JP2001213420A - Packaging container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging container on which a condensation water from a cover is not stored on the upper edge of a container main body and which does not clamp a stored material between the peripheral edges of the container main body and the cover. SOLUTION: The packaging container is formed of the tray-shaped container main body 10 with a flange-shaped upper edge (a) and the cover 20 covering the container main body 10, and the flange-shaped upper edge (a) of the container main body 10 is provided with an oblique section 13 formed from the upper end of a side wall section 11 to the outer position to be higher toward the outer side, while the cover 20 is provided with a suspended side wall section 23, out of all wide walls, reaching the position of the oblique section 13 of the container main body 10 when the cover is fitted on, and the oblique section 13 of the container main body 10 is so constituted as to leave the width on the inner side of the suspended side wall section 23 of the cover 10 wider than the outside of the suspended side wall section 23 when the container main body 10 is fitted with the cover 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging container, and more particularly to a package suitable for sushi (sushi).

[0002]

2. Description of the Related Art Conventionally, as a packaging container for accommodating sushi to be displayed and sold or for taking out sushi to be taken out, a rising portion 51 on a side wall of a container body 50, a lid, The hanging portion 61 on the side wall of the body 60 was abutted and the peripheral portions of the body 60 were fitted together (see FIG. 4). Therefore, when the lid is closed to the container main body, there is a problem that dew condensation from the lid tends to accumulate on the upper edge portion 52 which is a peripheral edge of the container main body 50, and nigiri sushi is packed in the container main body as a storage item. In some cases, nigiri sushi is made by placing sushi N (for example, fish such as tuna) on sari R (rice rice). In many cases, sushi N is larger or longer than sari R. For this reason, in many cases, a part of the lid 6 protrudes from the reed R and is placed on the upper edge portion 52 of the container main body.
When 0 is placed, the sushi N is sandwiched between the periphery of the container body 50 and the periphery of the lid body 60, and the storage form as the container becomes very inconvenient and inconvenient, and it is easy to fall into storage failure. There was a problem.

The present invention has been completed as a result of intensive studies to provide a packaging container capable of solving the above-mentioned problems.

[0004]

According to the present invention, a packaging container according to the present invention comprises a tray-shaped container main body having a flange-shaped upper edge portion, and a lid covering the container main body. The flange-shaped upper edge portion of the container body is provided with an inclined portion that is higher at least to the outer side from the upper end of the side wall portion, while the lid body has the hanging side wall portion of the side wall at the time of fitting. It is formed so as to reach the oblique portion position of the main body, and when the container main body and the lid are fitted, the oblique portion of the container main body is inward of the hanging side wall of the lid, It is characterized in that it is configured to have a wider width than the outer side.

According to the packaging container of the first aspect, the inclined portion provided on the upper edge portion of the flange of the container body is raised at least from the upper end of the side wall toward the outer side toward the outer side, so that the container can be removed from the lid. The condensed water does not accumulate at the upper edge and is guided downward from the slanted portion, so that the condensed water can easily fall to the bottom side of the container body. According to the packaging container of the first aspect, the hanging side wall portion of the side wall of the lid is formed so as to reach the position of the oblique portion of the container body, but when the container body and the lid are fitted together. The slanted portion of the container body has a portion wider on the inner side than the hanging side wall than on the outer side. Even if it is large or long and protrudes from the house, it is possible to avoid pinching of the sushi noodles when the lid is put on by positioning it in the above-mentioned oblique part, and to improve the appearance of storage. You can do it.

The slanted portion of the container body has a width of 4 to 20 mm as described in claim 2, and a width inward of the hanging side wall portion of the lid is at least 2/20 of the entire width.
The characteristic of occupying 3 makes it easier to achieve the above-described effect of lowering the condensed water and the effect of preventing pinching of sushi noodles. Further, according to the present invention, as described in claim 3, the flange-shaped upper edge portion of the container main body is sequentially formed from the upper end of the side wall portion of the container main body, the first curved portion, the inclined portion, the second curved portion, and the hanging peripheral edge portion. And the extension portion is extended, while the lid body, in order from the end of the upper surface portion, curved side wall portion, hanging side wall portion,
The horizontal part, the curved peripheral part, the hanging peripheral part and the extension piece are extended, and the horizontal part, the curved peripheral part, the hanging peripheral part and the extending part of the lid are the second curved part, the hanging peripheral part and the extending part of the container body. The cover is easily fitted by fitting the cover to the flange-shaped upper edge of the container body, and the cover is removed when the cover is opened. Is also easy to do.

