JPH0644864Y2 - Packaging container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a packaging container, and more particularly to a packaging container suitable for storing food such as cake and ice cream.

<Problems to be Solved by Conventional Techniques and Inventions> As a packaging container for packaging foods such as cake and ice cream, a paper-made assembly type container has been widely used.

However, since the paper packaging container does not have heat insulating properties, for example, it stores foods that need to be kept cold, such as cakes and ice creams, and is especially for taking out from the store during the day such as summer. When used as, the temperature inside the packaging container becomes high on the way out, it is not possible to maintain the cold state of the food for a long time, the problem that the food is corroded or thawed in a short time was there.

Further, in the packaging container, for example, in the case of storing food such as hamburger that needs to be kept warm, when used in winter etc., the food becomes cold on the way home,
There was a problem that it had to be reheated in a microwave oven or the like.

Furthermore, in the packaging container, when the packaging container is assembled, the storage portion is completely covered by the surrounding side wall, and is provided at the position depressed from the opening,
It was troublesome to pack and take out the stored items in the storage section of the packaging container. In particular, in the case of food such as cakes, there has been a problem that unless handled carefully, the food may come into contact with the side wall or the like and lose its shape.

The present invention has been made to solve the above problems, and provides a packaging container that can keep a cold or warm state for a long time and can easily pack and take out stored items. With the goal.

<Means for Solving the Problems> The packaging container according to the present invention for solving the above problems is
The whole is integrally molded with a synthetic resin foam sheet, and in the vicinity of the mouth of a substantially rectangular container for accommodating stored items, side pieces that can stand upright above the mouth are provided on two opposite sides on one side. A lid side piece that can be erected above the mouth is continuously provided on two sides of the other side adjacent to this side piece, and the lid side piece has an outer surface and an upper surface of the side piece. A closing part is provided so as to cover a part of the container, and a gripping part is provided at a predetermined position of the closing part. Further, by raising the side piece and the lid side piece, the upper part of the container main body is raised. It is characterized in that the space is formed so that it can be closed.

<Operation> According to the packaging container having the above-described configuration, the whole is integrally molded with the synthetic resin foam sheet having excellent heat insulation, and
The container main body is constructed by erecting the side piece connected in the vicinity of the mouth of the container main body and the lid side piece having a closing portion that covers a part of the outer surface and the upper surface of the side piece to stand above the mouth of the container main body. Since the upper space of the container is formed so as to be able to be closed, it is possible to store the stored items stored mainly in the container while keeping the cold or warm state for a long time.

In addition, when packing or unloading stored items, the side pieces and lid side pieces are bent around the mouth of the container main body to expose the container main body for storing stored items to the outside. be able to.

<Examples> Hereinafter, detailed description will be given with reference to the accompanying drawings illustrating examples.

FIG. 1 is a perspective view showing an embodiment of the packaging container according to the present invention. In the figure, the entire packaging container is integrally formed of a synthetic resin foam sheet, and a box-shaped container main body (1) for accommodating stored items is formed in the center of the packaging container. In the vicinity of the mouth (10) of the container body (1), side pieces (2) that can stand upright above the mouth (10) of the container body (1) are connected to a pair of opposing short sides. A lid side piece (3) that can stand upright above the mouth (10) of the container main body (1) is continuously provided on the long side adjacent to the side piece.

FIG. 2 is a plan view showing a state in which the side piece (2) and the lid side piece (3) are bent around the mouth portion (10) of the container main body (1). In the figure, the container main body (1) has a bent groove (11) formed in its mouth (10), and the side piece (2) and the lid side piece (3) are It stands or is bent along the curved groove (11). Further, the container main body (1) has a side wall (12) having a predetermined depth formed according to the height of the stored items, and the height of the side wall (12) is the side piece (2). When the lid side piece (3) is bent, the vicinity of the upper portion of the stored item is formed at a height exposed from the mouth (10).

FIG. 3 shows the lid side piece (3) with the mouth part (10) of the container main body (1).
It is sectional drawing which shows the state bent to the circumference. As shown in the same figure, the lid side piece (3) is gradually recessed from the mouth (10) side of the container main body (1) to the upper end side. Further, a closing part (3a) covering the outer surface and the upper surface of the adjacent side piece (2) is provided continuously from the upper end and the side edge of the lid side piece (3) to the adjacent surface. The piece (3) is formed so as to be able to close the upper space of the container main body (1) by standing up together with the side piece (2). Also,
At the upper end of each lid side piece (3) (3), the grip (3
0) (30) and holding holes (31) (31) for inserting fingers are formed. Incidentally, (32) is a tongue piece obtained when the grip hole (31) is cut out and formed, and the tongue piece (32) is formed by attaching a joining member such as tape to the lid side piece (3). ) (3) Helps to connect each other.

FIG. 4 is a sectional view showing a state in which the side piece (2) is bent around the mouth (10) of the container body (1). As shown in the same figure, the side piece (2) is formed flat and is folded into the container main body (1) at its peripheral edge excluding the mouth portion (10) through a bending groove (21). A piece (20) is formed.

A non-woven sheet (4) is joined to the inner surface of the packaging container, and the non-woven sheet (4) is joined to the container main body (1), the side piece (2) and the lid side piece (3). It may be carried out by any means, such as partial or whole heat fusion or adhesion using an adhesive or the like. A film or the like may be joined to the outer surface of the packaging container.

