JP7604089B2 - Packaging containers - Google Patents

Description

Patent Act Article 30, paragraph 2 applied Reason for application: Disclosure of an invention related to a patent application Date of disclosure: August 28th to August 29th, 2018, September 4th to September 5th, 2018, September 12th to September 13th, 2018, September 26th, 2018 Location of disclosure: Rispack NEXT 2018 AUTUMN August 28th to August 29th, 2018: TRC Tokyo Distribution Center Hall A (6-1-1 Heiwajima, Ota-ku, Tokyo) September 4th to September 5th, 2018: Nagoya International Congress Center, Shiratori Hall (1-1 Atsutanishicho, Atsuta-ku, Nagoya) September 12th to September 13th, 2018: Osaka International Convention Center, 10th floor (5-3-51 Nakanoshima, Kita-ku, Osaka) September 26th, 2018: Okayama Convention Center, 3rd floor Convention Hall (14-1 Ekimotocho, Kita-ku, Okayama City) Published by: Rispack Co., Ltd.

This invention relates to a packaging container that includes a container body and an inner container.

Conventionally, packaging containers have been known in which an inner container containing food or the like is placed inside the container body, and these packaging containers are sold in stores with a lid on and a strip label wrapped around them. However, if the position of the inner container shifts when placing the inner container inside the container body or wrapping the strip label around it, there is a problem that the food or the like contained in the inner container is hidden by the strip label, making the contents look unattractive.

For example, the packaging container of Patent Document 1 includes a circular container body and an inner container stored in the container body, and a convex locking portion provided on the opening edge of the container body locks a concave locking portion provided on the flange of the inner container to fix the orientation of the inner container. Also, the packaging container of Patent Document 2 includes a circular container body and an inner container stored in the container body, and a roughly cylindrical locking portion provided in the center of the bottom surface of the container body locks a concave engagement portion of the inner container to position the inner container.

However, in the packaging container of Patent Document 1, the locking portion is provided on the opening edge of the container body, and the locked portion is provided on the outer periphery of the flange that extends horizontally of the inner container, so when the inner container is actually rotated on a horizontal plane, the locked portion of the inner container easily overcomes the locking portion of the container body and comes off, and rotation of the inner container cannot be prevented reliably. Furthermore, in the packaging container of Patent Document 2, although the inner container can be positioned so that it does not shift within the container body, the engagement portion is located at the center of the bottom surface of the inner container and is cylindrical, so the inner container rotates around the center of the bottom surface, and rotation of the inner container cannot be prevented reliably.

Utility Model Registration No. 3212312 Published in Japanese

In view of the above problems, the present invention provides a packaging container that can reliably prevent the inner container from rotating.

In order to solve the above problem, the packaging container of claim 1 of the present invention is a packaging container for storing a circular- shaped inner container in a circular container body with a partition that divides a space for accommodating contents, the packaging container is provided with an anti-rotation protrusion that protrudes from the bottom surface of the circular container body at a position away from the center of the bottom surface and abuts against the back side of the partition of the inner container to prevent the inner container from rotating, and a locking portion on the outer edge side of the inner container is placed on a part of the side wall of the container body, so that the inner container is stored in a state where a part of the bottom wall is floating above the bottom surface of the container body.

According to the above features, even if the inner container tries to rotate on a horizontal plane inside the circular container body, the anti-rotation protrusion located away from the center of the bottom surface abuts against the back side of the partition of the inner container, so that the inner container can be reliably prevented from rotating. Furthermore, since the anti-rotation protrusion is formed to protrude from the bottom surface, even if the inner container tries to rotate on a horizontal plane inside the container body, the partition is unlikely to overcome the anti-rotation protrusion, so that the inner container can be reliably prevented from rotating.

Furthermore, a packaging container according to claim 2 of the present invention is a packaging container for storing a circular -shaped inner container in a circular container body with a partition that divides a space for accommodating contents, the packaging container is provided with an anti-rotation protrusion at the center of the bottom surface of the circular container body that protrudes from the bottom surface and abuts against the back side of the partition of the inner container to prevent the inner container from rotating, the anti-rotation protrusion has a shape that has two parts that are different distances from the center of the bottom surface of the container body, and a locking portion on the outer edge side of the inner container is placed on a part of the side wall of the container body, so that the inner container is stored in a state where a part of the bottom wall is floating above the bottom surface of the container body.

