JP4951635B2 - Container with lid - Google Patents

Description

  The present invention relates to a container with a lid, and more particularly, to a container with a lid that is suitable for storing fresh food and placing it at a storefront so that a buyer can carry it as it is to a home and use it as it is on a table.

  As a container for fresh food, a lidded container comprising a thin plastic lid and a container body is known. There are also containers with a lid made of a transparent plastic, and there are containers with a lid on which a film on which a pattern is directly printed or an appropriate pattern is printed is laminated. In addition, in order to have high stability when placed in a state where food is stored, an inner peripheral wall standing upward from the outer peripheral edge of the bottom surface of the container, and a horizontal flange portion formed at the top of the inner peripheral wall A container with a lid is also known which has an outer peripheral wall extending downward from the outer peripheral edge of the flange portion, and when placed, the container main body is supported also at the lower end portion of the outer peripheral wall.

  Patent Document 1 describes a container with a lid in that form. The container with a lid includes a container main body and a lid, and the container main body has a bottom portion having a container-mounting surface and a leg portion provided at a corner portion thereof, and an inner side standing upward from an outer peripheral edge of the bottom portion. A peripheral wall, a horizontal flange portion formed on the top of the inner peripheral wall, and an outer peripheral wall extending downward from an outer peripheral edge of the flange portion, and the container mounting surface of the bottom portion is a bottom surface of the leg portion It is formed so as to be positioned further upward. And in patent document 1, the height of the leg part provided in the bottom face of the container main body is the drop of the central part of the container main body that is lowered by the weight of the container when the container is stored in the container main body. Made substantially equal. The total load of the stacked containers is reduced by the leg portions provided on the bottom surface and the center portion of the bottom surface of the container body lowered by storing the stored items coming into contact with the receiving surface such as the floor. It is described that the leg portions are not substantially deformed because they are supported by the leg portions and the central portion of the bottom surface, and an excessive load is not applied only to these leg portions.

Japanese Utility Model Publication No. 7-24731

  As a means for stabilizing the posture when stacked, a leg portion provided on the bottom surface and a central portion of the bottom surface of the container main body lowered by storing the accommodated item, such as a container described in Patent Document 1, are a floor or the like. It can be said that it is one of effective means to abut on the support surface. However, when storing fresh food such as sushi or sashimi in such a container, the bottom surface of the container body lowered by storing fresh food comes into contact with the floor, so that the stored fresh food and floor surface During this period, heat is easily transmitted, and heat on the floor surface is transmitted to fresh food, which may reduce the freshness of the fresh food.

  Further, when the bottom surface of the container main body is lowered by storing the stored items, the bottom surface is inclined, and the stored items may be biased in the container while the purchaser takes home.

  In addition, this type of container with a lid stores sushi, sashimi, etc. at the store and is placed in a refrigerated case, and the buyer can observe it and take it to the cash register. However, it is difficult to say that sufficient consideration has been given to the ease of work when placing in a refrigerated case and the ease of handling when the buyer holds the placed container with a lid.

  The present invention has been made in view of the above circumstances, can reduce the amount of heat conduction generated between the stored fresh food and the floor as much as possible, and maintain the freshness of fresh food over a long period of time. At the same time, it is a first object to provide a container with a lid that prevents the stored items from being biased in the container when the user takes it home. Another object of the present invention is to provide a lidded container that can be easily handled in a state where fresh food is stored.

  A container with a lid according to the present invention for solving the first problem includes a container body and a lid, and the container body has a bottom portion having an accommodation product placement surface and legs provided at corners thereof. An inner peripheral wall standing upward from the outer peripheral edge of the bottom part, a horizontal flange part formed at the uppermost part of the inner peripheral wall, and an outer peripheral wall extending downward from the outer peripheral edge of the flange part. The container mounting surface is a container with a lid positioned above the bottom surface of the leg portion, and rises upward from the outer peripheral edge of the container mounting surface on the inner peripheral wall where the leg portion is not positioned. The inner peripheral wall region is a curved surface region in which at least a part thereof bulges toward the accommodation product mounting surface side, and a plurality of ribs extending in the vertical direction are formed in the curved surface region. It is characterized by.

