KR20060053831A - Heating unit and heating container - Google Patents

Abstract

A heating unit capable of satisfactorily heating a heated material while suppressing thermal deformation of a case or the like due to reaction heat and heat conduction out of a heating vessel is provided. The heating unit 1 of the present invention includes a case 10 having an opening 12, a moisture proof sheet 50 for sealing the opening 12, an absorbent sheet 20 installed adjacent to the entire inner surface of the case 10, and a water bag 30 accommodated in the absorbent sheet 20. It is provided with a heat generating agent 40 and the water bag 30 and the cutting string 70 for cutting the moisture-proof sheet, which is contained in the sheet 20 and generates heat by the hydration reaction, and one end of the cutting string 70 is fixed to the absorbent sheet 20 The other end of the water bag 30 is characterized in that the water is drawn out of the case 10 through the unsealed portion.

Heating unit, moisture proof sheet, absorption sheet, heating agent, cutting string

Description

Heating Unit and Heating Container {HEATING UNIT AND HEATING CONTAINER}

1 is an exploded perspective view of a heating unit of one embodiment according to the present invention.

2 is an exploded perspective view of the heating vessel of one embodiment according to the present invention.

Reference Signs List 1: heating unit, 10: case, 12: opening of case, 20: absorbent sheet, 30: water bag, 40: heating agent, 50: moisture proof sheet, 51: seal, 60: vapor permeable sheet, 70: cutting string , 2: heating container, 80 and 90: container body, 110: heating material container, 120: lid.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating unit capable of heating a heated material such as food material, and a heating vessel provided with the heating unit.

As a heating container capable of accommodating a heated material such as a food material such as a lunch box material and heating the contained heated material, a heating container having a heating unit of a hydration reaction type that generates steam and heat by a hydration reaction is known. have. As a heating unit of the hydration reaction type, a heating bag such as a water bag and coking coal is accommodated inside the case, and a moisture proof sheet is adhered to the case opening. (Patent Document 1)

(Patent Document 1) Japanese Patent Application Publication, Patent 2002-360439

However, the prior art has a problem that the heat of the case of the heating unit is deformed or the heat is conducted out of the heating vessel by the exothermic reaction. SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a heating unit capable of satisfactorily heating a heated material while suppressing thermal deformation of a case or the like due to reaction heat and heat conduction out of the heating vessel, and a heating vessel having the heating unit. It is done.

MEANS TO SOLVE THE PROBLEM This invention earnestly examined in order to solve the said subject, and invented the following heating units and heating container.

The heating unit of the present invention includes a case having an opening, a moisture proof sheet for sealing the opening, an absorption sheet installed adjacent to the entire inner surface of the case, a heat generating agent that generates heat by a hydration reaction, and the water bag and the moisture proof sheet to be cut. It is provided with a cutting string of interest, wherein one end of the cutting string is fixed to the absorbent sheet, and the other end is drawn out of the case through a portion in which the water of the water bag is not sealed. do.

It is preferable to be placed inside the absorbent sheet, and the water bag and the heat generating agent are sequentially disposed from the bottom side.

The cutting string is pulled out to the outside of the case through the sealing portion to which the moisture proof sheet and the case are attached, and at the same time, the sealing portion has a narrower width than the other portion of the passage through the cutting string and the portion thereof. desirable.

Where the cutting string of the moisture-proof sheet is pulled out, it is preferable that the cutting portion is designed and the cutting string is inserted through the cutting portion.

In addition, it is preferable that the moisture-permeable sheet adheres to the opposite side of the case of the moisture-proof sheet and the cutting string pulled out of the case is pulled and turned to the other side between the moisture-proof sheet and the water vapor-permeable sheet. .

The heating apparatus of the present invention includes the heating unit of the present invention and the container body for accommodating the heating unit, and the other end of the cutting string provided in the heating unit passes through the container body to the outside of the container body. It is characterized by being pulled out.

[Heating unit]

1, the structure of the heating unit of one Embodiment which concerns on this invention is demonstrated in detail. The heating unit 1 of the present embodiment has a water bag 30 and granular coking coal (ignition calcium) in a box-shaped resin (polypropylene or the like) case 10 having a bottom 11 having a square corner cut off and an opening 12 at the top. ) And a heat generating agent 40 in which water vapor and heat are generated by a hydration reaction.

