JP3241041U - packaging or container - Google Patents

Abstract

An object of the present invention is to provide a packaging material or a container that reduces the environmental load when discarded after use and that is easy to manufacture.
A packaging material or container comprising a tubular body 1 made of a deformable sheet having at least a paper layer, the tubular body having a first opening 2, a second opening 3 and a container to be accommodated. comprising a container for containing an object, the first opening and the second opening being present at both ends of the cylindrical body, the first opening and the second opening being non-rectangular; The container communicates with the first opening and the second opening, the sheet has a first open end 1-1 and a second open end 1-2, and the first opening of the sheet The open end and/or the second open end are bent to form the first opening and/or the second opening, and the sheet forming the accommodation portion is bent or bent at a plurality of locations. packaging, packaging or containers. The tubular body may be a bottomed tubular body.
[Selection drawing] Fig. 1A

Description

The present invention relates to packaging or containers, and more particularly to paper packaging or containers.

Generally, fruits such as peaches that are easily damaged are wrapped using a styrene foam net as shown in FIG.

However, since the net is made of synthetic resin, there is a problem that environmental load is imposed when the net is discarded after use.

On the other hand, Japanese Utility Model Laid-Open No. 7-26123 (Patent Document 1) describes that a special cardboard structure is used to package fruits. There is room for improvement.

Japanese Utility Model Laid-Open No. 7-26123

SUMMARY OF THE INVENTION An object of the present invention is to provide a packaging material or a container that can be easily manufactured while reducing the environmental burden when discarded after use.

As a result of intensive studies, the present inventors found that a packaging material or container that can be produced using a tubular body made of a deformable sheet having at least a paper layer can achieve the above-mentioned objects. completed the idea.

A first aspect of the present invention is
A packaging material or container comprising a tubular body made of a deformable sheet having at least a paper layer,
The tubular body has a first opening, a second opening, and an accommodating portion for accommodating an object to be accommodated,
The first opening and the second opening are present at both ends of the cylindrical body,
wherein the first opening and the second opening are non-rectangular;
The housing portion communicates with the first opening and the second opening,
the sheet having a first open end and a second open end;
the first open end and/or the second open end of the sheet are folded to form the first opening and/or the second opening;
In the packaging material or container, the sheet forming the accommodating portion is bent or bent at a plurality of locations.

It is preferable that the sheet consists only of the paper layer.

It is preferable that the paper layer has a thickness of 20 to 200 μm.

Preferably, said sheet is not corrugated board.

Preferably, the packaging material or container of the first aspect of the present invention is for packaging or containing fruit.

A second aspect of the present invention is
A packaging material or container comprising a bottomed cylindrical body made of a deformable sheet having at least a paper layer,
The bottomed tubular body has an opening and a storage portion for storing an object to be stored,
The opening is present at the end of the bottomed cylindrical body,
the opening is non-rectangular;
The accommodation portion communicates with the opening,
the sheet is not cardboard,
said sheet having an open end;
the open end of the sheet is folded to form the opening;
In the packaging material or container, the sheet forming the accommodating portion is bent or bent at a plurality of locations.

It is preferable that the sheet consists only of the paper layer.

It is preferable that the paper layer has a thickness of 20 to 200 μm.

Preferably, said sheet is not corrugated board.

Preferably, the packaging material or container of the second aspect of the present invention is for packaging or containing fruit.

The packaging material or container of the present invention uses a sheet having at least a paper layer, which reduces the environmental load at the time of disposal compared to the case of using a synthetic resin sheet having no paper layer. In particular, when a sheet consisting of only a paper layer is used, the environmental load at the time of disposal is further reduced.

The packaging material or container of the present invention can be produced by simple operations. Manufacture of the packaging material or container of the present invention can easily be carried out by hand.

In the packaging material or container of the present invention, the container is not a box, but a cylindrical body, and the opening is non-rectangular. can be in good contact with Therefore, the packaging material or container of the present invention is superior to the box-shaped packaging material or container in holding an object.

