JPH11139424A - Packaging container made of corrugated fiberboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging container made of corrugated fiberboard whose appearance is excellent and which is inexpensive by constituting a body of two structures to be joined. SOLUTION: A structure 14 comprising a paper board 11, a paper board 12 or a cardboard 21 and a corrugating medium 13 interposed there between molded into a corrugated form, and a structure 15 are formed of corrugated fiberboard compositions different from etch other, indication is applied to each by lithography 19 such as offset printing and flexography 20, and the structures are joined at two parts including a joint 16 and a joint 17, thereby forming a packaging box 18. Thus the appearance is excellent, the cost is low and the handlability can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cardboard packaging container for accommodating a product main body and the like.

[0002]

2. Description of the Related Art As shown in FIG. 5, a conventional corrugated cardboard packaging container of this type is a paperboard 1 located on a product side, a paperboard 2 located on an external side, and a corrugated sheet formed between them. The paperboard is formed as a thick structure by the core 3 and the single structure or a plurality of structures made of the same material is bonded and stapled at one or more joints 4. The flaps 7 and 8 covering the upper opening 5 and the lower opening 6 are formed into a box shape to form a packaging container. Generally, the corrugations of the core 3 are formed in the horizontal direction in order to have a compressive strength at the time of stowage and to facilitate production.

On the surface of the structure of the packaging container, a printing 9 for displaying a product number, a product appearance, characteristics, and the like is performed by the same printing method such as lithographic printing such as offset printing and flexographic printing. Was. Generally, offset printing is performed on a cardboard of about 1 mm or more and then pasted on a single corrugated cardboard, sheet-fed printing on a sheet that has become corrugated cardboard, or preprinted on a corrugated machine after printing on cardboard with a corrugated machine Flexographic printing manufactured by is widely used.

[0004]

However, in the above-mentioned conventional construction, since the structure is manufactured by the same material and the same printing method, it is not possible to print a fine expression or to use a printing method capable of a fine expression. The price was getting higher.
Further, the cut end face of the corrugated cardboard of the joint portion 4 appeared in the appearance, so it was unsightly.

The present invention solves the above-mentioned conventional problems, and comprises a body portion formed by joining two structural bodies, and displaying by using different printing methods, thereby providing a low-cost corrugated cardboard with good appearance quality. It is intended to provide packaging containers.

[0006]

In order to achieve the above object, a cardboard packaging container according to the present invention has a body formed by joining two joints of two structural bodies.
Different cardboard configurations can be used and the display can be made on different display means.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a structure of a vehicle body according to a first embodiment of the present invention; Then, the two structures are formed in different cardboard configurations. With this configuration, the cardboard configuration can be freely selected in consideration of the price.

According to a second aspect of the present invention, there are provided two structures constituting a trunk, and joining means for joining an end of the trunk of the structure, wherein the two structures have different surfaces. It is formed by printing means. With this configuration, the fineness of the display can be freely selected in consideration of the price.

The invention according to claim 3 provides a structure in which the body is printed on a corrugated cardboard sheet or a structure in which the body is printed on cardboard and then adhered to corrugated cardboard with a corrugating machine.
And printed on cardboard and then attached to a single cardboard. With this configuration, it is possible to relatively freely select the fiber direction of the pulp constituting the cardboard generally supplied as a sheet.

The invention according to claim 4 has a plurality of overlapping top flaps for sealing the top surface of the box, wherein one surface of the two structures is lithographically printed, and the other surface is covered by lithographic printing. And the lithographic printing display side is the outer flap of the top flap. With this configuration, it is possible to perform display with fine printing on the top surface in addition to the body.

According to a fifth aspect of the present invention, there is provided a structure comprising a body, a joining means for joining a joint end of the structure, and a display having a display portion on a surface thereof. The display object is stuck on the joint of the body. With this configuration, it is possible to cover the cut end face of the cardboard at the joint,
Even if there is a joint, the joint does not appear in the appearance, and a display design in which adjacent surfaces are associated with each other can be performed.