Specifically, an absorbent sheet 20, such as an absorbent paper, is provided adjacent to the inner body (bottom and side walls) of the case 10, and a water bag 30 and a heat generating agent 40 are sequentially disposed from the bottom side thereof.

The water bag 30 is formed of a laminated foil or the like in which a moisture-proof layer (such as an aluminum layer) that does not permeate moisture between a plurality of resin layers (such as a polyester layer) is formed into a bag by thermal welding, and the water inside At the end of the water bag 30 (the end in three directions in the figure), a heat welding portion is formed in which a proper amount of water is not sealed. In the substantially center portion of the heat-welding portion 31 at one end portion, a cutting portion 32 for the purpose of allowing a cutting string to be described later to fit through is formed.

The upper end of the case 10 is formed with a flat portion 13 which is wider than the side wall of the case 10 adjacent to the outside of the opening 12, and the moisture-permeable sheet 50 which does not transmit moisture on the flat portion 13 and the water vapor permeable sheet which transmits water vapor. 60 is sequentially stuck. The moisture proof sheet 50 is a laminated foil etc. which sandwiched a moisture proof layer between some resin layers, and the outer periphery part is adhere | attached on the flat part 13 of the case 10 by heat welding. Hereinafter, this heat welding part is called 51 the sealing part. The opening 12 of the case 10 is sealed by this moisture proof sheet 51. FIG.

On the other hand, the water vapor transmission sheet 60 is made of a nonwoven fabric or the like, and its outer peripheral portion is adhered to the moisture proof sheet 50 sandwiching the sealing material 61 made of an adhesive or the like.

In addition, the structure which sticks the moisture proof sheet 50 and the water vapor transmission sheet 60 on the flat part 13 of the case 10 is not limited to the above-mentioned thing, For example, it is the same as the water vapor transmission sheet 60 also with respect to the moisture proof sheet 50. It is also preferable to set it as the structure which adheres to the flat part 13 of the case 10 which wears the sealing material which consists of adhesives etc ..

Moreover, the heating unit 1 of this embodiment is equipped with the cutting string 70 for the purpose of cutting | disconnecting the water bag 30 and the moisture proof sheet 50, and this cutting string 70 is supported by the absorbent sheet 20 at one end.

In detail, the heat welding part 31 of the water bag 30 is being fixed to the bottom face side of the absorbent sheet 20 by the fixture 33 which consists of staplers. In the present embodiment, the fixing tool 33 is provided where the cut portion 32 is sandwiched.

Then, the cut portion 34 is formed at the center of the side wall on the opposite side to the side where the fixing tool 33 of the absorbent sheet 20 starts. One end of the cutting string 70 is formed with a cut 71 larger than the width of the cut portion 34, and the cut 71 serves as a stopper, and hangs one end of the cutting string 70 at the cut portion 34 to stop it. It is composed.

As described above, the other end of the cutting strap 70 whose one end is supported by the absorbent sheet 20 is sequentially disposed between the absorbent sheet 20 and the water bag 30, the cut portion 32 of the water bag 30, and the sealing part 51 of the moisture proof sheet 50. It is pulled out of the case 10 to the outside. Further, the other end of the cutting string 70 pulled out of the case 10 is folded and folded to the other side, and is pulled and turned to the other side of the moisture proof sheet 50 through the moisture proof sheet 50 and the water vapor transmission sheet 60.

In this embodiment, the sealing part 51 to which the moisture proof sheet 50 and the case 10 adhere | attach is comprised so that the width | variety of the cutting string passage part and its adjacent part 51A may be narrower than another part within the range which maintains airtightness. Further, where the cutting string 70 of the moisture proof sheet 50 is pulled out, the cut part 52 is provided, and the cutting string 70 is inserted through this.

In addition, the vapor permeable sheet 60 is provided after the cutting string 70 is disposed as described above, and the sealing string 50 is placed in a place where the cutting string 70 at the outer circumferential portion of the back side of the water vapor permeable sheet 60 does not pass. It is adhered to the moistureproof sheet 50. For this reason, the arrangement | positioning with which the cutting string 70 is pulled out from the heating unit 1 is fixed.

