JP2021079983A - Packaging container - Google Patents

Abstract

To cause a lid to open by gradually lifting a lid body so that a container body does not rattle when disengaging a container body and a lid body.SOLUTION: A packaging container includes: a lid body which has an engaged part 33 engaging an engaging part provided for a container body; a tongue-like knob piece part 25 extended outside a container at a peripheral edge part of the container body; a tongue-like pressing piece part 35 which is extended outside the container at a peripheral edge part of the lid body and faces the knob piece part 25 in the state that the lid body is engaged with the container body; a first swelling part and a second swelling part 37 on the surface of the pressing piece part 35; and a first recessed part and a second recessed part 27 on the surface of the knob piece part 25. The engaged part 33 is provided with a bent part 33a bent so that curvature radius is smaller than other components in a planar view at a position almost at the same distance horizontally from the pressing piece part. While an end part of the second swelling part 37 slides on a bottom surface of the second recessed part 27, a part of engagement between the container body and the lid body is canceled, and an end part of the first swelling part slides on the bottom surface of the first recessed part and the remaining engagement is canceled.SELECTED DRAWING: Figure 10

Description

The present invention relates to a packaging container that makes it easy to open the lid from the container body.

Food products such as cooked rice, noodles, side dishes, sushi, fruits, and vegetables are displayed in containers made of resin sheets at retail stores. Many of such containers have a structure in which the lid is fitted to the container body so as not to come off easily.
In the container adopting the fitting structure, the lid body is hard to come off, but there is a problem that it is difficult to open the lid body when taking out the contents.

As a container for eliminating such difficulty in opening the lid, for example, Patent Document 1 below comprises a sheet-like molded body mainly composed of synthetic resin, which is bonded to each other to form a closed container. A first body and a second body are provided, and the first body and the second body are integrally provided with a first fitting portion and a second fitting portion to be joined to each other, and a first fitting portion. A triangular first fin portion and a second fin portion in a plan view are formed at corresponding positions of the outer peripheral flange portion, the second outer peripheral flange portion, and a part of the flange portion, and the first fin portion is formed. A flat plate-shaped first knob portion is formed, and a bulging portion that abuts on the first knob portion is provided on the second fin portion, and a second knob portion that jumps up in the direction opposite to the joining direction is formed. When the container is opened, the first knob and the second knob are pinched together, and the bulging portion lifts the end of the second knob in the direction opposite to the joining direction to form the first and second bodies. Disclosed is an easy-opening container characterized in that both fitting portions are separated from each other and the joining of both fitting portions is released via a first fin portion and a second fin portion having a triangular shape in a plan view. .. In this container, the first knob portion and the second knob portion are pinched so that the lid can be easily opened.

Further, in Patent Document 2 below, as a packaging container in which the lid is easily opened from the container body, the structure of the fitting portion for fitting the container body and the lid is at least inner fitting and outer fitting. In a packaging container having a structure provided with one of the containers, one of the container body or the lid is provided with a picking piece portion provided on the outside of the fitting portion and the picking piece portion is provided on the surface of the container body or the container body or the lid while facing the outside of the container. An inclined surface inclined so as to protrude to the other side of the lid, a pressing piece portion facing the picking piece portion in the closed state, and a pressing piece portion facing the other side of the container body or the lid are provided on the outer side of the container. It has a shape that bulges toward the picking piece, and the tip has a shape that bulges toward the picking piece side with an outer bulging part that can slide the inclined surface and the inside side of the container of the pressing piece, and in the closed state. A packaging container comprising an inner bulge with a tip that slidably contacts an inclined surface is disclosed. In this container, the picking piece and the pressing piece are pinched so that the lid can be easily opened.

Japanese Unexamined Patent Publication No. 2014-201353 Japanese Patent No. 5938505

Like the containers disclosed in Patent Documents 1 and 2, a container in which the first knob portion and the second knob portion (picking piece portion and pressing piece portion) can be pinched to open the lid can be easily opened. It can be done and is convenient.
However, since the mated state is immediately released, the lid opens vigorously, and the reaction may cause the container body to run wild and the contents to pop out.

