JPH07257626A - Package with lid - Google Patents

Abstract

PURPOSE:To enjoy a beautiful change in colors while visually confirming a heated temperature of food and soup put in a package at the time of heating by putting a metallic foil lid with thermal transition ink applied on a surface over the package. CONSTITUTION:A package with lid 7 with food cooked in a kitchen in advance and liquid such as soup, 'crab pot dish' for example put into a container 5, a lid 1 is put over, and a stage 6 of the package with lid 7 is put on a support 8' of a portable stove 8. By making a fire on portable fuel 9 put in the stove 8 for heating, the 'crab pot dish' put in the container 5 is heated, and when the lid 1 reaches a predetermined temperature, approximately 90 deg. for example, thermaly discoloring ink applied to the entire lid 1 changes its color so that the lid 1 changes in color from green to blue. This change in color allows a user to know that the 'crab pot dish' has been heated to approximateiy 90 deg. or higher and also to eat the 'crab pot dish' while visually enjoying the transition in color.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lidded container in which a metal foil lid coated with thermochromic ink is placed on a container such as a pot.

[0002]

2. Description of the Related Art As a conventional lidded container, a lidded container in which a lid such as a wooden lid, a metal lid or a paper lid is covered with a lid such as a pot is very commonly used.

[0003]

In this conventional container with a lid, when a hot food is eaten while heating the food in the container with a portable stove placed on a table such as a restaurant or an inn, a wooden lid or the like is used. The surface of the lid does not change to a beautiful color, for example, even if there is a beautiful colored pattern on the lid, the colored pattern of the lid does not change colorally due to the heating temperature, so the person eating does not open the lid, There is a problem that the heating temperature cannot be confirmed and a beautiful color change cannot be enjoyed by the eyes.

The present invention solves these problems of the conventional container with a lid, visually confirms the heating temperature of food and juice put in the container at the time of heating, and enjoys a beautiful color change visually. It is intended for such things.

[0005]

The container with a lid of the present invention comprises:
The container is covered with a metal foil lid in which the thermochromic ink is applied to the front side of the metal foil lid.

[0006]

According to the present invention, the lidded container is a lidded container containing food and liquid prepared in advance by covering the lid with a metal foil in which thermochromic ink is applied to the front side of the lid. When heated with, the metal foil lid is gradually heated, and the surface of the metal foil lid is discolored by heat. For example, about 60 ° C
When a thermochromic ink that changes from a pinkish color to a yellowish color is applied to the front side of the metal foil lid, the pinkish color changes to a yellowish color. It is confirmed by visual observation that this discoloration has caused the food and liquid contained in the container to be heated to about 60 ° C or higher to reach an appropriate temperature for eating, and that the color of pinkish to yellowish You can enjoy the change visually as it changes color. When using a reversible color-changing ink and removing the metal foil lid from the container and cooling it to room temperature, it changes color from yellowish to pinkish again. You can enjoy the color change with, and by providing a protruding gripping piece on the top of the metal foil lid, the heated hot metal foil lid can be easily removed from the container by gripping the gripping piece with your fingers. Furthermore, it prevents food from being kept warm, cold, or dried in the container, and prevents foreign matter such as dust from entering the food in the container from the top.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings showing embodiments of a container with a lid. (Embodiment 1) As shown in FIGS. 1 to 4, a lid 1 made of an aluminum alloy foil has a thermochromic type thermochromic ink 3 applied on the entire surface of a conical aluminum alloy foil 2. In addition, the lid 1 made of an aluminum alloy foil is provided with a gripping piece 4 protruding above the conical lid 1. The aluminum alloy foil container 5 is an aluminum alloy foil container 5 in which a step 6 is provided in the horizontal direction on the peripheral wall of the container.
A container 7 with a lid is formed by covering the aluminum alloy foil container 5 with the aluminum alloy foil lid 1.

The lidded container 7 of the first embodiment has a container 5 in which liquids such as food and juice, which are pre-cooked in the kitchen, are put, for example, "crab pot", and the protruding portion of the flat lid 1 shown in FIG. 1'is inserted into the notch 1'and covered with the lid 1, and the stepped portion 6 of the lidded container 7 is placed on the support 8'of the portable stove 8 as shown in FIG. 6 on a dining table such as a restaurant. . By heating and heating the portable fuel 9 contained in the portable stove 8, the “crab pot” contained in the container 5 is heated to cover the lid 1.
When the temperature reaches a predetermined temperature, for example, about 90 ° C., the thermochromic ink 3 applied to the entire surface of the lid 1 changes color and the lid 1 changes from green to blue. It can be visually confirmed that the "crab pot" has been heated to about 90 ° C or more due to this color change, and the cooked "crab pot" can be eaten while enjoying the visual color change. Although the thermochromic ink 3 has been described as the thermochromic ink in the first embodiment,
Instead of the thermochromic type, a thermochromic type or a heat-erasable type may be applied, and if a reversible type of these thermochromic inks is used for heating. It may be one that changes from green to blue and then changes from blue to green again when it cools. Further, the container 5 may be an ordinary container instead of the one made of aluminum alloy foil.

