KR20160060528A

KR20160060528A - Corrugated packaging box

Info

Publication number: KR20160060528A
Application number: KR1020150028299A
Authority: KR
Inventors: 오우석; 임봉섭; 이지원; 정현준
Original assignee: 삼성전자주식회사
Priority date: 2014-11-20
Filing date: 2015-02-27
Publication date: 2016-05-30

Abstract

The present invention relates to a packaging box for electronic product packaging, and more particularly, to a corrugated cardboard packaging box capable of implementing a curved shape.
A corrugated cardboard packaging box made of corrugated cardboard, wherein the corrugated cardboard packaging box has a curved shape in which both ends protrude from the center, and the corrugated cardboard has a corrugated shape corresponding to a lateral direction of the corrugated cardboard box .

Description

Corrugated packing box {CORRUGATED PACKAGING BOX}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging box for packaging electronic products, and more particularly, to a corrugated cardboard packaging box capable of implementing a curved shape.

In general, the packaging box is very popular and widely used, and usually paper (pulp) is used because it is low in manufacturing cost and easy to handle and manage.

However, in order to use ordinary paper (pulp) as a packaging box, it is required to be made to have a certain thickness or more to provide durability and impact resistance, which leads to an increase in weight.

In order to overcome such disadvantages, a packaging box made of corrugated cardboard can be used.

The corrugated cardboard packaging box is easy to manufacture, and it is stored in a stacked state while being easily assembled and used. Therefore, the cardboard packaging box has an advantage that the cost of logistics can be greatly reduced, and the warmth and durability of the corrugated cardboard box can be advantageously saved .

On the other hand, a corrugated board packaging box for packaging large electronic products such as a refrigerator, a washing machine, an air conditioner, a large TV, and a network server is manufactured in the form of a rectangular parallelepiped or a hexahedron which is independent of the shape of the product.

Therefore, when a curved product is packed in a rectangular box, unnecessary packaging space is generated.

Such an extra space in the packaging box may cause problems such as breakage of the product during the transportation of the product.

One aspect of the present invention provides a corrugated cardboard packaging box that can be implemented in a curved shape.

Another aspect of the present invention provides a corrugated cardboard packaging box in which the corrugated cardboard has a corrugation direction corresponding to a lateral direction of a corrugated cardboard packaging box.

Another aspect of the present invention provides a corrugated cardboard packaging box capable of highlighting that a product shape is curved to a consumer by a packaging box having a curved outer shape corresponding to a curved shape of the product.

Another aspect of the present invention provides a corrugated cardboard packaging box having a curved shape of a specific curvature, and a corrugated cardboard box that can be perfectly protected when covering wings (upper and lower surfaces).

Still another aspect of the present invention provides a corrugated cardboard packaging box in the form of a curved surface that can have any desired specific curvature when the wings are folded or attached.

The corrugated cardboard packaging box according to one aspect of the present invention is a corrugated cardboard package box made of corrugated cardboard, wherein the corrugated cardboard packaging box has a curved shape in which both ends protrude from the center, And is provided to correspond to the horizontal direction of the box.

Further, the corrugated cardboard is characterized in that it includes a cut-out portion which is provided to prevent damage to each part boundary when deformed into a curved shape.

Further, the cut-out portion is formed in the valley direction of the upper-portion corrugated cardboard.

The corrugated cardboard packaging box may further include a plurality of surface portions connected to each other, wherein the plurality of surface portions include a side surface portion defining a side surface of the corrugated cardboard box, and a side surface portion formed on one side of the side surface portion to form an upper surface of the corrugated cardboard box And a connecting portion formed on at least one of the side portions and connected to the other one of the side portions, wherein the bottom portion is formed on the other side of the side portion so as to form a bottom surface of the corrugated cardboard box. .

The cutout portion is formed between the side surface portion and the upper surface portion, and between the side surface portion and the lower surface portion.

The cutout portion may include a first cutout portion formed in the direction of the corrugation of the corrugated cardboard, and a second cutout portion formed to extend obliquely from both ends of the first cutout portion.

Further, the upper surface portion and the lower surface portion are each divided into a plurality of portions.

And a variable portion provided so as to vary the gap between the plurality of upper surface portions and the plurality of lower surface portions when the corrugated cardboard is curved.

In addition, the variable portion is characterized in that an angle between at least one upper surface portion of the plurality of upper surface portions and another upper surface portion adjacent to the upper surface portion is variable.

The variable portion may be provided such that an angle between at least one lower surface of the plurality of lower surface portions and another adjacent lower surface portion is variable.

The corrugated cardboard packaging box may include a first box formed to be vertically separable and formed to have an upper portion and a second box detachably provided below the first box, And the second box is connected by a fixing portion.

The fixing portion may include a first fixing hole formed in the first box, a second fixing hole formed in the second box, and a fixing member provided to penetrate through the first fixing hole and the second fixing hole .

In addition, the corrugated cardboard packaging box may further include a curved cushion member provided inside the corrugated cardboard box, and the second box may include an assembly part detachably connected to the cushioning member.

Further, when the corrugated cardboard packaging box is curved, the plurality of upper surface portions and the plurality of lower surface portions are overlapped with each other.

The upper surface portion and the lower surface portion may include a folding line and a cutting line, respectively, and the cutting line may be in contact with the folding line when the folding line is folded.

In another aspect of the present invention, a corrugated cardboard packaging box using corrugated cardboard comprising a corrugated cardboard formed between a pair of cardboards, the corrugated cardboard box comprising: Wherein a part of the plurality of face portions is deformed into a curved surface so as to form a curved state in which both end portions of the corrugated cardboard packing box are protruded from the center of the corrugated cardboard box, The corrugated cardboard can be prevented from being wrinkled when the corrugated cardboard is deformed into a curved shape.

The corrugated cardboard further includes a cut portion formed in the corrugation of the corrugated cardboard so as to prevent damage to the corners when the corrugated cardboard is deformed into a curved shape.

The plurality of face portions of the corrugated cardboard package may include a side face portion including a plurality of side faces formed to form side faces of the corrugated cardboard packaging box and a plurality of upper faces divided to form an upper face of the corrugated cardboard package box And a plurality of lower surfaces provided to be divided to form a lower surface of the corrugated cardboard packaging box, and a lower surface portion formed at one side of the plurality of side surfaces and connected to a side surface of the other side edge portion And a connecting portion for connecting the first and second connecting portions.