Therefore, an object of the present invention is to provide a packaging container capable of gradually lifting the lid to open the lid so that the container body does not run wild when the mating state between the container body and the lid is released. There is.

One form of the packaging container of the present invention is a packaging container provided with a lid having a fitting portion to be fitted to the fitting portion provided in the container body, in which the fitting portion and the fitted portion are viewed in a plan view. It is formed to have a circular or elliptical shape, and a tongue-shaped picking piece extending to the outside of the container is provided on the peripheral edge of the container body, and the lid is extended to the outside of the container on the peripheral edge of the lid. A tongue-shaped pressing piece that faces the picking piece while being fitted to the container body is provided, and a first bulging portion that bulges toward the picking piece and a first bulge on the surface of the pressing piece. A second bulge that bulges toward the picking piece is provided at a position adjacent to the bulge so that the tip of the first bulge abuts on the bottom surface and slides on the surface of the picking piece. It is provided with a first recessed portion and a second recessed portion in which the tip portion of the second bulging portion abuts on the bottom surface and slides, and the fitted portion has a curvature more than other portions in a plan view. The bent portion bent so as to have a small radius is provided at a position approximately the same distance to the left and right from the pressing piece, and the edge portion between the picking piece and the pressing piece is pinched to form the second bulge. The tip of the container slides inside the container while sliding on the bottom surface of the second concave portion, and the fitting between the container body and the lid from the vicinity of the pressing piece to the bent portion is released, and the tip of the first bulge Is characterized in that it moves to the inside of the container while sliding on the bottom surface of the first recessed portion, and the remaining fitting between the container body and the lid is released.

In the packaging container of the above form, the tip of the second bulge slides on the bottom surface of the second recess and moves to the inside of the container, so that the lid is bent with the line connecting the bent portions as a bending line, and the container body is bent. After releasing a part of the fitting between the container and the lid, the tip of the first bulge moves to the inside of the container while sliding on the bottom surface of the first recess, so that the entire fitting state with the container body can be obtained. It will be released. In other words, since the mating state can be released in two steps, the mating state between the container body and the lid is not immediately released, but is gradually released, so that the container body can be opened without violence. be able to.

In the packaging container of the above-described form, a flat main body flange portion that projects to the outside of the container is provided on the peripheral edge of the container main body, and a picking piece portion that extends a part of the main body flange portion to the outside of the container is provided there. It is provided with a first recessed portion and a second recessed portion, and a lid flange portion that projects to the outside of the container and rests on the main body flange portion in a state where the lid is fitted to the container main body is provided on the peripheral edge of the lid. It is preferable to provide a pressing piece portion in which a part of the flange portion is extended to the outside of the container, and to provide a first bulging portion and a second bulging portion therein.
By providing the tongue piece-shaped picking piece portion and the pressing piece portion in which the main body flange portion and the lid flange portion are extended to the outside of the container in this way, it becomes easier to pinch and open the lid.

In the packaging container of the above-described form, it is preferable to arrange the second bulging portions symmetrically on both sides of the first bulging portion.
By providing the second bulging portions on both sides of the first bulging portion in this way, the pressing piece portion is stably supported, so that the pressing piece portion and the edge portion of the picking piece portion can be easily pinched. The bulge can be easily slid in the recess.

In the packaging container of the above-described form, the shape of the bottom surface of the first recessed portion and the second recessed portion is a descending slope portion that descends from the outside of the container toward the inside, and an ascending portion that is continuous from the bottom portion and rises from the outside of the container to the inside. It is preferable to have a shape having a slope portion.
By providing the descending slope portion and the ascending slope portion in the first recessed portion and the second recessed portion in this way, the tip portions of the first bulging portion and the second bulging portion become slippery, and the lid opening work can be performed. It will be easier to do.

