JP2001061882A - Cold reserving bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently cool a cold reserving bag by arranging and constituting a cold accumulating material on the upper side and a synthetic resin formed granular body layer on the underside so that both are not mixed with each other. SOLUTION: A heat insulating bag 3 sealed with a synthetic resin foamed granular body 5 is arranged on the underside of a cold accumulating bag 2 sealed with a cold accumulating material 9, and the whole is stored in a body bag 4 to constitute a cold reserving bag 1. The cold reserving bag 1 and the heat insulating bag 3 are not always required, and may be stored in the body bag 4 so that both are not mixed with each other. For example, the inside of the body bag 4 is partitioned into upper/lower two chambers, the cold accumulating material 9 is sealed in the upper chamber, and the synthetic resin foamed granular body 5 may be sealed in the lower chamber. This constitution can utilize cooling capacity of the cold accumulating material 9 at an effectively high rate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulated bag suitable for use mainly as an insulated pillow in order to obtain a refreshing feeling at the time of fever or toothache due to illness or in summer.

[0002]

2. Description of the Related Art Cold storage pillows, which are used after cooling a regenerative material, that is, a regenerative storage bag enclosing a reusable chemical substance by repeatedly storing a negative amount of heat in a refrigerator or freezer, are used in ordinary households and homes. Widely used in hospitals.

[0003] A conventional cool pillow generally has a cool storage material sealed in a vinyl chloride resin bag or the like, and the upper and lower surfaces of the bag are covered with a synthetic resin sheet or sponge-like material and stored in front and back bags. It is.

[0004] However, those covered with a sheet absorb the surrounding heat from below the cool pillow, so that the cooling capacity of the cold storage material is not sufficiently used for cooling the head, and the sponge is not used. The thing covered with the shape is good at first, but with the passage of time, the sponge-like material loses its shape restoring property and becomes flat, and as a result, the same inconvenience as when it is covered with the above-mentioned sheet is seen. .

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention mainly provides a cooling device in which the cooling capacity of a cold storage material is effectively used for cooling the head as efficiently as possible. An object is to provide a cool bag suitable for use as a pillow.

[0006]

According to the present invention, the above-mentioned problems are solved as follows. (1) In the main body bag, a layer made of a cold storage material on the upper side, a layer made of a large number of synthetic resin foam granules on the lower side, and the cold storage material and the synthetic resin foam granules do not mix with each other. It is arranged in a manner.

(2) In the above item (1), a heat insulating bag containing a large number of synthetic resin foam granules is disposed below the cold storage bag containing the cold storage material, and these are stored in the main body bag. I do.

(3) In the above item (2), a heat medium layer made of a material having a thermal conductivity of 1.2 Kcal / m · h · deg or more is provided above and below the cold storage bag. The layers are arranged in a continuous form.

(4) In the above item (3), the mode in which the heat medium layers are arranged on the upper and lower sides of the cold storage bag is a bag made of a heat conductive cloth mixed with metallic fibers or powder. It is assumed that a cool storage bag is stored in the body.

(5) In the above item (3), the mode in which the heat medium layers are arranged on the upper and lower sides of the cold storage bag is a metal net or a heat conductive cloth mixed with metal fibers or powder. It is assumed that the object is bent into a U-shape and a cold storage bag is sandwiched in the U-shape.

(6) In any one of the above items (1) to (5), the synthetic resin foamed granular material is a spherical or bead having a particle diameter of 1.0 to 15 mm, a minor diameter of 1.0 to 10 mm, 1.5-major axis
20mm rugby ball, diameter 3-10mm, length 5
Either a pipe or a pillar having a size of ２０20 mm.

(7) In any one of the above items (1) to (6), the regenerator material may be a frozen bag or a frozen bag or a non-freezing gel or liquid containing a metal sphere. And

(8) In any one of the above items (2) to (7), the rectangular shape of the multilayer cloth-like material obtained by stacking three or more cloth-like materials having a rectangle slightly smaller than the rectangle of the cooling bag in plan view. Of the four sides, one to three sides are fixed to each other by sewing, heat-sealing, or an adhesive, and a cool storage bag alone or at an upper side and a lower side thereof at an arbitrary position between the plurality of cloth materials. It is clamped together with the arranged heat medium layer.

