JP2021050000A - Packing box, and manufacturing method thereof - Google Patents

Abstract

To provide a packing box, and a manufacturing method thereof which can house products in two housing parts, and can be easily manufactured.SOLUTION: A packing box 10 is formed from one sheet material, and comprises housing parts 12A, 12B. The housing part 12A has a front plate 13A, a back plate 14A, and first and second side plates 15A, 16A. The housing part 12B has a front plate 13B, a back plate 14B, and first and second side plates 15B, 16B. The first side plate 15A and the second side plate 16A are continuous. The front plate 13A has a continuously formed bonding flap 33. A hinge part 37 is provided by bonding the bonding flap 33 on the front plate 13B and the second side plate 16B.SELECTED DRAWING: Figure 4

Description

The present invention relates to a packaging box for storing a product and a method for manufacturing the same.

Conventionally, there is a packaging box in which a plurality of products are stored inside during transportation, and the products can be exposed and displayed when displayed. For example, Patent Document 1 describes a packaging box in which two boxes capable of storing a product are connected. In such a packaging box, a box body for storing products is connected by using an adhesive tape or the like for connection. Patent Document 2 describes a packaging box assembled from three sheet members and in which two boxes are connected. Further, in these packaging boxes, a part of the box body for storing the product is opened at the time of display, and the product can be exposed from the opening.

Japanese Unexamined Patent Publication No. 60-58334 Special Fair 3-18581 Gazette

However, in the packaging box described in Patent Document 1, two boxes are assembled from a sheet material, and further, an adhesive tape is attached and connected, which is very troublesome to manufacture. Further, in the packaging box described in Patent Document 2, three sheet materials are required, and a step of assembling and integrating these is required, which is also troublesome.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a packaging box in which products can be stored in two storage portions and which can be easily manufactured, and a method for manufacturing the same.

In order to achieve the above object, the packaging box of the present invention is formed of a single sheet material and includes two storage portions for storing products, which are a front plate, a back plate, and a front plate. It is a square cylinder having first and second side plates connecting the back plate and the back plate, and the first side plate constituting one storage portion and the second side plate constituting the other storage portion are continuously formed. , The front plate constituting one of the storage portions has a continuously formed adhesive flap, and the adhesive flap is attached to the front plate and the second side plate constituting the other storage portion to be hinged. There is a part.

The sticking flap is formed in an elongated rectangular shape, and is a dividing line that divides along the width direction intersecting the longitudinal direction. The sticking flap is divided into a first sticking portion and a second sticking portion, and the first sticking portion is formed. It is preferable that the portion is attached to the second side plate constituting the other storage portion, and the second attachment portion is attached to the front plate constituting the other storage portion.

The two storage portions have an opening that penetrates the front plate, and the opening preferably exposes the product stored in the storage portion.

The sheet material is preferably paperboard. The sheet material is preferably corrugated cardboard.

The method for manufacturing a packaging box of the present invention is formed from a single sheet material, includes two storage portions for storing products, and the two storage portions include a front plate, a back plate, a front plate, and a back plate. It has a square tubular shape having first and second side plates to be connected, and the first side plate constituting one storage portion and the second side plate constituting the other storage portion are continuously formed, and one of the storage portions is stored. The front plate constituting the portion has a continuously formed adhesive flap, and the adhesive flap is attached to the front plate and the second side plate constituting the other storage portion to form a hinge portion. In the method of manufacturing the packaging box provided, the sticking flap is formed in an elongated rectangular shape and is a dividing line that divides along the width direction intersecting the longitudinal direction, and is a first sticking portion and a second sticking portion. It is divided into a wearing part, and when the storage part of the sheet material is assembled, when the surface exposed to the outside is the front surface and the surface hidden inside is the back surface, the first application is performed by the first adhesive application device. It is the back surface of the front plate constituting the other storage portion by the first adhesive application step of applying the adhesive to the back surface of the attachment portion and the second adhesive application device, and faces the second attachment portion. The second adhesive application step of applying the adhesive to the portion, the first adhesive portion to which the adhesive is applied by the first adhesive application step, and the back surface of the second side plate constituting the other storage portion are formed. It includes a first sticking step of sticking, a second sticking step of sticking the back surface of the front plate to which the adhesive is applied by the second adhesive applying step, and the second sticking portion.

