JP6516999B2 - Container and food separation sheet material - Google Patents

Description

The present invention relates to a container and a food separation sheet material,
More specifically, there is no need to remove after heating, the process to eat is simple, there are no problems such as dirt on the hand, or skipping of food to the surroundings, little waste, and eco food separation sheet material set Container and food separating sheet material.

In food, when mixing multiple foods, adding seasoning to foods, putting foods into seasoning with food, there are many cases where it is preferable to do them immediately before eating from the viewpoint of taste etc. Do.
For this reason, various techniques for separating foodstuffs have been proposed in the field of manufacturing foodstuffs consisting of a plurality of foodstuffs such as lunch boxes.

For example, in Patent Document 1 (Japanese Patent Application Laid-Open No. 2002-240866), a packaging bag for a microwave oven which can store the sauce and the food separately and can automatically mix them in the process of cooking, and an eel etc. using the same bag As a food package, the first room for containing food and the seasoning liquid are separated by a partition part having a communicating part for spouting the seasoning liquid broken out from the sachet which has been broken during heating to the first room. There has been proposed a food packaging bag for a microwave oven, which comprises a bag comprising a second chamber for containing the introduced sachet, and a pouch containing a seasoning liquid to be broken during heating contained in the second chamber.
Further, for example, Patent Document 2 (Japanese Patent Laid-Open No. 2000-007055) can completely seal a food such as a cooked or semi-cooked food which requires a plurality of contents to be put together and can be completely sealed As a package which can be cooked, and can easily put together a plurality of contents when eating, a sealed container in which a lid and a container body are heat-bonded and sealed in a peelable manner at a heat-bonded portion Of the two sealed containers are integrally held by a synthetic resin film, and an opening piece is provided by connecting to the outer edge from the opposite position of the outer edge of the lid of the two sealed containers. And the opening pieces are folded at their respective outer edges, and further, the leading ends of the opening pieces are overlapped and taken out of the two sealed containers, and the fitting corresponding to the ends of the opening pieces Packaging body opening for cuts for taking out the tip of the opening piece at the position of the resin film is formed has been proposed.
Also, for example, in Patent Document 3 (Japanese Patent Laid-Open No. 2004-250013), as a packaging bag which enables automatic outflow of a liquid based on heating of the liquid while maintaining the liquid at a certain quality or more over a long period of time A laminated film comprising a stretched base film layer and a sealant layer, and a straight line extending over the entire length of the filling space in the portion of the stretched base film layer corresponding to the filling space 2 of the package on the bottom surface. A packaging bag is proposed which is provided with a groove-breaking guiding groove.

  Further, for example, in Patent Document 4 (Japanese Patent Application Laid-Open No. 2009-012802), in a microwave oven heating container, as a container which can realize three-dimensional partial heating without depending on the shape of the container, The inner lid is composed of an aluminum foil layer, a heat-adhesive resin layer laminated on one side, and a resin film layer laminated on the other side, and a circular gap is formed at the center of the aluminum foil layer. The heat-shrinkable resin layer forms arc-shaped cuts at positions corresponding to the missing parts, and the ice cream housed in the microwave shielding container body has an aluminum foil layer at the opening of the container body Because the microwave from the opening is also shielded and heating is almost completely prevented because the inner lid is sealed with the inner lid, the chocolate on the inner lid, which is heated and melted, has a curled cut. From an opening formed in Rukoto automatically subjected are container on the ice cream it has been proposed.

  Further, for example, in Patent Document 5 (Japanese Patent Laid-Open Publication No. 2010-184726), in a microwave cooking bag in which a material and a seasoning liquid are separated and stored, all of the ingredients and the seasoning liquid permeate when heated, and As a method that can fuse under the same conditions as the fusion of the outer circumference, the inner fusion part can be fused by leaving the opening at one corner of the outer circumference weft fusion part and the circumference by the fusion part of vertical and horizontal In the food packaging bag for microwave cooking, which is appropriately fused and the food material storage unit and the seasoning solution storage unit are separated by the weakly fusion bonded portion in the vertical direction, inward of the outer peripheral horizontal fusion bonded portion where the opening is present. There are one or more internal weft welds, leaving the duct width, and the food storage and seasoning storage are separated at the internal vertical weld with the peelable ribbon laminated with the stretched polyamide. The fusion spliced part is fused at the proper pressure and temperature. A portion on the food material storage portion side of the weft fusion portion overlaps the easily peelable ribbon and is in contact with the internal longitudinal fusion portion as a jet hole formation portion, and the jet hole formation portion has a length of 2 to 10 mm. A microwave cooking bag has been proposed.