  In the container main body in the container with a lid described above, in the case of manufacturing the container main body with a material having a thickness that does not deform due to the weight of the stored product placed on the stored product placing surface, the contained product placing surface Even if an accommodation item is placed on the container, the accommodation item placing surface is not deformed, and problems such as inconvenience due to heat conduction and deviation of the accommodation item do not occur. However, making the container body from such a thick material may be heavy, and is not preferable in terms of handling in terms of cost.

  By making the container body from a thin material, weight reduction and cost reduction can be achieved. However, when the thickness is reduced, the bottom including the accommodation product placement surface is easily deformed due to the weight of the accommodation product placed on the accommodation product placement surface. In a container body provided with an inner peripheral wall that stands upward from the outer peripheral edge of the bottom, the amount of deformation of the bottom is also affected by the degree to which the inner peripheral wall is deformed by the load on the stored item placement surface. That is, if the deformation of the inner peripheral wall can be suppressed, the deformation amount of the bottom portion, that is, the stored product placement surface with respect to the same load can be suppressed to a smaller value.

  In the above-mentioned container with a lid according to the present invention, the inner peripheral wall of the container main body is at least partly in the region of the inner peripheral wall rising upward from the outer peripheral edge of the accommodation product placement surface where the leg portion is not located. The curved surface region bulges toward the accommodation product placement surface side, and a plurality of ribs extending in the vertical direction are formed in the curved surface region. By providing this configuration, the deformation of the inner peripheral wall that occurs when the same load is applied to the stored item placement surface can be suppressed to a smaller extent than when the inner peripheral wall is simply a flat inclined surface. .

  Accordingly, even when the container body is manufactured from a thin material from the viewpoint of weight reduction and cost reduction, the container with a lid according to the present invention can be loaded with a stored product by the stored product placed on the stored product placing surface. It is possible to effectively suppress the placement surface from being inclined downward, and as a result, it is possible to avoid the back surface of the stored item placement surface from being in contact with the floor surface. Therefore, it is possible to reduce the amount of heat conduction generated between the stored items and the floor as much as possible, and at the same time, it is possible to prevent the stored items from being biased in the container when taking them home. Thereby, the first problem according to the present invention is solved.

  In a preferred aspect of the container with a lid according to the present invention, the lower end portion of the outer peripheral wall provided on the container body is at least the same as the bottom surface position of the leg portion in a region facing the leg portion. In other areas, the position is higher than the bottom.

  In this aspect, the container body can be placed on the floor surface with a part of the lower end portion of the outer peripheral wall in contact with the floor surface, so the posture when placed on the floor surface is compared with the case where only the leg portion is used. And more stable. Further, the other region at the lower end of the outer peripheral wall is positioned higher than the bottom portion, and by inserting a fingertip into the space formed thereby, the container body can be easily grasped and held. And the portion of the inner peripheral wall that faces the space portion described above is a curved surface region that bulges toward the accommodation product placement surface side, and the fingertip can enter the region, so the container body is It is easier to grasp and hold one layer. That is, the second problem according to the present invention of facilitating handling in a state in which fresh food or the like is stored is solved by the container with a lid of this aspect according to the present invention.

In another aspect of the container with a lid according to the present invention, a plurality of concave portions and convex portions are formed on the accommodation product placement surface of the bottom portion of the container main body.
In this aspect, the convex portions can more effectively prevent the stored items such as stored sashimi from being biased when the items are taken home. Moreover, the said recessed part can store effectively juices, such as a drip which comes out of a stored item, and when the stored item is fresh food etc., the freshness can be kept longer.

  In still another aspect of the container with a lid according to the present invention, a rising rib continuous in the circumferential direction is formed around the accommodation product mounting surface at the bottom of the container body, and the inner peripheral wall is formed of the rising rib. Stands upward from the outside.

