JPH09453A - Throw-away steamer and simple food heater - Google Patents

Abstract

PURPOSE: To make it possible to easily and adequately steam food by forming a throw-away steamer to a box shape having an opening on its face and forming at least its bottom wall of a sheet having moisture vapor permeability and water shieldability in combination. CONSTITUTION: This throw-away steamer 1 consists of the bottom wall and side walls 2 and is formed to the box shape having the opening at its front surface. The side walls 2 are made of, for example, polypropylene, polystyrene or bamboo and is formed with ribs 3 of a required width having some thickness at its bottom end. The bottom wall is formed of the water-tight sheet 4 formed by welding or adhering its end to the ribs 3. This water-tight sheet 4 is formed by subjecting a heat resistant non-woven fabric consisting essentially of, for example, aramide fibers to water repellent finishing with a water repelling agent. The sheet has the moisture vapor permeability and water shieldability in combination and is so formed as to allow the transmission of steam and to suppress the permeation of liquid. Water repelling agents formed by using fluororesins and silicone reins are used for the water repelling agent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable steamer capable of suitably steaming food and a simple food heater provided with the disposable steamer for heating food with heated steam.

[0002]

2. Description of the Related Art Conventionally, steam baskets have been used when steaming food at home. Further, when heating food, a heat source powered by electricity, gas or the like was generally required.

[0003]

However, in the case of steaming food using a steaming basket, it is often practiced to spread a cloth on a bamboo cage laid at the bottom and steam it. Was troublesome because foods and the like adhered to the cloth and it was necessary to wash the cloth after use. In addition, recently, there are few households equipped with steam baskets, and it has become difficult to suitably steam food.

In addition, various foods can be easily prepared without using a cassette gas cylinder or causing a fire when a power outage, gas delivery is stopped, or when camping is conducted in a place where electricity or gas is not connected. What can be heated to is desired. On the other hand, in recent years, a steam heating device that generates steam by heat generation due to an exothermic reaction caused by contact between an exothermic agent such as quick lime and water has been used to heat food, but any food by this steam heating device is used. None were configured to be able to heat.

The present invention solves the above problems, and an object of the present invention is to provide a disposable steamer which can easily and suitably steam food.

Another object of the present invention is to provide a simple food heater which is equipped with the above steamer and which can suitably heat any food.

[0007]

In order to achieve the above object, the present invention has a box shape having an opening on the upper surface, and at least the bottom wall is formed of a sheet having both moisture permeability and water impermeability. Item 1).

Further, the above-mentioned sheet is made of a non-woven fabric which is water repellent with a water repellent (claim 2).

Further, the water repellent is mainly composed of a fluororesin (claim 3).

The water repellent is mainly composed of silicone resin (claim 4).

Further, a steam heating device is housed in the bottom of a box having a lid capable of sealing the inside, and the disposable steamer according to claim 1 is mounted thereon, and the steam heating device is provided from the outside of the box. The heating means for starting the heat generation is provided, and the heating steam generated by the steam heating device is filled in the box to heat the food contained in the disposable steamer (claim 5).

The box body has a box-like shape having an opening on the upper surface, and a lid-fitting groove having a U-shaped cross section, which is open upward and is formed of an inner wall surface, a bottom surface and an outer wall surface, is formed around the opening end. And a lid around which a locking portion having a cross-sectional shape corresponding to the lid fitting groove of the case body is formed, the locking portion of the lid being inside the lid fitting groove of the case body. When fitted, the case body is closed by the lid (claim 6).

[0013]

According to the first aspect of the present invention, the bottom wall is made of a sheet having both moisture permeability and water impermeability, so that heated steam is supplied from below in a state where food is contained in the box. And, the heated steam permeates the bottom wall and rises, whereby the heated steam is sufficiently supplied to the food in the box, evenly spreads throughout the food, and is suitably steamed, and the juice of the food in the box Since the components do not leak, a disposable steamer suitable for foods with high water content can be obtained.

According to the second aspect of the present invention, the sheet having both moisture permeability and water impermeability is made of a non-woven fabric that is water repellent with a water repellent agent. According to the third aspect of the invention, the water repellent agent is used. Is mainly composed of a fluororesin, and according to the invention of claim 4, the water repellent is mainly composed of a silicone resin, and each has the same action as that of the invention of claim 1, and in particular, a water repellent. By using a fluorine resin or silicone resin as a main component, a disposable steamer that is safe in terms of food hygiene can be obtained.

