JP2012086878A - Food packaging container - Google Patents

Abstract

In a food packaging container having a knob on a lid, the film prevents the film from being torn or cut by the knob when the film is wrapped outside.
An inclined surface portion 27 is provided at four corners of a container body 2 so as to be inclined downward from a shoulder portion 24 and connected to an outer wall 26, and a flange portion 34 is provided on the periphery of a lid 3 so as to project outward substantially horizontally. And the corner | angular part is made into the knob | pick piece 35, and when the cover body 3 is mounted | worn with the container main body 2 and it inserts with the film F, it is comprised so that the knob | pick piece 35 may be folded on the inclined surface part 27 with the film F.
[Selection] Figure 5

Description

  The present invention relates to a synthetic resin food packaging container that is displayed and sold at a food store in a convenience store or a supermarket, and is used for packaging lunch boxes, prepared dishes, and other various foods.

Lunch boxes sold at convenience stores, for example, look delicious by pulling out the sense of volume of the dishes and foods stored, depending on the type of food and the cooking method, such as Western-style side dishes such as steak and Chinese cuisine It is packaged using a container of appearance and form.
Among these, as shown in FIG. 6, as a container for packaging Japanese-style food such as a bento lunch box, the container body 100 includes a polypropylene inner container 101 on which rice and side dishes are served, and a bamboo knot on the surface. The outer frame 102 is made of a polystyrene outer frame 102 with a woodgrain pattern, and the peripheral edge portion 101a of the inner container 101 is engaged with a groove portion 102a formed on the inner peripheral surface of the outer frame 102. It is known that the container 101 is integrated, covered with a transparent lid 103, and the food stored in the container has an appearance such as that the food is stored in a wooden folded box or heavy box ( For example, see Patent Documents 1 and 2).

Utility Model Registration No. 3060611 JP 2005-263284 A

The container shown in the figure is formed by individually molding the inner container 101 and the outer frame 102 and integrating them, so that the manufacturing cost of the container is inevitably increased, and the inner container 101 and the outer frame 102 are integrated. The container body 100 that has been made into a small volume cannot be stacked when stored or transported. In addition, the material to be discarded after eating the lunch is bulky with the inner container 101, the outer frame 102 and the lid 103, which is not preferable from the viewpoint of reducing the amount of dust. When the container is recycled, the troublesome work of separating the inner container 101 and the outer frame 102 is required.
In addition, the lunch box using the container is covered with a lid 103 on a container main body 100 containing food and sealed with a wrap film or shrink film on the outside, and is displayed at the food department, as shown in FIG. As shown, when the cover body 103 is put on the container body 100, the knob 103a provided at the peripheral corner of the lid 103 protrudes outward from the upper surface of the outer frame 102, and the film is removed when the film is wound around the container. There is a problem that the handle 103a is easily broken by being caught by the handle 103a or being shrunk by covering the container with a shrink film and then handling the container.

  In view of such problems of the prior art, the present invention prevents a film from being torn or cut when a lid is attached to a container body and the film is wrapped with a shrink film or a wrap film. Another object of the present invention is to make the appearance of the container look good so that the food in the container looks delicious.

In order to solve the above-described problems, the present invention has a storage recess in an opening surface that is substantially square in a plan view, a shoulder that is bent outward is provided at the top of the storage recess, and an outer wall is connected to the end of the shoulder. In a food packaging container made of synthetic resin having a container body formed and a lid body that is attached to the shoulder and closes the opening surface of the container body,
An inclined surface portion that is inclined downward from the shoulder portion at the four corners of the container main body and continues to the outer wall,
Provided with a flange portion projecting substantially horizontally outward around the lid body and at least one corner of the four corners of the lid body as a pick piece,
When a lid is attached to the container main body in which the food is stored in the storage recess, and the container main body and the lid are wrapped with a film, the knob of the lid is folded on the inclined surface portion of the container main body together with the film. It is characterized by having such a structure.

According to this food packaging container, food is stored in the storage recess of the container body, the lid is covered with this, the inside of the container is sealed, and the outer wrapped wrap film or shrink film is wrapped and packaged food is displayed. Can be offered for sale.
When the lid is attached to the container body, the tab piece protrudes horizontally. However, the four corners of the container body where the knob piece is located are provided with inclined surfaces that are inclined downward. At this time, the knob piece bends and folds on the inclined surface part together with the film, so that the film is not hindered in the operation of wrapping with the film, such as being broken or cut by the knob piece, and the film As long as the handle is not removed, the pick piece remains broken, so that the pick piece does not penetrate the film during container handling.
Also, if the film is removed from the container, the bent piece of the lid that has been bent is elastically restored to the original position, and the lid can be easily removed from the container body by picking the horizontally protruding knob.
Further, when the container body is provided with the inclined surface portion, when the lid is attached to the container body, the knob piece extends horizontally on the inclined surface portion, and a gap is formed between which the finger is inserted between the inclined surface portion and the knob piece. It is not necessary to provide a long. The knobs may be provided in such a length that the knob protrudes outward from the container when the lid is attached to the container body, or may be provided at each corner of the flange part of the lid.
In addition, since the container body is an integrally molded product made of a single material, it can be stacked with a small volume when the container is stored or transported.

