JP2009012840A - Container with lid - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve a yield of products, in a container provided with a projected tongue piece. <P>SOLUTION: The container 1 with the lid has a storage space 5 which stores a content 19 and is provided with a container 2 having a round opening 3 at one side and a lid body 4 for closing the opening 3. The tongue piece 17 is projected outward in a radial direction at a part of the outer edge of the lid body 4. Since a plurality of the lid bodies 4 are engaged with one another when they are piled up in the same direction, a position of the tongue piece 17 is aligned along the pile direction of the lid bodies 4, and the rotation of the respective lid body 4 in a circumferential direction is regulated, and a separable engaging part 18 is arranged in the pile direction of the plurality of the lid bodies 4 in the container with the lid. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a container with a lid.

2. Description of the Related Art Conventionally, a lidded container that can accommodate a stored item is known (for example, see Patent Documents 1 and 2). Such a container with a lid is used in a supermarket or the like, for example, in a state in which a food product (particularly a side dish including a fluid such as boiled juice) is placed. In many cases, the lidded container is provided with a tongue piece protruding from the outer edge so as to be used as a handle for removal.
In recent years, attempts have been made to automate the process of storing the contents in the lidded container for the purpose of hygiene management or cost reduction. In this automation process, first, after a predetermined amount of storage material is put into a container (without a lid) flowing on the belt conveyor, a lid supplied from an automatic machine is supplied from above the container. Is done. Next, the lid is assembled to the container by pressing the upper surface of the lid. Thereafter, a label or the like indicating the contents of the product is further affixed to the outer surface of the lid / container.
Japanese Patent No. 3109803 Japanese Patent No. 3192126

In the above automation process, when the opening of the container is circular, the shape of the lid is also substantially circular. In general, in order to supply a lid to an opening of a container using an automatic machine, a plurality of lids are stacked in the thickness direction and stored in a predetermined place. At this time, if the lid is circular, the position of the tongue piece protruding from a part of the lid may be displaced in the circumferential direction. As a result, when the upper surface of the lid is pressed, a product that cannot be assembled properly occurs, resulting in a reduction in product yield.
A similar situation occurred during transportation from a factory that manufactures containers with lids. That is, after the container and the lid are manufactured by a predetermined machine or the like, the containers or the lids are stacked in the thickness direction, and are carried into the site where the contents are stored in the container. At this time, if the tongue piece protrudes from a part of the container or lid, if the tongue piece is misaligned, the tongue piece or container / lid will be deformed during transportation, There was something I couldn't do.
This invention is made | formed in view of the said situation, The objective is to provide the container with a lid | cover which can improve the yield of a product in the container or lid | cover which made the tongue piece project.

A container with a lid according to a first aspect of the present invention includes a container having an accommodating space capable of accommodating an object therein, a circular opening on one side, and a lid that is assembled to the opening and closes the opening. A tongue piece projecting radially outward from a part of the outer edge of the lid, and a plurality of lids in the same direction. By engaging each other when stacked, the positions of the tongue pieces are aligned along the stacking direction of the lids and restrict the rotation of the lids in the circumferential direction, while stacking a plurality of lids In the direction, a separable engaging portion is provided.
In this invention, it is preferable that the said engaging part is provided in the position in which the said tongue piece is provided. If it does in that way, compared with the case where an engaging part is provided in another position, the structure of a cover body can be simplified.

In the present invention, the opening of the container is provided with an annular bent portion having a bowl-shaped cross section extending outward from the mouth edge, and the outer edge of the lid body covers the annular bent portion. It is preferable that an annular bent portion to be attached is provided, and the engaging portion is formed by projecting a part of the annular bent portion outward in the tongue piece.
Moreover, in this invention, it is preferable that the said engaging part is made into the taper shape which expands as it goes below. By doing so, the stacked lids can be easily removed, so that workability can be improved.

  Further, the annular bent portion is provided with an engaging convex portion that is assembled from the outside at the lower end edge of the annular bent portion when the lid is assembled to the container. It is preferable that a skirt portion that covers the annular bent portion of the lid on the lower surface side when a plurality of lids are stacked is provided below the joint convex portion. By doing so, it is possible to more reliably regulate the rotation of the lid body in the circumferential direction when the lid bodies are stacked.

