JP2580342Y2 - Insulation pack - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat retaining pack in which a heat storage agent is filled in a bag-like container.

[0002]

2. Description of the Related Art Conventionally, as this kind of heat retention pack, there is a heat storage pack in which a heat storage agent is filled in a stainless steel plate-like container, and is widely used for a buffet party in a hotel or the like. Further, as another heat retaining pack, there is one in which a heat storage agent is filled in a bag made of a polyethylene film or an aluminum film. Further, the heat storage agent of the heat retaining pack is heated and dissolved by immersing it in boiling water.

[0003]

However, in the former thermal insulation pack, since the surface of the pack does not deform, especially when tableware or the like having a thread bottom is placed, the tableware does not adapt to the surface of the thermal insulation pack, and the thermal insulation pack does not. The heat retaining effect could not be sufficiently exhibited. In addition, since the surface of the pack is made of stainless steel, the tableware and the like are slippery and difficult to use. In order to solve these problems, it is conceivable to provide a concave portion on the surface of the heat-retaining pack. Further, there is a problem that this heat retaining pack is expensive because it is made of stainless steel.

[0004] In the latter thermal pack,
Since the surface of the pack is flexible, the dishes can be easily adapted to the surface of the heat retaining pack, and the material cost is low, so that the heat retaining pack is provided at a low price. However, the latter thermal insulation pack is easily broken when it is scratched by a sharp object because the material is in the form of a film, and when the product shape is limited to a square shape and the end of the square hits the object. There was a problem that it was easily broken. To solve these problems, it is conceivable to increase the thickness of the film. However, since the heat conductivity of an aluminum film or the like is high, heat dissipation of the heat insulation pack is promoted, which is a problem. Furthermore, since the heat insulation pack is made of a film, tableware and the like are slippery and difficult to use, and there is still a problem that the entire heat insulation pack is flexible so that it is not easy to carry. In addition, the above two heat retention packs
In any case, there is a problem that the feel is not good and the coloring is limited, so that the design is not developed.

[0005] Further, there is no example in which the above-mentioned various heat-retaining packs are attached to a cold coat or the like to keep the body warm, and these heat-retention packs are not used for defrosting glass, but application to these uses is also preferable.

[0006] Further, the heat dissolution of the heat storage agent of the above-mentioned heat retaining pack is very complicated since it has to be immersed in hot water. In addition, for this reason, there is an inconvenience that the place where the heat storage agent is heated and dissolved is limited, and there is a problem that the use of the heat retaining pack is limited. The present invention aims to address the various problems described above.

[0007]

In order to achieve the above-mentioned object, the present invention according to the first aspect is characterized in that it is characterized by a rubber-sealed bag-like container provided with a thick portion over the entire periphery. And that the inside of the bag-shaped container is filled with a heat storage agent.

A structural feature of the invention according to claim 2 is that, in the heat retaining pack according to claim 1, at least one thick region is provided on the inner side surface of the bag-shaped container.

[0009] insulation pack of the present invention can installing an additional Velcro outside the plane portion of the bag-like container
You . Also, insulation pack of the present invention is a manual insertion bag attachment can Rukoto outside the plane portion of the bag-like container.

[0010] The heat-retaining pack of the present invention comprises, for example, a flat box which can be opened and closed by a lid, a heater provided on the inner flat surface of the flat box via a heat insulating material, and a flat box. has a heat insulating pack accommodating portion for accommodating a heat insulating pack of the present invention is provided in the body, and a power cord that permits power supply from the attached an external power source to the heater
Heat insulation using a heat insulation container for heat insulation packs
I can . The insulation pack heat insulated container, it is preferable to allow the connection terminals of the power cord to the cigarette heater terminal of the motor vehicle. Further, the power cord or to be detachable from the heater, it is preferable to accommodate the insulation pack heat insulation vessel.

[0011]

According to the first aspect of the present invention, since the heat insulating pack is made of a rubber material, the flexibility of the surface is good. Good compatibility with tableware and the like placed on the table, and the thermal insulation effect of the thermal insulation pack is sufficiently exhibited. Also,
Since the heat insulation pack is made of rubber, tableware and the like are less likely to slip, and its strength is higher than that of an aluminum film or the like, so that it can be easily handled. Further, since the entire peripheral portion is formed to be thick, the impact resistance at the peripheral portion is enhanced, and the device is convenient to carry. In addition, since the shape of the heat retaining pack can be easily changed and colored, the effect of the heat retaining pack in terms of design can be enhanced. Further, since the heat insulation pack is made of rubber, it can be provided at a lower cost than a stainless steel heat insulation pack.

