JPH07118697A - Production of solid detergent and apparatus therefor - Google Patents

Abstract

PURPOSE:To provide a production method and an apparatus capable of efficiently, readily and inexpensively forming a solid detergent which is safely and readily handled by a user and free from a trouble about disposal of waste packages without a burden of a mold material or a package material. CONSTITUTION:This solid detergent is produced by setting a water-insoluble film 6 in a mold, pouring a liquid-or slurry-state detergent composition into the inside of the water-insoluble film 6, cooling and solidifying a part or the whole of the detergent composition in that state, subsequently removing only the mold, separating the water-insoluble film 6 from the contacting surface of the solidified detergent once and then packaging the obtained solid detergent again. The production machine is composed of a mold and a water-insoluble film 6 set therein and the mold is composed of a separable cap-shaped bottom part 4 and a separable column-or square column-shaped side wall part 1. One or more cooling holes are formed in the bottom part 4 and the side wall part 1 respectively.

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 a solid detergent. More specifically, the present invention relates to a method and an apparatus for producing a solid detergent used in a commercial automatic dishwasher used in the restaurant industry such as a restaurant, and a plastic container washer.

[0002]

2. Description of the Related Art Conventionally, a liquid or powder type cleaning agent has been often used in a dishwasher or a plastic container washer. In the case of powder cleaning agent, a washing operator takes out a necessary amount from the cleaning agent container and directly inserts it into the cleaning agent supply device, or a plastic cartridge containing 4 to 5 kg of cleaning agent in the supply device. It is loaded upside down. The method of directly adding the cleaning agent has a low work efficiency and has a high risk to the human body such as a cleaning agent having a high alkali content adhering to the skin or inhaling a powdered cleaning agent. Although there is no danger of the cartridge-type powder cleaning agent coming into direct contact with the human body, there is a risk that the cleaning agent may be solidified by water sprayed into the cartridge, resulting in poor cleaning agent dissolution. Further, there is a drawback that the composition of the detergent solution is not always constant due to the difference in dissolution rate between the mixed powders.

Further, in the case of a liquid cleaning agent, since the cleaning agent is directly supplied to the cleaning tank by a pump for use, the cleaning agent does not come into direct contact with the human body, but the active ingredient of the liquid cleaning agent is powder-cleaned. Since it is less than the cleaning agent, a sufficient cleaning effect cannot be obtained, and a relatively large amount of cleaning agent is required.
There is a drawback that a thick polyethylene container of ~ 20 liters becomes a problem in terms of disposal.

On the other hand, as a form of the cleaning agent other than powder and liquid, there is a solid cartridge type cleaning agent described in JP-B-59-4480. Like the powder cartridge type cleaning agent, this solid cartridge type cleaning agent is filled upside down in the supply device at the time of use, and hot water is sprayed from the bottom on one surface of the cleaning agent to dissolve the cleaning agent and the dissolved liquid is washed. Used by supplying to a tank. However, the solid detergent has poor solubility, and there is a risk that the required amount of the detergent cannot be completely dissolved in a short time at the initial stage of newly supplying the detergent, resulting in insufficient concentration. Further, undissolved cleaning agent may remain on the inner wall of the container, and there is a risk of touching the skin of the operator during disposal. A disposable plastic container is a thick plastic container because it is also used as a mold for pouring a highly concentrated alkaline composition at 60 to 65 ° C during production. But it becomes a problem.

A method for producing and using a solid detergent composition by pouring it into a product container and solidifying it into the product or using the product container upside down is described in JP-B-59-4480. In addition to the publication, Japanese Patent Laid-Open No. 2-286119,
It is described in JP-A-2-84500, JP-A-4-342800, etc., and the cleaning agent is in close contact with the mold, that is, the inner surface of the product container, and it is difficult to remove only the cleaning agent, and at the same time, the opening is made. The part is narrow and is not designed to take out only the cleaning agent. All of these are problems in terms of waste containers.

On the other hand, in JP-A-62-277499, the detergent composition is stirred at 60 to 70 ° C. to be in a molten melt state, and then poured into a pouring type or a pack type to solidify the detergent. Since then, a method of packaging in a water-impermeable film is described, but in the actual production, until the cleaning agent solidifies in a natural standing state, as described in JP-A-2-274799. It takes 1 to 2 hours. The solidification of the cleaning agent in a short time and the easy separation from the mold are problems for efficient production.