[0014]

FIG. 1 is a perspective view of a cool bag according to the present invention. The cool storage bag (1) is a cool storage bag with a cool storage material (9) enclosed.
A heat insulation bag (3) enclosing a synthetic resin foam granule (5) is provided below the (2), and these are housed in a main body bag (4).

Generally, a cool bag (1) and a heat insulating bag (3)
Is not always necessary, and a layer made of a regenerator material is formed on the upper side in the main body bag (4), a layer made of a plurality of synthetic resin foam granules is formed on a lower side, and the regenerator material and the synthetic resin foam granule are formed. What is necessary is just to arrange | position in the aspect which does not mix mutually. If mixed, the cooling capacity of the cold storage material cannot be used effectively.

FIG. 2 shows another embodiment, and is a drawing corresponding to the central longitudinal sectional view of the cool bag in FIG. As shown in FIG. 2, the inside of the main body bag (4) is divided into two upper and lower chambers,
The cold storage material (9) may be sealed in the upper compartment, and the synthetic resin foam granules (5) may be sealed in the lower compartment.

Further, after the main bag (4) is divided into upper and lower compartments, a cold storage bag (2) in which a cold storage material (9) is sealed in the upper compartment.
May be sealed in the lower compartment with an insulating bag (3) in which a synthetic resin foam granule (5) is sealed.

Further, for example, a cold storage bag is provided in the upper compartment.
The regenerative bag (2) in which (2) is sealed may be sealed, and the synthetic resin foam granules (5) may be directly sealed in the lower compartment.

In addition, these cool storage bags (2) and heat insulation bags (3)
But can be removed from the main body bag (4).
An outlet may be provided in (4).

When an outlet is provided, only the cool storage bag (2) can be taken out and cooled with a refrigerator or the like. Also, the heat insulation bag (3) can be appropriately replaced with another heat insulation bag.

When the outlet is not provided, the main bag (4) may be cooled in a refrigerator or the like.

FIG. 3 is a perspective view of a cool bag according to another embodiment of the present invention, and FIG. 4 is a longitudinal sectional view taken along line A-A in FIG.

The heat insulation bag (1) is provided with a heat insulation bag (3) enclosing a synthetic resin foam granule (5) below the cold storage bag (2) enclosing a cold storage material (9). These are accommodated in a main body bag (4) provided with an outlet by a fastener (10).

As the regenerator material (9), only one of non-freezing gel or liquid or freezing gel or liquid may be used, but when only freezing material is used,
If the pillow loses its flexibility and only non-frozen pillows are used, the time until the cold storage material (9) is sufficiently cooled beforehand in a refrigerator or the like to cool the pillow becomes long.

Therefore, it is better to use both the freezing property and the non-freezing property as the cold storage material (9). Specifically, it is preferable to use a non-freezing cold storage material (7) mixed with a large number of frozen sachets (6) in which the freezing cold storage material (8) is sealed and sealed in the cold storage bag (2).

In general, the non-freezing cold storage material (7) has a low thermal conductivity. In the present invention, when the cold storage material (9) is composed of only the non-freezing cold storage material, the cold storage bag (2) is used. In case of pre-cooling in a refrigerator or the like, it takes a long time to thermally equilibrate the core of the cold storage material (7) with the temperature of the cooling atmosphere in the refrigerator.

On the other hand, the freezing cold storage material (8) generally has a high thermal conductivity. Therefore, as described above,
When an antifreeze cold storage material (7) containing a frozen small bag (6) sealed with (8) is sealed in a cold storage bag (2) and cooled with a refrigerator or the like, the inner surface of the cold storage bag (2) The freezing regenerative material (8) existing in the vicinity quickly freezes in response to the cooling atmosphere temperature in the refrigerator. By this freezing, the thermal conductivity of the cold storage material (8) is significantly improved. For example, when water is used as the freezing cold storage material (8), the thermal conductivity is significantly increased by about 4 times as much as before freezing due to freezing.

