JP6815656B2 - Oral cleaning tool - Google Patents

Description

The present invention relates to an oral cleaning tool, and more particularly to an oral cleaning tool provided with a mesh sheet.

Conventionally, there are mesh sheets having a mesh formed by synthetic fibers.

A conventional mesh sheet is a woven fabric obtained by weaving long fibers made of polyester as warp threads and weft threads, and is used for filtering and separating particles having a predetermined particle size or larger from a powder or a liquid. (Patent Document 1).

That is, unlike non-woven fabric and paper filter materials, these mesh sheets can be designed with the size of the pores surrounded by the warp and weft at the weaving stage, such as the particle size of the particles to be filtered and separated. Filtration performance can be controlled. Therefore, a mesh sheet having a mesh formed of synthetic fibers is useful as a filtration material. Applications as a filter material include, for example, use as a base material for tea bags.

In addition, some mesh sheets having a mesh formed by conventional synthetic fibers are used as screen masks for screen printing. That is, it is used to transfer the ink that passes through the openings to the object for printing.

Registered Utility Model No. 3139823

The inventor of the present invention has focused on the possibility of using the mesh sheet having a mesh formed of the synthetic fibers described above for cleaning the oral cavity as one of the new uses.

Under such a problem, an object of the present invention is to provide an oral cleaning tool provided with a mesh sheet having a mesh formed of synthetic fibers.

The present invention includes a mesh sheet having a mesh formed of synthetic fibers and a holding member for holding the mesh sheet, and the holding member is gripped to guide the mesh sheet into the oral cavity. It provides an oral cavity cleaning tool characterized by cleaning the dirt in the oral cavity.

That is, in the mesh sheet of the present invention, a mesh is formed by vertical and horizontal synthetic fibers. This mesh forms a three-dimensional structure having a thickness in the orthogonal direction by overlapping vertical and horizontal synthetic fibers in the direction orthogonal to the surface of the mesh sheet.

The mesh sheet is held by a holding member, and the holding member is grasped by the user and guided into the oral cavity. Therefore, the user of this oral cleaning tool can rub parts such as teeth, gums, tongue, palate, and inner cheek in the oral cavity with the mesh sheet by operating the holding member.

By the way, it is known that stains such as food debris and dental plaque after meals tend to adhere to such parts in the oral cavity, and stains such as waste products and molds in the oral cavity tend to appear. .. Therefore, the oral cavity cleaning tool of the present invention makes it possible to clean these stains by rubbing the portion in the oral cavity with the mesh sheet having the above-mentioned three-dimensional structure.

Further, since the mesh of the mesh sheet is formed of vertical and horizontal synthetic fibers, the user flushes the dirt accumulated on the surface of the mesh by pouring running water or washing water on the surface to wash the oral cleaning tool. be able to. By repeating such cleaning and cleaning, the oral cavity cleaning tool can be used a plurality of times.

Further, the oral cavity cleaning tool of the present invention can guide the mesh sheet containing the cleaning solution for cleaning the oral cavity into the oral cavity by the surface tension.

The holding member of the present invention includes a U-shaped portion that supports the mesh sheet, and the mesh sheet may be fixed and supported on each side of the U-shaped portion.

That is, the oral cavity cleaning tool maintains the initial shape within a certain range even when a force is applied to the mesh sheet by fixing and supporting the mesh sheet to each side of the U-shaped portion. Can be done.

Specifically, when the oral cleaning tool rubs a portion in the oral cavity, a force is applied to the mesh sheet in the surface direction of the mesh sheet due to friction with the portion, and the mesh sheet is deformed according to the unevenness of the portion. By doing so, a force is applied in the thickness direction of the mesh sheet. Although the mesh sheet undergoes some elastic deformation, elastic deformation, and plastic deformation due to these forces, it is fixed and supported on three sides by the holding member, so that it does not lose its shape significantly.

Further, by cleaning the portion in the oral cavity while being held by the holding member as described above, the mesh sheet elastically deforms and expands and contracts in the surface direction, and deforms according to, for example, the unevenness of the tooth surface. The entire surface of the tooth, including the recesses, can be rubbed.

Further, the mesh sheet is deformed, for example, following the unevenness of the tooth surface, and one end edge other than the three sides is exposed in the surface direction of the mesh sheet without being fixed by the holding member. Therefore, it is possible to enter into the gap between adjacent teeth that are intricately intricate and rub between these teeth.

Moreover, since the mesh sheet is supported from the three sides, it is not necessary to support any of the front and back surfaces. Therefore, running water or washing water can be poured on both sides, and washing after use can be easily performed.

The holding member of the present invention includes an annular portion that supports the mesh sheet, and the mesh sheet may be fixed and supported on the entire circumference of the annular portion.

That is, the oral cleaning tool can maintain the initial shape within a certain range even when a force is applied to the mesh sheet, and can be used, similar to the oral cleaning tool having the U-shaped portion described above. Subsequent cleaning can be easily performed.

Further, in the oral cavity cleaning tool, since the entire circumference of the annular holding member supports the mesh sheet, the mesh sheet is pulled in the surface direction by friction with a portion in the oral cavity, whereas the holding member moves up and down. The mesh sheet can be supported from four directions on the left and right. Then, it is easy to put the surface of the mesh sheet on a flat surface in the oral cavity such as the tongue and the inner cheek and rub the surface in the four directions.

Moreover, since the mesh sheet is fixed and supported by the holding member in the four directions, both ends of the synthetic fiber in the vertical direction and both ends of the synthetic fiber in the horizontal direction forming a mesh are fixed to the holding member. .. As a result, the possibility that the mesh sheet will greatly lose its shape is small. Further, since the force applied to the mesh sheet is dispersed in four directions, the possibility that the holding member is deformed is small.

Of the plurality of warp threads and weft threads forming the mesh of the present invention, some or all of the warp threads are heat-welded to some or all of the weft threads at intersections overlapping in the sheet thickness direction of the mesh sheet. The warp and the weft have the same diameter, the holding member may include a support portion to which the mesh sheet is attached, and the mesh sheet may be attached to and supported by the support portion.

That is, in the oral cavity cleaning tool, since the mesh sheet is attached to the support portion, the entire surface of the mesh sheet on the side opposite to the side to which the mesh sheet is attached is by being operated by the user to press the support portion. Is easy to apply to a flat surface in the oral cavity such as the tongue. Therefore, by rubbing the tongue with the oral cleaning tool, it is possible to easily clean the dirt adhering to the surface of the tongue or appearing on the surface of the tongue.

Further, since the mesh sheet is attached to the support portion, the initial shape can be maintained within a certain range even when a force due to friction or the like is applied.

The holding member of the present invention includes a linear shaft portion that supports the mesh sheet, and the mesh sheet is molded into a pleated shape, and in a state of being molded into the pleated shape, one of the bent portions of the pleats. The portion may be fixed and supported by the shaft portion.

That is, in the oral cavity cleaning tool, since the mesh sheet is bent in a pleated shape, the mesh sheet having a large area can be held by the shaft portion. Therefore, the user can guide the mesh sheet having a large area into the oral cavity, and can clean a plurality of stains scattered and stains that spread and adhere each time the site in the oral cavity is rubbed once. is there. For example, a wide range of parts such as gums, palate, and inner cheeks can be efficiently cleaned. In addition, a larger amount of cleaning liquid for cleaning the oral cavity can be contained in the mesh sheet.