In the food packaging container having the above structure, it is preferable that the lid is formed by meshing at least the flange portion and the knob.
The mesh processing applied to the lid is, for example, a process in which fine concave portions are formed in a mesh shape such as a multi-point array or a lattice on the surface of the sheet constituting the lid, and the sheet can be made flexible by applying the mesh processing. Is granted.
If the knob piece is meshed, the knob piece can be bent smoothly, and even if the knob piece is folded on the inclined surface of the container body, Absent. By applying the mesh processing, it becomes easy to pick the tab. In addition, if the flange portion is meshed, the flange portion is bent along the adhesive tape that is polymerized when the lid attached to the container body is fastened with the adhesive tape, and is securely joined to the upper surface of the container body. In addition, even when an external force is applied to the flange portion when removing the adhesive tape, the flange portion does not break, and the adhesive tape can be removed smoothly.

In addition, in the food packaging container having the above configuration, the container body has a different color or pattern on the surface of the container body along the boundary between the shoulder portion and the outer wall in order to make the appearance of the container look good. It is preferable to form them.
Molding of the container made of synthetic resin was done by pasting the printed film on which the pattern attached to the container surface was printed and the raw material into a sheet, heating it with a molding die, deforming it, cooling and solidifying it. The container body is formed by a punching process from a sheet, and the container body uses a printing film having a different color and pattern along the boundary between the shoulder and the outer wall, and the pattern position of the printing film and the container mold of the molding die are used. It can shape | mold by positioning and position and thermoforming.
When the present invention is applied to a Japanese-style food lunch box, if the surface of the outer wall is provided with bamboo knots or grain-like patterns to form the container body, the food will be placed in a wooden folded box or heavy box. It will have the appearance as given.
In addition, the food packaging container having the above-described configuration can be configured such that the lower peripheral portion of the lid body is externally fitted into a recess provided in the shoulder portion of the container body.

  The food packaging container of the present invention can be formed by a thermoforming method such as compressed air or vacuum forming using an appropriate plastic such as stretched polystyrene, impact-resistant polystyrene, polypropylene, or polyethylene terephthalate. The lid is preferably molded using transparent polypropylene, biaxially stretched polystyrene, polyethylene terephthalate, or the like. It may be formed by any molding method using any other molding material.

It is an external appearance perspective view of the state which isolate | separated the container main body and cover body of the food packaging container of one Embodiment of this invention. It is a side view of the container main body of FIG. It is a principal part cutting end view of the container main body of FIG. 1, and the side edge part of a cover body. It is a cut end view of the corner portion of the container in a state where the container body is covered with a lid. It is a cut end view of the corner part of the container in the state where the film was wound around the outside of the container which covered the lid on the container body. It is the block diagram which fractured | ruptured and showed the container main body of the conventional food packaging container. (A) is an enlarged view of the corner part of the container of FIG. 6, (B) is a cut end surface along the BB line.

A preferred embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows the appearance of a food packaging container according to the present invention. As shown in the figure, the food packaging container 1 has an upper surface having an approximately rectangular opening surface, and food is stored in the opening surface. The container body 2 is provided with a storage recess 21 and the transparent lid 3 is attached to the top of the container body 2 to close the opening surface.

Specifically, as shown in FIGS. 1 to 3, the container body 2 is configured such that the inner wall 23 is raised from the periphery of the bottom portion 22 to an appropriate height to form a storage recess 21, and protrudes upward from the bottom portion 22. The storage recess 21 is partitioned into a plurality of storage areas by the partition 24 provided.
At the upper part of the storage recess 21, a bank portion 25 a that is bent substantially horizontally outward from the upper end of the inner wall 23 and is bent downward and a lid receiving surface portion 25 b that is bent substantially horizontally from the lower end of the bank portion 25 a. The outer wall 26 is suspended from the end of the shoulder 25 in a skirt shape, and the storage recess 21 is surrounded by the outer wall 26. A concave portion 25c into which a convex portion 33a provided at a lower end portion of the peripheral edge of the lid body 3 to be described later is fitted is formed at a boundary portion between the bank portion 25a of the shoulder portion 25 and the lid receiving surface portion 25b.
In the four corners of the container body 2, there are provided inclined surface portions 27 that are inclined downward from the shoulders 25 and continue to the outer wall 26, and the center of the four sides of the surface of the outer wall 26 and both sides of the four corners. A vertical rib 26a for reinforcement is provided at the position, and vertical bars (not shown) for reinforcement are also arranged between the vertical ribs 26a.
Further, the container body 2 is formed by changing the surface color and pattern along the boundary between the shoulder portion 25 and the outer wall 26, and the region of the storage recess 21 inside the shoulder portion 25 is colored, for example, red. The surface of the outer side wall 26 is decorated with a wood grain pattern.

