JP2001278279A - Packaging container made of foamed synthetic resin - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging container which has improved heat and cold insulating properties and is sanitary, producing no contamination. SOLUTION: The packaging container made of a foamed synthetic resin is formed by combining a stackable thick-walled upper and lower storage box bodies 2, 2 made of a foamed synthetic resin, wherein a liquid drainage hole 6 is formed vertically through a side wall 3 so as to interconnect both the bodies 2, 2 which are stacked one over another, the hole 6 being in communication with the interior of each of the bodies at the bottom thereof with a liquid receiving box body 12 wherein a notched portion 15 is formed by cutting off the inner side of the box body at a location corresponding to the hole 6 at the upper edge of the side wall 3 of the upper box body to collect and store a liquid discharged from the hole 6 of the upper box body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging container made of synthetic resin foam. More specifically, the present invention relates to a hygienic foam synthetic resin packaging container which is excellent in heat insulation and cold insulation and has no pollution.

[0002]

2. Description of the Related Art In recent years, foamed synthetic resin containers have become lighter,
Since it is hygienic and has excellent heat insulating properties, it is widely used as a packaging container for fresh foods such as fish and shellfish that require freezing or refrigeration.

[0003] A foamed synthetic resin packaging container is made of a foamed synthetic resin such as foamed styrene in the shape of a box, and is made of a thick-walled container to ensure strength or heat insulation. It is housed with coolant and used for transportation and storage.

In such a foamed synthetic resin packaging container, when liquid generated by melting of ice or the like accumulates inside the box, the contents are easily moved inside the box, and the damage during the transfer increases, and the container is damaged by hand. Handling becomes difficult because the center of gravity moves when lifting.

For this reason, it is necessary to form a hole for discharging the liquid at the bottom of the box so that the liquid generated by melting of ice or the like is discharged quickly. However, when a hole for discharging the liquid is provided in the bottom plate of the case, the discharged liquid in the upper stage may come into contact with the contents of the lower case, and the contents of the lower case may be soiled. Particularly in the case of fresh fish and the like, sap such as blood may dissolve into the upper effluent, and if such liquor adheres to the container of the lower box, there is a problem that the appearance is impaired and the commercial value is reduced.

Therefore, it is necessary to discharge the liquid produced by melting of ice or the like to the outside of the box. Conventionally, a foamed synthetic resin packaging container such as a fish box, as shown in FIG. A recess 22 is provided in the bottom plate adjacent to the connection between the side wall 20 and the bottom plate 21 of the housing box 1, and the recess 22 is communicated with the outside air. However, when an opening communicating with the outside air is provided, there is a problem that the outside air passes through the inside of the box as shown by an arrow A in FIG.

For this purpose, as shown in FIG. 5, a liquid discharge hole 23 penetrating vertically is formed in the side wall 20 of the foamed synthetic resin packaging container 1 and the inside of the box and the bottom plate are connected through a liquid outlet pipe 24. A fresh food packaging container having an excellent cooling effect and preventing the blow-through of the external wind was provided by communicating with 21 parts and extracting the generated liquid to the bottom without passing through the lower box (utility model). Registration No. 3057224).

However, the above-mentioned foamed synthetic resin packaging container 1
Is a method in which the generated liquid is drawn out below the packaging container 1. Therefore, there is a problem that an odor remains at the accumulation location of the foamed synthetic resin packaging container 1, and when the packaging container 1 is placed directly at the accumulation location, the accumulation occurs. Packaging container 1 at the bottom due to geothermal heat
There was a problem that the temperature easily rises inside.

[0009]

SUMMARY OF THE INVENTION An object of the present invention is to provide a hygienic, synthetic resin-made packaging container which is excellent in heat insulation and coolness and free of contamination.

[0010]

SUMMARY OF THE INVENTION The present invention has a structure in which an external wind does not blow through, and discharges a liquid generated by melting of a cooling material such as ice to the outside of a packaging box.
Specifically, a liquid discharge hole penetrating vertically is formed in the side wall, and the liquid discharge hole is disposed so as to communicate between the stacked upper and lower boxes, and the inside of the box is formed at the bottom of the box. A stackable thick foam synthetic resin container that is communicated with the container, and a notch at the bottom corresponding to the liquid discharge hole of the upper box at the upper edge of the side wall. Provided is a foamed synthetic resin packaging container characterized by combining a liquid container formed so as to collect and store liquid discharged from the liquid discharge hole of the upper box in the upper box. Is what you do.