In the packaging container of the above form, it is preferable to provide the second bulging portion at a position inside the container rather than the first bulging portion.
By providing the second bulging portion inside the container in this way, it becomes easy to first release the fitted state between the container body and the lid to the bent portion, and then the fitted state between the container body and the lid. Since all of the above can be released, the mated state can be gradually released, and the container body can be made less likely to run wild.

In the packaging container of the above form, it is preferable that the first recessed portion and the second recessed portion have substantially the same depth, and the first bulging portion has a protruding width that protrudes from the second bulging portion.
In this way, by setting the first bulging portion to have a protruding width that protrudes from the second bulging portion, the lid body is first slightly lifted by the second bulging portion when the fitting state of the lid is released. A part of the fitted state can be released, and then the lid body can be lifted greatly at the first bulging portion to release the entire fitted state and the lid can be easily opened.

In the packaging container of the above form, it is preferable to provide the bent portions at opposite positions. By doing so, when opening the lid, about half of the lid is opened first, then the other half is opened and the whole is opened, and the lid can be opened with equal force. Lid work becomes easier.

It is a perspective view in the closed state which showed the packaging container of one Embodiment of this invention. It is a perspective view of the container body in the packaging container of FIG. It is a top view of the container body in the packaging container of FIG. It is a perspective view of the lid body in the packaging container of FIG. It is a top view of the lid body in the packaging container of FIG. It is a side view of the packaging container of FIG. 1 in a closed state. In the packaging container of FIG. 1, it is a partially enlarged perspective view of the vicinity of a picked piece portion of the container body. In the packaging container of FIG. 1, it is a partially enlarged perspective view of the vicinity of the pressed piece of the lid. In the packaging container of FIG. 1, the vicinity of the second bulging portion and the second recessed portion is shown, and is a diagram for explaining the lid opening operation. In the packaging container of FIG. 1, the vicinity of the first bulging portion and the first recessed portion is shown, and is a diagram for explaining the lid opening operation.

Hereinafter, an embodiment of the packaging container of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 to 6, the packaging container 1 according to the embodiment of the present invention includes a container body 2 and a lid 3, and the lid 3 is fitted to the container body 2 to fit the container body 2. The opening 2a can be covered.
The packaging container 1 can contain, for example, foodstuffs and the like as inclusions. Food items include cooked rice such as white rice, red rice, sushi, and fried rice, fried noodles, noodles such as roasted noodles, side dishes such as fried chicken, croquette, and potato salad, fruits such as orange, grapefruit, and pineapple, cabbage, and lettuce. , Carrots, and other cut vegetables, miso soup, soups, and other soups.

The container body 2 and the lid 3 are not particularly limited, but can be manufactured by thermoforming a synthetic resin sheet. The synthetic resin sheet may be either a non-foamed resin sheet or a foamed resin sheet.
In the case of a non-foamed resin sheet, it is preferable to use a sheet having a thickness in the range of 0.1 mm to 1.0 mm, particularly in the range of 0.2 mm to 0.8 mm, and in the case of a foamed resin sheet, the thickness is in the range of 0.1 mm to 1.0 mm. It is preferable to use a sheet in the range of 0.3 mm to 3.0 mm, particularly in the range of 0.5 mm to 2.0 mm. Further, in the case of a foamed resin sheet, the foaming ratio is preferably 1.05 times to 20.0 times, particularly 1.5 times to 15.0 times.

Examples of the non-foamed resin sheet include polyolefin resin sheets such as polyethylene resin sheets and polypropylene resin sheets, polystyrene resin sheets, polyethylene terephthalate resin sheets, and polyesters such as modified polyethylene terephthalate resin sheets imparted with heat resistance. A thermoplastic resin sheet of the based resin sheet can be used. Further, those that can withstand the heating of a microwave oven, for example, a heat-resistant polystyrene-based resin sheet, a polypropylene-based resin sheet, or a modified polyethylene terephthalate-based resin sheet imparted with heat resistance may be used.