The cutout portion is formed between the side surface portion and the upper surface portion, and between the side surface portion and the bottom surface portion.

In addition, the present invention is characterized in that it comprises a variable portion which is provided to vary the gap between the plurality of upper surfaces and the plurality of lower surfaces when curvature of the corrugated cardboard is deformed.

In addition, the variable portion may include a first variable portion formed so that an angle between one upper surface of the plurality of upper surfaces and another upper surface adjacent to the upper surface may be varied.

The variable portion may include a second variable portion formed to be able to vary the angle between the upper surface of one of the plurality of lower surfaces and the other lower surface adjacent to the upper surface.

The corrugated cardboard packaging box may include a first box provided to be vertically separable and provided to form an upper portion, a second box provided to be detachably coupled to a lower portion of the first box, And a fixing portion for detachably connecting the second box.

In addition, when the corrugated cardboard packaging box is curved, the plurality of upper surfaces and the plurality of lower surfaces are overlapped with each other.

The plurality of upper surfaces and the plurality of lower surfaces may include a folding line and a cutting line, respectively, and the cutting lines may be in contact with each other at the time of folding deformation based on the folding line.

According to an aspect of the present invention, the corrugated cardboard has a corrugated direction corresponding to a lateral direction of the corrugated cardboard box, thereby improving the strength of the corrugated cardboard box.

Further, by embodying a curved surface shape corresponding to the shape of a product to be provided inside a packaging box, such as a curved electronic product, for example, a curved display device, a toy, a computer, and other smart devices, There is an effect that can be.

In addition, packaging according to the product shape has the effect of minimizing the packaging space.

In addition, a corrugated cardboard box having a curved surface having a specific curvature can be implemented to provide a perfect protection when the wing is covered.

1 is a perspective view showing a corrugated cardboard packaging box according to an embodiment of the present invention,
2 is a schematic view of a corrugated board according to an embodiment of the present invention,
FIG. 3 is a view showing that a curved display device is packaged in a corrugated cardboard packaging box according to an embodiment of the present invention;
FIG. 4 is an exploded view of a corrugated cardboard packaging box according to an embodiment of the present invention;
5 is a view illustrating the operation of a connection part of a corrugated cardboard packaging box according to an embodiment of the present invention;
FIG. 6 is a view illustrating the operation of a top surface portion of a corrugated cardboard packaging box according to an embodiment of the present invention when a curved surface is deformed,
7 is an enlarged view of a portion A 'in Fig. 6,
8 is an exploded view of a corrugated cardboard box having a specific curvature according to an embodiment of the present invention;
Figure 9 is an exploded view of a rear panel disposed behind a corrugated cardboard box having a specific curvature according to an embodiment of the present invention;
FIG. 10 is an exploded view showing a front panel disposed in front of a corrugated cardboard packaging box having a specific curvature according to an embodiment of the present invention; FIG.
11 is an exploded view of a corrugated cardboard packaging box according to another embodiment of the present invention;
12 is a view showing the operation of a bottom part of a corrugated cardboard packaging box according to another embodiment of the present invention when a curved surface is deformed,
13 is an enlarged view of a portion A 'in Fig. 12,
FIG. 14 is a view schematically showing a bottom portion of a corrugated cardboard packaging box according to another embodiment of the present invention, FIG.
15 is an exploded perspective view showing that a curved display device is packaged in a corrugated cardboard packaging box according to another embodiment of the present invention;
16 is a view showing a fixing part of a first box and a second box of a corrugated cardboard packaging box according to another embodiment of the present invention,
17 is an exploded view of a second box of corrugated cardboard packaging boxes according to another embodiment of the present invention,
18 is an exploded perspective view schematically showing a second box and a cushion member of a corrugated cardboard packaging box according to another embodiment of the present invention,
19 is a view showing a coupling portion of a second box and a cushion member for curved shape modification of a corrugated cardboard packaging box according to another embodiment of the present invention,
Figure 20 is an exploded view of a corrugated cardboard packaging box having a specific curvature according to another embodiment of the present invention;
21 is a development view showing a rear panel and a front panel disposed behind a corrugated cardboard packaging box having a specific curvature according to another embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. The terms "front", "rear", "upper", "lower", "upper" and "lower" used in the following description are defined with reference to the drawings. The position is not limited.

The present invention is applicable to all packing boxes for packing the product so that it can be stored and transported or exhibited.

1 to 7 are views showing a corrugated cardboard packaging box according to an embodiment of the present invention.

As shown in Figs. 1 to 3, the corrugated cardboard packaging box 1 can accommodate therein products such as curved electronic products, for example, curved display devices, toys, computers, and other smart devices . Hereinafter, a packaging box for packaging the display device 2 will be described as an example.

The corrugated cardboard packaging box 1 may be formed in a size and shape corresponding to the curved display device 2 so as to be accommodated therein.

The corrugated cardboard box 1 may be formed of a paper material including a corrugated cardboard 4.

The corrugated cardboard 4 for making the corrugated cardboard packaging box 1 includes a corrugated cardboard 4d provided to form a trough 4c and a pair of cardboards 4a and 4b adhered to both surfaces of the corrugated cardboard 4d. .

The pair of cardboards 4a and 4b includes a surface paper 4a adhered to the surface of the corrugated paper 4d and a back sheet 4b adhered to the back surface of the corrugated paper 4d.

Further, it may further include a coating layer which is not disclosed but is optionally coated on the outer surface of the surface paper 4a and the outer surface of the paper sheet 4b.

On the other hand, it is preferable that the thickness of the corrugated cardboard 4 for forming the corrugated cardboard packaging box 1 is 0.3 mm or more.

The corrugated cardboard 4 is formed such that the direction of the valley 4c of the corrugated cardboard 4d provided between the pair of cardboards 4a and 4b corresponds to the lateral direction X of the corrugated cardboard package box 1. [

The corrugated cardboard (4) includes a plurality of face portions formed in a plate shape to form a corrugated cardboard packaging box (1). A plurality of face portions of the corrugated cardboard 1 are provided so as to be foldable by a plurality of grounding lines 50.

Therefore, the corrugated cardboard packaging box 1 can be formed by folding a plurality of face portions formed in a plate shape by the grounding line 50.

At this time, the direction of the valleys 4c of the corrugated cardboard 4 is formed so as to be formed in the same direction as the lateral direction X of the corrugated cardboard packaging box 1.