According to the above features, the anti-rotation protrusion is provided at the center of the bottom surface of the container body and has a shape with two parts at different distances from the center. Therefore, even if the inner container tries to rotate around the center of the bottom surface in a horizontal plane, one of the two parts at different distances from the center will abut against the back side of the partition of the inner container, reliably preventing the inner container from rotating. Furthermore, since the anti-rotation protrusion is formed to protrude from the bottom surface, even if the inner container tries to rotate in a horizontal plane within the container body, the partition is unlikely to overcome the anti-rotation protrusion, reliably preventing the inner container from rotating.

Furthermore, the packaging container according to claim 3 of the present invention is characterized in that it is provided with two or more anti-rotation protrusions.

The above features make it possible to more reliably prevent the inner container from rotating.

Furthermore, the packaging container according to claim 4 of the present invention is characterized in that the anti-rotation protrusion extends in the radial direction of the container body in a plan view.

According to the above feature, the anti-rotation protrusion extends in the radial direction of the container body, which means that the anti-rotation protrusion extends in a direction intersecting the circumferential direction of the container body. Therefore, even if the inner container tries to rotate on a horizontal plane within the circular container body, that is, the inner container tries to rotate along the circumferential direction of the container body, the anti-rotation protrusion extending in a direction intersecting the rotation direction can more reliably prevent the inner container from rotating.

Furthermore, the packaging container according to claim 5 of the present invention is characterized in that the anti-rotation protrusions increase in width from the tip to the end in accordance with the shape of the recessed portion on the back side of the partition.

The above features allow the anti-rotation protrusion to be securely abutted against the rear side of the partition with as little gap as possible, so that the inner container can be more reliably prevented from rotating.

Furthermore, the packaging container according to claim 6 of the present invention is characterized in that the angle between the surface of the tip of the anti-rotation protrusion and the inclined surface extending downward from the tip is an obtuse angle greater than 90 degrees.

According to the above feature, when the anti-rotation protrusion is fitted to the back surface of the partition of the inner container, even if the partition and the anti-rotation protrusion are slightly misaligned in vertical position, the back surface of the partition abuts against the gentle, obtuse-angled tip and is guided to smoothly slide so that the vertical positions match.

Furthermore, the packaging container according to claim 7 of the present invention is characterized in that a plurality of legs are provided on the bottom surface of the container body, and the anti-rotation protrusion is formed between the legs on the bottom surface.

According to the above feature, when a strip-shaped label is placed between the legs and wrapped around the packaging container, the strip-shaped label is wrapped so that it overlaps the partition located between the legs. This makes it possible to minimize the obscuration of the contents, such as food, contained in the space partitioned by the partition, thereby improving the appearance of the product.

As mentioned above, the packaging container of the present invention can reliably prevent the inner container from rotating.

1A and 1B show a lid body to be attached to a packaging container according to a first embodiment of the present invention, where FIG. 1A is a plan view of the lid body, and FIG. 1 shows an inner container of a packaging container according to a first embodiment of the present invention, where (a) is a plan view of the inner container, (b) is a side view of the inner container, and (c) is an A-A end view. 1 shows the container body of a packaging container according to embodiment 1 of the present invention, where (a) is a plan view of the container body, (b) is a side view of the container body, (c) is a B-B cross-sectional view, and (d) is a CC cross-sectional view. 1A is a plan view showing a state in which an inner container is accommodated within a container body of a packaging container according to a first embodiment of the present invention, and FIG. 1B is a D-D end view. 6A is a plan view of a container body of a packaging container according to a second embodiment of the present invention, and FIG. 6B is a cross-sectional view taken along line E-E. 6A is a plan view showing a state in which an inner container is accommodated within a container body of a packaging container according to a second embodiment of the present invention, and FIG. 6B is an F-F end view.

200 Inner container 230 Partition 234 Back surface 300 Container body 310 Bottom surface 360 Anti-rotation protrusion 400 Packaging container

Each embodiment of the present invention will be described below with reference to the drawings. In this specification, "upward" refers to the upward direction in the vertical direction when the container body of the packaging container is placed on a horizontal surface with the opening side facing up, "downward" refers to the downward direction in the vertical direction, "horizontal" refers to the horizontal direction, and "vertical" refers to the direction perpendicular to "horizontal" on the horizontal surface.

