JPH11211329A - Evaporating dish - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive evaporating dish having antibacterial/ mildew proofing effect which eliminates physical deterioration in a resin, discoloring and the like and the need for washing with water without using a large amount of antibacterial agent as for the prevention of breeding of mildew, bacteria and the like of the evaporator for evaporating defrosting water utilizing heat of a compressor. SOLUTION: A paint 8 containing a antibacterial/mildewproofing agent 7 is applied on the internal surface 6 of the body 5 of an evaporating dish to obtain an evaporating dish 4 having an antibacterial/mildewproofing agent. Hence, the antibacterial/mildewproofing effect imparted to a necessary surface alone and eliminates the need for using a plenty of antibacterial/mildewproofing agent and makes the body 5 of the evaporating dish free from physical deterioration in a resin, discoloring or the like. This allows the prevention of the breeding of mildew, bacteria and the like thereby producing an inexpensive evaporating dish 4 without stains and the generation of malodor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for preventing the growth of molds, bacteria and the like in an evaporating dish for evaporating defrost water using heat of a compressor.

[0002]

2. Description of the Related Art In recent years, lifestyle-related products, such as cleanliness and amenities, which respond to the user's desire for cleanliness, have been generally preferred.

[0003] As for an evaporating dish, an evaporating dish has been proposed which prevents dirt which causes a bad smell when taking a refrigerator as an example. Examples of this type of evaporating dish include, for example, Japanese Patent Application Laid-Open No. 8-147.
A configuration disclosed in Japanese Patent Publication No. 29 is known.

Hereinafter, a conventional evaporating dish will be described with reference to the drawings. FIG. 4 is a perspective view of a conventional evaporating dish.

[0005] In FIG. 4, reference numeral 1 denotes an evaporating dish, which is made of a resin containing an antibacterial agent, is provided with a lid 2 having an odor-decomposing ion filter, and has an odor-decomposed ion filter facing the tip of a water pipe 3 through which defrost water is passed. The cover 2 has a partially deleted portion 3a.
There is.

Since the evaporating dish 1 constructed as described above is made of a resin containing an antibacterial agent, it suppresses the generation of microorganisms such as molds and bacteria, is resistant to soiling, can prevent odor, and has a defrosting water. Easily evaporates.

[0007]

However, in the evaporating dish 1 having such a conventional structure, since the antibacterial agent is blended in the resin, the antibacterial agent is buried in the resin, and the antibacterial agent is deposited on the surface. There is a problem that a large amount of an antibacterial agent is required in order to be hardly exposed and to obtain an antibacterial effect, resulting in a significant cost increase. Also, because a large amount of antibacterial agent is required,
There were adverse effects such as deterioration of physical properties and discoloration of the resin, and some resins were not suitable for blending an antibacterial agent. In addition, the effect of preventing dirt and odor is weak with only an antibacterial agent, and it was necessary to wash with water.

[0008] The present invention solves the conventional problems, is an inexpensive evaporating dish having an antibacterial and antifungal effect, without using a large amount of antibacterial agent, without deteriorating the physical properties and discoloration of the resin, and without the need for washing. The purpose is to provide.

[0009]

SUMMARY OF THE INVENTION In order to solve this problem, the present invention provides an antibacterial and fungicidal effect by applying or printing a paint containing an antibacterial and fungicide on the inner surface of the evaporating dish body. It is configured.

As a result, an inexpensive evaporating dish having an antibacterial and antifungal effect without deterioration of the physical properties or discoloration of the resin can be obtained. In addition, when the antibacterial and fungicide is an organic antibacterial and fungicide, it is possible to provide an evaporating dish which does not cause deterioration of the physical properties of the resin or discoloration, and has a small amount and especially has an effect of suppressing the growth of fungi. In addition, by using an antibacterial and fungicide agent as an inorganic antibacterial and fungicide agent, it is possible to provide an evaporating dish with good safety and a long-term suppression effect. Further, by using the antibacterial and fungicide as a composite antibacterial and fungicide of an organic antibacterial fungicide and an inorganic antibacterial fungicide, an evaporating dish having a long-term growth-suppressing effect on a wide range of microorganisms such as molds and bacteria. Can be provided.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be embodied in the structures described in the claims. That is, claim 1
As described, an evaporating dish having an antibacterial and fungicidal effect can be obtained by applying a paint containing an antibacterial and fungicide to the inner surface of the evaporating dish body, and the antibacterial and fungicide is only applied to the necessary surface. Because of the effect, propagation of mold and bacteria can be prevented,
It is possible to provide an inexpensive evaporating dish that is not stained and does not generate odor.

