JPH06312771A - Heating container - Google Patents

Abstract

PURPOSE:To provide a heating container which is suitable for foods and beverages, etc., requiring a heating at a high temperature for a long period of time, and has a structure being inexpensive and compact. CONSTITUTION:The heating container for foods and beverages, etc., consists of an internal container 2 in which a content 10 to be heated is put, an external container 1 which has an air suction port 7 and air discharge port 8, covers the internal container 2, and is provided with a specified gap to the outer peripheral surface of the internal container, a combustion chamber 12 which is formed in the external container 1 under the internal container 2, and a solid fuel 4 which is arranged in the combustion chamber 12. The heating container efficiently heats a food or beverage, etc., contained in the internal container 2 by burning the solid fuel 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable container for mainly containing foods, drinks and the like, and a heating container for heating the contents by a heat generating material in the container.

[0002]

2. Description of the Related Art Conventionally, in a container for containing foods, drinks, etc., as a heating container for heating the contents by the heat-generating material in the container, calcium oxide reacts with water or iron powder etc. is oxidized. Some utilize the heat generated by. Although these conventional heating containers have been put into practical use mainly as containers for drinks such as sake, since the conventional heating containers have a small amount of heat generation, heating of foods, drinks, etc. that require heating at high temperature for a long time is performed. It is not suitable as a container, and if a conventional heating container is to be used as a heating container for foods, drinks, etc. that require heating at high temperature for a long time, a large amount of heat-generating material is required, which is economical. There was a problem in terms of portability and portability.

[0003]

DISCLOSURE OF THE INVENTION The present invention solves the problems of the conventional heating container described above, and is suitable for foods, drinks, etc. that require heating at high temperature for a long time, and has a low cost and a compact structure. The purpose is to provide.

[0004]

In order to achieve the above object, the first aspect of the present invention relates to an inner container that contains the contents to be heated, and an inner container that has an intake hole and an exhaust hole and covers the inner container. A heating container is composed of an outer container provided with a predetermined gap from the outer peripheral surface, a combustion chamber formed in the outer container below the inner container, and a solid fuel arranged in the combustion chamber. And

The second aspect of the present invention is characterized in that, in the heating container of the first aspect, the solid fuel is held by a fixing member fixed to the bottom of the inner container by a low melting point material.

Further, in the third invention of the present invention, in the heating container of the first invention or the second invention, an outer heat insulating material made of paperboard having a corrugated inner peripheral surface is arranged on the outer peripheral surface of the outer container. Is the gist.

[0007]

The heating container constructed as described above is shipped with the contents to be heated such as food and drink stored in the inner container, and the consumer ignites the solid fuel arranged in the combustion chamber when eating or drinking. By doing so, the food, drink, etc. contained in the inner container is heated while the combustion gas passes from the combustion chamber through the gap between the inner container and the outer container and is discharged from the exhaust hole of the outer container. In this case, by increasing or decreasing the amount of solid fuel depending on the type of contents to be heated, it can be easily applied to foods, drinks, etc. that require heating at high temperature for a long time.

Further, by holding the solid fuel on the bottom of the inner container by a fixture fixed by a low melting point material,
When the contents to be heated are cooked rice, cooked rice, etc. that need to be steamed after cooking or are easily charred, the moisture in the inner container decreases due to the burning of the solid fuel and the temperature in the inner container rises. It is possible to melt the melting point material and drop the solid fuel to the bottom of the combustion chamber to steam the contents to be heated.

Further, by disposing an exterior heat insulating material made of paperboard having an inner peripheral surface formed in a corrugated shape on the outer peripheral surface of the outer container, the container can be easily held and formed in a corrugated shape with the outer container. The gaps between the formed paperboards function as ventilation holes, and good combustion of solid fuel can be maintained.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the illustrated embodiments. 1 and 2 show a first embodiment of the heating container of the present invention. The heating container includes an inner container 2 made of metal for containing the contents 10 to be heated, and an outer container 1 made of metal which covers the inner container 2 and is separated from the outer peripheral surface of the inner container by a predetermined gap. The bottom of the inner container 2 and the bottom lid 5 of the outer container 1 are fixed by a fixture 9 composed of a bolt 91 and a nut 92 to form an outer shell thereof.

A combustion chamber 12 is formed in the outer container 1 below the inner container 2, and a solid fuel 4 is arranged in the combustion chamber 12, and the solid fuel 4 is a fixing member composed of a bolt 91 and a nut 92. It is fixed to the bottom lid 5 of the outer container 1 by 9. It is desirable to use a well-known solid fuel 4 and adjust the amount thereof according to the type of contents to be heated.

A plurality of intake holes 7 and exhaust holes 8 are formed on the outer peripheral surface of the outer container 1, and one of the intake holes 7 is
The ignition wick 11 made of fibers or explosives extending from the solid fuel 4 disposed in the combustion chamber 12 is seen. It is desirable that the end of the ignition wick 11 be lightly held on the outer peripheral surface of the outer container 1 with release paper or the like.

