JPH0858847A - Foldable cold insulation/hot insulation box - Google Patents

Abstract

PURPOSE: To provide a foldable box which is superior in cold insulation/hot insulation effects, and is light-weight and durable. CONSTITUTION: A foldable cold insulation/hot insulation box is equipped with a bag body 1 with bottom and a lid part 2 which closes an open surface of the bag body 1. Then, the bottom surface part and side surface part of the bag body 1 and the lid part 2 are foldably formed by bonding at least an aluminum vapor-deposited sheet on both surfaces of a foamed material with elasticity.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable cold-keeping / heat-retaining box, and more particularly to a foldable cool-keeping / heat-retaining box that is useful for delivering products that need to be kept cold or warm, such as medicines and foods.

[0002]

2. Description of the Related Art Some products used in supermarkets, co-ops, and hospitals require, for example, food or medicine to be kept cold or warm during delivery. Foldable containers have been conventionally used to deliver such products.

[0003]

However, the foldable containers that have been used conventionally have a structure in which they fold inwardly on both sides at the central portion, so that there are many gaps and there is a problem that the effect of keeping cold or keeping warm is low. In addition, since a heat insulating material is not used for the member, there is a problem that a large amount of heat goes in and out through the member, and the effect of keeping cold or keeping warm is low.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a foldable box that is excellent in cold insulation and heat retention, is lightweight, and is robust.

[0005]

[Means for Solving the Problems]

<First Foldable Cool Insulation Box of the Present Invention> The first foldable cool insulation box of the present invention is configured as follows in order to solve the above-mentioned problems.

That is, a bottomed bag body and a lid portion for closing the opening surface of the bag body are provided, and the bottom surface portion and the side surface portion of the bag body and the lid portion are provided on both sides of an elastic foam material. At least an aluminum vapor-deposited sheet is adhered to be foldable (corresponding to claim 1). <Second Foldable Cooling / Heat Keeping Box of the Present Invention> A second foldable cold keeping / keeping box of the present invention is configured as follows in order to solve the problems described above.

That is, a bottomed bag body and a lid portion for closing the opening surface of the bag body are provided, and the bottom surface portion, the side surface portion and the lid portion of the bag body are made of polyethylene terephthalate foamed material having elasticity. It is sewn so as to be surrounded by a canvas made, and is formed so as to be freely foldable (corresponding to claim 2). <Third Folding Cooling / Heat Keeping Box of the Present Invention> A third folding cold keeping / warming box of the present invention is configured as follows in order to solve the above-mentioned problems.

That is, in the first or second foldable cold insulation box, a reinforcing member is detachably provided inside the body of the bag (corresponding to claim 3). <Fourth Folding Type Cooling / Heat Keeping Box of the Present Invention> The fourth folding type cold keeping / warm box of the present invention is configured as follows in order to solve the above-mentioned problems.

That is, in the first or second foldable cold insulation box, the foam material is formed of polystyrene, polyethylene, polypropylene and urethane alone or in combination (corresponding to claim 4). <Fifth Foldable Cooling / Heat Keeping Box of the Present Invention> The fifth foldable cold keeping / keeping box of the present invention is configured as follows in order to solve the above-mentioned problems.

That is, in the first or second foldable cold insulation box, the foam material is 20 mm to 50 m.
The thickness is up to m (corresponding to claim 5).

[0011]

According to the first, second and fifth foldable cold insulation boxes of the present invention, the bag body can be deformed (for example,
(Compress vertically or bend in any direction)
You can fold with. Further, when folded, the volume becomes low, so that it can be placed without taking up an extra space. Further, since the foam material plays a role of a heat insulating material, the effect of keeping cold (heat insulating) is improved.

Further, according to the third foldable cold-keeping / warming box of the present invention, a fixed shape can be maintained by attaching a reinforcing member during use. Further, when not in use, the reinforcing member is removed so that it can be folded. The removed reinforcing member is preferably housed inside the bag body so as not to become dirty or disappear.

Further, according to the fourth foldable cold insulation box of the present invention, since the foam material is made of plastic, the weight of the entire box is reduced.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a foldable cold insulation box according to the present invention (hereinafter referred to as a box) will be described below with reference to the drawings.

