JP2916279B2 - Packaging containers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging container suitable for packaging an inverted truncated cone-shaped article such as a yogurt cup, and more particularly to a so-called open-ended type having both open ends. The present invention relates to an improvement of a packaging container capable of stacking and storing articles in a plurality of stages.

[0002]

2. Description of the Related Art The above-described open-ended packaging container can store a plurality of articles with a small amount of material, and is suitable for retailing articles such as yogurt cups. Are stacked in two or more stages, which is more efficient when a large number of articles are stored.

[0003] As a conventional packaging container for storing such articles in a plurality of stacks, the articles are stacked in a plurality of rows and all of them are packaged together, or a container between the top wall and the bottom wall of the container. In some cases, two or more stages of storage space are formed by disposing a flat partition plate in parallel with each of these walls.

[0004]

However, in such a conventional packaging container, the holding of articles, particularly the holding of the lower part of the upper article and the upper part of the lower article, which cannot be directly held, is unstable. However, even if a partition plate is arranged between the articles of each stage, the holding of the lower part of the upper article and the upper part of the lower article is still unstable because the partition plate is merely a flat plate. For this reason, the stored articles cannot be held sufficiently, and there is a risk that the articles may fall off from the opening at the end of the container.

SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide a packaging container capable of always stably holding and storing articles stored in a plurality of stages without falling off from an end opening. I do.

[0006]

In order to achieve the above-mentioned object, a packaging container according to the present invention comprises a top wall, and both side walls which are respectively provided on both sides of the top wall via a folding curve. A bottom wall connected to the bottom of the side wall through a bent curve, a container body having openings at both ends, and a plurality of objects per stage;
In a packaging container having an open both ends capable of storing articles in a plurality of stages, a first holding portion for holding an upper portion of an article is formed at a connection portion between the top wall and the both side walls of the container body. the br /> also articles held in the first holding portion of the container body
A plurality of first top walls contacting the lower end of the
A plurality of second contacts with which the bottom surface of the article held by the first holding portion abuts;
Folded into a top wall, each of the first bottom walls and each of the second bottom walls, respectively.
Connected to the inner surfaces of both side walls of the container body
Other side walls to fit together and a second to hold the top of each article
2 between the top wall and the bottom wall.
Are arranged substantially parallel to these walls, and the partition plate
The distance between a pair of fold curves forming each first top wall is defined as
(2) The distance between the pair of fold lines forming the top wall is shorter than the distance between the pair of fold curves.
The first top wall above the second top wall.
In this way, a plurality of articles can be stacked and stored in a plurality of stages so as to be located above and below the partition plate.

[0007]

According to the present invention having the above-described structure, the upper end of the upper article is held by the first holding portion formed at the connecting portion between the top wall and both side walls, and the second holding member is formed on the partition plate.
The holding section holds the upper end of the lower article, and further, the movement of the lower end of the upper article is formed on the partition plate by a pair of first parts .
Since the packaging is performed in such a manner as to be regulated by the top wall, the lower end of the upper article and the partition plate regulate the movement toward the opening at both ends of each other, so that both the upper and lower articles are stable. Is held.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments shown in the drawings.

FIGS. 2 and 3 show the material of the packaging container of the present invention. FIG.
FIG. 3 shows a blank 20 of the partition plate.

In FIG. 2, an exterior material 1 is entirely formed of a substantially rectangular sheet material, and a substantially rectangular top wall 2 is formed at the center. The top wall 2 has an area capable of accommodating a total of three articles in one row and three rows, for example, and has a central portion for easily disassembling the container when taking out the packaged articles. Disassembly part 3 for cutting is formed in a strip shape by two rows of perforations 4 and 4.

Side walls 6 and 6 are respectively provided on both sides of the top wall 2 through folding curves 5 and 5, and a connecting portion between the top wall 2 and the side walls 6 and 6 has A plurality of (three each) cutouts 7, 7... Which are fitted to the upper end of the article stored in the upper stage and constitute a first holding part for holding the article are formed by the folding curves 5, 5, respectively. It is formed at a position substantially overlapping the extension line. Plate portions 9a and 9b forming a bottom wall 9 are connected to each of the side walls 6 via folding curves 8 and 8, and a connecting portion between each of the side walls 6 and the plate portions 9a and 9b includes: A plurality (three each) to which the lower end of the article stored in the lower row fits
Are formed in a substantially T-shape such that a part thereof partially overlaps an extension of the folding curve 8.