In the packaging material or container of the present invention, since at least the sheet forming the storage portion for storing an object such as fruit is bent or bent at a plurality of locations, the storage portion has a high cushioning property, and the fruit or the like can be stored. The stored object can be well protected.

When the sheet constituting the packaging material or container of the present invention is not corrugated board, the thickness of the sheet can be suppressed and its deformability can be enhanced.

Since the cylindrical body of the present invention before manufacturing the packaging material or container can be deformed into a flat shape, it is also excellent in storage stability.

In the first aspect of the present invention, since both ends of the cylindrical body are open, when the object to be stored is fruit, the state of the fruit can be checked, for example, from the opening at the bottom of the packaging material or container. can do.

In the second aspect of the present invention, one end of the tubular body is open and the other end is closed, so that the stored object does not fall from the other end. The stored object can be held more firmly.

INDUSTRIAL APPLICABILITY The present invention can be suitably used as a packaging material for packaging fruit or as a container for containing fruit.

1 is a schematic perspective view of a first aspect of the invention; FIG. FIG. 1B is a cross-sectional view taken along line AA of FIG. 1A; BRIEF DESCRIPTION OF THE DRAWINGS The schematic diagram which shows the manufacturing example of the 1st aspect of this invention. BRIEF DESCRIPTION OF THE DRAWINGS The schematic diagram which shows the manufacturing example of the 1st aspect of this invention. BRIEF DESCRIPTION OF THE DRAWINGS The schematic diagram which shows the manufacturing example of the 1st aspect of this invention. Figure 3 is a schematic perspective view of a second aspect of the invention; Sectional drawing of the BB line of FIG. 4A. Schematic diagram showing a manufacturing example of the second aspect of the present invention. Schematic diagram showing a manufacturing example of the second aspect of the present invention. Schematic diagram showing a manufacturing example of the second aspect of the present invention. The figure which shows the usage example of the net made from the conventional foamed styrene.

The present invention will be described below with reference to the drawings.

[First aspect]
A first aspect of the present invention is a packaging material or container comprising a tubular body made of a deformable sheet having at least a paper layer,
The tubular body has a first opening, a second opening, and an accommodating portion for accommodating an object to be accommodated,
The first opening and the second opening are present at both ends of the cylindrical body,
wherein the first opening and the second opening are non-rectangular;
The housing portion communicates with the first opening and the second opening,
the sheet having a first open end and a second open end;
The first open end and/or the second open end of the sheet are preferably folded toward the receiving portion to open the first opening and/or the second opening. is forming
In the packaging material or container, the sheet forming the accommodating portion is bent or bent at a plurality of locations.

(sheet)
First, the sheet that constitutes the packaging material or container of the first aspect of the present invention will be described.

The sheet constituting the packaging material or container of the first aspect of the present invention comprises at least a paper layer.

The paper layers are made of paper material and can consist of the same or different paper materials.

Wood pulp is preferable as the fibrous material constituting the paper material, and virgin wood pulp, waste paper pulp, or a mixture thereof can be used. Examples of wood pulp include softwood pulp such as NBKP (bleached softwood kraft pulp) and NUKP (unbleached softwood pulp), hardwood pulp such as LBKP (bleached hardwood kraft pulp) and LUKP (unbleached hardwood pulp), and softwood pulp. Mixtures of pulp and hardwood pulp can be used.

The paper layer may be composed of a single layer, or may be composed of multiple layers.

Kraft paper can be used as the paper layer.

The basis weight of the paper layer (measurement method: JIS P 8124 [2011]) is preferably 10 g/m ² to 120 g/m ² , more preferably 30 g/m ² to 100 g/m ² , and 50 g/m ² to 70 g/m 2 . ² is even more preferred.

The thickness of the paper layer (measurement method: JIS P 8118 [2014]) is preferably 20 µm to 200 µm, more preferably 50 µm to 150 µm, and even more preferably 80 µm to 100 µm.

The paper layer is the base material of the sheet that constitutes the packaging material or container of the present invention, and has high deformability derived from the paper material. Therefore, the sheet comprising at least the paper layer that constitutes the packaging material or container of the first aspect of the present invention is deformable.