The holding member of the present invention includes an elongated spiral portion formed by twisting a wire in a spiral shape, and the mesh sheet may be supported by being sandwiched between the wires in the spiral portion.

That is, the oral cavity cleaning tool is configured so that the mesh sheet is held along the spiral portion and the spiral portion formed by twisting the wire is easily bent. Therefore, the user can insert the mesh sheet together with the spiral portion into the gap between the teeth, for example, and can easily clean the dirt in the gap.

Of the plurality of warp threads and weft threads forming the mesh of the present invention, some or all of the warp threads are heat-welded to some or all of the weft threads at intersections overlapping in the sheet thickness direction of the mesh sheet. The holding member includes a sack-shaped sack portion into which a finger can be inserted, and the mesh sheet is arranged so that the weaving direction or the weaving width direction thereof coincides with the insertion direction of the finger in the sack portion. At the same time, it may be attached and supported on the outer surface of the sack portion.

That is, in the oral cavity cleaning tool, the user inserts the sack portion into the inside of the sack portion to find a portion of the oral cavity that needs to be cleaned, and the mesh sheet is used to operate the portion. Can be cleaned. Therefore, since the tactile sensation of the portion in the oral cavity is transmitted to the fingers through the sack portion, the user can easily find the portion requiring cleaning and can easily apply the force of the fingers for cleaning. Can be adjusted.

In addition, when cleaning the oral cavity of another person such as a caregiver or a guardian of an infant, the user of the oral cleaning tool such as the caregiver applies the force of the fingers applied to the oral cavity of the other person. It can be easily adjusted according to the tactile sensation.

Further, since the mesh sheet is attached to the sack portion, the initial shape can be maintained within a certain range even when a force due to friction or the like is applied.

The mesh sheet of the present invention may have a mesh woven with synthetic fibers.

That is, the mesh sheet has a mesh formed by weaving the warp and weft of synthetic fibers. Since the warp and the weft are entangled with each other, even when a force is applied in the surface direction of the mesh sheet due to friction between the mesh sheet and the portion in the oral cavity, one of them stops a long movement in the surface direction of the other. As a result, the mesh does not easily collapse. As a result, the oral cavity cleaning tool can easily maintain the structure of the mesh even when the portion is rubbed many times, and the cleaning effect can be maintained.

Further, on any surface of the mesh sheet, the warp threads and the weft threads are alternately exposed to the front side. Therefore, in the mesh sheet, for example, when rubbing a portion in the oral cavity in the warp direction, the side surface of the weft can scrape off the dirt on the portion. Further, for example, when rubbing a portion in the oral cavity in the weft direction, the side surface of the warp can scrape off the dirt on the portion. As described above, the oral cleaning tool can easily clean dirt regardless of the direction in which the mesh sheet is rubbed.

As described above, the present invention provides an oral cleaning tool that includes a mesh sheet having a mesh formed of synthetic fibers, and the mesh sheet can be used for new applications.

(A) It is a top view of the oral cavity cleaning tool which shows 1st Embodiment of this invention. (B) It is a front view of the oral cavity cleaning tool which shows the 1st Embodiment of this invention. It is explanatory drawing of the mesh sheet which shows the 1st Embodiment of this invention. It is explanatory drawing of the mesh sheet which shows the 1st Embodiment of this invention. It is explanatory drawing of the mesh sheet which shows the modification of the 1st Embodiment of this invention. (A) It is a photograph of the first tooth mold before cleaning in the first embodiment of the present invention. (B) It is a photograph of the first tooth mold after cleaning in the first embodiment of the present invention. It is a photograph of the oral cavity cleaning tool which shows the 1st Embodiment of this invention. (A) It is a photograph of the mesh sheet before cleaning in the first embodiment of the present invention. (B) (c) It is a photograph of the mesh sheet after cleaning in the first embodiment of the present invention. It is a front view of the oral cavity cleaning tool which shows the 2nd Embodiment of this invention. (A) It is a front view of the oral cavity cleaning tool which shows the 3rd Embodiment of this invention. (B) It is a bottom view of the oral cavity cleaning tool which shows the 3rd Embodiment of this invention. It is a front view of the oral cavity cleaning tool which shows the 4th Embodiment of this invention. It is sectional drawing of the oral cavity cleaning tool which shows the 4th Embodiment of this invention. It is a front view of the oral cavity cleaning tool which shows the 5th Embodiment of this invention. It is explanatory drawing of the mesh sheet which shows the 5th Embodiment of this invention. It is explanatory drawing of the mesh sheet which shows the 5th Embodiment of this invention. It is a front view of the oral cavity cleaning tool which shows the 6th Embodiment of this invention.

The first embodiment of the present invention will be described with reference to FIGS. 1 to 7. In FIGS. 1 (a) and 1 (b), 1 is an oral cleaning tool, and the oral cleaning tool 1 is a mesh sheet 4 having a mesh 3 woven by synthetic fibers 2v and 2h shown in FIGS. 1 (b) and 2 h. And a holding member 5 for holding the mesh sheet 4.

The oral cavity cleaning tool 1 guides the mesh sheet 4 into the oral cavity M of the user (not shown) in a state where the user holds the holding member 5 with his / her fingers.

Synthetic fibers 2v and 2h are made of polyethylene terephthalate (PET), and as shown in the enlarged view of FIG. 1B and FIG. 2, the warp threads 2v of monofilaments long in the weaving direction V of the mesh sheet 4 and the warp threads 2v orthogonal to the weaving direction V are orthogonal to each other. Includes a monofilament weft 2h long in the weaving width direction H. The warp threads 2v and the weft threads 2h have circular cross sections, and the warp threads 2v and the weft threads 2h have the same diameter.

The raw materials for the synthetic fibers 2v and 2h are not limited to polyethylene terephthalate, and may be any synthetic resin that can be spun and woven into the mesh sheet 4 and that does not cause health damage in the oral cavity M. Polyester resins other than terephthalate, polyamide resins such as nylon, and thermoplastic resins such as polyolefin resins may be used. Polyester-based resin contains polylactic acid.

The warp threads 2v and the weft threads 2h are arranged at the same pitches Pv and Ph, respectively, when viewed from the sheet thickness direction T orthogonal to the surface of the mesh sheet 4. Further, a plurality of warp threads 2v and a plurality of weft threads 2h are entwined with each other so as to form 90 degrees and woven into a plain weave.

The mesh 3 is a unit in the surface direction constituting the mesh sheet 4, and one mesh 3 includes a pair of warp threads 2v and 2v adjacent to each other in the surface direction of the mesh sheet 4 and a pair of weft threads 2h and 2h adjacent to each other. , These are composed of a pair of warp threads 2v, 2v and an opening 3h surrounded by a pair of weft threads 2h, 2h. Therefore, in the entire mesh sheet 4, a plurality of meshes 3 are continuous in the weaving direction V and the weaving width direction H.

Further, in the mesh 3, since the warp threads 2v and the weft threads 2h overlap in the sheet thickness direction T, a three-dimensional structure in the sheet thickness direction T is formed for one mesh 3a.