Further, in the present invention, the hanging side wall portion of the side wall of the lid has an inclination angle of 70 ° to 90 ° on the inner side of the container with respect to the horizontal portion. The curved side wall portion of the side wall is characterized by having a curved surface bulging outward, and has a stable inclination angle as a hanging side wall portion of the lid, and the curved side wall portion bulging outward. Thus, a stable lid can be formed even in a continuous form. Further, in the present invention, as described in claim 5, the inward protruding portion is formed near the lower end of the drooping peripheral portion of the lid body. The lid closing action can be performed with good elasticity, and once fitted, the lid can be reliably maintained without releasing the lid in a deliberate manner unless a lid opening force is applied.

Further, as for the material of the container body and the lid, as described in claim 6, the container body is made of a thermoplastic resin foam sheet or a thermoplastic resin foam sheet having at least one layer of a thermoplastic resin film laminated thereon. When the cover is a molded product of a sheet, and the lid is a molded product of a thermoplastic resin non-foamed sheet, the container can be provided with heat insulation and cushioning properties, and the lid can be transparently implemented. In addition, it is possible to make the stored articles easy to see through to make the stored articles stand out. In addition, the packaging container is recyclable as a whole.

[0009]

Next, an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the cover in an open state, and FIG. 3 shows the cover in a closed state, showing a case where nigiri sushi is stored as a storage item. In the drawing, 10 is a container body, 20 is a lid, and the form will be described in sequence. The container body 10 has a flange-shaped upper edge portion a, and Part 1
1, a first curved portion 12, an inclined portion 13 which is raised toward the outside, a second curved portion 14, a hanging peripheral portion 15, and an extended portion 16 which is curved outward are sequentially extended from the upper end of the first curved portion 12. ing. The lid 20 has a curved side wall portion 22, a hanging side wall portion 23, a horizontal portion 24, a curved peripheral portion 25, sequentially from the end of the upper surface portion 21.
A hanging peripheral portion 26 and an extending portion 27 that is warped outward are provided.

The relationship between the slanted portion 13 of the container body 10 when the container body 10 and the lid 20 are fitted and the hanging side wall 23 of the side wall of the lid 20 will be described. The oblique portion 13 is formed so as to reach the position of the oblique portion 13, and the oblique portion 13 can lower the dew condensation water from the lid 20 and prevent the dew condensation water from accumulating at the upper edge portion a. At the time of the fitting, the oblique portion 13 of the container body 10 is
It is configured such that a wider width remains on the inner side than the hanging side wall portion 23 of the No. 0 than on the outer side of the hanging side wall portion 23.

Therefore, in the wide portion, for example, when the accommodating material is nigiri sushi, the sushi N
To prevent the sushi material N from being caught between the container body 10 and the lid 20. The width of the inclined portion 13 is practically different depending on the size of the entire container, but is usually about 4 to 20 mm, and the width of the hanging side wall 2
It is preferable that the width b (see FIG. 3) on the inner side than 3 occupies at least ／ of the entire width from the viewpoint of the above-mentioned use.

The hanging side wall 2 of the side wall of the lid 10
3 indicates that the inclination angle α on the inner side of the container with respect to the horizontal portion 24 is 7
0 ° to 90 °, preferably 80 °, and the curved side wall portion 22 of the side wall has a curved surface that bulges outward. In addition, the lid 20 that is covered over the container body 10 and closed is morphologically stable. Reference numeral 17 denotes a circumferential groove formed between the periphery of the bottom portion 19 of the container body 10 and the side wall portion 11 so that the dew condensation water and the like falling down the inclined portion 13 can be stored without diffusing. is there.

Further, in the figure, reference numeral 28 denotes a convex portion formed on the upper surface 21 of the lid 20, and the concave portion 18 formed on the back side of the bottom surface 19 of the container body 10 is fitted for stacking. . The small protrusion 30 formed on the lid 20 is
The lids 20 are formed at slightly different positions so as to avoid overlapping at the time of stacking 0. In the figure, reference numeral 29 denotes a protruding portion formed near the lower end of the hanging peripheral portion 23 of the lid 20. The protruding portion 29 engages with the extension 16 at the tip of the upper edge a of the container body 10, and the lid 20 opens unnecessarily. I do not cover it.