Further, Japanese Patent Laid-Open No. 62-290433 discloses that a solid detergent composition is a deep-drawn container, a plastic-lined carton, a tube-shaped film, and the like are cast into a solid product container. Although a detergent pack and its manufacturing method have been proposed, such a product solves the problem of disposing of the container considerably, but the detergent that adheres to the container at the time of molding makes the container upside down. Even if you spray hot water, it has adhesiveness that it still stops on the inner wall of the container.When using it, push out the cleaning agent that adheres to the container or clean the inside of the packaging material such as film that adheres to the cleaning agent. The agent has to be peeled off until it can be easily removed, and there is a problem that the exposed area of the detergent increases, and in the case of a tubular film, a vertically long cylinder or a similar shape is formed. Side spread by the weight of the detergent Rutoki not only fail cleanly molded, the strength of the film for would be molded while the film is inflated there are problems such as there is a crack occurs decreases. Generally, the cleaning agents used in commercial dishwashers contain a high concentration of alkali metal hydroxide, and the exposed surface of the cleaning agent becomes large during use, and cracks occur in the film after molding, causing internal damage. There is also a problem in terms of transportation and handling safety, such as the fact that some of the cleaning agent is exposed. Further, the filling into the subdivided packaging container described in JP-A-2-274799 has a problem in terms of handling safety for the same reason.

In Japanese Patent Laid-Open No. 1-246461, 2 to 30 g
There is disclosed a cleaning agent in which a plurality of pellets of (1) are enclosed in a water-soluble film, and the pellets are dissolved together with the water-soluble film when used. Such a cleaning agent has no problem in terms of residual cleaning agent and waste container, but since one pack of cleaning agent is an aggregate of pellets, it becomes bulkier than a solid cleaning agent of the same weight, and it is difficult to transport. Space saving, in storage and use
There is a problem that it is difficult to make it compact.

[0009]

Therefore, in view of the above facts, the present invention provides a solid cleaning agent, which can be safely and easily handled by the user and whose used container is not a problem in terms of disposal, as a mold material. It is an object of the present invention to provide a method and an apparatus for producing a solid detergent that can be efficiently and easily formed at low cost without burdening the packaging material.

[0010]

Means for Solving the Problems The method for producing a solid detergent of the present invention comprises mounting a water-insoluble film inside a molding die,
A liquid or slurry detergent composition is poured into the inner portion of the water-insoluble film, where some or all of the detergent composition is cooled and solidified, and then only the mold is removed to remove the water-insoluble film. The contact surface of the solidified cleaning agent is once peeled off, and then the obtained solid cleaning agent is repackaged.

Further, the apparatus for producing a solid detergent of the present invention is
A mold having a cap-shaped bottom portion and a columnar or prismatic side portion, which are separable from each other, and at least one or more cooling holes are provided in the bottom portion and the side portion. It is characterized by comprising a water-insoluble film attached.

The detergent composition used in the present invention is 5 to 4
0 wt% water, 0.1-10 wt% surfactant, 5
It is preferable that the composition contains 50% by weight of an organic chelating agent and 5 to 50% by weight of alkali metal hydroxide, and does not contain alkali silicate or condensed alkali metal phosphate.

Generally, solid cast detergents are described in US Pat.
No. 382,163, No. 2,382,164, No. 2,382,
No. 165, No. 2,412,819, Japanese Patent Publication No. 59-4480
As described in JP-A No. 62-277499, JP-A No. 62-290433, and JP-B No. 4-1800, it contains alkali silicate or condensed alkali metal phosphate, and The component of is a washing component and at the same time forms a hydrate with water to crystallize and solidify.Alkali silicate binds to calcium and magnesium in the water, and calcium silicate and silica which are insoluble in water. It becomes magnesium acid and may adhere strongly to the inner wall of the washing machine. Condensed alkali metal phosphate hydrolyzes in high temperature and high concentration alkaline aqueous solution to lose its chelating ability and cause nutrient eutrophication. It is not preferable because of problems such as containing a large amount of phosphorus.

