JPH0282910A - Food heating container - Google Patents

Abstract

PURPOSE:To enable an ignition agent to be simply ignited and extremely safely handled by providing a combustible heating agent and the ignition agent consisting of materials and ignition chemicals which are exothermic upon water addition. CONSTITUTION:This container for receiving food and drink consists of a container body 1 and a heating agent reservoir 2 which receives the heating agent 4 in the interior and a heat insulating agent 5 mounted thereon. An agent 7 which is exothermic upon water addition is received in a projection of an exothermic agent container 3 can start easily the exothermic reaction by adding a proper amount of water with a water supply device 11. An ignition agent. An ignition agent 6 is ignited and transmits fire by said exothermic agent starting the heat generation to start the combustion reaction of the heating agent 4. The ignition agent 6 extends through said container 3 to be inserted up to a position of said agent 7 so that the ignition is facilitated. While materials which are exothermic by making contact and mixing with water may be widely employed for said agent 7, oxide of alkali earth metals for example is preferable and calcium oxide is the most preferable.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a food heating container.

(Prior Art) Generally, methods of heating foods using combustible heating agents are well known. For example, U.S. Pat.
No. 84278, No. 3527201, JP-A-63-15
As seen in No. 2572, a method of igniting a combustible heating agent that combines a metal and an oxidizing agent is generally known. The most common method is to use a fuse wrapped in thread or impregnated with a self-combusting combustion agent. Also introduced are methods to ignite electrically and methods to ignite a heating agent using gunpowder or a matchstick.

(Problems to be Solved by the Invention) However, when a fuse is used as an ignition device, a matchstick or lighter is required to ignite the fuse.
The problem was that it was inconvenient.

Similarly, electrical ignition required a power source such as a battery.

There is also a method of easily igniting the fire using gunpowder or a stick, but there is a risk that the fire may ignite unexpectedly if a shock is applied.

(Means for Solving the Problems) As a result of conducting research focusing on the above-mentioned problems, the present inventors have developed a food heating system that can be easily ignited and is extremely safe to handle. This led to the invention of a container.

That is, the present invention provides a container with a food heating function in which a food, a heating agent for the food, and an ignition agent are separately housed, wherein the heating agent is a combustible heating agent, and the ignition agent is (A) when water is added. This food heating container is characterized by comprising a substance that generates heat (hereinafter referred to as a "hydroexothermic agent") and (B) an igniter.

Hereinafter, the configuration of the present invention will be described according to the drawings. FIG. 1 shows a typical example of a food heating container.

The food heating container used in the present invention consists of a container body 1 for storing food and drink and a heating agent storage part 2.

Both may be configured integrally or separately, but the heating agent used in the present invention is self-combustible, such as a mixture of metal and oxidizing agent. Metals such as are used.

A heating agent 4 is stored in the inner part of the heating agent storage section, and then a heat insulating agent 5 is placed. As the heat insulating material, for example, an inorganic foam such as vermiculite or perlite is used.

Next, the exothermic agent container 3 is fixed in contact with the heat insulating material 5. The exothermic agent container 3 has a convex shape facing the heat insulating material 5, and also serves as a lid for the heat insulating material.

A hydrated exothermic agent 7 is stored in the convex portion of the exothermic agent container 3, and heating can be easily started by adding an appropriate amount of water using a simple dropper-shaped water supply device 11. The ignition agent 6
is ignited and propagated, and a combustion reaction of the heating agent 4 can be started. The ignition agent 6 can be easily ignited by penetrating the exothermic agent container 3 and inserting it to the area where the hydrated exothermic agent 7 is located. As shown in Fig. 2, a convex part is provided at the bottom of the convex part of the heat-generating container 3 to accommodate the igniter toward the heat insulating material, and the igniter can be inserted into the convex part, or the tip of the igniter can be inserted with a pine-like piece. An igniter 6a may also be used. As the hydrothermal exothermic agent used in the present invention, a wide range of substances can be used as long as they generate heat when contacted and mixed with water, but for example, oxides of alkaline earth metals are preferable, and the most preferable ones are oxides of alkaline earth metals. Calcium.

In particular, calcium oxide is preferably one that undergoes a rapid hydration reaction and reaches a temperature of 200° C. or higher even in an amount of about 2 to 30 g.

Since the hydrothermal exothermic agent of the present invention may absorb moisture from the outside air, it is desirable to have a sealed structure.

For example, after a hydrated exothermic agent is stored in the exothermic agent container 3, a waterproof seal 8 is attached thereto.

Next, the igniter used in the present invention is a self-combustible one consisting of a combination of an oxidizing agent such as an inorganic oxide salt, a metal oxide, a metal peroxide, and a metal, and preferably undergoes a gasless reaction. It is something. A preferred example is a combination of red lead and silicon iron, and for better handling, nitrocellulose is used as a binder for the ignition agent.
It can also be impregnated with a fibrous material.

