JP2021133993A - Collective packaging container - Google Patents

Abstract

To propose a collective packaging container that is unlikely to transmit vibration and shock directly to fruits stored in trays and that can store trays of different sizes.SOLUTION: A collective packaging container 1 consists of an approximately rectangular-shaped box with an open upper surface to hold trays. A protruding portion 4, which protrudes to an inner surface side of a side wall 3 constituting the box, is formed. A step portion 5 is formed at the upper end of the protruding portion. The collective packaging container 1 is configured to support flanges of trays of different sizes on an upper surface 5A and a lower surface 5B of the step portion so that each tray can be stored and held.SELECTED DRAWING: Figure 4

Description

The present invention relates mainly to a collective packaging container suitable for transporting soft fruits such as strawberries, grapes, cherries, loquats and strawberry.

Conventionally, soft fruits such as strawberries, grapes, cherries, biwa, and strawberry are sold in trays (thin-walled resin molded containers) in appropriate amounts according to the sales unit at retail stores.
Considering the handleability and transportation cost of the trays packed with strawberries and the like, it is desirable to bundle them in multiple units rather than one by one and ship as many quantities as possible at one time.
Therefore, a plurality of the above trays are put together and stored in a collective packaging container such as a corrugated cardboard box or a resin container having a larger capacity and shipped. It can be handled (see, for example, Patent Document 1).

Further, in recent years, a box body having an open upper surface and an aggregate packaging container made of a foamed particle molded body of a thermoplastic resin in which a partition portion for dividing the inside is integrally formed, the above-mentioned box body has been used. A collective packaging container has been developed in which a protruding portion is formed on the inner surface side of the constituent side wall, the flange portion of a tray packed with fruits stored in the protruding portion and the partition portion is supported, and the tray is stored and held in a suspended state. (See Patent Document 2).
Since such a collective packaging container is integrally formed of a foamed particle molded body of a thermoplastic resin, it does not need to be assembled and is lightweight, and the pulp of strawberries, buttocks, loquats, cherries, strawberry, etc. Since a tray packed with soft fruits can be floated and transported in a container in a suspended state, it is difficult for vibrations and shocks to be directly transmitted to the fruits, and damage to the fruits can be prevented as much as possible. It was a thing.

Jikkai Sho 58-52122 JP-A-2015-40050

On the other hand, recently, trays such as strawberries are used to store fruits in addition to regular multi-tiered trays (hereinafter sometimes referred to as "deep trays") so that the fruits look good and are not damaged. Flat trays for stacking (hereinafter sometimes referred to as "shallow trays") are also becoming popular. In order to store trays of each size, a collective packaging container having a shape and size suitable for a plurality of types of trays is required, and inventory management thereof has become complicated.

The present invention has been made in view of the actual situation of the background technology described above, and an object of the present invention is to store trays of different sizes in which vibration and shock are not easily transmitted directly to the fruits stored in the tray. It is to propose a collective packaging container that can be done.

In order to achieve the above-mentioned object, the present invention uses the collective packaging container described in the following [1] to [8].
[1] A collective packaging container having a substantially rectangular parallelepiped-shaped box body having an open upper surface and accommodating trays. A protruding portion is formed on the inner surface side of a side wall constituting the box body, and an upper end of the protruding portion is formed. A step portion is formed on the surface of the tray, and the upper surface and the lower surface of the step portion are configured to support the flange portions of trays of different sizes so that the respective trays can be stored and held. , Collective packaging container.
[2] In the box body, a partition portion for dividing the inside is formed, and a step portion is also formed at the upper end of the partition portion, and trays having different sizes on the upper surface and the lower surface of the step portion are formed. The collective packaging container according to the above [1], which is configured to support each of the flange portions and store and hold each tray.
[3] The upper surface and the lower surface of the step portion are formed by being connected by a tapered inclined surface that expands upward, and the tray can be stored and held by supporting the flange portion of the tray even on the inclined surface. The collective packaging container according to the above [1] or [2], which is configured as described above.
[4] Support the flange portion of the deep tray on the upper surface of the step portion, support the flange portion of the shallow tray on the lower surface and / or the inclined surface of the step portion, and store and hold each tray. The collective packaging container according to the above [3], which is characterized by being configured.
[5] The inside of the box is characterized in that it can store n pieces (n is an integer of 1 or more) in the case of a shallow tray and 2n pieces in the case of a deep type tray. The collective packaging container according to any one of the above [1] to [4].
[6] The collective packaging according to any one of [1] to [5] above, wherein protrusions for preventing displacement of the four corners of the deep tray are formed on the upper surface of the step portion. container.
[7] Two of the side wall portions on the short side near at least one corner of the four corners of the box and the side wall on the long side near the corners diagonally thereof. Any of the above [1] to [6], characterized in that a fitting groove into which the side wall of the other party is fitted is formed when the opening directions of the collective packaging containers are oriented and the side walls of the other party are overlapped with each other. Collective packaging container described in.
[8] The above-mentioned [1] to the above, wherein the box body is made of a foamed particle molded product, the resin constituting the foamed particle molded product is a styrene resin, and the foaming ratio is 30 to 80 times. The collective packaging container according to any one of [7].