(Embodiment 2) As shown in FIGS. 7 and 8, the pure aluminum foil lid 11 has a cone-shaped pure aluminum foil 12 on the front side of which a thermochromic type thermochromic ink 13 is in the shape of leaves. The thermochromic ink 14 of the thermochromic type is applied to portions other than the leaf-shaped pattern, which are applied at predetermined intervals as the image. Further, the aluminum alloy foil lid 11 is provided with a gripping piece 15 protruding above the conical lid 1. The pure aluminum foil container 16 has a peripheral wall 17 inclined outward. A container 18 with a lid is formed by covering the container 16 made of pure aluminum foil with the lid 11 made of pure aluminum foil.

In the container 18 with a lid according to the second embodiment, as shown in FIG. 9, the container 16 is inserted from above the portable stove 19 into a portable stove 19 provided with a support rod 19 'on the upper portion thereof, and then the container 16 is inserted. First, put food and soup prepared in advance in the kitchen, for example, "boiled food and soup" and cover 11. Mobile fuel 2 at the bottom of the portable stove 19 at a table such as a hotel
When "0" is heated and heated, the "boiled food and broth" contained in the container 18 is heated, and when the lid 11 reaches a predetermined temperature, for example, about 60 ° C, it is applied as a pattern to the lid 11. The heat-coloring ink 13 develops the color of the leaf-shaped pattern on the lid 11 to red, and the parts other than the pattern change from green to blue. This change in color makes it possible to visually confirm that "boiled food and boiled soup" has been heated to about 60 ° C or higher, and the "boiled food and boiled soup" that has been heated while enjoying the two types of color changes that are visually different Can be eaten. It should be noted that, instead of the design of the second embodiment, characters such as a trademark name, a store name, a company name, or the design and the characters may be written in parallel.

(Embodiment 3) As shown in FIGS. 10 to 13, the lid 21 made of aluminum alloy foil has a plate-shaped aluminum alloy foil 22 on which the colored flower pattern and characters are printed with ordinary ink 23. Then, a thermobleaching type thermochromic ink 24 is applied on the entire surface. The aluminum alloy foil lid 21 is provided with a gripping piece 25 projecting above the center of the plate-shaped lid 21. The aluminum alloy foil container 26 has a thermochromic type thermochromic ink 27 inside the container.
Is applied in a floral pattern, and a horizontal support portion 28 is provided on the peripheral wall of the container. A container 29 with a lid is formed by covering the aluminum alloy foil container 26 with the aluminum alloy foil lid 21.

The container 29 with a lid of the third embodiment is the same as the container 2
6. Food and water pre-cooked in the kitchen, eg "Motsu-nabe"
Then, the lid 21 is put in, and the supporting portion 28 of the container 29 with the lid is placed on the supporting portion of the portable cooking stove on the dining table such as an inn in the same manner as in the first embodiment. When the portable fuel in the portable stove is ignited and heated, the "motsu-nabe" contained in the container 26 is heated, and when the lid 21 reaches a predetermined temperature, for example, about 60 ° C, the entire surface of the lid 21 is heated. The heat-decoloring type thermochromic ink 24 applied to the ink disappears, and the colored flower pattern and characters printed with the ordinary ink 23 on the lid 21 appear as if they were raised. This change in color and the appearance of the floral pattern confirmed that "Motsu-nabe" was heated above 60 ° C, and "Motsu-nabe" was heated while enjoying the visual color change. Can be eaten. Although the thermochromic ink 27 is applied to the inside of the container 26 in the third embodiment, the thermochromic ink may be applied to the outside or inside and outside of the container.

(Embodiment 4) As shown in FIG. 14, a cover 31 made of an aluminum alloy foil has a first layer of a thermobleaching type thermochromic ink 32 of a first layer applied in a branch shape,
On the thermochromic ink 32 of the first layer, the thermochromic ink 33 of the thermochromic type of the second layer is applied. Further, the thermochromic ink 34 of the thermochromic type is applied to the lid 31 by being connected to the portion where the thermochromic ink 32 of the first layer is applied in a leaf shape. This is an aluminum alloy foil lid 31 provided with a gripping piece (not shown) protruding above the center of the lid 31. A container with a lid formed by covering the lid 31 made of aluminum alloy foil on the container.

In the container with the lid of the fourth embodiment, when the food and water are put into the container and the lid 31 is heated to reach a predetermined temperature as in the first embodiment, the second layer is used until now. Is colorless and the first layer is green, so the green branch shape is second
The layer develops brown color and the first layer disappears and becomes colorless, so that the green branch shape changes to brown. Further, the thermochromic-type thermochromic ink 34 applied in the form of leaves changes color from green to red (autumn color). In this way, the color of the branches changes from green to brown and the shape of the leaves changes from green to red, which changes the color of the spring from green to the color of autumn of the leaves, thus heating the “food” to a certain temperature or higher. You can enjoy the heated "food" while enjoying the two types of color changes that are visually different and the colors are visually different. In addition, instead of the branch shape and the leaf shape of the fourth embodiment, various patterns, characters such as trademark names, store names, company names, or patterns and characters may be written in parallel.