Further, as described in claim 2, an evaporating dish having an antibacterial and fungicidal effect can be obtained by printing a paint containing an antibacterial and fungicide on the inner surface of the evaporating dish body. Since the antibacterial and antifungal effect is imparted only to the surface, propagation of mold and bacteria can be prevented, and an evaporating dish free of stains and generating no bad odor can be provided at low cost.

Further, as described in claim 3, the antibacterial and fungicide can be an organic antibacterial and fungicide.

Further, as described in claim 4, the antibacterial and fungicide can be an inorganic antibacterial and fungicide.

According to a fifth aspect of the present invention, the antibacterial and antifungal agent can be a composite antibacterial and antifungal agent comprising an organic antibacterial and antifungal agent.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an evaporating dish according to the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a sectional view of a main part of an evaporating dish according to Embodiment 1 of the present invention. FIG. 2 is a sectional view of a refrigerator equipped with the evaporating dish of the embodiment.

In FIGS. 1 and 2, reference numeral 4 denotes an evaporating dish, which is formed by applying a paint 8 containing an antibacterial and antifungal agent 7 to the inner surface 6 of the evaporating dish body 5. Reference numeral 9 denotes a refrigerator, and in recent years, the evaporating dish 4 is often configured to evaporate defrost water by using the heat of the compressor 10, and is provided at a lower rear portion of the refrigerator 9. Once the refrigerator 9 is installed in the kitchen, the evaporating dish 4 cannot be easily taken out and washed.

In order to apply the paint 8 containing the antibacterial and antifungal agent 7 to the evaporating dish main body 5, the evaporating dish main body 5 is formed into a predetermined shape with PP resin, and then the antibacterial and antifungal Mold 7
Was applied by hand spray. Paint 8
Was 40 to 60 μm. As a result, there is no physical property deterioration or discoloration of the PP resin of the evaporating dish main body 5, and the antibacterial and antifungal effect is obtained only on the required inner surface 6 of the evaporating dish main body 5,
It will be cheaper. The evaporating dish body 5 may of course be made of a synthetic resin other than PP resin or a metal material.

(Embodiment 2) FIG. 3 is a sectional view of a main part of an evaporating dish according to Embodiment 2 of the present invention.

In FIG. 3, reference numeral 11 denotes an evaporating dish, and a printing layer 1 containing an antibacterial and antifungal agent 14 on an inner surface 13 of an evaporating dish body 12.
5.

The printing layer 15 is formed on the inner surface 13 of a PP resin evaporating dish main body 12 by using a printing apparatus in which a paint 16 containing an antibacterial and antifungal agent 14 is adjusted to a printing pressure of 10 to 30 N / cm ^2.
Was gravure printed. The thickness of the print layer 15 was 1-3 μm. As a result, there is no deterioration or discoloration of the physical properties of the PP resin of the evaporating dish main body 12, and an antibacterial and antifungal effect is obtained only on the required inner surface 13 of the evaporating dish main body 12, and the printing layer 15 containing the antibacterial and antifungal agent 14 is provided. Is thinner, the antibacterial and antifungal agent 14 can be used in a small amount, and the cost is lower. The means for providing the printing layer 15 containing the antibacterial and fungicide 14 on the inner surface 13 of the evaporating dish main body 12 may be achieved by using a transfer foil containing the antibacterial and fungicide 14 or using the transfer foil. In addition, an in-mold method in which the evaporating dish body 12 is simultaneously transferred to the inner surface 13 when the evaporating dish body 12 is injection-molded is also possible, and the less expensive evaporating dish 11 can be obtained. The evaporating dish main body 12 may of course be made of a synthetic resin other than PP resin or a metal material.

(Example 3) In Example 3, an organic antibacterial and fungicide was used as an antibacterial and fungicide. In one example, an organic iodine-based antibacterial and fungicide was used as the organic antibacterial and fungicide. Other basic configurations are the same as those described in the first and second embodiments. In the paint containing the organic iodine-based antibacterial and fungicide, 0.5% of the organic iodine-based antibacterial and fungicide was added to the whole paint.
With a small addition amount of 10% to 10%, a growth inhibitory effect was obtained especially for fungi. In addition, since the addition amount was small, deterioration of wet heat resistance, which is a physical property required for an evaporating dish, was not observed. Further, the addition amount was small, so that the cost became low.