According to the collective packaging container according to the present invention described above, a protrusion is formed on the inner surface side of the side wall constituting the box body, and a step portion is formed on the upper end of the protrusion, and the upper surface of the step portion is formed. Since it is configured to support the flanges of trays of different sizes on the lower surface and the lower surface so that each tray can be stored and held, it is difficult for vibrations and shocks to be directly transmitted to the fruits placed in the trays, and the fruits are damaged. Can be prevented as much as possible, trays of different sizes can be stored, the number of types of collective packaging containers to be prepared is reduced, and inventory management and the like can be facilitated.

It is a perspective view which showed one Embodiment of the collective packaging container which concerns on this invention. 1A and 1B are views of the container, where FIG. 1A is a plan view, FIG. 1B is a right side view, and FIG. 1C is a front view. FIG. 2 is an enlarged cross-sectional view of a portion of FIG. 2A along the line I-I. FIG. 5 is a plan view showing a state in which one deep tray and one shallow tray of strawberries are stored in the container shown in FIG. FIG. 5 is a vertical cross-sectional view showing a state in which one deep tray and one shallow tray of strawberries are stored in the container shown in FIG.

Hereinafter, the above-described embodiment of the collective packaging container according to the present invention will be described in detail with reference to the drawings.

The collective packaging container 1 according to the present invention is made of a box body having a substantially rectangular parallelepiped shape with an open upper surface.

The collective packaging container 1 according to the illustrated embodiment has a box body having a long side length (L) of 371 mm, a short side length (W) of 269 mm, and a height (H) of 85 mm. The inside of the box is divided by a partition 2 so that two shallow trays T and four deep trays T can be stored (see FIGS. 4 and 5). It should be noted that the above-mentioned shape and dimensions of the collective packaging container 1, the presence or absence of the partition portion 2, and the method of internal division by the partition portion 2 are merely examples, and the present invention is limited to any description. For example, if the inside of the box is a shallow tray, n pieces (n is an integer of 1 or more) can be stored, and if it is a deep type tray, 2n pieces can be stored. It is also possible to provide a part and divide it.

The shallow tray is often characterized in that, for example, the height is lower, the length and width are wider, and the flange portion is shorter than that of a normal tray. Examples of such shallow trays include large trays having a length of 190 to 225 mm, a width of 130 to 150 mm, and a height of 20 to 35 mm. Specifically, a shallow tray packed with strawberries. [The length between the ends of the flange (length in the long side of the tray) is about 205 mm, the width (length in the short side of the tray) is about 115 mm, and the height from the lower end of the flange to the lower end of the bottom is About 23 mm].
On the other hand, as the deep tray, for example, a deep and small tray having a length of 155 to 170 mm, a width of about 105 to 120 mm, and a height of 35 to 40 mm can be mentioned. Mold tray [The length between the ends of the flange (length in the long side of the tray) is about 165 mm, the width (length in the short side of the tray) is about 115 mm, and the height from the lower end of the flange to the lower end of the bottom. The size is about 40 mm].

