JPH066269U - Insulated container - Google Patents

Abstract

(57) [Summary] [Structure] Bottom wall 1a and side wall 1 for accommodating objects
The container body 1 including b is formed of foamed resin. A window 2 for observing the inside of the container body 1 is provided by notching the side wall 1b from above. The transparent plate 3 having an air layer is fitted into the window portion 2. [Effects] Even if the container bodies 1 containing fresh food such as fish are stacked, the inside can be observed while maintaining the heat insulating property of each container body 1. Therefore, the fresh food stored in the container body 1 Can be displayed while maintaining its freshness.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a heat insulating container capable of maintaining the temperature of stored items such as fresh food such as fish and vegetables.

[0002]

[Prior art]

 Conventionally, foamed resin heat insulating containers are lightweight, have cushioning properties and excellent transportability, and also have excellent heat insulating properties, that is, cold storage properties.Therefore, it is required to keep storage temperature low and maintain freshness. It is often used as a container for boxing fresh food such as vegetables and fish.

[0003]

[Problems to be solved by the device]

 However, in the past, when selling fresh food, it was necessary to show the buyer the fresh food in the heat-insulating container, so that the heat-insulating container was arranged with its upper part open. For this reason, the heat insulation of the heat insulating container cannot be exerted, and it becomes difficult to maintain the freshness of the heat insulating container, resulting in a problem that the value of fresh food is reduced.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the heat-insulating container according to claim 1 of the present invention is provided with a window portion in a container body made of a foamed molded body, and a transparent plate having an air layer is fitted into the window portion. It is characterized by being.

In order to solve the above problems, the heat-insulating container according to claim 2 of the present invention is provided with a window portion on at least two surfaces of a container body made of a foamed molded body, and an air layer is provided in each window portion. It is characterized in that the transparent plates provided with are fitted respectively.

[0006]

[Action]

 According to the above-mentioned configurations of claims 1 and 2, the container body is made of a foamed molded product, and the transparent plate having the air layer is fitted in the window portion of the container body. Can maintain the heat insulation property of. Therefore, for example, fresh food such as vegetables and fish can be stored in the container body and kept cool, and the fresh food stored inside can be observed from the outside through the transparent plate while maintaining the freshness of the fresh food stored inside. It becomes possible.

Particularly, when the above-mentioned window is provided on the side wall and a plurality of container bodies are stacked, the inside of the lower container body can be observed without removing the upper container body. It is possible to maintain, that is, display while maintaining the freshness.

Further, according to the above-mentioned configuration of the second aspect, a large amount of light can be introduced into the inside, so that the inside can be more easily observed. In particular, by providing each of the above windows on the opposite side walls, the light incident from the transparent plate of one window is reflected by the stored items and emitted from the transparent plate of the other window. Since it becomes easier, the amount of reflected light from the stored item increases and the stored item can be easily observed.

[0009]

【Example】

 The following will describe one embodiment of the present invention as a first embodiment. Example 1 As shown in FIG. 1, a heat-insulated container uses a substantially box-shaped container body 1 made of a foamed molded product having closed cells. Such a container body 1 is composed of a substantially rectangular plate-shaped bottom wall 1a and four side walls 1b ... Which stand up from each side of the bottom wall 1a while being connected to each other at right angles. Etc. are integrally molded.

Further, since the container bodies 1 are fitted and locked so as not to shift from each other when stacked as described later, the ribs 1c, which are substantially annular protrusions, extend along the inside of the upper end surface of each side wall 1b. On the other hand, although not shown, a substantially annular fitting protrusion is formed in the peripheral portion of the lower surface of the bottom wall 1a so as to fit with the outer peripheral surface of the rib 1c.

