite corrugated board which has the excellent performances of water resistance, wear resistance, good compression resistance and high folding resistance and is not easy to break.
The technical scheme of the utility model is as follows:
a high-folding-resistance five-layer composite corrugated board comprises a surface paper layer, wherein an outer-side waterproof layer is coated on the upper surface of the surface paper layer, a corrugated paper core is bonded on the lower surface of the surface paper layer, an intermediate paper board is bonded on the lower surface of the corrugated paper core, cylindrical corrugated paper and reinforcing rib plates are bonded on the lower surface of the intermediate paper board, an inner paper layer is bonded on the lower surfaces of the cylindrical corrugated paper and the reinforcing rib plates, and an inner-side waterproof layer is coated on the lower surface of the inner paper layer; wherein, corrugated paper core and cylindrical corrugated paper cavity department all are equipped with the support paperboard structure.
Further, the outer waterproof layer and the inner waterproof layer are PET coatings.
Furthermore, 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 V-shaped wavy shape.
Furthermore, the supporting paper board structure in the corrugated paper core cavity comprises a longitudinal supporting paper board and two oblique supporting paper boards which are arranged in the corrugated paper core space and play a supporting role.
Further, the longitudinal supporting paper board is vertically arranged at the bending position of the corrugated paper core; the two inclined supporting paper boards are arranged in an inclined mode in the opposite direction and are inclined outwards towards the bending position of the corrugated paper core.
Further, cylindrical corrugated paper and deep floor are the combination and evenly arrange, and control fixed bonding between the adjacent cardboard.
Further, the supporting paperboard structure at the cavity inside the cylindrical corrugated paper comprises triangular corrugated paper adhered in the inner cavity.
The utility model has the beneficial effects that: the surface paper layer and the inner paper layer are made of kraft paper, and the middle paperboard is made of high-folding-resistance base paper, so that the folding resistance of the whole paperboard is improved; the kraft paper and the PET coating coated on the outer surface of the kraft paper improve the waterproof performance of two sides of the paperboard, the smooth PET coating also reduces the friction force on the surface of the carton, the scratch phenomenon on the surface of the carton in the carrying process can be effectively reduced, and the wear resistance of the surface of the paperboard is improved; through the V-shaped corrugated paper element and the umbrella-shaped supporting plate bonded at the cavity of the V-shaped corrugated paper element, the cylindrical corrugated paper and the reinforcing rib plates which are uniformly and alternately distributed, and the triangular corrugated paper bonded at the cavity of the inner side of the cylindrical corrugated paper, the overall stability and the pressure resistance of the paper board are greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural view of a five-layer composite corrugated board with high folding endurance according to an embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a five-layer composite corrugated board with high folding endurance according to an embodiment 2 of the present invention.
In the figure: 1-outer waterproof layer; 2-a surface paper layer; 3-corrugated paper core; 31-longitudinal support of the cardboard; 32-diagonal support cardboard; 4-intermediate cardboard; 5-cylindrical corrugated paper; 6-triangular corrugated paper; 7-reinforcing rib plates; 8-lining paper layer; 9-inner waterproof layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
Example one
Referring to fig. 1, the high folding-resistant five-layer composite corrugated board comprises a surface paper layer 2, wherein an outer waterproof layer 1 is coated on the upper surface of the surface paper layer 2, the outer waterproof layer 1 is a PET coating, and the PET coating has certain waterproofness and simultaneously reduces friction on the surface of the paperboard due to smooth surface, so that the phenomenon of rubbing caused by surface contact in the carrying process of a carton is effectively reduced, and the wear resistance of the surface of the paperboard is improved.
The lower surface of the surface paper layer 2 is bonded with a V-shaped corrugated paper core 3, a longitudinal supporting paperboard 31 and two inclined supporting paperboards 32 are bonded in cavities separated by the V-shaped corrugated paper core 3, and the longitudinal supporting paperboard 31 is vertically arranged at the bending position of the V-shaped corrugated paper core 3; the two inclined supporting paper boards 32 are oppositely and obliquely arranged and are intersected at the bending part far away from the V-shaped corrugated paper core 3; preferably, the longitudinal supporting paper board 31 and the two diagonal supporting paper boards 32 intersect at the bending part far away from the V-shaped corrugated paper core 3 to form an umbrella-shaped structure.
The middle paper board 4 is bonded on the lower surface of the V-shaped corrugated paper core 3, one end of the longitudinal support paper board 31 and one end of the oblique support paper board 32 are bonded on the V-shaped corrugated paper core 3, and the other end of the longitudinal support paper board 31 and the other end of the oblique support paper board are bonded on the middle paper board 4 and the longitudinal support plate 31 respectively, so that the firmness of the corrugated paper core is improved; the combined structure of the V-shaped corrugated paper and the umbrella-shaped supporting paper board improves the stability and the pressure resistance of the paper board. In addition, the middle paper board 4 selects base paper with higher raw wood pulp proportion to ensure higher folding endurance.
Cylindrical corrugated paper 5 and deep floor 7 are evenly bonded on the lower surface of the middle paper board 4 in turn, wherein the cylindrical corrugated paper 5 and the deep floor 7 are fixedly bonded at intervals, triangular corrugated paper 6 is bonded in a cavity in the cylindrical corrugated paper 5, and the bonding support structure of the deep floor 7, the cylindrical corrugated paper 5 and the triangular corrugated paper 6 improves the stability and the pressure resistance of the paper board, so that the paper board only partially deforms when being locally stressed, other positions on the periphery are not influenced, and the practicability of the paper board is improved.
The lower surfaces of the cylindrical corrugated paper 5 and the reinforcing rib plate 7 are bonded with an inner paper layer 8, the lower surface of the inner paper layer 8 is coated with an inner waterproof layer 9, and the inner waterproof layer 9 is a PET coating.
