JP2000236831A - Production of pudding, and top plate with inside frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for production of pudding capable of reducing investment cost, preventing over heating, having high durability of a top plate, easy in handling and capable of obtaining pudding excellent in quality by fitting an inside frame to a top plate by forming a prescribed spacing, neating them by passing steam from the lower side to the upper side of the inside frame. SOLUTION: Pudding is obtained by filling a thermocoagulating pudding raw material in a container C composed of a synthetic resin, suspending the filled container C on an inside frame 3 previously installed with holes 4 for suspending the container C, fitting the inside frame 3 suspending the container C to a top plate 2 previously filled with water, individually heating the lower side of the fitted inside frame 3 by a moist heating atmosphere and heating the upper side by a dry heating atmosphere dried more than the lower side, fitting the inside frame 3 and the top plate 2 as to form a prescribed spacing, passing stream from the lower side to the upper side of the inside frame 3 through the spacing. The spacing is preferably formed to have a width of >=5 mm, and the inside frame 3 is divided into two or more parts, and spaces are formed between the separated parts in different way.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pudding manufacturing method and a top plate with a middle frame for pudding manufacturing. More specifically,
The present invention provides a method for producing a pudding in which a heat-coagulable pudding raw material filled in a synthetic resin container is heated and solidified by a heating means such as an oven without melting or deforming the synthetic resin container. The present invention relates to a top plate with a middle frame for producing pudding that can perform heating means such as an oven without melting, deforming, or the like of a synthetic resin container filled with pudding raw materials.

[0002]

2. Description of the Related Art A container is filled with a heat-coagulable pudding material.
2. Description of the Related Art A method of producing a pudding by heating with a heating means such as an oven to solidify the pudding raw material is conventionally known. As a conventional oven, for example, one having a structure shown in FIG. 5 is mainly used. FIG. 5 is a schematic view showing the structure of a general continuous oven.

In FIG. 5, an oven 100 includes a main body 1.
01, and a conveyor-10 in the main body 101.
2 are provided. The conveyor 102 includes the main body 101.
Is a device that conveys the top plate 1c with a middle frame carried into the main body 101 in the direction of the arrow X and carries it out of the main body 101.

A top plate 1c with a middle frame is placed on a belt 102a of a conveyor 102 and transported in a direction indicated by an arrow X. A heating device 103, 104, 105,
106, 107 and 108 are provided to heat the conveyed top plate 1c with a middle frame from above and below. Some types of ovens have a larger number of heating devices.

[0005] A container filled with a heat-coagulable pudding raw material is arranged on the top plate 1c with a middle frame, and is further filled with water. The heating devices 103, 104, 105, 106, 107,
And 108 heat the container. As a result, at the stage where the top plate with middle frame 1c is carried out of the main body 101, the heat-coagulable pudding raw material is heat-coagulated to produce pudding.

In this case, it has been conventionally desirable to heat the bottom and side walls of the container and the upper opening in different heating atmospheres. For this purpose, for example, in a method for producing a pudding disclosed in Japanese Utility Model Application Laid-Open No. 58-9578, a container is placed on a top plate and filled with water, and a middle frame is placed on the water. Is set. A container suspension hole for suspending the container is formed in the middle frame, and the container is fitted into the container suspension hole to fix the middle frame at a middle height position of the container. . When the top plate in which such a middle frame is set is placed in an oven and heated, water boils on the lower side of the middle frame and becomes a moist heat atmosphere, and the upper side of the middle frame becomes a dry heat atmosphere. Therefore, the bottom portion and the side wall portion of the container are heated in a wet heat atmosphere, and the upper opening portion of the container is heated in a dry heat atmosphere.

However, in such a method of heating the bottom and side walls of the container and the upper opening in different heating atmospheres, when the material of the container is a synthetic resin, the synthetic resin is used in an oven. May be in an overheated state, and the container may be melted or deformed by heat.

Conventionally, when a synthetic resin container is used, a technology disclosed in Japanese Patent Application Laid-Open No. Hei 4-20255 (hereinafter referred to as a prior art) is known as a technology for preventing the container from melting, deforming, and the like. I was

FIG. 6 is an exploded view for explaining the structure of a top plate with a middle frame in the prior art. In FIG. 6, a top plate 1c with a middle frame includes a top plate 2c and a middle frame 3c. Top plate 2c
Has a tray shape and an appropriate amount of water is spread inside. A plurality of container suspension holes 4 are formed in the middle frame 3c fitted to the top plate 2c. A container C made of a synthetic resin is suspended in the container suspension hole 4.

