JPH026821Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cleaning toothbrush suitable for cleaning interdental areas and smooth surfaces of teeth.

[Conventional technology]

Generally, as a toothbrush for cleaning the interdental area, a toothbrush in which two bundles of bristles are installed in a slanted chevron shape in the bristle part so as to support each other is commonly used for rolling brushing.

There is also a known method in which bundles of hair are planted vertically on a hair transplanting table and the ends of the hair are cut into a shape similar to the tip of a knife.

[Problem that the invention attempts to solve]

The first type of toothbrush described above is a toothbrush in which the bristles of the bristles are cut in a chevron or wave shape (for example, Japanese Utility Model Application Publication No. 121765/1983, Japanese Utility Model Application No. 52
-Refer to Publication No. 107766), it has the advantage of being able to deliver the tips of the bristles to the interdental area more stably and being more durable, but the distance between the peaks formed by the two bundles of bristles There was a problem that it was difficult to clean areas other than the interdental area because the teeth were too open. In other words, when the tips of the bristles enter the interdental area due to the slanted bristles, the freedom of the bristles is restricted, the bristles do not hit the smooth surfaces of the teeth or the necks of the teeth, the cleaning effect is small, and the bristles are hard. It has the disadvantage of being a tactile brush and damaging the gums.

On the other hand, in the second type of toothbrush, unlike a normal toothbrush, the brush has a chevron-shaped cut, which leads to a decrease in the strength of the bristles and, in turn, to a decrease in durability. Also, if the tip of a bundle of brushes has only 1 to 3 bristles sticking out due to the cut at the tip of the bristles,
There was a problem in that it was difficult to feed the bristles stably to the interdental area, so the cleaning effect of the interdental area was not high.

[Means for solving problems]

The present invention aims to eliminate the above-mentioned conventional problems and provide a toothbrush that has both the interdental cleaning effect and the smooth surface cleaning effect of the teeth. In a toothbrush having a flocked part formed by planting a plurality of bristles on the bristle bed, a plurality of bundles of bristle are planted at appropriate intervals in the longitudinal direction of the bristle bed and at an angle to the bristle surface of the bristle bed. A plurality of chevron-shaped bristle portions formed by bringing together the tips of the hairs are arranged in the longitudinal direction of the bristle-planting table, and a bristle-planting table is formed by planting substantially perpendicularly to the bristle-planting surface of the bristle-planting table. This toothbrush is characterized in that a plurality of upright bristle bundles arranged in the longitudinal direction of the bristle bed are provided in parallel on the bristle bed.

〔Example〕

An example of the present invention will be described based on the drawings.
As shown in FIG. 1b, the tufting surface 2 of the tufting table 1 is provided with four rows of tufting holes in the longitudinal direction of the tufting table 1.

That is, these tuft holes are arranged at equal pitches in both the longitudinal and width directions of the tuft table,
The holes are arranged in a grid pattern except for two holes at each end in the longitudinal direction.

Of these tuft holes, the tuft hole 5 is located in the mountain-shaped bundle part 3.
Also, the tufting hole 6 is for the upright bristle part 4, and as is clear in FIG. The upright bristle part 4 is formed by planting each bristle at an angle to the grafting surface, with the tips 3 ₁ and 3 ₁ of each bristle bunched together. It is formed.

The tips of both the chevron-shaped bristle portion 3 and the upright bristle portion 4 are cut into a chevron-shaped hem along the longitudinal direction of the tufting table 1.

Regarding the chevron-shaped bundled hair portion 3, the hairs may be simply arranged in a chevron shape and the above-mentioned cut finishing may be omitted, or the chevron-shaped bundled hair portion 3, the upright bundled hair portion 4 may be omitted.
For the shape of the tip of the hair, place the chevron-shaped top on the hair transplanting table 1.
It is also preferable to have a planar shape that is approximately parallel to the flocking surface 2 (see Fig. 5 described later).Also, it is preferable to form a chevron-shaped top portion with a plurality of bundles of hairs whose tips are shaped like the tip of a knife. (See Figures 1a and 2c).

Further, in the example shown in FIG. 1, the chevron-shaped bristle portion 3 is formed by two bristle bundles, but it may be formed by three or more bristle bundles. For example, three tufting holes may be provided in the same row in the longitudinal direction of the tufting table, and the center tufting hole may be planted with upright tufts and the other holes may be slanted.
Two hair planting holes are provided at each vertex of an equilateral triangle, and each bundle of hair is planted at an angle to form a mountain shape.
Note that the number 4 ₁ indicates the tip of the upright bristle portion 4.

Next, in the case shown in FIGS. 2a, b, and c, the arrangement of the tuft holes is reversed to that of the example in FIG. 3 are arranged respectively, and the height of the flocked hair (height of the apex) of the chevron bristle portion 3 is set equal to that of the upright bristle portion 4.

