JP2023157172A - Partition for packaging container body - Google Patents

Abstract

To provide a packaging container comprising a partition which is friendly to the environment and assures good efficiency in an assembling operation of a box.SOLUTION: A partition 1 placed on a bottom surface of a storage part of a paper-made packaging container body 10 comprises a plastic-made partition material 2 and a paper-made floor plate 3. The plastic-made partition material 2 has support protrusions 6 formed for juxtaposing products, and the paper-made floor plate 3 has a form in which, even when being piled on the plastic-made partition material 2 placed on the bottom surface of the storage part of the packaging container body 10, the support protrusions 6 protrude from the surface of the paper-made floor plate 3.SELECTED DRAWING: Figure 2

Description

The present invention relates to a partition for a packaging container body.

BACKGROUND ART Conventionally, there have been packaging containers made of paper folding boxes. When a plurality of products are stored in the storage section of the packaging container main body, a partition is provided at the bottom of the storage section. This partition allows a plurality of products to be housed in a stable and positioned manner.

Such a partition may be assembled by folding cardboard integrally with the main body, or may be formed by folding a paper partition member separate from the main body and installed on the bottom surface of the storage section.

In addition, it takes time and effort to form integral or separate paper partitions by folding them. Therefore, it has been considered to avoid the hassle by molding a plastic tray with partitions and installing it on the bottom of the storage section.

Japanese Patent Application Publication No. 2009-35312 Japanese Patent Application Publication No. 2012-25470 Utility model registration No. 3073259

As mentioned above, for paper folding boxes, rather than assembling the partitions integrally with the main body, it is easier to assemble the partitions separately and place them on the bottom of the box, which saves time. It goes without saying that using trays will greatly improve efficiency.

However, in recent years, there has been a strong trend toward environmental considerations and reductions in the use of fossil resources, and the use of large amounts of plastic may be criticized as insufficiently environmentally friendly. On the other hand, the unlimited use of paper made from wood is similarly undesirable, even if the effort is acceptable.

SUMMARY OF THE INVENTION Therefore, the present invention aims to provide a partition for a packaging container that is environmentally friendly and has good work efficiency in installing the partition.

The partition for a packaging container according to claim 1 of the present invention is a partition placed on the bottom surface of the accommodating part of a paper packaging container main body, and includes a plastic partition material and a paper bottom plate, and includes a plastic partition material and a paper bottom plate. has support protrusions formed to juxtapose the products, and even if the paper bottom plate is stacked on top of the plastic partition material placed on the bottom of the storage section of the packaging container body, the support protrusions do not It has a shape that protrudes above the surface of the board.

According to the partition for a packaging container according to claim 1, if a plastic partition material is first placed on the bottom surface of the accommodating part of the packaging container main body, and a paper bottom plate is placed on top of it, a stable partition can be achieved. can be easily installed.

The partition for a packaging container according to claim 2 is the invention according to claim 1, in which a part of the plastic partition material is sandwiched between the bottom surface of the housing part of the packaging container and the paper bottom plate. There is.

According to the packaging container partition of claim 2, in addition to having the same effect as the packaging container partition of claim 1, a part of the plastic partition material is connected to the bottom surface of the storage part of the packaging container and the paper bottom plate. When it is sandwiched between the plastic partition material and the paper bottom plate, a frictional force is generated between a portion of the plastic partition material and the paper bottom plate, and a frictional force between a portion of the plastic partition material and the bottom surface of the accommodating portion of the packaging container main body. This frictional force makes it difficult for the plastic partition material to move on the bottom surface of the accommodating portion of the packaging container body.

In the partition for a packaging container according to claim 3, in the invention according to claim 1 or 2, a part of the plastic partition material is formed with a stepped portion, and a part of the partition material made of plastic is formed with a stepped portion to accommodate the packaging container main body. When a paper floor plate is placed on top of the plastic partition placed on the bottom of the section, the stepped portion comes into contact with the edge of the paper floor plate.

According to the partition for packaging containers according to claim 3, in addition to the same effect as the partition for packaging containers according to claim 1 or 2, the step part of the plastic partition material and the step part meet the edge of the paper bottom plate. By coming into contact with each other, the plastic partition material and the paper bottom plate can restrict their movement relative to each other within a limited range of the bottom of the housing portion of the packaging container.

The partitions for packaging containers according to claims 1 to 3 are environmentally friendly and provide good work efficiency in installing the partitions.

Furthermore, since the partition is constructed from two types of materials: a molded plastic partition material and a paper floor plate, excessive resource consumption due to the use of only one material can be reduced, and an environmentally friendly effect can be achieved.