The container C has a bottom portion C1 and a side wall portion C2.
3 are provided. In the prior art, the flange C
3 is hung on the edge of the hole 4 for hanging the container.

The method of using the top plate 1c with a middle frame will be described. First, the container C filled with the pudding material is placed in an arrow Y '.
As shown in the figure, the suspension is suspended in the container suspension hole 4 of the middle frame 3c, and the middle frame 3c is fitted to the top plate 2c filled with water as shown by the arrow Z '.

In this state, the top plate 1c with the middle frame is moved to the position shown in FIG.
When carried into the bun 100 and heated, the water stretched on the top plate 2c boils, and the lower side of the middle frame 3c is heated in a wet heat atmosphere,
The upper side of the middle frame 3c is heated in a dry heat atmosphere.
As a result, appropriate scorching occurs on the surface of the pudding at the upper opening of the container C, and the lower side of the container C is appropriately heated in a moist heat atmosphere, so that good quality pudding can be obtained.

In this prior art, the middle frame 3
A plurality of steam vent holes 109 are formed in c. Through the steam vent hole 109, the steam on the lower side of the middle frame 3c is evacuated upward, the steam is retained on the upper side of the middle frame 3c, and the retained steam prevents overheating of the container C. In this way, melting and deformation of the container C are prevented.

The inventors of the present invention have made an invention that further enhances the effects of the above-mentioned prior art and has ensured the effect of preventing the container C from melting and deforming, and has already filed a patent application (Japanese Patent Application No. Hei 11-1999). 3
No. 3507. Hereinafter, it is described as a prior application. ).

[0015]

However, in the above-mentioned prior art, it is necessary to machine the steam vent hole 109 in the middle frame 3c, and such a machining cost of the middle frame 3c causes an increase in investment cost that cannot be ignored. There was a tendency.

Further, when the steam vent hole 109 is formed in the middle frame 3c, the mechanical strength of the middle frame 3c becomes weak, and the middle frame 3c
Is liable to be deformed, which tends to be disadvantageous in terms of durability.

For this reason, since it is necessary to design the thickness of the middle frame 3c to be significantly thicker, the overall weight of the middle frame 3c is increased, the material cost is increased, and the handling of the top plate 1c with the middle frame is performed. Was inconvenient.

Further, in the above-mentioned prior art top plate with a middle frame 1c, the middle frame 3c has a container C (for example, having a capacity,
Since only a container having a constant diameter or the like can be suspended, when producing pudding filled in containers of a plurality of shapes (for example, containers having different capacities, diameters, etc.), the degree of freedom in handling is restricted.

An object of the present invention is a method for producing a pudding in which the upper and lower atmospheres of a synthetic resin container are heated separately, and the investment cost can be reduced as compared with the prior art. An object of the present invention is to provide a pudding manufacturing method in which the top plate has high durability and the top plate is easy to handle.

Another object of the present invention is to provide a top plate with a middle frame used in the method for producing the pudding.

[0021]

According to a first aspect of the present invention for solving the above problems, a heat-coagulable pudding raw material is filled in a synthetic resin container, and the filled container is previously provided with a container suspension hole. Suspend the provided middle frame, fit the middle frame with the container suspended on the top plate pre-filled with water, the lower side of the fitted middle frame in a moist heat atmosphere, and the upper side of the middle frame from below. In a pudding manufacturing method in which each of the pudding materials is heated and solidified by heating in a dry heat atmosphere, the middle frame and the top plate are fitted to each other with a predetermined gap formed therebetween, and the lower side of the middle frame is formed through the gap. A pudding manufacturing method, wherein heating is performed while removing steam upward.

In the first aspect of the present invention, the gap is formed with a width of at least 5 mm, and the middle frame is divided into at least two parts. It is a desirable mode that a gap is separately formed between them.

A second invention of the present invention for solving the above-mentioned problems is a top plate with a middle frame for producing pudding into which a middle frame having a container hanging hole for hanging a synthetic resin container is fitted. A top plate with a middle frame, wherein a gap is formed between the fitted peripheral edge portion of the middle frame and the top plate.

The second invention of the present invention is directed to a spacer in which the top plate and / or the middle frame forms the predetermined gap.
That the middle frame is divided into at least two parts, a gap is formed separately from the peripheral part between the divided parts, and the divided parts are mutually separated. It is a desirable mode to be detachably connected to the.

