Liquid application tool

Abstract

Reduce the amount of liquid required for application. [Solution] The liquid applicator 100 comprises a fabric 1 for applying a liquid to a surface to be coated while impregnated with the liquid, a sponge 2 made of synthetic resin containing a plurality of air bubbles, and a barrier member 3 formed between the fabric 1 and the sponge 2 to suppress the penetration of the liquid from the fabric 1 to the sponge 2. The barrier member 3 may have a first surface in contact with the surface of the fabric 1 closer to the sponge 2, and a second surface in contact with the surface of the sponge 2 closer to the fabric 1. The barrier member 3 has an area greater than or equal to the area of ​​the fabric 1, and at least a portion of the first surface may be in contact with all areas of the surface of the fabric 1 closer to the sponge 2.

Description

Technical Field

[0001] The present invention relates to a liquid agent applicator for applying a liquid agent to a coated surface.

Background Art

[0002] Applicators for applying a liquid agent to a painted surface of an automobile body or the like have been proposed. For example, Patent Document 1 describes providing a storage portion for storing a urethane sponge so that the urethane sponge moves naturally with respect to the uneven portions of the painted surface.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the applicator described in Patent Document 1, there is a problem that since the liquid coating agent soaked in the coating portion formed on the bottom surface of the applicator penetrates into the urethane sponge, the amount of the liquid coating agent required for coating increases.

[0005] The present invention has been made in view of the above problems, and an object thereof is to provide a liquid agent applicator capable of reducing the amount of the liquid agent required for coating.

Means for Solving the Problems

[0006] The liquid agent applicator according to the first aspect of the present invention includes a fabric for applying the liquid agent to a coated surface in a state where the liquid agent is impregnated, a sponge formed of a synthetic resin so as to contain a plurality of air bubbles, and a barrier member formed between the fabric and the sponge for suppressing the penetration of the liquid agent from the fabric into the sponge. The bending stress of the barrier member may be less than or equal to the bending stress of the fabric.

[0007] The barrier member may have a first surface that contacts the surface of the fabric closest to the sponge, and a second surface that contacts the surface of the sponge closest to the fabric. The barrier member may have an area greater than or equal to the area of ​​the fabric, and at least a portion of the first surface may contact all areas of the surface of the fabric closest to the sponge.

[0008] The thickness of the barrier member may be 0.05 millimeters or more and less than 0.2 millimeters. The barrier member may contain a synthetic resin polymer. The barrier member may have solvent resistance. [Effects of the Invention]

[0009] According to the present invention, the amount of liquid required for application is reduced. [Brief explanation of the drawing]

[0010] [Figure 1] The configuration of the liquid dispensing device of the embodiment is shown. [Figure 2] The configuration of the liquid dispensing device of the embodiment is shown. [Figure 3] The configuration of the liquid dispensing device of the embodiment is shown. [Figure 4] The results of a comparison between a conventional liquid application tool and the liquid application tool of the present invention are shown. [Modes for carrying out the invention]

[0011] Figures 1 to 3 show the configuration of the liquid applicator 100 of this embodiment. Figure 1 shows a schematic diagram of the liquid applicator 100. The liquid applicator 100 is used, for example, to apply a liquid to a surface to be coated, such as the body of an automobile.

[0012] The liquid applicator 100 comprises a fabric 1, a sponge 2, and a barrier member 3. The fabric 1 is a member for applying the liquid to the surface to be coated while impregnated with the liquid. The fabric 1 is made of, for example, synthetic fibers. The liquid applicator 100 shown in Figure 1 has a rectangular parallelepiped shape, but the shape of the liquid applicator 100 is arbitrary.

[0013] Figure 2 is a view of the fabric 1 of the liquid applicator 100 from above. As shown in Figure 2, the surface of the fabric 1 has irregularities that can hold the liquid. The fabric 1 is, for example, made of ultrafine fibers of nylon and polyester, but the fabric 1 may be made of materials other than ultrafine fibers of nylon and polyester. The sponge 2 is made of synthetic resin so as to contain multiple air bubbles. This synthetic resin is, for example, polyurethane.

[0014] The barrier member 3 is formed between the fabric 1 and the sponge 2. The first surface of the barrier member 3 is in contact with the surface of the fabric 1 that is closer to the sponge 2. The second surface of the barrier member 3 is in contact with the surface of the sponge 2 that is closer to the fabric 1. The second surface of the barrier member 3 may have the same area as the sponge 2, or it may have a larger area than the sponge 2.

