JP3210284U - Stain remover sponge - Google Patents

Abstract

[PROBLEMS] To increase the number of places that can be used for hitting or rubbing a cloth during a stain removal operation, so that clean locations can be used sequentially for the stain removal operation. Provide a stain-removing sponge that does not allow water or detergent to be discharged onto the fabric. In a stain removing sponge 10 made of a porous material having continuous pores, a porous material forms a flat polyhedron having a low columnar shape, and the polyhedron is annularly formed through two end surfaces 11 and a protruding corner portion 12. And a plurality of flat side surfaces 13 that are continuous with each other, and are formed in a size that can be grasped with fingers of a hand. The polyhedron is formed of polyvinyl formal resin. [Selection] Figure 1

Description

  The present invention relates to a stain-removing sponge, and more particularly to a stain-removing sponge in which measures for improving usability and enabling efficient stain-removing work are taken.

  In cloth removal work such as cotton, polyester, nylon, etc., which is performed in ordinary households, a toothbrush or sponge with water or detergent is struck from the periphery of the stain toward the center and towels laid under the cloth The stain has been transferred.

  On the other hand, in the preceding example, a fabric cleaning tool (for example, see Patent Document 1) formed of a soft urethane foam sponge, or a stain formed by a rod-like fiber bundle having a porosity of 60 to 65% formed by bundling polypropylene fibers. A removal tool (see, for example, Patent Document 2) has been proposed.

JP 2009-285340 A Noto 3130209 gazette

  However, in the above-mentioned stain removal work performed in a general household, if the toothbrush or sponge becomes dirty due to dirt soaked into the hand or cloth during the work, it is forced to wash the toothbrush and sponge with water. If such a situation is repeated, the stain removal work itself becomes troublesome. Moreover, in the cloth cleaning tool and the dirt removing tool proposed by the preceding example, the location where the cloth comes into contact when the cloth is struck by the stain removing work or the dirt removing work is limited to only one place. When the soil of the cloth soaks into the area, the area becomes inconveniently required to be cleaned each time.

  The present invention has been made in view of the above situation, and by forming a stain removing sponge with a low columnar polyhedron made of a porous material having continuous pores, the fabric is struck or rubbed during the stain removing operation. By increasing the number of locations that can be used, and by doing so, it becomes possible to sequentially use other clean locations for the stain removal work, without washing the soiled fabric stains, An object of the present invention is to provide a stain-removing sponge that can be used without touching a finger of a part to be used for stain removal.

  In addition, the present invention provides stains despite the fact that it can retain a sufficient amount of water and detergent to remove stains by giving the polyhedron excellent water absorption and water retention. It is an object of the present invention to provide a stain-removing sponge in which excessive water or detergent is difficult to be discharged onto a fabric during a removing operation.

  Furthermore, an object of the present invention is to provide a stain-removing sponge that is easy to use when gripping with a finger of a hand to perform a stain-removing operation.

  The stain removing sponge according to the present invention is made of a porous material having continuous pores. The porous material forms a low-profile columnar flat polyhedron, and the polyhedron has a plurality of flat surfaces that are annularly continuous via two end surfaces located at two axial positions and a protruding corner. And a resin made of a polyvinyl alcohol derivative formed in a size that can be grasped with a finger of a hand.

  According to the stain-absorbing sponge configured in this manner, the polyhedron has a flat shape with a low columnar shape, so that it can be grasped with fingers of the hand using two end faces of the polyhedron, and a plurality of flat side surfaces You can hit and rub the cloth in order. For this reason, not only does the side of the finger not get soiled due to finger dirt, but also if the specific side used for the stain removal work is soiled, it can be stained using another clean side without washing the stain removing sponge. It is possible to continue using the picking work easily. Further, by selecting a resin made of a polyvinyl alcohol derivative as a porous material having continuous pores forming a polyhedron, extremely high water absorption and water retention are imparted to the polyhedron. For this reason, even though it is possible to retain a sufficient amount of water or detergent to remove the stain, the excess water or detergent is discharged onto the fabric during the stain removal operation. It becomes difficult, and the situation where the cloth is wetted by the stain removal work hardly occurs.