That is, the warp threads 2v and the weft threads 2h are inclined toward the sheet thickness direction T with respect to the weaving direction V and the weaving width direction H, respectively. Therefore, at the first corner 6a located at the upper left corner of the rectangular virtual line representing the mesh 3a as shown in FIG. 2, the weft 2h passes left and right on the front side and the warp 2v passes up and down on the back side. Further, in the second corner 6b located at the upper right corner, the warp threads 2v pass up and down on the front side and the weft threads 2h pass left and right on the back side. Similarly, in the third corner 6c located in the lower right corner and the fourth corner 6d located in the lower left corner, the warp threads 2v and the weft threads 2h pass through in the same manner as in the first corner 6a and the second corner 6b, respectively. ..

As described above, the mesh 3 has a three-dimensional structure due to the entanglement of the warp threads 2v and the weft threads 2h. Then, such a mesh 3 is continuously arranged on the mesh sheet 4. Therefore, the mesh sheet 4 has a three-dimensional structure on the entire surface.

Further, in each mesh 3, the warp threads 2v and the weft threads 2h are arranged at the same pitch Pv and Ph, respectively, and the warp threads 2v and the weft threads 2h have the same diameter. Therefore, the three-dimensional structure of the mesh sheet 4 is a structure in which the same or inverted three-dimensional structure as one mesh 3a is repeated over the entire surface.

Further, each mesh 3 is surrounded by the warp threads 2v and the weft threads 2h, and has an opening 3h that penetrates the mesh sheet 4 in the sheet thickness direction T. Therefore, the mesh sheet 4 has a porous structure in which the openings 3h are uniformly distributed over the entire surface.

As shown in the plan view shown in FIG. 1A, the mesh sheet 4 is arranged at the center of the head portion 5abc of the holding member 5 formed in a U shape in the thickness direction of the holding member 5, and FIG. As shown in the front view represented by b), the head 5abc is arranged at a position surrounded by three U-shaped sides by the tip portion 5a, the back portion 5b, and the base end portion 5c. Further, the mesh sheet 4 is arranged with respect to the holding member 5 so that the weaving direction V coincides with the vertical direction of FIG. 1B.

The holding member 5 is a molded product of a thermoplastic resin such as polypropylene, polystyrene, polyethylene, or polyethylene terephthalate, and is a grip portion extending linearly in the longitudinal direction of the holding member 5 from the head portion 5abc and the base end portion 5c of the head portion 5abc. Has 5d and. In the head portion 5abc, the mesh sheet 4 is sandwiched and held in a U shape shown in FIG. 1B from above and below in FIG. 1A. The holding member 5 fixes at least one end and the other end of the mesh sheet 4. In addition, the user grips the grip portion 5d with his / her fingers to operate the entire oral cleaning tool 1.

The holding member 5 is formed by insert molding together with the mesh sheet 4. For example, a mesh sheet material having a size obtained by adding a pinching allowance corresponding to the U-shaped three sides to the size of the mesh sheet 4 exposed after molding is inserted into the injection molding die in advance, and the mesh sheet 4 is formed. Resin is injected around and molded integrally. Further, for example, after molding together with the band-shaped mesh sheet material, the band-shaped mesh sheet material may be separated from the band-shaped mesh sheet material along the outer edge of the holding member 5.

As described above, after molding, the sandwiching allowance is sandwiched inside the holding member 5, and the mesh sheet 4 is fixed to the holding member 5. At this time, it is preferable that the raw material of the mesh sheet 4 and the raw material of the holding member 5 are the same type of thermoplastic resin, and in that case, they are easily integrated.

By insert molding, the mesh sheet 4 is fixed to the tip portion 5a, the back portion 5b and the base end portion 5c. That is, as shown in FIG. 1B, the mesh sheet 4 has a boundary between the first straight line portion 4a, which is the boundary with the tip portion 5a, the curved portion 4b, which is the boundary with the back portion 5b, and the base end portion 5c. It is fixed and supported by the holding member 5 at a second straight line portion 4c. The first straight line portion 4a, the curved line portion 4b, and the second straight line portion 4c of the mesh sheet 4 continuously form one boundary line portion 4abc with the holding member 5.

That is, even when the mesh sheet 4 receives a force in the surface direction or the sheet thickness direction T due to friction with a portion in the oral cavity M or the like, the boundary line portion 4abc in the three directions is fixed and supported by the holding member. .. Therefore, although the mesh sheet 4 undergoes some elastic deformation, elastic deformation, and plastic deformation, it does not cause a large loss of shape.

On the other hand, the third straight line portion 4e, which is the opposite side of the curved portion 4b of the mesh sheet 4, is not fixed by the holding member 5. Therefore, for example, when the mesh sheet 4 is inserted between the teeth in the oral cavity M, the user can insert the mesh sheet 4 from the third straight line portion 4e.

The head 5abc is small enough to be inserted into the oral cavity M from the user's lips, and small enough to move the mesh sheet 4 up, down, left and right in the user's oral cavity M. The grip portion 5d has a thickness sufficient for the user to grip with fingers.

With these configurations, the user can grasp the grip portion 5d with his / her fingers and insert the mesh sheet 4 into the oral cavity M. Further, after insertion, the user moves the holding member 5 in the surface direction of the mesh sheet 4 to apply the mesh sheet 4 to each part such as teeth, gums, interdental space, tongue, palate, and inner cheek in the oral cavity M. In this state, the surface of each portion can be rubbed with either surface or both sides of the mesh sheet 4.

By rubbing the surfaces of parts in the oral cavity M such as teeth and gums with the mesh sheet 4 using FIG. 3, stains S such as postprandial food waste and plaque adhering to the surfaces of these parts (not shown). Explain how it can be cleaned.

Since the mesh sheet 4 has a three-dimensional structure in which the warp threads 2v and the weft threads 2h are entangled on the entire surface, the dirt S can be scraped off by these warp threads 2v and the weft threads 2h, and the scraped dirt S can be scraped off. It can be deposited on the surface of 2v, the surface of weft 2h, or the surface of warp 2v and the surface of weft 2h.

As shown in FIG. 3, in one mesh 3a, the mesh sheet 4 passes left and right on the front side in the sheet thickness direction T at the first corner 6a, and the first weft thread 2h (i) faces downward. The side surface 7ac is exposed to the front side in the figure. Further, in the second warp thread 2v (ii) that passes up and down on the front side in the sheet thickness direction T at the second corner 6b, the side surface 7ab facing to the left is exposed on the front side in the drawing. Similarly, the second weft threads 2h (ii) and the first warp threads 2v (i) that pass through the front side of the sheet thickness direction T at the third corner 6c and the fourth corner 6d, respectively, left and right and up and down, respectively. The side surface 7bc facing upward and the side surface 7cd facing right are exposed on the front side in the drawing.

The warp threads 2v (i) and 2v (ii) are arranged at the same pitch Pv, the weft threads 2h (i) and 2h (ii) are arranged at the same pitch Ph, and the warp threads 2v (i) and 2v (ii) are arranged. Since the weft threads 2h (i) and 2h (ii) are orthogonal to each other, the mesh 3a is formed as a rectangle having the first to fourth corners 6a, 6b, 6c, and 6d as vertices.