The corrugated cardboard packaging box 1 may include an upper face portion 20 forming an upper face, a lower face portion 30 forming a lower face, and side portions 10 forming side faces.

The corrugated cardboard box 1 may be formed with a receiving space S having a size corresponding to that of the curved display device 2 formed by the bottom portion 30 and the side portion 10 .

On the other hand, the curved display device 2 is supported by the cushion members 3 provided at the upper and lower ends thereof, and is provided in the receiving space S of the corrugated cardboard box 1. [

The corrugated cardboard packaging box 1 is formed in a curved shape in which both end portions thereof are protruded and formed to move in all directions with respect to the center.

A plurality of face portions of the corrugated cardboard 4 may be folded by the grounding line 50 to form a corrugated cardboard packaging box 1 of a curved shape constituted by the upper face portion 20, the side face portion 10 and the lower face portion 30. [

FIG. 4 is an exploded view of a corrugated cardboard packaging box according to an embodiment of the present invention, FIG. 5 is a view illustrating an operation of a connection portion of a corrugated cardboard packaging box according to an embodiment of the present invention, FIG. FIG. 7 is an enlarged view of a portion A 'of FIG. 6; FIG.

4 to 7, the side surface portion 10 of the corrugated cardboard packaging box 1 includes a first side surface 11, a second side surface 12 provided to face the first side surface 11, A third side face 13 provided between one side face 11 and the second side face 12 and a fourth side face 14 facing the third side face 13.

The first side face 11 is provided to form the front face of the corrugated cardboard packing box 1. The second side face 12 is disposed behind the first side face 11 at a predetermined distance to form a rear face.

The transverse length L1 of the first side surface 11 is formed to have the same length as the transverse length L2 of the second side surface 12 and the transverse length L3 of the third side surface 13 is formed to have a length And is formed to have the same length as the lateral length L4 of the side surface 14.

In the embodiment of the present invention, the widths of the first side 11 and the second side 12 forming the front and back sides of the corrugated cardboard packaging box 1 are shown to be the same. However, But is not limited thereto. For example, in order to form the curved shape of the corrugated board packaging box 1, the transverse length of the first side 11 may be smaller than the transverse length of the second side 12.

A handle hole 15 may be formed in the side portion 10 for the convenience of the user when transporting and transporting the corrugated cardboard box 1.

The handle hole 15 can be formed on the third side surface 13 and the fourth side surface 14 so that the handle hole 15 formed on both sides of the third side surface 13 and the fourth side surface 14 So that the corrugated cardboard box 1 can be easily transported.

The second side surface 12 of the side surface portion 10 is provided with a connection portion 40 for connection with the fourth side surface 14. [

The connection portion 40 extends to one side of the second side surface 12 and can be contacted inside the fourth side surface 14 by the ground line 50. [

At this time, the connection portion 40 applies an adhesive to the outer side surface thereof and makes contact with the inside of the fourth side surface 14 so as to connect the second side surface 12 and the fourth side surface 14. [

Although the connecting portion 40 extends to the second side surface 12 in the present embodiment, the present invention is not limited thereto. For example, the connection portion 40 may be provided between the second side surface 12 and the third side surface 13, between the third side surface 13 and the first side surface 11, between the first side surface 11 and the fourth side surface 11 14 and the adjacent surface portion.

The upper surface portion 20 and the lower surface portion 30 are connected to the upper and lower sides of the side surface portion 10, respectively. At this time, a grounding line 50 is provided between the side surface portion 10 and the top surface portion 20, between the side surface portion 10 and the bottom surface portion 30, and the corrugated cardboard 4 can be folded.

The upper surface portion 20 disposed on the upper side of the side surface portion 10 includes a first upper surface 21 formed on the upper side of the first side surface 11 and a second upper surface 22 formed on the upper side of the second side surface 12 A third upper surface 23 formed on the upper side of the third side surface 13 and a fourth upper surface 24 formed on the upper side of the fourth side surface 14. [

At this time, the first upper surface 21 and the second upper surface 22 formed on the upper side of the first side surface 11 and the second side surface 12 are divided into a plurality of pieces.

The lower surface portion 30 disposed below the side surface portion 10 includes a first lower surface 31 formed on the lower side of the first side surface 11 and a second lower surface 32 formed on the lower side of the second side surface 12 A third lower surface 33 formed on the lower side of the third side surface 13 and a fourth lower surface 34 formed on the lower side of the fourth side surface 14. [

At this time, the first lower surface 31 and the second lower surface 32 formed below the first side surface 11 and the second side surface 12 are also divided into a plurality of pieces.

This is to prevent folding of the upper surface portion 20 and the lower surface portion 30 when the both side ends of the first side surface 11 and the second side surface 12 are moved forward in the forward direction than the center,

The corrugated board 4 is formed between the side surface portion 10 and the upper surface portion 20 and between the side surface portion 10 and the bottom surface portion 30 so as to prevent the corrugated board 4 from being damaged, (60).

The cutout 60 may be disposed on the ground line 50 formed between the side surface portion 10 and the upper surface portion 20 and between the side surface portion 10 and the bottom surface portion 30. [

The cutout portion 60 includes a plurality of first upper surfaces 21,21a, 21b, 21c, 21d and 21e and upper surfaces 22,22a, 22b, 22c, 22d and 22e And the like. That is, it may be formed between any one of the first upper surfaces 21a of the upper surface portion 20 and another upper surface 21b adjacent to the upper surface 21a.

At this time, the cut-out portion 60 is disposed on the ground line 50 between the first side surface 11 and the upper surface 21b of the first upper surface 21 and the adjacent upper surface 21b.

The cutout portion 60 includes a first cutout portion 61 formed in the direction of the valley 4c of the corrugated cardboard 4 and a second cutout portion 61 formed to extend obliquely at both ends of the first cutout portion 61 62).

The second incision part 62 is formed so as not to cause damage such as collapse or folding of the corrugated cardboard 4 when the corrugated cardboard 4 is curved. In the present embodiment, the second incisions 62 are formed on both sides of the first incision 61 in the diagonal direction of the corrugated cardboard box 1, but the concept of the present invention is not limited thereto. It is not limited. It is also possible that the second incision part 62 is formed in the longitudinal direction Y of the corrugated cardboard packaging box 1.

The upper surface portion 20 composed of the plurality of upper surfaces 21 and 22 includes a variable portion 70 provided to vary the gap between the upper surfaces 21 and 22 when the corrugated cardboard 4 is curved, .