According to the present invention, it is possible to provide a packaging box in which a product can be stored in two storage portions and can be easily manufactured.

It is a perspective view which shows the packaging box in a closed state. It is a perspective view which shows the packaging box in an open state. It is a developed view which shows the sheet material in the developed state. It is a perspective view which cut out a part of a packaging box. It is explanatory drawing explaining the 1st and 2nd adhesive application process. It is explanatory drawing explaining the 1st sticking process. It is explanatory drawing explaining the 2nd sticking process. It is explanatory drawing explaining the process of storing a product in a storage part. It is explanatory drawing explaining the process of bending a side flap. It is explanatory drawing explaining the process of closing the upper lid and the lower lid. It is a development drawing which shows the sheet material in the developed state in the case of manufacturing a packaging box by a conventional manufacturing method.

As shown in FIGS. 1 and 2, the packaging box 10 of the present invention can store two products 11 inside during transportation, and can expose the products at the time of display. In the present embodiment, as the product 11, a PET bottle container filled with drinking water or the like is illustrated.

The packaging box 10 is formed of one sheet material 20 (see FIG. 3), and includes two storage portions 12A and 12B for storing the product 11. The storage portions 12A and 12B are connected via a hinge portion 37 (see FIG. 4) described later. The sheet material 20 constituting the packaging box 10 is preferably paperboard or corrugated cardboard.

By cutting the packaging box 10 along the perforations 31 and 32 described later from the closed state shown in FIG. 1, the storage portions 12A and 12B can be divided for the portions other than the hinge portion 37. As a result, the open state shown in FIG. 2 can be obtained. In the open state, the product 11 inside can be exposed through the openings 27A and 27B. When the packaging box 10 is in the closed state, the openings 27A and 27B are located so as to face each other and are not exposed to the outside.

As shown in FIG. 3, one storage portion 12A has a front plate 13A, a back plate 14A, and first and second side plates 15A and 16A. Of the sheet materials 20, when the storage portions 12A and 12B are assembled, the surface exposed to the outside is the front surface, and the surface hidden inside is the back surface. FIG. 3 shows the back surface of the sheet material 20. Further, in FIG. 3, a thick solid line represents a cutting line, a thin solid line represents a crease, and a broken line represents a perforation.

The front plate 13A, the back plate 14A, and the first and second side plates 15A and 16A are formed in a rectangular shape, respectively. In the unfolded sheet material 20 shown in FIG. 3, the front plate 13A, the second side plate 16A, the back plate 14A, and the first side plate 15A are formed side by side in this order. By folding the sheet material 20 along the creases through the adhesive application step and the sticking step described later, the storage portion 12A has the first and second ends of the front plate 13A and both ends of the back plate 14A. It is formed in a square tubular shape connecting the side plates 15A and 16A. As a result, the storage unit 12A can store the product 11 inside.

The storage portion 12A has an upper lid 17A and a lower lid 18A. The upper lid 17A and the lower lid 18A are continuous with the first side plate 15A, and are formed so as to be openable and closable via the fold bars 21A and 22A in contact with the first side plate 15A. Further, in the upper lid 17A and the lower lid 18A, lid lock flaps 23A and 24A are continuously formed at the ends opposite to the first side plate 15A.

Further, in the front plate 13A and the back plate 14A, side flaps 25A and 26A are continuously formed from two of the four sides that do not come into contact with the first and second side plates 15A and 16A. The side flaps 25A and 26A are folded inside the upper lid 17A and the lower lid 18A.

The front plate 13A has an opening 27A. The opening 27A is formed in a rectangular shape penetrating the front plate 13A. As a result, the opening 27A exposes the product 11 stored in the storage portion 12A.