<Embodiment 1>
1 shows a lid 100 to be attached to a packaging container 400 according to the first embodiment of the present invention. Fig. 1(a) is a plan view of the lid 100, and Fig. 1(b) is a side view of the lid 100.

As shown in FIG. 1, the lid 100 is a shallow dish type that opens downward and has a circular shape in a plan view. It includes a flat top plate 110, a side wall 120 that continues downward from the edge 111 of the top plate 110, and a flange portion 130 that extends horizontally from the lower end of the side wall 120. A flat surface 121 for attaching a product display sticker or the like is provided on a part of the side wall 120, and the part of the side wall 120 other than the flat surface 121 is smoothly curved so as to surround the periphery of the top plate 110. Furthermore, a concave lid-side fitting portion 140 that continues downward from the flange portion 130 is provided on the outer side of the flange portion 130. The side wall 120, the flange portion 130, and the lid-side fitting portion 140 are provided continuously around the entire circumference of the lid 100 in the circumferential direction.

Next, FIG. 2 shows the inner container 200 of the packaging container 400 according to the first embodiment of the present invention. Note that FIG. 2(a) is a plan view of the inner container 200, FIG. 2(b) is a side view of the inner container 200, and FIG. 2(c) is an A-A end view.

2, inner container 200 is a shallow dish type that opens upward and has a circular shape in a plan view, and is provided with flat bottom wall 210, side walls 220 that continue and rise upward from the edges of bottom wall 210, and partitions 230 that divide a space for accommodating food. Furthermore, flange portion 240 is provided extending in a substantially horizontal direction from the upper end of side wall 220, and engaging portion 241 is formed extending downward from the edge of flange portion 240, and engaging portion 241 is placed on step portion 331 of container body 300 described later. Side wall 220, flange portion 240, and engaging portion 241 are provided continuously or intermittently around the entire circumference of inner container 200 in the circumferential direction.

2, the partition 230 is formed in a convex shape so as to bulge upward from the bottom wall 210, and divides the space on the bottom wall 210 for accommodating food and the like. Specifically, the partition 230, which is approximately Y-shaped in a plan view, divides the space on the bottom wall 210 into space X1, space X2, and space X3. The partition 230 also extends in a direction intersecting the circumferential direction of the container body 300, which will be described later. Furthermore, as shown in FIG. 2(c), the longitudinal cross-sectional shape of the partition 230 perpendicular to the longitudinal direction is a divergent shape that gradually becomes wider from the tip 231 to the end 232. In addition, by making the partition 230 into such a divergent shape, an undercut portion is not formed when the inner container 200 is sheet-formed. Furthermore, since the partition 230 is formed in an upward convex shape, the back surface 234 side of the partition 230 is upwardly concave. The anti-rotation protrusion 360 (described below) fits into the recessed portion on the back side of the partition 230.

In FIG. 2, the partition 230 is substantially Y-shaped in plan view, but is not limited thereto, and may be any shape as long as it can divide the space for storing the contents. In addition, the partition 230 has a shape that gradually widens from the tip 231 to the end 232, but is not limited thereto, and may be any shape as long as it protrudes from the bottom wall 210 so as to divide the space for storing the contents and can abut a part of the back side with a rotation prevention protrusion 360 described later. In addition, in FIG. 2, the inner container 200 is circular, but is not limited thereto, and may be any shape such as a semicircular shape or a crescent shape as long as it can be stored inside the circular container body 300.

Next, FIG. 3 shows a container body 300 according to the first embodiment of the present invention. Note that FIG. 3(a) is a plan view of the container body 300, FIG. 3(b) is a side view of the container body 300, FIG. 3(c) is a cross-sectional view taken along line B-B, and FIG. 3(d) is a cross-sectional view taken along line C-C.

As shown in FIG. 3, the container body 300 is a shallow dish type that opens upward and has a circular shape in a plan view, and includes a flat bottom surface 310, legs 320 that bulge downward at the outer periphery of the bottom surface 310, a side wall 330 that rises upward from the edge of the bottom surface 310, and a flange portion 340 that extends in a substantially horizontal direction from the upper end of the side wall 330. In addition, a convex container side fitting portion 350 is provided that continues downward from the flange portion 340. The side wall 330, the flange portion 340, and the container side fitting portion 350 are provided continuously around the entire circumference of the container body 300.

