JPH10201429A - Manufacture of edible film and its producing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily supply a raw material liquid to strip paper and to produce an edible film with high productivity by spraying the raw material liquid of the edible film on strip paper, heating it, forming the dried object of the raw material liquid on strip paper and removing strip paper. SOLUTION: In an edible film producing device 1, for example, a carrier conveyor 2 for carrying strip paper 28, spray nozzles 7A and 7B arranged in the prescribed upper position of a front part (the front side of a carrier direction) in the conveyor 2 and a heating means 20 arranged in the neighborhood of the rear part of the nozzles are adopted as a mainbody. The nozzles are connected to a raw material tank 8 for storing the raw material liquid 11 with liquid supply tubes 13 and 12, an air pump 17 is arranged in the neighborhood of the nozzles and connection is executed by an air supply tube 18. The raw material liquid is sprayed in a mist state from the tips of the nozzles and the heating means 20 is formed in the prescribed upper part of a carrier path 2 without disturbing the carrying of strip paper 28.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for producing an edible film, and more particularly, to a method for obtaining an edible film by spraying a raw material liquid and a production apparatus used for carrying out the method.

[0002]

2. Description of the Related Art Conventionally, an edible film is produced by applying a raw material liquid on a release paper by silk printing and drying it. For this raw material liquid, a composition mainly composed of flour, corn starch and sugar in water is used.

[0003]

However, the production of an edible film by silk printing requires a lot of trouble and has a problem of low productivity.

A first object of the present invention is to solve the above-mentioned disadvantages of the conventional production method, and it is easy to supply a raw material liquid to a release paper and the edible film has good productivity. It is to provide a manufacturing method of.

Another object of the present invention is to provide an edible film manufacturing apparatus suitable for implementing the edible film manufacturing method of the first object.

[0006]

In order to solve the above-mentioned first problem, a first aspect of the present invention is to spray a raw material liquid for forming an edible film onto a peeling sheet, heat the liquid, and apply the raw material liquid onto a release sheet. Forming a dried product of the raw material liquid and removing the release paper.

According to the first aspect of the present invention, since the supply of the raw material liquid onto the release paper is performed by spraying, the supply of the raw material liquid to the release paper is easy. The raw material liquid of the release paper is heated to be a dried product, that is, an edible film. The release paper is peeled off to obtain an edible film. According to the present invention, an edible film can be obtained by a simple process.

According to a second aspect of the present invention for solving the above first problem, in the first aspect of the present invention, a leveling roller is pressed against the surface of the dried material on the hot release paper after the heating step. A step of intervening.

According to the second aspect of the present invention, the surface of the dried product is smoothed by the smoothing roller.

According to a third aspect of the present invention, there is provided a spray nozzle for spraying a raw material liquid for forming an edible film above a conveying path for conveying a release paper. And heating means for heating the raw material liquid on the release paper is provided at a predetermined position in the transport direction of the transport path without preventing the release paper sprayed with the raw material liquid from being transported. I do.

According to the third aspect of the present invention, the raw material liquid is sprayed onto the release paper from the spray nozzle. The raw material liquid of the release paper is dried by a heating means to be a dried product in the form of a film.
According to this apparatus, an edible film adhered to the release paper can be obtained.

According to a fourth aspect of the present invention, there is provided a heating roller according to the third aspect, wherein the heating means heats the raw material liquid on the release paper and presses the surface to smooth the raw material liquid. There is a feature.

In the present invention, the heating roller has both functions of drying the raw material liquid and leveling the surface of the dried product.

According to a fifth aspect of the present invention for solving the above second problem, in the third aspect of the present invention, the heating means is a device for sending hot air. A smoothing roller for pressing the surface of the dried product is provided.

The raw material liquid is dried by hot air, and then the dried product is smoothed by a leveling roller.

[0016]

FIG. 1 shows an embodiment of the present invention.
This will be described with reference to FIG. First, a manufacturing apparatus for obtaining the edible film of the present embodiment will be described. FIG. 1 schematically shows an edible film manufacturing apparatus 1. This manufacturing device 1
Is a conveyor 2 for conveying the release paper 28, spray nozzles 7A and 7B installed at a predetermined upper position in front of the conveyor 2 (front side in the conveying direction),
A and a heating means 20 installed in the vicinity of the rear of 7B.

As shown in FIG. 1, the conveyor 2 has an endless belt mounted between a driving roller 4 and a driven roller 5, and has a long length supported by a supporting roller 6 at an appropriate position. The belt is made of a heat-resistant material. The upper side of the belt supported horizontally is the transport path 3. The transport path 3 is transported in a predetermined transport direction (the direction of the arrow on the upper side conveyor in FIG. 1).