  Further, for example, in Patent Document 6 (Japanese Patent Application Laid-Open No. 2012-250724), heat treatment is performed in a state where two or more contents are separately stored, whereby both can be mixed, and the obtained mixture is externally A self-supporting outer bag having a first easy-to-open seal formed to release the internal pressure raised by heat treatment as the package body that is difficult to scatter, fixed inside the outer bag, and raised by heat treatment And an inner bag provided with a second easily openable seal portion for releasing the internal pressure, wherein the inner side is formed when the contents are stored independently in both bags. The contents stored in the bag and the second easily openable seal portion are located above the upper surface of the contents stored in the outer bag, and the second easy open by heating in this state Seal part opens and both contents are mixed Becomes mixture is, the first peelable seal portion, the packaging body located above the upper surface of the mixture have been proposed.

JP 2002-240866 A

Japanese Patent Laid-Open No. 2000-007055

Japanese Patent Application Publication No. 2004-250013

JP, 2009-012802, A

JP, 2010-184726, A

JP 2012-250724 A

However, the separation means in each of the above-mentioned containers need to be removed after heating, so the process until eating is complicated, there are problems such as dirt on the hand and flying of food to the surroundings, and the separation There was a problem that the means would become garbage and be given to the livestock as a postage even though it can not be eaten originally.
Therefore, the object of the present invention is that there is no need to remove after heating, the process to eat is simple, there are no problems such as dirt on the hand and flying of food to the surroundings, less waste, eco-friendly container It is to provide a food separation sheet material.

As a result of intensive studies to solve the above problems, the present inventors have solved the above problems by configuring the above separation means with edible films, but using the edible films alone solves the problems sufficiently. As a result of finding out that it can not be obtained and conducting earnest studies, it has been found that if the separating means is constituted of an edible film having a specific layer structure, the above object can be achieved, and the present invention has been completed.
That is, the present invention provides the following inventions.
1. Food separation sheet material for separating solid food and liquid food,
Edible water-soluble thin film layer,
It is composed of an edible, poorly water-soluble and heat-meltable, hardly water-soluble thin film layer laminated on the above-mentioned easily water-soluble thin film layer,
A food separation sheet material that does not dissolve in water of the solid food or the liquid food but dissolves when heated.
2. The food separation sheet material according to 1, wherein the formation material of the easily water-soluble thin film layer is starch or gelatin.
3. The food separation sheet material according to 1 or 2, wherein the forming material of the easily water-soluble thin film layer is a mixture of gelatin and glycerin.
4. The food separation sheet material according to any one of 1 to 3, wherein the material forming the poorly water-soluble thin film layer is shellac.
5. Furthermore, the food separation sheet according to any one of 1 to 4, which has an edible edible thin film layer which is edible and has heat adhesion as the outermost layer.
A food comprising a solid food and a liquid or gel-like seasoned food separated using the food separation sheet material according to any of 6.1 to 4, wherein
A food comprising a liquid sealing body formed by sealing the liquid or gel-like seasoned food in a bag made of the food separation sheet material, embedded in the solid food or adjacent to the solid food.
7. The food according to 6 above, wherein the food is a rice ball.
8. A container for containing a staple food and a liquid or gel-like seasoned food separately,
A container body and a food separation sheet material for separating the staple food and the liquid or gel-like seasoned food;
The food separation sheet material is the food separation sheet material described in 5,
A container which is interposed between the main food and the liquid or gel-like seasoning food, and is not soluble in water in the liquid or gel-like seasoning food, but dissolves when heated.
9. The container according to 8, wherein the staple food is rice, noodles, pasta, and the liquid or gel-like seasoning food is noodle soup, sauce, curry, or vegetables.
10. The container according to 8 or 9, wherein the film thickness of the readily water-soluble thin film layer is 10 to 500 μm.
11. The container in any one of 8-10 whose film thickness of the said poorly water-soluble thin film layer is 1-50 micrometers.
12. The container in any one of 8-11 whose film thickness of the said adhesiveness edible thin film layer is 5-50 micrometers.
13. The above food separation sheet material is described in any one of 8 to 12 in which heating and melting conditions are heating for 3 minutes or more with a microwave of 550 w for liquid seasoning food and 4 minutes or more for jelly-like seasoning food Container.
14. The container according to any one of 8 to 13, wherein the poorly water-soluble thin film layer is provided on both sides of the readily water-soluble thin film layer.

  The container and the food separation sheet material of the present invention do not need to be removed after heating, and the process until eating is simple, there is no problem such as dirt on the hand or flying food around, little waste, leftovers As it is eco-friendly, there is no risk that plastic sheets will be mixed in during feeding to livestock.

FIG. 1 is a perspective view showing a container body portion in one embodiment (first embodiment) of the container of the present invention. FIG. 2 is a cross-sectional view showing the food separation sheet material in the container shown in FIG. FIG. 3 is a top view (as viewed in the direction of arrow A in FIG. 1) showing an embodiment of the food separation sheet material of the present invention. FIG. 4 is an explanatory view showing a use mode of the container shown in FIG. FIG. 5 is an explanatory view (corresponding to FIG. 4) showing another example of the container of the present invention. FIG. 6 is a perspective view showing a container body portion in another embodiment (second embodiment) of the container of the present invention. 7A to 7C are cross-sectional views showing the food separation sheet material in the container shown in FIG. 1 respectively. FIG. 8 is a longitudinal sectional view showing the inside of the container shown in FIG. FIG. 9 is a cross-sectional view taken along line IX-IX of FIG. FIG. 10 is an explanatory view (corresponding to FIG. 9) showing another example of the container of the present invention.

