JP2012019817A - Mascara brush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mascara brush which, when an application liquid is applied with the front ends of brush bristle materials, can apply a large amount of the application liquid held in the mascara brush without being rotated and which, when performing cleaning with the front ends of brush bristle materials, can perform cleaning with a large amount of a cleaning liquid held in the mascara brush without being rotated.SOLUTION: In this mascara brush 1, a large number of the brush bristle materials 5 are radially provided around a core material 6. The mascara brush has a brush portion 4 which is constituted of the radial brush bristle materials 5 gathered around the core material 6 and formed into a bundle along a core axial direction. Around the brush portion 4, there is a space 7 around the core material 6 along the core axial direction. The brush portion 4 may have hook portions bent like hooks at the front ends of the radial brush bristle materials 5. The brush portion 4 may be configured in such a way that, as viewed from the core axial direction, a central portion of the radial brush bristle materials 5 is long, and the radial brush bristle materials 5 are gradually shortened from the central portion toward the sides.

Description

  The present invention particularly relates to a mascara brush for applying a coating liquid such as mascara to the hair to be coated or for cleaning the coating liquid.

  Conventionally, as disclosed in Patent Document 1, a mascara brush usually has a large number of brush bristle materials sandwiched between two folded core members, and the core material is rolled up so that a large number of brush bristle materials radiate from the core material. In general, the handle is formed of a handle in which the base end of the core member is embedded and fixed.

JP-A-5-228018

  In such a mascara brush, since the brush bristle material is continuous in a spiral shape, the lower surface of the eyelashes is applied with a coating liquid at the tip of the brush bristle material or washed with a cleaning liquid. Therefore, in the application of mascara, for example, only the substantially lower surface of the eyelashes is applied, and the cleaning liquid on the side surfaces and the upper surface cannot be wiped only by the lower surface of the eyelashes even by cleaning. Furthermore, since the mascara brush has a circular cross section, it cannot be applied with a coating solution or wiped with a cleaning solution unless it is rotated.

  The present invention has been made in view of such circumstances, and it is possible to apply a large amount of the coating liquid without applying the coating liquid at the tip of the brush bristle material or rotating it when cleaning. Another object of the present invention is to provide a mascara brush that can be washed with a large amount of cleaning liquid.

  In order to solve the above-mentioned problems and achieve the object, the mascara brush of the present invention has a large number of brush bristle materials radially provided around the core material, and the radial brush bristle material is the core material. It has a brush part which is collected in the center and formed in a bundle shape along the core axis direction, and has a space part along the core axis direction around the core material around the brush part. To do.

  In the brush portion, it is preferable that a tip of the radial brush bristle is pointed like a needle. Moreover, the said brush part can have a key part bent in the key shape at the front-end | tip of the said radial brush bristle material. Further, the brush portion may be formed so that the central portion of the radial brush bristle material is long and viewed from the central portion toward the side as viewed from the core axis direction.

  A plurality of the brush portions may be provided, and the plurality of brush portions may be arranged at symmetrical positions with the core material as the center when viewed from the core axis direction. Further, a plurality of the brush portions may be provided, and the plurality of brush portions may be arranged at a position having an acute angle with the core material as the center when viewed from the core axis direction. Further, a plurality of the brush portions may be provided, and the plurality of brush portions may be arranged at positions that become the vertices of a polygon when viewed from the core axis direction. Further, a plurality of the brush portions may be provided, and the plurality of brush portions may be arranged at equal intervals along a circular circumference when viewed from the core axis direction. Further, a plurality of brush portions may be provided, and the plurality of brush portions may be arranged at equal intervals along a semicircular circumference as viewed from the core axis direction.

  The brush portion is formed by processing the radial brush bristle material by at least pressurization, heating, ultrasonic waves, or high frequency, and collecting the core material in the center to form a bundle along the core axis direction. But you can. The brush portion has a plurality of lateral grooves extending radially around a core material.

