JPH11320425A - Polishing tool having soft bowl-form polishing surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform polishing in a state that a soft bowl-form polishing surface is pressed against the spherical surface or the round surface of a soft metal, wood engraving, a wood working material, and a stone, or the cornified ankle of the foot of a man and the round part of the elbow of an arm without trouble of helping hands. SOLUTION: This polishing tool comprises a soft bowl form part 1 formed of a deformable material, such as flexible synthetic resin or rubber; a central top part protrusion 2 formed in structure integral with the soft bowl-form part and having a central through-hole 2'; and a motor 6 rotationally driving the soft bowl-form part 1. A plurality of ribs 3 radially extending from a central part to hold the strength thereof are formed on the outer surface of the soft bowl-form part 1. A part to which an abrasive 5 is adhered is formed on the inner surface of the soft bowl-form part 1. The rotary shaft of the motor 6 is mounted on a central through-hole 2' and this tool is provided with a soft bowl-form polishing surface to polish a material having a spherical surface or a round surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing tool having a soft bowl-shaped polishing surface, and more particularly, to a sphere or R-shaped surface of a soft metal or a wood carving material, a heel of a keratinized human foot and an elbow of a hand. The present invention relates to a polishing tool having a soft bowl-shaped polishing surface for polishing by pressing a soft bowl-shaped polishing surface against a round portion.

[0002]

2. Description of the Related Art Conventionally, sandpaper has been used for polishing metal surfaces and the like. However, while the sandpaper is suitable for polishing a flat surface, it is not suitable for polishing a curved surface. In addition, when producing a wood carving or processing wood, in the case of a material having a spherical surface or an R surface, there is no appropriate polishing tool for polishing the surface. In addition, in order to remove the stratum corneum of the heel of a person's foot and the elbow of a hand, it has conventionally been necessary to scrub with a pumice stone. Also, in the case of a spherical surface or an R surface of a stone material, the only option is to polish by hand.

[0003]

Therefore, a soft metal, a wood carving, a woodworking material, a sphere or an R surface of a stone, a heel of a keratinized human foot and an elbow of a hand can be obtained without human assistance. SUMMARY OF THE INVENTION It is a first object of the present invention to provide a polishing tool for polishing by pressing a soft bowl-shaped polishing surface against a round portion of the polishing tool. A second object of the present invention is to form the soft bowl-shaped portion with a synthetic resin or rubber of a soft and deformable material. It is a third object of the present invention to provide a configuration in which a plurality of ribs extending radially from the central top projection to the periphery of the soft bowl-shaped portion are formed on the outer surface of the soft bowl-shaped portion to maintain the strength thereof.

[0004]

According to the present invention, there is provided a soft bowl-shaped portion 1 formed of a deformable material such as a soft synthetic resin or rubber, and a soft bowl-shaped portion formed integrally with the soft bowl-shaped portion and having a central through hole. A central top projection 2 having a hole 2 ', and a motor 6 for rotating and driving the soft bowl-shaped portion 1 are provided on the outer surface of the soft bowl-shaped portion 1 radially from the center to maintain its strength. A spherical or R-shaped surface formed by forming a plurality of extending ribs 3, forming a portion to which an abrasive is attached on the inner surface of the soft bowl-shaped portion, and attaching a rotating shaft of a motor 6 to the center through hole 2 ′. Is a polishing tool having a soft bowl-shaped polishing surface for polishing a material having the following.

[0005]

