JP3236469U - Food packaging container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact food packaging container having a small dead space while ensuring good sealing performance of two storage spaces, an upper part and a lower part, which are separated by a middle plate. SOLUTION: This is a food packaging container 1 provided with a container main body 10, a middle plate 20 and a lid 30, the container main body 10 is provided with a main body fitting portion 13 at an upper opening end, and the middle plate 20 is on a peripheral edge. The middle plate fitting portion 23 is provided, and the lid 30 is provided with a lid fitting portion 33 on the peripheral edge thereof. The middle plate fitting portion 23 of the middle plate 20 is internally fitted inside the middle plate 13, and the lid fitting portion 33 of the lid 30 is internally fitted inside the middle plate fitting portion 23 of the middle plate 20 to form the lid 30. The lid fitting portion 33 is internally fitted inside the main body fitting portion 13 of the container main body 10 via the middle plate fitting portion 23 of the middle plate 20. [Selection diagram] FIG. 6

Description

The present invention relates to a food packaging container, and more particularly to a food packaging container provided with a container body, a middle plate, and a lid.

For example, Patent Document 1 describes a food packaging container provided with a container body, a middle plate, and a lid, wherein the container body is a reverse-tapered first reverse-tapered fitting portion that expands downward. And a second reverse taper fitting part having a reverse taper shape, which is located below the first reverse taper fitting part and expands downward, and the middle plate is directed toward the lower side. It has a reverse-tapered reverse-tapered fitting that expands, and the lid has a reverse-tapered reverse-tapered fitting that expands downward. The reverse taper fitting part of the middle plate is fitted inside the second reverse taper fitting part of the container body, and the reverse taper fitting part of the lid is fitted inside the first reverse taper fitting part of the container body. Food packaging containers are disclosed.

Since the food packaging container disclosed in Patent Document 1 has a structure in which both the middle plate and the lid are internally fitted to the container body, the lower storage space and the upper storage space separated by the middle plate are respectively. The first food and the second food stored in the container could be easily stored in a separated state.

Japanese Unexamined Patent Publication No. 2017-21236

However, in the food packaging container disclosed in Patent Document 1, the container body is formed with two upper and lower reverse taper fitting portions that serve as a fitting portion for the middle plate and a fitting portion for the lid. Therefore, the height of the container body is inevitably high by this amount, and the container for food packaging is bulky as a whole. In addition, since there is a fitting part between the container body and the middle plate under the fitting part between the container body and the lid, when the soup is put in the container body which is the lower storage space separated by the middle plate, Moisture that has passed through the fitting portion between the container body and the middle plate permeates onto the middle plate, which is the upper storage space separated by the middle plate, and there is a risk of wetting the food stored in the upper storage space. That is, there is room for improvement in the sealing property between the lower storage space and the upper storage space separated by the middle plate.

The present invention has been made in view of the problems of the above-mentioned background technology, and the purpose of the present invention is to ensure good sealing performance of the upper and lower storage spaces separated by the middle plate. The purpose is to provide a compact food packaging container with less dead space.

In order to achieve the above-mentioned object, the present invention uses the food packaging container described in the following [1] to [5].
[1] A food packaging container provided with a container body, a middle plate, and a lid. The container body has a main body fitting portion at the upper opening end, and the middle plate has a middle plate fitting portion on the peripheral edge. The lid is provided with a lid fitting portion on the peripheral edge thereof, and in a state where the middle plate is stored in the container body and the lid is attached, the inner plate is inside the main body fitting portion of the container body. The middle plate fitting portion is internally fitted, and the lid fitting portion of the lid is internally fitted inside the middle plate fitting portion of the middle plate, so that the lid fitting portion of the lid is inside the middle plate. A container for food packaging, which is internally fitted inside the main body fitting portion of the container main body via a dish fitting portion.
[2] An outwardly protruding inner plate ridge is formed on the upper portion of the inner plate fitting portion, and an outwardly protruding lid ridge is formed on the lower portion of the lid fitting portion, and the container main body is formed. In a state where the middle plate is stored in the container and the lid is attached, the protrusion of the middle plate is pressed against the inside of the upper portion of the fitting portion of the main body of the container body, and the protrusion of the lid is the middle plate of the middle plate. The food packaging container according to the above [1], which is pressed against the inside of the lower portion of the fitting portion.
[3] The position where the lid ridge is in pressure contact with the inside of the lower portion of the middle plate fitting portion of the middle plate is such that the middle plate ridge is inside the upper portion of the main body fitting portion of the container body. The food packaging container according to the above [2], which is located below the pressure-welded position.
[4] A main body flange portion protruding outward is formed at the upper end of the main body fitting portion, and a middle plate flange portion protruding outward is formed at the upper end of the middle plate fitting portion. A lid flange portion protruding outward is formed at the upper end of the joint portion, and in a state where the middle plate is stored in the container body and the lid is attached, the middle plate flange portion of the middle plate is the container body. The above [1] to the above, wherein the lid flange portion of the lid abuts while being placed on the main body flange portion, and the lid flange portion of the lid is abutted while being placed on the middle plate flange portion of the middle plate. The food packaging container according to any one of [3].
[5] The main body fitting portion, the middle plate fitting portion, and the lid fitting portion are all formed in a reverse tapered fitting portion that expands downward. The food packaging container according to any one of [1] to [4].