In the manufacturing method of the present invention, first, 5 to
0.1 to 10% by weight of a surfactant is added to 40% by weight of water and uniformly dissolved. The surfactant preferably has a low foaming property, such as polyoxyethylene-polyoxypropylene condensate, polyoxyethylene-polyoxypropylene condensate of ethylenediamine, phosphoric acid ester, polyoxyethylene-polyoxypropylene alkyl ether, alkyl. Low-foaming surfactants such as glucosides and aliphatic alcohol alkoxylates are preferred, but non-ionic surfactants such as polyoxyethylene alkyl ethers and polyoxyethylene alkylphenyl ethers, sodium alkylbenzene sulphonate, etc., within the range in which foamability is acceptable. , Alcohol sulfate, polyoxyethylene alkyl ether sulfate, anionic surfactant such as alpha olefin sulfonate, amphoteric surfactant such as imidazoline type, alanine type and betaine type, quaternary ammonium Cationic surfactants such as ium salts can be used.

To this, 5 to 50% by weight of an organic chelating agent is added and uniformly dissolved. Examples of the organic chelating agent include polyacrylic acid, sodium polyacrylate, acrylic acid-maleic acid copolymer salt, styrene-maleic acid copolymer salt, ethylene-maleic acid copolymer salt, and methyl vinyl ether-maleic acid. Polymer chelating agents such as acid copolymer salts, sodium citrate, hydroxycarboxylic acid type chelating agents such as sodium gluconate, ethylenediaminetetraacetate,
An aminocarboxylic acid type chelating agent such as nitrilotriacetic acid salt is used as a salt or as an acid as it is neutralized during production. Of these, the combination of a polymer chelating agent and an aminocarboxylic acid type chelating agent is particularly effective.

Next, 5 to 50% by weight of alkali metal hydroxide is gradually added to form a uniform liquid or uniform slurry at 70 to 100 ° C. The alkali metal hydroxide may be either sodium hydroxide or potassium hydroxide, and it is also possible to use a mixture thereof.

Further, in order to improve the detergency of the solid detergent, it is possible to add a carbonate such as sodium carbonate, a sulfate such as sodium sulfate, or a borate such as sodium borate as a builder.

The composition in the form of a uniform liquid or slurry as described above is further stirred and mixed at 65 to 100 ° C. Even if the order of addition of the raw materials is another order of addition, a uniform liquid or A slurry composition is obtained.

Japanese Patent Publication No. 59-4480 discloses a method of mixing a solid detergent at 55 to 65 ° C., which is disclosed in JP-A-61-98.
Japanese Patent No. 799 discloses a method of mixing at 35 to 50 ° C., and Japanese Patent Laid-Open No. 62-277499 and Japanese Patent Laid-Open No. 62-290433 disclose a method of mixing and stirring at 45 to 70 ° C. ing. A lower manufacturing temperature is advantageous in terms of safety during manufacturing and prevention of thermal decomposition of a cleaning composition having poor thermal stability,
On the other hand, high-temperature production has the advantages that the composition can be uniformly dissolved, the fluidity of the liquid at the time of filling is good, and no special production equipment for mixing the high-viscosity composition is required. It may be manufactured.

The composition in the form of a uniform liquid or slurry is kept at 65 to 100 ° C. and poured into a mold shown in FIG. 7 or 8 assembled with a water-insoluble film inside.

As shown in FIGS. 1 and 2, the molding die comprises a cap-shaped bottom portion (4) and a side surface portion (1) of a cylinder or prism formed by processing one plate, which are separated from each other. Is used. In addition, a fixing belt and a ring (2) are installed on the side surface portion (1) to prevent the mold from spreading. Although the bottom portion of the cap shape shown in FIGS. 1 and 2 is tubular, it is also possible to use the bottom portion (4) which is not tubular as shown in FIGS. 3 and 4. Each of the bottom portion (4) and the side surface portion (1) is provided with at least one or more holes, that is, slits, pores, mesh (3), etc., in order to improve cooling efficiency, or a plate is formed in the side surface portion. It is designed to have a gap of 1 mm or less so that cooling water or the like can enter from the side surface when the parts are overlapped by bending or bending.