  In the present invention, the resin comprising the polyvinyl alcohol derivative is preferably a polyvinyl formal resin. Polyvinyl formal resin not only demonstrates extremely high water absorption and retention, but also wets, as it can be seen from the fact that it is also used for water-absorbing, cleaning and wiping materials for precision electronic parts such as silicon wafers. In the state, it is soft and elastic (soft elasticity). For this reason, it exhibits an advantage suitable for a stain removing operation in which the fabric is not damaged even if the fabric is struck or rubbed.

  In the present invention, the resin comprising the polyvinyl alcohol derivative preferably has a pore diameter of 50 to 250 μm. With respect to the pore diameter, if it is smaller than 10 μm, it is difficult to squeeze the water, and if it is larger than 1000 μm, it has the property that water retention is possible but water absorption is poor. In order to ensure, the above range of 50 to 250 μm was defined. A particularly desirable range of the pore diameter is 60 to 100 μm.

  In the present invention, each of the plurality of flat side surfaces that are continuous in an annular shape through the protruding corner is a rectangle, and the longitudinal dimension in the axial direction on each side surface and the lateral dimension in the direction orthogonal to the axial direction are It is possible to adopt a configuration in which they are the same. In the polyhedron having this configuration, two end faces are regular polygons. The polyhedron having this configuration includes a triangular prism having an end surface of a regular triangle, a polyhedron having various shapes such as a quadrangular column having a square end surface, a pentagonal column having a regular pentagonal end surface, and a hexagonal column having a regular hexagonal end surface.

  In the present invention, it is desirable to adopt a configuration in which the horizontal dimension of each of the side surfaces is longer than the vertical dimension. With this configuration, use the two end faces of the polyhedron to grasp the stain-sponge sponge with your fingers and rub or rub the fabric on either side of the stain around the fabric. In addition, it is easy to suppress the situation where the side surface comes into contact with unnecessary portions and wets a wide area of the fabric.

  In the present invention, it is desirable to employ a configuration in which the polyhedron is an octahedron having two regular hexagonal end surfaces and six side surfaces. With this configuration, it is possible to rotate the stain-removing sponge comfortably when the stain-removing sponge is rotated and the fabric is struck or rubbed on the clean side adjacent to it after one side becomes dirty. It is known that

  As described above, according to the stain removing sponge according to the present invention, since the number of locations that can be used for hitting and rubbing the fabric during the stain removing operation, that is, the number of sides of the polygonal column is large, It is possible not only to use the other clean side for the stain removal work without washing the dirty side, but also to use it without touching your finger. Since it becomes possible, the situation that the clean side becomes dirty with hand dirt or the like will not occur. In addition, because the polyhedron has excellent water absorption and water retention, it is possible to retain a sufficient amount of water and detergent to remove stains, and excess water and detergent during stain removal work. Is also prevented from being discharged to the fabric. In addition, it is advantageous in that it is easy to use when it is grasped with a finger of a hand to perform a stain removing operation.

1 is a schematic perspective view of a stain removing sponge according to an embodiment of the present invention. It is the front view which illustrated the end face shape of the stain removal sponge. It is a side view of the stain removing sponge. It is explanatory drawing which showed an example of the stain removal work condition. It is explanatory drawing which showed an example of the stain removal work procedure. It is explanatory drawing which showed an example of the use procedure of the stain removal sponge 10 in the stain removal operation | work.

  FIG. 1 is a schematic perspective view of a stain removing sponge 10 according to an embodiment of the present invention, FIG. 2 is a front view illustrating an end face shape of the stain removing sponge 10, and FIG. 3 is a side view of the stain removing sponge 10.

