JP2000126218A - Cooling body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to maintain a cooling state by continuing an endothermic reaction for a long time, to regulate the time to the start of the endothermic reaction of cooling base agents and cooling reaction agents and to rapidly maintain a cooling state when needed. SOLUTION: This cooling body is disposed with plural housing bodies for housing the cooling reaction agents 6a, 6b, 6c. When a partition portion 3 parting the cooling base agent 2 and the cooling reaction agent 6a is ruptured by exerting external pressure, the cooling reaction agent 6a and the cooling base agent 2 in the prescribed housing body first cause the endothermic reaction, following which the cooling reaction agent 6b and cooling base agent 2 in another housing body cause the endothermic reaction. The cooling reaction agents and cooling base agents 2 in the respective housing bodies are thus successively endothermically reacted. As a result, the endothermic reaction may be progressed little by little and the cooling state may be maintained for a long time without the excessive progression of the endothermic reaction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling body which is used for cooling purposes by lowering the temperature by an endothermic reaction between a stored cooling base and a cooling reactant.

[0002]

2. Description of the Related Art Conventionally, a cooling base and a cooling reactant are separately housed in a sealed bag and separated from each other by means such as tapping from outside. There is a cooling body which breaks a part, mixes the two, and causes an endothermic reaction between a cooling base and a cooling reactant to provide cooling. For example, Japanese Utility Model Laid-Open No. 5-41521, JP-A-8-3854.
No. 0, JP-A-7-246215, and the like. FIG. 9 shows an example of such a conventional cooling body.
Shown in FIG. 9 is a schematic sectional view of the configuration of a conventional cooling body.

In the conventional cooling body shown in the previous figure, a cooling reactant 103 and a storage body 102 of a cooling base as the partition portion are housed in a sealed bag-shaped exterior body 101. This is a configuration in which the cooling base 104 is housed.

[0004]

Since the conventional cooling body is constructed as described above, when the housing 102 is broken, the cooling base 104 and all the cooling reactants 103 undergo an endothermic reaction at once. Because it absorbs heat from the surroundings (cools the surroundings), it may be necessary to keep it too cold at first, or too cold through a towel, etc. However, there was a problem that the temperature began to rise, and the user did not feel much cold or could not obtain the required temperature.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can maintain an endothermic reaction for a long period of time to maintain a cooling state. It is an object to provide a cooling body that can be adjusted and can quickly obtain a cooling state when needed.

[0006]

A cooling body according to the present invention comprises:
The cooling base and a cooling reactant that undergoes an endothermic reaction with the cooling base are housed adjacent to each other with a predetermined partition therebetween, and when used, the partition breaks from the outside to endothermic the cooling base and the cooling reactant. In the cooling body to be reacted, a plurality of storage bodies for storing the cooling reactant are provided, and after the cooling reactant of a predetermined storage body among the plurality of storage bodies undergoes an endothermic reaction with the cooling base, cooling of another storage body is performed. The reactant initiates an endothermic reaction with the cooling base.

As described above, in the present invention, a plurality of storage bodies for storing the cooling reactant are arranged, the cooling reactant is divided and stored in the plurality of storage bodies, and the cooling reactant in the predetermined storage body is cooled. After the endothermic reaction of the base and the endothermic reaction between the cooling base and the cooling base in another container, an external force is applied to break the partition part separating the cooling base and the cooling base. First, an endothermic reaction occurs between the cooling reactant and the cooling base in a predetermined storage body, and then an endothermic reaction occurs between the cooling reactant and the cooling base in the other storage body, and one after another in the respective storage bodies. And the cooling base undergoes an endothermic reaction, whereby the endothermic reaction can be progressed little by little, and the endothermic reaction does not proceed excessively and does not become too cold, and the cooling state can be maintained for a long time.

In the cooling body according to the present invention, if necessary, the storage body for storing the cooling reactant is arranged in a multiplex arrangement in which another storage body is stored inside a predetermined storage body. Things. As described above, in the present invention, a plurality of storage bodies for storing the cooling reactant are arranged in a multiplex manner in a state of storing another storage body together with the cooling reactant inside the storage body, and the outermost when the external force is applied, The cooling reactant and the cooling base in the first storage body endothermic, and then the cooling reactant and the cooling base in the second storage body in the storage body endothermic, and further, the storage By continuing the endothermic reaction between the cooling reactant and the cooling base in the body, the endothermic reaction can progress little by little, and the cooling state can be maintained for a long time without the endothermic reaction progressing at once. Can be. In addition, since the endothermic reaction proceeds toward the inside of the housing, the temperature drop due to the endothermic reaction spreads throughout the outer housing, so that the cooling state is not biased.

In the cooling body according to the present invention, the storage body for storing the cooling reactant is provided in a parallel arrangement where a predetermined storage body is juxtaposed with another storage body, if necessary. is there. As described above, in the present invention, a plurality of storage bodies for storing the cooling reactant are arranged in parallel, and when the cooling reactant and the cooling base in a predetermined storage body start an endothermic reaction, another storage body juxtaposed is arranged. In the body, the cooling reactant and the cooling base start an endothermic reaction, and the endothermic reaction progresses little by little in each container, so that the cooling state is maintained for a long time without the endothermic reaction progressing at once. Can be.