[0015]

[First Embodiment] A first embodiment will be described with reference to FIGS. 1 to 5, 9 and 10. <Structure of this Embodiment> First, the structure of the box of the first embodiment will be described.

FIG. 1 is a perspective view of the box of the first embodiment. In the figure, the box is composed of a main body 1 of a bottomed cylindrical body having a substantially rectangular parallelepiped shape, and a lid portion 2 for closing an opening surface of the main body 1.
It consists of

The body 1 further includes a bottom portion 1e and the bottom portion 1e.
The rear side surface (rear surface) 1a, the right side surface portion 1b, the front side surface (front surface) portion 1c, and the left side surface portion 1d are formed as a body portion standing from e.

A hook stopper fastener 4a is provided on the inner upper portion of the right side surface portion 1b, and a first reinforcing member 6a is detachably attached to the hook stopper fastener 4a. A first handle 3a is provided outside the right side surface 1b. The first handle 3a is for making the box easy to carry. The hook fastener 4a is a fastener that connects two flexible portions formed of two supports provided with hook members that are adapted to be hooked to each other.

As shown in FIG. 2, an inner lid 2a is attached to the front side surface portion 1c via a bendable first connecting portion 5a. A hook stopper fastener 4b is provided on the inner upper portion of the left side surface portion 1d, and the second reinforcing member 6b is detachably attached to the hook stopper fastener 4b. A second handle 3b is provided outside the left side surface portion 1d. This second handle 3b is
This is for making the box easy to carry.

The lid portion 2 is adapted to be bent inwardly on both sides at the central portion, and is connected to the main body 1 via the first connecting portion 5a shown in FIG. Here, the bottom portion 1e of the main body 1
The rear side surface portion 1a, the right side surface portion 1b, the front side surface portion 1c, the left side surface portion 1d, and the lid portion 2 are, as shown in FIG.
A plate-like polystyrene (A) having a thickness of 0 m / m and an aluminum vapor deposition sheet (B) attached to both surfaces of this polystyrene (A)
It is formed with a three-layer structure.

<Operation of this Embodiment> Next, the operation of this embodiment will be described. First, the operation for using the box in the folded state will be described.

Since the box is folded and housed and stored as shown in FIG. 5, the hook fasteners 7a to 7d attached to the main body 1 and the lid portion 2 are opened. Next, as shown in FIG. 4, the lid portion 2 is lifted upward to extend the body portion of the main body 1. Further, the inner lid 2a is pulled out to the outside of the main body 1 (see FIG. 3).

Next, the first reinforcing member 6a is attached to the hook-and-loop fastener 4a and fixed along the inner surface of the right side surface portion 1b. The second reinforcing member 6b is attached to the hook-and-loop fastener 4b and is fixed along the inner surface of the left side surface portion 1d. By doing so, the main body 1 is reinforced, and it is possible to maintain a constant shape (see FIGS. 2 and 1).

Next, the articles are stored in the main body 1, and the inner lid 2a,
The lid portion 1 is bent in this order, and the lid portion 2 and the main body 1 are locked by the hook fasteners 7a to 7d. The opening surface of the main body 1 has an inner lid 2a.
Also, since it is closed by the lid portion 1, the effect of keeping cold or keeping warm does not decrease.

On the other hand, the operation for folding after using the box may be performed by reversing the operation for using the box. <Effects of this Embodiment> Next, the effect of keeping cold in this embodiment is shown in FIG. In the figure, the above-mentioned box and the conventional box are installed in a constant temperature bath maintained at about 40 degrees Celsius. Then, 2 kg of ice was stored in both boxes, and the temperature in the box was measured every 1 hour for a total of 12 hours.

The broken line (1) in the figure shows the temperature change in the constant temperature bath, the broken line (2) shows the temperature change in the conventional box, and the broken line (3) shows the temperature change in the box of this embodiment. Indicates. It can be seen from FIG. 9 that the box in the present embodiment can maintain the temperature inside the refrigerator lower for a long time than the conventional box.

Further, since the box of this embodiment uses the material formed by adhering the aluminum vapor deposition sheet on both sides of the foamed material having elasticity, it is lightweight and robust. Furthermore, when folded, only about one-third of the space required for the conventional product is required, and a significant space saving can be achieved.