As the foamed resin sheet, for example, a foamed polyester resin sheet such as a foamed polyolefin resin sheet, a foamed polystyrene resin sheet, or a foamed polyethylene terephthalate can be used.
A laminated sheet in which a synthetic resin sheet is laminated can also be used, and the laminated sheet is, for example, a non-foamed resin sheet or a laminated sheet in which a resin film is heat-laminated on a foamed resin sheet, a laminated sheet by a coextrusion method, or an extrusion lamination method. Laminated sheets and the like can be mentioned.

Examples of the thermoforming include vacuum forming, compressed air forming, vacuum compressed air forming, and hot plate forming.
The container body 2 and the lid 3 may be colored such as black or white, but are preferably transparent or translucent so that the inside can be visually recognized. Further, the surfaces of the container body 2 and the lid 3 may be printed or engraved with characters, patterns, etc., or ribs for reinforcement may be provided.

As shown in FIG. 2 or 3, the container body 2 has a deformed inverted truncated cone-shaped shallow bowl shape, and the peripheral wall portion 22 that rises from the circular flat bottom surface portion 21 and its peripheral portion while expanding in an inclined manner. The portion surrounded by the upper edge portion 22a of the peripheral wall portion 22 is defined as the opening 2a. The opening 2a has a deformed circular shape.
A fitting portion 23 into which the lid 3 can be fitted is formed in the vicinity of the upper edge portion 22a of the peripheral wall portion 22.
As shown in FIG. 9, the fitting portion 23 is formed so as to be recessed from the inside to the outside of the main body and narrowed from the lower side (bottom surface portion 21 side) to the upper side (opening 2a side), and the container main body 2 is formed. It is provided all around.
The fitting portion 23 has a shape that exhibits a deformed circular shape along the opening 2a in a plan view. As shown in FIG. 3, the fitting portion 23 is provided with two bent portions 23a that are bent so that the radius of curvature is smaller than that of other portions in a plan view at two positions facing each other. It is preferable that the bent portion 23a is provided at a position substantially equal to each other along the peripheral edge portion of the container body 2 from the picking piece portion 25 described later. It is provided at a distance.

The upper edge portion 22a of the peripheral wall portion 22 is provided with a flat main body flange portion 24 that projects outward with a predetermined width over the entire circumference. A tongue piece-shaped picking piece portion 25 formed by extending to the outside of the main body is provided at a part of the main body flange portion 24.
As shown in FIG. 7, the picking piece portion 25 has a triangular shape in a plan view, and is provided with a first recessed portion 26 and a second recessed portion 27 formed by being recessed on the surface thereof. The second recessed portion 27 is provided at two locations, is provided on both sides of the first recessed portion 26, and is arranged symmetrically.

The first recessed portion 26 is formed in a concave shape extending in the inside / outside direction of the main body, and the outside of the main body of the bottom surface thereof is a first descending slope portion 26a of an inclined surface that descends inward from the outside of the main body, and the inside of the main body of the bottom surface thereof. As the first ascending slope portion 26b of the inclined surface that rises from the outside to the inside of the main body, the first descending slope portion 26a is smooth at the lowest points of the first ascending slope portion 26b and the first descending slope portion 26a. To be connected to.

The second recessed portion 27 is formed in a hemispherical concave shape, and the outside of the main body of the bottom surface thereof is a second descending slope portion 27a of an inclined surface that descends from the outside of the main body to the inside, and the inside of the main body of the bottom surface thereof is the main body. It is a second rising slope portion 27b of an inclined surface that rises from the outside to the inside, and the second descending slope portion 27a is smoothly connected to the second rising slope portion 27b at the bottommost portion.
The first recessed portion 26 and the second recessed portion 27 are preferably arranged at substantially the same depth, and the second recessed portion 27 is preferably arranged at a position inside the container rather than the first recessed portion 26.

A stepped skirt portion 28 that expands downward is provided on the outer edge portion of the main body flange portion 24 to reinforce the container main body 2.