The variable portion 70 may be formed between a plurality of upper surfaces 21 and 22, respectively. The variable portion 70 is formed between an upper surface of one of the plurality of upper surfaces 21 and 22 and another upper surface adjacent to the upper surface.

For example, the variable portion 70 is formed between one upper surface 22a of the second upper surface 22 and another upper surface 22b adjacent to the upper surface 22a. At this time, a variable angle? 1 that varies according to the curvature deformation may be formed between one end 71 of one upper surface 22a and a corresponding one end 72 of another upper surface 22b. The angle? 1 between one upper surface 22a and the other upper surface 22b reduces the angle of curvature-state deformation of the corrugated cardboard packaging box 1.

The variable portion 70 is formed between one upper surface 21a of the first upper surface 21 and another upper surface 21b adjacent to the upper surface 21a. At this time, the variable angle [theta] 1 formed between one end 73 of one upper surface 21a and the corresponding one end 74 of the other upper surface 21b corresponds to the curvature state deformation The angle of view becomes larger.

At this time, the variable angle [theta] 1 of the variable portion 70 formed between the plurality of upper surfaces 21a, 21b, 21c, 21d, and 21e of the first upper surface 21 is the curvature state deformation 1 of the variable portion 70 formed between the plurality of upper surfaces 22a, 22b, 22c, 22d, and 22e of the second upper surface 22 is larger than the variable angle? 1 of the corrugated board packaging box 1 When the curvature is deformed, the angle decreases. (See FIG. 6)

This is because when the corrugated cardboard packaging box 1 is deformed in the curved state, both side ends of the first side face 11 forming the front face are moved in all directions, and the first upper face 21 The upper surfaces 21a, 21b, 21d, and 21e formed on both sides of the upper surface 21c move forward in the forward direction than the upper surface 21c of the central portion. The distance between the upper surfaces 21a, 21b, 21d, and 21e, which are divided by the distance of movement of the first upper surface 21, .

When the corrugated cardboard packaging box 1 is deformed in the curved state, both side ends of the second side face 12 forming the rear face are moved in all directions and the second upper face 22 The upper surfaces 22a, 22b, 22d, and 22e formed on both side portions of the center portion move forward in the forward direction than the upper surface 22c of the center portion. Since the rear portion of the second upper surface 22 is connected and fixed to the second side surface 12, the gap between the upper surfaces 22a, 22b, 22d, and 22e divided by the moving distance of the second upper surface 21 .

On the other hand, the lower surface 30 of the corrugated cardboard box 1 can be applied to the upper surface 20 in the same manner.

Therefore, the corrugated cardboard packaging box 1 using the corrugated cardboard 4 is formed by connecting the connecting portion 40 formed on one of the side portions 20 to the other side portion 20 to form a side surface, A curved shape can be formed by the variable portion 70 of the movable member 20.

At this time, the upper surface portion 20 can cover the upper portion of the corrugated cardboard packing box 1 doubly by the first upper surface 21 and the second upper surface 22 provided to overlap the first upper surface 21 . Similarly, the lower surface portion 30 can cover the lower portion of the corrugated cardboard packaging box 1 in a double manner by the first lower surface 31 and the second lower surface 32 provided so as to overlap the first lower surface 31, The durability of the upper end surface and the lower end surface of the packaging box 1 can be improved.

The lateral direction X of the corrugated cardboard box 1 and the corrugation 4c of the corrugated cardboard 4 can be matched to improve the rigidity of the cardboard box 1 in the transverse direction X. [

The improvement in the rigidity of the corrugated cardboard box 1 can enable the loading and distribution of the corrugated cardboard box 1 in a curved shape.

8 to 10, a corrugated cardboard packaging box according to an embodiment of the present invention includes a front panel FP and a rear panel RP overlapping the divided upper surface, And may include formulas having any particular curvature.

The corrugated cardboard box 1 may include a divided front surface FP and a rear top surface RP corresponding to the front surface FP. The front upper surface FP of the present embodiment is divided into five and divided into a first front upper surface FP1, a second front upper surface FP2, a third front upper surface FP3, a fourth front upper surface FP4, And a rear upper surface RP5 includes a first rear upper surface RP1 corresponding to the front upper surface FP and a second rear upper surface RP2, a third rear upper surface RP3, (RP4), and a fifth rear top surface (RP5). However, the spirit of the present invention is not limited thereto. For example, the division between the front upper surface and the rear upper surface may be changed according to the size of the corrugated cardboard box.

At this time, the divided upper surface of the corrugated board packaging box 1 may include a cutting line (L1) and a creasing line (L2).

Therefore, the cutting line L1 and the folding line L2 of the front upper surface FP and the rear upper surface RP can be disposed in opposite directions to each other.

On the other hand, when the width of the corrugated board package box 1 is a or c, the length of the rear surface RP is a ', and the distance between the top surfaces RP the length of the front surface FP is denoted by c and the length of the rear surface RP is denoted by b ' The length of flaps is denoted by d '.

The angle of the rear upper surface RP is referred to as? (Angle of flaps) and the angle of the front upper surface FP is referred to as? (Angle of flaps (front panel side)).

In this case, when the number of divided upper surfaces is n (number of flaps), the height of the upper surfaces is h (height of flap), and the angle between the upper surfaces is e (gap between flaps) Can be set.

---------(One)

The divided front and rear surfaces FP and RP having a curvature formed with a dimension satisfying the above-mentioned formula (1) are curved with a specific curvature when they are folded with respect to the folding line L2, And the front surface FP and the rear surface RP are completely overlapped with each other.

Accordingly, the corrugated cardboard packaging box 1 is formed in such a manner that the front upper surface FP and the rear upper surface RP are completely overlapped with each other, so that it is easy to form a curved surface and the durability can be improved.

FIG. 11 is an exploded view of a corrugated cardboard packaging box according to another embodiment of the present invention, FIG. 12 is a view illustrating an operation of a bottom face of a corrugated cardboard packaging box according to another embodiment of the present invention, And Fig. 14 is a view schematically showing a bottom part of a corrugated cardboard packaging box according to another embodiment of the present invention.

11 to 14, a corrugated cardboard packaging box 1A of a curved shape includes a top face portion 20A forming an upper face, a bottom face portion 30A forming a bottom face, a side face portion 10A forming a side face, . &Lt; / RTI >

The corrugated cardboard packaging box 1A is formed in such a manner that a receiving space S of a corresponding size can be formed so that the curved display device 2 can be accommodated in the inside formed by the lower surface portion 30A and the side surface portion 10A .