In the heating unit 1 of this embodiment, the moisture proof sheet 50 and the water bag 30 are simultaneously cut | disconnected by pulling the other end of the cutting string 70 from which the heating unit 1 was pulled out.

Specifically, when the other end of the cutting string 70 is pulled out, the moisture proof sheet 50 is fixed to the case 10 but does not move, but the part which is caught by the cut portion 52 of the cutting string 70 is pulled out and the moisture proof sheet is pulled out. As far as the other end of 50, the moisture proof sheet 50 is cut.

It is the same form also in the water bag 30. Then, the water bag 30 is fixed to the absorbent sheet 20, but does not move, but the part which is caught by the cut portion 32 of the water bag 30 of the cutting string 70 is pulled to move to the other end, the water bag 30 Is cut.

Moisture-proof sheet 50 and the water bag 30 are opened at the same time, the water enclosed in the water bag 30 flows out of the bag, and contacts the heat generating agent 40 disposed on the water bag 30. As a result, the hydration reaction of the exothermic agent 40 proceeds to generate water vapor and heat, which passes through the opening of the moisture proof sheet 50, moreover, passes through the water vapor permeable sheet 60 and is released to the outside of the heating unit 1, and the material to be heated is good. Heating is possible.

In the present embodiment, the moisture-proof sheet 50 blocks moisture that penetrates the inside of the case 10 from the outside of the heating unit 1, and prevents the heat generating agent 40 contained in the case 10 from weakening. Since the bag 30 and the moisture proof sheet 50 are cut | disconnected simultaneously, when heating a to-be-heated material, there is no possibility that the moisture proof sheet 50 may inhibit vapor | steam and heat | emission release.

In addition, since the cutting string 70 is arrange | positioned so that it may pass between the moisture proof sheet 50 and the water vapor transmission sheet 60, when pulling the cutting string 70, the moisture proof sheet 50 will be cut | disconnected, but the water vapor transmission sheet 60 will not be cut | disconnected. Thus, the water vapor permeable sheet 60 which is not cut | disconnected by the cutting string 70 is installed in the opposite side to the case 10 of the moisture proof sheet 50, and solid matter produced | generated by a hydration reaction, etc. is not heated without impeding the release of water vapor and heat | fever. Leakage outside the unit 1 can be prevented. The water vapor transmission sheet 60 also has a function of dispersing water vapor discharged from the place where the moisture proof sheet 60 is cut, uniformly discharged from the water vapor transmission sheet 60, and uniformly heating the heating material.

As mentioned above, according to this embodiment, it is possible to heat a to-be-heated material favorably. Furthermore, in this embodiment, the absorbent sheet 20 is provided adjacent to the inner surface of the case 10, and the water bag 30 and the heat generating agent 40 are disposed therein. Therefore, since the absorbent sheet 20 provides a thermal insulation function without directly contacting the case 10 and the reactant, it is possible to generate a high temperature by the hydration reaction and to suppress the heat deformation of the case 10 and the heat conduction to the outside of the heating vessel. .

In addition, since the absorbent sheet 20 is used as the heat insulator, it is possible to suppress the ignition of the heat insulator itself by the heat of the hydration reaction by absorption. In addition, although the cutting string support material which supports the cutting string 20 is provided in the prior art recommended by the term of "background art", in this embodiment, the absorbent sheet 20 is used as a heat insulating material, and the absorption sheet 20 is used. Since the function of the cutting string support material which supports one end of the cutting string 70 is also possible, since it is not necessary to provide a cutting string support material separately, it is preferable.

In addition, in this embodiment, in the absorbent sheet 20, the water bag 30 and the heat generating agent 40 are sequentially arranged from the bottom face side. Thereby, the water bag 30 degree heat insulation function is provided in addition to the absorbent sheet 20, and the influence by the heat_generation | fever of the case 10 is further reduced. In addition, since it is preferable to fix the absorbent sheet 20 and the water bag 30 which also function as a cutting string support material with the fixture 33, and to fill the heat generating agent 40 after that, manufacture is also easy. In addition, the heat generator 40 may have a sharp tip. If the heat generator 40 is disposed below the water bag 30, there is a possibility that a pin hole may be formed in the water bag 30 by the heat generator 40 during transportation. When the heat generating agent 40 is disposed above the water bag 30, there is no such concern. Although the reason is not clear, the present inventor also guesses the purpose which the water bag 30 functions as a cushion material, and the action | action with respect to the water bag 30 by the heat generating agent 40 is alleviated.