A container with a lid according to a second aspect of the present invention includes a container having an accommodating space capable of accommodating an object therein, a circular opening on one side, and a lid that is assembled to the opening and closes the opening. A container-side tongue projecting radially outward from a part of the outer edge of the container, and a plurality of containers stacked in the same direction. The container-side tongue pieces are aligned with each other in the stacking direction of the containers so as to restrict the rotation of the containers in the circumferential direction, while the plurality of containers are stacked in the stacking direction. Is provided with a separable container side engaging portion.
In this invention, it is preferable that the said container side engaging part is provided in the position in which the said container side tongue piece is provided. If it does in that way, compared with the case where a container side engaging part is provided in another position, the structure of a container can be simplified.

In addition, the opening of the container is provided with an annular bent portion having a bowl-shaped cross section that extends outward from the mouth edge, while the outer bent portion of the lid body is provided with an annular bent portion that covers the annular bent portion. It is preferable that the container side engaging portion is formed by projecting a part of the annular bent portion outward in the container side tongue.
Moreover, it is preferable that the said container side engaging part is made into the taper shape which expands as it goes upwards. By doing so, it becomes easy to remove the stacked containers, so that workability can be improved.

  According to a third aspect of the present invention, there is provided a container with a lid, comprising a housing space capable of accommodating an object therein, a container having a circular opening on one side, and a lid assembled to the opening to close the opening. A tongue piece projecting radially outward from a part of the outer edge of the lid body, and the lid body has the same plurality of lid bodies. A plurality of lids that engage with each other when stacked in a direction to regulate the position of the tongue pieces along the stacking direction of the lids and restrict rotation of each lid in the circumferential direction. In the stacking direction, a separable engaging portion is provided, and a container-side tongue piece protrudes radially outward from a part of the outer edge of the container. When the plurality of containers are stacked in the same direction, the container-side tongue pieces are positioned by engaging each other. The container is aligned along the stacking direction of the containers and restricts rotation of the containers in the circumferential direction, while a container-side engaging portion is provided in the stacking direction of the plurality of containers, and the tongue When the container and the lid are assembled at a position where the piece and the container-side tongue are aligned, the engaging portion and the container-side engaging portion are engaged with each other.

According to the first invention, after the lid body is manufactured, when the plurality of lid bodies are stacked in the same direction using the mutual engaging portions, the positions of the tongue pieces are aligned. For this reason, when transporting a cover body, a possibility that a tongue piece or a cover body will deform | transform decreases.
In addition, according to the present invention, after the accommodated item is accommodated in the accommodating space of the container, the opening is closed by placing the lid on the opening of the container and pressing the lid. When this operation is performed by an automatic machine, a plurality of lids are stacked in advance and waited. Here, since the position of the tongue piece is aligned with the lid body and an engagement portion that restricts rotation in the circumferential direction is provided, the position of the tongue piece when the lid body is placed on the container is provided. The variation is reduced. For this reason, the operation when assembling the lid to the container is stable, and the yield of the product can be increased.

According to 2nd invention, after manufacturing a container, when the several container was stacked in the same direction using a mutual container side engaging part, the state where the position of the container side tongue piece was aligned, Become. For this reason, when conveying a container, a possibility that a container side tongue piece or a container may deform | transform will reduce.
According to the third invention, in addition to the above-described effect, when the container and the lid are assembled, the engaging portion and the container-side engaging portion engage with each other so that the tongue piece and the container-side tongue piece are Since it matches, the assembly operability is good.

Next, the best mode for carrying out the present invention will be described in detail with reference to the drawings. In addition, this invention is not restrict | limited by the following embodiment. Further, the technical scope of the present invention extends to an equivalent range.
<First Embodiment>
FIG. 1 shows a state before a container with a lid (hereinafter referred to as a container with a lid) is assembled. The container 1 with a lid includes a container 2 and a lid 4 that is assembled to an opening 3 provided on the upper surface side of the container 2. The lidded container 1 is made of transparent PET, but can be made of, for example, a resin (for example, plastic) or a paper material. The container 2 has a cup shape that has a maximum diameter on the upper surface side and decreases in diameter downward. The container 2 is provided with a storage space 5 in which a stored item can be stored. Moreover, the opening 3 of the container 2 is circular.

