JPS601104Y2 - container - Google Patents

Description

[Detailed description of the invention] The present invention relates to a container used as a cold-insulating container for packaging. In addition to being configured so that the opening part can be opened and closed freely, an engaging stepped part is provided on the upper inner surface of the left and right side plates of the main body, and a shelf board for mounting a cold storage medium is provided so that it can be freely mounted. It is designed so that a heat-retaining medium such as a heat-storage material can be placed and stored on the top of the container, making packaging easier. This container is designed to be suitable for use as a packaging cold/thermal container for shipping, transporting, and selling raw vegetables, dairy products, various drugs, and other products that require cold storage, or products that require heat retention such as pizza and pancakes. It is.

Next, embodiments of the present invention will be described based on the drawings.

Reference numeral 1 denotes a rectangular bottom plate on which a packaged article can be placed, and 2 a main body that opens downward and is provided so as to be fitted onto the bottom plate 1 and can cover the packaged article on the bottom plate 1. It is made of resin foam, and this combination constitutes a hexahedral box-shaped container A.

However, the container front section 3, that is, the front surface of the main body 2, is configured to be openable and closable by a front lid 4.

In the embodiment shown in FIGS. 1 to 3, the front surface of the main body 2 is formed with an opening, and the front lid 4 is connected via a hinge portion 5 formed by a ■-shaped groove formed by heating and pressing on the front edge of the bottom plate 1. The container front portion 3 can be closed by bending and raising the front lid 4 when the main body 2 is fitted onto the bottom plate 1.

In the embodiment shown in FIG. 4, the front plate of the main body 2 is connected to the front edge of the top plate 6 as a front cover 4 via a hinge part 7 so as to be foldable and openable.

In any of these cases, it is desirable to provide a fitting or engagement means (not shown) for maintaining the front lid 4 in the closed state.

In addition, various opening/closing structures are possible, such as forming the front cover separately so that it can fit freely into the opening on the front surface of the main body.

At least the upper inner surfaces of the left and right side plates 8 and 9 of the main body 2 of the container A as described above are provided with engaging step portions 10 and 10 formed by protrusions or grooves.

For example, in the embodiment shown in FIGS. 1 to 4, the upper surfaces of the protrusions 11, 11 provided on the left and right side plates 8.9 are the upper surfaces of the protrusions 11, 11 provided on the left and right side plates 8.9, and in the embodiment shown in FIG. The lower surface of 12 is configured as engagement step portions 10, 10.

Further, in the embodiment shown in FIG. 6, two upper and lower protrusions 13, 14° 13.14 are provided on the left and right side plates 8, 9, respectively, and between the protrusions 13, 14, 13. It is configured so that a shelf for boarding can be inserted into the rack.

In this case, the upper surface of the lower protrusions 14, 14 becomes the engaging step portion 10°10.

In the case of the above-mentioned engagement steps 10, 10 made of protrusions, they do not necessarily have to be continuous, and a plurality of them can be provided intermittently at required intervals.

In addition to being formed horizontally in the longitudinal direction, the engaging step portions 10, 10 can be formed in a curved shape in which the center part in the longitudinal direction is slightly higher as shown in FIG. This has the effect of regulating the bending deformation of the shelf board on which objects are placed.

Incidentally, an engagement step similar to the above-mentioned engagement step 10.degree. 10 can also be provided on the rear side plate 15 of the main body 2 and/or the front cover 4.

(not shown).

Reference numeral 16 denotes a shelf board for mounting a cold/heat insulating medium, and when the front cover 4 is opened, the above-mentioned engaging step portions 10, 10 can be attached and detached.
A shelf d is provided on the shelf board 16 so that it can be freely placed on a shelf, and a cold/heat insulating medium 20 can be mounted and stored on this shelf board 16.

□The shelf board 16 may be in the shape of a flat plate, but it is preferable that the shelf board 16 has a concave shape in the center as shown in the drawing, since it provides good stability in the state in which the cold/heat insulating medium 20 is mounted.

When the engaging step portions 10, 10 are formed by convex portions, the shelf board 16 is formed to have approximately the same width as the interval between the left and right side plates 8, 9, and when the engaging step portions 10, 10 are formed by grooves, both end edges of the shelf board are formed. is extended according to the depth of the groove.

Further, the shelf board 16 is preferably formed of a perforated board having a large number of holes 17 for the circulation of cool air or hot air by the cold/heat insulating medium 20.

The number, size, shape, etc. of the holes 17 are the same as those of the cold/heat retaining medium 20.
Various methods can be used depending on the situation.

This shelf board 16 is usually formed of a material such as a metal plate or a synthetic resin plate.

As the above-mentioned structure for fitting the main body 2 to the bottom plate 1, in the case of the illustrated embodiment, a fitting projection 19 is provided at a position slightly inside the peripheral edge 18 of the bottom plate 1, and the fitting projection 19 is provided on the outside of the projection 19. Although the lower opening edge is configured to fit and rest on the peripheral edge 18, various other fitting structures are possible.

In addition, it is desirable that the inner part of the upper surface of the bottom plate 1 is recessed according to the shape of the packaged article, etc. For example, if the packaged article has a circular bottom, the required portions are recessed in a circular shape correspondingly to the shape of the packaged article. It fits into the recess 1' so that it can be placed stably.

As the synthetic resin foam that is the constituent material of the bottom plate 1 and the main body 2, styrene resin foams such as polystyrene resin and copolymers mainly composed of styrene are particularly preferably used. It is also possible to use olefin resin foams such as copolymers based on these materials, polyvinyl chloride resin foams, and other synthetic resin foams. It is also possible to use a material coated with a skin layer.

