JP6855213B2 - Heat treatment pack - Google Patents

Description

The present invention relates to a heat treatment pack capable of heat-treating a predetermined content in a sealed state, and in particular, a heat treatment in which the content to be heat-treated and the components necessary for the heat treatment are integrated into a unit. Regarding the pack.

Conventionally, a heat-treating package for heat-treating the contents and a packaged food in which the food is stored have been known (see, for example, Patent Document 1). Such heat-treated packaging and packaged food can be heat-treated in a microwave oven or the like while the contents (food) are sealed, and when the internal pressure rises due to heating, the predetermined position is opened to release the pressure. This makes it possible to prevent the packaging from bursting.

However, such a package for heat treatment and a packaged food cannot be used in a situation where a heating device such as a microwave oven cannot be used.

Therefore, the applicant should react with water so that foods can be easily heated even in situations where heating equipment such as microwave ovens cannot be used, such as during outdoor camping or emergency evacuation in the event of a disaster. A heat treatment pack (steam pack (registered trademark)) consisting of an exothermic agent that generates heat in the oven and a heating bag with a chuck that can store this exothermic agent together with water and opens the steam port by the steam pressure during heat generation. (See Non-Patent Document 1).

JP 2015-113132

http: // www. sun-a-kaken. co. jp / ir_information / businesss_pdf_file / suna106m. pdf

However, in the heat treatment pack as disclosed in Non-Patent Document 1, when used, the exothermic agent, the reaction water for reacting with the exothermic agent, and the food to be heated are individually heated with a chuck. It takes time to put it in the bag.

In addition, considering the time of a disaster, it is difficult to secure clean reaction water because the lifeline is cut off, and if sewage is used as reaction water, there will be hygiene problems such as food pollution. Concerns are needed, especially for infants and the elderly with low immunity.

The present invention has been made by paying attention to the above-mentioned problems, and can be stored as it is in case of a disaster or the like, can be easily heat-treated even in an environment where a heating device such as a microwave oven cannot be used, and is hygienic. Also aims to provide excellent heat treatment packs.

In order to achieve the above object, the heat treatment pack of the present invention contains a water-permeable exothermic agent container containing an exothermic agent that generates exothermic reaction with water and reaction water for reacting with the exothermic agent. A reaction water container that opens under the action of a predetermined pressure to release the reaction water to the outside, a content container that houses the contents to be heated, the exothermic agent container, and the reaction water container. The body and the sealed exterior body that houses the contents container in a sealed state are provided, and the sealed exterior body is easily opened to release the internal pressure that rises during the heat treatment accompanied by the heat generation of the exothermic agent. It is characterized by having a sex seal portion.

According to the above configuration, when a predetermined pressure (or impact) is applied to the reaction water container contained in the sealed exterior body from the outside of the sealed exterior body by, for example, tapping or pressing with a hand. , The reaction water container is opened and the internal reaction water is discharged into the sealed exterior body (outside of the reaction water container), and the released reaction water enters the water-permeable heating agent container and generates heat in it. By reacting with the agent, the heating agent generates heat. In addition, the heat generated in this way heats the contents inside the contents containing the contents, which are also contained inside the sealed exterior. During this heat treatment, the reaction water evaporates to generate steam, and the pressure inside the sealed exterior rises due to the vapor pressure, but the increased pressure is released to the outside by the easy-to-open seal, which causes it. , The sealed exterior does not burst during the heat treatment. Then, when the heat treatment of the contents is completed, the easy-to-open seal portion may be opened and the treated contents container may be taken out from the sealed exterior body.

As described above, the heat treatment pack having the above structure includes the contents to be heat-treated (contents container) and the components necessary for the heat treatment (heating agent container, reaction water container, and sealed exterior body). Is integrated into a unit, and the contents that have been heat-treated can be obtained by itself, so it can be stored as it is, and even in an environment where heating equipment such as a microwave oven cannot be used. The contents can be easily made by simply applying pressure to the reaction water container from the outside without the trouble of individually putting the heating agent, the reaction water, and the contents to be heated into the sealed outer body. Can be heat treated. In addition, since the reaction water is secured in the sealed exterior body in advance, it is not necessary to use sewage or the like as the reaction water in a bad environment, and therefore, it is not necessary to cause contamination of the contents, and it is hygienic. Is also excellent.