Furthermore, in the brush shown in FIG. 3, the tips of the upright bristles 4 are finished into a flat shape that is almost parallel to the flocking surface 2 of the flocking table 1, and the height of the flocked bristles is changed to the chevron-shaped bristle part. 3, and the arrangement of the tufting holes is such that a chevron-shaped bristle part is formed on the outside in the width direction of the tufting table 1, as in the example in FIG. The tips of the hair can also be made into a spherical shape. In addition, one piece is placed behind the central part of each chevron hair part.
The upright tufts of the book were arranged (in each of the above examples,
It is also possible to have two upright bristle portions located behind one chevron bristle portion.

Furthermore, in the case shown in FIGS. 4a and 4b, the pitch of the tuft holes 6, 6, .

Next, to explain the effects of each of the above-mentioned embodiments, in the example shown in FIG. Since the upright bristle portion 4 is formed in which the bristles partially coincide with the bristle tips, the tips 3 ₁ of the chevron bristle portion 3 stably reach the interdental area, and next to the bristles, the tooth surfaces and The tips 4 ₁ of the upright bristles 4 that come into contact with the gums are
It acts as a buffer for the "hardness" of the bristles ₃₁ , assists in cleaning the interdental area, and at the same time can accurately brush the smooth surfaces of the teeth. Furthermore, the bristles 3 ₁ support the bristles 4 ₁ , which eliminates the sagging of the bristles 4 ₁ and significantly improves the durability of the entire toothbrush. Moreover, by setting the brush diameter of these bristles to an appropriate value, both the cleaning effect and the durability can be further improved.

Although the same effect as described above can be obtained with the example in FIG. 2, in the example in FIG. There is an advantage that the cleaning effect on the smooth surfaces of the teeth is further increased compared to the illustrated example.

[Effect of idea]

As described above, the toothbrush of the present invention has both the advantages of the chevron-shaped bristles and the advantages of the upright bristles, and is constructed so as to compensate for the shortcomings of each. This not only significantly improves both properties, but also provides practical benefits such as precisely solving the problem of stiff brushes.

[Brief explanation of the drawing]

Figures 1a and 1b show an embodiment of the present invention.
Figure a is a front view of the flocking section, Figure b is a plan view of the flocking table before flocking, and Figure 2 shows another embodiment, Figure a is a front view of the flocking part, b is a plan view of the flocked part, c is a front view of the upright bundled part,
Figures 3a and 3b show still another embodiment, Figure a is a front view of the flocking section, Figure b is a plan view of the flocking table before flocking, and Figure 4 shows still another embodiment. FIG. 5A is a front view of the bristle-planting section, FIG. 5B is a plan view of the bristle-planting stand before flocking, and FIG. 5 is a front view of the upright bristle section in another embodiment. DESCRIPTION OF SYMBOLS 1... Hair transplanting stand, 2... Hair transplanting surface, 3... Chevron tuft part, 3 ₁ ... Tip of hair, 4... Upright tuft part, 4 ₁ ... Tip of hair, 5, 6... Tube hole.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A toothbrush having a flocked part formed by planting bundles of bristles on a bristle bed, in which several bundles of bristle are placed at appropriate intervals in the longitudinal direction of the bristle bed, and A bristle transplanting table comprising a plurality of chevron bristle part rows in the longitudinal direction of the tufting table, each of which has a plurality of chevron bristle parts planted at an angle with respect to the tufting surface and formed by bringing together the ends of each tuft, and said tufting table. A plurality of upright bristle unit rows formed by installing a plurality of upright bristle units in the longitudinal direction of the bristle unit, which are formed by planting almost perpendicularly to the tufting surface of the bristle unit, are provided in parallel to the bristle unit. Toothbrush. 2. The toothbrush according to claim 1, wherein the tips of the chevron-shaped bristle portions are formed into a chevron shape with a hem extending along the longitudinal direction of the bristle bed. 3. The top of the chevron formed by the tips of the hair,
The toothbrush according to claim 2, which is formed into a plane substantially parallel to the bristle-planting surface of the bristle-planting stand. 4. The toothbrush according to claim 2, which is a registered utility model, wherein the chevron formed by the bristles is formed by a plurality of bundles of bristles each having a tip shaped like the tip of a knife. 5. The upright bristle part is formed by planting two bristle bundles at appropriate intervals in the longitudinal direction of the tufting table and approximately perpendicular to the tufting surface of the tufting table, and these Utility model registration claim 1, 2, 3, or 4, in which the ends of the two bundles form a mountain shape whose hem follows the longitudinal direction of the tufting table. The one shown is a toothbrush. 6 The top of the chevron formed by the tips of the hair,
The toothbrush according to claim 5, which is formed into a planar shape substantially parallel to the bristle-planting surface of the bristle-planting stand. 7 Utility model registration claim No. 5 in which the ends of each of the two bundles of hair are shaped like the tip of a knife.
Toothbrush as described in section. 8. The toothbrush according to claim 2, 3, or 4, wherein the bristles of the upright bristle portion are formed in a plane substantially parallel to the bristle-planting surface of the bristle-planting stand. 9. Any one of claims 2 to 8 for registering a utility model in which the tuft hole pitch of the upright bristle section row is equal to or smaller than the tuft hole pitch of the chevron bristle section row. Toothbrushes as described in Section 1.