The arrangement of the shallow tray and the deep tray in the box is such that one shallow tray can store one and two deep trays can be stored as one unit. It can be mentioned that the long side direction of the shallow tray storage portion is directed to the short side direction of the deep tray with respect to the storage portion, and the two deep tray storage portions are arranged side by side. A box body can be formed by combining a plurality of units with such an arrangement as one unit.
In the collective packaging container 1 according to the illustrated embodiment, which can store two shallow trays and four deep trays, the shallow tray t is stored in a rectangular box when viewed from above. The portions are arranged in two rows one by one in the longitudinal direction of the box body, and the short sides of the box body and the long sides of the respective shallow trays are arranged so as to be lined up. On the other hand, the storage portions of the deep tray T are arranged so that two rows and two are arranged in the longitudinal direction of the box body, and the long sides of the box body and the long sides of the respective deep trays are arranged side by side. The flange portion of the deep tray is supported on the upper surface of the stepped portion of the protruding portion 4 and / or the partition portion 2 described later so that the shallow tray and the deep tray have the above-mentioned arrangement relationship, and the lower surface and the deep tray are supported. / Or a step portion is formed so as to support the flange portion of the shallow tray on the inclined surface (see FIGS. 4 and 5).

A protruding portion 4 is formed on the inner surface side of the side wall 3 constituting the box body. The protruding portion 4 is formed for the purpose of improving the strength of the box body and for supporting the flange portion of the stored tray. From the viewpoint of improving the strength of the box body and preventing deformation of the box body, it is preferable that the projecting portions 4 are formed at all four corners on the inner surface side of the side wall 3 constituting the box body. On the other hand, when considering the improvement of cooling efficiency by ventilation inside the box body, a protruding portion 4 is intermittently formed on the inner surface side of the side wall 3 constituting the box body, and a portion having a gap between the box body and the supporting tray is formed. It is preferably formed. From both of the above viewpoints, the projecting portion 4 is formed on the inner surface side of all the four corners of the side wall 3 of the box body in an L shape when viewed from above, and the side wall and / or length on the short side side of the box body. It is more preferable that the side wall is formed intermittently on the inner surface side. In the illustrated embodiment, L-shaped protrusions 4A are formed on the inner surface side of all the four corners of the side wall 3 of the box body, and the side wall 3A on the short side side except for the joint groove described later. A continuous protrusion 4B is formed on the inner surface side of the entire width, and an intermittent protrusion 4C is formed on the inner surface side of the side wall 3B on the long side.

The ratio (h / H) of the height (h) of the protrusion 4 to the side wall height (H) of the box is preferably 0.4 to 0.8, preferably 0.5 to 0.7. More preferably. This means that if the ratio (h / H) is within the above range, the strength of the side wall is improved while holding the tray, and the stackability is excellent.
The thickness (d) of the protruding portion 4 formed on the inner surface side of the side wall is preferably 8 mm or more, more preferably 13 mm or more, further preferably 15 to 30 mm, and 16 to 30 mm. It is particularly preferably 25 mm. Within the above range, it is easy to form a step portion to be described later at the upper end of the projecting portion 4, and to support trays of different sizes on the upper surface and the lower surface of the step portion. The strength of the side wall can be increased.

The inside of the box is divided into storage chambers for storing trays by a partition 2 as needed. The partition portion 2 is preferably formed intermittently inside the box body in consideration of cooling efficiency. Then, as shown in FIGS. 4 and 5, the partition portion 2 and the above-mentioned protruding portion 4 support the flange portion of the stored strawberry packing tray, and the tray is suspended in the air (the tray is suspended on the bottom wall). It can be stored and held in the container 1 (with the bottom surface not in contact).