  In this aspect, in addition to more effectively suppressing the bottom of the container body from being deformed by the rising rib, the outer peripheral portion of the container body such as a leg portion from which the juice such as drip that comes out of the contained article can be easily seen from the outside. Can be prevented from flowing out. Thereby, the commercial value in the store of the container with a lid by the present invention which stored fresh food etc. can be raised further.

In still another aspect of the lidded container according to the present invention, an outer fitting portion, an inner fitting portion, or an inner / outer fitting portion is formed on the peripheral edges of the container body and the lid that are engaged with each other when closed.
In this aspect, it is possible to effectively prevent the lid from being inadvertently detached from the container body. In particular, when the inner fitting portion or the inner and outer fitting portions are formed, the sealing performance of the lidded container can be further improved as compared with the case where the outer fitting portion is formed. Further, when such a fitting structure is adopted, when the lid is closed, there is a possibility that a part of the accommodated item is bitten by the fitting part. However, the container body according to the present invention is mounted on the inner peripheral wall. Since the curved surface region bulging toward the placement surface side is formed, and the plurality of ribs extending in the vertical direction are formed in the curved surface region, the contained product is placed along the inner peripheral wall surface. As a result, the possibility that the stored item stays in the fitting part between the container main body and the lid body is reduced, and it is effective that a part of the stored item is bitten by the fitting part. Can be prevented.

  In the container with a lid according to the present invention, although not limited, it is a preferable aspect that both the container body and the lid are made of transparent plastic. In this aspect, the purchaser can easily see the stored items. Therefore, when the stored item is an ingredient that emphasizes the appearance as well as the quality, such as sushi and sashimi, the buyer has a good impression. As a result, it is possible to further increase the commercial value of the lidded container according to the present invention containing fresh food and the like at the store.

  The container with a lid according to the present invention is preferably made of a thin plastic for both the container body and the lid. In manufacturing, a sheet made of a thermoplastic synthetic resin is formed by, for example, vacuum forming, pressure forming, vacuum / pressure forming, or press forming. There are no particular restrictions on the thermoplastic synthetic resin, but practically, for example, olefin plastics such as polyethylene and polypropylene, acrylonitrile plastics such as polymethyl methacrylate and acrylonitrile resin, polyvinyl chloride, polyvinyl acetate, polyvinyl alcohol and poly Vinyl plastics such as vinylidene chloride, styrene plastics such as polystyrene and acrylonitrile / styrene resin, and aromatic polyesters such as polyethylene terephthalate are preferably used. Furthermore, a stretched sheet obtained by stretching these sheets is preferable.

  In the container with a lid according to the present invention, fine undulations in the vertical direction are given to the peripheral edge of the outer peripheral wall and the peripheral edge of the lid in the container main body as described in JP-T-2004-13003. May be. In this aspect, the safety for hands and fingers when handling a container with a lid can be made higher.

  In the container with a lid according to the present invention, when the containers with the lid are stacked with the lids, the legs enter the upper surface of the lid where the legs formed on the bottom of the container body are located. A recess may be formed. In this aspect, when the containers with lids are stacked in multiple stages, it is possible to reliably prevent the displacement between the containers with lids, and the handling of the containers with lids stacked in multiple stages becomes easy.

  According to the present invention, when the stored product is a fresh food, it is possible to maintain the freshness of the fresh food over a long period of time by reducing the heat conduction amount generated between the stored fresh food and the floor as much as possible. Thus, a container with a lid is obtained in which the stored items are prevented from being unintentionally biased in the container when the user takes it home. Moreover, the container with a lid | cover made easy to handle in the state which accommodated the accommodation goods is obtained.

The perspective view which shows one Embodiment of the container with a lid | cover by this invention in the state which isolate | separated the cover body and the container main body. The perspective view which shows the container with a lid shown in FIG. 1 in the state which covered the container main body. The top view of a container main body. Sectional drawing by the AA of FIG. Schematic for showing the other fitting form of a container main body and a cover body.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The container 5 with a lid includes a container body 1 and a lid 3. In the illustrated example, the container body 1 and the lid body 3 are both sheet-shaped articles made of a transparent polyethylene terephthalate sheet having a rectangular shape in plan view and a thickness of about 0.1 to 0.5 mm. However, the present invention is not limited to this, and an appropriate plastic sheet having an appropriate thickness can be used as a material.