In the cooling body according to the present invention, if necessary, the storage body for storing the cooling reactant shares a part of the exterior of the storage body, and another storage body is adjacent to a predetermined storage body. It is arranged in a layered arrangement in a state. As described above, in the present invention, a plurality of storage bodies accommodating the cooling reactant are disposed adjacent to each other in a stacked state, and the cooling reactant and the cooling base in a predetermined storage body undergo an endothermic reaction, and then adjoin. Even in another container, the cooling reactant and the cooling base start an endothermic reaction, and the endothermic reaction progresses little by little in each adjacent container, so that the endothermic reaction does not proceed at once and the cooling state Can be maintained for a long time. In addition, when the storage body that undergoes an endothermic reaction is used in an arrangement close to the object to be cooled, only the closest storage body is cold, and another adjacent storage body reacts later, so that the cooling reactant is used. Until the cooling base reacts with the cooling base, the unreacted storage portion functions as a heat insulating material between the surrounding air and the flow of excess heat is reduced, and cooling efficiency in the endothermic reaction portion is improved.

Further, in the cooling body according to the present invention, if necessary, at least a part of the housing for housing the cooling reactant is made of a porous material. As described above, in the present invention, at least a part of the housing is formed of a porous material, and in addition to the cooling base reaching the housing through the porous material portion of the housing, the cooling base is porous. Since the permeation time into the material is almost constant, the dispersion of the time until the cooling base and the cooling reactant undergo an endothermic reaction is reduced, and if the structure is the same, the dispersion of the quality among the cooling bodies is less likely to occur. .

[0012] The cooling body according to the present invention may be such that the cooling base contains water as required, and at least a part of the housing for housing the cooling reactant is made of a water-soluble material. It is. As described above, in the present invention, at least a part of the housing is formed of a water-soluble material, and the cooling base containing water dissolves the water-soluble material portion of the housing to reach the housing. Since the time for the agent to dissolve the water-soluble material part is almost constant, the dispersion of the time until the cooling base and the cooling reactant undergo an endothermic reaction is reduced, and if the composition is the same, the quality of each cooling body varies. Is unlikely to occur. In addition, since the barrier to the cooling base is removed after the water-soluble material portion is melted, the cooling base spreads over the entire cooling reactant, and an endothermic reaction easily occurs.

[0013] In the cooling body according to the present invention, if necessary, the cooling base contains moisture, and at least a part of the storage body for storing the cooling reactant is made of a water-permeable material. It is. As described above, in the present invention, at least a part of the housing is formed of a water-permeable material, and in addition to the cooling base reaching the housing through the water-permeable material portion of the housing, the cooling base is formed of a water-permeable material. Since the time to penetrate the conductive material is almost constant, the variation in the time until the endothermic reaction between the cooling base and the cooling reactant is reduced, and if the configuration is the same, the quality of each cooling body is less likely to vary .
In addition, the time until the endothermic reaction starts can be easily adjusted by changing the thickness or the material of the water-permeable material.

Further, in the cooling body according to the present invention, if necessary, at least a part of the storage body for storing the cooling reactant is a sheet made of a synthetic resin and has a large number of pores formed in the front and back directions. It has been done. As described above, in the present invention, at least a part of the storage body is formed of a synthetic resin sheet having a large number of pores, and the cooling base material passes through each pore of the sheet part of the storage body. In addition to reaching the housing, the time for the cooling base to pass through each of the pores is almost constant, so that the dispersion of the time until the cooling base and the cooling reactant undergo an endothermic reaction is reduced, and the configuration is reduced. If they are the same, it is possible to make it difficult for variations in quality among the cooling bodies to occur, and it is possible to easily adjust the time until the endothermic reaction starts by changing the size and number of the pores.

In the cooling body according to the present invention, if necessary, at least a part of the storage body for storing the cooling reactant is joined with one or more sheet-like bodies via a predetermined adhesive. And a solvent for dissolving the adhesive in the storage portion of the cooling base, together with the cooling base. As described above, in the present invention, the storage body of the cooling reactant is formed in a sealed bag-like body using the adhesive, and the solvent for dissolving the adhesive is stored together with the cooling base, and an external force is applied. By breaking the partition part and the cooling base and the solvent reach the storage body of the predetermined cooling reactant, the solvent dissolves the adhesive and allows the endothermic reaction between the cooling base and the cooling base in the storage body, In parallel with the solvent dissolving the adhesive one after another, the cooling reactant and the cooling base in each container undergo an endothermic reaction, and the endothermic reaction can proceed little by little, and the cooling state can be prolonged. Time can be maintained. Furthermore, the time during which the solvent dissolves the adhesive and the cooling reactant and the cooling base can undergo an endothermic reaction is substantially constant,
Variations in the time until the cooling base and the cooling reactant undergo an endothermic reaction are reduced, and if the configuration is the same, it is possible to make it difficult for variations in the quality of each cooling body to occur, and to mix the solvent that dissolves the adhesive. By changing the time, it is possible to easily adjust the time until the cooling base and the cooling reactant can undergo an endothermic reaction.

Further, the cooling body according to the present invention has at least one end integrally attached to the outside of the housing for housing the cooling reactant and draws the other end out of the cooling body as required. A tie is provided, and when the tie is strongly pulled from the outside of the cooling body, the storage body for storing the cooling reactant is torn. As described above, according to the present invention, one end of the lace body is attached to the storage body that stores the cooling reactant, and the other end of the lace body is disposed in a state of being pulled out to the outside. By letting the body break,
When a cooling state is required in a short time, the strap is pulled strongly outward to break the container, and the endothermic reaction between the cooling base and the cooling reactant can be started immediately, and quickly when necessary. A cooling state can be obtained.