On each side surface 7ab, 7bc, 7cd, 7ac, the attached dirt S can be scraped off in the surface direction of the mesh sheet 4 by the user rubbing each part in the oral cavity M with the mesh sheet 4. Further, the scraped dirt S is deposited on the surfaces of 7ab, 7bc, 7cd, and 7ac on each side surface.

The same applies to the case where the mesh sheet 4 is viewed from the back side in the sheet thickness direction T.

After the dirt S is deposited on the surfaces of each side surface 7ab, 7bc, 7cd, 7ac, the user pours running water, washing water, etc. on the surface of the mesh sheet 4 on the side where the part in the oral cavity M is rubbed and rinses it. Thereby, the dirt S can be removed from the mesh 3 and the oral cavity cleaning tool 1 can be washed. That is, since the side surfaces 7ab, 7bc, 7cd, and 7ac from which the dirt S has been scraped off are exposed to the front side, the dirt S can be washed away with running water, washing water, or the like from the same side.

Even when the dirt S accumulates in the opening 3h and causes clogging, the user can wash away the dirt S in the opening 3h by pouring running water, washing water, or the like from the surface of the mesh sheet 4. It can be removed from the mesh 3.

As described above, the dirt S is scraped off by the side surfaces 7ab, 7bc, 7cd, and 7ac of the mesh 3a, and the dirt S is deposited on the surfaces of the side surfaces 7ab, 7bc, 7cd, and 7ac, so that the mesh sheet 4 is formed. Dirt S can be cleaned. That is, the user prepares the oral cavity cleaning tool 1 including the mesh sheet 4 having the mesh 3 woven by the synthetic fibers 2v and 2h and the holding member 5 for holding the mesh sheet 4, and grips the holding member 5. The mesh sheet 4 can be guided into the oral cavity M, and the dirt S in the oral cavity M can be cleaned by the mesh sheet 4. Further, the user can remove the dirt S from the mesh 3 by pouring running water, washing water or the like on the surface of the mesh sheet 4, and can wash the oral cavity cleaning tool 1 after use.

Further, the user can clean the dirt S in the oral cavity M again with the cleaned oral cavity cleaning tool 1. In this way, the user can use the oral cleaning tool 1 a plurality of times by repeating the cleaning of the dirt S and the removal of the dirt S.

In FIG. 1B, the mesh sheet 4 is arranged so that the weaving direction V thereof and the vertical direction of the holding member 5 coincide with each other. However, the arrangement direction of the mesh sheet 4 is not limited to this direction. That is, the mesh sheet 4 may be arranged so that its weaving width direction H coincides with the lateral direction, and the weaving direction V is 30 degrees, 45 degrees, 60 degrees with respect to the longitudinal direction. They may be arranged at various angles.

Even if the warp threads 2v and the weft threads 2h do not have the same diameter, the diameters of the warp threads 2v and the weft threads 2h may be different as long as the warp threads 2v have the same diameter and the warp threads 2h have the same diameter. ..

Further, the cross section of the warp 2v, the weft 2h, or the warp 2v and the weft 2h does not have to be a circular cross section, and may be a deformed cross section, a square cross section, or the like.

Further, the woven fabric structure of the warp yarn 2v and the weft yarn 2h may be a twill weave, a satin weave, or the like other than the plain weave. The mesh sheet 4 may have another configuration as long as it has a mesh 3 formed of synthetic fibers 2v and 2h.

FIG. 4 shows a modified example of the mesh sheet 4 in this embodiment. FIG. 4 is a photomicrograph of a mesh filter “Tea Road Sharp” manufactured by Yamanaka Sangyo Co., Ltd. (“Tea Road” is a registered trademark) with product number 4817. In FIG. 4, 8a, 8b, 8c, 8d are heat welding points located at the first to fourth corners 6a, 6b, 6c, 6d of the mesh 3a, and the mesh at each of the heat welding points 8a, 8b, 8c, 8d. The warp threads 2v (i) and 2v (ii) and the weft threads 2h (i) and 2h (ii) constituting 3a are heat-welded to each other so as to overlap each other in the sheet thickness direction T of the mesh sheet 4. Other configurations are common to the configurations in the embodiments shown in FIGS. 1 to 3.

Since the warp threads 2v and the weft threads 2h are heat-welded in this way, when the mesh sheet 4 rubs the surface of the portion in the oral cavity M, the frictional force in the surface direction of the mesh sheet 4 is biased by the mesh 3. Even when it occurs, it is unlikely that the spacing between the adjacent warp threads 2v and the spacing between the weft threads 2h will vary.

That is, when the friction between a part of the mesh 3a and the portion in the oral cavity M is large, a large force in the surface direction of the mesh sheet 4 is applied to the part of the mesh 3a. Even in this case, since the warp threads 2v (i), 2v (ii) and the weft threads 2h (i), 2h (ii) are fixed at the respective heat welding points 8a, 8b, 8c, 8d, only the specific mesh 3a is used. Does not spread much more than the other meshes 3.

Therefore, in this modification, the variation in the size of each mesh 3 is constant even when the magnitude of friction generated between the mesh sheet 4 and the portion in the oral cavity M is different depending on the position of the mesh sheet 4 in the surface direction. By keeping it within the range, it becomes easy to keep the degree of cleaning effect of the dirt S on the entire mesh sheet 4 uniform.

Further, in this modification, since the warp threads 2v and the weft threads 2h are heat-welded to each other in the sheet thickness direction T of the mesh sheet 4, the warp threads 2v or the weft threads 2h are positioned at a biased position by one use. It is unlikely to shift. Therefore, the positions of the warp threads 2v and the weft threads 2h can be easily maintained at the initial positions even in the second and subsequent uses, and the number of times of use before disposal can be easily increased.

In addition, a part of the weft 2h of this example may include not only a monofilament but also a multifilament obtained by twisting a plurality of single fibers. However, when some of the weft threads 2h are multifilaments, they are only entangled with the warp threads 2v, and these and the warp threads 2v are not heat-welded.

By including the multifilament having a high density of fibers in a part of the weft 2h in this way, when the user rubs the portion in the oral cavity M with the mesh sheet 4 in the weaving direction V, the dirt S is more efficiently removed. Can be scraped off.

The photographs of FIGS. 5A and 5B are photographs before and after cleaning the pseudo-plaque Sa applied to the interdental portion of the first tooth type T1 by using the oral cavity cleaning tool 1 shown in the photograph of FIG. .. FIG. 5 (a) shows a state in which the first tooth mold T1 is coated with pseudo-plaque Sa imitating a stain S, and FIG. 5 (b) shows the first tooth mold T1 in the photograph of FIG. The state after rubbing with the tool 1 is shown.

In an actual usage pattern, a second tooth pattern T2 (not shown) is often arranged next to the first tooth pattern T1 with a gap G interposed therebetween. In such a case, the user grips the grip portion 5d of the holding member 5 and uses the third straight portion 4e of the mesh sheet 4 shown in FIG. 1 (b) as the first tooth mold T1 and the second tooth. It hits the gap G from the side of the tooth tip with the mold T2. Then, by pushing down the holding member 5, the mesh sheet 4 is brought into the gap G toward the tooth root.