The present invention is constructed as described above, and is used as a cold/thermal insulating container for packaging foods that need to be kept cold such as frozen desserts such as ice cream, confectionery such as cakes, foods that need to be kept warm such as pancakes, and other products. In packaging, the article to be packaged, such as a cake, is first placed on the bottom plate 1, and the main body 2, which is open downward, is fitted onto the bottom plate 1 so as to cover it.

and the front part of the container 3. In other words, when the front surface of the main body 2 is open, the engaging step portions 1 provided on the inner surfaces of the upper left and right side plates 8 and 9
The cold and heat insulating medium 20 such as a coolant, a cold storage material, or a heat storage material may be mounted and stored on the shelf board 16 for mounting the cold and heat insulating medium mounted on the shelves 1 and 10. , 10 is pulled forward to load and store the cold/thermal insulating medium 20, or the shelf board 16 before being placed on the shelf
It is easy to place the cold/thermal insulating medium 20 on top of the container and insert it onto the engaging step portions io, io from the front of the container.

After the cold and heat insulating medium 20 is mounted on the shelf board 16 and stored in the upper part of the container, the front part 3 of the container may be closed with the front M4. 4 is bent and raised to close the container front part 3.

As a result, it is possible to obtain a packaging state in which a packaged article that requires cold storage in the lower part of the container is stored in the upper part of the container with the cold or warm insulation medium 20 on the shelf board 16. It flows downward through the holes in the plate 16 itself or the gaps in the periphery, so that the packaged articles inside the container can be kept cool and warm.

As the cold/thermal heat insulating medium 20, various types of coolant such as dry ice or other coolants, cold storage materials, or heat storage materials that can be mounted on the shelf board 16 can be used, but in particular, gel-like or seriform materials with a large heat capacity can be used. A cold storage material or a heat storage material made by enclosing a material having a cold storage and heat storage effect in a synthetic resin bag can be suitably used.

In addition, in the above, before closing the container front part 3 with the front lid 4, a packaged article such as a cake can be stored and packaged on the bottom plate 1, and after packaging, the front M4 can be opened and the shelf board 16, the cold and heat insulating medium 20 can be replaced with a new one or replenished.

As described above, the present invention is made up of a combination of a rectangular bottom plate 1 and a downwardly opened main body 2 that fits over the bottom plate, so it is easy to package articles and the packaging work, especially when the packaged articles are cakes, etc. Even items that are soft and difficult to handle can be easily stored and packaged.

Moreover, the container front part 3 is configured to be openable and closable, and engagement steps 10, 10 are provided on the upper inner surfaces of the left and right side plates 8, 9 of the main body 2 by protrusions, etc., and a shelf board 16 for mounting cold/heat insulating media is provided. Since it is provided so that it can be freely mounted on the engaging step portions 10, 10, the cold/thermal insulating medium 20 such as a coolant, a cold storage material, or a heat storage material can be placed on the shelf board 16 and directly packaged. It can be stored in the upper part of the container so that they do not come into contact with each other, and the inside of the container can be effectively kept cool or warm by air convection. , 10 can be easily engaged and disengaged by inserting and pulling out from the front, making it easy to load and store the cold/thermal medium 20 onto the shelf board 16, thereby keeping the packaged goods and the cold/thermal insulation To facilitate packaging work even when storing media.

Furthermore, since the container of this invention is made of synthetic resin foam,
It is an excellent heat insulator that prevents cold or hot air from escaping, maintains a good cold and heat retention effect, and has cushioning properties, making it excellent for protecting internally packaged items, as well as being lightweight and easy to handle.

Therefore, the container of the present invention has a simple structure and is easy to carry out packaging work, and can store a cold and heat insulating medium in the upper part of the container. It is extremely suitable as a cold/thermal insulating container for packaging for shipping, transporting, and selling items that require heat retention.

[Brief explanation of drawings]

The figures do not show the embodiment of the present invention, and Fig. 1 is a perspective view of the separated state, Fig. 2 is a perspective view of the container before it is placed on a shelf with the front side opened, and Fig. 3 is a perspective view of the container on the shelf. Cross-sectional view of plate-mounted state, No. 4
The figure is a perspective view showing another embodiment, FIGS. 5 and 6 are sectional views showing another embodiment, and FIG. 7 is a partial perspective view showing still another embodiment. 1... Bottom plate, 2... Main body, 3... Container front part, 4
...Front lid, 6...Top plate 1.8, 9...Left and right side plates,
DESCRIPTION OF SYMBOLS 10, 10... Engagement step part, 16... Shelf board for mounting cold/heat insulating medium, 20... Cold/heat insulating medium.

Claims (1)

[Claims for Utility Model Registration] 1. A container made of synthetic resin foam consisting of a combination of a rectangular bottom plate and a downwardly opened main body that fits into the bottom plate,
The front part of the container is configured to be openable and closable, and 1. The upper inner surface of the left and right side plates of the main body is provided with an engaging stepped portion such as a protrusion, and a shelf board corner for mounting a cold/heat insulating medium is provided so as to be freely mounted on the engaging stepped portion. container. 2. The container according to claim 1, wherein the shelf board has a large number of ventilation holes. 3. The container according to claim 1 or 2 of the utility model registration claim, wherein the shelf board is recessed downward in the center in the shape of a tray. 4. Scope of Utility Model Registration Claim 1, 9. The front lid that closes the front part of the container is connected to the front edge of the bottom plate or the top plate of the main body via a hinge part. The container according to item 2 or 3.