In the cooling body according to the present invention, a hole having a predetermined shape is integrally attached to one end as required,
A ligature body having the one end portion housed inside the housing body for housing the cooling reactant and having the other end side drawn out of the cooling body; and when the lace band body is strongly pulled from the outside of the cooling body, the hole is expanded. The part breaks through the storage body from the inside. As described above, in the present invention, one end portion of the strap body to which the widened portion is attached is housed inside the housing body for accommodating the cooling reactant, and the other end of the strap body is disposed in a state of being pulled out to the outside. When the cooling condition is required in a short time by pulling the tie body from the outside and pulling the tie body, if the cooling condition is required in a short time, the tie body is pulled strongly to the outside to break the storage body and the cooling base and cooling The endothermic reaction with the reactant can be started immediately, and the cooling state can be quickly obtained when needed.

Further, in the cooling body according to the present invention, if necessary, at least a part of the storage body storing the cooling reactant is made of a brittle material, and the storage body is broken when the brittle material is folded from the outside. is there. Thus, in the present invention, at least a part of the storage body is formed of a brittle material,
When an external force is applied to the brittle material portion of the storage body to break it, the storage body breaks and the cooling base reaches the storage body, and the cooling base and the cooling reactant undergo an endothermic reaction. In such a case, the brittle material portion is broken from the outside to break the container, and the endothermic reaction between the cooling base and the cooling reactant can be immediately started, so that a cooling state can be quickly obtained when necessary.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment of the Present Invention) Hereinafter, a cooling body according to a first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a schematic cross-sectional view of a cooling body according to the present embodiment.

In FIG. 1, the cooling body according to the present embodiment has a first storage body 1 as an outermost hermetically sealed bag-like body. Base container 3 which is a sealed bag-like body as a partition for separating the cooling reactant
Are stored, and the cooling base 2 is sealed in the base storage body 3. In addition, a cooling reagent 6a and a second storage body 4a are stored in the first storage body 1.

The second container 4a is also a closed bag,
The cooling reactant 6b and the third storage body 4b are stored therein,
Further, a cooling reactant 6c is also stored in the third storage body 4b. The second storage body 4a and the third storage body 4b
Are provided with adhesives 5a, 5a and 5b, respectively, with annular porous materials 7a, 7b interposed between two synthetic resin sheets.
This is a configuration in which a sealed bag is formed by bonding at b.

Next, the cooling state of the cooling body based on the above configuration will be described. First, when the user breaks the base storage body 3 in the first storage body 1 by a means such as hitting from the outside of the first storage body 1, the base storage body 3 The cooling base 2 comes out and reacts with the cooling reactant 6a. When the endothermic reaction has progressed to some extent with the cooling reactant 6a, the cooling base 2 penetrates into the porous material 7a of the second storage body 4a, and the second storage body 4a
It reaches the inner side and starts an endothermic reaction with the cooling reactant 6b inside. Next, the cooling base 2 penetrates into the porous material 7b of the third storage body 4b and reaches the inside of the third storage body 4b, and the cooling base 2 is cooled by the cooling reactant 6c in the third storage body 4b. And endothermic reaction.

In the second storage body 4a and the third storage body 4b, the cooling base 2 does not pass through the synthetic resin material part, and the cooling base 2 permeates only from the porous materials 7a and 7b. In addition, there is no change in the ability of the cooling base 2 to penetrate into each porous material, and the time until the cooling base 2 permeates the porous material and reaches the inside of the housing is substantially constant. The time required for the cooling reactants 6b and 6c to undergo an endothermic reaction is substantially uniform with the same structure, and there is almost no variation in quality among cooling bodies.

Further, the second storage body 4a and the third storage body 4b
Is located near the center of the first housing 1 and the endothermic reaction proceeds toward the inside of the cooling body, whereby the first housing 1
The temperature decrease due to the endothermic reaction spreads to the whole, and the first container 1
There is no bias in the cooling state. In the cooling body according to the embodiment, the storage body is configured to use up to the third storage body 4b. However, the present invention is not limited to this, and the fourth storage body,
A configuration in which a fifth storage body or the like is provided can also be adopted, and the cooling period can be further extended by providing multiple storage bodies.

(Second Embodiment of the Present Invention) The second embodiment of the present invention
A cooling body according to the embodiment will be described with reference to FIG. FIG. 2 is a schematic sectional view of the configuration of the cooling body according to the present embodiment.

In FIG. 2, the cooling body according to the present embodiment includes a base storage body 3, a cooling reactant 6a and a second storage body 4a in a first storage body 1, as in the first embodiment. This is a multiplex configuration in which the cooling agent 6b and the third storage body 4b are housed in the second storage body 4a, but the difference is that the second storage body 4a and the third storage body 4b are fixed adhesive. 13
a, 13b, and a cord band 11a that penetrates through the second container 4a and the first container 1 to the outside from the third container 4b and is disposed inside the second container 4a. A string band 11b penetrating through the first storage body 1 and reaching the outside is provided, and a protrusion as the widening portion is provided at the tip of the string band 11a, 11b inside the third storage body 4b or the second storage body 4a. The second storage body 4a and the third storage body 4b can be respectively broken by attaching 12a, 12b and strongly pulling out the cord bands 11a, 11b to the outside.