On the entire circumference of the upper edge of the container 2, an annular bent portion 6 having a bowl-shaped cross section that extends outward from the mouth edge is provided. As shown in FIG. 3, the annular bent portion 6 extends from the rim toward the radially outer side as a substantially horizontal horizontal portion 7, and is then bent downward at the bent portion 8. To the lower edge 9 so as to spread outward.
The lid 4 is formed in a circular shape that is slightly larger than the opening 3. On the outer edge of the lid body 4, an annular bent portion 10 is provided that engages with the annular bent portion 6 of the container 2 so as to cover it. More specifically, as shown in FIG. 4, the edge portion of the substantially disk-shaped flat plate portion 11 at the center portion of the lid body 4 is raised vertically upward to form a vertical portion 12, and the upper end thereof is in the radial direction. It is set as the horizontal part 13 extended horizontally toward the outer side. The length of the horizontal portion 13 is slightly longer than the length of the horizontal portion 7. When the lid 4 is covered with the container 2, both the horizontal portions 7 and 13 are brought into close contact with each other.
The tip of the horizontal portion 13 is a contact wall 14 that extends substantially vertically downward. Below the abutting wall 14, an engaging convex portion 15 that is assembled to the lower end edge 9 from the outside protrudes radially inward.

A skirt portion 16 that slightly extends outward in the radial direction is provided below the engaging convex portion 15. The lower end of the skirt portion 16 is located below the flat plate portion 11. The expanded diameter of the skirt portion 16 is larger than the outer diameter of the horizontal portion 13, and when the plurality of lids 4 are stacked with the positions of the tongue pieces 17 aligned, the skirt portion 16 of the top surface side lid 4. However, the annular bending part 10 of the cover body 4 located in the lower surface side is covered (refer FIG. 9).
The length of the abutting wall 14 is substantially the same as the length from the bent portion 8 to the lower end edge 9 in the container 2. When the lid 4 is assembled to the container 2, as shown in FIG. When the lower end edge 9 is engaged with the upper end portion of the joint convex portion 15, the opening 3 is closed in a sealed manner by the lid body 4.

  As shown in FIG. 2, a tongue piece 17 protrudes radially outward from a part of the outer periphery of the lid body 4. The tongue piece 17 is used as a handle for removing the container 2 and the lid 4. As shown in FIGS. 1 and 6, an engaging portion 18 is provided at a position where the tongue piece 17 is provided. The engagement portion 18 is formed in the vertical direction (thickness direction of the lid body 4) so as to cross the engagement convex portion 15 provided along the circumferential direction of the lid body 4. The engaging portion 18 is formed in the tongue piece 17 by projecting a part of the annular bent portion 10 outward, and is a tapered groove that expands downward. This engaging part 18 is open | released only to the lower surface side, and can receive the engaging part 18 of the cover body 4 located in a lower surface side in an up-down direction.

When the plurality of lids 4 are stacked in the same vertical direction so that the engaging portions 18 are engaged with each other, a form as shown in FIG. 9 is obtained.
At this time, the position of the tongue piece 17 is aligned along the stacking direction of the lid body 4. Further, the engagement of the engaging portion 18 restricts each lid 4 from rotating in the circumferential direction (the directions of arrows A and B in FIG. 9). On the other hand, since the engagement of the engaging portions 18 is easily released in the stacking direction of the plurality of lid bodies 4 (in the direction of arrow X in FIG. 9), each lid body 4 has a vertical direction (the thickness of the lid body 4). In the direction).

Next, the operation and effect of the present embodiment configured as described above will be described.
The lidded container 1 of the present embodiment is separated into the container 2 and the lid body 4, and after being manufactured by a predetermined device, is transported to the site where the contents 19 are accommodated in the lidded container 1. At this time, since the tongue piece 17 protrudes from a part of the lid body 4, if the tongue piece 17 is displaced, the tongue piece 17 or the lid body 4 is deformed during transportation and cannot be used. It will be. However, in this embodiment, when the plurality of lids 4 are stacked in the same direction (thickness direction), the engaging portions 18 engage with each other, so that the position of the tongue piece 17 is aligned. In addition, rotation in the circumferential direction is restricted. For this reason, when carrying the cover body 4, the possibility that the tongue piece 17 or the cover body 4 will deform | transform decreases.