Further, according to the invention of claim 5, by using a disposable steamer whose bottom wall is made of a sheet having both moisture permeability and water impermeability, the heated steam generated by the steam heating device is used as a disposable steamer. Rises through the bottom wall of the disposable steamer, so that the heated steam is sufficiently supplied to the food in the disposable steamer, spreads evenly throughout the food, is suitably heated, and the juice component of the food leaks from the disposable steamer. Therefore, a simple food heater suitable for heating foods with high water content such as oden and porridge can be obtained.

According to the sixth aspect of the present invention, the lid fitting groove having a U-shaped cross-section that opens upward and is formed around the opening end of the case body corresponds to the lid fitting groove. Since the case main body is closed by the locking portion of the lid having a cross-sectional shape and the case body is closed by the lid, the passage of the heated steam that escapes from the inside of the box to the outside of the box is formed on the inner wall surface of the lid fitting groove. Since it is formed so as to go down along the outer wall surface and then rise horizontally along the outer wall, leakage of heated steam having the property of rising from inside the box to outside the box is suppressed, Fills the box and the food is heated efficiently.
Even if a part of the heated steam filled in the box leaks out, the heated steam rises along the outer wall surface of the lid fitting groove and goes out of the box. No damage such as discoloration of the surface of the table on which the table is placed due to heat will occur.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram showing an embodiment of a disposable steamer according to the present invention. (A) is a perspective view, (b) is B- of (a).
It is B sectional drawing.

The disposable steamer 1 comprises a bottom wall and a side wall 2, and is formed in a box shape having an opening on the upper surface. The side wall 2 is made of polypropylene, polystyrene, or bamboo, for example, and has a rib 3 of a required width having a certain thickness at the lower end.

The bottom wall of the disposable steamer 1 is formed of a watertight sheet 4 having an end portion welded or bonded to the rib 3. The watertight sheet 4 is made of, for example, a heat-resistant non-woven fabric containing aramid fibers as a main component, which is water repellent with a water repellent agent, has both moisture permeability and water impermeability, and is permeable to water vapor and liquid. It suppresses. The non-woven fabric is not limited to a heat-resistant non-woven fabric containing aramid fiber as a main component, and may be a non-woven fabric made of other fibers.

Water-repellent treatment of a non-woven fabric with a water-repellent agent is carried out by dipping each fiber in the liquid of the water-repellent agent to form a non-woven fabric or by coating the non-woven fabric with the water-repellent liquid. It is carried out by using a dip coating method of dipping and coating. Further, the water repellent may be applied to the surface of the nonwoven fabric or sprayed.

Further, the watertight sheet 4 may be made of a paper such as glassine paper, which is coated with a water repellent such as water repellent.

The water repellent agent is, for example, a fluororesin, a fluororesin containing a fluororesin as a main component and an additive such as propylene glycol, etc., a silicone resin, a silicone resin as a main component, and other additives. And a silicone oil. The water repellent agent is not limited to these, and may be any agent that imparts moisture permeability and water impermeability to non-woven fabric or paper by performing water repellent treatment such as coating.

With the above construction, when food is put in the disposable steamer 1 and heated steam is supplied from the lower side, the steam rises to heat the food in the disposable steamer 1. At that time, since the bottom wall of the disposable steamer 1 is formed of the watertight sheet 4 having both moisture permeability and water impermeability, water vapor rises from the entire bottom wall, and the water vapor spreads evenly over the entire food, Leakage of liquid juice components from the bottom wall of the disposable steamer 1 is suppressed. After heating, the disposable steamer 1 can be eaten as it is.

As described above, since the bottom wall of the disposable steamer 1 is formed of the watertight sheet 4 having both moisture permeability and water blocking property, food can be suitably steamed and liquid ingredients such as cooked rice can be used as food. It is possible to use not only foods that do not contain much but also foods that contain some liquid ingredients such as curry, hayashi rice and spaghetti meat sauce, and foods that contain a large amount of liquid ingredients such as beef bowl and oden. Therefore, various foods can be easily steamed.