The material of the container body 10 and the lid 20 will be described. The container body is a molded article of a thermoplastic resin foam sheet or a thermoplastic resin foam sheet in which at least one thermoplastic resin film is laminated. ,
In addition, the lid is characterized by being a molded article of a thermoplastic resin non-foamed sheet. More specifically, for example, the container body 10 is a polystyrene-based resin foamed sheet, and a film is laminated thereon. In this case, the film is preferably made of a polystyrene resin, and the cover 20 is preferably made of a non-foamed sheet of a polystyrene resin, and is preferably transparent. Both the container body 10 and the lid 20 are recyclable.

The packaging container according to the present invention is suitable for storing chirashi sushi, sashimi and the like in addition to the above-mentioned nigiri sushi.

[0016]

According to the present invention, when the container body and the lid are fitted together, the sushi noodles protruding from the shari, but from the slanted portion at the flange-shaped upper edge of the container body and from the hanging side wall of the lid. Since it fits in the inner space, it is difficult to sandwich sushi nata. Since the oblique portion at the flange-like upper edge of the container main body is inclined higher toward the outside and inclined toward the inside of the container, dew condensation water such as the lid travels along the curved side wall and the hanging side wall of the lid. ,
By falling on the oblique portion of the flange-like upper edge portion and thereafter collecting on the bottom portion of the container main body (a groove provided on the outer periphery of the bottom portion), it is possible to prevent accumulation on the upper edge portion of the container main body.

[Brief description of the drawings]

FIG. 1 is a perspective view of an open state.

FIG. 2 is a partial cross-sectional view of a state where a lid is opened.

FIG. 3 is a partial cross-sectional view in a closed state.

FIG. 4 is a sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Container main body a Flange-shaped upper edge part 11 Side wall part 12 First curved part 13 Slant part 14 Second curved part 15 Hanging peripheral part 16 Extension part 17 Peripheral groove 18 Concave surface part 19 Bottom part b Inner width than hanging side wall 20 Lid 21 Upper surface 22 Curved side wall 23 Hanging side wall α Inclination angle of hanging side wall 24 Horizontal part 25 Curved peripheral part 26 Hanging peripheral part 27 Extension part 28 Convex part 29 Projection part 30 Small Protrusion

Claims (6)

[Claims] 1. A container body having a tray-like shape having a flange-like upper edge portion, and a lid covering the container body, wherein the flange-like upper edge portion of the container body extends outward at least from an upper end of a side wall portion to an outer position. The lid body is formed so that the hanging side wall part of the side wall reaches the position of the slope part of the container main body at the time of fitting. A packaging container characterized in that, at the time of fitting, the slanted portion of the container body has a width wider on the inner side than the hanging side wall portion of the lid than on the outer side of the hanging side wall portion. 2. The container according to claim 1, wherein the width of the slant portion of the container body is 4 to 20 mm, and the width of the inner side of the hanging side wall of the lid occupies at least ２ of the entire width. The packaging container according to claim 1. 3. A flange-shaped upper edge portion of the container main body has a first curved portion, a slanted portion, a second curved portion, a hanging peripheral edge portion, and an extended portion extending sequentially from the upper end of the side wall portion of the container main body. , The other lid body is provided with a curved side wall portion, a hanging side wall portion, a horizontal portion, a curved peripheral portion, a hanging peripheral portion and an extension piece sequentially extending from an end of the upper surface portion, and a horizontal portion of the lid body, a curved peripheral portion 3. The packaging container according to claim 1, wherein the hanging peripheral edge portion and the extension portion cover and fit the second curved portion, the hanging peripheral edge portion and the extension portion of the container body. 4. The hanging side wall portion of the side wall of the lid has an inclination angle of 70 ° to 90 ° on the inner side of the container with respect to the horizontal portion, and the curved side wall portion of the side wall bulges outward. 4. The packaging container according to claim 3, wherein the packaging container has a curved surface. 5. The packaging container according to claim 3, wherein an inwardly projecting portion is formed near a lower end of the hanging peripheral portion of the lid. 6. A molded article of a thermoplastic resin foam sheet or a thermoplastic resin foam sheet in which at least one layer of a thermoplastic resin film is laminated thereon, and a lid is formed of a thermoplastic resin non-foam sheet. The packaging container according to claim 1, wherein the packaging container is a product.