  The container body 1 includes a bottom portion 10 having a stored product placement surface 11 and leg portions 12 provided at the four corners thereof, an inner peripheral wall 13 rising upward from an outer peripheral edge of the bottom portion 10, and the inner peripheral wall. 13 is provided with a horizontal flange portion 14 formed at the top of 13 and an outer peripheral wall 15 extending downward from the outer peripheral edge of the flange portion 14. In the bottom portion 10, the accommodation product placement surface 11 is positioned above the bottom surface 12 a of the leg portion 12. Further, since the corner portion of the leg portion 12 is likely to become a dead space, a bulging portion 26 bulged toward the accommodating portion side for preventing this may be provided (see FIG. 4).

  Further, the four-round region rising upward from the outer peripheral edge of the accommodation product placement surface 11 where the leg portion 12 is not located in the inner peripheral wall 13 is a curve that bulges toward the accommodation product placement surface 11 side. The curved surface region 16 is formed with a plurality of ribs 17 extending in the vertical direction. In the illustrated example, the curved surface region 16 is the entire region where the leg portion 14 is not formed on the inner circumferential wall 13 of four rounds, but a part of the region is the curved surface region 16. Also good. The number and shape of the ribs 17 are also arbitrary.

  In the illustrated example, the lower end portion of the outer peripheral wall 15 provided in the container body 1 has a stepped portion. That is, the ground contact area 18 is formed at the four corners of the container body 1, and the area between the floor ground areas 18, 18 is a lift area 19 at a higher level. The floor grounding region 18 is a region facing the leg 12, and is a position that is slightly lower than the level of the bottom surface 12 a of the leg 12. Is also considered a higher position. In the illustrated example, the level of the floor ground contact region 18 of the outer peripheral wall 15 and the level of the bottom surface 12a of the leg portion 12 are depicted as the same level. In the lidded container 5 according to the present invention, the lifting region 19 can be omitted.

  In the illustrated one, a plurality of convex portions 20 and concave portions 21 are formed on the accommodation product placement surface 11 in the bottom portion 10 of the container body 1. Further, a rising rib 22 that is continuous in the circumferential direction is formed around the accommodation product placement surface 11, and the inner peripheral wall 13 stands upward from the outside of the rising rib 22. The shape and number of the convex portions 20 and the concave portions 21 are arbitrary, and may be set as appropriate according to the type, number, size, and the like of the accommodated item to be accommodated.

  Furthermore, in the container main body 1 shown in the figure, a fine waviness shape 23 in the vertical direction is given to the peripheral portion of the outer peripheral wall 15 as described in JP-T-2004-13003. More specifically, the waviness shape 23 has a peak-valley difference in the range of 0.2 to 1.0 mm, and a pitch (interval between peaks and peaks or an interval between valleys and valleys) of 0.5 to 5 mm. It is preferable that the swell shape is a range. Further, an appropriate number of concave grooves 24 extending in the horizontal direction are formed in the upper edge portion of the outer peripheral wall 15 of the container main body 1 and used as an outer fitting portion with the lid 3.

  Next, the lid 3 will be described. The lid 3 has a height corresponding to the height of the accommodated item accommodated in the container main body 1, and the upper edge of the outer peripheral wall 15 of the container main body 1 is provided at four lower edges of the lid 3. An outer fitting portion 31 having a size that fits to the outer portion is formed. Further, when the lid is closed, the position facing the concave groove 24 formed on the upper edge of the outer peripheral wall 15 of the container body 1 is directed toward the ground side among the sizes and dimensions that can be fitted into the concave groove 24. Convex grooves 32 are formed. Furthermore, the same fine swell shape 23 in the vertical direction as that formed on the peripheral edge of the container body 1 is also attached to the peripheral edge of the outer fitting portion 31, that is, the peripheral edge of the lid 5.