Next, the cooling state of the cooling body based on the above configuration will be described. As in the first embodiment, when the user wants to obtain the cooling capacity as soon as possible after the user breaks the base container 3 by means such as tapping from the outside of the first container 1, the cord band 11b is moved to the outside. The projection 12b
Penetrates, the second storage body 4a is broken, the cooling base 2 immediately enters the second storage body 4a, the endothermic reaction between the cooling base 2 and the cooling reactant 6b proceeds, and the strong cooling state is quickly can get. When the cooling capacity is required in a shorter time, the string 12a is strongly pulled outward, so that the protrusion 12a penetrates, the second storage body 4a and the third storage body 4b are both broken, and the cooling base 2 Immediately enters the second storage body 4a and the third storage body 4b, the endothermic reaction between the cooling base 2 and the cooling reactants 6b and 6c proceeds, and a strong cooling state can be immediately obtained.

(Third Embodiment of the Present Invention)
A cooling body according to the embodiment will be described with reference to FIG. FIG. 3 is a schematic sectional view of the configuration of the cooling body according to the present embodiment.

In FIG. 3, the cooling body according to the present embodiment includes a base storage body 3, a cooling reactant 6a and a second storage body 4a in a first storage body 1, as in the first embodiment. The second storage body 4a and the third storage body 4b are made of synthetic resin, while the cooling storage agent 6b and the third storage body 4b are stored in the second storage body 4a. The sheet-like bodies are directly adhered to each other with an adhesive (not shown) to form a sealed bag-like body, and a cooling medium 2 and a solvent for dissolving the adhesive are stored in a base storage body 3. It has a configuration.

Next, the cooling state of the cooling body based on the above configuration will be described. First, as in the first embodiment, when the user breaks the base storage body 3 in the first storage body 1 by means such as hitting the base storage body 3 from outside the first storage body 1. Then, the cooling base 2 and the solvent come out of the base housing 3, the cooling base 2 reacts with the cooling reactant 6a, and the solvent reaches the second housing 4a to start dissolving the adhesive. When the endothermic reaction has progressed to some extent with the cooling reactant 6a, the second container 4a
Is melted, and the cooling base 2 reaches the inside of the second container 4a and starts an endothermic reaction with the cooling reactant 6b therein. At this time, the solvent reaches the third container 4b in the second container 4a and starts dissolving the adhesive. After a while, the adhesive of the third container 4b melts, and the cooling base 2 is removed from the third container 4b.
b and the endothermic reaction with the cooling reactant 6c therein is started.

As described above, in parallel with the solvent dissolving the adhesive in the storage body one after another, the cooling reactant and the cooling base in each storage body undergo an endothermic reaction, and the endothermic reaction gradually proceeds. It can proceed and can keep the cooling state for a long time. Also, the ability of the solvent to dissolve the adhesive hardly changes, and the time during which the solvent dissolves the adhesive and allows the endothermic reaction between the cooling reactant and the cooling base is substantially constant. The time until the endothermic reaction of the cooling reactants 6b and 6c becomes almost uniform with the same structure, there is almost no variation in the quality of each cooling body, and the composition of the solvent for dissolving the adhesive is changed to change the base. By storing in the storage body 3, the time until the cooling base 2 and the cooling reactants 6b and 6c can undergo an endothermic reaction can be easily adjusted.

(Fourth Embodiment of the Present Invention) The fourth embodiment of the present invention
A cooling body according to the embodiment will be described with reference to FIG. FIG. 4 is a schematic sectional view of the configuration of the cooling body according to the present embodiment.

In FIG. 4, the cooling body according to the present embodiment includes a base storage body 3 and a cooling reactant 6 in a first storage body 1.
a and the second storage body 4a and the third storage body 4
This is a configuration in which two “b” s are stored in parallel. The cooling base 2 is sealed in the base storage body 3. The second storage body 4a
The third storage body 4b is formed as a sealed bag-like body by adhering each other with adhesives 5a and 5b with two annular porous materials 7a and 7b interposed between two synthetic resin sheet bodies. Configuration. The second storage body 4a and the third storage body 4
b contains cooling reactants 6b and 6c, respectively.

A porous material 7a in the second container 4a;
The thickness of the porous material 7b in the third storage body 4b from the outside to the inside is different, and the thickness of the porous material 7b is larger than that of the porous material 7a. Thus, the time for the cooling base 2 to penetrate the porous material portion and reach the inside of the storage body is shorter in the second storage body 4a than in the third storage body 4b.

Next, the cooling state of the cooling body based on the above configuration will be described. First, when the user breaks the base storage body 3 in the first storage body 1 by a means such as hitting from the outside of the first storage body 1, the base storage body 3 The cooling base 2 comes out and reacts with the cooling reactant 6a. When the endothermic reaction has progressed to some extent with the cooling reactant 6a, the cooling base 2 penetrates into the porous material 7a of the second storage body 4a, and the second storage body 4a
It reaches the inner side and starts an endothermic reaction with the cooling reactant 6b inside. After a while, the cooling base 2 is moved to the third container 4b.
And reaches the inside of the third storage body 4b, and starts an endothermic reaction with the cooling reactant 6c therein.

As described above, the second storage body 4a and the third storage body 4b are arranged in parallel inside the first storage body 1,
a, By making the third storage body 4b the same size, the types of storage bodies can be reduced, and the productivity can be improved.