[0028] Therefore, the frozen regenerator material (8) functions as a heat passage, and the temperature of the cooling atmosphere in the refrigerator is raised near the core of the non-freezing regenerative material (7) via the heat passage. As a result, the time required for the core portion of the non-freezing cold storage material (7) to thermally equilibrate with the cooling atmosphere temperature in the refrigerator is reduced.

Freezing pouch sealed with a freezing cold storage material (8)
The shape (6) may be any shape such as a spherical shape. For example, if the shape is a rod, a continuous passage can be obtained as the heat passage, which is more effective.

In this case, the rod-shaped frozen sachet (6) should be positioned so that the long direction of the rod-shaped frozen pouch (1) is in the direction of the short side of the rectangle of the cool pillow (1) so as not to impair the flexibility of the pillow. Is preferred.

To do so, as shown in FIG.
(2) is divided into a plurality of small chambers (2a) arranged in the long side direction, and as one of the preferable embodiments, a long freezing pouch (6) sealed with a freezing cold storage material is sealed in each small chamber. No.

As the freezing cold storage material (8), a conventionally known freezing gel or liquid is used. In particular, by using water, as described above, the cold storage material is cooled in advance by a refrigerator or the like. Can be shortened.

Similar effects can be obtained by using a metal sphere such as aluminum or copper, for example, a metal sphere having a particle size of 1.0 to 15 mm, instead of a freezing pouch sealed with a freezing cold storage material. can get.

As the non-freezing cold storage material (7), for example, gel water, a mixture of polyvinyl alcohol and ethylene glycol and other conventionally known materials are appropriately used.

A heat insulating bag (3) enclosing a synthetic resin foam granule (5) is provided below these cool storage bags (2).

As the synthetic resin foam granules (5), a particle size of 1.0 to 1 made of a foamed synthetic resin such as styrene foam is used.
5mm sphere or bead, minor axis 1.0-10mm,
Rugby ball-shaped body with a long diameter of 1.5 to 20 mm, diameter of 3 to 1
A pipe or column having a length of 0 mm and a length of 5 to 20 mm is preferably used.

By using a large number of granules (5) enclosed in a bag, the direction of the stress applied to each granule (5) will be different each time the cool bag (1) is used. Unlike in the case of using a mat-like sponge, stress is always applied in the same direction, and the sponge does not become flat with time.

In a layer formed by a large number of granules (5), air existing between the granules exerts a heat insulating effect,
In addition, since the granular material (5) is foamed, the heat insulating property is improved. Further, by using the granular material having the above-mentioned particle diameter, a space for air having a preferable volume can be formed between the granular materials due to a heat insulating effect.

As the bag for enclosing the synthetic resin foam granules (5), an appropriate cloth bag or mesh bag is used.

The cold storage bag (1) of the present invention is a heat insulation bag (3) enclosing the above synthetic resin foam granules (5),
(2) It is arranged below and housed in the main body bag (4).

The main body bag (4) is made of polyester, polyvinyl chloride, cotton or any other suitable material, and the opening for taking in and out the cold storage bag (2) uses a fastener (10) or the like. It is provided.

FIG. 4 is a longitudinal sectional view showing another embodiment of the cool insulating bag (1) of the present invention, which is cut along a plane parallel to the short side of the rectangle of the cool insulating pillow.

A cloth (12) made of a material having a thermal conductivity of at least 1.2 Kcal / m · h · deg is bent into a U-shape, and a cool storage bag (2) is clamped in the U-shape. .

As the cloth (12), a metal net or a thermally conductive cloth mixed with metal fibers or powder is generally used.

Instead of using the cloth (12) bent in a U-shape, a cold storage bag (2) is placed in a bag made of a heat conductive cloth mixed with metallic fibers or powder. May be accommodated.

In general, the heat conductivity of the upper and lower sides of the cool storage bag (2) is not less than 1.2 Kcal / m · h · deg, preferably 2.0 Kcal / m · h · deg.
A heat medium layer made of a material of al / m · h · deg or more is arranged in such a manner that the upper and lower heat medium layers are continuous, and that the cold storage bag (2) can freely enter and leave between these heat medium layers. I just need.