The material of the container body 1 is not particularly limited as long as it has predetermined compressive strength, light weight, and heat insulating property, but it is a foamed polyolefin resin such as expanded polystyrene resin, expanded polyethylene, expanded polypropylene, or foamed resin. It is possible to use a synthetic resin foam such as polyurethane, and further, a cardboard box, or an article with heat insulation and airtightness by laminating or inserting aluminum vapor deposition film etc. on the inside or inside of the cardboard box. It is also possible to use. In particular, foamed polystyrene resin is preferably used among the above materials.

In each of the side walls 1b, the window portions 2 are formed at positions facing each other on two surfaces that face each other, and each window portion 2 is located below the upper end surface of the side wall 1b. It is provided with a substantially U-shaped rim portion 2a that is cut out toward the edge. Further, such a rim portion 2a is formed such that the opposite side portions 2b, 2b are parallel to each other, and further, a pair of substantially rectangular cross-sections that engage with a transparent plate 3 described later. The engaging protrusions 4 are formed so as to face each other in the vertical direction in parallel with each other.

Each of the windows 2, 2 has elasticity and a transparent synthetic resin plate having a substantially U-shaped cross section, for example, the above-mentioned transparent plate made of high-impact polystyrene, acrylic resin or the like. 3 are fitted from above. At this time, the inner surfaces of the transparent plate 3 facing each other are formed parallel to each other, and the distance between the inner surfaces is slightly smaller than the thickness of the engaging projection 4.

Therefore, when the transparent plate 3 is inserted into the window portion 2, the inner surfaces of the transparent plate 3 come into contact with the entire surfaces of both end faces in the thickness direction of the engaging protrusions 4, thereby making the space inside the transparent plate 3 airtight. An air layer having high heat resistance and heat insulation is formed in the transparent plate 3. Further, the transparent plate 3 can be inserted into and removed from the window 2 in the height direction of the container body 1.

A fitting groove 5 into which the tip side of the transparent plate 3 fits may be provided on the lower surface of the rim portion 2a of the window portion 2. As a result, the airtightness of the air layer formed in the transparent plate 3 can be increased, and the heat insulation can be improved.

Next, a description will be given of the method of use when the fresh food is stored in the heat-insulating container of the above-mentioned embodiment and pre-cooled. Fresh foods such as vegetables and fish are stored, and the respective container bodies 1 ... Are stacked in, for example, a refrigerating warehouse and precooled. At this time, since the windows 2 are provided, it is easy for cold air to enter the container bodies 1 and the fresh food in the container bodies 1 can be cooled quickly.

After that, when each container body 1 ... Is transported by a transportation means such as a truck for shipping to each market or the like, the transparent plate 3 is fitted into each window 2 when being transported from the refrigerated warehouse. Stack on. At this time, the uppermost container body 1 is covered.

Next, when arriving at the market, each container body 1 ... Is carried out for each stacked container body 1 ..., transported to a broker, etc., and then put on auction, etc., and then to a retail store or the like. Be carried.

At this time, since the window 2 is provided in the side wall 1b of each container body 1 and the transparent plate 3 is provided in the window 2, the container bodies 1 ... It is possible to observe the inside of them, which is convenient for sorting and price deduction, etc. Also, because the air layer is provided inside the transparent plate 3, the heat insulation is not impaired and the airtightness inside is maintained. As a result, the rise in internal temperature can be reduced, making it easier to maintain freshness for a long time.

In addition, since the window portions 2 are provided on the opposing side walls 1b and 1b of the container body 1 and the transparent plates 3 are provided on the window portions 2 and 2, respectively, the interior of the container body 1 Since a large amount of light can be introduced to the inside, it becomes easier to observe the inside.

In particular, by providing the windows 2 and 2 on the opposite side walls 1b and 1b, respectively, the light incident from the transparent plate 3 of the one window 2 is reflected by the stored items. Since the light is emitted from the transparent plate 3 of the other window portion 2, the amount of light from the stored item is increased, and the stored item can be more easily observed.