(Fifth Embodiment of the Present Invention) The fifth embodiment of the present invention
A cooling body according to the embodiment will be described with reference to FIG. FIG. 5 is a schematic sectional view of the configuration of the cooling body according to the present embodiment.

In FIG. 5, the cooling body according to the present embodiment has a first storage body 1, a second storage body 4a, and a third storage body 4b, which are storage bodies made of synthetic resin, respectively. And the second storage body 4a are adjacent to each other by sharing a part of the exterior of the storage body, and the second storage body 4a and the third storage body 4b are adjacent to each other by sharing the external part of the storage body. This is a configuration that is integrally disposed. A cooling reactant 6 is provided inside the first container 1.
a and the base storage body 3 are stored therein, and the cooling base 2 is stored in the base storage body 3.

Openings are formed in adjacent portions of the first housing 1 and the second housing 4a and in portions of adjacent portions of the second housing 4a and the third housing 4b. Sheets 10a, 10b made of synthetic resin are provided with adhesives 5a, with annular porous materials 7a, 7b interposed therebetween so as to cover the portions.
5b. Cooling reactants 6b and 6c are stored in the second storage body 4a and the third storage body 4b, respectively.

Next, the cooling state of the cooling body based on the above configuration will be described. First, when the user breaks the base storage body 3 in the first storage body 1 by a means such as hitting from the outside of the first storage body 1, the base storage body 3 The cooling base 2 comes out and reacts with the cooling reactant 6a. When the endothermic reaction has progressed to some extent in the cooling reactant 6a, the cooling base 2 penetrates the porous material 7a and reaches the inside of the second storage body 4a, where the cooling base material 2a and the cooling reactant 6b in the second storage body 4a are absorbed. Start the reaction. After a while, the cooling base 2 permeates the porous material 7b and reaches the inside of the third storage body 4b, where the third storage body 4b
Start an endothermic reaction with the cooling reactant 6c.

In the endothermic reaction between the cooling base 2 and the cooling reactant, the second storage body 4a and the third storage body 4b react later than the first storage body 1, so that the head of the person who is lying on the back is When the first storage body 1 side is used for cooling, for example, in the case of cooling, the portions of the second storage body 4a and the third storage body 4b are insulated from the outside until the cooling reactant reacts. , Cooling efficiency is improved.

Further, since the size of each storage body can be manufactured in the same size, the number of types of storage bodies can be reduced, and the cooling body can be configured by adjoining the storage bodies, so that the manufacturing process can be simplified and the productivity can be improved. Can be improved.

In the cooling body according to the above-described embodiment, a hole is formed in the portion adjacent to the first housing 1 and the second housing 4a and in the portion adjacent to the second housing 4a and the third housing 4b. Sheet 10 made of synthetic resin to cover the opened opening
a, 10b are arranged, but not limited to this,
Instead of the sheets 10a and 10b, a plate-like body made of a brittle material may be directly bonded with the adhesives 5a and 5b so as to cover the opening. When the plate-shaped body between the body 1 and the second storage body 4a is folded,
Immediately after the cooling base 2 starts an endothermic reaction with the cooling reactant 6b, a strong cooling state is obtained in a short time. Subsequently, when the plate-shaped body between the second storage body 4a and the third storage body 4b is further folded, The cooling base 2 starts an endothermic reaction with the cooling reactant 6c, so that a more powerful cooling state can be immediately obtained. Further, a groove or the like may be formed in a part of the plate-shaped body of the brittle material so as to be easily folded. Further, the sheets 10a, 1
Instead of 0b, a configuration using a sheet material made of a porous material or a water-soluble or water-permeable material may be used.

In the cooling body according to the above-described embodiment, the first housing 1 and the base storage body 3 are independent from each other. It is also possible to adopt a configuration in which the exterior is partially shared with the body 1 and disposed adjacent to the body 1.

(Sixth Embodiment of the Present Invention) The sixth embodiment of the present invention
A cooling body according to the embodiment will be described with reference to FIG. FIG. 6 shows a schematic configuration cross-sectional view of the cooling body according to the present embodiment.

In FIG. 6, the cooling body according to the present embodiment is a laminated state having a space inside by bonding the edges of synthetic resin sheets 8a, 9a, 9b, 8d with an adhesive or heat bonding. And a sheet 9 made of synthetic resin
a and a part of the sheet 9b are provided with openings, and the synthetic resin sheets 10a and 10b are bonded with adhesives 5a and 5b with annular porous materials 7a and 7b interposed therebetween so as to close the openings. Also, straps 11a, 11b are attached to the respective surfaces of the sheets 10a, 10b, and the straps 11a, 11b
1b is between the sheets 8a and 9a and the sheet 9a
And 9b, and are pulled out to the outside, and the sheet 10a, 10b can be broken by strongly pulling the cord bands 11a, 11b outward. Cooling reactants 6a, 6b, 6c are stored in the spaces between the sheets 8a, 9a, 9b, 8d, respectively. Further, the cooling base 2 is provided between the sheet 8a and the sheet 9a.
Is stored.

Next, the cooling state of the cooling body based on the above configuration will be described. First, if the user wants to obtain the cooling capacity as soon as possible after breaking the base container 3 by means such as tapping from the outside of the sheet 8a, the sheet 10a is strongly pulled outward so that the sheet 10a After leaving the sheet 9a, the cooling base 2 immediately enters between the sheets 9a and 9b, the endothermic reaction between the cooling base 2 and the cooling reactant 6b proceeds, and a strong cooling state is obtained quickly. If the cooling capacity is required in a shorter time, the sheet 10b is separated from the sheet 9b by strongly pulling the strap 11b outward, and the cooling base 2 immediately enters between the sheets 9b and 8d. The endothermic reaction between the cooling base 2 and the cooling reactant 6c proceeds, and a strong cooling state can be immediately obtained.