[0015] The barrier member 3 is made of a material that is less permeable to liquid than the fabric 1. Therefore, the barrier member 3 suppresses the penetration of liquid from the fabric 1 to the sponge 2. In particular, if the liquid contains a solvent, it is desirable that the barrier member 3 has solvent resistance in order to suppress the penetration of the liquid into the sponge 2. Since the barrier member 3 has solvent resistance, it can suppress the formation of holes by dissolution caused by the liquid. Therefore, the barrier member 3 can suppress the penetration of solvent into the sponge 2 through the formed holes.

[0016] The liquid agent containing a solvent is, for example, a coating agent for automobile protection. As an example, the liquid agent containing a solvent is a silicone alkoxide - IPA (isopropyl alcohol) - 1 - butanol - synthetic resin paint. For example, the barrier member 3 includes a synthetic resin polymer as a material having solvent resistance. As an example, this synthetic resin polymer is polyurethane.

[0017] The first surface of the barrier member 3 may have the same area as the fabric 1 or may have an area larger than that of the fabric 1. At least a part or all of the first surface of the barrier member 3 is in contact with all regions of the surface of the fabric 1 closer to the sponge 2. By configuring the barrier member 3 in this way, the surface of the fabric 1 closer to the sponge 2 does not directly contact the sponge 2, so that the penetration of the liquid agent from the surface of the fabric 1 closer to the sponge 2 into the sponge 2 can be suppressed.

[0018] Figure 3 shows a side view of the fabric 1 and the barrier member 3 of the liquid agent applicator 100. The thickness of the fabric 1 is, for example, not less than 0.15 millimeters and less than 0.8 millimeters. In the example of Figure 3, the thickness of the fabric 1 is 0.35 millimeters. As shown in Figure 3, the barrier member 3 is thinner than the fabric 1. The thickness of the barrier member 3 is not less than 0.05 millimeters and less than 0.2 millimeters.

[0019] The barrier member 3 is made of a member having a higher hardness than the fabric 1 and the sponge 2. The hardness of the fabric 1 is, for example, 3.0 HA, and the hardness of the barrier member 3 is 4.0 HA. Although the hardness of the barrier member 3 is greater than that of the fabric 1, the thickness of the barrier member 3 is smaller than that of the fabric 1, so the bending stress of the barrier member 3 is not greater than that of the fabric 1, and the barrier member 3 does not inhibit the bendability of the liquid agent applicator 100. Therefore, even when the painted surface is a curved surface, the liquid agent applicator 100 can be deformed according to the curved surface, so that it is easy to apply the liquid agent using the liquid agent applicator 100.

[0020] In a conventional applicator (see, for example, Patent Document 1), there is a problem that since the liquid coating agent soaked in the coating portion formed on the bottom surface of the applicator penetrates into the urethane sponge, the amount of the liquid coating agent required for coating increases. Further, in the conventional applicator, since the liquid agent penetrates from the surface to the sponge side during coating, the way the liquid agent spreads may become uneven, and unevenness may occur.

[0021] On the other hand, the liquid agent applicator 100 of the present embodiment can suppress the penetration of the liquid agent soaked in the fabric 1 into the sponge 2 by the barrier member 3 while having the same ease of bending as the liquid agent applicator 100 having no barrier member 3. For this reason, with the liquid agent applicator 100, it is easy to apply the liquid agent to the painting surface, and the amount of the liquid agent required for coating can be reduced. Further, with the liquid agent applicator 100 of the present embodiment, the liquid agent can be spread more uniformly and without unevenness on the painting surface.

Example

[0022] [Measurement of Penetration Amount of Liquid Agent] The amounts of the liquid agent that can penetrate into the liquid agent applicator 100 of the present invention and the conventional liquid agent applicator were measured respectively. As the liquid agent, silicone alkoxide IPA (isopropyl alcohol) 1-butanol synthetic resin paint was used. The conventional liquid agent applicator is different from the liquid agent applicator 100 of the present invention in that it does not include the barrier member 3. The fabric and sponge of the conventional liquid agent applicator are the same as the amount of the liquid agent of the liquid agent applicator 100 of the present invention. The liquid agent was dropped onto the surface of the fabric 1 of the liquid agent applicator 100 of the present invention and the surface of the fabric of the conventional liquid agent applicator with a needle, and the amount of the liquid agent until the surface of the fabric no longer absorbed the liquid agent and the liquid agent overflowed was measured.