In addition, FIG. 10 shows an outline when the process of accommodating the contents 19 inside the lidded container 1 is automatically performed. In the upper space of the belt conveyor 20, an accommodation supply device 21, a lid supply device 22, and a lid closing device 23 are provided from the left side in the figure. The accommodated item 19 is accommodated inside the accommodated item supply device 21, and when the container 2 comes to a predetermined position, a predetermined amount of the accommodated item 19 is supplied to the accommodating space 5 of the container 2. Inside the lid supply device 22, a plurality of lids 4 are accommodated while being stacked in a state where the engaging portions 18 are engaged with each other and the positions of the tongue pieces 17 are aligned. The lid closing device 23 closes the lid 4 dropped on the upper surface of the container 2. Each of these devices is conventionally known and will not be described in detail.
The belt conveyor 20 is configured to move the lidded container 1 from the left to the right as indicated by the arrows in the figure.

First, an empty container 2 is carried from the left direction in the figure. Next, a predetermined amount of the stored item 19 is supplied from the stored item input device 21 to the receiving space 5 of the container 2. Next, one lid 4 is supplied from the lid supply device 22 so as to cover the opening 3 of the container 2. At this time, since the plurality of lids 4 are accommodated inside the lid supply device 22 with the positions of the tongue pieces 17 aligned with each other, the tongue pieces of the lid 4 supplied to the upper surface of the container 2 are stored. 17 is located on the upper surface of the container 2 at almost the same position in the circumferential direction of the opening 3.
Next, the lid closing device 23 presses the upper surface of the lid 4 and closes the opening 3 of the container 2 in a sealing manner. When the lid closing device 23 is operated, the tongue piece 17 is almost fixed, so that the pressing setting of the lid body 4 on the device 23 side (for example, a recessed groove positioned in the tongue piece 17 when the lid body 4 is pressed) Even if the closing operation is performed under certain conditions without changing the positioning (not shown) or the like), good closing efficiency can be obtained. In this way, the yield of the operation of supplying the container 19 to the lidded container 1 and closing the lid is improved.

In addition, after accommodating the container 19 in the container 1 with a lid (a position protruding from the right side of the drawing in the belt conveyor 20), a predetermined operation (for example, the lid 4 or the container is performed on the outer surface side of the container 1 with a lid). 2 and the like can be performed. Although such an operation can be automated, a detailed description thereof is omitted because it is not directly related to the present invention.
Thus, according to this embodiment, the container 1 with a lid | cover which shows a high yield can be provided also in operation which supplies the container 19 to the container 2 and closes the cover body 4 using an automatic machine. .

Further, after the lid body 4 is manufactured, when the plurality of lid bodies 4 are stacked in the same direction by using the engaging portions 18, the positions of the tongue pieces 17 are aligned. For this reason, when carrying the cover body 4, the possibility that the tongue piece 17 or the cover body 4 will deform | transform decreases.
Moreover, in this embodiment, since the engaging part 18 is provided in the tongue piece 17, the structure of the cover body 4 can be simplified compared with the case where the engaging part 18 is provided in another position.
Moreover, in this embodiment, since the engaging part 18 is made into the taper shape which expands as it goes below (thickness direction of the cover body 4), it becomes easy to perform the operation which removes the stacked cover body 4, and work. Property is improved.
Moreover, since the skirt part 16 which covers the cyclic | annular bending part 10 of the cover body 4 of the lower surface side when the some cover body 4 is stacked is provided under the engaging convex part 15, the cover body 4 When the two are stacked, the lid body 4 is restricted from rotating in the circumferential direction. In this way, the position of the tongue piece 17 when the lid 4 is supplied to the container 2 is further well defined.

Second Embodiment
Next, a second embodiment will be described with reference to FIGS. In addition, about this embodiment and 1st Embodiment, about the same structure, the same code | symbol is attached | subjected and description is abbreviate | omitted.
In the present embodiment and the first embodiment, the lid body 4 has the same configuration.
A container-side tongue piece 32 projects from a part of the outer edge of the container 31 toward the radially outer side. The container-side tongue piece 32 protrudes in a substantially horizontal direction outward from the lower end of the hanging portion 34 that extends further downward from the lower end edge of the annular bent portion 6. The planar shape of the container-side tongue 32 is substantially the same as the planar shape of the tongue 17 of the lid 4. Although not shown in detail in the drawing, the container-side tongue 32 is embossed, and when the lid body 4 is assembled to the container 31 (see FIG. 14), The space between 32 is slightly vacant. Thereby, it becomes easy to perform operation when opening the container 30 with a lid | cover.