In the example shown in FIG. 3, a hydrated exothermic agent, an ignition agent, and an auxiliary ignition agent are housed in a exothermic agent container. The auxiliary ignition agent 6b may be of the same composition as the ignition agent and is used to ensure ignitability through the heat-generating container wall.

The ignition device for a food heating container of the present invention uses a water supply device 11 attached to the container as shown in FIG. do. The water-added exothermic agent 7 that has been injected with water quickly generates heat and its temperature rises, and the maximum temperature is 200 to 400.
Reach 'C. Since the ignition agent 6 is designed to easily ignite when it reaches this temperature range, it usually takes several tens of seconds to ignite the ignition agent. The ignition agent 6 propagates through the heat insulating material 5, reaches the heating agent 4, and starts combustion of the heating agent. The heating agent generates heat while burning, and can heat food and drink.

(Effects) As described above, the food heating container ignition device of the present invention can heat the food and drink by igniting the heating agent using a small amount of water, and there is no need to use a matchstick or lighter. ,
It is extremely safe and allows you to achieve your goals.

4. Examples Example 1 As shown in FIG. 1, 200 cc of coffee was packed into a container body integrated with a heating agent storage container.

As a heating agent: 12 g of potassium permanganate, 1 iron powder
8g of the mixture was filled, followed by vermiculite as insulation. The exothermic agent container was molded from a 0.5 mm aluminum plate and had a diameter of 20 mm.

There is a protrusion with a depth of 15 mm. Calcium oxide in it 5
I put g. The igniter was a hemp thread (diameter 2 mm) impregnated with a dope of 50% red lead, 20% silicone, 1.5% nitrocellulose, and 28.5% acetone and dried.
The exothermic agent was penetrated through the exothermic agent container and inserted 10 mm into the hydrated exothermic agent and fixed, and the other end of the ignition agent was inserted into the heating agent and fixed.

Adhesive was applied to the joint between the exothermic agent container and the heating agent storage container to prevent moisture, and a moisture-proof seal was applied to the exothermic agent container. Next, using a polyethylene water supply device containing 2 cc of water, the waterproof seal was removed and the entire amount of water was poured.

After about 35 seconds, a boiling sound started to be heard, and after 4 minutes, heating of the coffee was completed.

Example 2 The same container body, food and drink, heating agent, and heat insulating material as in Example 1 were used.

As shown in FIG. 2, there was a recess with a diameter of 4 squares and a depth of 12 mm at the bottom of the exothermic agent container, into which about 0.1 g of munch was placed, and then two bottles of the ignition agent used in Example 1 were inserted. Next, the other end of the igniter was inserted into the heating agent and fixed. The exothermic agent container has a diameter of 20
It had a convex portion with a depth of 15 mm and a depth of 15+r+m, and was filled with 7 g of calcium oxide. A moisture-proof sticker was attached to the exothermic agent container. Next, using a polyethylene water supply device containing 3 cc of water, the waterproof seal was removed and the entire amount was poured.

After about 50 seconds, a boiling sound started to be heard, and after 4 minutes, heating of the coffee was completed.

Example 3 The same container body, food and drink, heating agent, and heat insulating material as in Example 1 were used.

As shown in Figure 3, the exothermic agent container has a diameter of 15+mm and a depth of 3.
It has a 5mm convex part, and 5g of the heating agent of Example 1 is placed in the innermost part.
Then, the igniter of Example 10 was added, and 10 g of calcium oxide was added. Finally, put glass wool on it, compress it, and apply a waterproof sticker. Next, using a polyethylene water supply device containing 4 cc of water, the waterproof seal was removed and the entire amount of water was poured.

After about 50 seconds, a boiling sound was heard, and after 4 minutes, heating of the coffee was completed.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the ignition device for a food heating container according to the present invention, and FIGS. 2 and 3 are longitudinal cross-sectional views showing other embodiments of the present invention. 1--container body, 2- heating agent storage container, exothermic agent container, 4- heating agent, 5- cutting 6- ignition agent, 6a
- Ignition agent, auxiliary ignition agent, 7--Hydrated exothermic agent moisture-proof seal, 9- Lid of container body, lid opening, 1m- Water supply device heating material, b Figure 1 Patent application Asahi Kasei Corporation U

Claims (1)

[Claims] 1) In a container with a food heating function in which food, a heating agent for the food, and an ignition agent are stored separately, the heating agent is a combustible heating agent, and the ignition agent is (A) a substance that generates heat when water is added. (hereinafter referred to as "hydroexothermic agent"), and (B) a food heating container characterized by comprising an igniter.