According to the above-mentioned food packaging container according to the present invention, it is possible to ensure good sealing performance of the two upper and lower storage spaces separated by the middle plate, and for compact food packaging with less dead space. Can provide containers.

It is a perspective view which showed the separated state (the lid open state) of the food packaging container which concerns on one Embodiment of this invention. It is a perspective view which showed the container main body of the food packaging container shown in FIG. 1 in an enlarged manner. It is a perspective view which showed the middle plate of the food packaging container shown in FIG. 1 in an enlarged manner. FIG. 3 is an enlarged perspective view showing the lid of the food packaging container shown in FIG. 1. It is an end view of the main part which showed the separated state (the lid open state) of the food packaging container shown in FIG. FIG. 3 is an end view of a main part showing a united state (closed state) of the food packaging container shown in FIG. 1. FIG. 3 is an end view of a main part showing a state when the food packaging container shown in FIG. 1 is heated in a microwave oven.

Hereinafter, embodiments of the food packaging container according to the present invention will be described in detail with reference to the drawings.

The food packaging container 1 according to the present invention includes a container main body 10, a middle plate 20, and a lid 30 as shown in the perspective view of the separated state (closed state) of FIG. The container body 10 can contain the first food, and the middle plate 20 can contain a second food of a type different from the first food. That is, the storage space of the food packaging container 1 according to the present invention is divided into two upper and lower regions by the middle plate 20 in the combined state (closed state), and the lower storage space X below the middle plate 20. It is divided into an upper storage space Y above the middle plate 20 (see FIGS. 6 and 7). For example, soups and the like are stored in the lower storage space X, and noodles and ingredients are stored in the upper storage space Y.

As shown in FIG. 2, the container main body 10 has a bottom surface portion 11, a side wall portion 12 rising from the bottom surface portion 11, and a main body fitting portion 13 formed at the upper end of the side wall portion 12, that is, the upper opening end. Have. In the illustrated embodiment, the side wall portion 12 is formed on an inclined surface that expands upward from the bottom surface portion 11. Further, the main body fitting portion 13 has a stepped portion 13a formed so as to project outward from the upper end of the side wall portion 12, and an inclined surface gradually inward (toward the center of the container) from the outer end of the stepped portion 13a upward. It is formed in a reverse-tapered fitting portion that expands downward and is composed of a main body fitting surface portion 13b formed in (see FIG. 5). A main body flange portion 14 projecting outward is formed at the upper end of the main body fitting portion 13 having the above configuration.
In the illustrated embodiment, the shape of the container body 10 in a plan view is circular, but a container body having a plan view shape such as a polygon or an ellipse may be used.

As shown in FIG. 3, the middle plate 20 includes a bottom surface portion 21, a peripheral wall portion 22 rising from the bottom surface portion 21, and a middle plate fitting portion 23 formed on the upper peripheral edge of the peripheral wall portion 22. ing. The plan view shape of the middle plate 20 corresponds to that of the container body 10, and since the container body 10 is circular in plan view as described above, the middle plate 20 is also formed in a circular shape in plan view correspondingly. ing. The middle plate 20 has a shape and size that can be stored in the container body 10, and when the middle plate 20 is housed in the container body 10, the bottom surface portion 21 of the middle plate 20 floats upward from the bottom surface portion 11 of the container body 10. The lower accommodation space X described above is defined there (see FIGS. 6 and 7).