The plate portion 9a is formed with a plurality (three) of mountain-shaped cutouts 11, 11,..., And the plate portion 9b is formed with bent curves 12, 12,. A plurality of (three) substantially hook-shaped tongue pieces 13, 13... Are formed, and when assembling the container, each tongue piece 13 is inserted into the corresponding notch 11, 11,. As a result, the bottom wall 9 is formed.

On the other hand, as shown in FIG. 3, the material 20 of the partition plate disposed inside the packaging container is made of a substantially rectangular sheet material as a whole. A top wall 21 having a shape and an area substantially corresponding to the top wall 2 of the exterior material 1 is formed. Side walls 24, 24 are continuously provided on both sides of the top wall 21 via folding curves 22, 22, and folding curves 23, 23 formed slightly outside the folding curve 22, respectively. Each folding curve 2
3 is formed so that two pieces each of which overlap each other at the extension position are paired to face the article storage position, and each folding curve 22 is provided continuously between the pair of article storage positions. And those that reach the edges of the material 20 outside the article storage positions at both ends. In addition, two folding curves 23, which form a pair facing one article storage position,
At a position substantially overlapping with the extension of 23, a second fitting for holding the article by fitting it to the upper end of the article stored in the lower stage
A plurality (three each) of the notches 25 constituting the holding portion 25, 25,...
Are formed.

The top wall 21 is provided with the folding curve 2 in order to divide the article storage position by two pairs each.
2 and 22, and a plurality of cuts 26 (26 in total, three pairs) in the direction orthogonal to the folding curves 23, 23 are formed on the side walls 24, 24 over the curves 23, 23. The notch 26 is formed in an arc shape such that the central portion thereof corresponds to the shape of the lower end portion of the article stored in the upper stage. The cuts 26 divide the top wall 21 into a first top wall 21a serving as a partition wall and a second top wall 21b serving as an article storage position. The top walls 21 are assembled by bending the bending curves 22 and 23. In this case, the positions of the cuts 26, 26,..., The fold curves 22, 22, and the fold curves 23, 23 are different .
Forming the first top walls 21a of the partition plate material 20
The distance between the pair of fold curves 22, 22 is defined by the second top wall 21.
shorter than the interval between the pair of folding curves 23, 23 forming b
By forming, a step is formed on the top wall 21 in a state where the second top wall 21b is slightly lower than the first top wall 21a.

In order to form the packaging container 28 shown in FIG. 1 from the material 1 and the material 20 described above, first, the material 2 of the partition plate is used.
The partition plate 29 is formed by mountain-folding each of the zero folding curves 22 and 23. FIG. 4 shows a state of the partition plate 29. Since the folding curves 22, 22 and the folding curves 23, 23 are slightly shifted from each other, the first top wall 21a and the second top wall 2 are not shown.
Are formed by the first top wall 21a.

Next, each folding curve 5, 5 of the exterior material 1
8, 8 are folded in a mountain, and the notch 7 formed at the connection between the top wall 2 and the side walls 6, 6 is provided with the article 3 stored in the upper stage.
After fitting and holding the upper end portion 30a of the
5, the partition plate 29 holding the upper end portion 31a of the article 31 stored in the lower tier is fitted and held, and the upper surface of the second top wall 21b is brought into contact with the bottom surface 30b of the article 30 stored in the upper tier. It is housed in the state that it was. And then, the exterior material 1
The tongue pieces 13, 13... Formed on the plate portion 9b are replaced with the cutout portions 11, 1 formed corresponding to the plate portion 9a, respectively.
1 to form a bottom wall 9 to complete a container in which articles are stored in two upper and lower tiers.

Next, the operation of this embodiment having the above-described configuration will be described.

As shown in FIG. 1, an article 30 and an article 31 are stored in two stages in a container body 28 of the packaging container.