Two spray nozzles 7A and 7B are provided at predetermined intervals, and each spray nozzle 7A and 7B is connected to a raw material tank 8 via liquid feed pipes 13 and 12. The raw material tank 8 stores a raw material liquid 11 for forming an edible film. In the upper part of the raw material tank 8, the raw material liquid 11 is provided.
Supply pipe 9 and a ventilation pipe 10 are provided. The liquid feed pipe 12 is connected to the bottom of the raw material tank 11, and the liquid feed pipe 12 that has passed through the open / close valve 12A branches into the liquid feed pipes 13 and 13 and is guided to both spray nozzles 7A and 7B. In addition,
The opening / closing valve 12A is always closed. Each of the branched liquid feed pipes 13 and 13 has a filter 14 and a liquid feed pump 1.
5, 15 are interposed. Foreign matter and solid matter of the raw material liquid 11 are removed by the filter 14. Liquid pump 15,1
5, the raw material liquid 11 in the raw material tank 8 is sent to the spray nozzles 7A and 7B.

On the other hand, an air pump 17 is provided near the spray nozzles 7A and 7B, and an air feed pipe 18 for supplying high-pressure air to the spray nozzles 7A and 7B between the air pump 17 and the spray nozzles 7A and 7B. , 18 are connected. The open / close valve 18A,
18A is interposed. In addition, both open / close valves 18A are always closed.

The spray nozzles 7A and 7B are connected to the negative pressure section of the air flow path sent from the air pump to supply the raw material liquid 1 of the raw material tank 8
1 is supplied, and a raw material liquid 11A is sprayed as a mist from the nozzle tip as a mixture of air and the raw material liquid 11. The atomized raw material liquid 11A is formed into a circular
It is structured to be sprayed up. The structure of the spray nozzles 7A and 7B is the same as a normal air gun (spray gun) for spraying paint.

The heating means 20 is formed above the transport path 2 without obstructing the transport of the release paper 28. In the case of this embodiment, as shown in FIG. 1, a heater 22 is provided in a cover 21 covering a predetermined range, and a blower fan 23 is mounted above the heater 22. The air sent by the blower fan 23 is turned into hot air by the heater 22, so that the hot air of about 70 to 90 ° C. strikes the transport path 3.

A smoothing roller 24 for pressing the surface of the dried product 11B from the raw material liquid 11 to the dried product 11B by the heating device 20 is disposed in the conveying path 3 near the rear of the heating device 20. ing. The leveling roller 24 is in the transport path 3
And a pair of upper and lower rollers 25 and 26 sandwiching the belt.

Next, the operation of the production apparatus and the method for producing the edible film will be described. Now, the driving roller 4 of the conveyor 2 is driven, and the belt is formed as the conveying path 3 conveyed in the direction of the arrow in FIG.
Is heated and the blower fan 23 is driven to about 70 to 90 ° C.
Hot air is supplied. Also, the leveling roller 2 of the transport path 3
4 is driven. On the other hand, the raw material tank 8 is in a state where the raw material liquid 11 is stored. This raw material liquid is, for example, a paste-like liquid having the composition shown in Table 1.

Table 1

Next, the open / close valve 12A of the liquid feed pipe 12 of the raw material tank 8 is opened, the liquid feed pump 15 is driven, and the open / close valve 18A of the air pump 17 is opened to drive the air pump 17. And spray nozzle 1
The raw material liquid 11 is sprayed in a mist form from 7A and 17B.
Prior to spraying the raw material liquid 11, the release paper 2 cut to a size larger than the diameter of the raw material liquid 11 to be sprayed.
8 are sequentially and continuously supplied to the transport path 3 from the front of the transport path 13. The supply of the release paper 28 can be performed manually or by a dedicated device.

The release paper 28 has a structure in which the surface of a sheet of a paper base material is coated with silicon, and a polyethylene film is bonded to the back surface. Note that the release paper 28 may be a sheet having another structure that can release the edible film.

Thus, the raw material liquid 11 is sprayed onto the release paper 28 shown in FIG. 2 from the first spray nozzle 7A in a mist state (see the release paper 28 in FIG. 3). Next, the raw material liquid 11 is sprayed from the second spray nozzle 7B (FIG. 4).
Release paper 28). In the present embodiment, the raw material liquid 11 is 2
Since the spraying is performed separately, spraying is easy, but a predetermined amount of the raw material liquid 11 may be sprayed from one spray nozzle 7A or 7B.

The release paper 28 onto which the raw material liquid 11 has been sprayed is sent to a heating means (heating step) 20, and the sprayed raw material liquid 11 is dried with hot air. Next, a pressing process of the leveling roller 24 is performed on the hot semi-dried dried product 11B on the release paper 28 that has been subjected to the hot air drying process. That is,
The semi-dried dried product 11B is inserted between the pair of rollers 25 and 26 together with the release paper 28 to smooth the surface of the semi-dried product (see the release paper in FIGS. 5 and 6).

The semi-dried product on the release paper 28 that has passed through the leveling roller 24 is then air-dried or dried by an appropriate drying means to form an edible film F having a smooth surface. Although the edible film F is in a state of being attached to the release paper 28 as shown in FIG. 6, the edible film F can be easily peeled off (see the edible film F in FIG. 7).

Thus, the edible film F is formed by the manufacturing apparatus 1 of the present embodiment. This edible film F
For example, the cake 40 can be easily cut with a knife by attaching the sponge dough 41 to the upper surface of the cake 40 in which the cream 42 is applied.