The middle plate fitting portion 23 has a stepped portion 23a formed so as to project outward from the upper end of the peripheral wall portion 22, and an inclined surface gradually inward (toward the center of the container) from the outer end of the stepped portion 23a upward. It is formed in a reverse-tapered fitting portion that expands downward and is composed of a middle plate fitting surface portion 23b formed in. In the upper portion of the countersunk plate fitting portion 23 formed in the reverse taper shape, the countersunk plate ridges 23c are formed over the entire circumference in a state of projecting outward (see FIG. 5). Then, in a state where the middle plate 20 is housed in the container main body 10, the middle plate fitting portion 23 having the above configuration is internally fitted inside the main body fitting portion 13 of the container main body 10, and the inner plate fitting portion 23 is internally fitted. In this state, the inner plate convex strip 23c of the inner plate is mainly pressed against the inside of the upper portion of the main body fitting portion 13 of the container main body 10 to achieve a strong seal (see FIG. 6).
The height of the inner plate ridge 23c is preferably 0.1 to 1 mm, more preferably 0.2 to 0.8 mm.

A middle plate flange portion 24 protruding outward is formed at the upper end of the middle plate fitting portion 23. The shape of the middle plate flange portion 24 is arbitrary, but in a state where the middle plate 20 is housed in the container body 10, the middle plate flange portion 24 of the middle plate 20 is placed on the main body flange portion 14 of the container body 10. It abuts in the placed state to prevent dust and the like from entering the lower storage space X defined under the middle plate 20, and also to prevent moisture from the first food stored in the lower storage space X. Acts to prevent spills to the outside (see FIG. 6). Further, the middle plate flange portion 24 is further formed with a grip portion 25 having a part thereof projected outward, and by using the grip portion 25, the middle plate 20 can be easily removed from the container body 10. It is supposed to be. Further, it is preferable that two of the picking portions 25 are formed at substantially symmetrical positions, whereby the second food stored in the middle plate can be easily put into the lower storage space X as it is. ..

Ribs 26 are provided on the bottom surface portion 21 and the peripheral wall portion 22 of the middle plate 20 in consideration of reinforcement and slipperiness of the second food product placed in the middle plate 20. Further, a bulging portion 27 that bulges upward from the bottom surface portion 21 is formed, and a middle plate exhaust port 27b is provided on the top surface portion 27a of the bulging portion 27. The middle plate exhaust port 27b may have various shapes, but in the present embodiment, it is formed in a U-shaped notch. The forming position of the bulging portion 27 may be various. For example, the bulging portion 27 may be formed in the central portion of the bottom surface portion 21, but the storage efficiency of the second food to be placed on the bottom surface portion 21 may be improved. From the viewpoint of enhancing, it is preferable to form it on the peripheral portion of the bottom surface portion 21 as shown in the illustrated embodiment. The height of the top surface portion 27a of the bulging portion 27 may be higher than that of the bottom surface portion 21, but the height of the peripheral wall portion 22 should be at least half or more. It is preferable because it is difficult to do. By providing the middle plate 20 with the bulging portion 27 and forming the middle plate exhaust port 27b on the top surface portion 27a in this way, the steam generated in the lower accommodation space X during heating by the microwave oven is discharged to the middle plate exhaust port. It can be smoothly released to the upper storage space Y via 27b, and the middle plate 20 can be prevented from being unintentionally detached from the container body 10 due to an increase in pressure (see FIG. 7). However, the exhaust port may be provided at a position other than the bulging portion 27, for example, a concave groove may be provided on the outer surface of the middle plate fitting portion 23 of the middle plate 20, or the main body fitting portion 13 of the container main body 10 may be provided. A concave groove may be provided on the inner surface of the space to form an exhaust port for communicating the lower storage space X and the upper storage space Y.

As shown in FIG. 4, the lid 30 includes a top surface portion 31, a peripheral wall portion 32 hanging from the top surface portion 31, and a lid fitting portion 33 formed on the peripheral edge of the peripheral wall portion 32. Since the lid 30 closes the upper opening of the container body 10, the shape of the lid 30 in a plan view corresponds to that of the container body 10, and therefore, in the illustrated embodiment, the lid 30 is also viewed in a plan view. It is formed in a circular shape. The lid 30 closes the upper opening of the container body 10 in a state of being attached to the container body 10 in which the middle plate 20 is stored, and defines the above-mentioned upper storage space Y between the lid 30 and the container body 20 (FIG. 6, FIG. See FIG. 7).