(Seventh Embodiment of the Present Invention) The seventh embodiment of the present invention
A cooling body according to the embodiment will be described with reference to FIG. FIG. 7 is a schematic sectional view of the configuration of the cooling body according to the present embodiment.

In FIG. 7, the cooling body according to the present embodiment has a laminated state in which sheets 8a, 8b, 8c, and 8d made of synthetic resin are bonded to each other at their edges with an adhesive or heat, and have a space inside. And many holes are formed in the sheets 8b and 8c, and the sheets 8a, 8b,
In each space between 8c and 8d, the cooling reactants 6a, 6b,
6c is stored, and the base storage body 3 is inserted between the sheets 8a and 8b to store the cooling base 2 therein.

Next, the cooling state of the cooling body based on the above configuration will be described. First, when the user breaks the base container 3 by means such as tapping from the outside of the sheet 8a, the cooling base 2 comes out of the base container 3 and reacts with the cooling reactant 6a. When the endothermic reaction has progressed to some extent with the cooling reactant 6a, the cooling base 2 passes through the pores of the sheet 8b to reach the space between the sheets 8b and 8c, and the cooling reactant 6b therein
And endothermic reaction. After a while, the cooling base 2
Are passed through the pores of the sheet 8c and the sheets 8c and 8
The space reaches the space between the two and starts the endothermic reaction with the cooling reactant 6c therein.

The sheet made of synthetic resin is inexpensive, has sufficient durability, the size and number of pores can be easily adjusted, and it is easy to change the time until the cooling reactant undergoes an endothermic reaction. In addition, the performance of the cooling body hardly varies.

In the cooling body according to the above embodiment, the synthetic resin sheet 8b having a large number of pores is provided.
8c is arranged so that a predetermined time is required for the cooling base 2 to reach the adjacent space side. In addition, instead of the sheets 8b and 8c, the cooling base 2 is similarly provided. It is also possible to adopt a structure using a porous material or a sheet of a water-soluble or water-permeable material, which is a material requiring a predetermined time to reach the adjacent space 2.

[0053]

[Embodiment] Hereinafter, the evaluation results of the cooling performance of the cooling body according to the present invention in the case where the storage body containing the cooling reactant is multiplexed (first embodiment) will be described. As an example, ammonium nitrate is used as a cooling reactant, and water is used as a cooling base, respectively, and the first storage body has a second storage body and a third storage body based on the first embodiment, The amount of ammonium nitrate used is 45 per container.
g, and the total was 135 g, and the water was evaluated as 80 cc. In addition, as a comparative example, a configuration including only the first storage body,
Evaluation was also made of a case where 135 g of ammonium nitrate was stored inside.

In each case, the temperature is 29 ° C., the water temperature is 28 ° C., the material of the housing is polyethylene, and the dimensions of the first housing are 170 mm × 120 mm × 0.04 mm. The dimensions of the second storage body are 135 mm x 95 mm x 0.0
4mm, the dimensions of the third container are 90mm x 75mm x 0.
04 mm.

FIG. 8 shows the relationship between the cooling body temperature and the elapsed time in each example as an evaluation result. As shown in FIG. 8, in the comparative example, it takes about 90 minutes to increase the temperature to 19 ° C. and about 180 minutes to increase the temperature to 24 ° C. In contrast to the temperature of 19 ° C. (temperature difference of 14 ° C.), in the case of the embodiment, it takes about 180 minutes for the temperature to rise to 19 ° C., and the cooling period is maintained about twice in terms of time. Further, it can be seen that the temperature change for 90 minutes from the start of cooling is 15 ° C. to 19 ° C. (temperature difference 4 ° C.), and the range of the temperature change is small.

As shown in FIG. 8, the cooling base 2 comes out of the base storage body 3 and reacts with the cooling reactant 6a in the first storage body 1 in FIG. 1 (part A in FIG. 8). When the endothermic reaction has progressed to some extent in 6a, the cooling base material 2 penetrates into the porous material 7a of the second housing 4a and starts an endothermic reaction with the cooling reactant 6b in the second housing 4a (see FIG. 8). Part B), when the endothermic reaction has progressed to some extent with the cooling reactant 6b, the cooling base 2 penetrates into the porous material 7b of the third storage body 4b, and the third storage body 4
The state where the endothermic reaction with the cooling reactant 6c in b starts (part C in FIG. 8) is clear.