As described above, since the respective container bodies 1 ... Can be displayed in a stacked state even in a store such as a retail store while maintaining the cold insulation property, they can be sold while maintaining the freshness of the stored fresh food or the like. It is convenient and convenient. In the above usage method, an example in which the respective container bodies 1 ... Are stacked and pre-cooled at one time has been described, but the cooling method is not particularly limited to the above, and for example, a refrigerant such as ice can be used as a fresh food. May be stored when storing.

Next, another embodiment of the present invention will be described as a second embodiment. It should be noted that members having the same functions as those in Example 1 above are given the same member numbers, and description thereof is omitted.

Example 2 As shown in FIG. 2, the heat insulating container is a transparent plate 6 made of a blow-molded product having a substantially rectangular parallelepiped shape and made of a transparent PET resin (polyethylene terephthalate) or the like by, for example, blow molding. Is equipped with. On the outer circumference of the transparent plate 6 as described above, a plate-like fitting convex portion 6a is formed outwardly like a collar of a sword.

On the other hand, in the container body 1, a supporting groove 7 that fits with the fitting projection 6 a is formed along the rim portion 2 a, and the transparent plate 6 is provided in the window portion 2. With respect to the container body 1, the container body 1 is fitted and detachably fitted in the height direction. Although not shown, the container body 1 is further provided with a window portion 2 on the side wall 1b facing the window portion 2 and the transparent plate 6 is also provided on the rim portion 2a of the window portion 2. A supporting groove 7 is formed so that the can be inserted and removed.

As a result, the airtightness of the air layer in the transparent plate 6 can be increased as compared with the air layer in the transparent plate 3 shown in FIG. 1, and the heat insulation can be further secured.

Next, still another embodiment of the present invention will be described as a third embodiment. The members having the same functions as those in the above-described Example 1 are given the same member numbers and the description thereof is omitted.

Example 3 Instead of the transparent plate 6 as described above, for example, as shown in FIG. 3, a transparent plate 8 made of an injection molded product made of polyvinyl chloride or the like is used. The transparent plate 8 is formed by connecting a pair of transparent thin rectangular plate parts 8a, 8a by a hinge part 8b. When using, the rectangular plate parts 8a, 8a are folded around the hinge part 8b. Similar to the transparent plate 6 described above, an air layer is formed inside, and a fitting protrusion 8c is formed on the outer periphery of the transparent plate 8 similar to the fitting protrusion 6a. Therefore, like the transparent plate 6, the transparent plate 8 is used by inserting it into the window 2 shown in FIG.

According to this, the transparent plate 8 has a shape similar to that of a packing container which is usually used as a disposable container for foods and the like, and the injection mold of such a packing container is used. And the like can be easily diverted and an increase in cost can be avoided.

Next, still another embodiment of the present invention will be described as a fourth embodiment. The members having the same functions as those in the above-described Example 1 are given the same member numbers and the description thereof is omitted.

Fourth Embodiment As shown in FIG. 4, instead of the transparent plate 8 described above, a transparent plate 8 ′ having an opening 8 ′ d into which a block 9 described later can be inserted and removed may be used. Such a block 9 is made of a substantially rectangular parallelepiped foam molded body that fits with the inner surface of the transparent plate 8 ', and can be inserted from above through the opening 8'd. Further, a semi-circular cutout 8'e is formed on one upper end side of the transparent plate 8'to facilitate extraction of the inserted block 9.

Accordingly, when it is desired to observe the inside of the container body 1 at the time of display or sorting, the block 9 is pulled out, and when the transparent plate 8 ′ is easily damaged by impact or the like during transportation, the block 9 Since the transparent plate 8 ′ is supported from the inside by inserting, it is possible to protect the transparent plate 8 ′ from damage and also maintain the heat insulating property.

Next, the lid used for the container body 1 will be described. As shown in FIG. 5, the lid 10 has a convex portion 10a that fits with the rib 1c shown in FIG. The container body 1 can be sealed. Therefore, the lid 10 that seals the container body 1 constitutes a wall portion as a canopy.