In the above configuration, the contents include foods / beverages (liquid foods such as water, soup, porridge), and non-foods such as chemicals (drugs such as dialysate) and adhesives. it can. In addition, examples of the exothermic agent include lime, and examples of the water-permeable exothermic agent container include non-woven fabric and the like. Further, the sealed exterior body may be transparent, translucent, or opaque.

Further, in the above configuration, the content container may be attached to the sealed exterior body via an easily openable seal portion, and in that case, the content container may be attached to the sealed exterior body. It is held stable. Further, in this case, the content container has a spout portion (for example, a spout) for pouring out the content, and a part thereof including the spout portion is exposed to the outside of the sealed exterior body. It is preferable that the seal portion is easily opened and is attached to the sealed exterior body. In such a configuration, after the heat treatment, the exposed portion of the content container exposed to the outside of the sealed exterior body can be grasped by hand and the content container can be taken out from the sealed exterior body, and thus the content container can be taken out. The body can be easily taken out, and since the exposed portion of the content container is not overheated by being exposed to the outside air, there is no burn when the content container is grasped and taken out by hand.

Further, in the above configuration, the sealed exterior body has an openable / closable opening that allows at least one of the exothermic agent container, the reaction water container, and the content container to be inserted into and removed from the sealed exterior body. It is preferable to have a portion. In such a configuration, the heating agent container, the reaction water container, and optionally the content container can be easily inserted into the sealed exterior body through the opening during the manufacturing and assembly of the heat treatment pack, and can be used. In the previous storage state, the heating agent container, the reaction water container, and in some cases, the content container can be taken out from the sealed exterior body through the opening to check their storage state, and further, heat treatment is performed. Later, the exothermic agent container, the reaction water container, and optionally the content container can be removed from the sealed exterior through the opening and discarded individually.

According to the present invention, a heat treatment pack can be obtained as it is in case of a disaster or the like, can be easily heat-treated even in an environment where a heating device such as a microwave oven cannot be used, and is hygienic.

It is a front view which showed the concept of the heat treatment pack which concerns on one Embodiment of this invention.

Hereinafter, an embodiment of the heat treatment pack 1 according to the present invention will be described with reference to FIG.

As shown in FIG. 1, the heat treatment pack 1 of the present embodiment has a water-permeable exothermic agent container 2 accommodating an exothermic agent 12 that generates exotherm by reacting with water, and a reaction for reacting with the exothermic agent 12. A reaction water container 4 that houses water 14 and opens the package under the action of a predetermined pressure to release the reaction water 14 to the outside, a content container 6 that houses the content 10 to be heated, and an exothermic agent. It includes a container 2, a reaction water container 4, and a sealed exterior body 8 that houses the contents container 6 in a sealed state. The contents 10 contained in the contents container 6 include foods and beverages including liquid foods such as soup and porridge, as well as non-foods such as chemicals (drugs such as dialysate) and adhesives. You can also list the items.

The sealed exterior body 8 may be transparent, translucent, or opaque, and the bag may be formed by superimposing a pair of sheet-shaped members and welding the periphery, or by bending the sheet-shaped members and welding the side portions. It is formed in a shape. In this case, the sealed outer body 8 may be a non-self-supporting bag or a self-standing bag. The sheet-like member is formed of, for example, a heat-resistant plastic material (plastic film). Specific examples of such plastic materials include polyolefins such as polyethylene and polypropylene; halogenated polyolefins such as polyvinylidene chloride and vinylidene fluoride; polyvinyl alcohol; nylon 6, nylon 6,6, polymethoxylylen adipamide and the like. Polyester; Polyesters such as polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, and polybutylene naphthalate; polyacrylic acid esters such as methyl poly (meth) acrylate, ethyl poly (meth) acrylate, and butyl poly (meth) acrylate. ; And a copolymer of the monomer forming these. In addition, "(meth) acrylic" means methacrylic or acrylic.

Specific examples of polyethylene include linear low-density polyethylene, high-pressure low-density polyethylene, high-density polyethylene, and metallocene-based polyethylene. Specific examples of polypropylene include homopolymers of propylene, random or block copolymers of propylene with ethylene or 1-butene.