Further, the invention according to claim 6 has a structure constituting a body portion, and a joining means for joining a joint end of the structure, and the joint is joined to each joint end. A margin is formed, and each of the joint margins is bent and joined to the inside of the box. With this configuration, the cut end face of the corrugated cardboard at the joint does not appear in the appearance, and the cut end face does not directly touch the hand when handling a load, so that it is easy to handle.

[0013]

(Embodiment 1) Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In FIG. 1, a paperboard 11 located on the product side and a paperboard 12 located on the exterior side are shown.
And a corrugated core 13 positioned between them, a plurality of paperboards having a thickness 14 formed by bonding the paperboard 11 and the paperboard 12 to the core 13, and a structure 15. Is formed. The two structures, the structure 14 and the structure 15, are joined at two places of a joint 16 and a joint 17 to form a packaging box 18. Further, on the surface of the packaging box 18, the product number, the appearance, the characteristics, and the like of the product are displayed by lithographic printing 19 such as offset printing and flexographic printing 20 as surface printing means.

As a surface printing means, the structure 14 on which the flexographic printing 20 has been performed has a structure in which the fiber direction of the pulp forming the paperboard 11 and the paperboard 12 is substantially perpendicular to the wave direction of the core 13.
It is formed in the direction. As the surface printing means, the structure 15 on which the lithographic printing 19 has been performed is formed such that the fiber direction of the pulp constituting the paperboard 11 is formed in the A direction substantially perpendicular to the corrugated direction of the core 13. The fiber direction of the pulp constituting 21 is formed in the same B direction as the corrugated direction, and this is bonded to the core 13.

As described above, according to the present embodiment, in the case where the structure 15 is formed by attaching the lithographically printed thick paper 21 to the core 13 of a single cardboard, the single cardboard tends to warp in the wave direction. The cardboard 21 cancels out and a structure with less warpage is obtained.

The material grade, thickness, step, etc. of the structures 14 and 15 can be freely selected according to the printing method and the required strength.

It is to be noted that each print may be printed on another paper, and this paper may be bonded to the cardboard structures 14 and 15.

(Embodiment 2) Next, a second embodiment of the present invention will be described. In the embodiment shown in FIG. 2, the outer flap 2 overlapping the lower flap 23 for sealing the top surface 22 is provided.
4 are formed. Then, lithographic printing 26 such as offset printing is performed on the body structure 25 connected to the upper flap 24.
Are displayed on the other structures 27 by flexographic printing 28.

As described above, according to this embodiment, it is possible to secure a large appearance area of lithographic printing capable of fine display printing, and when viewed from an oblique direction, the entire box looks like the same printing. The display effect can also be improved.

(Embodiment 3) Next, a third embodiment of the present invention will be described. In the embodiment shown in FIG. 3, a seam 33 is formed at the joint 32 of the body structure 31. After the seam 33 is bent, the seam 33 is joined to the inner surface of the other end of the structure 31 with an adhesive. ing. Reference numeral 34 denotes a display object on the surface of which a display is performed by printing, and is attached to the structure 31 so as to cover the joint portion 32.

As described above, according to the present embodiment, the joint 3
2 is covered and a clean packaging container having a clean appearance is obtained.

(Embodiment 4) Next, a fourth embodiment of the present invention will be described. In the embodiment shown in FIG. 4, a margin 44 and a margin 45 are formed at the end 42 and the end 43 of the body structure 41, respectively. After bending the seam allowance 44 at one end inward and the seam allowance 45 at the other end bend inward, they are superimposed on the seam allowance 43 and joined by staples 45. The joining means may be an adhesive.

As described above, according to the present embodiment, the appearance is neat and the cut end face does not touch the hand when handling the load, so that no protective equipment such as gloves is required.

[0024]

According to the first aspect of the present invention, since the body ends of the two structures constituting the body are joined and the two structures are formed in different corrugated cardboard configurations, the display is finely detailed. The nature and configuration of the cardboard can be freely selected in consideration of the price.