The side part (1) and the bottom part (4, 4
The material of 5) is stainless steel with a thickness of 0.1 to 0.5 mm,
Metal plate such as copper, brass, iron, zinc, or resin coated hard paper with a thickness of 0.5-5.0 mm,
Corrugated cardboard or 0.5 ~ 3.
Any hard plastic such as polyethylene, polystyrene, polycarbonate or vinyl chloride having a thickness of 0 mm may be used, but a metal or plastic material is preferable. Such a mold is assembled into a desired shape at the time of use, and is repeatedly used after molding the cleaning agent.

The water-insoluble film mounted inside the mold has a bag-like shape covering the entire inner wall of the mold as shown in FIGS. 5 and 6, and the cleaning composition is placed inside in the vertical direction. It has a length (B) sufficient to seal the top after injection into the mold, and in the lateral direction, the length (A) required to cover only the inside of the mold.
It is preferable to use a bag-shaped water-insoluble film (6) having the above or a bag-shaped water-insoluble film (7) having a length (C) longer than these, and these are formed in a mold as shown in FIGS. 7 and 8. Set and used. FIG. 7 is a view showing a state where the bag-shaped water-insoluble film (6) having the shape shown in FIG. 5 is mounted inside the molding die, and FIG. FIG. 3 is a view showing a state in which a bag-shaped water-insoluble film (7) having the shape shown is attached.

The bag-shaped water-insoluble film (6, 7) may be processed into a shape that can be easily set in a mold. The above-mentioned forming dies can be used alone or in combination of two or more in a mass shape or a conveyor shape.

The cleaning composition is poured into the mold set in this way, and the upper part of the water-insoluble film is sealed or folded so that cooling water does not enter, and the whole mold is immersed in cooling water. It is cooled by spraying cooling water onto the surface of the mold, or it is cooled by blowing air at room temperature or lower with the upper part of the water-insoluble film open. It is more effective to use a metal or the like having high heat conductivity as the material of the molding die.

After the surface of the detergent composition is solidified, the detergent inside the mold is removed from the mold together with the water-insoluble film, and the solid detergent shown in FIG. 9 or FIG. Can be obtained.

At this time, since the molding die is not in direct contact with the cleaning agent, it is not corroded by the obtained solid cleaning agent and the solid cleaning agent does not adhere to the molding die.
The solid detergent can be easily removed by simply removing the side mold from the bottom mold.

The solidified detergent in the water-insoluble film removed from the mold is repackaged by cutting open a part of the film or opening a folded part. In this repacking method, a method of using a packaging material (one or more kinds of water-soluble film, water-soluble paper, water-insoluble film, etc.) different from the water-insoluble film, solid of the water-insoluble film There are methods such as a method using a contact portion with a cleaning agent and a method using a non-contact portion of the water-insoluble film with a solid cleaning agent.

In the case of the first method, the film is inserted into a separately prepared water-soluble film, water-soluble paper or water-insoluble film, in which all of the water-insoluble film is peeled off and packaged. When the outer packaging is a water-soluble material such as a water-soluble film or water-soluble paper, it is further wrapped with a water-insoluble film and double-wrapped.

In the case of the second method, the water-insoluble film used at the time of molding is set as shown in FIG. 8 and molded into a solid detergent (8). By opening the side part (11) of the water-insoluble film (7) that is outside and is not in contact with the surface of the cleaning agent at all, the cleaning agent inside can easily fall off from the surface of the cleaning agent. The entire surface is separated from the film. At this time, the solid detergent (8) already exists with a degree of freedom in the water-insoluble film whose entire surface is sealed, and is either a product as it is, or a water-soluble film or a new water-insoluble film as described above. The product is repackaged.

Further, in the case of the third method, in a mold having the same configuration, the water-insoluble film attached to the mold is as shown in FIG.
It is a water-insoluble film (7) shown in
If the lateral length (C) of (7) is more than twice the lateral length (A) of the portion to be mounted only inside the mold, immediately after molding, as shown in FIG. In this state, the solid detergent (8) separated from the surface of the water-insoluble film (7) inside the water-insoluble film (8) is outside the mold at the time of molding and is not in contact with the detergent surface at all (11). ), The side surface is sealed at this portion, and the film portion used at the time of molding is cut into a product. According to this method, the worker injects the cleaning agent, solidifies it, and then
The solid detergent (8) can be replaced with a new surface of the packaging material while the (8) is enclosed in the film.