Then, the user moves the mesh sheet 4 so that the third straight portion 4e moves up and down between the tooth tip side and the tooth root side, so that the mesh sheet 4 is moved up and down on the gap G side of the first tooth mold T1. The surface can be rubbed with one surface of the mesh sheet 4. Further, when the second tooth pattern T2 is arranged, the surface of the second tooth pattern T2 on the gap G side can be rubbed with the other surface of the mesh sheet 4.

At this time, the one surface of the mesh sheet 4 is the side surface 7ac or the second weft 2h of the first weft 2h (i) shown in FIG. 3 when the oral cleaning tool 1 is moved toward the tooth root side. Of the side surfaces 7bc of (ii), the first tooth mold T1 is rubbed by the side surfaces 7ac and 7bc facing the tooth root side. On the contrary, when it is moved toward the tooth tip side, the first tooth mold T1 is rubbed by the other side surfaces 7bc and 7ac facing the tooth tip side.

Further, the user moves the mesh sheet 4 so as to move back and forth between the lingual side and the labial side, so that the surface of the first tooth mold T1 on the gap G side is formed by the one surface of the mesh sheet 4. It can be rubbed, and the surface of the second tooth mold T2 on the gap G side can be rubbed with the other surface of the mesh sheet 4.

At this time, the one surface of the mesh sheet 4 is the side surface 7cd or the second warp 2v of the first warp 2v (i) shown in FIG. 3 when the oral cleaning tool 1 is moved toward the lingual side. Of the side surfaces 7ab of ii), the first tooth mold T1 is rubbed by the side surfaces 7cd and 7ab facing the lingual side. On the contrary, when it is moved toward the labial side, the first tooth pattern T1 is rubbed by the other side surfaces 7ab and 7cd facing the labial side.

FIG. 7A is a photograph of the mesh sheet 4 before rubbing the first tooth mold T1. Further, FIG. 7B is a photograph after the mesh sheet 4 is moved upward in the figure and rubbed against the first tooth mold T1. Further, FIG. 7C is a photograph after the mesh sheet 4 is also moved to the right in the figure and rubbed. As shown in dark colors in FIGS. 7 (b) and 7 (c), a state in which pseudo-plaque Sa imitating dirt S is deposited is shown.

In the mesh sheet 4 of FIGS. 7A, 7B, and 7C, the warp yarn 2v of the monofilament and the weft yarn 2h of the monofilament are heat-welded to each other in the sheet thickness direction T. Further, the weft threads 2h and 2h (mu) include multifilament weft threads 2h (mu).

As described above, the user moves the mesh sheet 4 up and down between the tooth tip side and the tooth root side, and moves it back and forth between the lingual side and the labial side, or moves the tooth tip side and the tooth root side. The first tooth pattern T1 can be rubbed by simultaneously reciprocating between the space and between the lingual side and the labial side.

The first tooth pattern T has irregularities on the peripheral surface including the surface on the gap G side. On the other hand, the mesh sheet 4 is fixed and supported by the holding member 5 at the boundary line portion 4abc. Therefore, the mesh sheet 4 elastically deforms and expands and contracts in the surface direction to imitate these irregularities, so that the peripheral surface of the first tooth mold T1 including the concave portions can be rubbed. As a result, the oral cleaning tool 1 can clean the pseudo plaque Sa that imitates the dirt S adhering to the peripheral surface of the tooth mold T1 including the first recess.

As described above, as shown in the photograph after cleaning shown in FIG. 5 (b), the user has a pseudo-plaque Sa that imitates the dirt S adhering to the first tooth mold 1 by the oral cleaning tool 1 provided with the mesh sheet 4. Can be cleaned.

FIG. 8 illustrates a second embodiment of the present invention. In FIG. 8, 11 is an oral cleaning tool, and the oral cleaning tool 11 includes a mesh sheet 14 having a mesh 13 woven with synthetic fibers 12v and 12h, and a holding member 15 for holding the mesh sheet 14.

The mesh sheet 14 is arranged radially inside the head frame 15a of the holding member 15 formed in an elliptical ring shape, as shown in the front view shown in FIG. That is, both the front and back surfaces of the mesh sheet 14 are not covered by the holding member 15, and the mesh 13 is exposed facing both the front side and the back side of FIG.

The mesh sheet material is integrated with the holding member 15 by insert molding, and the inner diameter of the head frame 15a is exposed so that the mesh sheet material has an elliptical shape surrounded by a boundary line portion 14a with the head frame 15a. The mesh sheet 14 of the above is formed. Further, the mesh sheet 14 is arranged with respect to the holding member 15 so that the weaving direction V coincides with the vertical direction of FIG.

The synthetic fibers 12v and 12h forming the mesh 13 of the mesh sheet 14 include a plurality of warp threads 12v and a plurality of weft threads 12h. Further, in the mesh sheet 14, since the boundary line portion 14a with the holding member 15 extends over the entire circumference of the mesh sheet 14, both ends of all the warp threads 12v and both ends of all the weft threads 12h are fixed to the head frame 15a. ..

The holding member 15 has a head frame 15a and a grip portion 15b extending linearly from one end of the head frame 15a in the long axis direction of the head frame 15a. The user grasps the grip portion 15b with his / her fingers and operates the entire oral cleaning tool 11. The other configurations are the same as those of the first embodiment.

As described above, the mesh sheet 14 is supported from both sides in the weaving direction V and both sides in the weaving width direction H. Therefore, the mesh sheet 14 is pulled in the surface direction due to friction with a portion in the oral cavity M such as the tongue and the inner cheek, whereas the holding member 15 holds the mesh sheet 14 from four directions of up, down, left, and right in the front view. Since it is supported, the force is dispersed and there is little possibility of deformation in either direction. Further, the possibility that the holding member 15 is deformed is small.

Further, since the head frame 15a of the holding member 15 has an elliptical ring shape and the mesh sheet 14 is supported from the four directions, the user moves the mesh sheet 14 in an arbitrary surface direction in the oral cavity M. Therefore, the flat surface of a part such as the tongue or the inner cheek can be easily cleaned.

Further, since both the front and back surfaces of the mesh sheet 14 are exposed, the user can easily remove the dirt S from the mesh 13 by pouring running water, washing water, etc. from both the front and back surfaces and rinsing the mesh sheet 14. The cleaning tool 11 can be washed.

The mesh sheet 14 and the holding member 15 can be easily moved by the user in the oral cavity M in the arbitrary surface direction in addition to the elliptical shape and the elliptical ring shape having the long axis in the longitudinal direction of the holding member 14, respectively. If possible, it may be formed in an annular shape, an annular shape, an elliptical shape having a major axis in a direction different from the longitudinal direction, an elliptical ring shape, or the like.

9 (a) and 9 (b) exemplify the third embodiment of the present invention. In FIGS. 9A and 9B, 21 is an oral cleaning tool, and the oral cleaning tool 21 has a mesh sheet 24 having a mesh 23 woven by synthetic fibers 2v and 2h, and a holding member for holding the mesh sheet 24. 25 and. The synthetic fibers 22v and 22h forming the mesh 23 of the mesh sheet 24 include a plurality of warp threads 22v and a plurality of weft threads 22h.