A step 331 is formed on the upper end of the side wall 330, allowing the locking portion 241 of the inner container 200 to be placed thereon. Furthermore, two anti-rotation protrusions 360 are formed on the bottom surface 310, protruding upward from the bottom surface 310, and each anti-rotation protrusion 360 is provided at a position away from the center O of the container body 300 (in other words, the anti-rotation protrusions 360 are provided at a position offset from the center O). Furthermore, each anti-rotation protrusion 360 extends in the radial direction of the container body 300 in a plan view, so that the longitudinal width L1 is longer than the lateral width L2.

As shown in FIG. 3(c), the cross-sectional shape of anti-rotation protrusion 360 perpendicular to the longitudinal direction is a flared shape that gradually widens from tip 361 to end 362. The cross-sectional shape of anti-rotation protrusion 360 corresponds to the cross-sectional shape of partition 230 perpendicular to the longitudinal direction shown in FIG. 2(c). Therefore, as described below, anti-rotation protrusion 360 fits smoothly into the recessed portion of partition 230 and can abut against the back side of partition 230.

Furthermore, as shown in FIG. 3(c), the tip 361 of the anti-rotation protrusion 360 has an obtuse angle. More specifically, the angle α between the surface of the tip 361 of the anti-rotation protrusion 360 and the inclined surface 363 extending downward from the tip 361 is an obtuse angle greater than 90 degrees.

As shown in FIG. 3(a), the bottom surface 310 of the container body 300 is provided with four legs 320 at equal intervals in the circumferential direction of the container body 300. The anti-rotation protrusions 360 are located between the legs 320. As described below, the space between the legs 320 is where strip-shaped labels are wrapped around, and arrows are provided around the center O as a marker to indicate this space. Although the four legs 320 are provided at equal intervals in the circumferential direction, this is not limiting, and two or more legs 320 can be provided at any position on the bottom surface 310.

Although the anti-rotation protrusion 360 has a generally rectangular columnar shape, the present invention is not limited thereto, and may have any shape, such as a cylinder, as long as it is located away from the center O of the bottom surface 310. Although two anti-rotation protrusions 360 are provided, the present invention is not limited thereto, and only one anti-rotation protrusion 360 may be provided, or three or more anti-rotation protrusions 360 may be provided.

The lid 100, inner container 200, and container body 300 according to this embodiment 1 are formed by sheet molding (e.g., vacuum molding, pressure molding, hot plate molding) using a sheet-like material with a thickness of about 0.1 mm to 1.00 mm. For example, the lid 100 and inner container 200 can be made of polystyrene, polypropylene, polystyrene, A-PET, polylactic acid, or biaxially stretched versions of these materials, while the container body 300 can be made of polystyrene, polypropylene, polystyrene, A-PET, polylactic acid, or foamed versions of these materials or mixtures of these materials with talc.

Next, referring to FIG. 4, a packaging container 400 according to a first embodiment of the present invention will be described. FIG. 4(a) is a plan view showing the inner container 200 housed in the container body 300, and FIG. 4(b) is a D-D end view. This packaging container 400 is composed of two members, the inner container 200 and the container body 300, and has a lid 100 attached as described below, although the lid 100 is not an essential component.

As shown in FIG. 4, the contents, such as food, are placed in the space partitioned by the partition 230, and the inner container 200 is placed inside the opening of the container body 300. Specifically, the orientation of the inner container 200 is adjusted and the inner container 200 is placed inside the opening of the container body 300 so that the anti-rotation protrusion 360 of the container body 300 fits into the recessed portion of the back surface 234 of the partition 230 of the inner container 200. In addition, since the locking portion 241 of the inner container 200 is placed on the step portion 331 of the side wall 330 of the container body 300, the inner container 200 is stably placed inside the container body 300 without tilting.

Then, the lid 100 (not shown) is placed over the packaging container 400, and the lid-side fitting portion 140 of the lid 100 is externally fitted into the container-side fitting portion 350 of the container body 300. Furthermore, a strip-shaped label (not shown) is placed between the legs 320 and wrapped around the lid 100 and packaging container 400, thereby firmly maintaining the packaging container 400 and the lid 100 in a sealed state.