[0025]

Next, the present invention will be described in detail.

In the method for producing a pudding according to the present invention, a top plate and a middle frame are used in the same manner as in the prior art. However, the method of evacuating the steam from the lower side to the upper side of the middle frame is fundamentally different from the above-mentioned prior art.

In the present invention, when the middle frame is fitted to the top plate, a predetermined gap is formed between the middle frame and the top plate in advance and fitted. The mode of forming the gap may be any mode,
For example, design the inner frame smaller than the size of the top plate in advance,
When both are fitted, a mode in which a gap naturally occurs between the peripheral portion of the middle frame and the top plate can be adopted. When the pudding is manufactured in the same manner as in the related art by fitting the middle frame with the top plate in the same manner as above, steam is applied from the lower side to the upper side of the middle frame via a gap generated between the middle frame and the top plate. Is missing.

Therefore, unlike the above-described prior art (hereinafter, reference numerals of the prior art are referred to FIG. 6), there is no need to separately provide the steam vent hole 109 in the middle frame 3c, so that the machining cost of the middle frame is reduced, and the machine cost is reduced. Since the target strength is not reduced, the durability is improved, and the thickness of the middle frame can be reduced, so that the weight can be reduced.

The width of such a gap may be any width, but is preferably a width through which a certain amount of vapor can escape, and more preferably at least 5 mm. Conversely, if the width is too wide, the amount of steam that escapes from the gap becomes too large, so that there is no difference in the heating atmosphere above and below the middle frame. Therefore, the width of the gap is desirably in the range of 5 to 50 mm, preferably in the range of 10 to 20 mm.

In order to keep the width of the gap within a certain range,
It is recommended to place a spacer on the top plate and / or the middle frame in advance and design it so that a gap of a predetermined width is automatically generated when fitted.

The gap may be formed on at least a part of the periphery of the middle frame, but is preferably formed over the entire circumference of the middle frame, and is formed with a uniform width as much as possible. It is desirable.

Further, in the present invention, it is more preferable that the middle frame is divided into at least two parts, and a gap is separately formed between the divided parts. For example, if the middle frame is large, simply providing a gap at the periphery of the middle frame
There may be a disadvantage that steam does not reach the center of the middle frame.

In this case, the inconvenience can be solved by forming the middle frame into two or more parts in advance and separately forming a gap between the divided parts. In this case, the divided portions are joined with a gap therebetween to form one middle frame.

With such a middle frame, a gap is formed in the middle frame itself in addition to the gap formed between the peripheral edge of the middle frame and the top plate. Steam is prevalent.

Next, the top plate with a middle frame of the present invention will be described.

In the following description, the elements of the present invention are indicated by parentheses in the reference numerals of the elements of the embodiment in order to facilitate correspondence with the elements of the embodiment described later.
The reason why the present invention is described in correspondence with the reference numerals of the following embodiments is to facilitate understanding of the present invention, and not to limit the technical scope of the present invention to the embodiments.

FIG. 1 is an exploded view showing the structure of an embodiment of a top plate with a middle frame according to the present invention. FIG. 2 is a perspective view showing the appearance of one embodiment of the top plate with a middle frame of the present invention. FIG. 3 and FIG.
It is a top view which shows other Example of the top board with a middle frame of this invention.

The top plate with a middle frame (1, 1a, 1b) of the present invention
Is the top plate (2, 2a, 2b) and the middle frame (3, 3a, 3b)
The middle frame (3, 3a, 3b) is fitted to the top plate (2, 2a, 2b). Also, the middle frame (2, 2
a, 2b) are provided with the same container suspension holes (4, 4a) as in the prior art.

The top plate (1, 1a, 1b) with a middle frame (3, 3a, 3b) is provided when the middle frame (3, 3a, 3b) is fitted to the top plate (2, 2a, 2b). , 3b) and a gap (6) is formed between the periphery of the top plate (2, 2a, 2b).

The top plate (1, 1a, 1b) with a middle frame is used as follows. That is, the container (C) filled with the pudding material is placed in the container suspension holes (4,
4a), and this middle frame (3, 3a, 3b) is fitted to a top plate (2, 2a, 2b) that has been pre-watered.

The middle frame (3, 3a, 3b) is
a, 2b), the middle frame (3, 3a, 3b)
(6) between the peripheral edge of the table and the top plate (2, 2a, 2b)
Is formed.

