JPH0619505Y2 - Heating container - Google Patents

Description

[Detailed Description of the Invention] << Industrial Application Field >> This invention is a liquid food and drink such as soup, miso soup, milk, coffee, sake, cooked rice, etc. For vegetables such as potatoes, carrots, meats such as beef and pork, solid or semi-solid food and drink such as seafood, canned foods, bottled foods, bags made of synthetic resin or aluminum laminated with synthetic resin, etc. The present invention relates to a heating container for heating filled food and drink, and more particularly to a heating container having an improved water injection means.

<Prior Art> Various heating of various foods and drinks by the heat of hydration reaction between quicklime and water have been attempted in the past, and representative ones are, for example, Japanese Patent Publication No. 57-54382 and Japanese Utility Model Publication. No. 57-2867.

However, in the former heating container, since water is poured into the opening from the outside, hot steam is ejected from the opening due to the hydration reaction, and water must be carried separately when used outdoors.

Also, in the latter heating container, it breaks when the opening needle is pierced into the water bag, but according to this, the hole of the broken water bag has almost the same diameter as the outer diameter of the opening needle, so hydration The amount of water supplied in the initial stage of the reaction is insufficient, sufficient water is not filled in the whole quick lime, a large amount of unreacted quick lime remains, and the temperature of the heated object does not rise sufficiently.

The inventors of the present invention have developed a heating container suitable for a large amount of hydration reaction in order to solve such conventional problems.
It has already been proposed in No. 118819.

In the heating container according to this application, a band-shaped water bag is used as a means for injecting the exothermic agent, one end of the water bag is opened at the time of use, and this is pulled out to the other end side, so that the amount of water required for the initial reaction of the exothermic agent However, according to the subsequent examination, this water injection method had the following problems.

<< Problems to be solved by the invention >> That is, in the heating container of the above application, a heating agent and an inner container containing a heated object are placed on the upper part of the strip-shaped water bag, and the container part and the lid part of the container are While holding both ends of the strip-shaped water bag between them, one end is broken and pulled out to the other end side during use, but the strip-shaped water bag bent along the shape of the container part can be easily pulled out. There was a problem that was not.

The present invention has been made in view of such problems, and an object thereof is to provide a heating container that can be easily broken and pulled out.

<Means for Solving the Problems> In order to achieve the above object, the present invention has a bag body containing an inner container for containing an object to be heated and an exothermic agent for heating the object to be heated by a hydration reaction. And a reaction inducing water bag for supplying water for hydration reaction to the exothermic agent, and a heating container comprising an inner container and an outer container for accommodating the bag and the reaction inducing water bag, wherein the reaction inducing water bag Is formed of a synthetic resin film, is disposed below the bag body, is provided with a notch portion on the side thereof, fixes one end of the reaction inducing water bag to the outer container, and connects the notch portion with a string. The body is locked, and the body is broken by pulling this string in the direction opposite to the fixed side of the reaction inducing water bag, and the bag body is formed of a water-permeable material, and the upper side of the heating agent or at the center,
It is characterized in that a water bag for secondary reaction that is broken by the hydration reaction of the exothermic agent is provided.

<Operation> According to the heating container having the above-described configuration, since the notch for breaking is provided on the side portion of the reaction inducing water bag, one end of the string body locked to the notch is pulled in the direction opposite to the fixed side of the water bag. Then, the water bag can be easily broken along the notch. Further, according to the heating container having the above-mentioned configuration, since the secondary reaction water bag that is broken by the reaction heat of the exothermic agent is arranged above or in the center of the exothermic agent contained in the bag, the amount of the exothermic agent is increased. Even if there are many
Sufficient water for the hydration reaction can be supplied.

<< Embodiment >> Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an overall view of the heating container according to the present invention.

The heating container shown in the figure is a heat-insulating outer container 20, a reaction-inducing water bag 22, a secondary reaction water bag 24, and a water-permeable bag body 28 containing a heating agent (for example, quick lime) 26, and an object to be heated. It is roughly configured from an inner container 30 that stores certain food and drink.

The outer container 20 is a rectangular container formed by assembling plates made of paper, plastic, glass, pottery, metal covered with heat insulating material, etc., and is composed of a container portion 20a having an open upper end and a lid portion 20b for closing the same. Has been done.

The secondary reaction water bag 24 housed in the bag body 28 is made of a synthetic resin film or the like, is broken by the initial hydration reaction of the exothermic agent 26, and releases the water inside to cause the secondary reaction of the exothermic agent 26. Although it is placed above the exothermic agent 26, it may be provided at the center thereof.

The material of the water-permeable bag body 28 is paper, cloth, non-woven fabric or the like that allows water to easily pass through the entire surface thereof, but other than this, for example, aluminum foil or aluminum foil with a synthetic resin film attached thereto. The exothermic agent 26 and the water bag 22 for secondary reaction may be wrapped with a through hole 28a at least on the lower surface so as to have water permeability. This is illustrated in the drawings of this embodiment.