The peripheral wall portion 32 of the lid 30 extends downward from the peripheral edge of the top surface portion 31 while expanding downward, and the lid fitting portion 33 is formed from the lower end of the peripheral wall portion 32 toward the outside. The lid fitting portion 33 is formed on an extending portion 33a formed from the lower end of the peripheral wall portion 32 toward the outside and a lid formed on an inclined surface gradually inward from the outer edge of the extending portion 33a. It is formed in a reverse tapered fitting portion which is composed of a fitting surface portion 33b and expands downward. A lid ridge 33c is formed on the lower portion of the lid fitting portion 33 formed in the reverse taper shape over the entire circumference, particularly in a state of projecting outward (see FIG. 5). It should be noted that the convex shape of the lid does not have to have a completely convex shape, and includes a portion forming the outermost peripheral edge portion in the reverse tapered inclination. Then, in a state where the middle plate 20 is housed in the container body 10 and the lid 30 is attached (closed state), the lid fitting portion 33 having the above configuration is the middle plate fitting portion of the middle plate 20. By internally fitting to the inside of the 23, the inner plate is internally fitted to the inside of the main body fitting portion 13 of the container main body 10 via the inner plate fitting portion 23 of the inner plate 20, and in the state of being internally fitted, the inner plate is fitted. The lid protrusion 33c of the lid is pressed against the inside of the lower portion of the middle plate fitting portion 23 of the middle plate 20 to achieve a strong seal (see FIG. 6).
Then, in a state where the middle plate 20 is stored in the container body 10 and the lid 30 is attached (closed state), the lid protrusion 33c of the lid is the lower portion of the middle plate fitting portion 23 of the middle plate 20. The position where the inner plate is pressed against the inside is located below the position where the inner plate convex strip 23c of the inner plate is pressed against the inside of the upper portion of the main body fitting portion 13 of the container main body 10. .. As a result, in the food packaging container 1 according to the present invention, a two-step strong seal can be achieved at the fitting portion between the container main body 10, the middle plate 20, and the lid 30.
The height of the lid protrusion 33c is preferably 0.1 to 1 mm, more preferably 0.2 to 0.8 mm.

A lid flange portion 34 projecting outward is formed at the upper end of the lid fitting portion 33. The lid flange portion 34 abuts on the flange portion 24 of the middle plate 20 in a state where the lid 30 is attached to the container body 10 in which the middle plate 20 is housed, and the lid 30 and the middle plate 20 come into contact with each other. It prevents dust and the like from entering the upper accommodation space Y defined between them, and controls over-fitting of the lid 30 (see FIG. 6). Further, the lid flange portion 34 is further formed with a knob portion 35 having a part thereof protruding outward, which facilitates the removal of the lid 30.
Further, it is preferable that the peripheral edge of the lid flange portion 34 is formed with irregularities formed by knurling in order to prevent the finger from being cut when the peripheral edge is rubbed with a finger.

A recess 36 dug down is formed in a part of the top surface portion 31 of the lid 30, and a lid exhaust port 36a is formed in the recess 36. The lid exhaust port 36a may also have various shapes like the middle plate exhaust port 27b formed in the middle plate, but in the present embodiment, it is formed by drilling a plurality of elongated holes. By providing the recess 36 in the lid 30 and forming the lid exhaust port 36a in the recess 36 in this way, a part of the lid exhaust port 36a in which the packaging film or the like is formed in the lid 30 when heated by a microwave oven or Even when the entire cover is covered, the steam or the like accumulated in the upper storage space Y can be smoothly released to the outside, and the lid 30 can be prevented from being unintentionally detached from the container body 10 (FIG. 7). reference). However, an exhaust port other than the above may be provided. For example, a concave groove may be provided on the outer surface of the fitting portion 33 of the lid 30, or a concave groove may be provided on the inner surface of the fitting portion 23 of the middle plate 20. Therefore, an exhaust port for communicating the upper storage space Y with the outside of the container may be formed.

The top surface portion 31 of the lid 30 may be flat over the entire region, but a rib 37 in consideration of reinforcement may be formed, or a storage recess 38 or the like which serves as a storage portion for small items (for example, condiments) may be formed. May be good. Further, on the container body 10, the middle plate 20, and the lid 30, blocking prevention protrusions for preventing blocking when the respective members are stacked may be arranged while shifting their positions in the circumferential direction, and are shown in the figure. In the embodiment, the middle plate 20 and the lid 30 are provided with the protrusions 28 and 39 for preventing blocking, respectively.