Further, as the container main body (1), the side piece (2) and the lid side piece (3), a foamed polystyrene sheet or the like having excellent heat insulating property is also preferable because it has excellent buffering property. When the non-woven sheet (4) is joined, the non-woven sheet (4) containing polypropylene fiber or viscose rayon fiber and having a density of about 30 g / m ³ or more is a cushioning material. It is also desirable from the viewpoint of water absorption.

FIG. 5 and FIG. 6 show a state in which the side piece (2) and the lid side piece (3) of the packaging container are erected above the mouth (10) of the container body (1) to assemble the packaging container. Shows. As shown in these figures, the lid side pieces (3) on the opposite long sides are opposed to each other.
Is erected in such a manner that the outer surface and a part of the upper surface of the adjacent short-side side piece (2) are covered by the closing part (3a) of the lid-side piece (3), and the opposing lid is opposed. In the state where the grips (30) (30) continuously provided on the upper ends of the side pieces (3) are overlapped,
The container main body (1) for accommodating the stored items is completely closed by the side piece (2) and the lid side piece (3).

FIG. 7 and FIG. 8 are side views showing a state in which, for example, a cake (A) is stored as a stored item. In these figures, when the side piece (2) and the lid side piece (3) are bent around the mouth part (10) of the container main body, the cake (A) has its upper part near the upper part of the container main body (1). It is stored exposed from the mouth (10).

According to the packaging container having the above configuration, the whole is integrally molded with the synthetic resin foam sheet excellent in heat insulation,
The side piece (2) on the short side and the lid side piece (3) having a closing portion (3a) that covers a part of the outer surface and the upper surface of the side piece (2) are connected to the mouth of the container main body (1). By standing up above the part (10), the upper space of the container body (1) is closed, so that the stored items can be packaged in a closed state. For example, frozen food such as ice cream can be stored as the stored items. Even when it is stored, it is possible to prevent thawing and maintain the cold state for a long time.

In addition, when packing or unloading stored items, the side piece (2) and the lid side piece (3) are bent around the mouth portion (10) of the container body (1) to form a storage portion. Since the container main body (1) can be exposed to the outside, even if it is a food such as a cake as a storage item,
It can be taken in and out without losing its shape, and it can be handled easily.

In particular, in the case where the nonwoven fabric sheet (4) is bonded to the inner surface of the packaging container, water or the like generated from frozen food can be efficiently absorbed and the food can be stored with good buffering property. In addition, the synthetic resin foam sheet, which is the material for the packaging container, has excellent water resistance, and the strength of the packaging can be further improved by bonding the film to the outer surface of the packaging container, which is convenient for handling. It becomes a container.

The packaging container according to the present invention is not limited to the above embodiment, and can be sufficiently applied to food items such as hamburgers that need to be kept warm, for example, as storage items. Further, the container main body (1) may have the same length on each side. Furthermore, the side piece (2) does not need to be provided with the tongue piece (30) around it. The nonwoven fabric sheet (4) may be partially joined to the container body (1) or the like. In addition, various design changes can be made without changing the gist of the present invention.

<Effects of the Invention> As described above, according to the packaging container of the present invention, the whole is integrally formed of the synthetic resin foam sheet having excellent heat insulating properties, and the side piece and the lid side piece are mainly formed of the container. By standing up above the mouth and assembling, the upper space of the container main body can be closed, so that it is possible to store the stored item in a cold or warm state for a long time. Therefore, during the day such as summer, for example,
Even when a food for cold storage such as a cake or ice cream is stored, it is possible to prevent the food from being corroded or thawed in a short time. Further, in the winter season, for example, when a heat-retaining food such as a hamburger is stored, it is possible to prevent the food from cooling in a short time, and it is possible to save labor such as reheating with a microwave oven or the like.

Also, when packing or unloading stored items, the side pieces and lid side pieces are bent around the container main body so that the container main body is exposed to the outside, and then the above-mentioned stored product is loaded and unloaded. It is possible to prevent the food such as cake from losing its shape.

Therefore, a very practical effect is achieved as a packaging container for storing food for cold storage such as cake and ice cream or food for heat insulation such as hamburger.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the packaging container according to the present invention, FIG. 2 is a plan view showing a state in which side pieces and lid side pieces are bent, and FIG. 3 is III-III of FIG. Fig. 4 is a sectional view taken along line IV-IV in Fig. 2, Fig. 5 and Fig. 6 are side views showing the assembled state of the packaging container, and Figs. 7 and 8 are side pieces and lids. It is a side view which shows the state which accommodated the storage item while bending a side piece. (1) …… Main body of container, (2) …… side piece, (3) …… side piece of lid, (10) …… mouth, (30) …… grip, (3a) …… closed.

Claims (1)

[Scope of utility model registration request] 1. A synthetic resin foam sheet is integrally formed as a whole, and is erected above the mouth portion on two opposite sides of one side near the mouth portion of a substantially rectangular container for accommodating stored items. A flexible side piece is continuously provided, and a lid side piece that can stand upright above the mouth is continuously provided on two sides of the other side adjacent to this side piece. A closing portion that covers a part of the outer surface and the upper surface of the piece is continuously provided, and a grip portion is provided at a predetermined position of the closing portion, and by further raising the side piece and the lid side piece. A packaging container, wherein an upper space of the container body is formed so as to be able to be closed.