JPH046594Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a brush for damaged hair that has good combing properties for damaged hair.

[Conventional technology]

A hairbrush includes a gripping portion and a bristle attachment portion integrally extending from the gripping portion, and these are generally made of a synthetic resin material. Brush bristles made of natural or synthetic bristles are erected in the bristle erected portion.
However, recently, instead of the bristles made of the above-mentioned material, there are brushes on the market that have bristles made of needle-shaped bodies made of synthetic resin that are integrally planted from the bristle attachment portion. This type of brush is inexpensive because the entire brush can be integrally molded from a synthetic resin material. In addition, compared to the previously mentioned type of brush bristles made of natural or synthetic bristles, due to manufacturing constraints, the density of bristles made of synthetic resin needles is smaller. Even damaged hair can be combed without causing tangles or the like. However, in recent years, the number of shampoos has increased, especially among young people, who have become accustomed to shampooing every morning. I'm getting stronger. Therefore, even with a hairbrush made of an integrally molded product of the synthetic resin described above, there is a problem in that it is not possible to smoothly comb such heavily damaged hair.

[The problem that the idea aims to solve]

In this way, with conventional hairbrushes, not only those with bristles made of natural or synthetic bristles, but also those with integrally molded hairbrushes, have good combing performance for damaged hair. The reality is that there are no products that have this.

This invention was developed in view of the above circumstances, and the purpose is to provide a brush for damaged hair that has good combability even for damaged hair, especially severely damaged hair where the surface cuticle is considerably damaged. do.

[Means to solve the problem]

In order to achieve the above object, the brush for damaged hair of this invention includes a grip part 1, a bristle attachment part 2 that integrally extends from the grip part, and a long plate-shaped movable brush that is attached to the bristle attachment part 2. Flexible base 3
In the brush equipped with the above, on the surface of the long plate-like flexible base 3, brittle rows each having a plurality of bristles 4 standing in rows at predetermined intervals are arranged in a row at predetermined intervals in the width direction, and the above-mentioned A long plate-shaped flexible base 3 is curved in an arch shape in the width direction, and each brittle is attached to the bristle attachment part 2 with each brittle standing up approximately at right angles to the surface of the base 3. Long plate-shaped flexible base 3
and a plurality of blitzles 4, with the following A component,
It is composed of an integrally molded body of a resin composition whose main component is component B, and each brittle has a diameter of d ₁ at the base and a diameter of d ₂ at the tip, and the length from the base of the bristles to the tip. Then, the configuration is such that the following expressions and are satisfied.

(A) Silicone polymer (polymer containing silicone oil, silicone resin, etc.) (B) Thermoplastic resin other than the above A component, polyamide resin, vinyl resin, and polyimide resin [However, the content of A is 2.5 in the entire resin composition.
~20% by weight. ] d ₂ = 1/3d ₁ ~ 2/3d ₁ ... () = 5d ₁ ~ 10d ₁ ... () [Function] That is, in the brush for damaged hair of this invention, the long plate-like flexible base 3, The bristle 4 is composed of the above A component and B component, and the length of the bristle 4, the diameter d ₁ of the root of the bristle 4, and the diameter d ₂ of the tip of the bristle 4 satisfy the above formula. It is configured as follows. Further, the long plate-like flexible base 3 has an arch-like cross section, and the brittle 4 stands up substantially at right angles to the surface of the base 3. Therefore, due to its structure,
It becomes highly slippery on the hair, and the Kyutakeru surface is able to perform a combing action even on severely damaged hair without causing snags, and maintains the strength of Blitzle 4. become.

Next, examples will be described.

〔Example〕

Figures 1a and 1b show an embodiment of the invention. In this brush for damaged hair, a long plate-shaped flexible base 3 and a brittle 4 to be planted from it are constructed of an integrally molded body using a silicone polymer and a polypropylene resin, and a grip part 1 and a brittle 4 extending from the base are made of an integrally molded body. The bristle attachment portion 2 is integrally formed of polypropylene resin. The long plate-like flexible base 3 is curved into an arch shape in the width direction, and each brittle 4 is erected approximately at right angles to the surface of the base 3, and the mounting material is It is attached to the bristle attachment part 2 via 2a using an adhesive. Above mounting material 2
A is made of plastic and can be inserted into the mounting part 2 above.
is attached to. As raw materials for the base 3 and brittle 4, silicone pellets consisting of 10% by weight silicone polymer (hereinafter abbreviated as "%") and 90% polypropylene resin are used as the raw material for component A, and Pellets made only of polypropylene are used as raw materials for the ingredients, and both are made up of 20% silicone pellets and 20% polypropylene pellets.
A mixture of 80% is used. In the brush configured in this way, the surface of the base 3 is curved in an arched cross section for the purpose of reducing the contact friction of damaged hair, and the brittle 4 is placed on the base 3.
It is planted approximately perpendicular to the surface. The length of the brush bristles and the diameter d of the bristles are set as follows. That is, as shown in FIG. 2, the diameter of the root of the blitzle 4 is d ₁ ,
The diameter of the tip of bristle 4 is d ₂ , and bristle 4
These are set to values that satisfy the following formula, where the length from the root to the tip is taken as the length from the root to the tip.