Further, such a lid body 10 is provided with a lid window portion 10b having a substantially rectangular cross section, and thus such a lid window portion 10b is provided with an edge portion 10c. There is provided a transparent lid plate 11 having a substantially rectangular plate shape with a U-shaped cross section, which is fitted into the window portion 10b for the lid and comes into contact with the edge portion 10c. The lid transparent plate 11 is made of a transparent synthetic resin, and has a flange portion 11a formed on its outer periphery so as to extend outward so as to be fixed to the lid body 10.

As a result, the transparent plate 11 for lid is used by fixing the flange portion 11a and the upper surface of the edge portion 10c that abuts it with the adhesive member 12 such as double-sided tape or esdyne. This makes it possible to easily see the inside of the container body 1 while maintaining the heat insulating property of the container body 1.

Further, instead of the transparent lid plate 11 described above, a transparent lid plate 13 having an air layer inside and having a similar shape may be used as shown in FIG. Such a transparent plate 13 for lid is formed by, for example, blow molding. As a result, since the transparent plate 13 for lid has the air layer, it is possible to further enhance the heat insulating property and improve the cold insulating property. Therefore, the freshness of fresh food and the like can be easily maintained, and the inside can be easily distinguished, which is suitable for display in a showcase or the like.

Further, the block 14 fitted in the recess 11b of the lid transparent plate 11 from above may be used. The block 14 is made of foamed resin having a substantially rectangular parallelepiped shape and is lightweight and has excellent heat insulating properties. By fitting such a block 14 on the transparent plate 11 for lid, the heat insulating property of the container main body 1 can be enhanced, and the block 14 can be removed to look inside when necessary such as at the time of display. You can

[0038]

[Effect of device]

 As described above, the heat-insulating container according to claim 1 of the present invention is configured such that the container body made of the foamed molded body is provided with the window portion, and the transparent plate having the air layer is fitted into the window portion. .

[0039] Therefore, the above-mentioned configuration allows the inside to be observed while maintaining the heat insulating property, and therefore, even at the time of display and sorting, particularly at the time of selling and sorting a large amount of fresh food such as in the market. The effect of being able to display and sort the stored fresh food while maintaining the temperature thereof and to reduce the deterioration of the quality of the fresh food due to the deterioration of the freshness of the fresh food.

As described above, the heat-insulating container according to claim 2 of the present invention has a window body provided on at least two surfaces of a container body made of a foamed molded article, and an air layer is provided in each of the window portions. It is a configuration in which each is fitted.

Therefore, the above-described configuration allows the inside to be observed while maintaining the heat insulating property, and therefore, even at the time of display and sorting, especially when selling and sorting a large amount of fresh food such as in the market. The effect of being able to display and sort the stored fresh food while maintaining the temperature thereof and to reduce the deterioration of the quality of the fresh food due to the deterioration of the freshness of the fresh food.

In addition, the above-described configuration makes it possible to more easily observe the inside of each container body when the container bodies are stacked and displayed, for example, at the time of sale and sorting, especially in a large amount of fresh food such as in the market. The effect is that it can be used more suitably at the time of sale and sorting.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a heat insulating container according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a heat insulating container according to another embodiment of the present invention.

FIG. 3 is a perspective view of a transparent plate according to another embodiment of the present invention.

FIG. 4 is an exploded perspective view of a main part of a heat insulating container according to another embodiment of the present invention.

FIG. 5 is an exploded perspective view of a lid used for the heat insulating container.

FIG. 6 is an exploded perspective view showing a modified example of the lid.

FIG. 7 is an exploded perspective view showing another modification of the lid.

[Explanation of symbols]

 1 container body 2 window 3 transparent plate

Claims (2)

[Scope of utility model registration request] 1. A heat-insulated container, wherein a window is provided in a container body made of a foamed molded article, and a transparent plate having an air layer is fitted in the window. 2. A heat-insulating container, wherein windows are provided on at least two surfaces of a container body made of a foamed molded article, and transparent plates having an air layer are fitted into the windows, respectively.