[0057]

As described above, according to the present invention, a plurality of storage bodies for accommodating the cooling reactant are arranged, and the cooling reactant is divided and accommodated in the plurality of storage bodies to cool the predetermined storage body. After the endothermic reaction between the reactant and the cooling base, by starting an endothermic reaction between the cooling base and the cooling reactant in another container,
When an external force is applied to break the partition separating the cooling base and the cooling base, first, the cooling base and the cooling base in the predetermined housing undergo an endothermic reaction, and then the cooling base in another storage body. Endothermic reaction between the cooling base material and the cooling base material, and the cooling base material and the cooling base material endothermic reaction one after another, and the endothermic reaction can proceed little by little, and the endothermic reaction proceeds excessively. There is an effect that the cooling state can be maintained for a long time without being too cold. Further, according to the present invention, a plurality of storage bodies for storing the cooling reactant are arranged in a multiplex manner in a state of storing another storage body together with the cooling reactant inside the storage body, and the outermost when the external force is applied, The cooling reactant and the cooling base in the first storage body endothermic, and then the cooling reactant and the cooling base in the second storage body in the storage body endothermic, and further, the storage By continuing the endothermic reaction between the cooling reactant and the cooling base in the body, the endothermic reaction can progress little by little, and the cooling state can be maintained for a long time without the endothermic reaction progressing at once. It has the effect that can be done. In addition, since the endothermic reaction proceeds toward the inside of the housing, the temperature of the entire outer housing is reduced due to the endothermic reaction, so that the cooling state is not biased. Further, according to the present invention, a plurality of storage bodies for storing the cooling reactant are arranged in parallel, and when the cooling reactant and the cooling base in the predetermined storage body start an endothermic reaction, another storage juxtaposed side by side. In the body, the cooling reactant and the cooling base start an endothermic reaction, and the endothermic reaction progresses little by little in each container, so that the cooling state is maintained for a long time without the endothermic reaction progressing at once. It has the effect that can be done. Further, according to the present invention, a plurality of storage bodies accommodating the cooling reactant are arranged adjacent to each other in a stacked state, and the cooling reactant and the cooling base in a predetermined storage body undergo an endothermic reaction, and are next adjacent. Even in another container, the cooling reactant and the cooling base start an endothermic reaction, and the endothermic reaction progresses little by little in each adjacent container, so that the endothermic reaction does not proceed at once and the cooling state Can be maintained for a long time. In addition, when the storage body that undergoes an endothermic reaction is used in an arrangement close to the object to be cooled, only the closest storage body is cold, and another adjacent storage body reacts later, so that the cooling reactant is used. Until the cooling base reacts with the cooling base, the unreacted storage part will act as a heat insulator between the surrounding air, reducing the flow of excess heat and improving the efficiency of cooling in the endothermic reaction part. Have. Further, according to the present invention, at least a part of the storage body is formed of a porous material, and in addition to the cooling base reaching the storage body through the porous material portion of the storage body,
The constant time for the cooling base to penetrate into the porous material reduces the variation in the time until the cooling base and the cooling reactant undergo an endothermic reaction. This has the effect that variation hardly occurs.
According to the present invention, at least a part of the storage body is formed of a water-soluble material, and in addition to the cooling base containing water dissolving the water-soluble material portion of the storage body and reaching the storage body,
Since the time for the cooling base to dissolve the water-soluble material portion is constant, the variation in the time until the cooling base and the cooling reactant undergo an endothermic reaction is reduced. This has the effect of hardly causing variations. In addition, since the barrier to the cooling base is removed after the water-soluble material portion is melted, the cooling base spreads over the entire cooling reactant, so that an endothermic reaction is easily caused. Further, according to the present invention, at least a part of the storage body is formed of a water-permeable material, and in addition to the cooling base reaching the storage body through the water-permeable material portion of the storage body, the cooling base is formed of a water-permeable material. The constant penetration time into the conductive material reduces the variation in the time until the endothermic reaction between the cooling base and the cooling reactant, and if the configuration is the same, the quality of each cooling body is less likely to vary. Has an effect. In addition, there is an effect that the time until the endothermic reaction starts can be easily adjusted by changing the thickness or the material of the water-permeable material. According to the present invention, at least a part of the storage body is formed of a synthetic resin sheet having a large number of pores,
In addition to the cooling base reaching the storage body through the respective pores in the sheet-shaped body portion of the storage body, the cooling base and the cooling base are provided because the time for the cooling base to pass through the respective pores is constant. Variations in the time required for the reactants to undergo an endothermic reaction are reduced, and if the composition is the same, it is possible to reduce variations in the quality of each cooling body, and the endothermic reaction is started by changing the size and number of pores This has the effect that the time until the operation can be easily adjusted. Further, according to the present invention, the storage body for the cooling reactant is formed in a sealed bag-like body using an adhesive, and the solvent for dissolving the adhesive is stored together with the cooling base, and an external force is applied. By breaking the partition part and the cooling base and the solvent reach the storage body of the predetermined cooling reactant, the solvent dissolves the adhesive and allows the endothermic reaction between the cooling base and the cooling base in the storage body, In parallel with the solvent dissolving the adhesive one after another, the cooling reactant and the cooling base in each container undergo an endothermic reaction, and the endothermic reaction can proceed little by little, and the cooling state can be prolonged. This has the effect that time can be maintained. Furthermore, the time during which the solvent dissolves the adhesive and the cooling reactant and the cooling base can undergo an endothermic reaction is constant, and the variation in the time until the cooling base and the cooling base undergo an endothermic reaction is reduced. If the cooling agent is the same, it is possible to make it difficult for variations in the quality of each cooling body to occur, and by changing the composition of the solvent that dissolves the adhesive, the time until the cooling base and the cooling reactant can undergo an endothermic reaction is reduced. This has the effect that it can be easily adjusted. Further, according to the present invention, one end of the cord band is attached to the container for containing the cooling reactant, and the other end of the cord band is disposed in a state of being pulled out to the outside. When the cooling condition is required in a short time by making the body torn, pull the tie body outwards to break the container and immediately start the endothermic reaction between the cooling base and the cooling reactant It is possible to quickly obtain a cooling state when needed. Further, according to the present invention, one end portion of the strap body to which the widened portion is attached is housed inside the housing body for accommodating the cooling reactant, and the other end of the strap body is disposed in a state of being pulled out to the outside. When the cooling condition is required in a short time by pulling the tie body from the outside and pulling the tie body, if the cooling condition is required in a short time, the tie body is pulled strongly to the outside to break the storage body and the cooling base and cooling The endothermic reaction with the reactant can be started immediately, and the cooling state can be quickly obtained when needed.
Further, according to the present invention, at least a part of the storage body is formed of a brittle material, and when a brittle material portion of the storage body is folded by applying an external force, the storage body is broken and the cooling base reaches the storage body, and the cooling base is cooled. When a cooling state is required in a short time due to the endothermic reaction between the base and the cooling reactant, the brittle material portion is folded from the outside to break the container, and the endothermic reaction between the cooling base and the cooling reactant Is immediately started, and the cooling state can be quickly obtained when needed.