  In the brush portion, a plurality of lateral grooves extending radially about the core material are formed in the radial brush bristle material by processing with a groove forming jig, and the brush portion does not have the groove forming jig attached thereto. State. Further, the brush portion is formed with a plurality of lateral grooves extending radially about the core material in the radial brush bristle material by holding a brush cover having a groove forming portion on the core material. The brush cover is attached.

  According to the above configuration, the present invention is a bundle of brush bristle materials having a radial brush portion, centered on the core material, and bundled along the core axis direction. Since the brush part contains a large amount of the application liquid and has a space around the core part along the core axis direction around the brush part, the application liquid can be applied to the lower surface of the eyelashes without rotating the brush part. Can be applied. In addition, when cleaning the eyelashes with the cleaning liquid, the blush-shaped brush part contains a large amount of cleaning liquid, and the lower surface, side surface, and upper surface of the eyelashes are cleaned by the side surface of the brush part without rotating the brush part. The washed liquid can be wiped off.

  When the tip of the radial brush bristle material is pointed like a needle, the brush portion can be applied with fine lashing by applying the eyelashes with the needle-like tip. Moreover, a brush part has a key part bent in the shape of a key at the front-end | tip of a radial brush bristle material, and a key part can be entangled with an eyelash and can be apply | coated effectively or wash | cleaned. In addition, the brush part has a long central part of the radial brush bristle member as viewed from the core axis direction, and the brush part is formed to be shorter from the central part toward the side part, so that the tip part of the brush part has a sharp shape. The eyelashes can be spread and finely applied or washed by the tip of the brush part.

  In addition, a plurality of brush portions are provided, and the plurality of brush portions are arranged at symmetrical positions with the core material as the center when viewed from the core axis direction, thereby ensuring a wide space portion and applying a coating liquid to the plurality of brush portions. Can be applied with a lot of cleaning solution, and can be cleaned with a lot of cleaning solution with a lot of cleaning solution. It can be wiped off, and the brush part is not rotated, so the eyelashes are not damaged.

  In addition, a plurality of brush portions are provided, and a plurality of brush portions are disposed at an acute angle with the core material as the center when viewed from the core axis direction, thereby securing a space portion between the plurality of brush portions. It can be applied with a lot of coating solution, and can be cleaned with a lot of cleaning solution with a lot of cleaning solution, and the lower and side surfaces of the eyelashes and the upper surface can be cleaned by the side of the brush. The liquid can be wiped off and the brush portion is not rotated, so the eyelashes are not damaged.

  Also, a plurality of brush portions are provided, and the plurality of brush portions are arranged at positions that become the vertices of the polygon when viewed from the core axis direction. A plurality of brush portions are provided, and a plurality of brush portions are provided in the core axis direction. As viewed from the center, arranged at equal intervals along a circular circumference, and a plurality of brush parts are provided, and a plurality of brush parts are seen along the semicircular circumference as seen from the core axis direction. For those arranged at intervals, a wide space is ensured between the plurality of brush portions, and a large amount of coating liquid can be applied, and a large amount of cleaning liquid can be applied and washing can be performed with a large amount of cleaning liquid. In addition, the lower surface, side surface, and upper surface of the eyelashes can be washed by the side surface of the brush portion, and the washed liquid can be wiped off. Further, since the brush portion is not rotated, the eyelashes are not damaged. Furthermore, depending on the arrangement position of the brush part, both sides of the brush part will be inclined, the brush bristle material becomes shorter and the brush bristle material becomes denser as it gets closer to the core axis in the brush center direction, Can be finely crushed when used in a cleaning solution. Therefore, if you want to brush the eyelashes roughly, comb the brush bristle at the tip of the brush part where the brush bristle material is not dense. I whisper in the part that is. The brush part is a radial brush bristle material that is processed by at least pressurization, heating, ultrasonic waves, or high frequency, and is reliably collected around the core material and formed into a bundle shape along the core axis direction. is there.