[0023] FIG. 4 shows the comparison results between the conventional liquid agent applicator and the liquid agent applicator 100 of the present invention. The first row from the top in FIG. 4 shows the measurement results of the penetration amount of the liquid agent until the surface of the fabric no longer absorbs the liquid agent and the liquid agent overflows when the liquid agent is dropped onto the surface of the fabric of the liquid agent applicator with a needle.

[0024] As shown in the leftmost row from the top of Figure 4, when liquid was dropped onto the surface of a fabric using a needle with a conventional liquid applicator, the conventional liquid applicator became saturated with 20 mL. As shown in the rightmost row from the top of Figure 4, when liquid was dropped onto the surface of a fabric 1 using a needle with the liquid applicator 100 of the present invention, the liquid applicator 100 became saturated with 4 mL. From these measurement results, it can be seen that in the liquid applicator 100 of the present invention, the penetration of liquid into the sponge 2 is suppressed by the barrier member 3, so the liquid is more likely to overflow even with a small amount compared to the conventional liquid applicator.

[0025] [Measurement of the area that can be coated] The liquid applicator 100 of the present invention and a conventional liquid applicator were impregnated with the same amount of liquid, and the area that could be applied evenly by both the liquid applicator 100 and the conventional liquid applicator was measured. First, 2 mL of liquid was dispersed and dropped into both the liquid applicator 100 of the present invention and the conventional liquid applicator. After dropping the liquid, the liquid was applied to the painted surface of an automobile using the liquid applicator 100 of the present invention and the conventional liquid applicator, respectively.

[0026] The second row from the top in Figure 4 shows the measurement results of the area over which the liquid application tool 100 of the present invention and a conventional liquid application tool can apply the liquid evenly. As shown on the left side of the second row from the top in Figure 4, with a conventional liquid application tool, the area over which the liquid can be applied evenly is approximately 0.5 m² on the painted surface. 2 The liquid agent could be applied evenly. As shown in the second row from the top on the right in Figure 4, the liquid agent applicator 100 of the present invention can apply approximately 0.75 m² to the painted surface. 2 The liquid agent could be applied evenly. From these measurement results, it was found that the liquid agent applicator 100 of the present invention can apply the liquid agent to an area approximately 1.5 times larger than that of a conventional liquid agent applicator.

[0027] Although the present invention has been described above using embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments, and various modifications and changes are possible within the scope of its gist. For example, all or part of the apparatus can be configured by functionally or physically distributing and integrating in any unit. Furthermore, new embodiments resulting from any combination of multiple embodiments are also included in the embodiments of the present invention. The effects of the new embodiments resulting from the combinations are combined with the effects of the original embodiments. [Explanation of symbols]

[0028] 1. Fabric 2 sponges 3 Barrier members 100 Liquid Dispenser

Claims

1. A fabric for applying the liquid to a surface to be coated while impregnated with the liquid, A sponge formed from synthetic resin to contain multiple air bubbles, The system comprises a barrier member formed between the fabric and the sponge to prevent the liquid from penetrating from the fabric to the sponge. Liquid application tool.

2. The bending stress of the barrier member is less than or equal to the bending stress of the fabric. The liquid dispensing device according to claim 1.

3. The aforementioned barrier member is The first surface in contact with the surface of the aforementioned dough that is closer to the sponge, The second surface in contact with the surface of the sponge that is closer to the dough, Having, The liquid dispensing device according to claim 1.

4. The barrier member has an area greater than or equal to the area of ​​the fabric, and at least a portion of the first surface is in contact with all areas of the surface of the fabric that is closer to the sponge. The liquid application device according to claim 3.

5. The thickness of the barrier member is 0.05 mm or more and less than 0.2 mm. A liquid dispensing device according to any one of claims 1 to 4.

6. The barrier member includes a synthetic resin polymer. A liquid dispensing device according to any one of claims 1 to 4.

7. The barrier member has solvent resistance, A liquid dispensing device according to any one of claims 1 to 4.

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