The upper surface of the protruding portion 4 and the partition portion 2 provided as needed is cut out, and step portions 5 are formed at the upper ends of the protruding portion 4 and the partition portion 2, respectively. Then, the upper surface 5A on the upper stage side and the lower surface 5B on the lower stage side of the step portion 5 are configured to support the flange portions of trays of different sizes so that each tray can be stored and held in a suspended state. There is. Therefore, it is preferable that at least two opposing sides of the tray are held by the step portion 5. Further, in the collective packaging container 1 according to the illustrated embodiment, a one-step step portion 5 is formed at the upper end of the protruding portion 4 and the partition portion 2, and is above the one-step step portion 5. The direction 5A supports the flange portion F of the deep tray T, and the lower surface 5B supports the flange portion f of the shallow tray t (see FIGS. 4 and 5).
Two or more step portions 5 are formed at the upper ends of the projecting portion 4 and the partition portion 2, and the upper and lower surfaces of the step portions 5 are configured to support the flange portions of trays of different sizes. , May accommodate more trays of different sizes.

In the collective packaging container 1 according to the illustrated embodiment, the flange portion F of the deep tray T and the upper surface 5A on the upper stage side of the step portion 5 that supports the deep tray T correspond to each other. , The deep tray T can be suspended in the air. On the other hand, since the flange portion f of the shallow tray t and the lower surface 5B on the lower side of the step portion 5 that supports the shallow tray correspond to each other, the shallow tray t can be suspended in the air. (See FIGS. 4 and 5). With such a configuration, both the deep tray T and the shallow tray t can be held in a suspended state. Then, while overlapping the storage portions of the deep tray and the shallow tray to effectively utilize the space, a holding portion of the tray flange portion having a multi-stage structure is formed, and the holding portion of the flange portion of the shallow tray is placed on the lower stage side. By setting the holding portion of the flange portion of the deep tray to the upper stage side, it is possible to efficiently hold trays of different sizes in a suspended state.

The protrusion 4 and the upper surface 5A and the lower surface 5B of the step portion 5 formed at the upper end of the partition portion 2 are connected by a tapered inclined surface 5C that expands upward. preferable. The inclined surface 5C can also be configured to support the flange portion of the tray.
In particular, as shown in FIG. 3, when the flange portion f of the shallow tray t is supported by the inclined surface 5C, the inclined surface 5C stabilizes the flange portion of the shallow tray having slightly different shapes and dimensions. It can be supported and stored. Therefore, in the shallow tray, not only the lower surface 5B but also the inclined surface 5C can support the flange portion of the shallow tray, and can store shallow trays having more shape standards. Is preferable.
The inclination angle (θ) of the inclined surface 5C is preferably 20 to 50 degrees, more preferably 25 to 40 degrees from the above viewpoint. In the collective packaging container 1 according to the illustrated embodiment, the inclination angle (θ) of the inclined surface 5C is formed at 30 degrees, and the inclined surface 5C also supports the flange portion f of the shallow tray t. It is configured (see FIG. 3).
From the above viewpoint, it is preferable that the inclined surface 5C is formed at all points of the step portion.

Further, it is preferable that protrusions 6 are formed at appropriate positions on the upper surface 5A of the step portion 5 described above in order to prevent the four corners of the placed tray from being displaced. In the collective packaging container 1 according to the illustrated embodiment, the upper surface 5A of the step portion 5 located on the inner surface side of the intermediate position in the length direction of the side wall 3A on the short side and the side wall 3B on the long side, respectively. The protrusions 6A and 6B for preventing the displacement are formed at the position and the position of the upper surface 5A of the step portion 5 located at the center position of the partition portion 2, respectively, to prevent the deep tray T placed on the tray T from being displaced. ..

Two of the collective packaging containers are provided on the side wall on the short side near at least one of the four corners of the box and on the side wall on the long side near the corner at the diagonal position. It is preferable that the joint groove 7 is provided so that the side wall portions of the two can be fitted into each other when they are overlapped with each other so as to face each other in the opening directions. More specifically, the side wall 3B on the long side and the side wall 3B on the long side are located on the side wall on the short side at a distance exceeding the thickness of the side wall from the apex of at least one of the four corners of the box. A fitting groove 7A having a shape dimension into which the protruding portion 4C formed on the inner surface side of the above is fitted is provided, and the length at a position separated from the apex of the four corners diagonally by a distance exceeding the thickness of the side wall. It is preferable that the side wall portion on the side side is provided with a fitting groove 7B having a shape dimension into which the side wall 3A on the short side and the protruding portion 4B formed on the inner surface side of the side wall 3A are fitted.