1: container, 10: water-soluble thin film layer, 10a: adhesive edible thin-film layer, 20: water-insoluble thin film layer, 30: staple food, 40: liquid, solid and jelly or gel seasoning liquids, 50: Container main body, 51: inner container outer ring, 52: inner container inner ring, 51a: upper position convex portion, 52b: lower position convex portion, 60: lid, 55: fitting concave portion, 100: food separation sheet material

Hereinafter, the present invention will be described in more detail.
<Overall configuration>
An example (first embodiment) of one embodiment of the container and the food separation sheet material of the present invention will be described with reference to FIGS.
The container 1 of the present embodiment is a container for storing the main food 30 and the seasoning liquid 40 in a separated state, and comprises the container main body 50 and the food separation sheet material 100 for separating the main food and the seasoning liquid. Do.
In the present embodiment, the container body 50 is cup-shaped, and is provided with the removable inner container 51 inside thereof.
The inner container 51 has an open top surface and a bottom surface, and is provided with a donut shaped convex portion 51a on the bottom surface, and the side surface portion has the same shape slightly smaller than the upper portion 1/3 lower than the upper end of the container main body 50 , And is attached to a lower portion 1/3 of the upper end inside the container main body 50.
The food separation sheet material 100 in this embodiment is formed by laminating the edible water-soluble thin film layer 10 and the edible low-water-soluble thin film layer 20. Moreover, the food separation sheet material 100 of the present embodiment is placed on the convex portion 51 a of the inner container 51 of the container main body 50. Under the food separation sheet material 100, rice serving as a staple food and a curry sauce serving as a seasoning liquid are disposed above (see FIG. 4).
The food separation sheet material 100 is, as shown in FIGS. 2 and 3, an adhesive edible thin film layer 10a for thermally adhering the food separation sheet material 100 to the inner container 51 of the container main body 50, and an edible water-soluble resin. The thin film layer 10 and the edible poorly water-soluble thin film layer 20 are laminated such that the adhesive edible thin film layer 10 a is the outermost layer. In the present embodiment, the readily water-soluble thin film layer 10 is laminated so as to be sandwiched between the adhesive edible thin film layer 10 a and the hardly water-soluble thin film layer 20.
And in the container of this embodiment, the food separation sheet material 100 is interposed between the main food and the seasoning liquid so that it does not dissolve in water in the main food 30 or the seasoning liquid 40, but dissolves when heated. ing. This point will be described later.
The shape and size of the food separation sheet material 100 of the present invention are arbitrary depending on the application, and for example, a disk shape, an oval shape, a square shape, a rectangular shape, a hexagonal shape, a bag shape, a cup shape or the like is used. be able to.
Next, each member will be described.

  The container main body 50 has a cup shape, and is provided with an inner layer container 51 for placing the food separation sheet material 100 slightly above the center in the vertical direction, and a normal range heat resistant food packaging container Similarly, various materials such as plastic materials, foaming agents, metals, woods, etc., which are generally used for food packaging containers of this type, can be used without particular limitation.

  The upper layer and the bottom of the inner layer container 51 are opened, and the inner layer container 51 is mounted slightly above the center in the vertical direction of the container main body 50, and the convex portion 51a for mounting the food separation sheet material 100 on the bottom It is provided. As a forming material to be used, various materials such as plastic materials, foaming agents, metals, woods, etc. which are usually used for food packaging containers with a resistance to heat of range of this kind can be used without particular limitation.