  The brush portion has a plurality of lateral grooves extending radially around the core material. The plurality of lateral grooves contain a large amount of coating liquid and cleaning liquid, and can be applied to the eyelashes or washed. In the brush part, a plurality of horizontal grooves extending radially around the core material are formed in the radial brush bristle material by processing with a groove forming jig, and the brush part is in a state where no groove forming jig is attached, It is light and easy to use because no groove forming jig is provided.

  In the brush part, a plurality of lateral grooves extending radially around the core material are formed in the radial brush bristle material by holding the brush cover on the core material, and the brush part is in a state where the brush cover is attached and used As a result, deformation of the plurality of lateral grooves is suppressed, and durability is improved.

It is a structure of the mascara brush of 1st Embodiment. It is a figure explaining the manufacturing method of a mascara brush. It is a figure explaining use of a mascara brush. It is a figure explaining the structure of the modification 1 of 1st Embodiment. It is a figure explaining the structure of the modification 2 of 1st Embodiment. It is a figure explaining the structure of the modification 3 of 1st Embodiment. (A), (b) is a figure which shows the mascara brush of 1st Embodiment, (c) thru | or (e) is a figure explaining the manufacturing method of a mascara brush. It is a figure explaining use of a mascara brush. (A) thru | or (d) is a figure explaining the structure of the modification 1 of 2nd Embodiment, (e), (f) is a figure explaining the structure of the modification 2 of 2nd Embodiment. is there. (A), (b) is a figure which shows the mascara brush of 3rd Embodiment, (c) thru | or (e) are the figures explaining the manufacturing method of a mascara brush. (A), (b) is a figure which shows the mascara brush of 4th Embodiment, (c) thru | or (e) is a figure explaining the manufacturing method of a mascara brush. It is a figure which shows the structure of the mascara brush of 5th Embodiment. It is a figure explaining the manufacturing method of a mascara brush. It is a figure explaining the structure of the mascara brush of 5th Embodiment. It is a figure explaining the structure of a brush cover. It is a figure explaining the structure of the modification 1 of 5th Embodiment.

Hereinafter, embodiments of the mascara brush according to the present invention will be described. The embodiment of the present invention shows the most preferable mode of the present invention, and the present invention is not limited to this.
[First Embodiment]
(Composition of mascara brush)
This embodiment will be described with reference to FIG. The mascara brush 1 of this embodiment has a grip portion 2 and a brush body 3 having a cross section formed in a substantially rectangular shape from the proximal side to the distal end side as an overall appearance shape at the distal end of the grip portion 2. The brush body 3 has two brush portions 4. In this brush portion 4, a large number of brush bristle materials 5 are provided radially around the core material 6, and the radial brush bristle materials 5 are gathered around the core material 6 and bundled along the core axis direction L <b> 1. It is formed in a shape, and has a space portion 7 around the core portion 6 along the core axis direction L1 around the brush portion 4.

  The brush portion 4 is formed in a bundle shape along the core axis direction L1 by collecting the radial brush bristle material 5 by at least pressurization, heating, ultrasonic waves, and high frequency, and collecting the core material 6 at the center. In this embodiment, it is gathered in the width of the core material 6 and formed into a flat plate shape.

  Further, the two brush portions 4 are in a symmetrical position so as to be linear with the core material 6 as the center. As shown in FIG. The formed flat thickness H1 is larger than the diameter D1 of the core material 6. If the flat plate thickness H1 is substantially the same as the diameter D1 of the core material 6, it can be applied to a narrow gap or washed, and if it is formed approximately three times larger than the diameter D1, it is wide. It can be applied to the gap or washed.