The sheet constituting the packaging material or container of the first aspect of the present invention may have at least a paper layer, and may be a laminate having other layers in addition to the paper layer. Other layers include, for example, thermoplastic resin layers containing thermoplastic resins such as polyolefin, metal layers such as aluminum foil, and the like.

The paper layer preferably accounts for 50% by mass or more, more preferably 60% by mass or more, and even more preferably 70% by mass or more, based on the total mass of the sheet constituting the packaging material or container of the present invention. By making the paper layer account for the majority of the mass of the sheet, it is possible to reduce the weight of the packaging material or container of the present invention. In addition, if the paper layer occupies 50% by mass or more of the weight of the sheet in the packaging material or container of the present invention, the packaging material or A so-called "paper mark" can be applied to the container, and even if there is a metal layer or the like on the container, there is no need to separate the container, and the container can be incinerated as it is.

However, in order to further reduce the environmental load at the time of disposal, it is preferable that the sheet constituting the packaging material or container of the present invention does not have a thermoplastic resin layer, a metal layer, etc., and consists only of a paper layer. is more preferred, and it is even more preferred that it consists of a single paper layer. However, even if the sheet constituting the packaging material or container of the present invention consists only of a paper layer, the surface of the paper layer may be appropriately provided with printing or the like.

In terms of the deformability of the sheet, it is preferable that the sheet constituting the packaging material or container of the present invention is not cardboard. When the sheet constituting the packaging material or container of the present invention is a non-corrugated cardboard sheet, the thickness of the sheet can be suppressed to increase the deformability. In addition, when the sheet constituting the packaging material or container of the present invention is a non-cardboard sheet, as described later, the sheet or cylindrical body before manufacturing the packaging material or container of the present invention is transformed into a planar object. Since the thickness of the flat object can be reduced when the flat object is stored in the storage medium, the storage stability is also excellent.

(packaging material or container)
Next, the packaging material or container according to the first aspect of the present invention, which is made of the above sheet, will be described.

FIG. 1A is a schematic perspective view showing an example of a packaging material or container according to the first embodiment of the present invention, and FIG. 1B is a cross-sectional view taken along line AA of FIG. 1A. The packaging material or container of the first aspect of the present invention is composed of the above sheet.

In the first embodiment of the present invention shown in FIGS. 1A and 1B, a packaging material or container (P1) consists of a cylindrical body 1, a first opening 2, a second opening 3, and a container for fruit or the like. It has an accommodation section 4 for accommodating an object to be accommodated.

A first opening 2 and a second opening 3 are present at both ends of the tubular body 1 and are non-rectangular in shape. Note that rectangles include squares and rectangles.

The containing portion 4 communicates with the first opening portion 2 and the second opening portion 3, and in the example shown in FIG. be. On the other hand, the second opening 3 is sized to the extent that the object to be contained does not pass through, and the object to be contained does not pass through the second opening 3 .

In the first embodiment of the present invention shown in FIGS. 1A and 1B, the first open end 1-1 of the sheet forming the tubular body 1 is folded toward the accommodating portion 4 to form the first opening. Part 2 is formed. That is, the first open end 1-1 of the sheet is folded inward toward the receiving portion 4. As shown in FIG. As a result, the thickness of the portion of the cylindrical body 1 that constitutes the accommodating portion 4 is increased, and the shock-absorbing and protective properties are improved. Also, as shown in FIGS. 1A and 1B, if the first open end 1-1 is bent inward toward the accommodating portion 4 instead of outward, an excessive force acts on the cylindrical body 1. Therefore, the risk of damage to the tubular body 1 is reduced.

Even if the first open end 1-1 of the sheet is not folded and instead the second open end 1-2 of the sheet is folded to form the second opening 3 good. Alternatively, the first opening 2 and the second opening 3 may be formed by folding the first open end 1-1 and the second open end 1-2 of the sheet. In either case, it is preferable to bend inward toward the accommodating portion 4 .