The surface paper layer 2 and the inner paper layer 8 are made of kraft paper, so that the waterproof and high-folding-resistance effects are achieved; the PET coating of surface paper layer 2 and the 8 outside surfaces coating of interior paper, most moisture has been kept in the coating surface, has further improved the waterproof performance of cardboard.
Example two
Referring to fig. 2, the structure and material of the outer waterproof layer 1, the face paper layer 2, the middle paper sheet 4, the inner paper layer 8 and the inner waterproof layer 9 of the high folding-resistant five-layer composite corrugated cardboard are the same as those of example 1.
The lower surface of the face paper layer 2 is bonded with a V-shaped corrugated paper core 3, a longitudinal supporting paperboard 31 and two oblique supporting paperboards 32 are bonded in cavities partitioned by the V-shaped corrugated paper core 3, and the longitudinal supporting paperboard 31 is vertically arranged at the bending position of the V-shaped corrugated paper core 3; the two slant supporting paper boards 32 are arranged obliquely in opposite directions and are inclined outwards towards the bending position of the corrugated paper core, and the longitudinal supporting paper board 31 and the two slant supporting paper boards 32 are not intersected to form an umbrella-like structure.
The lower surface of the V-shaped corrugated paper core 3 is bonded with a middle paper board 4, one end of a longitudinal supporting paper board 31 and one end of an oblique supporting paper board 32 are bonded on the V-shaped corrugated paper core 3, and the other end of the longitudinal supporting paper board and the other end of the oblique supporting paper board are bonded on the middle paper board 4, so that the firmness of the corrugated paper core is improved; the combined structure of the V-shaped corrugated paper and the umbrella-shaped supporting paper improves the stability and the pressure resistance of the paper.
Cylindrical corrugated paper 5 and reinforcing rib plates 7 are bonded to the lower surface of the middle paperboard 4, wherein the cylindrical corrugated paper 5 and the reinforcing rib plates 7 are combined and uniformly arranged, and adjacent paperboards are fixedly bonded left and right. The combination of the cylindrical corrugated paper 5 and the reinforcing rib plate 7 is in the form of AB, AAB, AABB, ABB, AAAB, or the like, and the arrangement of the cylindrical corrugated paper 5 in different amounts can bring different buffering performances, so that the cylindrical corrugated paper 5 in a larger amount has stronger buffering capacity, and the schematic diagram of this embodiment 2 is an AAB type. Triangular corrugated paper 6 is bonded in the cavity inside the cylindrical corrugated paper 5, and the bonding support structure of the reinforcing rib plate 7, the cylindrical corrugated paper 5 and the triangular corrugated paper 6 improves the stability and the pressure resistance of the paperboard, so that the paperboard only partially deforms when being locally stressed, other peripheral parts are not affected, and the practicability of the paperboard is 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 description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a five layers of compound corrugated container board of high resistant book which characterized in that: the corrugated paper is characterized by comprising a surface paper layer, wherein an outer waterproof layer is coated on the upper surface of the surface paper layer, a corrugated paper core is bonded on the lower surface of the surface paper layer, an intermediate paper board is bonded on the lower surface of the corrugated paper core, cylindrical corrugated paper and reinforcing rib plates are bonded on the lower surface of the intermediate paper board, an inner paper layer is bonded on the lower surfaces of the cylindrical corrugated paper and the reinforcing rib plates, and an inner waterproof layer is coated on the lower surface of the inner paper layer; wherein, corrugated paper core and cylindrical corrugated paper cavity department all are equipped with the support paperboard structure.
2. The high fold-resistant five-layer composite corrugated board of claim 1, wherein: the outer waterproof layer and the inner waterproof layer are PET coatings.
3. The high fold-resistant five-layer composite corrugated paperboard of claim 1, characterized in that: the surface paper layer and the inner paper layer are made of kraft paper.
4. The high fold-resistant five-layer composite corrugated paperboard of claim 1, characterized in that: the flute shape of the corrugated paper core is in a V-shaped wavy shape.
5. The high fold-resistant five-layer composite corrugated board of claim 1, wherein: the supporting paperboard structure in the corrugated paper core cavity comprises a longitudinal supporting paperboard and two oblique supporting paperboards which are arranged in the corrugated paper core space and play a supporting role.
6. The high fold-resistant five-layer composite corrugated paperboard of claim 5, characterized in that: the longitudinal supporting paper board is vertically arranged at the bending position of the corrugated paper core; the two inclined supporting paper boards are arranged in an inclined mode in the opposite direction and are inclined outwards towards the bending position of the corrugated paper core.
7. The high fold-resistant five-layer composite corrugated board of claim 1, wherein: the cylindrical corrugated paper and the reinforcing rib plates are uniformly combined and arranged, and adjacent paper plates are bonded.
8. The high fold-resistant five-layer composite corrugated board of claim 1, wherein: the supporting paperboard structure at the cavity on the inner side of the cylindrical corrugated paper comprises triangular corrugated paper adhered in the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220299894.9U CN216860871U (en) | 2022-02-15 | 2022-02-15 | High folding-resistant five-layer composite corrugated board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220299894.9U CN216860871U (en) | 2022-02-15 | 2022-02-15 | High folding-resistant five-layer composite corrugated board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216860871U true CN216860871U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220299894.9U Active CN216860871U (en) | 2022-02-15 | 2022-02-15 | High folding-resistant five-layer composite corrugated board |
Country Status (1)
| Country | Link |
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| CN (1) | CN216860871U (en) |
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- 2022-02-15 CN CN202220299894.9U patent/CN216860871U/en active Active
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