Further, the partition can be separated from the packaging container body, and the partition is also separated from the plastic partition material and the paper bottom plate, making it easy to separate them. In particular, plastics can be recycled more easily if they are separated into smaller pieces.

It is an exploded perspective view showing a partition for a packaging container and a packaging container main body of one embodiment of the present invention. FIG. 2 is a perspective view showing a state in which partitions are installed in the packaging container main body of FIG. 1. FIG. It is a perspective view which shows the packaging container in which the partition for packaging containers of another embodiment of this invention was installed. It is a perspective view which shows the packaging container in which the partition for packaging containers of another embodiment of this invention was installed.

Embodiments of the present invention will be described based on the drawings. 1 to 4 show a packaging container without a lid.

In the embodiment shown in FIGS. 1 and 2, the packaging container excluding the lid is composed of a packaging container body 10 and a partition 1. The packaging container body 10 is made of paper. A partition 1 can be installed on the bottom surface 11 of the accommodating portion of the packaging container body 10.

The partition 1 includes a plastic partition material 2 and a paper bottom plate 3.

The packaging container main body 10 is assembled by folding appropriate cardboard, has an accommodating portion that is vertically rectangular in plan view, and the assembly method can be freely selected from various known shapes.

The plastic partition member 2 includes a backrest portion 4 for stored items having the short side width of the bottom surface 11 of the storage portion. Integrally with this backrest portion 4, a narrower partition portion 5 extends from the central portion of the backrest portion 4 in a direction parallel to the short side of the bottom surface 11 of the storage portion. Stretch.

A plurality of support protrusions 6 are erected at appropriate heights on the partition portion 5 at intervals of thickness and width sufficient to support the product.

In the partition portion 5, an extension portion 7 is provided around the support protrusion 6 as a part of the plastic partition material 2.

Moreover, a stepped portion 8 is formed in the plastic partition material 2.

In the plastic partition member 2, the width of the backrest portion 4 matches the width of the short side of the bottom surface 11 of the storage section in a direction parallel to the short side of the bottom surface 11.

In the plastic partitioning member 2, the combined length of the backrest portion 4 and the partitioning portion 5 in a direction parallel to the long side of the bottom surface 11 matches the width of the long side of the bottom surface 11 in the storage section.

Therefore, the plastic partition material 2 is stably housed in the bottom surface 11 of the storage section.

Specifically, the paper bottom plate 3 has a vertically elongated rectangular shape in plan view. In the direction parallel to the short side of the bottom surface 11, the width of the paper bottom plate 3 matches the width of the short side of the bottom surface 11 of the storage section.

In the direction parallel to the long side of the bottom surface 11, the length of the paper bottom plate 3 substantially matches the length of the partition portion 5 of the plastic partition material 2.

The paper bottom plate 3 has a window hole 31 formed in the center thereof through which a plurality of support protrusions 6 formed on the partition part 5 can pass through.

The paper bottom plate 3 is shaped so that the plurality of support protrusions 6 protrude from the window holes 31 of the paper bottom plate 3 even when it is stacked on the plastic partition material 2 placed on the bottom surface 11 of the storage section. .

When the paper bottom plate 3 is stacked on the plastic partition material 2 placed on the bottom surface 11 of the accommodating part of the packaging container main body, the extending part 7 is formed between the bottom surface 11 of the accommodating part and the paper bottom plate 3. It's like it's being pinched.

When the paper bottom plate 3 is stacked on the plastic partition material 2 placed on the bottom surface 11 of the accommodating part of the packaging container main body, the step part 8 comes into contact with the window hole 31 that is the edge of the paper bottom plate 3. It has become.

The paper bottom plate 3 can be provided with a color pattern if necessary.

Since the plurality of support protrusions 6 of the partition part 5 protrude from the window hole 31, the plastic partition material 2 and the paper bottom plate 3 have a mutual positioning effect and are further stabilized.

By inserting the products into the recesses between the support protrusions 6 and receiving them by the support protrusions 6, a plurality of products can be stably and positioned in the storage part.

As described above, if the plastic partition material 2 is first placed as the partition 1 on the bottom surface 11 of the storage section, and the paper bottom plate 3 is placed on top of it, the support protrusion 6 will be placed on the paper bottom plate 3. Protruding from the surface, stable partitions can be easily provided.

Since the partition 1 is composed of two types of materials: the molded plastic partition material 2 and the paper floor plate 3, resource consumption can be reduced by using only one material, making it environmentally friendly. This frees up the work of assembling partitions and contributes to work efficiency.

Furthermore, in addition to reducing the amount of plastic used compared to conventional tray-shaped plastic partitions, by promoting the use of biomass raw materials, it is possible to provide partitions for packaging containers that are more environmentally friendly.