In the first aspect of the present invention shown in FIGS. 1A and 1B, the cylindrical body 1 is bent or bent at a plurality of points throughout, corresponding to the accommodating portions 4 of the cylindrical body 1. The portion is also bent or bent at a plurality of locations. As a result, the tubular body 1 can secure a large number of contact portions with the object to be stored, and the holding property of the packaging material or the container (P1) for the object to be stored is improved.

Furthermore, in the first aspect of the present invention shown in FIGS. 1A and 1B, at least a portion of the cylindrical body 1 corresponding to the accommodating portion 4 is bent or bent at a plurality of locations, so that the accommodating portion 4 has a cushioning property. is increased, and the stored object can be well protected from external forces and the like.

Next, an example of manufacturing the packaging material or container according to the first aspect of the present invention shown in FIGS. 1A and 1B will be described.

First, as shown in FIG. 2, a cylindrical body 1 is produced using the deformable sheet having at least a paper layer. In the example shown in FIG. 2, the cylindrical body 1 is formed by bonding together the short ends of the substantially rectangular sheet. The method of bonding is not particularly limited, and for example, the short end portions of the sheet can be bonded together using various adhesives. Note that the longitudinal ends of the sheet may be attached together.

As shown in FIG. 2, both ends of the tubular body 1 are open, and the first open end 1-1 of the sheet is present at one open end of the tubular body 1, and the tubular body 1 has a tubular shape. At the other open end of body 1 is the second open end 1-2 of the sheet.

In FIG. 2, the cylindrical body 1 is expressed as being cylindrical for the sake of convenience, but the cross-sectional shape of the cylindrical body 1 is not limited to a circle, and may be any shape other than a rectangle, for example. can. Also, the shape of the side surface of the tubular body 1 is not limited to a cylindrical shape. Also, in FIG. 2, the side surface of the tubular body 1 is shown as a smooth surface for convenience, but in reality, it is not a smooth surface and may have a plurality of bends or bends at this stage.

Next, as shown in FIGS. 3A and 3B, the first open end 1-1 is bent inward to form the first opening 2. As shown in FIGS. Instead of bending the first open end 1-1, the second open end 1-2 may be bent. In this case, the second opening 3 is formed by bending the second open end 1-2. Alternatively, the first opening 2 and the second opening 3 may be formed by bending the first open end 1-1 and the second open end 1-2 together. In either case, it is preferable to fold inward.

Then, by bending or bending the tubular body 1 at a plurality of locations, as shown in FIGS. , the packaging material or container (P1) of the first aspect of the present invention shown in FIGS. 1A and 1B can be manufactured. Incidentally, in parallel with the work of bending the first open end portion 1-1 as shown in FIGS. 3A and 3B, a plurality of portions of the tubular body 1 may be bent or bent.

Since the sheet that constitutes the packaging material or container of the first aspect of the present invention has a paper layer and can have high deformability, the bending or bending can be performed manually. Therefore, the packaging material or container of the present invention can be produced by simple work, and can be easily carried out even by hand.

Moreover, the packaging material or container according to the first aspect of the present invention may be manufactured at the time of use, and when not in use, it may be in the form of the sheet described above, or the cylindrical body 1 shown in FIG. 2 or FIG. It can be crushed and stored flat. The planar tubular body 1 may be appropriately folded as necessary. As described above, the packaging material or container of the first aspect of the present invention can be stored in a small volume when not in use, and thus has excellent storage stability.

[Second aspect]
A second aspect of the present invention is a packaging material or container comprising a bottomed tubular body made of a deformable sheet having at least a paper layer,
The cylindrical body has an opening and an accommodating portion for accommodating an object to be accommodated,
the opening is at the end of the tubular body,
the opening is non-rectangular;
The accommodation portion communicates with the opening,
the sheet is not cardboard,
said sheet having an open end;
said open end of said sheet preferably being folded towards said container to form said opening;
In the packaging material or container, the sheet forming the accommodating portion is bent or bent at a plurality of locations.

(sheet)
Since the sheet constituting the packaging material or container of the second aspect of the present invention is the same as the sheet constituting the packaging material or container of the first aspect of the invention, redundant description is omitted.