As shown in FIG. 2, three or four legs 5 may be arranged at appropriate places on the bottom wall of the disposable steamer 1. The leg 5 is made of polypropylene, polystyrene, or bamboo, for example, and has a strength enough to support the disposable steamer 1 containing food. As a result, for example, a disposable steamer 1 in which food is placed in a pot drained from water
The food in the disposable steamer 1 can be suitably steamed by heating the pan to generate steam in the state where the food is directly placed.

3A and 3B are views showing an embodiment of the simple food heater according to the present invention, wherein FIG. 3A is an internal structural view and FIG. 3B is an external view. FIG. 4 is a view showing the case body of the box of the embodiment,
(A) is a top view, (b) is a BB sectional view of (a). 5A and 5B are views showing the lid of the box of the embodiment, FIG. 5A is a plan view, and FIG. 5B is a sectional view taken along line BB of FIG. FIG.
The same symbols are attached to the same items.

In this simple food heater, the steam heating device 20 is placed on the bottom of the box 10, and the disposable steamer 1 is placed on it.

The box 10 includes a case body 11 and a lid 1 made of synthetic resin such as polypropylene or polystyrene, respectively.
And 2.

The case body 11 includes a side wall 111 and a bottom wall 1.
12 and is formed in a box shape having an opening on the upper surface. At the upper end of the side wall 111, a flat portion 113 having a required width is formed by being horizontally bent outward, and a groove portion 114 having a U-shaped cross section that opens upward is formed on the outer side of the flat portion 113. ing. The groove 114 is the flat portion 1
13 includes an inner wall surface 114a extending downward, a bottom surface 114c having a required width, and an outer wall surface 114b extending slightly above the inner wall surface 114a.

On the upper portions of the four corners of the outer wall surface 114b of the groove 114, there are formed projections 115 projecting slightly inward over a required size. In addition, the outer wall surface 114 of the groove 114
Wide edges 116 having a slightly wider plane are formed at the upper ends of the two corners of b.

The lid 12 is composed of a side wall 121 and a top surface 122, and is formed in a box shape having an opening on the lower surface. At the lower end of the side wall 121, a flat portion 123 having a small width is formed by being bent outward, and an outer side of the flat portion 123 is
A groove 124 having substantially the same cross-sectional shape as the groove 114 is formed. The groove portion 124 has an inner wall surface 124a extending downward from the flat portion 123, a bottom surface 124c slightly narrower than the bottom surface 114c of the groove portion 114, and an inner wall surface 124.
The groove portion 11 is formed to extend slightly above a.
The outer wall surface 12 whose height is slightly lower than the outer wall surface 114b of No. 4
4b. Further, the outer wall surface 124b is formed to be slightly inclined outward.

When the case main body 11 is closed by the lid 12, a corner portion formed by the boundary between the flat portion 113 and the inner wall surface 114a and a boundary between the flat portion 123 and the inner wall surface 124a are formed. The corner portion faces and overlaps with the corner portion, and the groove portion 124 is fitted in the groove portion 114.
At this time, since the outer wall surface 124b of the groove portion 124 is formed to be inclined outward, the outer wall surface 114b of the groove portion 114 is formed.
The upper end of the outer wall surface 114b is locked without being disengaged from the convex portion 115 by the outward elastic force generated when the inner wall surface 114b is pressed inward. As a result, the case body 11 is closed by the lid 12.

As shown in FIG. 3A, the steam heating device 20 includes, for example, a synthetic resin case 21 having an opening on the upper surface thereof, a heating agent bag 22 housed in the case 21 in a stacked state, and The water bag 23, the string 24 drawn around the both bags, and the sheet member 2 that covers the upper opening of the case 21.
And 5. The exothermic agent bag 22 is formed of, for example, a sheet material having a laminated structure in which a resin film is stuck and laminated on an aluminum foil, and an exothermic agent 26 that reacts with water such as quick lime to generate heat is enclosed inside. Water bag 23
Is made of polyvinyl chloride, for example, and has water 27 sealed therein.

One end of the string 24 is fixed to the case 21, is drawn around the exothermic agent bag 22 and the water bag 23, and the other end of the string 24 is drawn out from the case 21 to the outside of the box 10. The sheet member 25 is formed of, for example, a heat-resistant non-woven fabric made of aramid fiber or the like, and is welded or bonded to the peripheral portion 211 of the case 21 so that the heated steam generated in the case 21 is transmitted upward. Further, by covering the exothermic reaction part, it acts as a heat insulating sheet that prevents excessive heat from being transferred upward.