The outer size of the plastic partition member 2 can be made smaller than that of a conventional tray-type plastic partition. In the molding of the plastic partitioning material, the uneven outer shape of the plastic partitioning material 2 can also be used to set the plastic partitioning material 2 to be arranged alternately. Thereby, it is possible to increase the number of plastic partition members 2 that can be molded and manufactured from a single regular resin sheet.

FIG. 3 shows an embodiment different from the embodiment described in FIGS. 1 and 2.

The partition for the packaging container main body of this embodiment makes it possible to store products in two rows in the storage section. This embodiment can also be used when a large quantity of products or a combination of different types of products are stored.

The plastic partitioning material 2 and the paper bottom plate 3 having the same basic configuration as those of the embodiment shown in FIGS. 1 and 2 are given the same reference numerals, and only the different configurations will be described.

The plastic partition member 2 includes a backrest portion 4 for stored items having the width of the long side of the bottom surface 11 of the storage portion. Integrally with this backrest part 4, a narrower partition part 51 and a partition part 52 are formed from two places in the direction parallel to the long side of the bottom surface 11 of the storage part of the backrest part 4, respectively. Stretch in parallel to the short side.

Furthermore, window holes 32 and 33 corresponding to the two partitions 51 and 52 are formed in the paper bottom plate 3. Further, a mountain fold portion 34 that partitions the left and right product rows is formed in a direction parallel to the short side of the bottom surface of the storage portion.

When the paper bottom plate 3 is stacked on the plastic partition material 2 placed on the bottom surface 11 of the accommodating part of the packaging container main body, the plurality of support protrusions of the partition part 51 protrude from the window hole 32, and the partition part 51 protrudes from the window hole 33. A plurality of support protrusions of the portion 52 protrude.

FIG. 4 shows an embodiment different from the embodiment described in FIGS. 1 and 2 and the embodiment described in FIG. 3. It is suitable for wide products and can support and partition both ends of the product.

The same reference numerals are given to the plastic partitioning material 2 and the paper bottom plate 3 having the same basic configuration as in the embodiment shown in FIGS. 1 and 2, and only the different configurations will be explained.

The plastic partition member 2 includes a backrest portion 4 for stored items having the short side width of the bottom surface 11 of the storage portion. Integrally with this backrest part 4, a narrower partition part 51 and a partition part 52 are formed from two places in a direction parallel to the short side of the bottom surface 11 of the storage part of the backrest part 4, respectively. Stretch in parallel to the long sides.

Further, the paper bottom plate 3 is placed between the two partitions 51 and 52.

When the paper bottom plate 3 is stacked on the plastic partition material 2 placed on the bottom surface 11 of the storage part of the packaging container main body, a plurality of partition parts 51 are formed on both sides of the paper bottom plate 3 in the direction parallel to the short side. The support protrusion 6 and the plurality of support protrusions 6 of the partition portion 52 protrude.

In the above embodiment, the bottom surface 11 of the storage section is square in plan view, and the plastic partition material 2 and the paper bottom plate 3 have shapes corresponding to the bottom surface 11 of the storage section. However, the present invention is not limited to this. It never happens. The shape of the bottom of the storage section in plan view may be a polygon such as a triangle or a pentagon, a circle, an ellipse, etc., and a plastic partition material and a paper bottom plate of a shape corresponding to the bottom surface of the storage section may be used. It may be.

1 Partition 2 Plastic partition material 3 Paper bottom plate 4 Drop part 5 Partition part 6 Support protrusion 7 Extension part 8 Step part 10 Packaging container main body 11 Bottom surface 31 Window hole 32 Window hole 33 Window hole 34 Mountain fold part 51 Partition part 52 Partition Department

Claims (3)

A partition placed on the bottom of a storage section of a paper packaging container main body, comprising a plastic partition material and a paper bottom plate,
The plastic divider has support protrusions formed to juxtapose the products;
The paper bottom plate is characterized by a shape in which the support protrusions protrude above the surface of the paper bottom plate even when it is stacked on the plastic partition material placed on the bottom of the storage section of the packaging container body. A partition for the packaging container body. 2. The partition for a packaging container main body according to claim 1, wherein a part of the plastic partition material is sandwiched between the bottom surface of the accommodating portion of the packaging container main body and the paper bottom plate. The plastic partition material has a stepped section,
According to claim 1 or 2, when the paper bottom plate is stacked on the plastic partition material placed on the bottom surface of the accommodating part of the packaging container main body, the stepped portion comes into contact with the edge of the paper bottom plate. Partition for the main body of the packaging container.

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