JP2002037250A - Foamed synthetic resin packaging container, and packaging body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foamed synthetic resin packaging container which has excellent heat insulating property and is capable of storing an empty box in a compact manner, and a packaging body packaged by the foamed synthetic resin packaging container. SOLUTION: This foamed synthetic resin packaging container comprises a box body 2 which is formed of a bard foamed synthetic resin with high side walls 4a and 4b on the sides facing each other and with no or low side walls on the other sides, and a lid body 3 having high side walls 8c and 8d on the sides corresponding to the side with no or low side walls of the box body 2 thereon and having no or low side walls on the other sides.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foamed synthetic resin packaging container and a package packaged with the foamed synthetic resin packaging container. More specifically, a foamed synthetic resin packaging container which is excellent in heat insulation and coolness and can be made compact when storing empty boxes, and is convenient for transportation and storage, and a package packaged with the foamed synthetic resin packaging container About the body.

[0002]

2. Description of the Related Art In recent years, foamed synthetic resin containers have become lighter,
It is widely used as a packaging container for fresh foods and the like that need to avoid a rise in temperature because it is hygienic and has excellent heat insulating properties.

[0003] A foamed synthetic resin packaging container is made of a foamed synthetic resin such as foamed polystyrene in a box shape and is made of a thick-walled container to secure strength or heat insulation, and stores fresh foods and the like. Used for transportation and storage.

[0004] Since such a foamed synthetic resin packaging container is formed to be thick, it is not possible to form a structure in which boxes are fitted to each other even in an empty box. In this case, the same storage space as that in which fresh foods and the like were filled was required for the storage.

[0005] For this reason, the transfer and storage of the empty box becomes bulky, and the transfer and storage become expensive. Therefore, the development of a foam synthetic resin packaging container capable of storing the empty box compactly has been demanded. I was

Further, if a packaging container made of a foamed synthetic resin used for transferring fresh foods or the like is designed to have a high design property so that it can be displayed in a store as it is, a highly functional packaging container can be obtained. Therefore, development of such a packaging container has been requested.

[0007]

DISCLOSURE OF THE INVENTION The present invention relates to a foamed synthetic resin packaging container having high designability, excellent heat insulating properties, and capable of compactly storing an empty box. A package provided in a container is provided.

[0008]

Means for Solving the Problems The present invention has been made as a result of intensive studies in order to achieve the above-mentioned object, and specifically, is formed of a hard foamed synthetic resin and has at least two opposite sides. The side wall of the other side is formed high, the side wall of the other side is eliminated or low, and the side wall of the side corresponding to the side of the side where the side wall of the main body is eliminated or low is raised, and the side wall of the other side is raised. The present invention provides a packaging container made of a synthetic resin foam, characterized in that the packaging container comprises a lid formed by eliminating or reducing the height.

Further, according to the present invention, a projection or a groove is formed on the top surface of the side wall of the box body or the lid, and the projection or the groove is fitted at a position where the top surface of the box body or the lid abuts. The above-described foamed synthetic resin packaging container formed with a concave groove or a ridge that fits, and a U-shaped cross-section main body in which the side walls of the opposing sides are formed high and the side walls of the other sides are eliminated. And a foam synthetic resin packaging container characterized by comprising a lid having a U-shaped cross section in which the side wall corresponding to the side where the side wall of the box body is removed is higher and the side walls of the other side are removed. Is what you do.

[0010] Further, the present invention is characterized in that an inner container is loaded in the above-mentioned foam synthetic resin packaging container, and an article to be packaged is stored in the inner container. Packaged body, a packaged body packaged in the foamed synthetic resin packaging container described above, wherein the inner container is a paper container,
Further, the present invention provides a package packaged with the above-mentioned foamed synthetic resin packaging container, wherein the interior container is a transparent or translucent synthetic resin container.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The foamed synthetic resin packaging container of the present invention is a foamed synthetic resin packaging container suitable for transporting and storing vegetables such as broccoli, and is formed of a thick synthetic resin foam. You.

As the synthetic resin forming the foamed synthetic resin packaging container, foamed polystyrene, foamed polyethylene, foamed polypropylene, hard foamed urethane resin and the like can be used, and foamed polystyrene is preferable.