As shown in the front view shown in FIG. 9A, the mesh sheet 24 is supported by being attached to the head portion 25a of the holding member 25, which is long on the left and right, from below by heat welding. At this time, in FIG. 9A, the mesh sheet 24 is arranged so that the front surface 24f faces downward and the back surface 24b faces upward. That is, the back surface 24b of the mesh sheet 24 is fixed to the head portion 25a of the holding member 25 by heat welding.

Further, the mesh sheet 24 is arranged with respect to the holding member 25 so that the weaving direction V coincides with the vertical direction in FIG. 9B.

In the mesh 23 of the mesh sheet 24, both the warp threads 22v and the weft threads 22h are exposed on the back surface 24b side. Therefore, the mesh sheet 24 is attached to the head 25a by heat-welding both the warp 22v and the weft 22h to the lower side surface of the head 25a of the holding member 25.

The holding member 25 has a head portion 25a, a neck portion 25b continuous with the head portion 25a, and a grip portion 25c continuous with the neck portion 25b and long on the left and right sides. The neck portion 25b is inclined downward with respect to the longitudinal direction of the grip portion 25c so that the surface direction of the mesh sheet 24 forms an angle of θa downward with respect to the longitudinal direction of the grip portion 25c in the front view. The other configurations are the same as those of the first embodiment.

The user grips the grip portion 25c of the holding member 25 and guides the mesh sheet 24 into the oral cavity M so that the surface 24f of the mesh sheet 24 touches the surface of the tongue or the like. Then, the user operates the mesh sheet 24 to move back and forth between the back side and the tip side of the tongue, move left and right between the right side and the left side of the user, or move diagonally, and the tongue is moved by the surface 24f. Rub the surface of the.

At this time, the user operates the mesh sheet 24 so that the head portion 25a of the holding member 25 pushes the mesh sheet 24 from the back surface 24b to the surface surface 24f, so that the entire surface surface 24f is flattened in the oral cavity M like a tongue. It is possible to hit the surface.

Further, when the oral cleaning tool 21 is moved toward the back side of the tongue, the surface 24f of the mesh sheet 24 is the side surface 7cd or the second warp 2v (ii) of the first warp 2v (i) shown in FIG. The surface of the tongue is rubbed by the side surfaces 7cd and 7ab facing the back side of the side surface 7ab. On the contrary, when it is moved toward the tip side, the surface of the tongue is rubbed by the other side surfaces 7ab and 7cd facing the tip side.

When the oral cleaning tool 21 is moved toward the left side of the user, the surface 24f of the mesh sheet 24 is the side surface 7ac of the first weft 2h (i) or the side surface of the second weft 2h (ii) shown in FIG. Of the 7 bc, the surface of the tongue is rubbed with the side surfaces 7ac and 7 bc facing the left side. On the contrary, when it is moved toward the right side, the surface of the tongue is rubbed by the other side surface 7bc, 7ac facing the right side.

As a result, the user can efficiently clean the tongue both when the oral cleaning tool 21 is moved back and forth and when it is moved left and right.

Further, in the oral cleaning tool 21, the mesh 23 composed of the warp threads 22v and the weft threads 22h, each of which has a small surface area, rubs the surface of the tongue, so that a uniform pressure is applied to the surface of the tongue in the surface direction. be able to. Therefore, depending on the oral cleaning tool 21, the risk of damaging the surface of the tongue is small.

In the mesh sheet 24, since both the warp threads 22v and the weft threads 22h that are entangled are heat-welded to the holding member 25, the surface direction of the lower side surface of the head 25a with respect to the holding member 25 even when a force due to friction or the like is applied. It is unlikely to be displaced to. As a result, the oral cleaning tool 21 is less likely to be deformed even after use, and the initial shape can be easily maintained.

In addition to being attached to the holding member 25 by heat welding, the mesh sheet 24 may be attached by an adhesive.

10 and 11 illustrate a fourth embodiment of the present invention. In FIG. 10, 31 is an oral cleaning tool, and the oral cleaning tool 31 includes a mesh sheet 34 having a mesh 33 woven with synthetic fibers 32v and 32h, and a holding member 35 for holding the mesh sheet 34.

The oral cleaning tool 31 has a central axis C extending to the left and right in FIG. FIG. 11 is a cross-sectional view taken along the line AA of the oral cleaning tool 31 showing the cross section taken along the line AA shown in FIG. As shown in FIG. 11, the mesh sheet 34 is bent so that one sheet body alternately repeats the folded portion 34a of the mountain fold and the folded portion 34b of the valley fold, and the ridgelines of the folded portions 34a and 34b. The direction coincides with the axial direction of the central axis C, and the folded portion 34a of each mountain fold is formed into a tubular pleated shape so as to be located outside the folded portion 34b of each valley fold in the radial direction. To.

The mesh sheet 34 is arranged radially around the central axis C as shown in FIG. There are eight fold-back portions 34a for mountain folds and eight fold-back portions 34b for valley folds, and eight fold-back portions 34a for mountain folds are arranged at equal intervals, and both are arranged at a distance of r1 from the central axis C. In addition, the folded-back portions 34b of the eight valley folds are arranged at equal intervals, and all of them are arranged at a distance of r2 from the central axis C.

Further, the mesh sheet 34 has a region 34c facing the clockwise direction CL centered on the central axis C and a region 34d facing the counterclockwise direction UC also centered on the central axis C in the cross-sectional view taken along the AA line. Both have a mesh 33.

As shown in FIG. 10, the holding member 35 has a linear shaft portion 35a to which the mesh sheet 34 is fixed, and a grip portion 35b which is linearly connected to the shaft portion 35a along the central axis C. In the holding member 35, the shaft portion 35a has a substantially regular octagonal cross section, and the grip portion 35b has a square cross section.

As shown in FIG. 11, the shaft portion 35a is composed of a bundle of 16 linear members 35c. That is, each linear member 35c is arranged so as to draw a substantially regular octagon centered on the central axis C, and protrudes to the left in FIG. 10 from the end surface of the grip portion 35b.

In the mesh sheet 34, the valley-folded folded-back portion 34b is rotated from one of the clockwise CL side and the counterclockwise UC side of the linear member 35c to the central axis C side, and the clockwise CL side and the mesh sheet 34. It wraps around to the other side of the UC side in the counterclockwise direction. Further, the mesh sheet 34 is wound around the central axis C one after another around every other linear member 35c in the clockwise direction CL or the counterclockwise direction UC while forming the folded portion 34a of the mountain fold in a fold shape. During one round, eight mountain fold folds 34a and eight valley fold folds 34b are formed.

At this time, the mesh sheet 34 is held by the holding member 35 by being sandwiched and fixed between the adjacent linear members 35c. The other configurations are the same as those of the first embodiment.

The user guides the mesh sheet 34 into the oral cavity M and cleans the dirt S in the oral cavity M by grasping the grip portion 35b of the holding member 35 with his / her fingers and operating the oral cavity cleaning tool 31.

At this time, since the mesh sheet 34 has a mesh 33 in both the area 34c facing the clockwise CL on the eight sides and the area 34d facing the counterclockwise UC on the eight sides, the oral cleaning tool 31 is used for cleaning. A mesh sheet 34 having a large effective area can be provided.

Therefore, even when cleaning a wide range of parts in the oral cavity M such as the gums, palate, and inner cheeks, the user can remove a plurality of stains S scattered in these parts and stains S that spread and adhere. , The oral cavity cleaning tool 31 can be used for efficient cleaning.