When the detergent composition is poured and cooled, the water-insoluble film in the portion which is in direct contact with the detergent expands and contracts and sticks to the detergent surface. It is easy to peel off with. In particular, if the film set as shown in FIG. 8 is used, the solid detergent (8) can be detached from the film surface very easily. It is presumed that this is because the film is not firmly fixed at the side surface portion (1) of the molding die, so that the film has a cushioning property against expansion and contraction.

In the repacking, the solid detergent (8)
It is possible to prevent the deterioration of the surface of the solid detergent (8) by contacting the entire surface of the film with the film, and it is easy to take it out when using it by keeping two or more sides of the solid detergent (8) out of contact with the film. After packaging with a water-soluble film, water-soluble paper (10), etc., and then packaging with a water-insoluble film for exterior (9), the solid detergent (8) surface is not exposed and a highly safe product is obtained. To be

The solid detergent (8) of the present invention produced in this manner is in the form of product packaging as shown in FIG. 11 or 12, and is disclosed in JP-A-4-300517. It is preferably used in a washing machine having a supply device such as a cleaning agent supply device.

[0035]

The present invention will be described in more detail with reference to the following examples, but it should be understood that the present invention is not limited thereto. Example 1 According to the method of the present invention, 1.5 kg of a solid detergent was prepared by the following steps. 21 parts by weight of water was placed in a liquid mixer equipped with a heating device, and then 1 part by weight of polyoxyethylene-polyoxypropylene condensate and 3 parts by weight of sodium polyacrylate were added and uniformly dissolved. This aqueous solution was heated to 40 ° C., and then 35 parts by weight of sodium nitrilotriacetate was added and stirred until a uniform liquid state was obtained. Next, 40 parts by weight of flaky anhydrous sodium hydroxide was gradually added and stirred so that the liquid temperature did not rise sharply. At this time, the temperature of the aqueous solution rose to 90 ° C. Then, while maintaining the liquid temperature at 80 ° C., stirring was continued for another 30 minutes to form a low-viscosity, uniform liquid. The homogeneous liquid composition thus obtained is
At a temperature of 0 to 80 ° C., the polyethylene film having the properties shown in FIG. 5 was poured into a copper mold having a thickness of 0.3 mm shown in FIG. 1 and was poured into a molding die set as shown in FIG. ,
After cooling, only the copper mold was removed to obtain a solid detergent having a diameter of 75 mm, a height of 220 mm and a weight of 1.5 kg in the polyethylene film. The obtained solid detergent was molded into a column shape without being distorted, and could be easily taken out from the mold. Table 1 shows an example in which a liquid composition having the same composition as that of the example using various mold materials and film materials was injected into a preformed plastic tube having a diameter of 75 mm and a height of 250 mm with an open upper part. This is shown as a comparative example.

[0036]

[Table 1]

In the molding method of the comparative example, the middle part of the side surface of the plastic tube swelled immediately after the cleaning agent was injected, and a clean cylindrical solid cleaning agent could not be obtained. Further, after the internal cleaning agent solidified, cracks were formed at the joints of these plastic tubes, and the internal cleaning agent was exposed.

Example 2 Table 2 shows a comparison of workability for removing the solid detergent prepared in the same step and the same process as in Example 1 from the molding die and exposing the detergent once.

[0039]

[Table 2]

In each of the methods of Examples, only the cleaning agent could be exposed in a short time. In the method of the comparative example, there was no gap in the bottom and side surfaces of the mold to prevent the contents from flowing out, and it was difficult to disassemble the mold, and the contents were taken out by breaking the mold. Therefore, it took a very long time to expose the cleaning agent to the exposed state.