With the above construction, as shown in FIG. 6, a desired food such as a main food 6 made of cooked rice or a side food 7 made of curry, etc., which is pre-cooked and can be eaten only by heating. Put in the disposable steamer 1 and the case body 11 is closed by the lid 12, and the user
0 By pulling the string 24 from the outside, the heating agent bag 22
When the water bag 23 and the water bag 23 are simultaneously cleaved to start an exothermic reaction, the generated steam rises through the sheet member 25,
The main food 6 and the side food 7 in the disposable steamer 1 are heated.

At this time, since the bottom wall of the disposable steamer 1 is formed of the watertight sheet 4 having both moisture permeability and water blocking property, steam rises from the entire bottom wall of the disposable steamer 1 and the steam is the main food. 6 and the side-by-side food 7 are evenly distributed, while the juice component of the side-by-food 7 is prevented from leaking from the bottom wall of the disposable steamer 1. After heating, the disposable steamer 1 can be eaten as it is.

As described above, since the food is put in the disposable steamer 1 whose bottom wall is formed of the watertight sheet 4 having both moisture permeability and water blocking property, the steam heating device 20 heats the disposable steamer 1 as desired. The main food 6 and the side food 7 can be suitably heated, and the food can be simply and deliciously tasted.

In particular, even when the food is cooked rice in which the moisture content of each rice grain varies when the moisture is removed after the rice is gelatinized,
Since the heated steam can be evenly distributed to each rice grain, the rice can be heated to a sticky state without becoming uneven. In this way, by adding heat and moisture by the heated steam, the aged starch can be rejuvenated and the food can be tasted very deliciously.

Furthermore, since the juice component is suppressed from leaking from the bottom wall of the disposable steamer 1, the main food 6 and the side food 7
As the food, not only foods that do not contain sap components such as cooked rice, but also foods that contain some sap components such as curry, hayashi rice and spaghetti meat sauce, and foods that contain a lot of sap components such as beef bowl and oden. You can Therefore, various foods can be simply and deliciously tasted.

Further, when the case body 11 is closed by the lid 12, the corner formed by the boundary between the flat portion 113 and the inner wall surface 114a and the corner formed by the boundary between the flat portion 123 and the inner wall surface 124a. Since the groove portion 124 fits inside the groove portion 114 while overlapping with the groove portions, the passage of water vapor that escapes from the inside of the box 10 to the outside of the box 10 is formed by the inner wall surfaces 114a and 124a of the fitted groove portions 114 and 124.
It descends once in the gap. Therefore, since the heated steam generated in the box 10 has the property of rising, it is possible to prevent the heated steam from leaking to the outside of the box 10 by filling the inside of the box 10.

Further, for example, the structure of a general lid in which the case body side is wrapped to cover the lid from above, that is, in the above embodiment, the case body 11 and the lid 12 are turned upside down. In such a case, the heated steam leaks downward, which may cause damage such as discoloration of the surface of the table or the like on which the present simple food heater is placed due to heat. However, according to the above-described embodiment, the water vapor passage that escapes from the inside of the box 10 to the outside of the box 10 is provided with the inner wall surface 114 of the groove portions 114 and 124 to be fitted.
In the gap between a and 124a, it once descends, and the bottom surface 114c, 1
After going horizontally between 24c, the outer wall surfaces 114b, 124b
It rises in the space between and goes out of the box 10. Therefore, even if a part of the heated steam leaks from the box 10, the heated steam leaks upward, and it is possible to reliably prevent such a situation that the heat damages the table.

The case 21 of the steam heating device 20 and the disposable steamer 1 are formed to have substantially the same size, and the peripheral portion 211 of the case 21 and the rib 3 of the disposable steamer 1 are
It may be fixed. When the disposable steamer 1 and the steam heating device 20 are displaced from each other, the steam heating device 20
Although the heated steam generated in 1 may not be sufficiently supplied to the food in the disposable steamer 1, the sticking causes
Since it is possible to prevent the disposable steamer 1 and the steam heating device 20 from being displaced from each other, it is possible to reliably heat the food.

