JPH0751093B2 - Food container and food packaging method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food container and a method for packaging food, and more particularly, a convenient food container for take-out, in which a part of the container can be kept warm and the other part can be kept cold at the same time. That is, that is, a food container having a saucer for food that can be transferred to another container with one touch without impairing the beautifully arranged design of the food,
And a food packaging method using these.

[0002]

2. Description of the Related Art Conventionally, as food for take-out, particularly as a lunch for take-out, an ekiben, which consists of side dishes and rice at room temperature, and the so-called "Hokka other lunch," which is widely used in recent years and consists of warm side dishes and rice. , Etc., or various things such as two-tiered containers in which different kinds of dishes such as buckwheat and sushi are packed, are known, and various take-out food containers according to these contents. It has been known. By the way, recently, a variety of so-called "rice bowls", such as sea urchins and sashimi of tuna, placed on warm rice, a variety of so-called "rice bowls" that have not been seen in the past, are being offered in restaurants. And has been well received. These "rice bowls" are, for example, shaped rose flowers with tuna sashimi, and decorated brocade eggs around them.
It is a nicely prepared dish of living things on rice, and it has an excellent design and is appetizing.

[0003]

[Problems to be Solved by the Invention] However, the above-mentioned bowl-like dish is one in which the ingredients of living things such as tuna are placed on warm rice, and in this state, each taste and aesthetics should be maintained. If so, the freshness of living things is likely to decrease,
It was difficult to provide this as a lunch box for take-out. That is, in order to bring home such a bowl,
I couldn't keep warm rice and the ingredients of living things that needed to be kept in the same container, and I had to put them in separate containers and bring them home. Furthermore, when eating, it is necessary to put the ingredients of living things on rice and re-prepare these things that are put in separate containers, so for example, the ingredients of living things were nicely arranged in the container. However, there is also a problem that the design value of cooking is greatly impaired at the time of this transfer.

Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art and to keep the freshness of the ingredients of living things and the heat retention of hot rice etc. at the same time in one container, which is inexpensive and simple. It is to provide a food container for take-out. Furthermore, more specifically, a saucer for food that can be brought home in the state of being cooked and served without compromising the design of beautifully-prepared biological ingredients, and which can easily reproduce beautifully designed dishes on the table. It is intended to provide a food container having the above and a food packaging method. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food container having a food tray that can be transferred to another container with a chi, and a food packaging method using these.

[0005]

The above object can be achieved by the present invention described below. That is, the present invention relates to a main body container and a lid.
In a food container consisting of a body, assembled on top of the main container
The outer diameter of the fitted inner plate should be approximately the same as the inner diameter of the main container.
The other end of the inner plate, which has two left and right members made of a material having a slippery surface on one side of the inner plate, and has a handle portion at each one end Place the food trays that are engaged with each other and that are configured so that the two members form one surface, and
The lid is put on the container, and the lid and the main body container are engaged with each other.
And a food packaging method using the food container.

[0006]