Moreover, since there is a gap between the back surface of each region 34c facing the clockwise CL and the back surface of the region 34d facing the counterclockwise UC also centered on the central axis C, the user can use each region. Dirt S can be removed from the mesh 33 by pouring running water, washing water, or the like from the front and back of 34c and 34d and rinsing, and the oral cleaning tool 31 can be easily washed.

Further, for example, the user cleans each part in the oral cavity M after impregnating the mesh sheet 34 with the cleaning solution for oral cleaning by a method such as spraying, applying, or soaking in the oral cavity cleaning tool 31 after cleaning. Can be done. At this time, the cleaning liquid for cleaning the oral cavity is held in the mesh 33 of the mesh sheet 34 and guided into the oral cavity M together with the mesh sheet 34. After the induction into the oral cavity M, the pleated shape is crushed or the like, and the cleaning liquid for cleaning the oral cavity flows out from the mesh 33, thereby enhancing the cleaning effect of each part in the oral cavity M.

Since the oral cavity cleaning tool 31 of the present embodiment includes the mesh sheet 34 having a wide effective area, a larger amount of cleaning solution for oral cleaning can be held in the mesh 33.

The number of folded portions 34a of the mountain fold and the number of folded portions 34b of the valley fold of the mesh sheet 34 are not limited to eight, respectively, and the user can sufficiently clean the dirt S in the oral cavity M. If there is, it may be in the range of 3 to 20 places respectively. The fold-back portion 34a of each mountain fold does not have to be all r1 in distance from the central axis C, and if it is arranged in a pleated shape, the distance from the central axis C is different for each fold-back portion 34a of the mountain fold. You may. Similarly, the folded-back portions 34b of each valley fold do not have to have all the distances from the central axis C r2, and may be different for each folded-back portion 34b of the valley fold.

Further, the mesh sheet 34 may be wound not only around every other linear member 35c but also at a pitch of two or more. Further, it is not limited to the one sandwiched and fixed between the adjacent linear members 35c, and if it is firmly held by the holding member 35, for example, instead of the linear member 35c, an orange cross section is provided by a plurality of slits. The mesh sheet 34 may be fixed by having the shaft portion of the pillar body divided into a shape and the folded-back portion 34b of the valley fold is sandwiched between the split slits of the shaft portion.

Further, the mesh sheet 34 is not limited to the one obtained by bending one sheet body, and may be configured by connecting a plurality of, for example, strip-shaped sheet pieces.

The cleaning of the mesh sheet 34 is not limited to cleaning with running water or washing water, and may be cleaning with ultrasonic waves or a combination of ultrasonic waves and running water.

FIGS. 12-14 illustrate a fifth embodiment of the present invention. In FIG. 12, 41 is an oral cleaning tool, and the oral cleaning tool 41 holds a mesh sheet 44 having a mesh 43 woven by synthetic fibers 42v and 42h shown in FIG. 13 and a mesh sheet 44 shown in FIG. The holding member 45 is provided. The holding member 45 has a wire portion 45a and a grip portion 45b.

After weaving, the mesh sheet 44 is formed into an isosceles trapezoid as shown in FIG. 13, and a plurality of notches 9 parallel to the upper and lower bases are provided from the sides of both legs toward the center line Cm. Has been done. The notch 9 is longer as it is closer to the lower bottom according to the inclination of the isosceles trapezoidal leg. Further, the mesh sheet 44 is temporarily fastened to a wire portion 45a arranged so that a portion close to the center line Cm extends in the left-right direction at the center in the vertical direction of FIG.

The wire portion 45a is composed of one linear metal wire. The metal wire is arranged with its center folded 180 ° on the upper bottom side of the isosceles trapezoid so that both ends overlap on the lower bottom side of the isosceles trapezoid. Further, the folded metal wire sandwiches the mesh sheet 44 in the sheet thickness direction T.

The mesh sheet 44 is arranged so that the weaving width direction H coincides with the direction of the center line Cm.

Then, the wire portion 45a is twisted a plurality of times with the center line Cm as the central axis, so that the mesh sheet 44 has a screw shape as shown in FIG. 14 while the portion close to the center line Cm is sandwiched between the wire portions 45a. It is molded. As a result, the mesh sheet 44 is fixed to the wire portion 45a. At this time, the wire portion 45a is twisted a plurality of times to form an elongated spiral shape.

Further, since the screw-shaped mesh sheet 44 is preliminarily provided with a notch 9, the blades protruding in the out-diameter direction without the outer portion in the radial direction from the deepest portion of the notch 9 being sandwiched by the wire portion 45a. The portion 44a will be formed. Further, since the notch 9 closer to the lower bottom is longer, the blade portion 44a is longer in the radial direction toward the right side of FIG. As a result, the mesh sheet 44 is formed into a shape similar to a truncated cone as a whole, as shown by the virtual line in FIG.

The grip portion 45b is a molded product of a thermoplastic resin such as polypropylene, polystyrene, polyethylene, or polyethylene terephthalate, and is connected to the right side of the wire portion 45a in FIG. The grip portion 45b is formed by insert molding together with the wire portion 45a. That is, the resin is injected around the tip portion on the right side of the wire portion 45a, and the resin is integrally molded with the tip portion in the injection molding die. The other configurations are the same as those of the first embodiment.

By grasping the grip portion 45b of the holding member 45 with fingers and operating the oral cavity cleaning tool 41, the user guides the mesh sheet 44 fixed around the wire portion 45a into the oral cavity M and in the oral cavity M. Clean the dirt S.

At this time, the user can bend the wire portion 45a in advance with his / her fingers to deform the oral cleaning tool 41 into a shape that can be easily inserted into a portion such as between teeth. This makes it possible for the user to insert the oral cavity cleaning tool 41 into the intricate gap between the teeth and to insert the oral cavity cleaning tool 41 from the inside to the outside in the oral cavity M between the teeth. , It is possible to reciprocate the mesh sheet 44 in the Cm direction of the central axis in the inserted state.

Further, for example, even when the gap between the teeth is narrow, the mesh sheet 44 is formed into a shape close to the truncated cone as described above, so that the user can insert the oral cleaning tool 41. It is easy to aim and can be easily inserted from the top side of the shape close to the truncated cone.

The mesh sheet 44 has a plurality of meshes 43, and both the warp threads 42v and the weft threads 42h form each mesh 43. Therefore, for example, when reciprocating in the gap between the teeth in the direction of the central axis Cm, the mesh sheet 44 has both the side surfaces 7ab and 7cd of the warp yarn 2v and the side surfaces 7bc and 7ac of the weft yarn 2h shown in FIG. Can scrape off dirt S on the tooth surface. Therefore, the oral cleaning tool 41 can efficiently clean the tooth surface regardless of the direction in which the mesh sheet 44 rubs against the dirt S.

The number of mesh sheets 44 sandwiched between the wire portions 45a is not limited to one, and may be two or more as long as they can be twisted together with the wire portion 45a. Further, the shape is not limited to an isosceles trapezoid, and can be formed into a shape that can be inserted into a gap between teeth after being sandwiched between wires 45a, such as a rectangle or two sides in the center line Cm direction. It may be a barrel-shaped quadrilateral deformed so as to be curved in a direction away from the center line Cm.