The plastic film may be a single layer, or may be laminated in two or more layers by coextrusion or the like. For example, the plastic film is preferably composed of a base material layer and an easy open layer, and may further have another layer between the base material layer and the easy open layer. The plastic film may be a gas barrier composite film to which an inorganic oxide thin film such as aluminum oxide or silicon oxide is added. This composite film can be obtained by heating and vaporizing a simple substance or a mixture of aluminum oxide or silicon oxide under vacuum and depositing it on the surface of the film.

Further, the sealed exterior body 8 has an easily openable sealing portion 8a for releasing the internal pressure that rises during the heat treatment accompanied by the heat generation of the exothermic agent 12. Such an easy-to-open seal portion 8a can be formed by, for example, a gassho joint portion in which the same side surfaces of the plastic films are brought into contact with each other and joined in a gassho shape by heat sealing.

In the present embodiment, the easy-to-open seal portion 8a is formed so as to be located on the edge side of the sealed exterior body 8 (upper side of the content 10 of the content container 6) than the content 10, for example, and is heated. When the internal pressure of the sealed exterior body 8 rises due to the treatment, it has an easy-opening property to release the pressure. Specifically, the easy-to-open seal portion 8a is an easy-open tape (not shown) of the pair of plastic film portions constituting the easy-open seal portion 8a among the plastic films constituting the sealed exterior body 8 as needed. It is formed by heat-sealing with the plastic inserted. The position of the easily openable seal portion 8a on the sealed exterior body 8 is not limited to the position shown in the figure. The position of the easy-to-open seal portion 8a can be arbitrarily set as long as the internal pressure of the sealed exterior body 8 can be released by the heat treatment.

More specifically, the easy-to-open seal portion 8a preferably has a heat seal strength of 1200 g / 15 mm or less, and more preferably 800 g / 15 mm or less in an atmosphere of 90 ° C. The heat-sealing strength of the easily-openable sealing portion 8a in an atmosphere of 90 ° C. may be 0 g / 15 mm, but is preferably 100 g / 15 mm or more. The heat seal strength is a value measured in an atmosphere of 90 ° C. according to JIS Z0238 “Test method for sealed flexible packaging bag”.

Further, the easy-to-open seal portion 8a may be a complete seal or an easy-open seal at room temperature. The heat-sealing strength of the easily-openable sealing portion 8a in a normal temperature atmosphere is preferably 150 to 2000 g / 15 mm, more preferably 300 to 1500 g / 15 mm. The heat seal strength in a normal temperature atmosphere is a value measured in a normal temperature (23 ° C. 65% RH) atmosphere according to JIS Z0238 “Test method for sealed flexible packaging bag”.

As an example of a complete seal at room temperature and a heat seal strength of 1200 g / 15 mm or less in an atmosphere of 90 ° C., the sealant of the easy-to-open seal portion 8a is a polyolefin, for example, a melting point of 120 ° C. or less (preferably 110 ° C. or less). This can be achieved by using polyethylene or polypropylene having a melting point of 140 ° C. or lower (preferably 130 ° C. or lower) and using a sealant having a melting point higher than this by 10 ° C. or higher as the sealant for other parts. The melting point is a value measured based on ASTM2117.

Further, in the present embodiment, a plurality of through holes (shown) arranged in a direction perpendicular to the width direction of the heat seal forming the easy-to-open seal portion 8a on one of the plastic films constituting the easy-to-open seal portion 8a. It is preferable to provide (1). By doing so, when the internal pressure of the sealed exterior body 8 rises due to heating, the easy-to-open seal portion 8a is steamed at the position of the through hole before being opened over the entire width direction of the heat seal, and a plosive sound is generated. Is less likely to occur. In addition, water vapor can be released to the extent that the sealed exterior body 8 does not burst, and it is possible to prevent the internal pressure from dropping more than necessary and the contents 10 from popping out.

Further, such an easily openable seal portion 8a also has a function of attaching the content accommodating body 6 to the sealed outer body 8 in the present embodiment. That is, in the present embodiment, the content container 6 is formed as a self-standing bag by, for example, the same plastic film as the sealed exterior body 8, and is between a pair of plastic films forming the easily openable seal portion 8a. It is heat-sealed so that it is sandwiched (intervened).