The container body 10, the middle plate 20, and the lid 30 described above are not particularly limited, but are limited to synthetic resin sheets, specifically, thermoplastic resin sheets such as polyethylene, polypropylene, polystyrene, and polyethylene terephthalate, and further poly. Thermoformed products such as biodegradable thermoplastic resin sheets such as lactic acid can be adopted. Further, the synthetic resin sheet is preferably thermoformed by vacuum or compressed air forming, and vacuum forming is simple and optimal in consideration of mass productivity at the time of molding when the synthetic resin sheet is used as a raw material, processing accuracy and the like.

For microwave ovens, it is preferably composed of a heat-resistant synthetic resin sheet. Further, it is preferable that the container body 10 is made of a synthetic resin foam sheet. When the container body 10 is made of a synthetic resin foam sheet in this way, the heat of the food is not easily transferred to the hand even if the container body 10 is grasped by hand after heating in a microwave oven. Further, when the container body 10 is made of a synthetic resin foam sheet, appropriate elasticity is generated at the time of fitting with the lid, and the fitting property is improved. From the above viewpoint, the density of the synthetic resin foam sheet is generally 5 to 500 kg / m ³ , preferably 50 to 150 kg / m ³ , and more preferably 60 to 130 kg / m ³ . The thickness of the synthetic resin foam sheet is generally 0.05 to 10 mm, preferably 1 to 5 mm, and more preferably 1.5 to 8 mm. Further, the synthetic resin sheet having excellent transparency is preferably used as the lid 30.

In the food packaging container 1 according to the present invention described above, the first food is placed in the container body 10, and then the middle plate 20 is stored in the container body 10. The second food may be put in the middle plate 20 in advance, or the second food may be put in the middle plate 20 after the middle plate 20 is stored in the container body 10. Then, the wrapping work is completed by attaching the lid 30 to the container body 10 and covering it with a wrapping film or the like as needed.

In the closed state of the food packaging container 1, the lower storage space X is partitioned by the bottom surface 11 of the container body 10 and the middle plate 20, and the upper storage space Y is partitioned by the middle plate 20 and the lid 30. To. Since the lower storage space X and the upper storage space Y are separated into upper and lower parts by the middle plate 20, the lower storage space X and the upper storage space Y are separated from each other in different types of the first food and the second food. Can be accommodated.

Then, in the closed state of the food packaging container 1, the middle plate fitting portion 23 of the middle plate 20 is internally fitted inside the main body fitting portion 13 of the container main body 10, and is internally fitted to the container main body 10. The lid fitting portion 33 of the lid 30 is internally fitted inside the middle plate fitting portion 23 of the middle plate 20, that is, the lid fitting portion 33 of the lid 30 is placed on the middle plate 20 via the middle plate 20. Since the middle plate fitting portion 23 is internally fitted to the main body fitting portion 13 of the same container main body 10 to be internally fitted, it is disclosed in Patent Document 1 (Japanese Unexamined Patent Publication No. 2017-21236) described above. Unlike the container for food packaging, which has two upper and lower fittings, which are the fitting part of the middle plate and the fitting part of the lid, in the container body, the one-step fitting part is formed. Therefore, it can be formed into a compact food packaging container with less dead space. Further, the lid fitting portion 33 of the lid 30 is internally fitted to the main body fitting portion 13 of the container body 10 to which the middle plate fitting portion 23 of the middle plate 20 is internally fitted via the middle plate 20. Therefore, the fitting portion between the container body 10 and the middle plate 20 is fitted in a state of being further pressed by the fitting portion of the lid 30, and the sealing property is improved, so that the fitting portion is separated by the middle plate 20. It is a container for food packaging that can ensure good sealing performance between the two storage spaces X and Y in the upper part and the lower part.

On the other hand, a container from the middle plate exhaust port 27b for discharging the steam during heating in the microwave from the lower storage space X below the middle plate 20 to the upper storage space X above the middle plate 20 and the upper storage space Y. Since the container 1 for food packaging is provided with a lid exhaust port 36a for discharging to the outside, the arrow is shown in FIG. 7 even when the container is placed in a microwave oven with the lid closed and cooked without opening. As described above, the steam generated in the lower storage space X moves to the upper storage space Y through the middle plate exhaust port 27b, and the steam in the upper storage space Y is discharged to the outside of the container through the lid exhaust port 36a. Therefore, foods that can effectively prevent the inner plate 20 and the lid 30 from being unintentionally detached from the container body 10 or the container itself from expanding and deforming due to internal pressure during or after heating. It becomes a packaging container.