Further, in such a foamed synthetic resin packaging container, each of the storage boxes has a cover, and a vertical hole is formed in the cover so that the liquid discharge holes of the upper and lower storage boxes communicate with each other. Foamed synthetic resin packaging container, a foamed synthetic resin packaging container having a structure in which the respective housings and lids and the upper case and the lower case are fitted together, and the inside of the liquid container is obstructed. An object of the present invention is to provide a foamed synthetic resin packaging container partitioned by plates.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The foamed synthetic resin packaging container of the present invention is formed of a thick synthetic resin foam. As the synthetic resin forming the foamed synthetic resin packaging container, foamed polystyrene, foamed polyethylene, foamed polypropylene, hard foamed urethane resin, or the like can be used. Among them, expanded polystyrene is preferred.

As shown in FIG. 1, the packaging container 1 has a housing box 2 formed in a box shape by thick side walls 3 and a bottom plate 4. Generally, as shown in FIG.
Used in combination with the lid 5 formed in a shape to be connected to the cover 5.

The thickness of the box 2 is not particularly limited and is selected according to the purpose, but the thickness is 5 mm or more, preferably 10 mm or more.
The thickness is generally not less than mm.

In the side wall 3 of the housing box 2 of the present invention, liquid discharge holes 6, 6 are formed in the meat portion so as to penetrate vertically. The liquid discharge holes 6 are communicated with the inner side of the box 2 at the position of the bottom plate 4 at the lower part of the housing box 2 and arranged at positions facing each other such that the liquid discharge holes 6 of the upper and lower boxes 2 communicate with each other. Is established.

In this case, although there is no particular restriction,
As shown in FIG. 1, it is possible to form a concave fitting portion 7 for once receiving the liquid discharged to the bottom plate 4, and to form a liquid outlet pipe 8 in the concave fitting portion 7 to communicate with the liquid discharging hole 6. preferable. The number of the liquid discharge holes 6 is not limited and can be arbitrarily selected according to the purpose. Generally, two to eight liquid discharge holes 6 are provided at opposing positions of the box.

The container 2 is generally used in combination with a lid 5 formed in a shape to be connected to the container. Hole 6
A vertical hole 9 is formed at a position corresponding to the above, so that the liquid discharge holes 6 of the upper and lower housing boxes 2 communicate with each other.

In order to prevent sideways displacement and stabilize when the container 2 is stacked and transported vertically, the upper edge of the side wall 3 of the container 2 and the bottom plate 4 of the container 2 are moved. It is preferable that the back surface, or the upper edge of the side wall 3 of the housing box 2, the lid 5, and the back surface of the bottom plate 4 of the housing box 2 are formed so as to form a fitting structure 10.

In the present invention, at the bottom of the housing box 2,
Generally, a liquid receiving body 12 is provided at the lowermost stage. The liquid container 12 receives and stores the liquid discharged from the upper container 2, and is formed in a box shape by the side wall 13 and the bottom plate 14 as shown in FIG. 1.

The material constituting the liquid container 12 is not particularly limited, but is preferably formed of the same kind of synthetic resin foam as the container 2.

At the upper edge of the side wall 13 of the liquid container 12, a notch 15 for introducing the liquid discharged from the liquid discharge hole 6 of the upper container 2 into the liquid container 12 is provided. It is formed. That is, as shown in FIG. 1, the upper edge of the side wall 13 of the liquid container 12 is provided at a position corresponding to the liquid discharge hole 6 of the upper housing container 2 on the inner side of the liquid container 12. The notch 15 is formed by notching the meat portion.

The notch 15 may be formed at a position corresponding to the liquid discharge hole 6 of the upper housing box 2.
As shown in FIG. 2 (A), it may be partially formed at a position facing the liquid discharge hole 6 of the upper housing box 2 and FIG.
As shown in (B), it may be formed over the entire side wall 13. Further, the shape of the notch 15 may be any shape as long as the liquid leached from the liquid discharge hole 6 of the upper housing container 2 is introduced into the liquid receiver 12, as shown in FIGS. 3 (A) and 3 (B). As shown in FIG. 3 (C),
It may be formed in an inclined surface shape.