Example 3 The solid detergent prepared in the same step and having the same composition as in Example 1 was repackaged to obtain a final product. Opening a part of the water-insoluble film that is the outer packaging of the product and introducing the cleaning agent inside to the cleaning agent supply device (dispenser), the ease of introducing the cleaning agent and the minimum exposure of the cleaning agent at the time of introduction. The area was calculated as a ratio to the total area of the cleaning agent and is shown in Table 3. The smaller the exposed area ratio, the better the safety of the work for introducing the cleaning agent. When the cleaning agent inside is packaged with a water-soluble film or water-soluble paper, the exposed area ratio of the cleaning agent is substantially zero. Furthermore, when the cleaning agent was detached from the outer packaging and set in the dispenser, the cleaning agent spontaneously dropped from the packaging surface or pulled the film alone to show a release angle at which the cleaning agent could be naturally set at a predetermined position. The smaller the detachment angle, the easier the cleaning agent can be set. In addition, the amount of the cleaning agent attached and remaining in the packaging film is also shown. The smaller the residual amount, the higher the safety in discarding the packaging material.

[0042]

[Table 3]

In the packaging form of the example, the cleaning agent inside could be easily introduced into the dispenser only by opening the upper seal portion, and the exposed area ratio of the cleaning agent was small. Further, even when the cleaning agent was set horizontally, the cleaning agent could be introduced by pulling only the film, and the cleaning agent could not be lifted. When the side part was opened, the exposed area ratio was 50% due to the shape of the cleaning agent, but it was the lowest value under the conditions for opening the side part. In the packaging form of the comparative example,
Since the cleaning agent was sticking to the film surface, even if you tried to introduce the cleaning agent inside from the opening on the top into the dispenser, the cleaning agent stuck to the film surface on the bottom part and did not separate even if the cleaning agent was inverted. , Had to peel off all of the film. It was almost the same when opened on the side. Further, the amount of the cleaning agent particles attached to and remaining on the film surface was larger than that in the example.

[0044]

EFFECTS OF THE INVENTION According to the method of the present invention, even if the detergent composition contains a high concentration of alkali hydroxide, heat resistance,
It can be used as a mold as long as it is a water resistant material, and since the water-insoluble film blocks the contact between the cleaning agent surface and the mold, it will not be corroded by the contents, and the mold will not need to be washed, and it will be used repeatedly. be able to.

Further, the mold material is thin, the bottom part and the side part are separated, and a thin plate-like mold material used for the side part is appropriately processed to easily form a cleaning agent in the shape of a cylinder, a prism, or the like. Therefore, even if the shapes are different, separate unique molds are not required, mold cost can be reduced, and since there is no joint part in the mold itself, cleaning can be done simply by removing the mold on the side part from the mold on the bottom part. The agent can be easily removed, and demolding and mold disassembly are easy.

Further, the mold can be made thin to the extent that it can support the cleaning agent inside, a metal having good heat conductivity can be used for the mold material, and slits or gaps are provided on the surface of the mold. For this reason, cooling water, etc. spread to the surface of the cleaning agent across the water-insoluble film, and the surface of the cleaning agent could be solidified in a very short time, so the work from the injection of the cleaning agent to the repackaging could be continued. Since the mold can be used in a large number and the mold can be used repeatedly, the cast solid detergent can be produced in a large amount with a small number of molds.

The water-insoluble film mounted in the mold according to the present invention protects the mold from corrosion by the cleaning agent and prevents the cleaning agent from sticking to the mold, thus facilitating the demolding and removing the film. Since the film is less than 0.15mm thick,
Peeling is also relatively easy. In particular, FIG. 6 and FIG. 8 have a portion on the side surface of the mold that does not come into contact with the cleaning agent when the cleaning agent is injected.
According to the water-insoluble film having a shape like this and a method of setting the mold, the cleaning agent inside which has solidified can be easily released only by expanding the film in the lateral direction of the side surface, and expansion due to heat change, It has a cushioning property against physical pressure such as shrinkage, reduces damage to the film, and can package the cleaning agent in the same film without any risk of contact with skin. There are advantages.

The solid detergent once peeled off from the film surface is simply degassed or vacuum packaged so that the entire surface may come into contact with the packaging material at the time of repacking. Air enters the inside, the cleaning agent is detached from the packaging film and guided to the cleaning agent supply device through the minimum required openings, which minimizes the exposed surface of the cleaning agent and also handles it. The above safety and convenience are improved.