As shown in FIG. 4 or 5, the lid 3 has a circular flat plate shape, and is fitted into the fitting portion 23 of the container body 2 so as to cover the opening 2a of the container body 2. ..
The lid 3 includes a top surface portion 31 having a circular flat surface in a plan view, a vertical surface portion 32 rising vertically from the peripheral edge portion thereof, and a lid flange portion 34 projecting from the upper edge portion 32a of the vertical surface portion 32 to the outside of the lid body. Is prepared.

The vertical surface portion 32 is provided with a fitted portion 33 that fits into the fitting portion 23 of the container body 2. As shown in FIG. 9, the fitted portion 33 is formed in a ridge shape protruding outward from the inside of the lid body, and is provided over the entire circumference of the lid body 3. The fitted portion 33 fits into the fitting portion 23, and the lid 3 can be fitted to the container body 2. Further, the fitted portion 33 has a shape that exhibits a deformed circular shape in a plan view in accordance with the fitting portion 23.
The fitted portion 33 is provided with two bent portions 33a that are bent so that the radius of curvature is smaller than that of other portions in a plan view at two positions facing each other. That is, as shown in FIG. 5, the bent portion 33a is formed by bending more steeply than the peripheral portion of the lid 3. The alternate long and short dash line X in FIG. 5 is a virtual line extending the peripheral edge of the lid 3. The bent portion 33a is provided at a position where it fits into the bent portion 23a of the container body 2, and it is preferable that the bent portion 33a is provided at a position substantially equal to each other along the peripheral edge portion of the lid 3 from the pressing piece portion 35 described later. The bent portion 33a is a portion where the load is concentrated and easily deformed when the lid is opened, and the line connecting the two bent portions 33a is used as a bending line, and the lid 3 is valleyed. It is provided to bend in a folded shape.
The fitted portion 33 and the fitting portion 23 have a shape that exhibits a circular shape in a plan view in the present embodiment, but are not limited to this, and include a curved line in a plan view such as a circular shape in a plan view or an ellipse. It can be made into a configuration shape, and includes an elliptical shape in a plan view.

The lid flange portion 34 has a flat shape that projects to the outside of the lid with a predetermined width, and is provided over the entire circumference of the lid 3. The lid flange portion 34 is placed on the surface of the main body flange portion 24 in a state where the lid body 3 is fitted to the container main body 2. A tongue piece-shaped pressing piece 35 formed by extending to the outside of the lid is provided at a part of the lid flange portion 34.

As shown in FIG. 8, the pressing piece portion 35 has a triangular shape in a plan view, and faces the picking piece portion 25 in a state where the lid 3 is fitted to the container body 2. A first bulging portion 36 and a second bulging portion 37 that bulge downward are provided on the surface of the pressing piece portion 35. The second bulging portion 37 is provided at two places, is provided on both sides of the first bulging portion 36, and is arranged symmetrically. With the lid 3 fitted to the container body 2, the tip (lower end) of the first bulge 36 fits into the first recess 26, and the tip (lower end) of the second bulge 37. Is designed to fit in the second recess 27.

The first bulging portion 36 is formed by bulging in a substantially rectangular parallelepiped shape extending in and out of the lid, and as shown in FIG. 11 or 12, the tip portion (lower end portion) of the first recessed portion 26 is formed. The first descending slope portion 26a and the first ascending slope portion 26b are slid.
The second bulging portion 37 is formed by bulging downward, and as shown in FIG. 9 or 10, the tip portion (lower end portion) is the first descending slope portion 27a and the second lowering slope portion 27a of the second recessed portion 27. The ascending slope portion 27b is slid.
In the present embodiment, the second bulging portion 37 and the first bulging portion 36 are formed so as to be connected to each other so as to exhibit a character shape in a plan view as a whole. It is preferable to arrange the second bulging portion 37 at a position inside the container rather than the first bulging portion 36, and it is preferable that the first bulging portion 36 has a protruding width that protrudes from the second bulging portion 37. preferable.