The lid body 3 is provided with a stepped portion 33 that protrudes obliquely downward from the periphery of the top surface portion 31 that is rectangular in plan view, is bent substantially horizontally outward at the lower peripheral edge of the side surface portion 32, and the tip is bent downward. Further, a flange portion 34 is formed by being continuously provided at the lower end portion of the step portion 33 so as to be bent substantially horizontally outward and project.
In the periphery of the top surface portion 31, an upper convex portion 31a is projected along the contour thereof, and when the food packaging container 1 is stacked, the bottom portion 22 of the container body 2 of the upper container is the upper convex portion 31a. It is provided so as to prevent the displacement of the stacked containers engaged with each other.
Further, a projecting portion 33a projecting inward is formed at a boundary portion between the step portion 33 and the flange portion 34. When the lid body 3 is attached to the container main body 2, the shoulder portion of the container main body 2 is formed. 25, the flange portion 34 of the lid 3 is overlapped with the lid receiving surface portion 25b, and the convex portion 33a is fitted into the concave portion 25c of the shoulder portion 25 so that the lid 3 attached to the container body 2 is fixed. It is provided. In addition, even if the recessed part 25c provided in the container main body 2 and the convex part 33a provided in the lid 3 are continuously provided on the entire circumference of the shoulder part 25 and the step part 33, respectively, the center of the four sides, the four corners, etc. The position may be provided intermittently.
Further, the four corners of the flange portion 34 are formed as knobs 35 each having a peripheral edge in a curved shape, and fine concave portions are meshed in a portion extending from the flange portion 34 including each knob 35 to the step portion 33. The mesh processing arranged in the shape is given.

According to the food packaging container 1 formed in this way, the food is stored in the storage recess 21 of the container body 2, and as shown in FIG. By wrapping the food packaging container 1 with a film F such as a wrap film covered from the outside, the packaged food can be offered for display and sale.
Although the knob 35 of the lid 3 protrudes horizontally with the lid 3 attached to the container main body 2, an inclined surface portion 27 provided on the container main body 2 is provided below the knob 35. As shown in FIG. 4, when the film F is wrapped, the knob 35 is bent and folded on the inclined surface portion 27 together with the film F, and the film F is not caught by the knob 35 and is not torn or cut. In addition, since the knob 35 remains broken unless the film F is removed, the knob 35 does not penetrate the film F during container handling. If the film F is removed, the bent knob 35 is elastically deformed to its original position and protrudes horizontally, and the lid 3 can be easily removed from the container body 2 by picking it.
Moreover, since the surface of the outer wall 26 of the container body 2 has a wood-like pattern, the stored food has a taste that looks as if it is placed in a wooden folded box or heavy box, and is visually appealing. You can improve your power and make the food look delicious.

  In addition, the form of the illustrated food packaging container is an example, and the present invention is not limited to these forms, and can be provided in other appropriate forms according to the type and capacity of the food. The inside of the storage recess 21 can be partitioned by a partition 24 having an appropriate form, and the present invention can also be applied to a container without the partition 24. Moreover, according to the food to accommodate, the surface of the container main body 2 can be decorated with a suitable color and pattern.

DESCRIPTION OF SYMBOLS 1 Food packaging container, 2 Container main body, 21 Storage recessed part, 22 Bottom part, 23 Inner side wall, 24 Partition, 25 Shoulder part, 26 Outer side wall, 27 Inclined surface part, 3 Lid body, 31 Top surface part, 32 Side part, 33 Step part , 34 flange, 35 knob

Claims (5)

A container body having a storage recess in an opening surface having a substantially square shape in plan view, a shoulder portion bent outwardly at an upper portion of the storage recess, and an outer wall connected to an end of the shoulder; and the shoulder In a food packaging container made of a synthetic resin having a lid that closes the opening surface of the container body and is attached to the part,
An inclined surface portion that is inclined downward from the shoulder portion at the four corners of the container main body and continues to the outer wall,
Provided with a flange portion projecting substantially horizontally outward around the lid body and at least one corner of the four corners of the lid body as a pick piece,
When a lid is attached to the container main body in which food is stored in the storage recess, and the container main body and the lid are wrapped with a film, the knob of the lid is folded on the inclined surface portion of the container main body together with the film. A food packaging container having the structure as described above.   The food packaging container according to claim 1, wherein the lid is formed by meshing the flange portion and the knob.   The food packaging container according to claim 1 or 2, wherein the container body is formed with different colors or patterns on the surface of the container body along a boundary between the shoulder and the outer wall. .   The food packaging container according to any one of claims 1 to 3, wherein a surface of an outer wall of the container body is provided with a bamboo knot or a grain pattern.   The food packaging container according to any one of claims 1 to 4, wherein the lower peripheral portion of the lid body is externally fitted into a recess provided in a shoulder portion of the container body.

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