The corrugated cardboard packaging box 1A is formed in a curved shape in which both front ends of the corrugated cardboard box 1A protrude and move in all directions than the middle corners.

A plurality of face portions of the corrugated cardboard 4 may be folded by the grounding line 50 to form a corrugated cardboard packaging box 1A composed of an upper face portion 20A, a side face portion 10A and a lower face portion 30A.

The side face portion 10A of the corrugated cardboard packaging box 1A has a first side face 11A and a second side face 12A that is provided so as to face the first side face 11A and a second side face 12B that faces the first side face 11A and the second side face 12A A third side surface 13A provided between the first side surface 13A and the third side surface 13A, and a fourth side surface 14A provided opposite to the third side surface 13A.

The second side surface 12A of the side surface portion 10A is provided with a connection portion 40A for connection with the fourth side surface 14A. The connecting portion 40A extends to one side of the second side face 12A and can be contacted to the inside of the fourth side face 14A by the grounding line 50. [

An upper surface portion 20A and a lower surface portion 30A are connected to upper and lower sides of the side surface portion 10A, respectively. At this time, a grounding line 50 is provided between the side surface portion 10A and the top surface portion 20A, between the side surface portion 10A and the bottom surface portion 30A, and the corrugated cardboard 4 can be folded.

The upper surface portion 20A disposed on the upper side of the side surface portion 10A has a first upper surface 21A formed on the upper side of the first side surface 11A and a second upper surface 22A formed on the upper side of the second side surface 12A A third upper surface 23A formed on the upper side of the third side surface 13A and a fourth upper surface 24A formed on the upper side of the fourth side surface 14A.

At this time, the first upper surface 21A and the second upper surface 22A formed on the upper side of the first side surface 11A and the second side surface 12A are divided into a plurality of pieces.

The lower surface portion 30A disposed below the side surface portion 10A has a first lower surface 31A formed on the lower side of the first side surface 11A and a second lower surface 32A formed on the lower side of the second side surface 12A, A third lower surface 33A formed on the lower side of the third side surface 13A and a fourth lower surface 34A formed on the lower side of the fourth side surface 14A.

At this time, the first lower surface 31A and the second lower surface 32A formed below the first side surface 11A and the second side surface 12A are also divided into a plurality of pieces.

This is to prevent folding of the upper surface portion 20A and the lower surface portion 30A when the both side ends of the first side surface 11A and the second side surface 12A are moved forward in the forward direction than the center to deform into a curved surface state.

Between the side face 10A and the top face 20A and between the side face 10A and the bottom face 30A are formed cutouts 60A and 60B formed so as not to be folded when the corrugated cardboard 4 is deformed into a curved shape. And a variable portion 70 are provided.

The side face portion 10A and the upper face portion 20A of the corrugated cardboard packaging box 1A according to another embodiment of the present invention and the cutouts 60A and 60B and the variable portion 70A may be formed in a configuration And detailed description thereof will be omitted.

The lower surface 30A of the corrugated cardboard box 1A has a first lower surface 31A formed on the lower side of the first side surface 11A and a second lower surface 32A formed on the lower side of the second side surface 12A, A third lower surface 33A formed on the lower side of the third side surface 13A and a fourth lower surface 34A formed on the lower side of the fourth side surface 14A.

At this time, the first lower surface 31A and the second lower surface 32A formed below the first side surface 11A and the second side surface 12A are divided into a plurality of pieces. This is to prevent folding of the corrugated cardboard 4 when the both side ends of the first side face 11A and the second side face 12A are moved forward in the forward direction than the center and deformed into a curved surface state.

On the other hand, the first lower surface 31A and the second lower surface 32A of the lower surface portion 30A are formed to face each other and may have a shape corresponding to each other.

At this time, the sum of the thicknesses of the first lower surface 31A and the second lower surface 32A is formed to be equal to the thickness t of the corrugated cardboard package box 1A.

For example, one lower surface 31Aa of the plurality of first bottom surfaces 31A, 31Aa, 31Ab, 31Ac, 31Ad, and 31Ae is formed to have a first thickness t1 at one end and a second thickness t2 at the other end, . One lower surface 32Ae of the second lower surfaces 32A, 32Aa, 32Ab, 32Ac, 32Ad, and 32Ae corresponding to the first lower surface 31A has one end formed of a seventh thickness t7, 8 thickness t8.

At this time, the sum of the first thickness t1 and the seventh thickness t7 of the lower surface 31Aa of the corresponding first lower surface 31A and the lower surface 32Ae of the second lower surface 32A or the sum of the second thickness t2, And the eighth thickness t8 is formed to be equal to the thickness t of the corrugated cardboard package box 1A.

Similarly, one end of the other lower surface 32Ab of the plurality of first bottom surfaces 31A is formed with the second thickness t2, and the other end is formed with the third thickness t3. The other lower surface 32Ad of the second lower surface 32A corresponding to the first lower surface 31A has one end formed of the eighth thickness t8 and the other end formed of the ninth thickness t9.

The sum of the second thickness t2 and the eighth thickness t8 or the third thickness t3 of the lower surface 31Ab of the corresponding first lower surface 31A and the lower surface 32Ad of the second lower surface 32A, And the ninth thickness t9 is formed to be equal to the thickness t of the corrugated cardboard package box 1A.

Therefore, the plurality of lower surfaces 31Aa, 31Ab, 31Ac, 31Ad, and 31Ae of the first lower surface 31A are formed to have different thicknesses and the lower surfaces 32Aa, 32Ab, and 32Ac , 32Ad, and 32Ae are formed to have different thicknesses.

At this time, a plurality of lower surfaces 31Aa, 31Ab, 31Ac, 31Ad, 31Ae of the second lower surface 32A corresponding to the thicknesses of the plurality of lower surfaces 31Aa, 31Ab, 31Ac, 31Ad, 31Ae of the first lower surface 31A The thickness of the corrugated cardboard box 1A is made equal to the thickness t of the cardboard box 1A.

Therefore, the bottom surface of the corrugated cardboard packaging box 1A is formed by the second bottom surface 32A corresponding to the first bottom surface 31A and the first bottom surface 31A.

On the other hand, a cutout portion 60A provided for deforming the corrugated cardboard box 1A into a curved shape can be disposed on the ground line 50 between the side surface portion 10A and the upper surface portion 20A.