  The stain-removing sponge 10 in the illustrated example is made of a polyvinyl formal resin (PVF resin), which is one of resins (PVA derivative resins) made of a polyvinyl alcohol derivative, and is formed into a flat regular hexagonal column having a low columnar shape. It consists of a face. Therefore, in this octahedron, the two end surfaces 11 and 11 located at two positions in the axial direction are regular hexagons as shown in FIG. Further, the number of flat side surfaces 13 that are annularly continued through the angular projecting corners 12 is six, and the shape of each side surface 13 is rectangular as shown in FIG. The vertical dimension H in the direction and the horizontal dimension W in the direction orthogonal to the axial direction are the same for each of the six side surfaces 13. Further, since the octahedron has a flat columnar shape, the horizontal dimension W is longer than the vertical dimension H.

  FIG. 4 is an explanatory diagram showing an example of the stain removal work status, FIG. 5 is an explanatory diagram showing an example of the stain removal work procedure, and FIG. 6 shows an example of a procedure for using the stain removal sponge 10 during the stain removal work. FIG.

  Since the raw material is a sponge made of PVF resin, the stain removing sponge 10 is cured in a dry state. Therefore, prior to use, the entire stain removal sponge 10 is immersed in water to regenerate soft elasticity, and then lightly squeezed to squeeze out excess moisture. After dripping a few drops of detergent on the side surface 13 of the octahedron constituting the stain removing sponge 10 having soft elasticity, the two end surfaces 11 of the octahedron are used to grip the stain removing sponge 10 with fingers of the hand. The detergent D and the stain D are blended by hitting or rubbing the side surface 13 while gradually pressing the periphery of the stain D attached to the fabric C from the outside toward the center. During such a stain removing operation, the stain removing sponge 10 is moved around the stain D as shown by an arrow R in FIG. 5 so that the stain D does not spread to the periphery. Next, as shown by the arrow G in FIG. 6, the blotting sponge 10 is rotated and another clean side surface 13 is used, and the octahedron side surface 13 is gradually pressed toward the center around the dirt D. Thus, after moisture is supplied to the fabric C and the stain D is lifted from the fabric C, the end face 11 of the octahedron is pressed against the fabric C to absorb the lifted stain D, detergent and moisture. When such a work procedure is performed, not only the clean side surface 13 of the octahedron is not soiled by finger dirt or the like, but even if the specific side surface 13 used for the stain removal work is soiled, the stain-removing sponge is removed. It is possible to use the other clean side surface 13 without cleaning and continue the stain removal operation with ease of use.

  In this embodiment, since it is an octahedron having two regular hexagonal end surfaces 11 and six side surfaces 13, after one side surface 13 is soiled, the stain-removing sponge 10 is rotated to clean other adjacent surfaces. When hitting or rubbing the fabric with the side surface 13, the stain-removing sponge 10 can be rotated without a sense of incongruity. Also, the stain removing work is performed by grasping the stain removing sponge 10 with the fingers of the hand using the two end faces 11 of the octahedron, and striking or rubbing the periphery of the stain D attached to the cloth C with any of the side surfaces 13. In addition, it is difficult to cause a situation in which the side surface 13 contacts an unnecessary portion and wets a wide area of the fabric.

  Furthermore, in this embodiment, by selecting a polyvinyl formal resin, which is one of resins made of a polyvinyl alcohol derivative, as the porous material of the continuous pores forming the octahedron, the octahedron has an extremely high water absorption and retention capacity. Hydropower is given. For this reason, even though it is possible to retain a sufficient amount of water or detergent for the stain removing sponge 10 to remove the stain, excessive water or detergent is discharged to the fabric C during the stain removing operation. It is difficult for the fabric C to get wet by the stain removal operation. In addition, since it has a soft elasticity that is soft and rich in the wet state, even if the cloth C is hit or rubbed, the cloth C is not damaged.