Here, according to the packaging container 400 of the first embodiment of the present invention, even if the inner container 200 tries to rotate on a horizontal plane within the circular container body 300 (see the arrow in FIG. 4(a)), the anti-rotation protrusion 360 provided at a position away from the center O of the bottom surface 310 abuts against the back side of the partition 230 of the inner container 200, so that the inner container 200 can be reliably prevented from rotating.

In addition, since the partition 230 extends in a direction intersecting the circumferential direction of the container body 300, the anti-rotation protrusion 360 provided at a position away from the center O of the bottom surface 310 abuts against the partition 230, so that even if the inner container 200 tries to rotate in the circumferential direction of the container body 300 (see the arrow in Figure 4 (a)), the inner container 200 can be reliably prevented from rotating.

Furthermore, since the anti-rotation protrusion 360 is formed to protrude from the bottom surface 310, even if the inner container 200 tries to rotate on a horizontal plane within the container body 300, the partition 230 is unlikely to climb over the anti-rotation protrusion 360, and the inner container 200 can be reliably prevented from rotating. Also, the back surface 234 side of the partition 230 has not been effectively utilized until now because it is difficult to store food there, but it is effectively utilized as a point against which the anti-rotation protrusion 360 abuts, and furthermore, by utilizing the back surface 234 side of the partition 230, there is no need to provide a separate structure for the anti-rotation protrusion 360 to abut, which reduces manufacturing costs.

In addition, according to the packaging container 400 of the first embodiment of the present invention, the anti-rotation protrusion 360 extends in the radial direction of the container body 300, so that the inner container 200 can be prevented from rotating reliably. To explain in detail, since the anti-rotation protrusion 360 extends in the radial direction of the container body 300, the anti-rotation protrusion 360 extends in a direction intersecting the circumferential direction of the container body 300. Therefore, even if the inner container 200 tries to rotate on a horizontal plane within the circular container body 300, that is, even if the inner container 200 tries to rotate along the circumferential direction of the container body 300, the anti-rotation protrusion 360 extending in a direction intersecting the rotation direction can more reliably prevent the inner container 200 from rotating.

In FIG. 4, the anti-rotation protrusion 360 extends in the radial direction of the container body 300, but this is not limited thereto, and it is sufficient that the anti-rotation protrusion 360 extends toward the outer periphery of the container body 300. If the anti-rotation protrusion 360 extends toward the outer periphery of the container body 300, the anti-rotation protrusion 360 extends in a direction intersecting the circumferential direction of the container body 300, and therefore the anti-rotation protrusion 360 extending in a direction intersecting the rotation direction of the inner container 200 can more reliably prevent the inner container 200 from rotating.

In addition, according to the packaging container 400 of the first embodiment of the present invention, as shown in FIG. 4(b), the anti-rotation protrusion 360 has a shape that widens from the tip 361 to the end 362 in accordance with the shape of the recessed portion on the back surface 234 side of the partition 230, so that the anti-rotation protrusion 360 can abut securely against the back surface 234 side of the partition 230 with as little gap as possible, and therefore, the inner container 200 can be more reliably prevented from rotating.

In addition, according to the packaging container 400 of the first embodiment of the present invention, as shown in Figs. 3(c) and 4(b), the tip 361 of the anti-rotation protrusion 360 has an obtuse angle. Therefore, when the anti-rotation protrusion 360 is fitted into the back surface 234 of the partition 230 of the inner container 200, even if the partition 230 and the anti-rotation protrusion 360 are slightly misaligned in the vertical positions, the back surface 234 of the partition 230 abuts against the gentle obtuse tip 361 and is guided to smoothly slide so that the vertical positions match.

In addition, according to the packaging container 400 of embodiment 1 of the present invention, two or more anti-rotation protrusions 360 are provided, so that the inner container 200 can be more reliably prevented from rotating.