The other storage portion 12B has substantially the same configuration as the storage portion 12A, and has a front plate 13B, a back plate 14B, and first and second side plates 15B and 16B. The front plate 13B, the back plate 14B, and the first and second side plates 15B and 16B are formed in a rectangular shape like the front plate 13A, the back plate 14A, and the first and second side plates 15A and 16A described above, respectively. In the unfolded sheet material 20 shown in FIG. 3, the second side plate 16B, the back plate 14B, the first side plate 15B, and the front plate 13B are formed side by side in this order. The storage portion 12B is formed in a square tubular shape by folding the sheet material 20 along the creases through the adhesive application step and the sticking step described later. As a result, the storage unit 12B can store the product 11 inside.

Further, the storage portion 12B has an upper lid 17B and a lower lid 18B. The upper lid 17B and the lower lid 18B are continuous with the second side plate 16B, and are formed so as to be openable and closable via the creases 21B and 22B in contact with the second side plate 16B.

The first side plate 15A constituting the storage portion 12A and the second side plate 16B constituting the storage portion 12B are continuously formed via the crease 28. Therefore, the upper lid 17A and the lower lid 18A continuously formed on the first side plate 15A and the upper lid 17B and the lower lid 18B continuously formed on the second side plate 16B are adjacent to each other.

In the present embodiment, perforations 31 and 32 are formed between the adjacent upper lids 17A and 17B and between the adjacent lower lids 18A and 18B. In the packaging box 10, the upper lid 17A and the upper lid 17B are connected to each other through the perforation 31, and the lower lid 18A and the lower lid 18B are connected to each other through the perforation 32, so that the front plates 13A and 13B face each other. It can be kept closed. On the other hand, the packaging box 10 can divide the upper lid 17A and the upper lid 17B along the perforation 31 and the lower lid 18A and the lower lid 18B along the perforation 32, respectively. By dividing the upper lids 17A and 17B and the lower lids 18A and 18B, the closed state shown in FIG. 1 can be changed to the open state shown in FIG.

Further, the upper lid 17B and the lower lid 18B are formed with lid lock flaps 23B and 24B continuously formed at ends on the opposite side of the second side plate 16B. Further, in the front plate 13B and the back plate 14B, side flaps 25B and 26B are continuously formed from two of the four sides that do not come into contact with the first and second side plates 15B and 16B. The side flaps 25B and 26B are folded inside the upper lid 17B and the lower lid 18B.

The front plate 13B has an opening 27B. The opening 27B is formed in a rectangular shape that penetrates the front plate 13B. In the present embodiment, the opening 27B is formed to have the same size as the opening 27A, and similarly to the opening 27A, the product 11 stored in the storage portion 12B is exposed.

The front plate 13A constituting the storage portion 12A is formed with a continuous attachment flap 33 via a folding bar 29. The sticking flap 33 is in contact with the side of the four sides of the front plate 13A opposite to the second side plate 16A.

The sticking flap 33 is a plurality of dividing lines 34 formed in an elongated rectangular shape along one side of the front plate 13A and divided along the width direction X orthogonal to the longitudinal direction Y. It is divided into a second attachment portion 36. In the present embodiment, the dividing lines 34 are arranged at positions that divide the sticking flap 33 into seven equal parts in the longitudinal direction, and the first sticking portion 35 and the second sticking portion 36 are arranged from both ends of the sticking flap 33. And are located alternately.

As shown in FIG. 4, the first attachment portion 35 is attached to the second side plate 16B constituting the storage portion 12B, and the second attachment portion 36 is attached to the front plate 13B constituting the storage portion 12B. Has been done. By attaching the attachment flap 33 to the second side plate 16B and the front plate 13B in this way, the packaging box 10 is provided with the hinge portion 37.

The steps of assembling the packaging box 10 of the present embodiment from the sheet material 20 and the steps of storing the products in the storage portions 12A and 12B will be described with reference to FIGS. 5 to 10. First, the outer shape, the dividing line 34, the openings 27A, 27B, etc. are cut from the paper material such as paperboard by a well-known cutting device (not shown) to form the sheet material 20. The step of bending the sheet material 20 is performed by a well-known box making machine or a human hand.

Next, as shown in FIG. 5, the first and second adhesive coating steps of applying the adhesive are performed by the first and second adhesive coating devices 41 and 42.