The present inventors have conducted extensive studies to solve the above-mentioned problems of the prior art, and as a result, if a food saucer of a specific shape is used, a beautifully prepared dish can be placed on hot rice etc. with one touch. The present invention was found to be possible and the present invention was achieved. In addition, the container body is configured to be able to keep warm, and the lid portion can be kept cold, and a heat insulating layer is provided at the boundary between the container body and the lid, and the above food grade food product is provided on the heat insulating layer. If a food container with a saucer is incorporated, warm food and food that needs to be kept cold can be stored in one container and can be held as it is for a certain period of time, and further, the excellent design of the dish will be impaired. The present invention was completed by finding that there is no such problem.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Next, the present invention will be described in more detail with reference to the drawings. FIG. 1 is an exploded perspective view showing a general outline of a food container which is an example of the present invention. As shown in FIG. 1, the food container of the present invention basically comprises a container body B, a lid C, and a food tray A. Further, preferably,
In addition to this, an inner dish D having a structure fitted without a gap is provided in the opening of the container body B, and the food tray C is housed on the inner dish. The first feature of the food container of the present invention is that the food tray A has a specific structure. That is, the food tray A is composed of two left and right members a and a'as illustrated in Fig. 4 (a), and these two members can be lifted by placing a biological ingredient on them. In order not to be easily divided, the central parts are intermeshed with each other to form one surface. Furthermore, as shown in FIG.
Holding the convex handles 2 and 2'provided at the ends of the respective members and pulling to the left and right, the other ends 1 and 1 without the handles
It is configured to be divisible by ´. As a method of interlocking the left and right two members a and a'constituting the food saucer A with each other, as shown in FIG.
′ Is provided with a notch 6 ′ and is inserted into the end 1 of the other member a, or as shown in FIG. 5, by notching each member, a convex portion is formed on one side. 6
Alternatively, the concave portion 6 may be provided on the other side, and the concave portions 6 may be combined and fitted and fixed. Further, as shown in FIG. 6, for example, the members a and a ′ are provided with concave portions whose upper surfaces are concave, and the concave portions 7 provided in the member a are provided in the member a ′. It is also a preferred embodiment that recesses having different sizes are provided so that the projections formed on the lower surface side of the recesses 7'having concave shapes can be inserted, and both members are fitted and fixed. The left and right two members a by the above method
Since the food saucer A consisting of a and a'is engaged with each other and both members are firmly assembled, even if a biological ingredient or the like is placed on the food tray and lifted up, the food receiving tray A does not easily come off and the two members are not divided. On the other hand, the grips 2 and 2'having a convex shape provided at the end of each member are easily divided by pulling the grips 2 and 2 to the left and right. It slips onto a piece of rice, etc. without losing its shape.

Further, as a material for forming the food saucer A, the surface thereof has a smoothness such as polypropylene, polyethylene, etc., and has a thickness of 0.2 to 0 so that the placed organism ingredient 20 can easily slip. 0.8 mm, preferably 0.3-0.
It is preferable to use a relatively thin sheet material having a thickness of about 5 mm. With the above-described shapes and materials, the dish of the beautifully-prepared biological ingredient 20 placed on the food saucer A as shown in FIG. 2 spoils the design of the dish with one touch. Without being slid onto the rice or the like in the lower body container, it is beautifully served on the rice 10 in the container body B. The food tray A of the present invention having the above-mentioned configuration is preferably used in combination with a container body B and a lid C as described below, but they can also be used alone. For example, in a platter of sashimi in trays provided in shops and the like, when the food saucer A of the present invention is used between the tray and the sashimi, when the sashimi is transferred to a plate made of ceramics or the like at home In addition, it can be easily transferred to another plate with one touch without compromising the beautifully arranged state at the time of sale.

In the food container of the present invention, since the container body B keeps warm things and the lid body C keeps things that need refrigeration, some heat insulating layer is provided between them. There is a need. Therefore, as shown in FIG.
It is preferable to provide a heat-insulating middle plate D between the container body B and the lid body C, which is assembled on the upper part of the container body B without a gap. The inner plate D is preferably formed of a relatively thick foamed synthetic resin sheet having a thickness of 1.0 to 5.0 mm, more preferably 2.5 to 3.0 mm, for example, a material such as foamed polystyrene. Further, in order to prevent dew condensation due to steam generated from the warm rice etc. 10 contained in the container body B, it is preferable to provide a dew condensation preventing layer 3 on the back surface of the inner dish D. The dew condensation preventing layer 3 can be formed by laminating a woven fabric, a non-woven fabric, or a sheet made of a hygroscopic material, or by applying a dew condensation preventing paint or the like and drying it. However, the above-mentioned middle plate D is not always indispensable, and the above-mentioned food tray A has a thickness of 2.5 to
If it is formed of a heat insulating material such as expanded polystyrene having a thickness of about 3.0 mm, the front surface is made slippery, and the dew condensation preventing layer 3 is provided on the back surface, the food tray A also has the function of the inner plate D. Can be In addition, in the case of such a configuration, in the central portion of the food tray A, the portions that are intermeshed with each other, the warm air and steam generated from the warm food stored in the container body B are placed inside the lid C. It is necessary to have a closed structure that does not allow penetration.