Since the present invention is constructed as described above, the soft bowl-shaped polished surface of the soft bowl-shaped portion formed of a soft material such as synthetic resin or rubber is pressed against the spherical surface or the R surface of the material to be polished. When used, the space between the ribs of the soft bowl-shaped part expands and contracts according to the unevenness of the surface of the material to be polished, and the entire soft bowl-shaped part is flexibly deformed. , Can be uniformly polished over the entire contacting surface of the material to be polished. Since the soft bowl-shaped portion of this polishing tool is driven to rotate by a motor, there is no need to rub it by hand as in the prior art. The present invention has a configuration in which the strength is maintained by forming a plurality of ribs extending radially from the central portion on the outer surface of the soft bowl-shaped portion,
The soft bowl-shaped portion can sufficiently withstand the contact pressure between the spherical surface or the R surface of the material to be polished and the polished surface. On the inner surface of the soft bowl-shaped part, by attaching an abrasive along a plurality of ribs extending radially to form a strip-shaped abrasive part,
The flexibility of the soft bowl-shaped part is maintained. Since the abrasive is firmly bonded by the adhesive, there is no possibility of detachment. Thus, whether soft metal, wood sculpture, or the sphere or R-surface of stone, or the heel of a person's keratinized or rounded elbow of the hand, the polished surface is formed on the sphere or R-surface of the material to be polished. The surface of the workpiece is evenly polished by the rotation drive of the motor only by making contact. By applying an inorganic antibacterial agent to the surface of a soft bowl made of a synthetic resin or rubber of a flexible and deformable material, E. coli and Staphylococcus aureus on the surface can be removed after 24 hours. Yes, and
An excellent effect can be obtained by applying an antibacterial agent having high resistance to mold.

[0006]

FIG. 1 is a longitudinal sectional view of a polishing tool of the present invention, FIG. 2 is a plan view of a main part of the present invention viewed from a motor side, and FIG. FIG. 4 is a partial cross-sectional view of the main part of the invention, as viewed from the polishing surface side of the main part. In this embodiment, the polishing tool of the present invention is used for polishing a curved surface such as a spherical surface or a curved surface of a soft metal such as aluminum. As shown in the drawings, the present invention has an outer shape such as a circular suction cup to be attached to a windshield or a tile surface of an automobile, and has a diameter of 100 mm or less formed of a deformable material such as a flexible synthetic resin or rubber. The soft bowl-shaped part 1 and the soft bowl-shaped part and the central top projection 2 formed integrally with each other constitute a soft bowl-shaped body. As best shown in FIG. 2, a plurality of ribs 3 are formed on the outer surface of the soft bowl-shaped portion 1 to extend radially from the central top projection 2 to the periphery of the soft bowl-shaped portion 1 to maintain its strength. On the other hand, as shown in FIG. 3, an abrasive 5 suitable for polishing soft metal is adhered to the inner surface of the soft bowl-shaped portion 1 along the plurality of radially extending ribs 3 with an appropriate adhesive. A band-shaped polished portion is formed. With this configuration, when the soft bowl-shaped polishing surface of the soft bowl-shaped portion 1 formed of a synthetic resin or rubber that is a soft material is pressed against the spherical surface or the R surface of the material to be polished, The ribs 3 of the soft bowl-shaped part 1 expand and contract according to the unevenness of the surface of the material to be polished, and the entire soft bowl-shaped part is flexibly deformed. The curved surface to be polished can be uniformly polished over the entire contact surface with the surface. In the present invention, the tip of the rotating shaft of the motor 6 is inserted and fixed in the center through hole 2 'of the center top projection 2, so that the soft bowl-shaped body can be driven to rotate by the motor, and can be manually driven as in the prior art. This is a polishing tool having a soft bowl-shaped polishing surface for polishing a material having a spherical surface or an R surface which eliminates the need for polishing. The material to be polished is not limited to such a soft metal. The polishing tool of the present invention can be similarly used regardless of whether it is a wood carving, a woodworking material, or a stone, and the polished material has a spherical surface or an R surface. The surface of the workpiece is uniformly polished by rotating the motor only by bringing the polished surface into contact. In that case, an abrasive and an adhesive to be used may be appropriately selected depending on the material to be polished. If an inorganic antibacterial agent is applied to the surface of a soft bowl made of a synthetic resin or rubber of a flexible and deformable material,
Escherichia coli, Staphylococcus aureus and the like on the surface can be removed in 24 hours, and an excellent antifungal effect can be obtained by applying an antibacterial agent having high resistance to fungi.

[0007]

Embodiment 2 In this embodiment, the abrasive tool of the present invention is used on the heel of a person's foot and the rounded part of the elbow of the hand. When a soft bowl-shaped polished surface of a soft bowl-shaped portion made of a synthetic resin or rubber, which is a flexible material, is pressed against the round surface of the heel or elbow of a hand of a person to be polished and used on the R surface. ,
The ribs 3 of the soft bowl-shaped portion expand and contract according to the unevenness of the surface of the portion to be polished, and the entire soft bowl-shaped portion is flexibly deformed. Can be polished uniformly over the entire surface.
Since the soft bowl-shaped portion of the polishing tool is driven to rotate by a motor, it is not necessary to rub it by hand as in the conventional case. The abrasive 5 used here is selected from fine particles so as not to damage the skin of the heel and elbow. As the adhesive, an adhesive suitable for the abrasive 5 and an adhesive that does not adversely affect human skin are selected. Other configurations, operations, and effects are the same as those of the first embodiment.