As shown in FIG. 5, the vicinity of the boundary between the pressing piece portion 35 and the lid flange portion 34 is an uneven surface 38 composed of a large number of minute irregularities provided by embossing the surface. By providing the uneven surface 38, this portion of the lid flange portion 34 is easily deformed, and is easily bent during the lid opening operation.

To close the container body 2 with the lid 3, for example, the opening of the container body 2 is covered with the lid 3 and slightly pressed from above to fit the fitted portion 33 into the fitting portion 23. Can be made to. At this time, the tip of the second bulging portion 37 abuts on the upper position of the second descending slope portion 27a of the second recessed portion 27, and as shown in FIG. 6, the pressing piece portion 34 is obliquely upward (about 30). ° ~ 45 °).

To open the lid 3 from the container body 2, for example, the index finger is hung on the edge of the picking piece 25, the thumb is hung on the edge of the pressing piece 35, and the lid is picked up with the picking piece 25. By bringing the pressing piece portion 35 close to each other, the fitting between the container body 2 and the lid 3 can be released.
More specifically, by bringing the picking piece portion 25 and the pressing piece portion 35 close to each other, first, as shown in FIG. 9, the tip portion (lower end portion) of the second bulging portion 37 becomes the second recessed portion 27. It slides down the second descending slope portion 27a, passes through the bottommost portion, and ascends the second ascending slope portion 27b. At this time, as shown in FIG. 10, the fitted portion 33 is lifted upward while being pushed inside the container, the load is concentrated on the bent portion 33a, this portion is deformed, and the lid 3 is bent in two ways. The line connecting the portions 33a is used as a bending line and is bent in a valley fold shape. Therefore, the pressed piece 25 side of the lid 3 is lifted, and a part of the fitting between the fitting portion 23 and the fitted portion 33 is released.

At the same time as or slightly after this operation, as shown in FIG. 11, the tip portion (lower end portion) of the first bulging portion 36 slides down the first descending slope portion 26a of the first recessed portion 26 and passes through the bottommost portion. The first ascending slope portion 26b is ascended. As shown in FIG. 12, the fitted portion 33 is pushed inside the container, separated from the fitting portion 23, and lifted upward to release the entire fitted state, and the lid can be opened.

As described above, in the opening operation of the packaging container 1, the fitting state of the fitting portion 23 and the fitted portion 33 is first bent from the pressing piece portion by the second bulging portion 37 and the second recessed portion 27. Partially released up to the part to release the first stage of fitting. Next, the first bulging portion 36 and the first recessed portion 26 release all of the fitted states of the fitting portion 23 and the fitted portion 33, release the fitting in the second stage, and open the lid. Can be made to.
The packaging container 1 is fitted so that the lid 3 is lifted in two steps by the first bulging portion 36 and the second bulging portion 37, and the lid 3 is bent in a valley fold at the bent portion 33a to be opened. The case is released so that the lid 3 can be gradually lifted to open the lid. Therefore, the lid of the container body 2 can be opened without violence, and the contents of the container body 2 do not pop out when the lid is opened. Further, the release of the fitting in the first stage can be adjusted by the position where the bent portion 33a is provided. Therefore, it is not necessary to significantly change the shape of the fitted portion 33 from the conventional shape, and it is possible to realize the release of the first stage of fitting (the range in which the lid is opened in the first stage).

In the packaging container 1, the second bulging portions 37 are arranged symmetrically so that the pressing piece portion 35 is supported by the first bulging portion 36 and the second bulging portion 37 and is pressed stably. Can be done. Further, by arranging the second bulging portion 37 at a position inside the container with respect to the first bulging portion 36, it is possible to facilitate the release of the fitting in the first stage.

If the first bulging portion 36 has a protruding width that protrudes from the second bulging portion 37, the packaging container 1 can be opened because the lid 3 can be lifted higher by releasing the fitting in the second stage. Lid work becomes easier.