The container body B and the lid C, which are other components of the food container of the present invention, are for keeping temperature, although there is a difference between a warm one and a cold one. It is preferably formed of a material having excellent heat insulation, heat resistance, and water resistance. Therefore, like the material for forming the inner plate D, the thickness is 1.0 to 5.0 mm, and more preferably 2.5 to
A relatively thick foamed synthetic resin of 3.0 mm, for example,
It is formed of a constituent material such as expanded polystyrene. Also, the lid C
As shown in FIG. 2, it is preferable to provide a cooling material 4 inside the container to keep the inside of the lid C in a cold state. Coolant 4
It is preferable to use a water-resistant bag made of a plastic sheet such as polyvinyl chloride and containing a cooling agent such as ice. Such a coolant can be easily attached to the inside of the lid C with an adhesive or a patch 5.
Incidentally, what is illustrated in the drawings as a food saucer of the present invention and a food container using the same is all circular, particularly bowl-shaped, but the present invention is limited to these shapes Instead, it may be a so-called "heavy weight" in the shape of a quadrangular prism, or may be a bento in the shape of a polygonal prism such as a hexagonal prism or an octagonal prism.

[0011]

EXAMPLES The present invention will be described in more detail with reference to Examples of the present invention. Example 1 First, a bowl-shaped container body B and a lid C as shown in FIG.
Are formed of expanded polystyrene sheets each having a thickness of about 3.0 mm. At this time, the container main body B has an inner diameter of 16 cm and a depth of 8 cm at the upper part of the main body B, and the lid C is so arranged that the outer periphery of the lid C covers the outside of the main body B and is firmly assembled. In addition, when the lid C is covered, a dome-shaped space having a height of about 5 cm is formed inside the lid C. Next, as shown in FIG. 2, the cooling material 4 is attached to the inside of the upper portion of the lid C with the adhesive 5. As the coolant 4, a small pouch made of vinyl chloride resin of about 3 × 5 cm filled with water is previously frozen and ice is used as the coolant. Next, a 2.5 mm thick expanded polystyrene sheet is formed into a disk-shaped middle dish D having an outer diameter of approximately 15 cm and a depth of approximately 10 mm. With such a shape, the inner plate D is fitted into the upper portion of the container body B without any gap. Next, the saucer A for food to be placed on the middle plate D as described above is set to a thickness of 0.5 m.
m polypropylene sheet. As shown in FIG. 4, the shape is composed of two members that are divided into left and right parts, which are bent at an angle of about 60 ° with respect to the plane of the plate, following the ends on the circumference of each member. Condition, length 4.5c
m, and handles 2 and 2'having a width of about 15 mm are provided. Furthermore,
On one member a'of the food tray A, two notches having a width of about 4 mm and a length of about 30 mm are provided at two positions, and the other member a not having the notches has an end portion having no handle portion,
Allow this notch to be inserted. When both are bite, a substantially circular saucer A having a diameter of about 14 cm is formed. The container body B, the lid C, the food tray A, and the inner tray D formed as described above were combined as shown in FIG. 1 to form the food container of the present invention.