When the above-mentioned fitting grooves 7A and 7B are overlapped with the opening directions of the two packaging containers facing each other and slightly offset from each other, the fitting grooves 7A and 7B on the short side side wall of one box and the other are placed on the fitting groove 7A. The side wall 3B on the long side of the box and the protruding portion 4C formed on the inner surface side of the side wall 3B are fitted, and the short side of the other box is fitted into the fitting groove 7B of the side wall on the long side of one box. The side wall 3A on the side surface and the protruding portion 4B formed on the inner surface side of the side wall 3A fit into the side wall 3A. As a result, the stacking height of the two collective packaging containers can be lowered, and the transportation and storage space when not in use can be reduced.

Further, it is preferable that a plurality of notched recesses 8 are formed in the side wall 3 of the box body. In the illustrated embodiment, one notch recess 8 is formed at the upper end of the side wall 3B on the long side at the intermediate position in the length direction. The notch recess 8 acts as a ventilation portion, and can improve the cooling efficiency when the collective packaging containers are stacked and stored in the refrigerator. The fitting groove 7 formed in the side wall 3 also acts as a ventilation portion.

Further, it is preferable that the bottom wall 9 constituting the box body is formed with a through hole 10 for ventilation. It is more preferable that the through holes 10 are arranged on the bottom wall of the portion divided by the partition portion 2, and a plurality of the through holes 10 are formed in consideration of cooling efficiency. The shape of the through hole 10 is not particularly limited, but may be a quadrangular shape as shown, or may be another circular shape, a triangular shape, or the like. The through hole 10 can be provided in various shapes and dimensions depending on the purpose required for the collective packaging container. The size of the through hole 10, from the viewpoint of air permeability is preferably 10～250Cm ^2, more preferably 20～200Cm ^2, more preferably be holes sized 30~100cm ^2. On the other hand, the push-up by the air flow from the bottom, and from the viewpoint of the bottom wall strength, it is preferable that the through-hole 10 is one that hole size is small, is preferably 1 to 100 cm ^2, is 5～70Cm ² More preferably, the hole has a size of 10 to 50 cm ^{2. In the collective packaging container 1 according to the illustrated embodiment, eight 20 cm 2} square through holes 10 are formed in the bottom wall 9 in consideration of pushing up by the air flow from the bottom and the strength of the bottom wall. bottom. Further, in the collective packaging container 1 according to the illustrated embodiment, a notched step portion 10A is formed on the upper surface around the through hole 10 from the viewpoint of air permeability. Due to the formation of the notch step portion 10A, even if the through hole 10 itself has a small size or the tray is deep and the tray contacts the bottom wall 9, it can be connected to the bottom surface of the stored tray. A gap is secured between them, and the container has good air permeability and cushioning properties.

A protruding step portion 11 is formed on the lower surface of the bottom wall 9 of the box body, and an engaging recess 12 with which the protruding step portion 11 engages is formed on the upper end surface of the side wall 3 to be opened. Then, by engaging and stacking the protruding step portion 11 of the upper container 1 with the engaging recess 12 of the lower container 1, the container 1 can be stably stacked in multiple stages.

The material constituting the collective packaging container 1 according to the present invention having the above-described configuration is not particularly limited, but is preferably made of a foamed molded product of a thermoplastic resin. In this case, the thermoplastic resin is not limited, but for example, a styrene resin such as rubber-modified polystyrene or polystyrene, an olefin resin such as a polyethylene resin or a polypropylene resin, a styrene resin containing styrene as a main component, and an olefin resin. Examples include composite resins made of resins, and among these, styrene-based resins are preferable because they are easily foamed and have high rigidity. Further, as the form of the foamed molded product, a foamed particle molded product obtained by filling a mold with foamed particles and heat-molding is preferable because even a container having the above-mentioned complicated shape or a large shape can be easily manufactured. .. In this foamed particle molded body, for example, resin particles are impregnated with a foaming agent to prepare foamable resin particles, and the foamable resin particles are foamed to obtain foamed particles, and the foamed particles are placed in a mold having a predetermined shape. It can be obtained by filling it in a mold and heating it with steam or the like to fuse the foamed particles and mold them in a mold.