The inner container 30 is most preferably formed of a metal foil such as aluminum, but may be a laminate of a synthetic resin film and a metal foil, or a heat resistant synthetic resin film.

FIG. 2 shows the details of the reaction inducing water bag 22.

The reaction-inducing water bag 22 is formed in an elongated strip shape, and is composed of a predetermined amount of water and a synthetic resin film such as polyethylene.
32 is fused and sealed with water.

In addition, an inwardly protruding seal portion 34 is formed on one vertical seal line 31 in the short side direction of the water bag 22, and the seal portion 34 is provided with a V-shaped notch portion 36. There is.

One string 38 is inserted through the notch portion 36 from one surface of the reaction inducing water bag 22 toward the other surface, and the string 38 is extended along both surfaces of the water bag 22 and its end is extended. The part reaches the outside of the outer container 20.

On the other hand, the end portion of the reaction inducing water bag 22 on the side where the notch portion 36 is provided is attached to the container portion 20a by the adhesive tape 40.
It is fixed to the inner bottom surface of the.

When using the heat-generating container having the above-mentioned configuration, after putting an object to be heated such as food and drink in the inner container 30, the lid is covered as shown in FIG.

Next, the end portion of the string 38 protruding from the outer container 20 is pulled while pressing the outer container 20. By this operation, the reaction inducing water bag 22 is fixed to the container portion 22a at one end opposite to the pulling direction, so that the reaction inducing water bag 22 is torn from the notch portion 36 and further pulled from the notch portion 36 by pulling the string body 38. .

When the water bag 22 is broken, the water inside is released into the container portion 20a and contacts the exothermic agent 26 through the bag body 28 to cause a hydration reaction, and the heat of reaction causes the water bag 24 for the secondary reaction to move. It melts and releases water again, so that the reaction of the exothermic agent 26 continues in a chain.

The heat generated by the reaction of the quicklime 26 is transferred to the object to be heated via the inner container 30 and heats it to a predetermined temperature.

FIG. 3 shows another form of the reaction inducing water bag 22. In this example, the seal portion 34a is provided on one of the horizontal seal lines 32, and the string 38 is pulled in the vertical direction of the water bag 22. Break.

In addition, FIG. 4 shows still another example, in which the seal portion 34a is provided on the horizontal seal line 31 similarly to FIG. 3, but the notch portion 36 has the cord 38. The one end in the short side direction of the water bag 22 is fixed by inclining it in the direction of pulling and notching.

Even if the water bag 22 shown in FIGS. 3 and 4 is used, food and drink can be heated as in the first embodiment.

In addition to the circular cross section of natural or synthetic fiber, the cord 38 shown in the above embodiment may have a square or elliptical cross section and the like, and are joined together at a portion apart from the water bag 22. Good.

Further, an insertion guide may be provided on the surface of the water bag 22 in order to arrange the cord body 38 along the surface of the water bag 22.

<< Effects of the Invention >> As described in detail in the above embodiments, the heat generating container according to the invention can easily and reliably break the water bag used for the hydration reaction with the heat generating agent. Further, in the heating container of the present invention, since a sufficient amount of water necessary for the hydration reaction of the exothermic agent is secured and a large amount of heat is obtained, various foods that require a large amount of heating energy can be heated to a temperature suitable for eating and drinking. Can be heated

[Brief description of drawings]

FIG. 1 is a sectional view showing a first embodiment of the heating container of the present invention,
FIG. 2 is a plan view of a reaction-inducing water bag used in the container,
FIG. 3 and FIG. 4 are plan views showing other examples of the same water bag. 20 ... Outer container, 22 ... Reaction inducing water bag 26 ... Exothermic agent, 28 ... Bag body 30 ... Inner container, 36 ... Notch part 38 ... String body

Claims (1)

[Scope of utility model registration request] 1. An inner container for containing an object to be heated, a bag containing an exothermic agent for heating the object to be heated by a hydration reaction, and a reaction for supplying water for the hydration reaction to the exothermic agent. Inducing water bag, in a heating container consisting of the inner container and an outer container accommodating the bag body and the reaction inducing water bag, the reaction inducing water bag is formed of a synthetic resin film, below the bag body It is arranged, a notch portion is provided on its side portion, one end of the reaction inducing water bag is fixed to the outer container, and a string is locked in the notch portion, and this string is attached to the reaction inducing water bag. A secondary reaction that is broken by pulling in a direction opposite to the fixed side, forms the bag body with a water-permeable material, and breaks above or in the center of the exothermic agent due to a hydration reaction of the exothermic agent. A heating container having a water bag.