If the bent portions 33a are provided at opposite positions, about half of the fitting portion of the lid 3 is released in the first stage of releasing the fitting, and the other half of the fitting portion is released in the second stage. Since it is released, it becomes easier to open the lid.

The packaging container 1 of the above-described form has a so-called internal fitting structure in which the fitted portion 33 fits inside the container of the fitting portion 23, but the fitted portion 33 fits inside the container of the fitting portion 23. A so-called outer fitting structure, an inner / outer fitting structure in which the fitted portion 23 is fitted on both sides of the fitting portion 23, or the like may be used.

The configuration of the above embodiment is not mentioned as limiting the present invention, and can be changed as long as the technical object is common, and the present invention includes such a change.

1 Packaging container 2 Container body 21 Bottom part 22 Peripheral wall part 22a Upper edge part 23 Fitting part 24 Flange part 25 Picking piece part 26 First concave part 26a First descending slope part 26b First rising slope part 27 Second concave part 27a Second descending slope 27b Second ascending slope 28 Skirt 3 Lid 31 Top surface 32 Vertical surface 32a Upper edge 33 Fitted part 34 Flange part 35 Pushing piece part 36 First bulging part 37 Second bulging part Exit 38 Concavo-convex surface

Claims (7)

In a packaging container provided with a lid having a fitting portion to be fitted to the fitting portion provided on the container body.
The fitting portion and the fitting portion are formed so as to have a circular or elliptical shape in a plan view.
A tongue piece-shaped picking piece extending to the outside of the container is provided on the peripheral edge of the container body.
A tongue piece-shaped pressing piece that extends to the outside of the container and faces the picking piece while the lid is fitted to the container body is provided on the peripheral edge of the lid.
A first bulging portion that bulges toward the picking piece portion and a second bulging portion that bulges toward the picking piece portion are provided on the surface of the pressing piece portion at a position adjacent to the first bulging portion. ,
On the surface of the picked piece, the first recessed portion where the tip of the first bulge touches the bottom surface and slides, and the tip of the second bulge touches the bottom surface and slides. With a second recess,
The fitted portion is provided with a bent portion bent so that the radius of curvature is smaller than that of other parts in a plan view at a position approximately the same distance to the left and right from the pressed piece.
By pinching the edges of the picking piece and the pressing piece, the tip of the second bulge moves to the inside of the container while sliding on the bottom surface of the second recess, and the container body and the lid are pressed. The fitting from the vicinity of one part to the bent part is released, and the tip of the first bulging part slides inside the container while sliding on the bottom surface of the first recessed part, and the remaining fitting between the container body and the lid body. A packaging container with a structure that can be released. A flat main body flange portion is provided on the peripheral edge of the container main body, and a picking piece portion in which a part of the main body flange portion is extended to the outer side of the container is provided, and a first concave portion and a second concave portion are provided therein. With a part
A lid flange portion is provided on the peripheral edge of the lid so as to project to the outside of the container and rest on the flange of the main body with the lid fitted to the container body, and a part of the flange of the lid is extended to the outside of the container. A push piece is provided, and a first bulge and a second bulge are provided therein.
The packaging container according to claim 1. The packaging container according to claim 1 or 2, wherein the second bulging portions are symmetrically arranged on both sides of the first bulging portion. The shape of the bottom surface of the first recessed portion and the second recessed portion has a descending slope portion that descends from the outside to the inside of the container and an ascending slope portion that is connected at the bottom of the container and rises from the outside to the inside of the container. The packaging container according to any one of claims 1 to 3. The packaging container according to any one of claims 1 to 4, wherein the second bulging portion is arranged at a position inside the container with respect to the first bulging portion. The packaging container according to any one of claims 1 to 5, wherein the first recessed portion and the second recessed portion have substantially the same depth, and the first bulging portion has a protruding width that protrudes from the second bulging portion. The packaging container according to any one of claims 1 to 6, wherein the bent portions are provided at opposite positions.

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