Further, in the device according to the second aspect of the present invention, since at least one thick region is provided on the inner surface of the bag-like container, when heavy tableware or the like is placed on the heat insulating pack. The weight of the upper rubber film is lowered by the weight, but the further lowering of the rubber film is prevented in the thick region provided on the upper or lower inner surface of the bag. For this reason, the thickness of the heat retention pack is maintained at a certain value or more defined by the thickness of the thick region regardless of the weight of the tableware or the like to be placed. That is, since the layer of the heat storage agent having a certain thickness or more is always provided below the tableware or the like to be placed, the heat retaining effect of the heat retaining pack can be further stabilized.

[0013] insulation pack of the present invention, by Ru fitted with Velcro on the outer flat portion of the bag-like container of its, can easily be attached to the winter coat or the like, the combination body with good insulation for warmth pack It is suitable for keeping warm. Further, after the heat storage agent has hardened and lost the heat retaining function, the heat retaining pack can be used again by heating, and is superior in terms of resource saving as compared with disposable warmers and the like.

Further, heat insulating pack of the present invention, by Ru provided a hand insertion bag outside the plane of the bag-like container of its heat retention pack by inserting a hand in hand insertion bag heated incubated pack The frost adhering to the window or the like can be easily removed by rubbing the window or the like of a frozen automobile, which is very convenient.

The heat insulation pack of the present invention is, for example , the heat insulation pack described above.
By storing this heat insulation pack in the heat insulation pack accommodation portion in the flat box inside the heat insulation container for heating and heating it with the heater for heating, the heat storage agent filled in this heat insulation pack can be easily dissolved. It can be kept warm so that you can take it out whenever you want. In addition, the heat insulation container for a heat insulation pack containing the heat insulation pack in which the heat storage agent is dissolved is used for red smoke or pets since the heat of the heat insulation pack is gradually transmitted to the outside through the lid. It is also suitable for keeping warm.

[0016]The power cord of this heat insulation container for heat insulation packs
Terminalas mentioned aboveCar cigarette heater terminal
If you can connect toFor example, riding a car in winter
Easy to keep warm when you go fishing in cold regions
The heating can be used and is very convenient. Ma
WasThe power cord is detachable from the heater or
When it can be stored in the heat insulation container for the heat insulation pack
Place the heat insulation container for the heat insulation pack away from the heating place.
Do not be bothered by the power cord when using
Convenient and convenient. In addition, heat insulation container for heat insulation pack
If you use the
There's no biting or mischief of the code
It is convenient.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. FIGS. 1 and 2 show a schematic configuration of a heat insulating pack according to a first embodiment of the present invention by a partially broken front view and a partially broken side view. This thermal pack 10
Is a disk shape having a diameter of 200 mm and a thickness of 15 mm, and a circle having a diameter of 180 mm is composed of two upper and lower isoprene rubber plates 11 having a thickness of 1 mm, and 10
A thick portion 12 made of isoprene rubber having a thickness of 10 mm and an annular shape having a width of mm is integrally provided. And the diameter φ
The heat storage agent 13 for high temperature is filled inside the 180 mm circle. The heat storage agent 13 is solid at room temperature, but becomes a fluid when heated at about 83 ° C.
Depending on the application, a low-temperature heat storage agent that becomes a fluid by heating at about 56 ° C. may be used.

Next, a brief description will be given of a method of manufacturing the heat insulating pack. First, an adhesive, which is a solution of isoprene rubber, is applied to the inner adhesive surface 12b of about 5/6 of the thick part B (see FIG. 1) of the pair of upper and lower rubber members A shown in FIG. After the application and the superposition, the adhesive portion is vulcanized and adhered by applying pressure while heating to 130 ° C. Next, the heat storage agent 13 melted by heating is injected and filled into the internal space from the unbonded portion 12a of the heat retaining pack 10. Further, the remaining approximately 1/6 unbonded portion 12a (the portion between the dashed lines in FIG. 1) of the thick portion B is vulcanized and bonded by the above procedure. Then, at the time of use, the heat storage pack 10 can be easily used to melt the internal heat storage agent 13 by immersing the heat retention pack 10 in hot water. The thermal pack can be used for about 3 hours when filled with 600 grams of thermal storage agent.