[0043]

As described above, according to the inventions of claims 1 to 4, since at least the bottom wall is formed of a sheet having a moisture-permeable and water-impervious sheet, it has a box-like shape having an opening on the upper surface. If heated steam is supplied from below in the state of containing, the heated steam permeates and rises from the entire bottom wall, and the heated steam can be evenly distributed throughout the food, and the juice component of the food leaks out. It can be prevented.
Therefore, the food can be easily and suitably steamed.

According to the invention of claim 5, claim 1
Since it has a disposable steamer described, the heating steam generated in the steam heating device rises through the bottom wall of the disposable steamer, it is possible to spread the heating steam evenly throughout the food, the juice component of the food It can prevent leakage from the disposable steamer. Therefore, it is possible to easily heat various foods containing a large amount of sap components as well as foods that do not contain a large amount of sap components, and taste them deliciously.

According to the sixth aspect of the invention, the lid fitting groove having a U-shaped cross section which is formed around the opening end of the case body and opens upward, has a cross section corresponding to the lid fitting groove. By configuring the locking part of the lid having a shape to be fitted inside and closing the case body with the lid, the passage of the heated steam that escapes from the inside of the box to the outside of the box is along the inner wall surface of the lid fitting groove. Since it is formed so as to descend once, and proceed horizontally on the bottom surface, and then rise along the outer wall surface, it is possible to suppress leakage of heated steam having a rising property from inside the box to outside the box, The food can be efficiently heated. Even if a part of the heated steam filled in the box leaks out, the heated steam rises along the outer wall surface of the lid fitting groove and goes out of the box. It is possible to reliably prevent damage such as discoloration due to heat on the table surface on which the table is placed.

[Brief description of drawings]

1A and 1B are views showing an embodiment of a disposable steamer according to the present invention, in which FIG. 1A is a perspective view and FIG. 1B is a sectional view taken along line BB of FIG.

2A and 2B are views showing another example of the disposable steamer according to the present invention, in which FIG. 2A is a perspective view and FIG. 2B is a sectional view taken along line BB of FIG.

3A and 3B are views showing an embodiment of a simple food heater according to the present invention, wherein FIG. 3A is an internal configuration diagram and FIG. 3B is an external view.

FIG. 4 is a view showing the case body of the box of the embodiment, (a)
Is a plan view and (b) is a sectional view taken along line BB of (a).

5A and 5B are views showing the lid of the box of the embodiment, FIG. 5A is a plan view, and FIG. 5B is a sectional view taken along line BB of FIG.

FIG. 6 is an internal configuration diagram showing a state during food heating in the example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disposable steamer 4 Watertight sheet 10 Box 11 Case body 114 Groove part (lid fitting groove) 114a Inner wall surface 114b Outer wall surface 114c Bottom surface 12 Lid 124 Groove part (locking part) 124a Inner wall surface 124b Outer wall surface 124c Bottom surface 20 Steam heating device

Claims (6)

[Claims] 1. A disposable steamer having a box shape having an opening on an upper surface and at least a bottom wall formed of a sheet having both moisture permeability and water impermeability. 2. The disposable steamer according to claim 1, wherein the sheet is made of a non-woven fabric that is water repellent with a water repellent. 3. The disposable steamer according to claim 2, wherein the water repellent is composed mainly of a fluororesin. 4. The disposable steamer according to claim 2, wherein the water repellent is composed mainly of a silicone resin. 5. A steam heating device is housed in the bottom of a box with a lid capable of sealing the inside, and the disposable steamer according to claim 1 is mounted thereon, and the steam heating device is provided from outside the box. A simple food heater characterized by comprising heat generation starting means for starting heat generation by means of (1) to heat the food contained in the disposable steamer by filling the inside of the box with the heated steam generated by the steam heating device. 6. The case body, wherein the box has a box-like shape having an opening on an upper surface, and a lid fitting groove having a U-shaped cross-section that is open upward and is formed of an inner wall surface, a bottom surface and an outer wall surface around an opening end. And a lid around which a locking portion having a cross-sectional shape corresponding to the lid fitting groove of the case body is formed,
The simple food heater according to claim 5, wherein the case body is closed by the lid by fitting the locking portion of the lid into the lid fitting groove of the case body.