  Further, the brush portion 4 is aligned so that the front end portions 5a of a large number of brush bristle materials 5 are planar, and is parallel to the core axis direction L1 of the core material 6 from the hand to the front end. Thus, the two brush parts 4 are formed in the symmetrical position centering on the core material 6, and the space part 7 is easily ensured between the brush parts 4 formed in the symmetrical position. As shown in FIG.1 (c), when the front-end | tip of the radial brush bristle material 5 is sharp in the shape of a needle | hook, the brush part 4 can slash an eyelash with a needle-like front-end | tip and can apply | coat and wash | clean finely. .

(Manufacturing method of mascara brush)
Next, the manufacturing method of the mascara brush 1 is demonstrated based on FIG. In the case of this embodiment, the brush main body 3 has a large number of brush fibers in the extending direction between the cores 6 of the stainless wire bent so as to have a thickness of 0.1 to 2.0 [mmφ]. In a state where the brush bristle materials 5 are sandwiched so as to be arranged (FIG. 2A), the core material 6 is twisted to linearly outward with the twisted core material 6 as the center. The brush bristle material 5 is planted so as to protrude, and a large number of brush bristle materials 5 are provided radially around the core material 6 (FIG. 2B).

  As the brush bristle material 5 made of a large number of brush fiber materials, one end may be pointed like a needle (FIG. 2C), or both ends may be pointed like a needle (FIG. 2D). As the brush fiber material, a fiber material of a synthetic resin material (nylon, tetron, polyester, polypropylene, etc.) of 0.028 to 0.3 [mmφ] can be used, and the material and size of the core material 6 and the brush bristle material 5 can be used. The shape and the like can be freely selected depending on the intended use of the brush tool.

  In a state where a large number of brush bristle materials 5 are provided radially around the core material 6, when viewed from the core axis direction of the core material 6, the large number of brush hair materials 5 have a perfect circle shape. The four bristle jigs 50 are inserted in the direction of the core material 6 into the brush bristle material 5 (FIG. 2 (e)), and the radial brush bristle material 5 uses the four molding jigs 50 to attach the core material 6. By gathering them so as to be in the center and passing current through the four molding jigs 50, Joule heat is generated and heated, and the collected radial brush bristle materials 5 are pressed and heated into a flat plate shape (FIG. 2 (f )). Thus, as shown in FIG. 1, the brush part 4 formed by forming many brush bristle materials 5 in the shape of a plate along the core axis direction of the core material 6 by pressure heating is formed. The brush portion 4 is formed at a symmetrical position around the core material 6, and a space portion 7 along the core axis direction L <b> 1 centering on the core material 6 is formed between the brush portions 4 formed at the symmetrical position. It is formed.

  In this embodiment, the radial brush bristle material 5 collected by generating Joule heat is pressed and heated in a bundle by passing an electric current through the forming jig 50. It may be pressed to form a bundle, or the radial brush bristle material 5 is softened and bent by heating the base of the brush bristle material 5 in a state where the radial brush bristle material 5 is collected. It may be.

  Further, in a state where the radial brush bristle materials 5 are collected, the base of the brush bristle material 5 is irradiated with ultrasonic waves or high frequencies, and the brush bristle materials 5 are plastically deformed by the ultrasonic waves or high frequencies, thereby the brushes. The base of the bristle material 5 may be bent so that the radial brush bristle material 5 is bundled.

(Use of mascara brush)
The use of the mascara brush 1 will be described with reference to FIG. When the mascara brush 1 is used for liquid application, for example, the brush body 3 is placed in a liquid container in which the application liquid is stored, and the application liquid is applied to the brush unit 4 in order to adhere the application liquid to the bunch-shaped brush bristle material 5. At this time, the bristle material 5 of the bundle-like brush portion 4 is squeezed by packing or the like provided at the mouth of the liquid container. After this squeezing, the coating liquid can be accumulated on the brush bristle material 5 of the bundle-like brush part 4, so that a large amount can be applied to the eyelashes 60. The coating solution can be applied uniformly by spreading each of the above.