The content container 6 of the present embodiment has a spout portion (for example, a spout) 20 for pouring out the content 10, and a part thereof including the spout portion 20 is outside the sealed exterior body 8. In the exposed state (exposed portion 6A), it is attached (heat-sealed) to the sealed exterior body 8 by the easily-openable sealing portion 8a. That is, the plastic film constituting the content container 6 forms the easy-to-open seal portion 8a in cooperation with the plastic film constituting the sealed exterior body 8. In addition, such a content container 6 is made of aluminum by using a sealable film such as polyethylene or polypropylene for the innermost layer and the outermost layer, so as to prevent the quality of the content 10 from deteriorating during storage. It may be.

Further, in the sealed exterior body 8 of the present embodiment, at least one of the heating agent container 2, the reaction water container 4, and the content container 6 can be inserted and removed from the sealed exterior body 8. (In the present embodiment, if the easy-to-open seal portion 8a is easily opened at room temperature as described above, the heating agent accommodating body 2 and the reaction including the content accommodating body 6 attached to the sealing exterior body 8 An openable / closable opening 8b (where the water accommodating body 4 can be inserted / removed from / from the sealed exterior body 8) is provided, for example, on the opposite end edge of the easily openable sealing portion 8a. Such an opening 8b may be formed by a seal portion that can be opened and closed in the same manner as the easily openable seal portion 8a described above, but may be formed by a notch, a chuck, or the like.

Further, the exothermic agent accommodating body 2 housed inside the sealed exterior body 8 formed as described above is formed of, for example, a water-permeable non-woven fabric, and contains, for example, lime as the exothermic agent 12. In particular, in the present embodiment, the exothermic agent 12 is 100% lime, unlike the conventional exothermic agent 12 which contains a metal and generates hydrogen gas, and its exotherm is controlled by the basis weight of the non-woven fabric and the like. The exothermic agent container 2 is arranged below the content container 6 (opening 8b side), and is welded to the inner surface of the sealed exterior body 8 so as not to move inside the sealed exterior body 8. It may be temporarily fixed by such means. However, the arrangement form of the exothermic agent accommodating body 2 in the sealed exterior body 8 is not limited to this.

Further, the reaction water container 4 housed in the sealed exterior body 8 is formed of a film that can be easily opened by an impact force or pressure (has easy-to-cut property, and is formed by, for example, an easy peel film or poroso processing). Therefore, it is desirable to form a flat shape in which pressure is easily applied to one side. Further, the reaction water container 4 is arranged adjacent to the exothermic agent container 2 on the lower side (opening 8b side) of the content container 6 and is sealed so as not to move in the sealed exterior body 8. It may be temporarily fixed to the inner surface of the exterior body 8 by welding or the like. However, the arrangement form of the reaction water accommodating body 4 in the sealed exterior body 8 is not limited to this.

According to the heat treatment pack 1 of the present embodiment configured as described above, the reaction water accommodating body 4 in the sealed outer body 8 is reacted by, for example, tapping or pressing with a hand from the outside of the sealed outer body 8. When a predetermined pressure (or impact) is applied to the water container 4, the reaction water container 4 is opened and the internal reaction water 14 is discharged into the sealed exterior body 8 (outside the reaction water container 4). The discharged reaction water 14 enters the water-permeable heating agent container 2 and reacts with the heating agent 12 therein, so that the heating agent 12 generates heat. Further, the heat generated in this way heats the content 10 of the content containing body 6 which is also housed in the sealed exterior body 8. Further, during this heat treatment, the reaction water 14 evaporates to generate steam, and the pressure inside the sealed exterior body 8 rises due to the vapor pressure, but the increased pressure is transferred to the outside by the easy-to-open seal portion 8a. It is released so that the sealed exterior 8 does not burst during the heat treatment. Then, when the heat treatment of the content 10 is completed, the easy-to-open seal portion 8a may be opened and the processed content container 6 may be taken out from the sealed exterior body 8.