An outer heat insulating material 6 made of paper, metal or synthetic resin is provided on the outer peripheral surface of the outer container 1, and the outer container 1 is also provided.
It is desirable that the bottom cover 5 of the above is also formed of a heat insulating material. In this case, as shown in FIG. 5, the exterior heat insulating material 6 made of a paperboard 61 having an inner peripheral surface formed in a corrugated shape as the exterior heat insulating material is arranged on the outer peripheral surface of the outer container 1 so that the container can be held. At the same time, the gap between the outer container 1 and the corrugated paperboard 61 serves as a ventilation hole, and good combustion of the solid fuel 1 can be maintained.

The inner container 2 is provided with a lid 3 made of synthetic resin to prevent the contents from spilling during transportation of the heating container. In this case, the lid may be formed by welding a synthetic resin film to the upper end surface of the inner container 2.

FIG. 3 shows a second embodiment of the heating container of the present invention. In this embodiment, the inner container 2 and the outer container 1 are fixed by welding or caulking the upper edge of the inner container 2 to the upper edge of the outer container 1. A well-known solid fuel 4 is disposed in the combustion chamber 12, and the solid fuel 4 is fixed to the bottom lid 5 of the outer container 1 by a fixture 13 made of a thin metal wire. This facilitates the installation of the solid fuel 4, reduces heat conduction to the bottom lid 5 of the outer container 1, and prevents the bottom lid 5 from being heated. The other structure is similar to that of the first embodiment, and the description thereof is omitted.

In the above case, the inner container 2 and the outer container 1 may not be fixed, and the upper edge of the inner container 2 may be placed on the upper edge of the outer container 1. This makes it possible to reuse the heating container.

FIG. 4 shows a third embodiment of the heating container of the present invention. In this embodiment, the solid fuel 4 is held on the bottom of the inner container 2 by a fixture 14 made of a thin metal wire material fixed by a low melting point material such as solder. As a result, when the solid fuel burns to reduce the water content in the inner container and raise the temperature of the inner container, the low-melting-point material melts, releasing the solidification of the inner container 2 and the fixture 14, and fixing the solid fuel 4 to the bottom lid. 5 can be dropped on and the heating can be stopped or weakened. The other structure is similar to that of the second embodiment, and the description thereof is omitted.

In the heating container constructed as described above, the contents 10 to be heated such as food and drink are stored in the inner container 2 and shipped. Here, the contents to be heated, such as food and drink, specifically, are eaten and drink by catering, hiking, etc.,
It is a porridge, oden, cooked rice, cooked rice, food such as various prepared foods, or a drink such as a soup, but the content is not limited to this.

When a customer eats or drinks, the solid fuel 4 is ignited by igniting the ignition wick 11 of the solid fuel 4 arranged in the combustion chamber 12, and the combustion gas is burned by the combustion gas.
The food, drink and the like contained in the inner container 2 are efficiently heated while passing through the gap between the inner container 2 and the outer container 1 and being discharged from the exhaust hole of the outer container.

Further, as shown in the third embodiment, when the solid container burns to reduce the water content in the inner container and raise the temperature of the inner container, the low melting point material melts and the inner container 2 and the fixture 14 are melted. It can release sticking and drop the solid fuel 4 on the bottom lid 5 to stop or weaken the heating, and it can heat well cooked rice, cooked rice, etc. that need to be steamed after cooking or easily burnt. It is possible to cook.

[0021]

According to the present invention, it is possible to provide a heating container which is inexpensive and has a compact structure and which is easy to handle.
Further, the heating container of the present invention can be easily applied to foods, drinks, etc. that require heating at high temperature for a long time by increasing or decreasing the amount of solid fuel according to the type of contents to be heated. be able to.

Further, according to the second aspect of the present invention, even if the contents to be heated need to be cooked and then steamed or easily stick to the contents, the heating is automatically stopped without any particular operation. , Or it can be weakened, to steam the contents to be heated and prevent the contents from burning.

Further, according to the third aspect of the present invention, it becomes easy to hold the container and it is possible to maintain good combustion of the solid fuel.

[Brief description of drawings]

FIG. 1 is a diagram showing a vertical cross section of a first embodiment of a heating container of the present invention.

FIG. 2 is a view showing the outer appearance of a first embodiment of the heating container according to the present invention.

FIG. 3 is a view showing a vertical cross section of a second embodiment of the heating container according to the present invention.

FIG. 4 is a view showing a vertical cross section of a third embodiment of the heating container according to the present invention.

FIG. 5 is a view showing a cross section of an embodiment of the heating container of the present invention.

[Explanation of symbols]

 1 Outer Container 2 Inner Container 3 Lid 4 Solid Fuel 6 Exterior Thermal Insulation 7 Intake Hole 8 Exhaust Hole 9 Fixture 10 Contents 11 Ignition Core 12 Combustion Chamber 13 Fixture 14 Fixture 61 Paperboard

Claims (3)

[Claims] 1. An outer peripheral surface of an inner container (2) for containing a content (10) to be heated, an intake hole (7) and an exhaust hole (8) and covering the inner container (2). And an outer container (1) provided with a predetermined gap, a combustion chamber (12) formed in the outer container (1) below the inner container (2), and disposed in the combustion chamber (12) And a solid fuel (4) as described above. 2. The heating container according to claim 1, wherein the solid fuel (4) is held by a fixture (14) fixed to the bottom of the inner container (2) with a low melting point material. 3. An outer insulation material (6) made of a paperboard (61) having an inner peripheral surface formed in a corrugated shape is arranged on the outer peripheral surface of the outer container (1). The heating container according to 2.