[0028]

[Second Embodiment] Next, a second embodiment will be described with reference to FIGS. <Structure of this Embodiment> The box of the second embodiment has the same structure as that of the first embodiment except that the inner lid 2a is removed from the box of the first embodiment. Therefore, the same aspect parts are denoted by the same reference numerals and the description thereof is omitted.

<Operation of the Present Embodiment> Next, the operation of the present embodiment will be described. First, the operation for using the box in the folded state will be described.

Since the box is folded and accommodated and stored as shown in FIG. 9, the hook-fastening fasteners 7a and 7b attached to the main body 1 and the lid portion 2 are opened. Next, as shown in FIG. 8, the bottom horizontal component is taken out and reinserted in the vertical direction.

Next, the first reinforcing member 6a is attached to the hook-and-loop fastener 4a and fixed along the inner surface of the right side surface portion 1b. The second reinforcing member 6b is attached to the hook-and-loop fastener 4b and is fixed along the inner surface of the left side surface portion 1d. By doing so, the main body 1 is reinforced, and it is possible to maintain a constant shape (see FIGS. 7 and 6).

Next, the article is stored in the main body 1, the lid portion 1 is bent, and the lid portion 2 and the main body 1 are locked by the hook fasteners 7a and 7b. Since the opening surface of the main body 1 is closed by the lid portion 1, the effect of keeping cold or keeping warm does not decrease.

On the other hand, the operation for folding after using the box may be performed by reversing the operation for using the box. <Effect of this embodiment> According to the box of this embodiment, the first
Similar to the example box, it is lightweight, robust, and foldable. Further, since the bulk is reduced when folded, a large space saving can be achieved.

[0034]

According to the present invention, it is possible to obtain a foldable box that is excellent in cold insulation and heat retention and is lightweight and robust.

[Brief description of drawings]

FIG. 1 is a perspective view of a box according to a first embodiment.

FIG. 2 is a view showing a state in which a part of the reinforcing member of the box in FIG. 1 is taken out to the outside.

FIG. 3 is a view showing a state where the reinforcing member of the box of FIG. 1 is taken out and accommodated in the box.

FIG. 4 is a diagram showing a state in which the box of FIG. 3 is vertically compressed.

5 is a diagram showing a state in which the box of FIG. 4 is folded.

FIG. 6 is a perspective view of a box according to a second embodiment.

FIG. 7 is a diagram showing a state where a part of the reinforcing member of the box in FIG. 6 is taken out to the outside.

FIG. 8 is a diagram showing a state in the process of folding the box of FIG.

9 is a diagram showing a state in which the box of FIG. 6 is folded.

FIG. 10 is a diagram showing a comparison result of cold insulation performance between a box according to the present invention and a conventionally used box.

FIG. 11 is an enlarged cross-sectional view of a main body and a lid portion.

[Explanation of symbols]

 A ... Polystyrene B ... Aluminum vapor deposition sheet 1 ... Main body (bottomed cylinder) 1a ... Rear side (rear side) 1b ... Right side 1c ... Front side (front) ) Part 1d ... left side part 2 ... lid part 2b ... inner lid 3a ... first handle 3b ... second handle 4a ... hook stopper fastener 4b ... hook stopper Fastener 5a ... First connection part 5b ... Second connection part 6a ... First reinforcement member 6b ... Second reinforcement member

Claims (5)

[Claims] 1. A bottomed bag body, and a lid portion for closing an opening surface of the bag body, wherein the bottom surface portion and the side surface portion of the bag body and the lid portion are provided on both surfaces of an elastic foam material. A foldable cold insulation box, which is formed by adhering at least an aluminum vapor-deposited sheet so that it can be freely folded. 2. A bottomed bag body, and a lid part for closing an opening surface of the bag body, wherein the bottom surface part, the side surface part and the lid part of the bag body are made of polyethylene terephthalate foam. A foldable cold insulation box that is sewn so as to be surrounded by canvas and is formed so that it can be folded freely. 3. The foldable cold insulation box according to claim 1, wherein a reinforcing member is detachably provided inside the body of the bag. 4. The foldable cold insulation box according to claim 1 or 2, wherein the foam material is formed of polystyrene, polyethylene, polypropylene and urethane alone or in combination. 5. The foldable cold insulation box according to claim 1 or 2, wherein the foam material is formed to have a wall thickness of 20 mm to 50 mm.