(packaging material or container)
Next, the packaging material or container according to the second aspect of the present invention comprising the above sheet will be described.

FIG. 4A is a schematic perspective view showing an example of a packaging material or container according to the second aspect of the present invention, and FIG. 4B is a cross-sectional view taken along line BB of FIG. 4A. The packaging material or container according to the second aspect of the present invention is also made of the above sheet.

In the second embodiment of the present invention shown in FIGS. 4A and 4B, the packaging material or container (P2) is composed of a bottomed cylindrical body 1', which accommodates an opening 2' and an object such as fruit. A housing portion 4 is provided.

The opening 2' is present at one end of the bottomed tubular body 1' and has a non-rectangular shape. Note that rectangles include squares and rectangles.

The containing portion 4 communicates with the opening portion 2', and in the example shown in FIG. On the other hand, the other end of the bottomed tubular body 1' is closed to form a bottom portion 5, through which the stored object cannot pass.

In the second embodiment of the present invention shown in FIGS. 4A and 4B, the open end portion 1′-1 of the sheet constituting the bottomed tubular body 1′ is folded toward the accommodating portion 4, and the opening portion 2 ' is formed. That is, the open end 1'-1 of the sheet is folded inward toward the receiving portion 4. As shown in FIG. As a result, the thickness of the portion of the bottomed cylindrical body 1' that constitutes the housing portion 4 is increased, and the shock-absorbing and protective properties are improved. Also, as shown in FIGS. 4A and 4B, if the first open end 1′-1 is bent inward toward the accommodating portion 4 instead of outward, the bottomed cylindrical body 1′ is excessively expanded. Therefore, the risk of breakage of the bottomed cylindrical body 1' is reduced.

In the second aspect of the present invention shown in FIGS. 4A and 4B, the bottomed tubular body 1' is bent or bent at a plurality of points over the entirety, and the bottomed tubular body 1' A portion corresponding to the accommodating portion 4 is also bent or bent at a plurality of locations. As a result, the bottomed tubular body 1' can secure a large number of contacting portions with the contained object, and the holding property of the contained object of the packaging material or container (P2) is improved.

In the second aspect of the present invention shown in FIGS. 4A and 4B, at least a portion of the bottomed tubular body 1′ corresponding to the accommodating portion 4 is bent or bent at a plurality of locations, so that the accommodating portion 4 is buffered. It is possible to effectively protect the stored object from external forces and the like.

Next, an example of manufacturing the packaging material or container according to the second aspect of the present invention shown in FIGS. 4A and 4B will be described.

First, as shown in FIG. 5, a bottomed cylindrical body 1' is produced using the deformable sheet having at least a paper layer. In the example shown in FIG. 5, a bag-like bottomed cylindrical body is obtained by bonding the short ends of the substantially rectangular sheet together and forming the bottom portion 5 using the long ends of the sheet. 1' is formed (in FIG. 5, the details of the formation of the bottom portion 5 are omitted and indicated as "5"). The method of forming the bottom portion 5 is not particularly limited, but for example, the bottom portion 5 may be formed by bonding the longitudinal ends and folding them to form a gusset by a well-known and commonly used method. The method of bonding is not particularly limited, and for example, the short end portions of the sheet can be bonded together using various adhesives. Note that the longitudinal ends of the sheet may be attached together.

As shown in FIG. 5, the bottomed tubular body 1' is open only at one end, and the open end 1'-1 of the sheet is provided at the one end of the bottomed tubular body 1'. exists. On the other hand, the other end of the bottomed tubular body 1 ′ is closed and is used as a bottom portion 5 .

In FIG. 5, for the sake of convenience, the bottomed cylindrical body 1' is expressed as being cylindrical, but the cross-sectional shape of the bottomed cylindrical body 1' is not limited to a circle, and may be any shape other than a rectangle, for example. can be in the shape of Also, the shape of the side surface of the bottomed tubular body 1' is not limited to a cylindrical shape. In FIG. 5, the side surface of the bottomed tubular body 1' is shown as a smooth surface for convenience, but in reality, the side surface is not a smooth surface, and a plurality of bends or bends may exist at this stage.