In the above embodiment, since the heat-retaining pack is made of isoprene rubber, the surface flexibility is good, the familiarity with tableware having a thread bottom is good and the heat-retaining effect of the heat-retaining pack is sufficiently exhibited. You. Further, since the heat retaining pack is made of isoprene rubber, the tableware and the like placed thereon are hard to slip and the strength is higher than that of an aluminum film or the like, so that the handling is easy. Further, since the entire peripheral portion of the heat retaining pack is formed to be thick, the impact resistance at the peripheral portion is enhanced, and it is convenient to carry. Further, since it is made of isoprene rubber, it is easy to change the shape of the heat retaining pack and it is easy to color, so that the design effect of the heat retaining pack can be enhanced. Further, since the heat insulation pack is made of rubber, it can be provided at a lower cost than a stainless steel heat insulation pack.

Next, a second embodiment will be described with reference to FIG. In the present embodiment, a thick region 14 of about 3 cm square and 5 mm thick is provided at four places on the inner surface of the 1 mm thick isoprene rubber plate 11 of the heat retaining pack described in the above embodiment. Accordingly, when the heavy tableware 15 on which the dishes 16 are placed is placed in accordance with the thickness region 14 of the heat retaining pack 10, the weight of the tableware 15 causes the upper isoprene rubber plate 11 to descend. Area 1
It is stopped by 4 and does not descend further.
That is, the thickness of the heat storage agent 13 below the tableware 15 is always kept to be equal to or greater than the thickness of the thick region 14. For this reason, the tableware 15 is kept warm by the heat storage agent 14 having a certain thickness or more, so that the temperature is kept uniform. Note that the shape and thickness of the thick region 14 may be appropriately changed depending on the application.

Next, a third embodiment will be described with reference to FIG. In this embodiment, the magic tape 21 is attached to the outer flat surface of the heat retaining pack 20 described in the first and second embodiments. By attaching a magic tape to the lining of the warm clothes (not shown), the warm pack can be easily attached to the warm clothes or the like. . In addition, since this heat retaining pack can be used many times by heating again after the heat storage agent hardens and loses the heat retaining function, it is also superior in terms of resource saving compared to disposable warmers and the like. .

Next, a fourth embodiment will be described with reference to FIG. In the present embodiment, the hand insertion bag portion 31 is attached to the outer flat surface of the heat retaining pack 30 described in the first and second embodiments. Thereby, when the window of the car freezes on a winter morning, the heat insulation pack 30 is heated and the heat storage agent is melted, and the hand is inserted into the hand insertion bag part 31 and held, and the heat insulation pack surface is held. By rubbing against the window, the frost frozen on the window can be easily removed, which is convenient. If a heater is provided on the flat surface of the heat-retaining pack 30 with the hand-insertable bag, the heat storage agent in the heat-retaining pack 30 can be easily heated and melted, which is more convenient for defrosting.

Next, as a reference example, the heat insulating pack of the present invention will be described.
Heat insulation container for heat insulation pack, which is preferably used for heat insulation
The container will be described with reference to FIGS. The heat insulation container for a heat insulation pack according to this reference example is a flat box 4 made of resin.
0 and a resin lid 41 integrally and foldably attached to one end on the long side of the box.
The lid 41 has a heat insulating plate 41a attached to the inner surface thereof, and has a hook 41b at the center of its front end. Then, the box body 40 is closed by bending the lid body 41 so as to hook the hooking portion 41b on the receiving portion 40a of the lateral side wall of the box body 40. The box and the lid may be separate bodies. In this case, the lid may be attached to the box by a hinge or the like. Further, the heat insulating plate 41a attached to the lid may be omitted as necessary.

As shown in FIG. 7, a heat insulating material layer 42 is provided on the bottom surface of the inside of the box, and a nichrome wire heater 43 is embedded on the entire surface of the heat insulating material layer 42. The heater is not limited to this, and a heater such as a sheet heater or a bar heater may be used. And the heat insulating material layer 4
On the upper surface of 2, a heat insulating partition 42a is provided in a cross shape, and a heat insulating pack accommodating portion 44 capable of accommodating four heat insulating packs 50 is formed. An outlet 45 for connection to the nichrome wire heater 43 is provided on the side wall of the heat insulation container for the heat insulation pack. By connecting the cord 46 from a household power supply, the power supply to the nichrome wire heater 43 can be performed. ing. In addition, the size of the heat insulation container for the heat insulation pack, the number of the heat insulation pack accommodation sites, and the like can be appropriately changed depending on the purpose of use.