In the first adhesive application step, the adhesive is applied to the back surface (the hatched portion of FIGS. 3 and 5) of the first adhesive portion 35 by the first adhesive application device 41. The first adhesive coating device 41 is, for example, a jet-type adhesive coating device, and can spray and apply an adhesive such as liquid glue. The first adhesive application device 41 can apply the adhesive only to the back surface of the first adhesive portion 35 by intermittently injecting the sheet material 20 while moving the sheet material 20 along the longitudinal direction Y. it can.

In the second adhesive coating step, the back surface of the front plate 13B constituting the storage portion 12B is formed by the second adhesive coating device 42, and when the sheet material 20 is folded along the creases, the second adhesive is applied. The adhesive is applied to the portion 38 (the hatched portion of FIGS. 3 and 5) facing the landing portion 36. The second adhesive coating device 42 is, for example, a jet-type adhesive coating device similar to the first adhesive coating device 41. The second adhesive coating device 42 intermittently injects the sheet material 20 while moving the sheet material 20 along the longitudinal direction Y, so that only the portion 38 of the front plate 13B facing the second adhesive portion 36 is covered. Adhesive can be applied.

In the present embodiment, the first and second adhesive coating steps have been described as separate steps, but the first and second adhesive coating devices 41 and 42 are moved while moving the sheet material 20, respectively. It may be operated intermittently as one step.

As shown in FIG. 6, after the first and second adhesive application steps, the first adhesive portion 35 to which the adhesive is applied by the first adhesive application step and the second side plate constituting the storage portion 12B are formed. The first sticking step of sticking with the back surface of 16B is performed. The sheet material 20 is folded along the creases 43 in contact with the second side plate 16A and the back plate 14A (state shown in FIG. 6A). As a result, the first sticking portion 35 and the back surface of the second side plate 16B can be stuck (the state shown in FIG. 6B).

Next, as shown in FIG. 7, a second attachment portion 36 is attached to the back surface of the front plate 13B constituting the storage portion 12B to which the adhesive is applied by the second adhesive application step. Perform the pasting process. The sheet material 20 is folded along the creases 44 in contact with the first side plate 15B and the back plate 14B (state shown in FIG. 7A). As a result, the second attachment portion 36 and the back surface of the front plate 13B can be attached (the state shown in FIG. 7B).

The hinge portion 37 is provided by the first and second attachment steps as described above. Further, the front plate 13A and the first side plate 15A are connected, and the front plate 13B and the second side plate 16B are connected.

Next, a process of assembling the storage portions 12A and 12B and storing the product 11 inside will be described. As shown in FIG. 8A, along the fold bar 43, the fold bar 45 where the front plate 13A and the second side plate 16A are in contact, the fold bar 46 where the back plate 14A and the first side plate 15A are in contact, and the hinge portion 37. The sheet material 20 is bent at a right angle. As a result, the square tubular storage portion 12A can be formed.

On the other hand, the sheet material 20 is bent at a right angle along the folding bar 44, the folding bar 47 where the front plate 13B and the first side plate 15B are in contact, the folding bar 48 where the back plate 14B and the second side plate 16B are in contact, and the hinge portion 37. As a result, the square tubular storage portion 12B can be formed. Then, as shown in FIG. 8B, the product 11 can be stored in the storage portions 12A and 12B formed in the shape of a square cylinder, respectively.

As shown in FIG. 9A, after the product 11 is stored in the storage portions 12A and 12B, the side flaps 25A and 26A are perpendicular to the front plate 13A and the back plate 14A as shown in FIG. 9B. The side flaps 25B and 26B are bent at right angles to the front plate 13B and the back plate 14B to cover the top surface and the bottom surface of the storage portion 12A.

Next, as shown in FIG. 10A, the lid lock flaps 23A and 24A are bent at right angles to the upper lid 17A and the lower lid 18A so as to face the storage portion 12A. On the other hand, the lid lock flaps 23B and 24B are bent at right angles to the upper lid 17B and the lower lid 18B so as to face the storage portion 12B.

