JP4086366B2 - Packaging box - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cardboard packaging box for collecting and packaging beverage bottles and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as shown in FIG. 7 , a packaging box for packaging a large number of bottles vertically and horizontally is known. This packaging box is made of the blank shown in FIG. 6 , and includes a bottom wall 50, a peripheral wall 51, and a top wall 52. The peripheral wall 51 has a configuration in which a pair of side plates 53, 53 and end plates 54, 54 rising from the bottom wall 50 are connected via a corner plate 55, and the peripheral wall 51 and the top wall 52 are composed of the end plate 54 and the side plate 53. An inner flap 56 and an outer flap 57 respectively extending from the upper and lower end edges are overlapped. In the peripheral wall 51, ruled lines 58 are formed on both side edges of the corner plate 55, and these have the same flexibility.
[0003]
To package a bottle with this packaging box, first, the blank is folded along a mandrel corresponding to the inner shape of the box. At this time, the corner plate 55 is inclined in a chamfered manner with respect to the side plate 53 and the end plate 54 along the ruled line 58. Thereafter, the bottle assembly is inserted into the box from above the peripheral wall 51 with the top wall 52 opened.
[0004]
[Problems to be solved by the invention]
By the way, the packaging box as described above has a smaller gap between the corner of the peripheral wall and the bottle than the one having a square peripheral wall, so that the bottle is securely held, and the corner of the peripheral wall is along the ridgeline. Since the obtuse angle is formed, there is an advantage that the ridge portion is not easily recessed.
[0005]
On the other hand, however, there is a problem that an expensive machine including a dedicated mandrel or an actuator for placing a blank on the mandrel is required as a packaging machine used for assembly.
[0006]
Accordingly, an object of the present invention is to provide a packaging box whose corners of the peripheral wall are inclined in a chamfered shape in a packaged state and can be easily assembled.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, the packaging box according to the present invention extends to each corner of the peripheral wall rising from the bottom wall in parallel with an easy-bending strong ruled line and with both sides spaced apart in parallel. to form the shape of a weak borders difficult, when extruding the wall from the inside in a folded state in rectangular shape along the strong border, each corner of the peripheral wall is bent at an obtuse angle along the strong border and weak ruled It was designed to be inclined in a chamfered shape.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS. This packaging box consists of the blank shown by FIG. 1, and this blank is provided with the part which comprises the bottom wall 1, the surrounding wall 2, and the top wall 3. As shown in FIG. In the portion of the peripheral wall 2, a pair of side plates 4, 4 and end plates 5, 5 arranged alternately are connected via a corner plate 6. The passage pieces 7 are successively arranged. In the center of the corner plate 6, an easily bent strong ruled line 8 such as a sewing ruled line is formed in the vertical direction. On both side edges of the corner plate 6, a weak ruled line 9 such as a stamped line that is difficult to bend than the strong ruled line 8 is formed. Has been. An inner flap 10 and an outer flap 11 are connected to the upper and lower edges of the end plate 5 and the side plate 4, respectively, and these are portions forming the bottom wall 1 and the top wall 3. The base end portions on both sides of the inner flap 10 and the outer flap 11 are inclined so as to follow the upper and lower edges of the peripheral wall 2 at the time of assembly.
[0009]
In order to wrap the bottle in this packaging box, first, as shown in FIG. 2, the blank is bent along the strong ruled line 8 so that the peripheral wall 2 forms a square shape, and the passage piece 7 is the opposite end. Adhere to. Then, as shown in FIG. 3, the inner flap 10 and the outer flap 11 of the bottom wall 1 are sequentially bent inward. These bendings can be performed with a general-purpose packaging machine. The outer flap 11 may be bent later.
[0010]
In this state, as shown in FIG. 4 and FIG. 5, when the accumulated body of bottles B arranged vertically and horizontally is inserted from above the peripheral wall 2, the peripheral wall 2 is pushed out from the inside, and each corner has a strong ruled line 8 and a weak ruled line. 9 is bent at an obtuse angle, each corner plate 6 is inclined in a chamfered shape, and the peripheral wall 2 becomes a dodecagon.
[0011]
Thereafter, the inner flap 10 and the outer flap 11 of the bottom wall 1 are bonded together to close the bottom surface, the inner flap 10 and the outer flap 11 of the ceiling wall 3 are sequentially folded inward, and these are bonded together to close the top surface. .
[0012]
According to the packaging box of the above you facilities embodiment, without using an expensive packaging machines with a dedicated mandrel and an actuator, packaging the stack of bottles B by HasuMuko corners of the peripheral wall 2 in beveled Can do.
[0013]
Of course, the peripheral wall 2 is formed into an octagon or a dodecagon in advance using a mandrel, and the accumulation body of the bottle B is inserted in a state where the inner flap 10 and the outer flap 11 of the bottom wall 1 are bonded together. May be.
[0014]
Moreover, when the inner wall of the peripheral wall 2 is set smaller than the size of the accumulation body of the bottle B, and the accumulation body of the bottle B is press-fitted from above the peripheral wall 2, the accumulation body of the bottle B is tightened by the peripheral wall 2, Since the bottles B are in close contact with each other, breakage due to the mutual collision of the bottles B can be prevented, and the packaging material can be reduced in grade.
[0015]
【The invention's effect】
As described above, the packaging box according to the present invention has a strong ruled line that can be bent easily at each corner of the peripheral wall rising from the bottom wall, and a weak ruled line that extends in parallel at intervals on both sides and is less likely to be bent. form forms the door, when extruding the wall from the inside in a folded state in rectangular shape along the strong border, bent at an obtuse angle each corner of the peripheral wall along the strong border and weak borders, obliquely chamfered shape It is easy to assemble with a general-purpose packaging machine and can be packaged efficiently at low cost.
[Brief description of the drawings]
FIG. 1 is a diagram showing a blank of a first embodiment of a packaging box according to the present invention. FIG. 2 is a perspective view in which the peripheral wall is rectangular. FIG. 3 is a bottom view of the same. The perspective view which shows the packaging state which inclined the part in the chamfer shape [FIG. 5] Bottom view same as the above
FIG. 6 shows a conventional packaging box blank.
FIG. 7 is a perspective view showing a packaging state in which the corner of the peripheral wall is inclined in a chamfered manner.
1 bottom wall 2 peripheral wall 3 top wall 4 side plate 5 end plate 6 corner plate 8 strong ruled line 9 weak ruled line 10 inner flap 11 outer flap

Claims (1)

At each corner of the peripheral wall rising from the bottom wall, and a bending easier strong border, extending parallel at intervals on both sides, it forms the shape of a bent hardly weak borders than this, along the peripheral wall in the strong border A packaging box in which each corner portion of the peripheral wall is bent at an obtuse angle along the strong ruled line and the weak ruled line and inclined obliquely in a chamfered shape when extruded from the inside in a state of being bent into a square shape.

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