Embodiment 4 In Embodiment 4, an inorganic antibacterial and fungicide is used as an antibacterial and fungicide. In one example, a silver-based antibacterial and fungicide was used as an inorganic antibacterial and fungicide. Other basic configurations are the same as those described in the first and second embodiments. The paint containing the silver-based antibacterial and fungicide contained 5 to 30% of the silver-based antibacterial and fungicide with respect to the whole paint, and exhibited a growth inhibitory effect on a wide range of microorganisms such as molds and bacteria. Further, since the silver-based antibacterial and antifungal agent elutes only 2 to 5 ppb in water, an antibacterial and antifungal effect can be obtained for a long period of time. . In addition, generation of resistant bacteria, which is a drawback of the organic antibacterial and fungicide, is not observed.

(Example 5) In Example 5, an antibacterial and fungicide compound comprising an organic antibacterial fungicide and an inorganic antibacterial fungicide was used. When a composite antibacterial and fungicide of an organic antibacterial and fungicide is used, an antibacterial and fungicidal effect can be obtained with a small amount of addition which is a feature of the organic antibacterial and fungicide.
An antibacterial and fungicidal effect can be obtained for a long period of time without the generation of resistant bacteria, which is a feature of the inorganic antibacterial and fungicide.

[0026]

As described above, according to the first aspect of the present invention, an evaporating dish having an antibacterial and antifungal effect is obtained by applying a paint containing an antibacterial and antifungal agent to the inner surface of the evaporating dish. Since the antibacterial and antifungal effect is imparted only to the necessary surface, the growth of mold and bacteria can be prevented, and an evaporating dish free of stains and generating no bad smell can be provided at low cost.

According to the second aspect of the present invention, an evaporating dish having an antibacterial and antifungal effect can be obtained by printing a paint containing an antibacterial and fungicide on the inner surface of the evaporating dish.
Since the antibacterial and antifungal effect is imparted only to the necessary surface, propagation of fungi and bacteria can be prevented, and an evaporating dish free of stains and generating no bad odor can be provided at a lower cost because the printing layer is thin.

According to the third aspect of the present invention, the antibacterial and fungicide is an organic antibacterial and fungicide. The antibacterial and fungicidal effect can be obtained with a small amount of addition, and the physical properties of the resin deteriorate. It is possible to provide an inexpensive evaporating dish without any discoloration or discoloration.

According to the fourth aspect of the present invention, the antibacterial and antifungal agent is an inorganic antibacterial and antifungal agent, which can provide an antibacterial and antifungal effect for a long period of time and is washed with water during use of the refrigerator. Thus, it is possible to provide an inexpensive evaporating dish without the necessity of generation of resistant bacteria.

According to the invention of claim 5, the antibacterial and antifungal agent is a compound antibacterial and antifungal agent composed of an organic antibacterial and an antibacterial antifungal agent. The antimicrobial and antifungal effect can be obtained with a small amount of addition, which is a feature of the antifungal agent. It is possible to provide an evaporating dish having both the organic antibacterial antifungal agent and the inorganic antifungal agent, which does not require washing during use of the refrigerator.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of an evaporating dish according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a refrigerator equipped with the evaporating dish of the embodiment.

FIG. 3 is a sectional view of a main part of an evaporating dish according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a conventional evaporating dish.

[Explanation of symbols]

 1,4,11 Evaporating dish 5,12 Evaporating dish main body 6,13 Inner surface 7,14 Antibacterial and fungicide 8,16 Paint 15 Printing layer

Claims (5)

[Claims] 1. An evaporating dish having an antibacterial and fungicidal effect by applying a paint containing an antibacterial and fungicide on the inner surface of the evaporating dish body. 2. An evaporating dish having an antibacterial and fungicidal effect by printing a paint containing an antibacterial and fungicide on the inner surface of the evaporating dish body. 3. The evaporating dish according to claim 1, wherein the antibacterial and fungicide is an organic antibacterial and fungicide. 4. The evaporating dish according to claim 1, wherein the antibacterial and fungicide is an inorganic antibacterial and fungicide. 5. The evaporating dish according to claim 1, wherein the antibacterial and antifungal agent is a composite antibacterial and antifungal agent comprising an organic antibacterial and antifungal agent.