As shown in FIG. 10B, after the lid lock flaps 23A, 24A, 23B, 24B are bent, the upper lid 17A, lower lid 18A, upper lid 17B, lower lid 18B are formed along the folding lines 21A, 22A, 21B, 22B. The lid lock flaps 23A and 24A are placed in the gap between the side flaps 25A and 26A and the second side plate 16A, and the lid lock flaps 23B and 24B are used as the side flaps 25B and 26B and the first side plate 15B. Insert it into the gap of. As a result, the lid lock flaps 23A and 24A are locked to the back surface of the second side plate 16A, and the lid lock flaps 23B and 24B are locked to the back surface of the first side plate 15B. Is kept closed.

As described above, in the present embodiment, the packaging box 10 having the two storage portions 12A and 12B can be assembled from one sheet material 20 and the product 11 can be stored inside the storage portions 12A and 12B. In particular, since the hinge portion 37 is provided by attaching the attachment flap 33 to the second side plate 16B and the front plate 13B, the packaging box 10 can be easily manufactured.

Further, in particular, in the first and second adhesive application steps, when the adhesive is applied together, it is applied to the back surface of the sheet material 20, so that the work can be easily performed and the packaging box can be easily applied. Can be manufactured.

Note that FIG. 11 shows a sheet material 100 in an unfolded state when a packaging box in which two storage portions are connected is manufactured by a conventional manufacturing method. In the sheet material 100, the front plate 113A, the second side plate 116A, the back plate 114A, and the first side plate 115A are formed in this order, and the second side plate 116B, the back plate 114B, the first side plate 115B, and the front plate 113B are formed in this order. , The first side plate 115A and the second side plate 116B are continuously formed. The front plate 113A is continuously formed with a sticking flap 119A, and the front plate 113B is continuously formed with a sticking flap 119B. Further, the sheet material 100 has an upper lid 117A and a lower lid 118A continuous with the first side plate 115A, and an upper lid 117B and a lower lid 118B continuous with the second side plate 116B.

When assembling a packaging box in which two storage portions are connected from the sheet material 100, for example, the surfaces of the attachment flaps 119A and 119B are attached to each other, and the attachment flaps 119A and 119B are attached to the back surface of one storage portion. The back of either one must be affixed. That is, one of the adhesive flaps 119A and 119B has to be coated with an adhesive on both the front surface and the back surface, which is very troublesome to manufacture. On the other hand, in the packaging box 10 of the present invention, as described above, the adhesive only needs to be applied to the back surface of the sheet material 20, so that the manufacturing can be easily performed.

Further, openings 27A and 27B are formed in the front plate 13A and the front plate 13B, and when the packaging box 10 is in the closed state, the openings 27A and 27B face each other to hide the product 11 and are in the open state. In the case of, the product 11 can be exposed through the openings 27A and 27B. As a result, when the product is transported, that is, when the packaging box 10 is closed, the product can be reliably protected from damage or scratches, and when the product 11 is displayed, the product is opened. 11 can also be exposed.

Further, the packaging box 10 has perforations 31 and 32. At the time of transportation, the packaging box 10 is connected via the perforations 31 and 32, so that the closed state that completely covers the product 11 can be maintained. On the other hand, by cutting along the perforations 31 and 32 from the closed state, the product 11 can be opened to be exposed. By cutting the perforations 31 and 32 in this way, which is like opening the seal, it is possible to provide the fun that the product 11 appears from the packaging box 10.

The present invention is not limited to the above embodiment, and the detailed configuration can be changed as appropriate. For example, in the above embodiment, a PET bottle is exemplified as a product to be stored in a packaging box, but the present invention is not limited to this, and any product that can be distributed may be used. Further, in the adhesive application step, a jet-type adhesive application device is used, but the present invention is not limited to this, and it is sufficient that an adhesive such as brush coating or transfer by stamp can be applied.

The opening formed in the storage portion and exposing the product is not limited to a rectangular shape, and can be appropriately changed as long as it has a shape capable of exposing the inside. Further, in order to prevent the product from being directly touched during the display, a transparent film may be attached to the opening.