Since the product packaging material used in the present invention is a film-shaped material such as a water-soluble film, a water-soluble paper, a water-insoluble film, etc., it can be found in a strong plastic container which is hard to break as in the past. Since there are no problems in terms of disposal and the cleaning agent does not use condensed alkali metal phosphate containing a large amount of phosphorus as a raw material, it is necessary to provide a solid cleaning agent that is less problematic to the environment in terms of cleaning drainage. You can

[Brief description of drawings]

FIG. 1 is a view showing a side face and a bottom face forming die for forming a cylindrical cleaning agent.

FIG. 2 is a diagram showing a side surface and a bottom surface forming die for forming a prismatic cleaning agent.

FIG. 3 is a view showing another embodiment of the bottom surface part of the cap shape of the molding die shown in FIG.

FIG. 4 is a view showing another embodiment of the bottom surface portion of the cap shape of the molding die shown in FIG.

FIG. 5 is a view showing a bag-shaped water-insoluble film mounted inside a molding die.

FIG. 6 is a view showing another embodiment of the bag-shaped water-insoluble film mounted inside the molding die.

FIG. 7 is a view showing a state where the water-insoluble film shown in FIG. 5 is mounted on the molding die shown in FIG.

8 is a view showing a state where the water-insoluble film shown in FIG. 6 is mounted on the molding die shown in FIG.

9 is a view showing a state in which the solid detergent molded inside the molding die shown in FIG. 7 is demolded and the solid detergent is taken out together with the water-insoluble film.

10 is a view showing a state where the solid detergent molded inside the molding die shown in FIG. 8 is demolded and the solid detergent is taken out together with the water-insoluble film.

FIG. 11 is a view showing a product in which a cylindrical solid detergent is packaged in a water-insoluble film.

FIG. 12 is a diagram showing a product in which a cylindrical solid detergent is entirely packaged with a water-soluble film and then packaged with a water-insoluble film.

[Explanation of symbols]

 1 Side part 2 Fixed belt, ring 3 Slits, pores, mesh 4 Bottom part of cap shape (cylindrical shape) 5 Bottom part of cap shape (non-cylindrical shape) 6 Water insoluble film 7 Water-insoluble film 8 Solid detergent 9 Water-insoluble film for exterior 10 Water-soluble film or water-soluble paper 11 Side part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yukio Takei 7-35, Higashiohisa, Arakawa-ku, Tokyo Within Adeka Clean Aid Co., Ltd. (72) Inventor Junko Noda 7-35, Higashiohisa, Arakawa-ku, Tokyo Stocks Company Adeka Clean Aid

Claims (7)

[Claims] 1. A water-insoluble film is mounted inside a mold, and a liquid or slurry detergent composition is injected into an inner portion of the water-insoluble film, where a part or all of the detergent composition is injected. After cooling and solidifying, only the mold is removed, the contact surface between the water-insoluble film and the solidified detergent is once peeled off, and then the obtained solid detergent is repackaged. Cleaning agent manufacturing method. 2. The method for producing a solid detergent according to claim 1, wherein repackaging is performed using a packaging material different from the water-insoluble film. 3. The method for producing a solid detergent according to claim 2, wherein the other packaging materials are a water-soluble film and a water-insoluble film. 4. The method for producing a solid detergent according to claim 1, wherein repacking is performed using a portion of the water-insoluble film that comes into contact with the solid detergent. 5. The method for producing a solid detergent according to claim 1, wherein repacking is performed using a portion of the water-insoluble film that is not in contact with the solid detergent. 6. A detergent composition comprising 5 to 40% by weight of water, 0.1 to 10% by weight of a surfactant, and 10 to 5 of an organic chelating agent.
The method for producing a solid detergent according to any one of claims 1 to 5, which contains 5% by weight and 5 to 50% by weight of alkali metal hydroxide and does not contain alkali silicate and condensed alkali metal phosphate. . 7. A mold which is composed of a separable cap-shaped bottom portion and a columnar or prismatic side portion, and at least one or more cooling holes are provided in the bottom portion and the side portion. And a water-insoluble film attached inside the device.