<Water-soluble thin film layer>
The readily water-soluble thin film layer 10 constituting the food separation sheet material 100 of the present embodiment is in the form of a sheet, and the shape and size of the readily water-soluble thin film layer 10 depend on the shape and the like of the food separation sheet material 100 described above. It is optional and not particularly limited.
The readily water-soluble thin film layer 10 is a layer formed of an edible film having high water solubility, and the water solubility is preferably 10 to 120 seconds when measured by the following measurement method, and 30 seconds. More preferably, it is 1 minute.
[Measurement of water solubility]
It can measure according to the solubility test as described in patent 5009903. Specifically, to measure the solubility in water, place a sheet to be measured on the opening of a 10 mL beaker defined in Japanese Industrial Standard (JIS Standard) R3503, and cover the above beaker opening with the sheet. After fixing with 1g, a weight of 1g specified in Japanese Industrial Standard (JIS) B7609 is placed on the central part of the sheet, and 50μl of purified water at 25 ° C is added to the sheet part recessed by the 1g weight. Was broken and the time taken for the 1 g weight to fall into the 10 mL beaker was measured.
As materials for forming the water-soluble thin film layer 10, the following materials can be used, and can be used alone or as a mixture at the time of use.
Polyvinyl pyrrolidone, polyvinyl alcohol, polyacrylic acid, carboxymethyl cellulose, starch, xanthan gum, karaya gum, methyl cellulose, hydroxypropyl cellulose (HPC), cellulose acetate phthalate (alias: cellulose acetate phthalate, CAP), carboxymethyl ethyl cellulose (CMEC), hydroxy Ethylcellulose, hydroxypropyl methylcellulose (HPMC), carboxyvinyl polymer (Carbopol, BF Goodrich Co., Ltd.), tragacanth, gum arabic, locust bean gum, guar gum, dextrin, dextran, amylose, carboxymethylcellulose potassium, carboxymethylcellulose sodium , Carboxymethylcellulose calcium, pullula Chitosan, sodium carboxymethyl starch, plantago seed coat, galactomannan, eudragit, casein, sodium alginate, alginic acid alkyl ester, gelatin, cellulose acetate, hydroxyethyl methylcellulose, water-insoluble methacrylic acid copolymer, ethyl methacrylate, trimethyl methacrylate Ammonium ethyl copolymer, dimethylaminoethyl methacrylate / methyl methacrylate copolymer, acrylic acid, methyl methacrylate copolymer, polyethylene glycol etc.
Above all, starch is particularly preferably used as a food-like common food from the viewpoint of image. The easily water-soluble thin film 10 and the adhesive edible thin film 10a described later can be formed of a single layer of gelatin or the like, but if a large amount of gelatin is used, the image of the consumer may be deteriorated. In the present embodiment, the easily water-soluble thin film 10 uses starch, and gelatin is used as an adhesive layer (adhesive edible thin film layer) to a resin of a cup.

Further, the easily water-soluble thin film layer may be formed by further adding an additive to the above-mentioned forming material.
Examples of the additive include plasticizers for imparting flexibility to the thin film layer, and specific examples thereof include glycerin, sorbitol, polyglycerin and the like, and each of them may be used alone or in combination. The above can be mixed and used. Moreover, a commercial item can also be used.
The amount of the plasticizer used is preferably 2 to 20 parts by weight with respect to 100 parts by weight of the water-soluble base, and more preferably 5 to 10 parts by weight.

In addition, other additives such as polyoxyethylene sorbitan oleate, sucrose fatty acid ester, polyglycerin fatty acid ester, soybean-derived lecithin, etc. can be added to the edible film as long as the desired effects of the present invention are not impaired. Surfactant, "Surf Hope" (trade name of sucrose fatty acid ester, manufactured by Mitsubishi Chemical Foods), "M-7D" (commercial product of polyglycerin fatty acid ester, manufactured by Mitsubishi Chemical Foods), "San lecithin A- 1) (commercially available products such as soybean-derived lecithin, manufactured by Solar Chemical Co., Ltd.), emulsifiers such as commercially available products, gelation accelerators such as potassium phosphate, malt reducing sugar syrup, sucrose, lactose, fructose or saccharin, aspartame, aspartame Sweeteners such as L-phenylalanine compounds, sucralose, thaumatin, acesulfame potassium, stevia, peppermint , Peppermint oil, cherry flavor, orange oil, fennel oil, ethylmaltol, L-menthol and other flavors, benzoic acid, sodium benzoate, benzyl benzoate, ethyl parahydroxybenzoate, butyl parahydroxybenzoate, propyl parahydroxybenzoate, etc. Antiseptics, opacifiers such as titanium oxide, coloring agents such as ferric oxide, yellow ferric oxide; various medicinal effects such as biguanite, paeoniflorin, donepezil, ibuprofen, butylscopolamine bromide, chondroitin group, isosorbate, etc. An ingredient etc. can also be used.
The film thickness of the readily water-soluble thin film layer 10 is not particularly limited, but is preferably 10 to 500 μm from the viewpoint of heat solubility, strength, image, and the like. The film thickness in the present embodiment is 30 μm.