The cutout portion 60A may include a deformation guide portion 60B disposed on the ground line 50 between the side surface portion 10A and the bottom surface portion 30A.

The cutout portion 60A may be disposed at a connection portion of each of the first upper surfaces 21A and the second upper surfaces 22A forming the upper surface portion 20A. That is, it may be formed between any one of the upper surfaces 21a of the first upper surfaces 21A of the upper surface portion 20A and another upper surface 21b adjacent to the upper surface 21a.

The cutout portion 60A includes a first cutout portion 61A formed in the direction of the valley 4c of the corrugated cardboard 4 on the ground line 50 between the first side face 11A and the first upper face 21A, And a second cut-out portion 62A extending obliquely at both ends of the first cut-out portion 61A.

The second incision portion 62A is formed so that the corrugated cardboard 4 is not broken when the corrugated cardboard 4 is curved.

The upper surface portion 20A composed of the plurality of upper surfaces 21A and 22A includes a variable portion 70A provided to vary the gap between the upper surfaces 21A and 22A when the corrugated cardboard 4 is curved, .

The variable portion 70A is formed between a plurality of upper surfaces 21A and lower surfaces 31A. For example, the variable portion 70A is provided between one upper surface 21Aa of the plurality of upper surfaces 21A, another upper surface 21Ab adjacent to the upper surface 21Aa, one lower surface 31A of the plurality of lower surfaces 31A, (31Aa) and a lower surface (31ab) adjacent to the lower surface (31Aa).

The cutout 60A may be formed at the same position where the variable portion 70A is formed.

The deformation guide portion 60B may be formed on the ground line 50 between the side surface portion 10A and the bottom surface portion 30A.

The deformation guide portion 60B prevents the corrugated cardboard 4 from breaking when the corrugated cardboard 4 is deformed into a curved shape. The deformation guide portion 60B includes a first deformation guide 61B formed in the valley direction of the corrugated cardboard 4 and a second deformation guide 62B formed to extend obliquely from both ends of the first deformation guide 61B do.

The second deformation guide 62B is formed so that the corrugated cardboard 4 does not break when the curved shape is deformed.

The deformable guide portion 60B may be alternately arranged with the deformable portion 70A.

Therefore, the deformation guide portion 60B is formed so as to coincide with the grounding line 50 formed between the side surface portion 10A and the plurality of lower surfaces 31A, 32A of the bottom surface portion 30A.

On the other hand, the first lower surface 31A of the lower portion 30A and the second lower surface 32A facing the first lower surface 31A, which are provided to form the bottom of the corrugated board packaging box 1A, And the like.

FIG. 15 is an exploded perspective view showing that a curved display device is packaged in a corrugated cardboard packaging box according to another embodiment of the present invention, and FIG. 16 is a perspective view of a first box of a corrugated cardboard packaging box according to another embodiment of the present invention. 17 is a developed view of the second box of corrugated cardboard packaging box according to another embodiment of the present invention, and FIG. 18 is a view showing a corrugated cardboard packaging according to another embodiment of the present invention FIG. 19 is an exploded perspective view schematically showing a second box of a box and a cushion member, and FIG. 19 is a view showing a coupling portion of a second box and a cushion member for deforming a curved shape of a corrugated cardboard packaging box according to another embodiment of the present invention.

15 to 19, a corrugated cardboard packaging box 100 according to another embodiment of the present invention includes a first box 110 formed to form an upper portion, And a second box 200.

The first box 110 is provided to include a side surface portion 130 and an upper surface portion 120 of the corrugated cardboard packaging box 100.

The second box 200 is provided to include a portion and a lower portion of the side surface of the corrugated cardboard packaging box 100.

The first box 110 is detachably fixed to the second box 200 provided below. The first box 110 and the second box 200 may be connected by the fixing portion 140.

The first box 110 and the second box 200 include a plurality of surface portions formed in a plate shape. A plurality of face portions of the corrugated cardboard (4) are provided so as to be foldable by a plurality of grounding lines (50).

Therefore, the corrugated board packing box 100 can be formed by folding and assembling a plurality of face portions formed in a plate shape by the grounding line 50.

At this time, the direction of the valley 4c of the corrugated cardboard 4 is formed so as to be formed in the same direction as the lateral direction X of the corrugated cardboard packaging box 100.

A variable portion 70C and a cutout portion 60C for forming a curved surface shape using the side surface portion 130 and the upper surface portion 120 constituting the first box 110 may be included.

The configuration of the first box 110 including the above-described configuration in a curved shape is the same as the configuration and operation of the side surface portion 130 and the top surface portion 120 of the above-described embodiments, so duplicate descriptions are omitted.

A part of the side part 130 of the first box 110 is provided with a fixing part 140 for fixing to the second box 200.

The fixing part 140 includes a first fixing hole 141 formed in the first box 110, a second box 200 formed in the second box 200, a first fixing hole 141, And a fixing member 143 provided so as to be able to pass through the fixing holes 142.

The fixing member 143 includes a fixing protrusion 143a formed to have a corresponding size to be inserted into the first fixing hole 141 and the second fixing hole 142 and a support 143b extended from the fixing protrusion 143a. . &Lt; / RTI >

The plurality of first fixing holes 141 may be spaced apart from each other by a predetermined distance.

Meanwhile, the second box 200 detachably connected to the first box 110 through the fixing member 143 is formed in a size and shape corresponding to the curved display device 2 so as to be accommodated therein The receiving portion S 'is provided.

The receiving portion S 'is provided with a cushion member 3 for supporting the curved display device 2.

The cushion member 3 includes a first cushion member 3a for supporting the upper end portion of the curved display device 2 and a second cushion member 3b for supporting the lower end portion of the curved display device 2, May be provided.

The cushion member 3 may include a styrofoam material which is formed so as to absorb vibrations and impacts generally occurring during transportation. The cushion member 3 made of such a styrofoam is injection-molded into a curved shape integrally.

The second cushion member 3b is provided to be disposed inside the second box 200 and the first cushion member 3a is provided to be disposed inside the first box 110. [

The second fixing holes 142 may be formed in the front portion 220 and the rear portion 230 of the second box 200 to be described later.

The second box 200 includes a bottom portion 210 forming the bottom of the corrugated board packing box 100, a front portion 220 forming a front surface, a rear portion 230 forming a rear surface from the rear of the front portion 220, ).