Although the embodiment of the food packaging container according to the present invention has been described above, the present invention is not limited to the above-described embodiment, and the technical idea of the present invention described in the scope of claims for registration of a practical novel is described above. It goes without saying that various modifications and changes are possible within the scope of the food packaging container.

The food packaging containers shown in FIGS. 1 to 7 are prepared, 100 mL of water is put into the lower storage space X of the container body 10, and the middle plate fitting portion 23 of the middle plate 20 is inside the main body fitting portion 13. After fitting and storing the middle plate 20 in the container body 10, the lid fitting portion 33 of the lid 30 is internally fitted into the middle plate fitting portion 23 to fit the lid fitting portion 33 of the lid 30 into the middle plate. The lid 30 was attached to the container main body 10 by being internally fitted to the main body fitting portion 13 via the joint portion 23. After that, the container was tilted so that water was splashed on the main body fitting portion 13, and the container was left for 1 hour to observe the state of juice leakage.
No juice leakage was confirmed in the above container.
On the other hand, the container described in Patent Document 1 was prepared, and similarly, 100 mL of water was put into the container body, and then the inner plate and the lid were fitted to the container to cover the container, and the juice leakage was observed.
In the latter container, water leaked from the fitting part between the container body and the middle plate and the fitting part between the container body and the lid at the tilted stage, and juice leakage was observed.

The food packaging container according to the present invention can be suitably used as a food packaging container for separately storing and selling different types of food such as soup and noodles in a convenience store or the like. ..

1 Container for food packaging 10 Container main body 11 Bottom part 12 Side wall part 13 Main body fitting part 13a Step part 13b Main body fitting surface part 14 Main body flange part 20 Middle plate 21 Bottom part 22 Peripheral wall part 23 Middle plate fitting part 23a Step part 23b Medium plate fitting surface part 23c Medium plate convex strip 24 Medium plate flange part 25 Knob part 26 Rib 27 Swelling part 27a Top surface part 27b Medium plate exhaust port 28 Blocking prevention convex part 30 Lid 31 Top surface part 32 Peripheral wall part 33 Lid fitting Part 33a Extension part 33b Closure fitting surface part 33c Lid convex strip 34 Lid flange part 35 Knob part 36 Concave part 36a Lid exhaust port 37 Rib 38 Storage concave part 39 Blocking prevention convex part X Lower storage space Y Upper storage space

Claims (5)

A container for food packaging provided with a container body, a middle plate, and a lid. The container body has a main body fitting portion at the upper opening end, and the middle plate has a middle plate fitting portion on the peripheral edge. The lid is provided with a lid fitting portion on the peripheral edge, and in a state where the middle plate is stored in the container body and the lid is attached, the middle plate is fitted inside the main body fitting portion of the container body. The joint portion is internally fitted, and the lid fitting portion of the lid is internally fitted inside the middle plate fitting portion of the middle plate, so that the lid fitting portion of the lid is fitted to the middle plate of the middle plate. A container for food packaging, characterized in that it is internally fitted inside the main body fitting portion of the container main body via a portion. An outwardly protruding inner plate ridge is formed on the upper portion of the middle plate fitting portion, and an outwardly protruding lid ridge is formed on the lower portion of the lid fitting portion. In a state where the plate is stored and the lid is attached, the inner plate ridge is pressed against the inside of the upper portion of the main body fitting portion of the container body, and the lid ridge is the upper middle plate fitting portion of the middle plate. The food packaging container according to claim 1, wherein the container is pressed against the inside of the lower portion of the container. At the position where the lid ridge is pressed against the inside of the lower portion of the middle plate fitting portion of the middle plate, the middle plate ridge is pressed against the inside of the upper portion of the main body fitting portion of the container body. The food packaging container according to claim 2, wherein the container is located below the existing position. A main body flange portion protruding outward is formed at the upper end of the main body fitting portion, and a middle plate flange portion protruding outward is formed at the upper end of the middle plate fitting portion. A lid flange portion protruding outward is formed at the upper end, and in a state where the middle plate is stored in the container body and the lid is attached, the middle plate flange portion of the middle plate is the main body flange portion of the container body. One of claims 1 to 3, wherein the lid flange portion of the lid abuts in a state of being placed on the middle plate, and the lid flange portion thereof abuts in a state of being placed on the middle plate flange portion of the middle plate. The food packaging container described in. Claims 1 to 1, wherein the main body fitting portion, the middle plate fitting portion, and the lid fitting portion are all formed into a reverse-tapered fitting portion that expands downward. The food packaging container according to any one of 4.

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