A fitted top plate with a middle frame (1, 1a, 1b)
Is heated through, for example, an oven 100 shown in FIG. 5, the water stretched on the top plate (2, 2a, 2b) boils, and the lower side of the middle frame (3, 3a, 3b) has a moist heat atmosphere. The upper side has a dry heat atmosphere than the lower side, and the container filled with the pudding raw material is heated in a different atmosphere. In this case, the steam on the lower side of the middle frame (3, 3a, 3b) passes through the gap (6) to the upper side of the middle frame (3, 3a, 3b), and is being heated by the steam that has escaped upward. Overheating of the container (C) is prevented. Thereby, melting of the container (C),
Deformation and the like are prevented.

The top plate with a middle frame (1, 1a, 1b) of the present invention
Is a top plate (2, 2a, 2b) and / or a middle frame (3, 3
a, 3b), spaces for forming the gap (6).
It is a desirable mode to provide a server (5, see FIG. 1). By this spacer (5), the middle frame (3, 3
a, 3b) is fitted to the top plate (2, 2a, 2b)
The edge of the middle frame (3, 3a, 3b) and the top plate (2, 2a, 2b)
A gap (6) having a predetermined width is formed between the gap (b).

In this case, there is no restriction on the shape, material and the like of the spacer (5), but the spacer (5) is formed by the gap (6).
Is desirably installed so as to have a width of at least 5 mm.

Further, the top plate (1, 1a, 1
b) shows that the middle frame (3, 3a, 3b) is divided into at least two parts (m, n, o, p, x, y), and the divided parts (m, n, o, p) , X, y), it is desirable that another gap (6a, 6b, 6c, 6d) be formed.

The other gaps (6a, 6b, 6c, 6
By forming d), the middle frames (m, n, o, p,
The steam can be distributed substantially uniformly over the entire surface of x, y).

It is needless to say that the present invention described above can be used in combination with the above-mentioned prior art of the present inventors.

In the present invention, the term "middle frame" is not limited to the one fitted inside the top plate, but is fitted outside the top plate. Is also good. That is, if a container made of a synthetic resin is suspended and can be divided into upper and lower parts and set on the top plate, the container is included in the middle frame of the present invention. The range of the "middle frame" is not limited.

[0049]

Next, the present invention will be described in detail with reference to examples, but the present invention is not limited to the following examples.

Embodiment 1 FIG. 1 is an exploded view showing the structure of an embodiment of a top plate with a middle frame of the present invention. FIG. 2 is a perspective view showing the appearance of one embodiment of the top plate with a middle frame of the present invention.

In FIG. 1, a top plate 1 with a middle frame includes a top plate 2 and a middle frame 3. The middle frame 3 is fitted to the top plate 2, and has a plurality of container suspension holes 4 for suspending the container C. The container suspension holes 4 are the same as those in the above-mentioned conventional technology. The size of the middle frame 3 is the top plate 2
The top plate 2 is provided with a spacer 5 on the inner surface of the side wall portion.

The container C is suspended from the container suspension hole 4 of the middle frame 3 as shown by an arrow Y, and the middle frame 3 is
Fits.

FIG. 2 shows a state where the middle frame 3 is fitted to the top plate 2. The size of the middle frame 3 is designed to be slightly smaller than the size of the top plate 2, and a spacer 5 is provided on the inner surface of the side wall portion of the top plate 2. 3 is fitted to the top 2, the periphery of the middle frame 3 and the top 2
Is formed between them. The width of the gap 6 is 15 mm, and the thickness of the spacer 5 is designed in advance to be the gap.

As shown in FIG. 2, with the container C (not shown in FIG. 2) suspended in the container suspension hole 4 of the middle frame 3, the top plate 1 with the middle frame is placed in an oven and heated. The steam generated on the lower side of the middle frame 3 passes through the gap 6 to the upper side of the middle frame 3,
The upper part of the middle frame 3 is also maintained at an appropriate humidity, and the container C is prevented from being overheated. As a result, melting, deformation and the like of the container C during heating can be prevented.

In FIG. 1, the middle frame 3 exemplifies a mode in which a flat plate having a hole 4 for hanging a container and a skirt-like leg provided downward from the periphery of the flat plate. However, a cut or the like may be provided at the lower end of the skirt-like leg so that the water stretched on the top plate 2 flows efficiently toward the gap 6. Further, the flat plate may be a middle frame provided with discontinuous legs like a plurality of bars. In short, there is no restriction on the manner in which the middle frame 3 is fixed.