According to the packaging container 400 of the first embodiment of the present invention, the bottom surface 310 of the container body 300 is provided with a plurality of legs 320, and the anti-rotation projections 360 are formed between the legs 320, so that the partitions 230 of the inner container 200 that abut against the anti-rotation projections 360 are also located between the legs 320, as shown in FIG. 4(a). When the packaging container 400 is sold at a store or the like, the lid body 100 is attached from above the packaging container 400, and a strip-shaped label (not shown) is placed between the legs 320 and wrapped around the lid body 100 and the packaging container 400, and the strip-shaped label is wrapped so as to overlap the partitions 230 located between the legs 320. Therefore, the contents such as food contained in the space partitioned by the partitions 230 can be prevented from being hidden by the strip-shaped label as much as possible, improving the appearance of the product. Since the legs 320 are formed to bulge downward from the bottom surface 310 of the container body 300, the strip-shaped label is wrapped around the legs 320, avoiding the legs 320 and passing between them.

<Embodiment 2>
Next, a packaging container 400A according to a second embodiment of the present invention will be described. The configuration of the packaging container 400A according to the second embodiment is the same as that of the packaging container 400 according to the first embodiment shown in FIG. 4 except for the configuration of the anti-rotation protrusion 360A. Therefore, detailed description of the same configuration as that of the packaging container 400 according to the first embodiment will be omitted. Note that FIG. 5(a) is a plan view of the container body 300A of the packaging container 400A according to the second embodiment, and FIG. 5(b) is an E-E cross-sectional view. FIG. 6(a) is a plan view showing a state in which the inner container 200 is accommodated in the container body 300A, and FIG. 6(b) is an F-F end view.

As shown in FIG. 5(a), anti-rotation protrusion 360A is formed at center O of container body 300A so as to protrude upward from bottom surface 310A. This anti-rotation protrusion 360A has a generally square prism shape, and its cross section (cross section along the horizontal direction) is generally rectangular. Therefore, anti-rotation protrusion 360A has a short side portion 364A and a long side portion 365A, and width L3 from center O to side portion 364A in the horizontal plane is different from width L4 from center O to side portion 365A. Therefore, anti-rotation protrusion 360A has a shape that has at least two portions with different distances from center O in the horizontal plane.

The anti-rotation protrusion 360A shown in FIG. 5 has a substantially square prism shape and its cross section (cross section along the horizontal direction) is substantially rectangular, but is not limited thereto and may have any shape as long as it has at least two parts with different distances from the center O. For example, the anti-rotation protrusion 360A may have a substantially cylindrical shape with an elliptical cross section, a prism shape with a polygonal cross section, or a pyramid shape with a polygonal cross section. And, the anti-rotation protrusion 360A having at least two parts with different distances from the center O means that the anti-rotation protrusion 360A is non-cylindrical or non-conical, or in other words, excludes a configuration in which the anti-rotation protrusion 360A is cylindrical or conical and has a circular cross section.

6, the contents such as food are placed in each space partitioned by the partition 230, and the inner container 200 is placed inside the opening of the container body 300A. Specifically, the orientation of the inner container 200 is adjusted so that the rotation prevention protrusion 360A of the container body 300A fits into the recessed portion of the back surface 234 of the partition 230 of the inner container 200, and the inner container 200 is placed inside the opening of the container body 300A. Then, the lid body 100 (not shown) is placed over the packaging container 400A, and the lid side fitting portion 140 of the lid body 100 is externally fitted into the container side fitting portion 350A of the container body 300A. Furthermore, a strip-shaped label (not shown) is placed between the legs 320A and wrapped around the lid body 100 and the packaging container 400A, so that the packaging container 400A and the lid body 100 are firmly maintained in a sealed state.

Here, according to the packaging container 400A of the second embodiment of the present invention, the anti-rotation protrusion 360A is provided at the center O of the bottom surface 310A of the container body 300A and has a shape with two parts at different distances from the center O. Therefore, even if the inner container 200 tries to rotate around the center O in a horizontal plane (see the arrow in FIG. 6(a)), one of the two parts at different distances from the center O abuts against the back side of the partition 230 of the inner container 200, and the inner container 200 can be reliably prevented from rotating. In particular, in the conventional packaging container of Patent Document 2, the engagement portion is located at the center of the bottom surface of the inner container and has a cylindrical shape, so that the inner container rotates around the center of the bottom surface, and the inner container cannot be reliably prevented from rotating. However, according to the packaging container 400A of the second embodiment of the present invention, the anti-rotation protrusion 360A has a shape with two parts at different distances from the center O, i.e., a non-cylindrical shape, so that the inner container 200 can be reliably prevented from rotating, unlike the conventional case.