  In the illustrated example, the leg 12 formed on the bottom of the container body 1 is located at the corner of the top surface 33 of the lid 3 when the lidded containers 5 are stacked in a covered state. A recessed portion 34 into which the leg portion 12 enters is formed at the position. Further, the peripheral wall 35 is formed as an inclined surface having a divergent shape, and an appropriate number of protrusions 36 are formed at the lower end thereof. The protrusion 36 prevents the adjacent lids 3 from coming into close contact with each other when a large number of the lids 3 are stocked in a stacked state. Further, a tongue piece 37 is formed at one corner at the lower edge of the outer fitting portion 31 to facilitate the removal of the lid 3 fitted to the container body 1. Moreover, although not shown in figure, you may provide the inclined surface for sticking a display label etc. so that the top surface 33 of the cover body 3 and a part of surrounding wall 35 may be covered.

  In using the lidded container 5, an appropriate number of stored items (not shown) are stored in the stored item mounting surface 11 of the container body 1. For example, when the stored item is sushi or sashimi, it can be stored in a posture that does not inadvertently shift by using the convex portion 20 formed in the stored item placing surface 11. In addition, when the stored item has a property of taking out juice such as drip over time, the juice can be temporarily stored in the recess 21 and the freshness of fresh food can be kept longer. . Usually, since a material such as a radish cut into a thin portion in the stored product placement surface 11 is placed underneath, the juice or the like remaining in the recess 21 is not visible from the outside. Even if the soup spreads in the stored product placement surface 11, the soup is prevented from flowing out by the rising ribs 22 formed in the periphery in the circumferential direction. As a result, it is possible to avoid outflow of juice or the like to places that are easily visible from the outside, such as the lower edge of the inner peripheral wall 13 or the leg portion 12, and give a positive impression to the purchaser. it can. As a result, it is possible to increase the commercial value of the container with a lid that stores fresh food and the like at the store.

  When a required number of stored items are stored, a downward load is applied to the bottom 10 of the container body 1. In the container main body 1 according to the present invention, as described above, a part of the inner peripheral wall 13 is the curved surface region 16 that bulges toward the accommodation product placement surface 11 side, and the curved surface region 16 has a vertical direction. Since the plurality of extending ribs 17 are formed, the deformation that occurs when the same load is applied to the stored product placement surface 11 is suppressed to a smaller extent than when the inner peripheral wall is simply a flat inclined surface. The The deformation is further effectively prevented by forming the rising rib 22 continuous in the circumferential direction around the accommodation product placement surface 11.

  Thereby, in the container 5 with a lid according to the present invention, even when it is manufactured from a thin material from the viewpoint of weight reduction and cost reduction, the stored product placement surface 11 is inclined downward by the placed stored product. It can be avoided that the container 5 with lid is placed on the floor surface, and the back surface of the stored item placement surface 11 is not in contact with the floor surface. As a result, it is possible to reduce the amount of heat conduction generated between the accommodated item and the floor as much as possible. In addition, since the inclination of the stored product placement surface 11 can be suppressed, it is possible to prevent the stored product from being biased within the container main body 1 when being taken home.

  After the accommodated item is stored in the container body 1, the lid 3 is attached. In this example, the container body 1 and the lid body 3 are formed with the outer fitting concave groove 24 and the convex groove 32, so that the lid body 3 is securely attached to the container main body 1 in the outer fitting state. Can do. When removing the lid, the tongue piece 37 can be used for easy removal. Further, when the lid 3 is used, a part of the stored product may be bitten by the outer fitting portion. However, the container main body 1 according to the present invention has the stored product mounting surface on the inner peripheral wall 13 as described above. 11 is formed, and the curved surface region 16 is formed with a plurality of ribs 17 extending in the vertical direction. Therefore, the accommodated item is accommodated along the inner peripheral wall surface 16. It becomes easy to fall by sliding toward the mounting surface 11. Therefore, the possibility that the accommodated item stays in the outer fitting portion is reduced, and it is possible to avoid part of the accommodated item from being caught in the outer fitting portion when the lid is put on.