Moreover, although the cutting string is pulled out through the moisture proof sheet 50 in the prior art recommended in the section of "Background art", in this embodiment, the cutting string 70 is made to pass through the moisture proof sheet 50 and the sealing part 51 of the case 10. It is configured to be pulled out. Therefore, it is not necessary to provide a through hole in the moisture proof sheet 50, compared with the prior art, it is possible to further improve the airtightness inside, and it is possible to suppress the temporal weakness of the heat generating agent 40 to a higher level. It is also easy to manufacture.

Furthermore, in the present embodiment, the sealing portion 51 is configured to have a narrower width than the other portions within the range of maintaining the airtightness between the cutting string passing portion and the adjacent portion 51A. A part of the cutting string 70 is fixed to the moisture-proof sheet 50 and the case 10 by the sealing part 51, but by narrowing the width of the cutting string passing part of the sealing part 51, it is easy to cut the cutting string 70, maintaining high airtightness. It is possible to make it peel off from the sealing part 51, and to open the moisture proof sheet 50 easily.

In order to easily peel off the cutting string 70 from the sealing part 51, it is preferable to make the width | variety of a cutting string passing part and its adjacent part 51A as narrow as possible within the range which maintains high tightness. For example, if the normal portion is 10 mm, about 4 mm is preferable.

Moreover, in this embodiment, the cut part 52 is provided in the place where the cutting string 70 of the moisture proof sheet 50 is pulled out, and it is set as the structure which makes the cutting string 70 pass through this. Accordingly, when the cutting string 70 is pulled out, the cutting string 70 can smoothly move in the pulling direction and open the moisture-proof sheet 50 satisfactorily from the cut portion 52 as a starting point.

[Heating container]

Next, based on FIG. 2, one Embodiment of the heating container provided with the said heating unit 1 is explained in full detail.

The heating vessel 2 of the present embodiment has a circular bottom surface 81 and has an outer base body 80 having an opening 82 at its upper end, and an inner base body 90 having a similar shape having an opening 92 at its upper end. The heating unit 1 of embodiment is accommodated, Comprising: It consists of a schematic structure in which the 110 for heatable materials which can accommodate a to-be-heated material, such as a foodstuff, and the lid 120 which can be removed are provided in sequence.

The inner and outer base body 80 of the container body is made of paper. Thereby, the thermal insulation effect inside the heating container 2 becomes high, and can heat a to-be-heated material efficiently. In addition, since heat conduction to the outside of the heating vessel 2 is suppressed, it is possible for the user to hold the heating vessel 2 without feeling hot. Although the material of the inner side main body 90 is not specifically limited, Resin is preferable. Since the container body has a double structure, the air layer existing between the container bodies increases the heat retention of the interior, and the heat conduction to the outside of the heating vessel 2 is suppressed, which is preferable.

Through-holes 83 and 93 are formed on the side walls of the container bodies 80 and 90 at about the same position, and the cutting string 70 taken out from the heating unit 1 is taken out of the container body through the through holes. .

In addition, a plurality of protrusions 84 and 94 protruding from the inner surface side to the outer surface side are provided on the side walls of the container bodies 80 and 90 so as to fit with each other. As a result, the inner base 90 can be fixed to the outer base 80 so that the positions of the through holes 83 and 93 through which the cutting string 70 passes.

Moreover, the heating unit accommodating part 91 which accommodates below the flat part 13 of the heating unit 1 is provided in the bottom part of the inner side main body 90. Thereby, the heating unit 1 is fixed so that it may be contained in the inner side main body 90, and the position of the cutting | disconnection string 70 and through-holes 83 and 93 pulled out from the heating unit 1 does not depart | deviate. Moreover, the heat insulating material 100, such as a board paper, is accommodated in the bottom face of the heating unit accommodating part 91, and the bottom face of the heating unit 1 does not directly contact the inner side main body 90.