[0015]

EFFECTS OF THE INVENTION The container with a lid of the present invention has a metal foil lid on which the thermochromic ink is applied on the front side of the lid, so that the container is kept warm when preheated food is put in the container. In addition to being able to keep it cool when pre-cooled food is put, it is possible to prevent the food put in the container from drying and foreign matter such as dust is on the top surface of the food put in the container It can be prevented from entering from the. And the thermochromic ink applied to the front side of the lid will change color when heated to a predetermined temperature, so it is possible to visually confirm that the food has reached a predetermined appropriate temperature and enjoy the color change visually. be able to. Further, the metal foil lid after use can be made small and disposable.

In the container with the lid of the second aspect, since the lid has a conical shape, the appearance of the lid itself is good, and the viewer can easily see the color change of the lid.

In the container with a lid according to claim 3, since the lid itself is a metal foil having good thermal conductivity, it is heated at the time of use, so that there is an effect that it is easy to grab a gripping piece of the lid and grab a hot lid. .

In the container with a lid of claim 10, since the thermochromic ink applied to the lid is protected by the synthetic resin coat, there is an effect that the thermochromic ink of the lid is not damaged during transportation of the lid. .

In the container with a lid according to claim 11, since the lid and the container are made of metal foil after use, the lid and the container can be made small and disposable after use.

In the container with a lid according to claim 12, it can be seen visually that the container in the portion exposed from the lid changes color, and while the lid is removed, the peripheral wall of the container is gradually changed while eating. You can enjoy visually seeing the color change of the bottom wall.

In the container with a lid according to the thirteenth aspect, it is possible to visually enjoy the color change on the outside of the container.

[Brief description of drawings]

FIG. 1 is a front view of a first embodiment of a product of the present invention.

FIG. 2 is likewise a front view of the lid.

FIG. 3 is likewise an enlarged sectional view of the lid.

FIG. 4 is a front view of the same container.

FIG. 5 is a plan view of the lid before assembling.

FIG. 6 is a sectional view of the same during heating.

FIG. 7 is a front view of a second embodiment of the product of the present invention.

FIG. 8 is a front view of the same lid.

FIG. 9 is a sectional view of the same when heating.

FIG. 10 is a sectional view of a third embodiment of the product of the present invention.

FIG. 11 is likewise a front view of the lid.

FIG. 12 is likewise a plan view of the lid.

FIG. 13 is likewise an enlarged sectional view of the lid.

FIG. 14 is an enlarged sectional view of a lid of a fourth embodiment of the present invention product.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Aluminum alloy foil lid 2 Aluminum alloy foil 3 Thermochromic ink 4 Grasping piece 5 Aluminum alloy foil container 6 Step 7 Container with lid 8 Portable stove 9 Portable fuel 11 Pure aluminum foil lid 12 Pure aluminum foil 13 Thermochromic ink 14 Thermochromic ink 15 Grasp piece 16 Pure aluminum foil container 17 Peripheral wall 18 Container with lid 19 Portable stove 20 Portable fuel 21 Aluminum alloy foil lid 22 Aluminum alloy foil 23 Ordinary ink 24 Thermochromic ink 25 Grasp piece 26 Aluminum alloy foil Container 27 Thermochromic ink 28 Support 29 Container with lid 31 Aluminum alloy foil lid 32 Thermochromic ink for the first layer 33 Thermochromic ink for the second layer 34 Thermochromic ink

Claims (13)

[Claims] 1. A container with a lid, characterized in that the container is covered with a metal foil lid having a thermochromic ink applied to the front side of the metal foil lid. 2. The lidded container according to claim 1, wherein the metal foil lid has a conical shape. 3. The container with a lid according to claim 1, wherein a protruding piece is provided on an upper portion of the metal foil lid. 4. The lidded container according to claim 1, wherein the thermochromic ink is applied to the entire front surface of the metal foil lid. 5. The thermochromic ink is applied on the front side of the metal foil lid as a pattern or a character.
The described container with a lid. 6. The container with a lid according to claim 1, wherein the thermochromic ink is a thermochromic type. 7. The container with a lid according to claim 1, wherein the thermochromic ink is a thermochromic type. 8. The container with a lid according to claim 1, wherein the thermochromic ink is a heat-erasable type. 9. A container with a lid according to claim 1, wherein a plurality of thermochromic inks, thermochromic inks, and heat erasable inks are laminated and applied. 10. The container with lid according to claim 1, wherein the front side of the lid made of metal foil is further coated with a synthetic resin. 11. The container is a metal foil container in which a horizontal step is provided on a peripheral wall of the container.
The described container with a lid. 12. The container with a lid according to claim 1, wherein the thermochromic ink is applied to the inside of the container. 13. The container with a lid according to claim 1, wherein the thermochromic ink is applied to the outside of the container.