  The lidded containers 5 that store the stored items are arranged in the store. In the container 5 with a lid according to the present invention, the container body 1 can be placed on the floor surface in a state where the above-mentioned floor grounding region 18 of the outer peripheral wall 15 is in contact with the floor surface in addition to the bottom surface 12a of the leg portion 12. The posture when placed on the floor surface is more stable than the case of using only the legs.

Further, the other region of the lower end of the outer peripheral wall 15, that is, the above-described lifting region 19 is positioned higher than the bottom 10 of the container body 1, so that a fingertip can be inserted when placed on the floor surface. A space 25 is formed. Therefore, it becomes easy to grasp and hold the container body 1. Furthermore, the portion of the inner peripheral wall 13 that faces the space 25 is a curved surface region 16 that bulges toward the accommodation product placement surface 11 as described above, and a fingertip may enter that region. As a result, the container body 1 can be easily grasped and held easily.
For this reason, the lidded container 5 of this aspect according to the present invention also provides an advantage that handling in a state in which fresh food is stored is extremely easy.

  In the above-mentioned container 5 with a lid, the lid 3 is externally fitted to the container body 1 by a partially formed concave groove 24 and convex groove 34. However, the concave groove 24 is provided over the entire circumference. And the convex groove 34 can be formed and it can also be set as the external fitting over a perimeter. Further, as shown in FIG. 5 (a), the lid body 3 can be internally fitted to the container body 1, and furthermore, as shown in FIG. 5 (b), both are fitted inside and outside. It can also be set as the form to do.

1 ... Container body,
3 ... the lid,
5 ... Container with lid,
10 ... Bottom,
11: Storage surface for stored items,
12 ... Legs,
12a ... the bottom of the leg,
13 ... Inner peripheral wall,
14 ... Horizontal flange,
15 ... outer peripheral wall,
16 ... curved surface area,
17 ... ribs,
18 ... floor grounding area,
19 ... Lifting area,
20 ... convex part,
21 ... recess,
22 ... A rising rib continuous in the circumferential direction,
23: Fine undulations in the vertical direction,
24 ... concave groove,
25 ... a space where you can put your fingertips,
26 ... the bulging part 31 formed in the leg part ... the outer fitting part,
32 ... convex grooves,
33 ... the top of the lid,
34 ... concave fitting,
35 ...
36 ... protrusions,
37 ... tongue.

Claims (6)

The container body is composed of a container body and a lid, and the container body includes a bottom portion having a container-mounting surface and a leg portion provided at a corner portion thereof, an inner peripheral wall standing upward from an outer peripheral edge of the bottom portion, and the inner peripheral wall A horizontal flange portion formed at the top of the flange portion and an outer peripheral wall extending downward from the outer peripheral edge of the flange portion, and the container mounting surface of the bottom portion is positioned above the bottom surface of the leg portion. In the lidded container
The curved surface in which at least a part of the inner peripheral wall region rising upward from the outer peripheral edge of the accommodation product placement surface on which the leg portion is not located on the inner circumference wall bulges toward the accommodation product placement surface side. A container with a lid, wherein a plurality of ribs extending in a vertical direction are formed in the curved surface area.   The lower end portion of the outer peripheral wall provided in the container body is at least the same position as the bottom surface position of the leg portion in a region facing the leg portion, and is slightly lower than the bottom portion in other regions. The container with a lid according to claim 1, wherein the container is in an upper position.   The container with a lid according to claim 1, wherein a plurality of concave portions and convex portions are formed on the accommodation product mounting surface in the bottom portion of the container main body.   A rising rib that is continuous in a circumferential direction is formed around the accommodation product placement surface at the bottom of the container body, and the inner peripheral wall stands up from the outside of the rising rib. The container with a lid according to any one of claims 1 to 3.   5. An outer fitting portion, an inner fitting portion, or an inner / outer fitting portion is formed on the peripheral edges of the container body and the lid that are engaged with each other when closed. The container with a lid according to item.   The container with a lid according to any one of claims 1 to 5, wherein the container body and the lid are both made of transparent plastic.

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