As described above, the heat treatment pack 1 of the present embodiment includes the content 10 to be heat-treated (content container 6) and the components necessary for the heat treatment (exothermic agent container 2, reaction water container 4, etc.). In addition, since the sealed exterior body 8) is integrated into a unit and the heat-treated contents 10 can be obtained as it is, it can be stored as it is in case of a disaster or the like. .. Further, it is not necessary to put the exothermic agent, the reaction water, and the content to be heated individually into the sealed exterior body 8, and the content is simply applied to the reaction water container 4 from the outside. The object 10 can be easily heat-treated. Further, since the reaction water 14 (reaction water accommodating body 4) is secured in the sealed exterior body 8 in advance, it is not necessary to use sewage or the like as the reaction water in a bad environment, and therefore the content 10 is contaminated. It does not cause such problems and is excellent in hygiene.

Further, according to the present embodiment, since the content accommodating body 6 is attached to the sealed exterior body 8 via the easily openable seal portion 8a, the content accommodating body 6 is attached to the sealed exterior body 8. On the other hand, it is held stably. In particular, in the present embodiment, the content container 6 has a spout portion 20 for pouring out the content 10, and a part thereof including the spout portion 20 is exposed to the outside of the sealed exterior body 8. Since it is attached to the sealed exterior body 8 by the easily openable sealing portion 8a in the closed state, the exposed portion 6A of the content accommodating body 6 exposed to the outside of the sealed exterior body 8 is grasped by hand after the heat treatment. The content accommodating body 6 can be taken out from the sealed exterior body 8, so that the content accommodating body 6 can be easily taken out, and the exposed portion 6A of the content accommodating body 6 is excessively heated by being exposed to the outside air. Since this is not the case, there is no burn when the content container 6 is grasped and taken out by hand.

Further, since the sealed exterior body 8 of the present embodiment has an opening / closing opening 8b, the exothermic agent container 2 and the reaction water container are contained in the sealed exterior body 8 through the opening 8b at the time of manufacturing and assembling the heat treatment pack. 4. And, in some cases, the content container 6 can be easily inserted, and in the storage state before use, they can be taken out to check the storage state. Further, after the heat treatment, the exothermic agent container 2, the reaction water container 4, and the content container 6 can be taken out through the opening 8b and discarded individually.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be variously modified and implemented without departing from the gist thereof. For example, in the above-described embodiment, the exothermic agent is 100% lime, but the component material constituting the exothermic agent is not limited to this. Further, the arrangement relationship of the exothermic agent accommodating body, the reaction water accommodating body, and the content accommodating body in the sealed exterior body, the materials thereof, and the like are not limited to the above-described embodiments, and can be arbitrarily set. Further, the positions of the easily-openable seal portion and the opening in the sealed exterior body can be arbitrarily set.

1 Heat treatment pack 2 Exothermic agent container 4 Reaction water container 6 Contents container 6A Exposed part 8 Sealed exterior body 8a Easy-to-open seal part 8b Opening 10 Contents 12 Exothermic agent 14 Reaction water 20 Injection outlet part

Claims (3)

A water-permeable exothermic agent container that contains an exothermic agent that generates heat when it reacts with water,
A reaction water container for accommodating the reaction water for reacting with the exothermic agent and opening the package under the action of a predetermined pressing force to release the reaction water to the outside.
A content container that houses the content to be heated,
A sealed exterior body that houses the exothermic agent container, the reaction water container, and the contents container in a sealed state.
With
The reaction water container is opened by pressing from the outside of the sealed exterior body, and the reaction water is discharged into the sealed exterior body.
The sealing outer body, have a peelable seal portion for releasing internal pressure to rise during the heat treatment with the heat generation of the heat generating agent,
A heat treatment pack, characterized in that the content container is attached to the sealed exterior body via the easily openable seal portion. The contents container has an outlet for pouring out the contents, and the easily openable seal portion is in a state where a part including the outlet portion is exposed to the outside of the sealed exterior body. The heat treatment pack according to claim 1, wherein the heat treatment pack is attached to the sealed exterior body. The sealed exterior has an openable and closable opening that allows at least one of the exothermic agent container, the reaction water container, and the content container to be inserted and removed from the sealed exterior. The heat treatment pack according to claim 1 or 2, further comprising.

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