  That is, when applying the application liquid to the eyelashes 60, as shown in FIG. 3A, the brush bristle material 5 of the bundle-like brush part 4 contains a large amount of application liquid, and the bundle-like brush part. 4 has a space portion 7 along the core axis direction around the core material 6, and is moved in the direction of the arrow without being rotated by the bundle brush portion 4. The coating solution can be applied to the eyelashes 60 from the side.

  Further, the brush portion 4 has a flat plate-like thickness H1 formed by a large number of brush bristle materials 5 larger than the diameter D1 of the core material 6, so that the eyelashes 60 can be replaced with a larger number of brush bristle materials 5 of the brush unit 4. As a result, the coating solution can be applied more uniformly by spreading one by one.

  Moreover, the brush part 4 is aligned so that the front-end | tip parts 5a of many brush bristle materials 5 may become planar shape, and when using as a liquid application brush, the length of many brush bristle materials 5 has gathered. As a result, it is possible to apply the coating solution more uniformly so that many eyelashes 60 are spread one by one.

  When the eyelashes 60 are cleaned with the cleaning liquid, as shown in FIG. 3B, a bundle of brushes 4 is made to contain a large amount of cleaning liquid, and the core material 6 is placed around the bundled brush parts 4. Since the space 7 along the core axis direction is centered on the center of the brush, it is moved in the direction of the arrow from the side surface of the bundle-like brush portion 4 without being rotated by the bundle-like brush portion 4, and is moved by the side surface of the brush portion 4. The lower surface, side surfaces, and upper surface of the eyelashes can be washed, and the washed liquid can be wiped off. Further, since the brush portion is not rotated, the eyelashes are not damaged.

(Modification 1 of the first embodiment)
Next, Modification 1 of the first embodiment will be described with reference to FIG. In the first modification of the first embodiment, the two brush portions 4 are in symmetrical positions so as to be linear with the core material 6 as the center, and the brush portions 4 are gathered in the width of the core material 6. It is formed in a flat plate shape.

  The brush part 4 in FIG. 4A has a key part 5b bent into a key shape at the tip of the radial brush bristle material 5, and this key part 5b is entangled with the eyelashes 60 and is effectively applied or washed. be able to. The brush portion 4 in FIG. 4B has a long central portion of the radial brush bristle material 5 as viewed from the core axis direction L1, and is formed so as to be shorter from the central portion toward the side portion. The tip 5c has a sharp shape, and the tip 5c of the brush portion 4 can be used to spread the eyelashes 60 for fine application or cleaning.

  The brush portion 4 in FIG. 4 (c) is obtained by spreading the tip portion 5d of the radial brush bristle material 5 outward, and the spread tip portion 5d enters between the eyelashes 60 and is effectively applied or washed. can do.

  The mascara brush 1 in FIG. 4D has a short brush bristle portion 5e centered on the core material 6 between the two brush portions 4, and the short brush bristle portion 5e also has a coating liquid or The cleaning liquid accumulates and can be applied or cleaned by the short brush bristle portion 5d. The mascara brush 1 of FIG.4 (e) and FIG.4 (f) has the part 5f of the short bristle material centering on the core material 6 like the mascara brush 1 of FIG.4 (d), but FIG. In the embodiment of e), the two brush portions 4 are formed so as to extend in the orthogonal direction, and in the embodiment of FIG. 4F, the two brush portions 4 are arranged in two directions. And has the same effect as the mascara brush 1 of FIG. 4 (d).

  The mascara brush 1 in FIG. 4G has a configuration in which one of the two brush portions 4 is shortened, and the mascara brush 1 in FIG. 4H is a single brush portion 4 with the core material 6 as the center. It is the structure which has the space part 7 along a core-axis direction.

  The mascara brush 1 shown in FIG. 4 (i) has a configuration in which the two brush portions 4 are bent in a wave shape when viewed from the core axis direction, and the coating liquid and the cleaning liquid are also accumulated in the two brush portions 4. It can apply | coat and wash | clean using the coating liquid and washing | cleaning liquid which accumulated on the brush part 4. FIG.