Moreover, the container side engaging part 33 is provided inside the place where the container side tongue piece 32 is provided. The container side engaging portion 33 is formed in the vertical direction in the opening 3 of the annular bent portion 33. The container side engaging portion 33 is formed such that a part of the opening 3 swells outward, and is a tapered groove that slightly expands toward the upper side. The container side engaging portion 33 is opened only on the upper surface side, and can receive the container side engaging portion 33 of the container 31 located on the upper surface side in the vertical direction.
When the plurality of containers 31 are stacked in the same vertical direction so that the container-side engagement portions 33 are engaged with each other, as shown in FIG. It will be in the state aligned along. At this time, the rotation of each container 31 in the circumferential direction (the directions of arrows C and D in FIG. 15) is restricted by the engagement of the container side engaging portion 33. On the other hand, since the engagement of the container side engaging portion 33 is easily disengaged in the stacking direction of the plurality of containers 31 (the arrow Y direction in FIG. 15), each container 31 can be separated in the vertical direction. Yes.

In this embodiment configured as described above, the same operation and effect as the first embodiment can be obtained.
Moreover, after manufacturing the container 31, when the some container 31 is stacked in the same direction using the mutual container side engaging part 33, the position of the container side tongue piece 32 will be in the state aligned. For this reason, when the container 31 is transported, the possibility that the container-side tongue piece 32 or the container 31 is deformed is reduced.

In addition, this invention is not limited by the said embodiment, For example, it can also implement as follows.
1. In the first embodiment, the engaging portion 18 is provided on the tongue piece 17. However, according to the present invention, the engaging portion does not need to be provided at the position of the tongue piece. It can be provided at different positions. Moreover, an engaging part can also be provided in the center part of a cover body.
2. In the first embodiment, the engaging portion 18 has a tapered shape that expands downward. However, according to the present invention, the engaging portion can also be formed in a groove shape at equal intervals in the vertical direction. Moreover, it can also form in the step shape which expands.
3. In the first embodiment, the skirt portion 16 is provided. However, according to the present invention, the skirt portion is not necessarily provided.
4). In the first embodiment, the engaging portion 18 is formed as a groove that opens downward. However, according to the present invention, the engaging portion can also be formed as a groove that opens upward. In this case, the engaging portion can be formed in a tapered shape that protrudes inward and expands in the upward expanding direction.

5). In the first embodiment, the container 2 and the lid 4 are configured to be sealed in a sealed manner, but according to the present invention, the container and the lid need not necessarily be sealed in a sealed manner. .
6). In the second embodiment, both the lid 4 and the container 31 are provided with the engaging portion 18 and the container-side engaging portion 33. However, according to the present invention, the lid is provided with the engaging portion. Instead, only the container side engaging portion may be provided.
7). In 2nd Embodiment, although the container side engaging part 33 was provided in the container side tongue piece 32, according to this invention, it is not necessary to provide a container side engaging part in the position of a container side tongue piece. Moreover, a container side engaging part can also be provided in the center part of a container.
8). In the second embodiment, the container-side engaging portion 33 is tapered so as to expand upward, but according to the present invention, the container-side engaging portion may be formed in a groove shape with equal vertical intervals. it can. Moreover, it can also form in the step shape which expands.
9. In the second embodiment, the container 31 and the lid 4 are configured to be sealed in a sealed manner. However, according to the present invention, the container and the lid need not necessarily be sealed in a sealed manner. .