<Water-insoluble film layer>
The poorly water-soluble thin film layer 20 constituting the food separation sheet material 100 of the present embodiment is in the form of a sheet.
In addition, the aspect in particular of lamination | stacking is not restrict | limited, It can change variously in the range which does not deviate from the meaning of this invention.
The shape and size of the poorly water-soluble thin film layer 20 are arbitrary according to the shape and the like of the food separation sheet material 100 described above, and are not particularly limited.
Although it is a layer formed by an edible film having low water solubility of the poorly water-soluble thin film layer 20, if it is too thick it becomes expensive and dissolution after heating becomes difficult, so the water solubility was measured by the above measurement method In this case, it is preferably 48 to 200 hours, and more preferably 72 to 144 hours. In addition, any edible material having little solubility in water can be used in the present invention.
By laminating such a poorly water-soluble thin film layer, the sheet can be held for a long time without being damaged even when it comes in contact with a water-containing food.
At the time of use, as shown in FIG. 2A, it is preferable that the poorly water-soluble thin film layer 20 be disposed to face the seasoning liquid 40 side. If food and seasoning liquids are also on the top of the food separation sheet and food and seasoning liquids are on the bottom (for example, raw noodles on the top and liquid soup on the bottom), use the food separation sheet with the configuration of B and C in Figure 2 Is preferred.
As a forming material of the poorly water-soluble thin film layer 20, the following forming materials can be used, and can be used alone or as a mixture at the time of use.
Shellac (shellac), pine resin (rosin), dammar or dammar (British: Dammum gum), mastic (British: Mastic), Copal (British: Copal), agate, balsam, chicle, Elemi, Cinabal, Kauri (British: Kauri gum) ), Acacia resin, milk aroma (olibanum, frankincense), myrrh (myrrh), suika (styrax), benzoic acid (benzoin), Peruvian balsam, opopanax, galvanum, rubdanum (cisto), sundalac, etc.
Among them, shellac is preferably used from the viewpoints of water resistance, heat solubility, strength, edible property, safety and the like. The forming material in the present embodiment is shellac.
In addition, a plasticizer and other additives may be added to the poorly water-soluble thin film layer 20 in the same manner as the above-described easy-to-water-soluble thin film layer 10.
The film thickness of the poorly water-soluble thin film layer 20 is not particularly limited, but is preferably 1 to 50 μm from the viewpoint of water resistance, heat solubility, strength, cost and the like. The film thickness in the present embodiment is 5 μm.

<Adhesive edible thin film layer>
Adhesive edible thin film layer 10a which constitutes food separation sheet material 100 of this embodiment is sheet-like.
The shape and size of the adhesive edible thin film layer 10a are arbitrary according to the shape and the like of the food separation sheet material 100 described above, and are not particularly limited.
The solubility of the adhesive edible thin film layer 10a in water is preferably 0.5 to 5 minutes, and more preferably 0.5 to 2 minutes, as measured by the above-mentioned measurement method.
By containing such an edible edible thin film layer 10a, the food separation sheet material 100 is in close contact with the inner surface of the container, and the seasoning liquid and the seasoning liquid are favorably contained without the seasoning liquid leaking out to the main food side. It can be separated. Therefore, in use, as shown in FIG. 3, the adhesive edible thin film layer 10 a is installed so as to be adhesively fixed when sandwiched between the container 1 and the inner container outer ring 51. Bonding and fixing can also be performed when the inner container outer ring and the inner container inner ring are sandwiched.
As a forming material of the adhesive edible thin film layer 10a, the following forming materials can be used, and can be used alone or as a mixture at the time of use.
Gelatin, polyvinyl pyrrolidone, polyvinyl alcohol, pullulan, casein sodium, soy protein etc.
Among them, gelatin is preferably used from the viewpoints of adhesiveness, edible property, safety, price and the like. The forming material in the present embodiment is gelatin.
In addition, the forming material of the adhesive edible thin film layer 10a may include a mixture obtained by mixing the above-described forming materials, and other components within the scope of the present invention.
Although the film thickness of the adhesive edible thin film layer 10a is not particularly limited, it is preferably 5 to 50 μm from the viewpoints of adhesive strength, strength, price and the like. The film thickness in the present embodiment is 20 μm.

<Dissolution>
The food separation sheet material 100 of the present embodiment is hardly soluble in water, but dissolves by heating.
The temperature for heating and melting is 60 ° C. or higher, preferably 80 ° C. to 150 ° C.
The heating and dissolution conditions are preferably heating for 3 minutes or more with a microwave of 550 w when used for separation of liquid seasoning food, and more preferably 4 minutes or more. Moreover, in the case of a gel-like seasoning food, 4 minutes or more are preferable, and it is more preferable that it is 5 minutes or more. When the main food and the seasoning liquid are actually separated and used within this range, the sheet material is dissolved by heating for 2 minutes or more and 65 minutes or less, and the main food and the seasoning liquid are also heated to an appropriate temperature. Can eat. Moreover, it can not be melt | dissolved at the time of foodstuff isolation | separation operation | work nor preservation | save that it is this range, foodstuff isolation can be performed reliably, and it can be made to melt | dissolve simply.
Heating and dissolving here means the case where the following test is conducted to confirm that the sample is dissolved.
[Solubility test at the time of heating]
The food separation sheet material is placed at the center of the table of a microwave oven (SHARP, trade name "microwave oven RE-27"), and while heating at 550 w for 6 minutes, the food separation sheet material of the inside every 5 seconds The state was observed, and the time when it was confirmed that the sheet material was dissolved in a liquid state was recorded, and this was used as the condition for heating and melting.