Further, the height of the flat plate in which the container suspension hole 4 is formed may be lower than the upper end of the side wall of the top plate 2. That is, the height position of the flat plate is set so that the upper end of the side wall portion of the top plate 2 is appropriately higher than the flat plate.

In this way, when the steam escapes to the upper side of the middle frame 3 through the gap 6, the escaped steam stays on the middle frame 3 surrounded by the side wall of the top plate 2, This is preferable because the steam easily spreads over the entire surface of the middle frame 3.

Embodiment 2 FIG. 3 is a plan view showing another embodiment of the top plate with a middle frame of the present invention. In FIG. 3, elements common to those in FIG. 1 or FIG. 2 are denoted by the same reference numerals as those in FIG. 1 or FIG.

In FIG. 3, the top plate 1a with a middle frame is provided with a top plate 2a as in the first embodiment, but the middle frame 3a in FIG. 3 has four parts m, n, o, and p. The four parts m, n, o, and p are connected by a detachable clip (not shown), and gaps 6a, 6b, 6c having a width of 10 mm are provided between these parts.
And 6d are formed.

A spacer (not shown) is also provided on the outer periphery of each of the four portions m, n, o, and p of the middle frame 3a, and the four portions m, n, o, and p are prevented from adhering to each other, and the gaps 6a, 6b, 6
The structure is such that c or 6d is formed. Therefore,
If the four parts m, n, o and p are joined by the detachable clip, the gaps 6a, 6b, 6
c and 6d are formed.

In the top plate 1a with a middle frame of the second embodiment,
In addition to the gap 6, the gaps 6a, 6b, 6c, and 6d are formed, so that the steam uniformly spreads over the entire upper side of the middle frame, and the container C (not shown in FIG. 3) is melted, deformed, and the like. The effect of preventing is further improved.

Embodiment 3 FIG. 4 is a plan view showing another embodiment of the top plate with a middle frame of the present invention. 4, elements common to FIG. 3 are denoted by the same reference numerals as in FIG. 3, and detailed description is omitted.

In FIG. 4, the top plate with middle frame 1b is
b, and the middle frame 3b has four parts m, n,
It is similar to the second embodiment in that it is divided into x and y, and gaps 6a, 6b, 6c and 6d are formed by these four parts m, n, x and y.

In FIG. 4, however, the portions m and n are provided with the container suspension holes 4 common to the first and second embodiments, while the portions x and y are provided with the container suspension holes. A container suspension hole 4 a having a size different from that of the container hole 4 is provided. The container suspension hole 4a can suspend a container (not shown) having a larger diameter than the container suspended in the container suspension hole 4.

As described above, the top plate 1b with the middle frame shown in FIG.
Since the parts m, n, x, and y of the middle frame 3b are detachably connected in the same manner as in the second embodiment, the combination can be freely selected according to the type, size, etc. of the container to be used. It can be changed.

Example 4 Next, an example of the production method of the present invention will be described.

To 63 parts of milk (weight, hereinafter the same unless otherwise specified), 23 parts of whole egg and 14 parts of sugar were added.
The mixture was stirred, heated to 60 ° C., homogenized, and then cooled to room temperature to prepare a pudding material.

Separately, 55 parts of water, 30 parts of yolk,
Add 10 parts of sugar and 5 parts of gelatin, dissolve, 35
The resulting mixture was heated to 200 ° C. and whipped in an overrun of 200% to prepare a foamed raw material. As the caramel sauce, a commercial product (manufactured by Ikeda Saccharification Co., Ltd.) was used.

Rev using high crystalline polypropylene resin
e71φ-105M (manufactured by Kishimoto Sangyo Co., Ltd.) A 105 ml container was filled with 80 ml of the pudding raw material and 3 ml of caramel sauce, separated into two layers, and then 8 ml of the foamy raw material was filled on the pudding raw material.

Forty plastic containers were suspended in the pudding suspension holes 4 of the top plate 1a with a middle frame (see FIG. 3) of Example 2 and set in a conventional manner. In addition, hot water of 80 ° C. was previously spread on the top plate 2a to a height (about 20 mm depth) such that the hot water surface did not contact the bottom of the container.