In 1st Embodiment, it is a front view before assembling a container with a lid | cover. It is a top view of a lid. It is sectional drawing of the area | region S in FIG. The detail of the annular bending part provided in the opening edge of the container is shown. It is sectional drawing of the area | region R in FIG. The detail of the annular bending part provided in the edge part of a cover body is shown. It is sectional drawing which shows a mode that an annular bending part and an annular bending part engage when a container and a cover body are assembled | attached. It is an enlarged view which shows the mode of an engaging part vicinity in a cover body. In FIG. 6, it is the EE sectional view taken on the line. It is sectional drawing which shows the mode of the engaging part vicinity when a container and a cover body are assembled | attached. It is a front view when a some cover body is stacked in the thickness direction. It is drawing which shows a mode when accommodating a stored item in the inside of a container using an automatic machine, and closing opening with a cover body. In 2nd Embodiment, it is a front view before assembling a container with a lid | cover. It is a top view of a container. In FIG. 12, it is the FF sectional view taken on the line. It is sectional drawing which shows the mode of the engaging part vicinity when a container and a cover body are assembled | attached. It is a front view when a some container is stacked in the thickness direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,30 ... Container with lid, 2,31 ... Container, 3 ... Opening, 4 ... Lid, 5 ... Storage space, 6 ... Annular bending part, 7 ... Horizontal part, 8 ... Bending part, 9 ... Lower end edge, 10 An annular bent portion, 11 a flat plate portion, 12 a vertical portion, 13 a horizontal portion, 14 an abutting wall, 15 an engaging convex portion, 16 a skirt portion, 17 a tongue piece, 18 an engaging portion, 19 ... container, 32 ... container side tongue, 33 ... container side engaging portion

Claims (10)

A container with a lid provided with a storage space capable of storing an object therein, a container having a circular opening on one side, and a lid that is assembled to the opening and closes the opening,
A tongue piece projects from the outer edge of the lid body toward the radially outer side, and the lid body engages with each other when a plurality of lid bodies are stacked in the same direction. Thus, the position of the tongue piece is aligned along the stacking direction of the lids, and each lid is restricted from rotating in the circumferential direction, while being separable in the stacking direction of the plurality of lids. The container with a lid | cover characterized by the above-mentioned. The container with a lid according to claim 1, wherein the engaging portion is provided at a position where the tongue piece is provided. The container with a lid according to claim 1, wherein the engaging portion has a tapered shape that expands downward. The opening of the container is provided with an annular bent portion having a bowl-shaped cross section that extends outward from the mouth edge, while an annular bent portion that is covered with the annular bent portion is provided on the outer edge of the lid. The engagement portion is formed by projecting a part of the annular bent portion outward in the tongue piece. The container with a lid as described. When the lid is assembled to the container, the annular bent portion is provided with an engaging convex portion that is assembled from the outside to the lower end edge of the annular bent portion. The container with a lid according to claim 4, wherein a skirt portion that covers an annular bent portion of the lid on the lower surface side when a plurality of lids are stacked is provided below the portion. A container with a lid provided with a storage space capable of storing an object therein, a container having a circular opening on one side, and a lid that is assembled to the opening and closes the opening,
A container-side tongue piece protrudes radially outward from a part of the outer edge of the container, and the container engages with each other when a plurality of containers are stacked in the same direction. Thus, the container-side engagement can be separated in the stacking direction of a plurality of containers while the positions of the container-side tongue pieces are aligned in the stacking direction of the containers and each container is prevented from rotating in the circumferential direction. The container with a lid | cover characterized by the above-mentioned. The said container side engaging part is provided in the position in which the said container side tongue piece is provided, The container with a lid | cover of Claim 6 characterized by the above-mentioned. The container with a lid according to claim 6 or 7, wherein the container-side engaging portion has a tapered shape that expands upward. The opening of the container is provided with an annular bent portion having a bowl-shaped cross section that extends outward from the mouth edge, while an annular bent portion that is covered with the annular bent portion is provided on the outer edge of the lid. The container-side engaging portion is formed by projecting a part of the annular bent portion outwardly in the container-side tongue piece. A container with a lid according to any one of the above. A container with a lid provided with a storage space capable of storing an object therein, a container having a circular opening on one side, and a lid that is assembled to the opening and closes the opening,
A tongue piece projects from the outer edge of the lid body toward the radially outer side, and the lid body engages with each other when a plurality of lid bodies are stacked in the same direction. Thus, the position of the tongue piece is aligned along the stacking direction of the lids, and each lid is restricted from rotating in the circumferential direction, while being separable in the stacking direction of the plurality of lids. Part is provided,
A container-side tongue piece protrudes radially outward from a part of the outer edge of the container, and the container engages with each other when a plurality of containers are stacked in the same direction. Thus, the container-side engagement can be separated in the stacking direction of a plurality of containers while the positions of the container-side tongue pieces are aligned in the stacking direction of the containers and each container is prevented from rotating in the circumferential direction. Part is provided,
The lid is characterized in that when the container and the lid are assembled at a position where the tongue and the container-side tongue are aligned, the engaging portion and the container-side engaging portion are engaged with each other. Attached container.

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