Furthermore, since the anti-rotation protrusion 360A is formed to protrude from the bottom surface 310A, even if the inner container 200 tries to rotate on a horizontal plane within the container body 300A, the partition 230 is unlikely to climb over the anti-rotation protrusion 360A, and the inner container 200 can be reliably prevented from rotating. Also, the back surface 234 side of the partition 230 has not been effectively utilized until now because it is difficult to store food there, but it is effectively utilized as a contact point for the anti-rotation protrusion 360A, and furthermore, by utilizing the back surface 234 side of the partition 230, there is no need to provide a separate structure for the anti-rotation protrusion 360A to contact, which reduces manufacturing costs.

In addition, in the packaging container 400A according to embodiment 2 of the present invention, the anti-rotation protrusions 360A extend in the radial direction of the container body 300A, so that the inner container 200 can be reliably prevented from rotating.

In addition, according to the packaging container 400A of the second embodiment of the present invention, as shown in FIG. 6(b), the anti-rotation protrusion 360A has a shape that widens from the tip 361A to the end 362A to match the shape of the recessed portion on the back surface 234 side of the partition 230, so that the inner container 200 can be more reliably prevented from rotating. Also, as shown in FIG. 6(b), the tip 361A of the anti-rotation protrusion 360A has an obtuse angle, so that when the back surface 234 of the partition 230 of the inner container 200 is fitted into the anti-rotation protrusion 360A, it can be smoothly slid and guided so that the upper and lower positions match.

In addition, according to the packaging container 400A of the second embodiment of the present invention, the bottom surface 310A of the container body 300A is provided with a plurality of legs 320A, and the anti-rotation protrusions 360A are formed between the legs 320A, so that the partition 230 of the inner container 200 that abuts against the anti-rotation protrusions 360A is also located between the legs 320A, as shown in FIG. 6(a). The strip-shaped label (not shown) wrapped between the legs 320A is wrapped so as to overlap the partition 230 located between the legs 320A, so that the contents, such as food, contained in the space partitioned by the partition 230 are not hidden by the strip-shaped label as much as possible, improving the appearance of the product.

The packaging container of the present invention is not limited to the above examples, and various modifications and combinations are possible within the scope of the claims and the scope of the embodiments, and these modifications and combinations are also included in the scope of the rights.

Claims (7)

A packaging container for storing a circular inner container in a circular container body having a partition for dividing a space for storing contents,
A rotation prevention protrusion is provided at a position away from the center of the bottom surface of the circular container body, protruding from the bottom surface and abutting against the back side of the partition of the inner container to prevent the inner container from rotating;
A packaging container characterized in that the engaging portion on the outer edge side of the inner container is placed on a portion of the side wall of the container body, and the inner container is stored in a state where a portion of the bottom wall of the inner container is floating above the bottom surface of the container body. A packaging container for storing a circular inner container in a circular container body having a partition for dividing a space for storing contents,
A rotation prevention protrusion is provided at the center of the bottom surface of the circular container body, protruding from the bottom surface and abutting against the back side of the partition of the inner container to prevent the inner container from rotating;
The anti-rotation protrusion has a shape including two portions that are spaced apart from the center of the bottom surface of the container body by different distances,
A packaging container characterized in that the engaging portion on the outer edge side of the inner container is placed on a portion of the side wall of the container body, and the inner container is stored in a state where a portion of the bottom wall of the inner container is floating above the bottom surface of the container body. The packaging container according to claim 1, characterized in that two or more anti-rotation protrusions are provided. The packaging container according to any one of claims 1 to 3, characterized in that the anti-rotation protrusion extends in the radial direction of the container body in a plan view. The packaging container according to any one of claims 1 to 4, characterized in that the anti-rotation protrusions increase in width from the tip to the end to match the shape of the recessed portion on the back side of the partition. A packaging container according to any one of claims 1 to 5, characterized in that the angle between the surface of the tip of the anti-rotation protrusion and the inclined surface extending downward from the tip is an obtuse angle greater than 90 degrees. A plurality of legs are provided on the bottom surface of the container body,
7. The packaging container according to claim 1, wherein the anti-rotation projection is formed between the legs on the bottom surface.

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