FIG. 9A shows a step of applying an edible film F formed in a circular shape on the upper surface of the cake 40, and FIG. 9B shows a cake piece 4 cut by a knife.
0A is shown. The edible film F is overlaid on the upper surface of the cake piece 40A, but when eating the cake piece 40A, no problem is felt.

In the manufacturing apparatus 1 described above, the drying means (drying step) and the means for pressing with the leveling roller (leveling step) are performed in separate steps. By setting it to 30, it can be carried out in one step. That is, the heating means 30 shown in FIG.
2, 33: 34, 35 are provided. As the heating rollers 32, 33: 34, 35, those having an appropriate structure internally provided with a structure capable of heating the peripheral surface of the rollers can be used. Further, it is desirable that the peripheral surface of the roller on the side in contact with the sprayed raw material liquid 11 is made of a material having good releasability from the raw material liquid 11.

The raw material liquid 11 is not limited to the composition shown in Table 1, but may be in the composition range shown in Table 2.

[0034]

The raw material liquid 11 having the composition shown in Table 2 is in the form of a paste, but can be easily sprayed from the spray nozzles 7A and 7B. The dried product 11B of the raw material liquid 11 having this composition, that is, the edible film F has a better releasability from the release paper 28 than a conventional edible film formed by screen printing. This is due to the components cellulose, lecithin and sugar powder.

In the composition shown in Table 2, an appropriate coloring material such as red, green or yellow can be used as a coloring agent. Dyes can be selected and used depending on the use of the edible film.

The thickness of the edible film is 0.3 to 0.02 m
The thickness is mainly about m, but it can be appropriately thick depending on the application.

In the above-described embodiment, the separated release paper 28 is successively supplied to the transport path 3 and the raw material liquid 11 is sprayed from the spray nozzles 7A and 7B.
The release paper may be a long one that does not break, and may have a structure in which a spray nozzle having a linear spray port in the width direction of the release paper is continuously sprayed. In this case, since a long edible film is formed on a long release paper,
It is used by cutting it to an appropriate length if necessary.

[0039]

According to the production method of the first aspect of the present invention, an edible film can be obtained with high productivity in a simple process.

According to the production method of the second aspect, an edible film having a smooth surface can be obtained.

According to the manufacturing apparatus of the third aspect of the present invention, an edible film can be obtained with high productivity, and is an apparatus suitable for implementing the manufacturing method of the first aspect of the present invention.

According to the manufacturing apparatus of the fourth aspect of the present invention, since the raw material liquid can be dried and leveled at the same time, the apparatus can be simplified.

According to the manufacturing apparatus of the fifth aspect of the present invention, an edible film having a smooth surface can be obtained by sequentially drying and smoothing the raw material liquid. Since the drying and the leveling are performed in separate steps, each processing can be sufficiently performed alone.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an apparatus for manufacturing an edible film according to an embodiment of the present invention.

FIG. 2 is a front view of a release paper.

FIG. 3 is a front view of a release paper on which a raw material is sprayed by a first spray nozzle.

FIG. 4 is a front view of a release paper on which a raw material is sprayed by a second spray nozzle.

FIG. 5 is a cross-sectional view of a dried product and a release paper that have been processed by a leveling roller.

FIG. 6 is a front view of a release paper having an edible film formed thereon.

FIG. 7 is a front view of the edible film.

FIG. 8 is another example of the heating means.

9A and 9B are diagrams showing a use state of the edible film, wherein FIG. 9A is a process diagram of covering an edible film on a cream surface on the upper surface of a cake body, and FIG. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Manufacturing apparatus 2 Conveyor 3 Transport path 7A, 7B Spray nozzle 8 Raw material tank 11, 11A Raw material liquid 11B Dry matter (edible film) 12, 13, Liquid feed pipe 17 Air pump 18 Air feed pipe 20, 30 Heating means 22 Heater 23 blower fan 24 leveling roller 28 release paper 32, 33, 34, 35 heating roller

Claims (5)

[Claims] 1. A step of spraying a raw material liquid for forming an edible film onto release paper, heating, forming a dried product of the raw material liquid on the release paper, and removing the release paper. Manufacturing method of edible film. 2. The method for producing an edible film according to claim 1, wherein a step of pressing a leveling roller is interposed on the surface of the dried product on the hot release paper after the heating step. . 3. A spray nozzle for spraying a raw material liquid for forming an edible film is provided above a transport path for transporting the release paper, and the raw material is provided at a predetermined position in the transport direction of the transport path. An edible film manufacturing apparatus, characterized in that a heating means for heating the raw material liquid on the release paper is installed without preventing transport of the release paper sprayed with the liquid. 4. The edible film manufacturing apparatus according to claim 3, wherein the heating means is a heating roller that heats the raw material liquid on the release paper and presses and smoothes the surface thereof. 5. The apparatus according to claim 3, wherein the heating means is a device for sending hot air, and a smoothing roller for pressing the surface of the dried material on the release paper is disposed in a conveying path near the rear of the heating means. An edible film manufacturing apparatus according to claim 1.