The top plate with middle frame 1a set in this way is
Through a commercially available continuous conveyor oven (see FIG. 5),
It was baked at 160 ° C. on the upper heat and 200 ° C. on the lower heat for 60 minutes, then cooled, and the container was sealed with a synthetic resin film to obtain 3000 baked puddings.

In the above pudding products, good pudding was formed in all the containers, and no phenomenon such as melting or deformation occurred in all the containers.

[0073]

As described above, the present invention relates to a method for producing a pudding and a middle frame used in the method for producing the pudding. The effects of the present invention are as follows. (1) The method for producing a pudding or the top plate with a middle frame according to the present invention can prevent melting and deformation of a synthetic resin container as in the prior art, and can reduce the processing cost of the middle frame.
Investment costs can be reduced. (2) The method for producing a pudding or the top plate with a middle frame according to the present invention is advantageous in terms of durability, since the middle frame has high mechanical strength, is hardly deformed. (3) Since the pudding manufacturing method or the top plate with a middle frame of the present invention can be designed to have a small thickness of the middle frame, the total weight of the top plate with a middle frame can be reduced, Material costs can be reduced, and handling of the top plate with a middle frame becomes convenient. (4) Since the pudding manufacturing method or the top plate with the middle frame of the present invention can manufacture pudding by combining a plurality of types of containers, the degree of freedom in handling the pudding is large depending on the type of pudding.

[Brief description of the drawings]

FIG. 1 is an exploded view showing a structure of an embodiment of a top plate with a middle frame of the present invention.

FIG. 2 is a perspective view showing an appearance of an embodiment of a top plate with a middle frame of the present invention.

FIG. 3 is a plan view showing another embodiment of the top plate with a middle frame of the present invention.

FIG. 4 is a plan view showing another embodiment of the top plate with a middle frame of the present invention.

FIG. 5 is a schematic view showing a structure of a general continuous oven.

FIG. 6 is an exploded view for explaining the structure of a top plate with a middle frame in the prior art.

[Explanation of symbols]

1, 1a, 1b, 1c Top plate with middle frame 2, 2a, 2b, 2c Top plate 3, 3a, 3b, 3c Middle frame 4, 4a Container suspension hole 5 Spacer 6, 6a to 6d Gap 100 Continuous Formula oven 101 Main body 102 Conveyor 103, 104, 105, 106, 107, 108 Heating device 109 Steam vent hole

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Yusuke Miyazaki 5-1-83 Higashihara, Zama City, Kanagawa Prefecture Morinaga Dairy Products Co., Ltd. (72) Inventor Nobuo Kawamura 5-1-83 Higashihara, Zama City, Kanagawa Prefecture Morinaga Dairy Industry Co., Ltd. (72) Inventor Daiki Tanno 5-183 Higashihara, Zama City, Kanagawa Prefecture Morinaga Milk Industry Co., Ltd. F-term (reference) 4B025 LB17 LP02 LT09

Claims (7)

[Claims] 1. A heat-coagulable pudding raw material is filled in a container made of synthetic resin, the filled container is suspended in a middle frame provided with a hole for hanging the container in advance, and the middle frame suspended from the container is filled with water in advance. In a pudding manufacturing method in which a pudding material is heated and solidified by heating the lower side of the fitted middle frame in a moist heat atmosphere and the upper side of the middle frame in a dry heat atmosphere from the bottom side, and fitting the pudding raw material to the top plate. A method of producing a pudding, wherein the middle frame and the top plate are fitted together with a predetermined gap formed therebetween, and heating is performed while removing steam from above the lower side of the middle frame through the gap. 2. The method of claim 1, wherein the gap is formed with a width of at least 5 mm. 3. The pudding manufacturing method according to claim 1, wherein the middle frame is divided into at least two parts, and a gap is separately formed between the divided parts. . 4. A top plate with a middle frame for producing a pudding, into which a middle frame having a container suspension hole for hanging a container made of synthetic resin is fitted, wherein a peripheral portion of the fitted middle frame is provided. A top plate with a middle frame, wherein a gap is formed between the top plate and the top plate. 5. The top plate with a middle frame according to claim 4, wherein the top plate and / or the middle frame are provided with spacers forming the predetermined gap. 6. The medium frame according to claim 4, wherein the inner frame is divided into at least two portions, and a gap different from the peripheral portion is formed between the divided portions. Top plate with middle frame. 7. The top plate with a middle frame according to claim 6, wherein the divided portions are detachably connected to each other.