[Additional Notes]
Formed from a single sheet material,
Equipped with two storage compartments for storing products
The two storage portions have a square tubular shape having a front plate, a back plate, and first and second side plates connecting the front plate and the back plate.
The first side plate constituting one of the storage portions and the second side plate constituting the other storage portion are continuously formed.
A perforation is formed between the first lid continuous with the first side plate constituting one of the storage portions and the second lid continuous with the second side plate constituting the other storage portion.
The lids are connected to each other through the perforations to keep them closed.
A packaging box that can be opened from the closed state by dividing the lid along the perforation.

10 Packaging box 11 Product 12A, 12B Storage 13A, 13B Front plate 14A, 14B Back plate 15A, 15B First side plate 16A, 16B Second side plate 17A, 17B Upper lid 18A, 18B Lower lid 20 Sheet material 21A, 21B Folded bar 22A , 22B Folded bars 23A, 23B Lid lock flaps 24A, 24B Lid lock flaps 25A, 25B Side flaps 26A, 26B Side flaps 27A, 27B Openings 28, 29 Folded bars 31, 32 Perforations 33 Adhesive flaps 34 Dividing line 35 1 Sticking part 36 Second sticking part 37 Hinge part 38 Part facing the second sticking part 41 First adhesive coating device 42 Second adhesive coating device 43,44 Folded streaks 45,46 Folded streaks 47 , 48 Folded bar 100 Sheet material 113A, 113B Front plate 114A, 114B Back plate 115A, 115B First side plate 116A, 116B Second side plate 117A, 117B Upper lid 118A, 118B Lower lid 119A, 119B Adhesive flap X Width direction Y Longitudinal direction

Claims (6)

Formed from a single sheet material,
Equipped with two storage compartments for storing products
The two storage portions have a square tubular shape having a front plate, a back plate, and first and second side plates connecting the front plate and the back plate.
The first side plate constituting one of the storage portions and the second side plate constituting the other storage portion are continuously formed.
The front plate constituting one of the storage portions has a continuously formed sticking flap.
A packaging box provided with a hinge portion by attaching the sticking flap to the front plate and the second side plate constituting the other storage portion. The sticking flap is formed in an elongated rectangular shape, and is a dividing line that divides along the width direction intersecting the longitudinal direction, and is divided into a first sticking portion and a second sticking portion.
The first attachment portion is attached to the second side plate constituting the other storage portion.
The packaging box according to claim 1, wherein the second attachment portion is attached to the front plate constituting the other storage portion. The two storage portions have an opening that penetrates the front plate.
The packaging box according to claim 1 or 2, wherein the opening exposes the product stored in the storage portion. The packaging box according to any one of claims 1 to 3, wherein the sheet material is paperboard. The packaging box according to any one of claims 1 to 3, wherein the sheet material is corrugated cardboard. Formed from a single sheet material,
Equipped with two storage compartments for storing products
The two storage portions have a square tubular shape having a front plate, a back plate, and first and second side plates connecting the front plate and the back plate.
The first side plate constituting one of the storage portions and the second side plate constituting the other storage portion are continuously formed.
The front plate constituting one of the storage portions has a continuously formed sticking flap.
A method for manufacturing a packaging box in which the attachment flap is attached to the front plate and the second side plate constituting the other storage portion to provide a hinge portion.
The sticking flap is formed in an elongated rectangular shape, and is a dividing line that divides along a width direction intersecting the longitudinal direction, and is divided into a first sticking portion and a second sticking portion, and the sheet material. Of these, when the storage portion is assembled, the surface exposed to the outside is the front surface, and the surface hidden inside is the back surface.
The first adhesive application step of applying the adhesive to the back surface of the first attachment portion by the first adhesive application device, and
A second adhesive application step of applying an adhesive to a portion of the front plate that constitutes the other storage portion and faces the second attachment portion by the second adhesive application device. ,
A first sticking step of sticking the first sticking portion to which the adhesive is applied by the first adhesive applying step and the back surface of the second side plate constituting the other storage portion.
A method for manufacturing a packaging box, which comprises a second sticking step of sticking the back surface of the front plate to which the adhesive is applied by the second adhesive applying step and the second sticking portion.

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