The packaging container 1 comprises a box body 2 as shown in FIG. 1B and a lid 3 as shown in FIG.
The box body 2 is composed of thick side walls 4a, 4b and a bottom plate 5, the side walls 4a, 4b are formed so as to stand upright on two opposing sides 6a, 6b, and the other two sides are excluded. The cross section is formed in a U-shape.

The lid 3 includes a top plate 7 and side walls 8c and 8d.
The side walls 8c and 8d are formed on two sides 6c and 6d where the side walls of the box body 2 are excluded, and the side walls 4c and 8d of the box body 2 are formed.
The two sides 6a and 6b in which a and 4b are formed have a U-shaped cross section with the side walls removed.

In FIG. 1, the side walls 8c, 8d of the lid 3 are shown.
Width d ₂ of the gap d ₁ of the inner surface is the side wall 4a of a box body 2, 4b of
And the width d ₃ of the side walls 8 c and 8 d of the lid _3.
There has been formed so as to have the same length as the side wall 4a, the outer spacing d ₄ and 4b of a box body 2.

Reference numerals 9a and 9b denote protrusions formed on the zenith surfaces 10a and 10b of the side walls 4a and 4b of the box main body 2, and the edges of the inner surface of the top plate 7 of the lid 3, specifically, the packaging container 1 When assembled, the projections 9a, 9b are fitted into concave grooves (not shown) formed in portions where the projections 9a, 9b abut, so as to prevent lateral displacement.

In the foamed synthetic resin packaging container 1 shown in FIG. 1, when the box body 2 and the lid 3 are combined, the lid 3 is fitted so as to cover the box body 2 as shown in FIG. Thus, the packaging container 1 is formed.

FIG. 3 shows another example of the present invention. The box body 2 shown in FIG.
a, 6b are formed with side walls 4a, 4b,
Short sides 4c, 4d are also formed on the sides 6c, 6d.

As shown in FIG. 3A, the lid 3 has side walls 8c and 8d formed on sides 6c and 6d, respectively.
The sum of the height of the short side walls 4c and 4d of the box body 2 and the height of the side walls 8c and 8d of the lid 3 is the side walls 4a and 4b of the box body 2.
The height is matched with the height.

Further, a concave groove (not shown) is formed in the zenith surface 12c, 12d of the side wall 8c, 8d of the lid 3, and the box body 2
Are formed to fit with the ridges 14c, 14d formed on the zenith surfaces 13c, 13d of the short side walls 4c, 4d.

In FIG. 3, the side wall 8 of the lid 3 is formed.
c, the distance d ₅ between the outer surface of 8d sidewall 4a of a box body 2,
Is formed in a same width as the width d ₆ of 4b, the side wall 8c of the cover 3, the width d ₇ of 8d sidewall 4a of a box body 2, is formed in the same width as the distance d ₈ between the inner surface of 4b I have.

In the foamed synthetic resin packaging container 1 shown in FIG. 3, when the box body 2 and the cover 3 are combined, the cover 3 is fitted between the side walls 4a and 4b of the box body 2 as shown in FIG. Can be combined into a matching state.

In the above example, the side walls 4a and 4b of the two opposing sides of the box body 2 are raised. However, the side walls of the three sides can be raised, and as shown in FIG. 4
The side wall 4d may be made higher in addition to the side walls 4a and 4b, and the lid 3 may be formed to have an L-shaped cross section by increasing the height of only the side wall 8c.

In this case, the width d ₉ of the top plate 7 is equal to the distance d ₁₀ between the outer surfaces of the side walls 4 a and 4 b of the box body 2,
width d ₁₁ of the side wall 4a of a box body 2 of c, the distance d ₁₂ in the same dimension between the inner surfaces of 4b. Thus, the assembled box is as shown in FIG.

The protruding ridges and the concave grooves fitted therein may be continuous as shown in FIGS. 1, 3 and 5, or a plurality of ridges may be formed intermittently. However, a concave groove can be formed to correspond to this.

Since the foamed synthetic resin packaging container 1 of the present invention has such a configuration, when it is stored and transported empty,
As shown in FIG. 7A, the volume can be made compact by engaging two box bodies 2 or two lids 3 with each other. Also, by combining a large number of box bodies 2 or lids 3 as shown in FIG.