Example 2 Using the food container of the present invention formed as described above, as shown in FIG. 2, about 250 g of rice at 80 to 90 ° C. is put into the container body B, and the container body B Insert the middle plate D into the upper part of the so as to cover it. Next, carry the food saucer A, which has been stored in the refrigerator in advance and has about 100 g of tuna sashimi in the shape of a rose flower, with its handle parts 2 and 2 ' Install on top of D. In addition, when storing in the refrigerator, if the middle dish D is placed in advance under the food tray A, and these are installed in the upper opening of the container body B in such a manner as to cover the middle dish D, Good workability and convenient. Finally, cover the container body B, the inner plate D, and the saucer A as described above with the lid C having the cooler material 5 attached with a sticker on the upper inside thereof, and cover the outer periphery of the container body B with the lid C. Fit. After maintaining for 1 hour 30 minutes to 2 hours in such a state, the internal state of the lid C was observed, and the temperature inside the upper lid C was kept at -2 to 3 degrees. The tuna sashimi in the shape of a rose flower on the food saucer A was kept cool. Storage in such a temperature range is called super chilling or partial freezing, and is said to be particularly suitable for keeping freshness of living things such as sashimi for a short period of time. Furthermore, regarding the internal states of the container body B and the inner plate D, the temperature of the rice became 40 to 45 ° C. after holding for 1 to 2 hours, and the rice was ready to be eaten. Further, there was no dew condensation on the back surface of the inner plate D, and the taste of the rice did not deteriorate due to dripping. The rose-shaped tuna sashimi on the saucer A for food is divided into left and right members by pulling the handles 2 and 2'of the saucer A with both hands after removing the lid C. The tuna bowl, which was slid down onto the rice in the container body B with one touch, was beautifully served and the appetizing "tuna bowl" was easily reproduced.

[0013]

EFFECTS OF THE INVENTION The food tray of the present invention as described above has a specific shape so that a beautifully arranged dish can be placed on warm rice or the like with one touch.
Further, according to the food container of the present invention and the food packaging method using the same, it is possible to store warm food and food that needs to be kept cold in one container and hold them for a certain period of time, so It is possible to take back food of the kind that could not be taken home.

[Brief description of drawings]

FIG. 1 is a divided schematic cross-sectional view of an entire food container of the present invention.

FIG. 2 is a cross-sectional view of a usage example of the food container of the present invention.

FIG. 3 is a perspective view of a usage example of the food container of the present invention.

FIG. 4 is a schematic view of a food tray according to the present invention.

FIG. 5 is a schematic view of another food tray according to the present invention.

FIG. 6 is a schematic view of another saucer for food according to the present invention.

[Explanation of symbols]

 A: Food saucer B: Container body C: Lid D: Medium plate a, a ': Member 1, 1': Edge 2, 2 ': Handle 3: Condensation prevention layer 4: Coolant 5: Adhesive 10: Rice 20: Biological ingredients

Claims (7)

[Claims] 1. A food container comprising a main body container and a lid, wherein an outer diameter of a middle plate combined with an upper portion of the main body container has a diameter substantially the same as an inner diameter of the main body container, and The left and right members made of a material whose surface is slippery
And has a handle portion at each of one end, and a handle portion
The other end, which has no
Characterized in that it is configured such that a food tray configured so as to form two surfaces is placed thereon , a lid is placed on the main body container from above, and the lid body and the main body container are engaged with each other. Food container. 2. The food container according to claim 1, wherein a dew condensation preventing layer is formed on the back surface of the inner plate. 3. The body container and lid have a thickness of 1.0 to 5.0.
The food container according to claim 1, wherein the food container is formed of a foam synthetic resin having a size of mm. 4. The food container according to claim 1, wherein a cooling material is provided on an inner upper portion of the lid body. 5. The food receptacle according to claim 1, wherein the tray is made of a synthetic resin sheet such as polypropylene or polyethylene having a thickness of 0.2 to 0.8 mm. 6. The food container according to claim 1, wherein the tray is made of a foamed synthetic resin having a thickness of 1.0 to 5.0 mm, and a dew condensation preventing layer is formed on the back surface. 7. The food container according to claim 1,
Put warm food in the main body container, put food that needs to be kept cold in the food tray placed on the middle plate that is combined with the upper part of the main body container, and cover with a cooling material on the inside upper part from above A method for packaging food, comprising covering the body and engaging the lid with the main body container.