  The polyvinyl formal resin used in this embodiment has a pore diameter of 80 μm, a porosity of 89%, a tensile strength in a wet state of 500 kPA, a tensile elongation in a wet state of 250%, and a wet state of 30%. The compressive stress is 8.3 kPA, the water retention rate is 1000%, and the water expansion rate is 6%. The numerical values for the pore diameter, porosity, tensile strength, tensile elongation, compressive stress, water retention rate and expansion rate listed here are merely examples of typical values for the polyvinyl formal resin used in the embodiment. Each numerical value such as the pore diameter of the usable polyvinyl formal resin is not limited to the above. As a result of the investigation, it has been found that the polyvinyl formal resin has a pore diameter of 50 to 250 μm and a porosity of 86 to 92%, which is suitable for use as the stain removing sponge 10. A particularly desirable range of the pore diameter is 60 to 100 μm. When the pore diameter is smaller than 10 μm, it is difficult to squeeze the water. When the pore diameter is larger than 1000 μm, water retention is possible but water absorption is poor. Further, when the porosity is less than 86%, there is a concern that the water retention amount and the water absorption amount cannot be sufficiently secured. When the porosity exceeds 92%, excessive water and detergent are likely to be discharged onto the fabric during the stain removing operation. There is. When the porosity is 86 to 92%, there is no shortage of water retention and water absorption, and it is difficult for excessive water or detergent to be discharged onto the fabric during the stain removal operation.

  In the octahedron used in this embodiment, the longitudinal dimension H of the rectangular side surface 13 is about 20 mm, and the lateral dimension W is about 25 mm. If it is this size, it is easy to grasp with the fingers of the hand, and it is easy to use.

  The polyhedron forming the stain-removing sponge according to the present invention is not limited to the octahedron described in the embodiment. For example, in addition to a triangular prism whose end face is a regular triangle, a quadrangular prism whose end face is a square, an end face May include polyhedrons of various shapes such as a regular pentagonal prism, and the shape of the end surface may be a polygon having different lengths of a plurality of sides.

  In addition, the porous material forming the flat polyhedron may be a resin made of a polyvinyl alcohol derivative other than the polyvinyl formal resin, for example, a polyvinyl acetal resin.

  Furthermore, as the detergent absorbed by the stain removing sponge 10, a nonionic surfactant dissolved in a glycol ether as a solvent together with a thickener and a preservative can be suitably used. The fabric C to be blotted when this type of detergent is used includes cotton, polyester, nylon, and the like.

10 Stain removal sponge 11 End face 12 Out corner 13 Side

Claims (7)

A stain removing sponge made of a porous material with continuous pores,
The porous material forms a low-profile columnar flat polyhedron, and the polyhedron has a plurality of flat side surfaces that are annularly continuous through two end surfaces located in two axial directions and a protruding corner. A stain-absorbing sponge, comprising a resin made of a polyvinyl alcohol derivative formed to a size that can be grasped with a finger of a hand.   The stain removing sponge according to claim 1, wherein the resin comprising the polyvinyl alcohol derivative is a polyvinyl formal resin.   The stain-removing sponge according to claim 1 or 2, wherein the resin comprising the polyvinyl alcohol derivative has a pore diameter of 50 to 250 µm.   The stain-removing sponge according to claim 1 or 2, wherein the resin comprising the polyvinyl alcohol derivative has a pore diameter of 60 to 100 µm.   Each of the plurality of flat side surfaces that are annularly continuous through the protruding corner is rectangular, and the vertical dimension in the individual sides and the horizontal dimension in the direction perpendicular to the axial direction are the same. The stain-removal sponge according to claim 1, wherein   The stain-removing sponge according to claim 5, wherein the lateral dimension of each of the side surfaces is longer than the longitudinal dimension.   The stain removing sponge according to any one of claims 1 to 6, wherein the polyhedron is an octahedron having two regular hexagonal end faces and six side faces.

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