The required number of heat-retaining packs 50 are stored in the heat-retaining pack storage portion 44 of the heat-retaining pack for a heat-retaining pack constructed as described above. After the lid 41 is closed, the cord 46 from the household power supply is connected. By connecting to the outlet 45, the nichrome wire heater 43 is energized. Thereby, the heat retaining pack 50 is heated, and after a predetermined time has elapsed, the internal heat storage material is melted. As described above, since the heat insulation container for a heat insulation pack according to the present reference example can collectively and easily heat a plurality of the heat insulation packs 50 to dissolve the heat storage material therein, the conventional heat insulation container is immersed in hot water and dissolved. It is very convenient compared to the method. Insulation packs in which the heat storage material has been heated and melted are not used immediately, but if they are stored in a heating insulation container for the insulation pack and kept warm, it is difficult to cool them. It is convenient to use it.

Further, the heat insulation container for the heat insulation pack is
In a state where the heat insulating pack 50 is housed inside, the heat of the heat insulating pack 50 is gradually transmitted to the outside from the upper lid 41, so that the heat insulating pack 50 is suitable for use as a kotatsu or red bean for heat insulating. In particular, pulling out the cord 46 from the connection outlet 45 is very convenient because it can be used without any restrictions on the location of the cordless undercarriage. In addition, there is no risk that the cord will fall out during use as in an electric cable and become useless, and that there will be no leakage accident or the like due to bending of the cord. In addition, because the code is not bitten or mischievous,
It is suitable for keeping the bed of a baby warm and for keeping small animals such as pets warm. The present in the reference example, is provided with the connecting outlet to the nichrome wire heater on the side wall of the heating insulated container for thermal insulation packs may be provided code take-up device on the side walls. Furthermore, when the place of use of the heat insulation container for the heat insulation pack is limited, or when an inexpensive heat insulation container for the heat insulation pack is required, do not provide the connection outlet or the device for winding the cord. It may be.

Further, a plug for connection to the cigarette heater power supply of the automobile may be provided at the end of the cord connected to the heater of the heat insulation container for the heat insulation pack according to the present embodiment. This makes it possible to use the heat insulation pack as a warmer when going out to a remote place by car in winter and engaging in fishing or outdoor work, etc. By using the power supply, the heat storage agent of the heat retaining pack can be easily dissolved.

[Brief description of the drawings]

FIG. 1 is a partially broken front view of a heat retaining pack according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional view taken along the line II-II of FIG.

FIG. 3 is a side sectional view of the heat retaining pack according to the second embodiment of the present invention.

FIG. 4 is a front view of a heat insulating pack according to a third embodiment of the present invention.

FIG. 5 is a front view of a heat insulation pack according to a fourth embodiment of the present invention.

FIG. 6 is a schematic perspective view of a heat insulation container for a heat insulation pack according to a reference example of the present invention.

FIG. 7 is a sectional view taken along line VII-VII of FIG.

[Explanation of symbols]

10, 20, 30, 50; heat insulation pack, 11; isoprene rubber plate part, 12; thick part, 13; heat storage agent, 14; thick area, 15; tableware, 21; magic tape, 31; Part, 40; box, 41; lid, 42; heat storage agent, 4
3; Nichrome wire heater, 44; Insulation pack accommodation site, 4
5; outlet for connection, 46; cord.

Continuation of the front page (56) References JP-A-61-189272 (JP, A) JP-A-61-82942 (JP, U) JP-A-61-86447 (JP, U) JP-A-63-137627 (JP) , U) Shokai Sho 56-26113 (JP, U) Shoko Sho 38-6986 (JP, Y1) (58) Fields investigated (Int. Cl. ⁶ , DB name) F28D 20/00 A47J 36/00 A47J 36/24 A61F 7/08

Claims (2)

(57) [Scope of request for utility model registration] 1. A heat-insulating pack comprising a rubber-sealed bag-like container provided with a thick portion over the entire periphery thereof, wherein the inside of the bag-like container is filled with a heat storage agent. 2. The heat insulation pack according to claim 1, wherein at least one thick region is provided on an inner surface of said bag-shaped container.