The second box 200 is formed in a curved shape in which an upper surface is opened and both end portions thereof are protruded and formed to move in all directions with respect to the center.

A receiving portion S 'having a size corresponding to that of the curved display device 2 may be formed inside the bottom portion 210 and the inside portion formed by the front portion 220 and the rear portion 230 .

The receiving portion S 'is provided with a curved display device 2 supported by the second cushion member 3b and the second cushion member 3b.

The second box 200 is formed to include a plurality of face portions, and the plurality of face portions are folded by the grounding line 50 to form a curved shape.

The second box 200 includes a bottom 210 formed of a bottom surface 211 formed in a curved shape, a front portion 220 extending forward of the bottom surface 211, 211 extending rearwardly from the rear side.

The front portion 220 and the rear portion 230 are divided into a plurality of pieces. The front portion 220 includes a plurality of front surfaces 211. The plurality of front surfaces 211 includes a first front surface 211a, a second front surface 211b disposed adjacent to the first front surface 211a and a third front surface 211c disposed adjacent to the second front surface 211b. A fourth surface 211d disposed adjacent to the third surface 211c and a fifth surface 211e disposed adjacent to the fourth surface 211d.

The rear portion 230, which is disposed to correspond to the front portion 220 at the rear of the front portion 220, includes a plurality of rear portions 231. The plurality of rear surfaces 231 includes a first rear surface 231a, a second rear surface 231b disposed adjacent to the first rear surface 231a, a third rear surface 231c disposed adjacent to the second rear surface 231b, A fourth rear surface 231d disposed adjacent to the third rear surface 231c and a fifth rear surface 231e disposed adjacent to the fourth rear surface 231d.

Between the first front surface 211a to the fifth front surface 211e and between the first rear surface 231a and the fifth rear surface 231e, a cutout portion 60A for forming the corrugated cardboard 4 in a curved shape, (70A).

At this time, the cutout portion 60A and the variable portion 70 may be formed in a plurality.

A connection protrusion 241 is formed on the first front surface 211a and the fifth front surface 211e and a connection protrusion 241 corresponding to the connection protrusion 241 is formed on the first rear surface 231a and the fifth rear surface 231e 242 are formed.

The connection protrusion 241 of the first front surface 211a is coupled to the connection groove 242 of the first rear surface 231a and the connection protrusion 241 of the fifth front surface 211e is coupled to the connection of the fifth rear surface 231e And is coupled to the groove 242.

At least a part of the first front surface 211a and the first rear surface 231a and at least a part of the fifth front surface 221e and the fifth rear surface 231e, which are provided to connect the front part 220 and the rear part 230, Can be defined by the grounding line 50 to form the side surface of the second box 200.

The second cushion member 3b provided to correspond to the receiving portion S 'of the second box 200 further includes an assembling portion 250 detachably connected to the second box 200 can do.

The second cushion member 3b is formed in a curved shape corresponding to the bottom surface 211 of the second box 200. [

Accordingly, the assembly unit 250 is provided to fix the second box 200 to the second cushion member 3b, and to make the curved shape of the second box 200 solid.

The assembly unit 250 includes an assembly groove 3c formed on the upper surface of the second cushion member 3b and a front surface 220 and a rear surface 230 of the second box 200 corresponding to the mounting groove 3c, And an assembling protrusion 251 formed on the base plate 251. [

The assembling protrusions 251 are formed on the front surface 220 and the rear surface 230 of the first and second front surfaces 211b and 211d and the ends of the second rear surface 231b to the rear surface 231d And six assembling recesses 3c corresponding to the assembling protrusions 251 are formed on the upper surface of the second cushion member 3b at a predetermined interval. However, the concept of the present invention is not limited thereto. It is not limited. For example, the assembly projections and the assembly grooves may be deformed according to the size of the curved display device.

The assembling protrusions 251 formed on the front portion 220 and the rear portion 230 of the second box 200 are inserted into the fitting grooves 3c formed in the second cushion member 3b in the receiving groove S ' So that the second box 200 can be stably formed in a curved shape.

The second box 200, which is formed in a stable curved shape by the second cushioning member 3b, can be detachably coupled to the first box 110 coupled to the upper side via the fixing member 143, Shaped display device 2 can be easily packaged.

20 to 21 are exploded views of a corrugated cardboard packaging box having a specific curvature according to another embodiment of the present invention.

20 to 21, in the corrugated cardboard packaging box according to the embodiment of the present invention, when the divided upper surface is folded, the front panel FP and the rear panel RP are aligned with each other And may include formulas having any particular curvature to be touched.

The corrugated cardboard box 1 may include a divided front surface FP 'and a rear top surface RP' corresponding to the front surface FP '. The front upper surface FP 'of the present embodiment is divided into five and divided into a first front upper surface FP'1, a second front upper surface FP'2, a third front upper surface FP'3, a fourth front upper surface FP'4 and a fifth front upper surface FP'5 and the rear upper surface RP'includes a first rear upper surface RP'1 corresponding to the front upper surface FP ' (RP'2), a third rear top surface (RP'3), a fourth rear top surface (RP'4), and a fifth rear top surface (RP'5) It is not limited. For example, the division between the front upper surface and the rear upper surface may be changed according to the size of the corrugated cardboard box.

The width of the corrugated board packaging box 1 is a and the lengths of the front and rear surfaces FP and RP are a ' Let b and c be the distance between flaps RP and let b and c be the length of flaps of the rear panel RP, The distance between the divided front front faces FP is referred to as e and the length of flaps front panel side is referred to as e.

In this case, the number of divided upper surfaces is n (number of flaps), the height of the upper surfaces is h (height of flap), and the angle between the upper surfaces is e (gap between flaps).

Further, when the minimum depth of the corrugated cardboard box 1 is d_min and the maximum depth is d_max, it can be set to satisfy the following equation (2).

------------(2)

The divided front and rear surfaces FP and RP having a curvature formed with a dimension satisfying the above-described formula (2) are formed so that the cutting line L1 is abutted when the folding line L2 is folded on the basis of the folding line L2 .

Therefore, the curved surface formed with a certain curvature is formed, and the front surface FP and the rear surface RP are in contact with each other.

Therefore, the corrugated cardboard packaging box 1 is provided so as to form the shape of the packaging box while the front upper surface FP and the rear upper surface RP are abutted and abutted to maintain the curved shape.

The foregoing has shown and described specific embodiments. However, it should be understood that the present invention is not limited to the above-described embodiment, and various changes and modifications may be made without departing from the technical idea of the present invention described in the following claims .