[0008]

[Effect] As described above, the present invention provides a soft bowl shape on a spherical surface or a curved surface of soft metal, wood carving, woodwork material, stone, etc. Since the polishing tool is configured to be polished by the motor drive by pressing the polished surface, there is an effect that the curved surface of the material to be polished can be easily polished without the help of humans. Further, the soft bowl-shaped part is formed of a synthetic resin or rubber of a flexible and deformable material, and a plurality of ribs are formed on the outer surface of the soft bowl-shaped part to extend radially from the central top projection to the periphery of the soft bowl-shaped part. A band-shaped polishing portion in which an abrasive suitable for polishing soft metal is adhered with an appropriate adhesive to the inner surface of the soft bowl-shaped portion along a plurality of ribs extending radially on the inner surface of the soft bowl-shaped portion. When the soft bowl-shaped polishing surface of the soft bowl-shaped portion made of a synthetic resin or rubber, which is a soft material, is pressed against the spherical surface or the R surface of the material to be polished, the material to be polished is The ribs of the soft bowl-shaped part expand and contract according to the unevenness of the surface of the soft bowl, and the entire soft bowl-shaped part is flexibly deformed. Homogeneous curved surface to be polished Kukoto there is an effect that can. Furthermore, by using the abrasive tool of the present invention on the heel of the keratinized foot of a person or the rounded part of the elbow of the hand, it can be easily rubbed with the hand as in the past,
Moreover, there is an effect that the stratum corneum can be safely removed. An inorganic antibacterial agent is applied to the surface of a soft bowl made of a synthetic resin or rubber made of a soft and deformable material with a soft bowl shape, so that E. coli and Staphylococcus aureus on the surface elapse for 24 hours. There is an effect that excellent effects can be obtained by applying an antibacterial agent which can be removed later and has a high resistance to fungi.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a polishing tool of the present invention.

FIG. 2 is a plan view of the polishing tool of the present invention viewed from the motor side, and does not show a motor.

FIG. 3 is a bottom view of the polishing tool of the present invention as viewed from the polishing surface side.

FIG. 4 is a partially enlarged cross-sectional view taken along line AA of FIG. 2 and viewed in a direction of an arrow.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 bowl-shaped portion 1 ′ central concave portion 2 central top projection 2 ′ central hole 3 rib 4 tip member of motor shaft 5 abrasive 6 motor

Claims (5)

[Claims] 1. A soft bowl-shaped portion 1 made of a deformable material such as a soft synthetic resin or rubber, and a central top projection formed integrally with the soft bowl-shaped portion and having a central through hole 2 '. 2 and a motor 6 for rotating and driving the soft bowl-shaped part 1. On the outer surface of the soft bowl-shaped part 1, there are formed a plurality of ribs 3 extending radially from the center to maintain the strength. Then, a portion to which an abrasive is attached is formed on the inner surface of the soft bowl-shaped portion, and the motor 6 is inserted into the center through hole 2 '.
A polishing tool having a soft bowl-shaped polishing surface for polishing a material having a spherical surface or an R surface to which the rotating shaft is attached. 2. A soft bowl-shaped polishing surface according to claim 1, wherein the portion of the soft bowl-shaped portion to which an abrasive is adhered is formed in a strip shape along a plurality of radially extending ribs. A polishing tool having: 3. A polishing tool having a soft bowl-shaped polishing surface according to claim 1, which is polished by pressing a soft bowl-shaped polishing surface against a rounded portion of a heel of a foot or an elbow of a hand. 4. The polishing tool according to claim 1, wherein the soft bowl-shaped portion has a diameter of 100 mm or less. 5. A polishing tool having a soft bowl-shaped polishing surface according to claim 1, wherein an inorganic antibacterial agent is applied to a surface of a soft bowl made of a synthetic resin or rubber of a soft and deformable material.