d ₂ = 1/3d ₁ ~ 2/3d ₁ = 5d ₁ ~ 10d ₁ (However, normally, d ₁ = 2.2 ± 1.0 mm) This allows damaged hair to pass smoothly between the brittle, and The mechanical strength weakness of the material itself is compensated for, and even if combing is repeated, the occurrence of a situation where the brittle 4 breaks even midway can be prevented.

The long plate-like flexible base 3 is curved in an arch shape and is connected to the bristle mounting portion 2 via the mounting material 2a.
Since it is attached to the base, the above-mentioned attachment strength is also increased by its restoring force. In this case, the base 3 may be directly attached to the brick attachment portion 2. In addition, in the above examples, 10% silicone polymer and 90% polypropylene
20% ratio of silicone pellets consisting of polypropylene to polypropylene pellets consisting only of polypropylene.
Although the mixture is used at a ratio of 80%, it is not limited to this. For example, a mixture of 40% silicone pellets made of 20% silicone polymer and 80% polypropylene and 60% polypropylene pellets made only of polypropylene may be used. That is, in the long plate-shaped flexible base and the brittle portion, the silicone polymer is
When blended so that it accounts for 20%, practical mechanical strength can be ensured while maintaining good combability. In addition to the above silicone pellets and polypropylene pellets, reinforcing materials, coloring materials,
Additives such as antistatic agents may be used as appropriate.

[Effect of idea]

As described above, in the brush for damaged hair of this invention, the long plate-like flexible base 3 and the brittle 4 are
It is composed of an integrally molded body consisting of the above A component and B component, and the length of the bristle 4, the diameter d ₁ of the root of the bristle 4, and the diameter d ₂ of the tip of the bristle 4 satisfy the above formula. designed to satisfy. In addition, the long plate-like flexible base 3 has an arch-like cross section, and the brittle 4 is attached to the base 3.
It stands approximately perpendicular to the surface. Therefore, due to this structure, the bristle 4 and the long plate-like flexible base 3 are in a state where they are highly slippery to the hair, and the cuetake on the surface does not get caught even on severely damaged hair. The combing action can be performed without causing the bristle to comb, and the strength of the brittle 4 can also be maintained. In addition, even if a hangnail or the like of damaged hair comes into contact with the brittle 4 during combing and is in a strongly pulled state, the brittle 4 will stretch to some extent due to the action of the B component and relieve the tension, so that the damaged hair can be removed. Cutting is now prevented.

[Brief explanation of the drawing]

Figure 1a is a perspective view of one embodiment of this invention;
Figure b is a cross-sectional view thereof, and Figure 2 is an enlarged view of the blitzle. 1... Gripping part, 2... Blitzle mounting part, 3...
... Long plate-like flexible base, 4... Blitzle.

Claims (1)

[Claims for Utility Model Registration] A brush comprising a gripping part 1, a bristle attachment part 2 extending integrally from the gripping part, and a long plate-shaped flexible base 3 attached to the brittle attachment part 2. In this method, on the surface of the long plate-like flexible base 3, brittle rows, each of which has a plurality of blitsles 4 erected in rows at predetermined intervals, are arranged at predetermined intervals in the width direction. The flexible base 3 is curved in an arch shape in the width direction, and each brittle is attached to the bristle mounting portion 2 with each bristle erected at approximately right angles to the surface of the base 3. The flexible base 3 and the plurality of blitsles 4 are constructed of an integrally molded resin composition containing the following components A and B as _main components. A brush for damaged hair, characterized in that it is configured to satisfy the following equations, where the diameter is d ₂ and the length from the root to the tip of the bristles. (A) Silicone polymer (B) Thermoplastic resin other than the above component A, polyamide resin, vinyl resin, and polyimide resin [However, the content of A is 2.5% in the entire resin composition.
~20% by weight. ] d ₂ = 1/3d ₁ ~ 2/3d ₁ … () = 5d ₁ ~ 10d ₁ … ()