Next, as shown in FIGS. 6A and 6B, the open end 1'-1 is bent inward to form an opening 2'. The open end 1'-1 may be folded outward, but is preferably folded inward, as shown in FIGS. 6A and 6B.

Then, the bottomed tubular body 1′ is bent or bent at a plurality of locations, and as shown in FIGS. 4A and 4B, the bottomed tubular body 1′ forming at least the housing portion 4 is bent or bent at a plurality of locations By doing so, the packaging material or container (P2) of the second aspect of the present invention shown in FIGS. 4A and 4B can be manufactured. In parallel with the work of bending the open end portion 1'-1 as shown in FIGS. 6A and 6B, a plurality of portions of the bottomed cylindrical body 1' may be bent or bent.

Since the sheet constituting the packaging material or container of the second aspect of the present invention has a paper layer and can have high deformability, the bending or bending can be performed manually. Therefore, the packaging material or container of the present invention can be produced by simple work, and can be easily carried out even by hand.

In addition, the packaging material or container of the second aspect of the present invention may also be manufactured at the time of use, and when not in use, it is in the form of the above sheet, or the bottomed tubular body 1 ′ shown in FIG. 5 or 6 It can be stored in a flat state by squeezing it from the side. The flat bottomed cylindrical body 1' may be folded as needed. Therefore, the packaging material or container according to the second aspect of the present invention can also be stored in a small volume when not in use, and thus has excellent storage stability.

Since the packaging material or container of the present invention is easy to dispose of after use and is easy to manufacture, it can be suitably used for temporary packaging or accommodation of articles of various shapes. In addition, the packaging material or container of the present invention has excellent cushioning properties against external forces, and can effectively protect the contained objects from external forces such as impacts.

There are no particular limitations on the items to be stored in the packaging material or container of the present invention, and various solid items such as food can be used. Fruits are preferable as the objects to be stored, and fruits such as peaches, apples, and pears, which require careful handling, are particularly preferable.

1 cylindrical body 1' bottomed cylindrical body 1-1 first open end 1-2 second open end 1-1' open end 2 first opening 2' opening 3 Second opening 4 Accommodating portion 5 Bottom

Claims (10)

A packaging material or container comprising a tubular body made of a deformable sheet having at least a paper layer,
The tubular body has a first opening, a second opening, and an accommodating portion for accommodating an object to be accommodated,
The first opening and the second opening are present at both ends of the cylindrical body,
wherein the first opening and the second opening are non-rectangular;
The housing portion communicates with the first opening and the second opening,
the sheet having a first open end and a second open end;
the first open end and/or the second open end of the sheet are folded to form the first opening and/or the second opening;
A packaging material or a container, wherein the sheet forming the accommodating portion is bent or bent at a plurality of locations. 2. The packaging material or container according to claim 1, wherein said sheet consists only of said paper layer. 2. The packaging material or container according to claim 1, wherein said paper layer has a thickness of 20 to 200 μm. 2. The packaging material or container of claim 1, wherein said sheet is not corrugated board. 2. The packaging material or container according to claim 1, which is used for packaging or containing fruit. A packaging material or container comprising a bottomed cylindrical body made of a deformable sheet having at least a paper layer,
The bottomed tubular body has an opening and a storage portion for storing an object to be stored,
The opening is present at the end of the bottomed cylindrical body,
the opening is non-rectangular;
The accommodation portion communicates with the opening,
said sheet having an open end;
the open end of the sheet is folded to form the opening;
A packaging material or a container, wherein the sheet forming the accommodating portion is bent or bent at a plurality of locations. 7. The packaging material or container according to claim 6, wherein said sheet consists only of said paper layer. 7. The packaging material or container according to claim 6, wherein the paper layer has a thickness of 20 to 200 μm. 7. The packaging material or container of claim 6, wherein said sheet is not corrugated board. 7. The packaging material or container according to claim 6, which is used for packaging or containing fruit.

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