When the article to be packaged is stored in the foamed synthetic resin packaging container 1 of the present invention, it is possible to directly store the article to be packaged if it is large and uniform. As shown in FIG. 8, an interior container 15 is used.

As the interior container 15, a paper box such as cardboard or corrugated paper can be used, and polyolefin such as high-density polyethylene and polypropylene, polystyrene, impact-resistant polystyrene, polyamide, polyester, polycarbonate, A transparent or translucent hard synthetic resin such as hard vinyl chloride can be used in the form of a box. Depending on the purpose, a bag made of a synthetic resin film such as polyolefin can be used.

When using the foamed synthetic resin packaging container 1 of the present invention to package an object to be packaged, the object to be packaged 16 is stored in an interior container 15 made of these materials, and the box body 2 and the lid A package can be formed by loading the box body 2 and the lid 3 while loading the space between them.

The packaging container 1 made of a foamed synthetic resin according to the present invention is excellent in design by being combined with the interior container 15 and can be made to be observable when the cover 3 is removed, as shown in FIG. Thus, it can be used as a packaging container to be displayed as it is at a store.

The foamed synthetic resin packaging container 1 of the present invention is suitable for storing and transporting fresh foods and the like which need to be prevented from being heated from the outside such as vegetables.

[0032]

According to the present invention having such a structure, it is possible to make the empty box compact when storing and transporting it.
Moreover, it is a practical foam synthetic resin packaging container that can be directly displayed at stores.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a foamed synthetic resin packaging container of the present invention, wherein (A) shows a lid and (B) shows a box body.

FIG. 2 is a perspective view showing a state in which the lid and the box body of FIG. 1 are combined to form a package.

FIGS. 3A and 3B are perspective views showing another example of the foamed synthetic resin packaging container of the present invention, wherein FIG. 3A shows a lid and FIG.

FIG. 4 shows a state in which the lid and the box body of FIG. 3 are combined to form a package.

FIG. 5 is a perspective view showing still another example of the foamed synthetic resin packaging container of the present invention, wherein (A) shows a lid and (B) shows a box body.

6 shows a state in which the lid and the box body of FIG. 5 are combined to form a package.

FIGS. 7A and 7B are longitudinal sectional views showing a state in which a packaging container made of a foamed synthetic resin of the present invention is accommodated.

FIG. 8 is a perspective view showing a state in which the package of the present invention is displayed.

[Explanation of symbols]

 1: foam synthetic resin packaging container 2: box body 3: lid 4a, 4b, 4c, 4d: side wall 5: bottom plate 6a, 6b, 6c, 6d: side 7: top plate 8c, 8d: side wall 9a, 9b, 14c, 14d: ridge 10a, 10b: zenith 12c, 12d: zenith 13c, 13d: zenith 15: interior container 16: packaged item

Claims (6)

[Claims] 1. A box body formed of a hard foamed synthetic resin, in which at least two opposing side walls are formed high and other side walls are eliminated or lowered, and a side wall of the box body is eliminated. Or, increase the side wall of the side corresponding to the side formed low,
A packaging container made of a foamed synthetic resin, comprising a lid formed by removing or lowering a side wall of another side. 2. A ridge or a groove is formed on the top surface of the side wall of the box body or the lid, and the ridge or the groove is fitted at the position where the top surface of the box body or the lid abuts. The foamed synthetic resin packaging container according to claim 1, wherein a groove or a ridge is formed. 3. A box-shaped main body having a U-shaped cross section in which the side walls of the opposing sides are formed high and the side walls of the other side are eliminated, and a side wall corresponding to the side from which the side walls of the main body are excluded. The foamed synthetic resin packaging container according to claim 1, comprising a lid having a U-shaped cross-section that has a high side wall excluding other side walls. 4. An inner container is loaded in the foamed synthetic resin packaging container according to any one of claims 1 to 3, and an article to be packaged is stored in the inner container. A package packaged in a foam synthetic resin packaging container. 5. A package packaged with a foam synthetic resin packaging container according to claim 4, wherein the interior container is a paper container. 6. A package packaged with the foamed synthetic resin packaging container according to claim 4, wherein the interior container is a transparent or translucent synthetic resin container.