With such a configuration, the continuous upper and lower heat medium layers serve as heat passages, and the lower part of the cool storage bag (1) is also connected to the lower side of the cool storage bag (2) via the heat medium layer. Heat exchange is performed to cool the head located on the upper surface.

Therefore, heat exchange for cooling the head from both the upper and lower surfaces of the cold storage bag (2) is performed, and the cooling capacity of the cold storage material (9) is effectively increased as high as possible. Used for cooling the head.

The cold storage bag (2) can be freely inserted and removed from between the heat medium layers, so that it can be taken out and cooled in a refrigerator or the like in advance.

Further below the lower heat medium layer, FIG.
A heat insulating bag (3) enclosing a synthetic resin foam granule (5) similar to that in the embodiment shown in FIG. 4 is provided, and these are housed in the main body bag (4), and the cool bag ( 1) is configured.

FIG. 7 shows still another embodiment of the cool bag (1) of the present invention, similar to FIG. 4, and is a longitudinal sectional view cut along a plane parallel to the short side of the rectangle of the cool pillow. The upper part of the main body bag (4) is shown partially broken.

As shown in the figure, any one of the multilayer cloths (13) in which three or more cloths (13a) such as cotton cloth having a rectangle slightly smaller than the rectangle of the cold storage bag (1) in plan view are stacked. A cold storage bag (2) is sandwiched between the cloth materials.

The multi-layered cloth (13) has one to three sides fixed to each other by sewing or an adhesive among the four sides of the rectangle, and a portion between the non-fixed parts and any cloth-shaped part is provided. , Cold storage bag
(2) can be clamped alone or together with the heat medium layers disposed above and below it.

When the head is brought into direct contact with the cold storage bag (2) via the cloth surface of the main body bag (4), the difference in temperature between the head and the cold storage material is so large that some people may occasionally encounter it. , You may feel sick.

In such a case, the above-mentioned cold storage bag is arranged such that a plurality of desired cloth-like objects are disposed above the cold storage bag (2).
By appropriately selecting the position where (2) is sandwiched between the multilayer cloths (13), the temperature of the pillow surface with which the head comes into contact can be adjusted.

[0056]

(1) According to the first aspect of the present invention,
A layer composed of a large number of synthetic resin foam granules forms a good heat insulating layer, minimizes the absorption of heat from below the cold storage bag, and the cooling capacity of the cold storage material cools the intended head cooling In addition, wasteful consumption can be prevented as much as possible.

Moreover, the direction of the stress applied to a large number of individual synthetic resin foams differs each time the cool bag is used.
Unlike in the case of using a conventional mat-shaped sponge, stress is always applied in the same direction and does not become flat with time.

(2) According to the second aspect of the invention, mixing of the cold storage material and the synthetic resin foam granules is completely prevented, and only the cold storage bag in which the cold storage material is sealed is taken out of the refrigerator. It is also easy to cool by such as.

(3) According to the third aspect of the present invention, the upper and lower continuous heat medium layers serve as heat passages, and the head above the cold storage bag from below the cool storage bag via the heat medium layer. Heat is exchanged for cooling.

For this reason, after the temperature of the upper portion of the cold storage material is increased and the cooling capacity is reduced as in the related art, the lower portion of the cold storage material is maintained at a lower level even though the cooling capacity still remains sufficiently. The problem that the remaining cooling capacity cannot be used effectively has been resolved, and the cooling capacity of the cold storage material has been
It can be effectively used for cooling the head.

(4) According to the fourth aspect of the present invention, the heat medium layer can be reliably and easily arranged on the upper and lower sides of the cold storage bag. Further, since the heat medium layer is also provided on the side surface of the cold storage bag, the cooling capacity of the cold storage material can be used more effectively.

(5) According to the fifth aspect of the present invention, the heat medium layer can be easily disposed on the upper and lower sides of the cold storage bag.

(6) According to the sixth aspect of the present invention, an air space having a preferable volume is formed between the synthetic resin foam granules for heat insulation, and the synthetic resin foam granules are sealed. The heat-insulated bag acts as a good heat-insulating layer.