The upper part 30 of the upper article 30 is fitted into a pair of cutouts 7, 7 formed at the connection between the top wall 2 and the side walls 6, 6 of the container body 28. The bottom surface 30b abuts on the upper surface of the second top wall 21b of the partition plate 29, and the movement in the direction toward the opening at both ends of the container 28 is positioned higher than the second top wall 21b. It is regulated by the step 27 of the first top wall 21a.

On the other hand, the lower article 31 has its upper end 31
a is held by being fitted into a pair of notches 25, 25 formed at the connection between the top wall 2 of the partition plate 29 and the side walls 6, 6, and the lower end 31b is container
It is shallowly fitted to a pair of notches 10, 10 formed at the connection between the side wall 6 of the main body 28 and the plate portions 9a, 9b. In this state, the second position, which is the article storage position of the partition plate 29,
Since the upper surface of the top wall 21b is in contact with the bottom surface 30b of the upper article 30 as described above, the second top wall 2 is bent.
The step 27 of the first top wall 21a located higher than 1b restricts the movement of the partition plate 29 itself in the direction toward both ends of the container 28. At this time, the partition plate 29
Each side wall 24 contacts the inner surface of the corresponding side wall of the container body 28.
Will be combined.

As described above, according to the present embodiment, the partition plate 29
The upper surface of the second top wall 21b and the bottom surface 30b of the article 30 are in contact with each other, so that the step 27 formed on the partition plate 29 and the lower end of the article 30 stored in the upper section restrict movement of each other. Therefore, it is possible to prevent the articles stored in the container body 28 from falling off from the end opening, and as a result, the articles 30 and 31 can be stably stored in a two-tiered form. Can be carried.

In the above-described embodiment, a description has been given by taking as an example a container for storing articles in two tiers, but the present invention is not limited to this, and two or three or more partition plates are used. Of course, it is also possible to store the articles in three or more stages. Further, the number of articles to be accommodated in a single stage is not limited only to three, but may be two or four or more.

[0023]

As described above, according to the packaging container of the present invention, the partition plate is attached to the first holding portion of the container body.
A plurality of first abutments contacting the lower end of the held article from both sides
The top wall is in contact with the bottom surface of the article held by the first holding section.
Since the second upper wall has a plurality of second top walls, the upper article and the partition plate regulate the movement of each other, and the articles stored in the plurality of steps fall from the end opening of the container. Without this, an excellent effect of always being able to be stably held and stored can be achieved.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an embodiment of a packaging container of the present invention.

FIG. 2 is a plan view of an exterior material of the packaging container of FIG. 1;

FIG. 3 is a plan view of a material of a partition plate of the packaging container of FIG. 1;

FIG. 4 is a perspective view of a partition plate constituting the packaging container of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Exterior material 2 Top wall 6 Side wall 7 Notch 9 Bottom wall 20 Partition plate material 21a 1st top wall (step part) 21b 2nd top wall (article storage position) 25 notch part 27 step part 28 container main body 29 partition Board 30 articles 31 articles

Claims (1)

(57) [Claims] A top wall, two side walls connected to each other on both sides of the top wall via a fold curve, and a bottom wall connected to the bottom of each side wall via a fold curve; It has a container body with openings at both ends, and stores a plurality of articles per stage in multiple stages
In a packaging container having an open both ends, a first holding portion for holding an upper part of an article is formed at a connection portion between the top wall and the both side walls of the container body.
The lower end of the article held in the first holding portion of the container body
A plurality of first top walls abutting the part from both sides;
Plurality of second top walls against which the bottom surface of the article held by the portion abuts
And each of the first bottom wall and each of the second bottom walls have a folding curve.
Connected to the inner surfaces of both side walls of the container main body.
Second side walls for holding the top of each article with the other side walls
Between the top wall and the bottom wall.
A pair of fold curves that are arranged substantially parallel to both walls and form the first top walls of the partition plate.
Between the pair of fold curves forming each of the second top walls.
The first top wall is formed shorter than the gap and the first top wall is
A plurality of articles can be stacked and stored in a plurality of stages so as to be located above and below the partition plate.