When the collective packaging container 1 of the present invention is composed of a styrene-based resin foamed particle molded body, the foaming ratio thereof is preferably 30 to 80 times, more preferably 40 to 70 times, and 50 to 50 times. It is particularly preferable that it is 60 times. If it is within the above range, it is excellent in cushioning property and cushioning property, as well as excellent compression resistance and shape retention property, and is excellent as a collective packaging container for loading. Further, in such a foamed particle molded body having a foaming ratio, even when the flange portion of the tray is supported by the inclined surface, the flange in contact with the skin surface which is the surface of the foamed particle molded body does not slip and the tray. Can be prevented from shifting.

Although the embodiment of the collective packaging container according to the present invention has been described above, the present invention is not limited to the above-described embodiments, and the scope of the technical idea of the present invention described in the claims. It goes without saying that it is possible to make an embodiment in which various modifications are made.

The collective packaging container according to the present invention described above is capable of storing trays of different sizes, because vibration and impact are not easily transmitted directly to the packed trays of strawberries and the like. It can be suitably used for transporting soft fruits such as cherries, biwa and strawberries.

1 Collective packaging container 2 Partition 3 Side wall 3A Short side side wall 3B Long side side wall 4 Protruding part 4A Top view L-shaped protruding part formed at four corners 4B Short side side wall Continuous protrusion 4C Intermittent protrusion formed on the side wall on the long side 5 Step 5A Upper surface of the step 5B Lower surface of the step 5C Inclined surface between the upper and lower surfaces 6 Tray Protrusion for preventing misalignment 6A Protrusion for preventing misalignment of the tray formed on the protrusion 6B Protrusion for preventing misalignment of the tray formed on the partition 7 Fitting groove 7A Fitting formed on the side wall on the short side Groove 7B Fitting groove formed on the side wall on the long side 8 Notch recess 9 Bottom wall 10 Through hole 10A Notch step 11 Protruding step 12 Engagement recess t Shallow tray f Shallow tray flange T Deep tray F Deep tray flange

Claims (8)

A collective packaging container having a substantially rectangular parallelepiped-shaped box body having an open upper surface and accommodating trays. A protruding portion is formed on the inner surface side of a side wall constituting the box body, and a step portion is formed at an upper end of the protruding portion. Is formed, and the upper surface and the lower surface of the step portion are configured to support the flange portions of trays of different sizes so that the respective trays can be stored and held. container. In the box body, a partition portion for dividing the inside is formed, and a step portion is also formed at the upper end of the partition portion, and a flange portion of a tray having a different size on the upper surface and the lower surface of the step portion can be formed. The collective packaging container according to claim 1, wherein each tray is configured to be supported and can be stored and held. The upper surface and the lower surface of the step portion are formed by being connected by a tapered inclined surface that expands upward, and the tray can be stored and held by supporting the flange portion of the tray even on the inclined surface. The collective packaging container according to claim 1 or 2, wherein the container is provided. The flange portion of the deep tray is supported by the upper surface of the step portion, and the flange portion of the shallow tray is supported by the lower surface and / or the inclined surface of the step portion, and each tray is stored and held. The collective packaging container according to claim 3, wherein the container is provided. The inside of the box body is configured to be capable of storing n pieces (n is an integer of 1 or more) in the case of a shallow tray and 2n pieces in the case of a deep type tray. Item 4. The collective packaging container according to any one of Items 1 to 4. The collective packaging container according to any one of claims 1 to 5, wherein protrusions for preventing displacement of the four corners of the deep tray are formed on the upper surface of the step portion. Two of the collective packaging containers are provided on the side wall on the short side near at least one of the four corners of the box and on the side wall on the long side near the corner at the diagonal position. The collective packaging container according to any one of claims 1 to 6, wherein a fitting groove is formed in which the side wall of the other party is fitted when the side walls of the other party are aligned and overlapped with each other. .. Any of claims 1 to 7, wherein the box body is made of a foamed particle molded product, the resin constituting the foamed particle molded product is a styrene resin, and the foaming ratio is 30 to 80 times. Collective packaging container described in.

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