(7) According to the invention described in claim 7, the non-freezing cold storage material retains the flexibility of the cold storage bag, and the freezing cold storage material functions as a heat passage. The time required for pre-cooling the material in a refrigerator or the like can be reduced.

(8) According to the eighth aspect of the present invention, the temperature of the surface of the cold storage bag with which the head comes into contact is adjusted by appropriately selecting the position where the cold storage bag is sandwiched between the multilayer cloths. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cool bag according to the present invention.

FIG. 2 shows another embodiment of the present invention, and is a drawing corresponding to a central longitudinal sectional view of a cool bag in FIG.

FIG. 3 is a perspective view showing another embodiment of a cool bag according to the present invention.

FIG. 4 is a vertical sectional view taken along line AA in FIG. 3;

FIG. 5 is a perspective view of a cool storage bag according to the present invention.

FIG. 6 is a longitudinal sectional view showing another embodiment of the present invention.

FIG. 7 is a partially cutaway longitudinal sectional view showing another embodiment of the present invention.

[Explanation of symbols]

 (1) Cold storage bag (2) Cold storage bag (3) Thermal insulation bag (4) Main body bag (5) Synthetic resin foam granular material (6) Freezing small bag (7) Non-freezing cold storage material (8) Freezing cold storage material (9) Cold storage material (10) Fastener (11) Heat medium layer (12) Thermally conductive cloth (13) Multi-layer cloth (13a) Cloth

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) F25D 3/00 F25D 3/00 A // A47G 9/10 A47G 9/10 R F-term (reference) 3B102 AA01 AB02 AB07 AC00 AC01 3E067 AA03 AA05 AA11 AB99 AC04 BA12A BB05A BB07A BB11A BB14A CA18 CA19 3L044 AA04 BA09 CA18 DC04 KA04 4C099 AA02 CA03 GA11 HA01 HA04 LA05 LA07 LA15 LA21 LA26

Claims (8)

[Claims] 1. A layer made of a regenerator material on the upper side and a layer made of a number of synthetic resin foam granules on the lower side in a main body bag.
A cold storage bag characterized in that the cold storage material and the synthetic resin foam granules are arranged in a manner that they do not mix with each other. 2. A thermal insulation bag in which a number of synthetic resin foam granules are enclosed below a cold storage bag in which a cool storage material is enclosed, and these are housed in a main body bag. 2. The cool bag according to 1. 3. The thermal conductivity of the upper and lower sides of the cool storage bag is 1.
3. The thermal insulation bag according to claim 2, wherein a heat medium layer made of a material of 2 Kcal / m · h · deg or more is disposed in such a manner that the upper and lower heat medium layers are continuous. 4. A mode in which a heat medium layer is provided on the upper and lower sides of a cool storage bag, wherein the cool storage bag is housed in a bag made of a heat conductive cloth mixed with metallic fibers or powder. The cold insulation bag according to claim 3, wherein 5. A mode in which a heat medium layer is provided on the upper and lower sides of a cold storage bag is formed by bending a metal net or a thermally conductive cloth mixed with metal fibers or powder into a U-shape. , This U
The cool storage bag according to claim 3, wherein a cool storage bag is sandwiched in the shape of a letter. 6. A synthetic resin foamed granular material having a particle size of 1.0-1.
5mm sphere or bead, minor axis 1.0-10mm,
Rugby ball-shaped body with a long diameter of 1.5 to 20 mm, diameter of 3 to 1
The cold insulation bag according to any one of claims 1 to 5, wherein the bag is a pipe or a column having a length of 0 mm and a length of 5 to 20 mm. 7. The cold storage material is a freezing pouch sealed with a freezing gel or a liquid or an antifreezing gel or a liquid containing a metal spheroid.
6. The cold storage bag according to any one of 6. 8. Out of four sides of a rectangular multi-layered cloth formed by stacking three or more cloths having a rectangle slightly smaller than a rectangle of a cold storage bag in plan view, one to three sides are sewn and heat-sealed. Alternatively, the heat storage bags are fixed to each other with an adhesive, and the regenerator bags are held at an arbitrary position between the plurality of cloths alone or together with the heat medium layers disposed on the upper and lower sides thereof. A cool bag according to any one of claims 2 to 7.