According to the second aspect of the present invention, the end portions of the body portions of the two body portions constituting the body portion are joined and the two structures are formed by different surface printing means. ,
The cardboard configuration can be freely selected in consideration of the price.

According to the third aspect of the present invention, there is provided a structure in which the body is printed on a cardboard sheet or a structure in which the body is printed on a paperboard and then adhered to a cardboard with a corrugating machine.
After printing on cardboard, it was composed of a structure attached to a single corrugated cardboard, so that the fiber direction of the pulp constituting the cardboard was set to be substantially perpendicular to the fiber direction of the pulp constituting the paperboard. Thus, a force that tends to warp in the direction of the wave is canceled out, and a structure with less warpage can be obtained.

According to the fourth aspect of the present invention, a plurality of overlapping top flaps for sealing the top surface of the box are planographically printed by one surface of the two structures so that a finer display can be performed.
Display on the surface of the other structure by other printing means, and the lithographic printing display side is the upper flap of the top flap, so that fine printing can be performed not only on the trunk but also on the top, and the effect of store display at the time of sale Can also be improved.

According to the fifth aspect of the present invention, in the case where a display object provided with a display portion on the surface is attached to the joint portion of the structure constituting the body portion, the cut end surface of the cardboard of the joint portion is covered. Even if there is a joint portion, it is possible to associate the display designs of adjacent surfaces with each other.

According to the sixth aspect of the present invention, the joints of the structures forming the body are formed by forming a joint at each joint end and bending the joint to the inside of the box. ,
Since the cut end face of the corrugated cardboard at the joint does not appear on the appearance, it is not difficult to see, and the cut surface does not touch the hand when handling the load, so that it is easy to handle and the load handling property can be improved.

[Brief description of the drawings]

FIG. 1A is an external perspective view of a cardboard packaging container according to a first embodiment of the present invention. FIG. 1B is an enlarged cross-sectional view of a joint in the cardboard packaging container.

FIG. 2 is an external perspective view of a cardboard packaging container according to a second embodiment of the present invention.

FIG. 3 is an external perspective view of a cardboard packaging container according to a third embodiment of the present invention.

FIG. 4A is an external perspective view of a cardboard packaging container according to a fourth embodiment of the present invention. FIG. 4B is an enlarged cross-sectional view of a joint in the cardboard packaging container.

FIG. 5 is an external perspective view of a conventional cardboard packaging container.

[Explanation of symbols]

 11, 12 Paperboard 13 Core 14, 15, 31, 41 Structure 19, 26 Lithographic printing 20, 28 Flexo printing 23 Lower flap 33, 44, 45 Seam allowance 34 Display material

Claims (6)

[Claims] 1. A corrugated cardboard packaging container, comprising: two structural bodies constituting a trunk; and joining means for joining an end of the trunk of the structural body, wherein the two structural bodies are formed in different cardboard configurations. 2. A corrugated cardboard packaging container comprising two structures constituting a body, and joining means for joining the ends of the body to the structure, wherein the two structures are formed by different surface printing means. . 3. The two structures are a structure in which the body is printed on a corrugated cardboard sheet or printed on paperboard, and then laminated on a corrugated cardboard with a corrugating machine. 3. The corrugated cardboard packaging container according to claim 1, wherein the container comprises a body. 4. A plurality of overlapping top flaps for sealing the top surface of the box, wherein one of the two structures is displayed by lithographic printing and the other of the structures is displayed by another printing means.
3. The cardboard packaging container according to claim 1, wherein the lithographic printing display side is an outer flap of a top flap. 5. A structure comprising a body, a joining means for joining a joint end of the structure, and a display having a display portion on a surface, wherein the display is joined to the body. Cardboard packaging container stuck on the top. 6. A structure comprising a body and a joining means for joining a joint end of the structure, wherein the joint forms a seam at each joint end, A cardboard packaging container with the joint margin bent and bonded to the inside of the box.