The material to be heated 110 is a container having a circular bottom face 111 and an opening 112 at an upper end thereof. The container has a shape in which the upper side of the side wall is bent in the outward direction, and the bent portion 113 is fitted to the upper side wall of the outer base body 80 and the inner base body 90 so as to be contained therein. The upper surface 114 of the bent portion 113 is a flat surface. Further, an inner side of the bent portion 113 (the side to be heated) is provided with another flat end surface 115 at one end lower than the upper end face 114, and a plurality of holes 116 are opened in the flat face 115.

The lid 120 is made of a resin material having an outer periphery adjacent to the upper shape of the material to be heated 110. That is, the edge part 121 which is adjacent to the outer peripheral part of the lid 120, and has the flat surface and the side surface adjacent to the upper surface 114 of the to-be-heated material container 110, and the outer side of the bent part 113 is provided. Moreover, as for this edge part 121, the protrusion part 122 which bulged toward the outer side from the inner side (heat-resistant material container 110 side) is extended in multiple and the radial direction.

By providing such a protrusion 122, since a suitable gap is formed between the container to be heated 110 and the lid 120, steam and heat generated by the exothermic reaction are appropriately released to the outside by being caught in this gap. As a result, the increase in the internal pressure of the heated material container 110 is suppressed, and the lid 120 is suppressed from being separated from the heated material container 110.

The heating vessel 2 of the present embodiment is a shape in which the heated member is accommodated in the heated member container 110 and the lid 120 is provided. Water vapor and heat generate | occur | produce, and it passes through the hole part 116, and it reaches | attains in the to-be-heated material container 110, and the received to-be heated material is heated. Moreover, when accommodating the food material used as a to-be-heated material, cooking which steams a food material with steam by the steam and heat which generate | occur | produced is also possible. In addition, when the heating material does not need to be steamed and only the heating can be sufficiently heated from below the heating material container 110, it is also preferable not to provide the hole portion 116 in the heating material container 110.

The heating vessel 2 of the present embodiment is an article provided with the heating unit 1 of the present embodiment, and furthermore, since the heat insulating agent 100 is provided below the heating unit 1 and the container body has a double structure, the heating unit is It is possible to perform exothermic reaction without affecting the case 10 of 1 and the container bodies 80 and 90. That is, it is possible to satisfactorily heat the material to be heated while suppressing heat deformation of the case 10 and the like and heat conduction out of the heating vessel 2 due to the reaction heat.

The heating unit 1 and the heating vessel 2 of the present invention can be suitably used in a heating vessel, for example, a lunch box, to the extent necessary for accommodating the material to be heated, such as food, and the like.

According to the present invention, there is provided a heating unit capable of satisfactorily heating a heated material while suppressing thermal deformation of a case or the like due to reaction heat and heat conduction out of the heating vessel, and a heating vessel provided with the heating unit.

Claims (6)

A case having an opening; Moisture proof sheet for sealing the opening; An absorbent sheet installed adjacent to the entire inner surface of the case; A water bag accommodated in the absorbent sheet; A heat generating agent that is accommodated in the absorbent sheet and generates heat by a hydration reaction; And And a cutting string for cutting the water bag and the moisture proof sheet, one end of the cutting string being supported by the absorbent sheet and the other end of the water bag through a portion in which the water of the water bag is not sealed. A heating unit, which is pulled out of the case. The method of claim 1, The water bag and the heating agent is placed inside the absorbent sheet, the heating unit, characterized in that arranged sequentially from the bottom side. The method of claim 1, The cutting string is pulled out of the case through the sealing portion to which the moisture proof sheet and the case are attached, The sealing unit is a heating unit, characterized in that the cutting string passing portion and its adjacent portion is narrower than the other portion. The method of claim 1, Where the cutting string of the moisture-proof sheet is pulled out is a cut portion is designed, the heating unit, characterized in that the cutting string is fitted to the cut portion. The method of claim 1, The water vapor transmission sheet is adhered to the case and the opposite side of the moisture proof sheet, and the cutting string pulled out of the case passes between the moisture proof sheet and the water vapor transmission sheet and is pulled to the other side. Heating unit. And a container body for accommodating the heating unit of claim 1 and the heating unit, wherein the other end of the cutting string provided in the heating unit passes through the container body and is pulled out of the container body. Heating container, characterized in that.

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