Further, the mesh sheet 44 and the wire portion 45a may not be temporarily fastened together before being twisted, but may be fixed by an adhesive or the like before being twisted.

The wire portion 45a and the grip portion 45b are not only integrated by insert molding, but may also be assembled by inserting a part of the wire portion 45a into a hole previously formed in the grip portion 45b. The grip portion 45b may be divided into two in advance and assembled so as to sandwich the part.

The wire portion 45a does not have to be a metal wire, and may be a wire made of another material such as resin as long as it can be twisted to sandwich the mesh sheet 44. For example, "Technorot" (registered trademark), which is a plastic wire rod manufactured by Mitsui Chemicals, Inc., can be used for the wire portion 45a. This "Techno Rohto" is excellent in plastic deformability and shape retention after deformation, so that the mesh sheet 44 can be sandwiched and twisted, and the amount of return to twisting is small, and the mesh sheet. 44 can be fixed. Moreover, it is suitable for the wire portion 45a because there is little risk of damaging the teeth and gums.

FIG. 15 illustrates a sixth embodiment of the present invention. In FIG. 15, 51 is an oral cleaning tool, and the oral cleaning tool 51 includes a mesh sheet 54 having a mesh 53 woven with synthetic fibers 52v and 52h, and a holding member 55 for holding the mesh sheet 54.

The holding member 55 has a sack portion 55a formed in the shape of a thin finger cot that opens to the right in FIG. 15 by using a stretchable material such as rubber. The user can insert one finger F from the opening 55b into the inside of the sack portion 55a to attach the oral cavity cleaning tool 51. Further, the finger F to which the oral cleaning tool 51 is attached can be made to enter the oral cavity M, and the finger F can be moved so that the sack portion 55a touches the portion in the oral cavity M.

The mesh sheet 54 is attached to and supported by the holding member 55 by adhering the back surface 54b (not shown) to the outer surface of the sack portion 55a with an adhesive. When the mesh sheet 54 is attached to the finger F, the mesh sheet 54 is arranged at a position so as to cover at least the finger tip portion Fa beyond at least the first joint of the finger F inserted through the opening 55b. Further, the mesh sheet 54 is arranged with respect to the holding member 55 so that the weaving direction V coincides with the vertical direction of FIG.

In the mesh 53 of the mesh sheet 54, the warp threads 52v and the weft threads 52h are exposed on both the front surface 54a side and the back surface 54b side. That is, the mesh sheet 54 is attached to the holding member 55 by adhering both the warp threads 52v and the weft threads 2h to the outer surface of the sack portion 55a on the back surface 54b. The other configurations are the same as those of the first embodiment.

The user fits the sack portion 55a into the finger F, and pushes a part or all of the mesh sheet 54 outward from the back surface 55c of the bag body through the bag body of the sack portion 55a by the finger tip portion Fa. be able to. Then, these can be cleaned by rubbing the teeth, gums, palate, inner cheeks, and the like in the oral cavity M with the surface 54a of the mesh sheet 54.

At this time, since the finger tip portion Fa touches the portion in the oral cavity M via the thin sack portion 55a, the tactile sensation is easily transmitted to the user's finger F. Therefore, the user can easily find the part that needs cleaning, and can easily adjust the force applied to the finger F for cleaning.

Further, in the mesh sheet 54, since both the warp threads 52v and the weft threads 52h that are entangled are adhered to the holding member 55, the mesh 53 may be deformed with respect to the holding member 55 even when a force due to friction or the like is applied. small. Therefore, even when the user repeatedly rubs the portion in the oral cavity M, the oral cavity cleaning tool 51 is less likely to change its shape such as the synthetic fibers 52v and 52h fraying, and the initial cleaning effect can be maintained. ..

The number of fingers F inserted into the inside of the sack portion 55a by the user is not limited to one, and a part or all of the mesh sheet 54 is inserted by the finger tip portion Fa through the bag body of the sack portion 55a. As long as it can be pushed outward from the back surface 55c of the bag body to the sack portion 55a, two or more may be used.

The material of the sack portion 55a is not limited to rubber, and may be a synthetic resin such as a thermoplastic elastomer as long as it is a stretchable material. Further, the method of attaching the mesh sheet 54 is not limited to adhesion with an adhesive, and may be, for example, heat welding with a sack portion 55a made of synthetic resin.

Further, the mesh sheet 54 is not only arranged at a position pushed by the finger tip portion Fa, but may also be arranged so as to surround the entire circumference of, for example, the sack portion 55a.

Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention.

For example, the directions in which the mesh sheets 4, 14, 24, 34, 44, 54 are arranged with respect to the holding members 5, 15, 25, 35, 45, 55 are not limited to the directions described for each embodiment, and are the weaving directions. V and the weaving width direction H may be opposite to each other, or may be oblique.

Further, the warp threads 2v, 12v, 22v, 32v, 42v, 52v and the weft threads 2h, 12h, which form the meshes 3, 13, 23, 33, 43, 53 of the mesh sheets 4, 14, 24, 34, 44, 54, The angle at which 22h, 32h, 42h, and 52h intersect may be an angle other than 90 degrees as long as the meshes 3, 13, 23, 33, 43, and 53 can form a three-dimensional structure.

The present invention can be used as an oral cleaning tool for cleaning dirt in the oral cavity.

1,11,21,31,41,51 Oral cleaning tool 2v, 12v, 22v, 32v, 42v, 52v Warp (synthetic fiber)
2h, 12h, 22h, 32h, 42h, 52h Weft (synthetic fiber)
3,13,23,33,43,53 Mesh 4,14,24,34,44,54 Mesh sheet 5,15,25,35,45,55 Holding member 6a First corner 6b Second corner 6c Second 3rd corner 6d 4th corner 7ab, 7bc, 7cd, 7ac Side surface 8a, 8b, 8c, 8d Thermal welding point 9 Notch

Claims (2)

A mesh sheet with a mesh woven from synthetic fibers,
A holding member for holding the mesh sheet is provided.
The holding member is gripped and the mesh sheet is guided into the oral cavity.
In an oral cleaning tool in which the mesh sheet cleans the dirt in the oral cavity.
Of the plurality of warp threads and weft threads forming the mesh, some or all of the warp threads are heat-welded to some or all of the weft threads at intersections overlapping in the sheet thickness direction of the mesh sheet.
The warp and the weft have the same diameter,
The holding member includes a support portion to which the mesh sheet is attached.
The mesh sheet is an oral cleaning tool that is attached to and supported by the support portion. A mesh sheet with a mesh woven from synthetic fibers,
A holding member for holding the mesh sheet is provided.
The holding member is gripped and the mesh sheet is guided into the oral cavity.
In an oral cleaning tool in which the mesh sheet cleans the dirt in the oral cavity.
Of the plurality of warp threads and weft threads forming the mesh, some or all of the warp threads are heat-welded to some or all of the weft threads at intersections overlapping in the sheet thickness direction of the mesh sheet.
The holding member includes a sack-shaped sack portion into which fingers can be inserted.
The mesh sheet is arranged so that its weaving direction or its weaving width direction coincides with the insertion direction of the fingers in the sack portion, and is supported by being attached to the outer surface of the sack portion. Oral cleaning tool.