[Brief description of the drawings]

FIG. 1 is a schematic configuration sectional view of a cooling body according to a first embodiment of the present invention.

FIG. 2 is a schematic configuration sectional view of a cooling body according to a second embodiment of the present invention.

FIG. 3 is a schematic configuration sectional view of a cooling body according to a third embodiment of the present invention.

FIG. 4 is a schematic configuration sectional view of a cooling body according to a fourth embodiment of the present invention.

FIG. 5 is a schematic configuration sectional view of a cooling body according to a fifth embodiment of the present invention.

FIG. 6 is a schematic configuration sectional view of a cooling body according to a sixth embodiment of the present invention.

FIG. 7 is a schematic configuration sectional view of a cooling body according to a seventh embodiment of the present invention.

FIG. 8 is a graph of cooling body temperature and elapsed time in Examples and Comparative Examples of the present invention.

FIG. 9 is a schematic sectional view of the configuration of a conventional cooling body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 First storage body 2, 104 Cooling base 3 Base storage body 4a Second storage body 4b Third storage body 5a, 5b Adhesive 6a, 6b, 6c, 103 Cooling reactant 7a, 7b Porous material 8a, 8b , 8c, 8d Sheet 9a, 9b Sheet 10a, 10b Sheet 11a, 11b String band 12a, 12b Projection 13a, 13b Adhesive 101 Package 102 Package

Claims (12)

[Claims] 1. A cooling base and a cooling reactant that undergoes an endothermic reaction with the cooling base are housed adjacent to each other with a predetermined partition therebetween, and the cooling base and the cooling base are broken by externally breaking the partition during use. In a cooling body that causes an endothermic reaction with the reactant, a plurality of storage bodies for storing the cooling reactant are provided, and after the cooling reactant of a predetermined storage body among the plurality of storage bodies undergoes an endothermic reaction with the cooling base, another Wherein the cooling reactant of the container starts an endothermic reaction with the cooling base. 2. The cooling body according to claim 1, wherein the storage body storing the cooling reactant is arranged in a multiplex arrangement in which another storage body is stored inside a predetermined storage body. A cooling body characterized by the above. 3. The cooling body according to claim 1, wherein the storage body storing the cooling reactant is arranged in a parallel arrangement in which a predetermined storage body is juxtaposed with another storage body. And cooling body. 4. The cooling body according to claim 1, wherein the storage body for storing the cooling reactant shares another exterior of the storage body and another storage body is adjacent to a predetermined storage body. A cooling body, wherein the cooling body is arranged in a stacked arrangement as follows. 5. The cooling body according to claim 1, wherein at least a part of the storage body that stores the cooling reactant is:
A cooling body comprising a porous material. 6. The cooling body according to claim 1, wherein the cooling base contains water, and at least a part of the storage body that stores the cooling reactant includes:
A cooling body comprising a water-soluble material. 7. The cooling body according to claim 1, wherein the cooling base contains water, and at least a part of the storage body that stores the cooling reactant includes:
A cooling body comprising a water-permeable material. 8. The cooling body according to claim 1, wherein at least a part of the storage body that stores the cooling reactant is:
A cooling body comprising a sheet-shaped body made of a synthetic resin and having a large number of pores formed in front and back directions. 9. The cooling body according to claim 1, wherein at least a part of the storage body that stores the cooling reactant is:
One or a plurality of sheet-like bodies are formed by joining together via a predetermined adhesive, and a solvent for dissolving the adhesive is stored in the storage portion of the cooling base together with the cooling base. Cooling body. 10. The cooling body according to any one of claims 1 to 9, wherein at least one end is integrally attached to the outside of the housing for housing the cooling reactant, and the other end is outside the cooling body. A cooling body comprising: a drawn-out strap, wherein if the strap is strongly pulled from the outside of the cooling body, a storage body containing the cooling reactant is broken. 11. The cooling body according to claim 1, wherein a widened portion having a predetermined shape is integrally attached to one end of the cooling body, and the one end is provided inside a housing body for housing the cooling reactant. A part is housed, and the other end side is provided with a lace body pulled out to the outside of the cooling body, and when the lace body is strongly pulled from the outside of the cooling body, the opening portion penetrates the housing body from inside and breaks. Characterized cooling body. 12. The cooling body according to claim 1, wherein at least a part of the storage body for storing the cooling reactant is made of a brittle material, and the storage body is folded when the brittle material is folded from the outside. A cooling body characterized in that it is broken.