1, 1A, 100: Cardboard packaging box 2: Curved display device
3: Cushion member 4: Corrugated board
4a, 4b: Carton 4c:
10: side surface portion 10: upper surface portion
30: Lower part 40: Connection part
50: ground wire 60: incision
70: variable portion 80A: fixed member
110: first box 140:
141, 142: Fixing hole 200: Second box
250:

Claims

A corrugated cardboard packaging box made of corrugated cardboard,
In the corrugated cardboard packaging box,
Wherein both ends have a curved shape protruding from the center,
Wherein the corrugated cardboard has a corrugation direction corresponding to a lateral direction of the corrugated cardboard packaging box.

The method according to claim 1,
The corrugated cardboard includes:
When deforming into a curved shape, The corrugated cardboard box comprising: a corrugated cardboard box;

3. The method of claim 2,
The cut-
Wherein the corrugated cardboard box is formed in the corrugation direction of the corrugated cardboard.

The method of claim 3,
Wherein the corrugated cardboard packaging box includes a plurality of surface portions connected to each other,
Wherein the plurality of surface portions
A side portion forming a side surface of the cardboard box,
A top surface portion formed on one side of the side portion to form an upper surface of the corrugated cardboard box,
A lower surface portion formed on the other side of the side portion to form a lower surface of the corrugated cardboard box,
And a connection part formed on at least one of the side parts and connected to another one of the side parts.

5. The method of claim 4,
The cut-
Wherein a plurality of the corrugated cardboard boxes are formed between the side surface portion and the upper surface portion, and between the side surface portion and the lower surface portion.

6. The method of claim 5,
The cut-
A first incision portion formed in the corrugation of the corrugated cardboard;
And a second cut-out portion extending obliquely from both ends of the first cut-out portion.

5. The method of claim 4,
Wherein the upper surface portion and the lower surface portion of the corrugated cardboard box are divided into a plurality of corrugated cardboard boxes.

The method according to claim 6,
And a variable portion provided to vary the gap between the plurality of upper surface portions and the plurality of lower surface portions when the corrugated cardboard is curvedly deformed.

9. The method of claim 8,
The variable-
Wherein an angle between at least one upper surface portion of the plurality of upper surface portions and another adjacent upper surface portion is variable.

9. The method of claim 8,
The variable-
Wherein an angle between at least one lower surface portion of the plurality of lower surface portions and another adjacent lower surface portion is variable.

The method according to claim 1,
The corrugated cardboard box may be vertically separable,
A first box provided to form an upper portion,
And a second box detachably provided on the lower side of the first box,
Wherein the first box and the second box are connected by a fixing portion.

12. The method of claim 11,
The fixing unit includes:
A first fixing hole formed in the first box,
A second fixing hole formed in the second box,
And a fixing member provided to penetrate through the first fixing hole and the second fixing hole.

12. The method of claim 11,
In the corrugated cardboard packaging box,
Further comprising a curved cushion member provided inside thereof,
And the second box includes an assembled portion that is detachably connected to the cushion member.

8. The method of claim 7,
Upon curved deformation of the cardboard box,
Wherein the plurality of upper surface portions and the plurality of lower surface portions are overlapped with each other.

15. The method of claim 14,
Wherein the upper surface portion and the lower surface portion include a folding line and a cutting line,
And the cutting line is formed to abut on the folding line when the folding line is folded about the folding line.

1. A corrugated cardboard box using corrugated cardboard comprising a corrugated sheet formed between a pair of cardboards,
In the corrugated cardboard packaging box,
And a plurality of face portions provided to be connected to each other so that the corrugated cardboard can be folded and assembled,
Wherein a part of the plurality of face portions is deformed into a curved surface so as to form a curved state in which both ends of the corrugated cardboard packing box are protruded compared to the center,
Wherein the corrugated cardboard has a corrugated direction coinciding with a lateral direction of the corrugated cardboard packaging box so as to prevent corrugation when the corrugated cardboard is deformed into a curved shape.

17. The method of claim 16,
Wherein the corrugated cardboard includes an incision formed in the direction of the corrugation of the corrugated cardboard so as to prevent damage to the corners when the corrugated cardboard is deformed into a curved shape.

18. The method of claim 17,
Wherein a plurality of face portions of the corrugated board
A side portion including a plurality of side surfaces provided to form a side surface of the cardboard packaging box;
An upper surface portion including a plurality of upper surfaces divided and provided to form an upper surface of the corrugated cardboard box,
A lower surface portion including a plurality of lower surfaces provided to be divided to form a lower surface of the corrugated cardboard box;
And a connection portion formed at one end of the plurality of side surfaces and connected to a side surface of the other end portion of the corrugated cardboard box.

19. The method of claim 18,
The cut-
A first incision portion formed in the corrugation of the corrugated cardboard;
And a second cut-out portion extending obliquely from both ends of the first cut-out portion.

19. The method of claim 18,
The cut-
Wherein a plurality of corrugated cardboard boxes are formed between the side surface portion and the upper surface portion and between the side surface portion and the lower surface portion.

19. The method of claim 18,
Upon curvature deformation of the corrugated cardboard,
And a variable portion provided to vary the gap between the plurality of upper surfaces and the plurality of lower surfaces.

22. The method of claim 21,
The variable-
And a first variable portion formed to be able to change an angle between one upper surface of the plurality of upper surfaces and another upper surface adjacent to the upper surface.

22. The method of claim 21,
The variable-
And a second variable portion formed to be able to vary the angle between one upper surface of the plurality of lower surfaces and another lower surface adjacent to the upper surface.

17. The method of claim 16,
The corrugated cardboard box may be vertically separable,
A first box provided to form an upper portion,
A second box detachably coupled to a lower portion of the first box,
And a fixing unit detachably connecting the first box and the second box.

25. The method of claim 24,
The fixing unit includes:
A first fixing hole formed in the first box,
A second fixing hole formed in the second box,
And a fixing member provided to penetrate through the first fixing hole and the second fixing hole.

22. The method of claim 21,
Upon curved deformation of the cardboard box,
Wherein the plurality of upper surfaces and the plurality of lower surfaces are overlapped with each other.

27. The method of claim 26,
Wherein the plurality of upper surfaces and the plurality of lower surfaces each include a folding line and a cutting line,
And the cutting line is formed to abut on the folding line when the folding line is folded with respect to the folding line.