<Basic food>
The main food 30 to which the food separation sheet material 100 of the present invention can be used is not particularly limited, but rice such as white rice, noodles such as udon, buckwheat noodles, buckwheat noodles, spaghetti, pasta such as macaroni and lasagna are preferable. It can be mentioned.

<Seasoning liquid>
Although the seasoning liquid 40 which can use the food separation sheet material 100 of this invention is not specifically limited, A liquid or gel-like seasoned food can be mentioned. Moreover, "gel-like" means forms such as gel-like, jelly-like, gummi-like, mousse-like, purine-like and the like. Specifically, curry sauce, tomato sauce, noodle soup, various soups or the like, or Chinese bowl ingredients, beef bowl ingredients, marbo tofu, meat and potatoes and the like are preferable. The above-mentioned seasoning liquid and sauces may contain ingredients, and in FIGS. 4 and 5, those containing ingredients are exemplified.

<Other ingredients>
In addition to the layers described above, the food separation sheet material of the present invention may be provided with appropriate layers and members as appropriate. For example, a spicy layer, a pepper layer, a nori layer, a ginger layer and the like can be mentioned.

<Manufacturing method>
The food separation sheet material 100 of the present invention can be manufactured in the same manner as an ordinary laminated type edible film (for example, the method described in JP-A-2000-041591).

<Usage, use>
As shown in FIG. 4, the container 1 of the present invention can be used by storing the main food in the lower part of the portions separated by the food separation sheet material 100 and the seasoning liquid in the upper part. At this time, the adhesive edible thin film layer 10a of the food separation sheet 100 is in contact and bonded between the container 50 and the inner layer container 51, and the water-insoluble thin film layer 20 is disposed facing the seasoning liquid side. With this configuration, it is not necessary to take time and effort at all before eating, and it is possible to mix the seasoning liquid into the main food and eat it only by performing the heat treatment for a predetermined time in the microwave when eating. Alternatively, the cup may be divided into 2: 2, and the food separation sheet material may be placed directly on the staple food.
Moreover, the container 1 of this invention can also be used in an aspect as shown in FIG. That is, a seasoning package 70 in which various seasonings as the seasoning liquid are packaged with the food separation sheet material 100 of the present invention is placed on the lid of the container 1, and the seasoning is added to the seasoning liquid when eating and drinking as needed. It is also possible to put in a package to enable preparation of taste.
As described above, the use form of the food separation sheet material 100 of the present invention is not particularly limited as long as the main food 30 and the seasoning liquid 40 are separated, and is optional according to the application. It can be formed to store seasoning liquid, flavor and food inside.

Next, another embodiment (second embodiment) of the present invention will be described with reference to FIGS. In the following description, differences from the first embodiment described above will be mainly described. The above description is appropriately applied to points that are not particularly described.
<Overall configuration>
In the present embodiment, as shown in FIG. 6, the container body 50 is cup-shaped, and as shown in FIG.
The inner containers 51 and 52 each have a ring shape having a thickness, and circular openings are formed on the top and bottom surfaces. The thickness of the inner container 51 is set larger than that of the inner container 52. The inner containers 51 and 52 are attached to the container by sandwiching the peripheral portion of the food separation sheet material 100 with each other.
Further, in the inside of the container 1, ring shaped or protruding convex portions 51 a and 51 b are provided on the upper and lower portions of the container 1 so that the inner containers 51 and 52 can be fitted. The convex portions 51a and 51b are provided at the inner side of the container at a pair of eight positions, and the shape of the side surface portion is the same shape as the portion in the container 1 and smaller. The inner containers 51 and 52 which are attached to the part and sandwich the food separation sheet material 100 are held so as not to move up and down.
The food separation sheet material 100 in the present embodiment is formed by laminating the edible water-soluble thin film layer 10 and the edible low-water-soluble thin film layer 20, and the present invention is not limited to the present embodiment and the embodiment described above. Although the configuration is also applicable, as shown in FIG. 7, a configuration in which the water-soluble thin film layer 10 and the water-insoluble thin film layer 20 are laminated one by one (FIG. 7A); A configuration in which one poorly water-soluble thin film layer 20 is laminated on each side (FIG. 7B), one poorly water-soluble thin film layer 20 is laminated on both sides of the readily water-soluble thin film layer 10 It can be set as the structure (FIG. 7C) formed by laminating | stacking the edible thin film layer 10a.
Further, in the food separation sheet material 100 of the present embodiment, the inner containers 51 and 52 of the container main body 50 sandwich the food separation sheet and are placed and fixed between the upper and lower convex portions 51a and 51b. Under the food separation sheet material 100, rice 30 serving as a staple food and a curry sauce 40 serving as a seasoning liquid are disposed above (see FIG. 9).
The food separation sheet material 100 sandwiched between the inner containers 51 and 52 is fixed between the convex portions 51a and 52b to fix the up and down movement. Or when forming a container, the recessed part 55 (refer FIG. 8) can be formed in a container, and 51 and 52 can be engage | inserted in a recessed part.
As shown in FIGS. 8 and 9, the food separation sheet material 100 is sandwiched and fixed to the inner containers 51 and 52 of the container main body 50. Adhesive edible thin film layer 10a for heat-adhering food separation sheet material 100, edible water-soluble thin film layer 10, and edible low water-soluble thin film layer 20, adhesive edible thin film layer 10a It laminates so that it may become the outermost layer. It is clamped between 51 and 52, and 51 and 52 are fitted between 51a and 51b so as not to move up and down. In the present embodiment, a laminate obtained by sandwiching the easily water-soluble thin film layer 10 between the adhesive edible thin film layer 10 a and the hardly water-soluble thin film layer 20, 20 stacked on 10, and 10 a stacked on 20 Need two types of food separation sheet material.
And in the container of this embodiment, the food separation sheet material 100 is interposed between the main food and the seasoning liquid so that it does not dissolve in water in the main food 30 or the seasoning liquid 40, but dissolves when heated. ing. This point will be described later.