As shown in FIG. 3, by dividing the inside of the liquid container 12 with a baffle plate 17, it is possible to prevent the liquid from moving during handling and the center of gravity from moving.
Handling becomes easy. In this case, by providing the narrow slits 18 in the baffle plate 17, the stored liquid is distributed to the respective sections at a uniform liquid depth, and the center of gravity at the time of lifting is constant.

The foamed synthetic resin packaging container 1 of the present invention can be used for storing and transporting fresh foods such as fish and shellfish, vegetables, etc., especially when it is stored with ice and kept cool, or sap is generated. Suitable for preservation and transfer of potentially fresh food.

When the foamed synthetic resin packaging container 1 of the present invention is used, objects such as fish and shells are stored in a storage box 2 together with a cooling material such as ice, if necessary, and stacked vertically. The liquid receiver 12 is disposed at the lower stage, generally at the lowermost stage.

As a result, during storage or transportation, the liquid generated by the melting of the coolant with time or the liquid of each container 2 leached out of the contents is discharged from each liquid outlet pipe 8 through the liquid discharge hole. 6, the liquid is guided into the liquid receiver 12 from the upper edge of the side wall of the liquid receiver 12 and stored therein.

[0027]

According to the present invention having the above-described structure, the liquid generated in the container is quickly discharged to the outside of the container, and the discharged liquid is discharged through the side wall of the container. Therefore, it does not contaminate the lower contents.

The foamed synthetic resin packaging container of the present invention comprises:
Since it is shut off from the outside air, the cooling effect is not hindered by the outside wind, and the discharged liquid is stored and transferred in the liquid receiver, so that the problem that the odor remains around can be solved. .

Further, since a liquid container which does not store the contents is provided in the lower stage, it is made of a foamed synthetic resin which is excellent in practicality and does not have a possibility of raising the temperature of the lower items due to the geothermal heat of the accumulation site. A packaging container can be obtained.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of a foamed synthetic resin packaging container of the present invention.

FIG. 2 is a partial perspective view showing various examples of notched portions of the liquid receiver.

FIG. 3 is a perspective view showing an embodiment of a liquid container.

FIG. 4 is a partial longitudinal sectional view showing a conventional packaging container.

FIG. 5 is a partial longitudinal sectional view showing another example of the conventional packaging container.

[Explanation of symbols]

 1: Packaging container made of foam synthetic resin 2: Packaging box 3: Side wall 4: Bottom plate 5: Lid 6: Liquid discharge hole 7: Concave portion 8: Liquid outlet tube 9: Vertical hole 10: Fitting structure 12: Liquid Receiving body 13: Side wall 14: Bottom plate 15: Notch 17: Baffle plate 18: Slit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E006 AA02 BA01 CA01 DA02 DB03 3E062 AA01 AC02 EA02 EB08 EC01 3E067 AA11 AB02 AB08 AC03 AC14 BA02A BA05A BB14A BB15A BB16A BB17A BC06A BC07A CA18 EA18 GB01 GA01

Claims (4)

[Claims] A liquid discharge hole is formed in a side wall so as to penetrate vertically, and the liquid discharge hole is disposed so as to communicate between the stacked upper and lower boxes, and the inside of the box is formed at the bottom of the box. A stackable thick foam synthetic resin container that is communicated with the container, and a notch at the bottom corresponding to the liquid discharge hole of the upper box at the upper edge of the side wall. A foam synthetic resin packaging container, comprising a liquid container formed so as to collect and store liquid discharged from a liquid discharge hole of an upper casing in the upper casing. 2. The container according to claim 1, wherein each of the storage boxes has a cover, and a vertical hole is formed in the cover so that the liquid discharge holes of the upper and lower storage boxes communicate with each other. Of synthetic resin foam. 3. The foam synthetic resin packaging container according to claim 2, wherein each of the storage boxes and the lid and the upper box and the lower lid are fitted to each other. 4. The foamed synthetic resin packaging container according to claim 1, wherein the interior of the liquid container is partitioned by a baffle plate.