  The container main body 50 is in the form of a cup, and the inner layer containers 51 and 52 for mounting the food separation sheet material 100 are provided at the center in the vertical direction, or 55 concave portions are formed. Form a fitting. Others can be configured in the same manner as ordinary range-heat resistant food packaging containers, and various materials such as plastic materials, foaming agents, papers, wood, etc. that are usually used for food packaging containers of this type can be used. Can be used without particular limitation.

  The inner layer containers 51 and 52 are open at the top and bottom, and mounted around the upper and lower centers of the container main body 50, and fixed 51 and 52 on which the food separation sheet material 100 is placed on the upper and lower portions. The projections 51a and 52b are provided. As a forming material to be used, various materials such as plastic materials, foaming agents, papers, woods, etc. which are usually used for food packaging containers with this kind of heat resistance can be used without particular limitation.

The present invention is not limited to the embodiment described above, and various modifications can be made without departing from the spirit of the present invention.
For example, in the present specification, a sheet material refers to one configured by a sheet-like member, and the shape is not limited to the sheet-like one.
Although the above-described embodiment is configured to adhere the food separation sheet material 100 of the present invention to the inner layer container 51 of the container main body 50, the present invention is not particularly limited thereto, for example, providing a recess in the container main body Alternatively, the inner container outer ring 51 and inner container inner ring 52 may be inserted into the recess and fixed directly to the container main body, or may be fixed between the upper and lower projections 51a and 52b to install the food separation sheet material. .
In addition, the use method and heating method of the container and the food separation sheet material of the present invention are not particularly limited. For example, a container (trade name: NARUHOT (registration) which heats the food separation sheet material of the present invention by mixing slaked lime and water. It is also possible to use a food separation sheet material in a container having a heat generation function such as a trademark (trade name) or Sojitz Planet Co., Ltd.).
In addition, the above-mentioned adhesive edible thin film layer may constitute at least a part of the outermost layer, for example, it may be partially provided at the bottom of the above-mentioned food separation sheet material, or only the adhesive edible thin film layer may be water After being manufactured in a tape shape separately from the easily soluble thin film layer or the hardly water soluble thin film layer and adhered to the container main body, the thin film layer may be laminated with the readily water soluble thin film layer or the hardly water soluble thin film layer.
Moreover, the arrangement | positioning position of a food separation sheet material is not restrict | limited to the above-mentioned example, It is also possible to arrange | position in the uppermost part of a container, and arrange | positioning in the lowermost part.

Hereinafter, the present invention will be described more specifically by showing Examples and Comparative Examples, but the present invention is not limited thereto.
[Examples 1 to 6] Water resistance and heat resistance test of food separation sheet material (production of food separation sheet material)
The materials shown in Table 1 are used as the materials for forming the poorly water-soluble thin film layer at the coating amounts shown in Table 1 to form the poorly water-soluble thin film layer, and the materials shown in Table 1 as the materials for forming the readily water-soluble thin film are shown in Table 1 The water-soluble thin film layer is formed by coating so as to have the indicated film thickness, and gelatin is used as the adhesive edible thin film layer, and the water-insoluble thin film layer, the water-soluble thin film layer, and the adhesive edible thin film are used. The food separation sheet material of the present invention, which is composed of three layers with layers, was produced.
In addition, at the time of manufacture, oleic acid etc. is added as a plasticizer to each layer as needed, respectively, the mixture for coating is obtained, and the obtained mixture is used for a substrate sheet (polyester terephthalate film) using a coater. It was coated on the top, dried and peeled off to obtain a food separation sheet.
Using the obtained six types of food separation sheets, six types of containers containing rice as a staple food and a curry sauce as a seasoning liquid shown in FIG. 9 were prepared.

(Water resistance test)
The water resistance test was performed as follows.
The food separation sheet material (100 × 100 mm) of the present invention is placed on a 200 ml glass bottle with the poorly water-soluble thin film layer on top, and 3 g of water is placed on the food separation sheet material and the water is placed for 72 hours. The form of the food separation sheet material after the lapse was observed. In addition, the durability test was done 3 times with respect to the food separation sheet material of Examples 1-6.
As a result, no breakage was observed in all the food separation sheet materials of Examples 1 to 6.

その結果、実施例１〜６のすべての食品分離シート材は４０秒以内に破損した。
作成した容器はいずれも調味液を収容した状態で７日間２０℃の状態に放置しても、食品分離シート材が破損することもなく、良好に主食類と調味液とを分離することができた。
そして、実際の主食類と調味液とを本発明の食品分離シート材で分離した製品は、電子レンジにて５５０ｗで３分間加熱することにより食品分離シート材を溶解させて調味液を主食類の上に投入した状態で適温にて食することができた。
(Heat resistance test)
The heat resistance test was performed as follows.
The food separation sheet material (100 × 100 mm) of the present invention is placed on a 200 ml glass bottle with the poorly water-soluble thin film layer on top, and 3 g of water is further placed on the food separation sheet material, and in this state a microwave (550 W) It heat-processed by and observed the form of the foodstuff isolation | separation sheet material.
The observation of the form was performed every 5 seconds. Also, the time until the food separation sheet material was broken and the water dripped into a 200 ml glass bottle was measured. The results are shown in Table 2. The durability test was performed three times on the food separation sheet materials of Examples 1 to 6, and the number of seconds until breakage was measured. The results are shown in Table 2.

As a result, all the food separation sheet materials of Examples 1 to 6 were damaged within 40 seconds.
Even if the prepared containers are left in the state of 20 ° C. for 7 days in the state of containing the seasoning liquid, the food separation sheet material is not damaged, and the main food and the seasoning liquid can be favorably separated. The
And the product which separated the actual staple food and the seasoning liquid with the food separation sheet material of the present invention dissolves the food separation sheet material by heating for 3 minutes with 550 w in the microwave, and the seasoning liquid is the main food It was possible to eat at an appropriate temperature while being placed above.

Claims (14)

Food separation sheet material for separating solid food and liquid food,
Edible water-soluble thin film layer,
It is composed of an edible, poorly water-soluble and heat-meltable, hardly water-soluble thin film layer laminated on the above-mentioned easily water-soluble thin film layer,
The easily water-soluble thin film layer contains a forming material and a plasticizer, and the blending ratio of the forming material to the plasticizer is 5 to 10 parts by weight of the plasticizer based on 100 parts by weight of the forming material. Yes,
A food separation sheet material that does not dissolve in water of the solid food or the liquid food but dissolves when heated.   The food separating sheet material according to claim 1, wherein the forming material of the easily water-soluble thin film layer is starch or gelatin.   The food separating sheet material according to claim 1 or 2, wherein the forming material of the easily water-soluble thin film layer is a mixture of gelatin and glycerin.   The food separation sheet material according to any one of claims 1 to 3, wherein the forming material of the poorly water-soluble thin film layer is shellac.   Furthermore, the food separation sheet according to any one of claims 1 to 4, which has an edible edible thin film layer which is edible and has heat adhesion as the outermost layer. It is a food formed by separating solid food and liquid and jelly and gel-like seasoned food using the food separation sheet material according to any one of claims 1 to 4,
A food comprising the liquid sealed body obtained by sealing the liquid and jelly or gel-like seasoned food in a bag made of the food separation sheet material, embedded in the solid food or adjacent to the solid food .   The food according to claim 6, wherein the food is rice ball. A container for containing a staple food and liquid and jelly or gel-like seasoned food separately,
A container body and a food separation sheet material for separating the above-mentioned staple food and liquid and jelly food or gel-like seasoned food,
The food separation sheet material is the food separation sheet material according to claim 5;
A container, which is interposed between the basic food and the liquid and jelly or gel-like seasoned food, does not dissolve in water in the liquid and jelly or gel-like seasoned food, but dissolves when heated. The container according to claim 8, wherein the staple food is rice, noodles, pasta, and the liquid and jelly or gel-like seasoning food is noodle soup, sauces, curry, and vegetables. 10. The container according to claim 8, wherein the film thickness of the readily water-soluble thin film layer is 10 to 500 [mu] m. The film thickness of the said poorly water-soluble thin film layer is 1-50 micrometers, The container in any one of Claims 8-10. The film thickness of the said adhesive edible thin film layer is 5-50 micrometers, The container in any one of Claims 8-11. The food separation sheet material according to any one of claims 8 to 12, wherein the heating and melting conditions are heating for 3 minutes or more with a microwave of 550 w for liquid seasoning food, and 4 minutes or more for gel- like seasoning food. The container described in. The container according to any one of claims 8 to 13, wherein the poorly water-soluble thin film layer is provided on both sides of the readily water-soluble thin film layer.

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