(Modification 2 of the first embodiment)
Next, Modification 2 of the first embodiment will be described with reference to FIG. In the second modification of the first embodiment, the brush portion 4 is gathered in the width of the core material 6 and formed into a flat plate shape. The brush portion 4 is rectangular, but the rectangular shape may be deformed or separately brushed. For example, a hair material is added. In this embodiment, the same configurations as those of the first modification of the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the embodiment of FIG. 5 (a), the two brush portions 4 are provided at symmetrical positions, but are tapered toward the tip, and in the embodiment of FIG. In the embodiment of FIG. 5 (c), the central portion is narrowed, and these are effectively applied using the changed tapered portion of the brush portion 4. Or can be washed.

  In the embodiment of FIG. 5 (d), the tip side from the center is the same as the embodiment of FIG. 5 (c), but the brush bristle material 5 is radial from the center to the hand side. In the embodiment of 5 (e), the four brush portions 4 are provided at symmetrical positions on the tip side from the center portion, and are tapered toward the tip portion. The short brush bristle material 5 is radial, and in the embodiment shown in FIG. 5 (f), the four brush portions 4 are provided at symmetrical positions on the hand side from the center portion, and a corresponding pair of brush portions 4 are provided. The brush bristle material 5 is shorter than the other pair of brush portions 4 facing each other and is shorter than the brush portion 4 from the center portion to the tip end side.

  In the embodiment of FIG. 5 (g), the four brush portions 4 are provided at symmetrical positions on the hand side from the center portion, and are configured in the same manner as in the embodiment of FIG. 5 (f). The brush bristle material 5 is radial so that it tapers from the same length as the brush part 4, and these can be effectively applied using the radial part of the brush part 4 and the brush bristle material 5. Can clean plaque.

  In the embodiment of FIG. 5 (h), the brush portion 4 is formed so as to be spiral around the core material 6, and the brush portion 4 is changed into various shapes. Thus, since the brush part 4 is formed in the spiral shape centering on the core material 6, when using as a liquid application brush, the packing provided in the opening | mouth part of the liquid container when taking out from a liquid container is used. The brush bristle material 5 of the brush part 4 is squeezed by, for example, and after this squeezing, the coating liquid can be accumulated on the brush bristle material 5 of the brush part 4 and the coating liquid is applied between the spiral brush parts 4 And cleaning liquid can be accumulated. A large amount can be applied to the eyelashes 60 by this liquid pool, and the coating solution and the cleaning liquid can be uniformly applied by rotating the brush bristle material 5 of the brush portion 4 so as to spread the eyelashes 60 one by one.

(Modification 3 of the first embodiment)
Next, a third modification of the first embodiment will be described with reference to FIG. In the third modification of the first embodiment, the brush portion 4 is collected in the width of the core member 6 and formed into a flat plate shape, but another member is added. In this embodiment, the same configurations as those of the first modification of the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the embodiment of FIG. 6A, the brush body 3 has two brush portions 4 at symmetrical positions, and is arranged so that the core material 6 is positioned on the shaft portion 70 of the molding die. The tip protrudes forward from the shaft portion 70, and a number of protrusions 70 a are formed on the shaft portion 70. Two brush portions 4 are tapered at the tip of the brush body 3.

  In the embodiment shown in FIG. 6B, the core material 6 is disposed on the shaft portion 70 of the molding die as in the embodiment shown in FIG. Many are formed continuously in the direction. In the embodiment of FIG. 6C, the brush body 3 has one brush portion 4, the core material 6 is disposed on the semicircular shaft portion 70 of the molding die, and the tip of the brush body 3 is the shaft portion. Projecting forward from 70, a large number of grooves 70 b are continuously formed in the shaft portion 70 in the axial direction.

  In the embodiment of FIG. 6D, the brush body 3 has one brush portion 4, the core material 6 is disposed on the semicircular shaft portion 70 of the mold, and the shaft portion 70 has a protrusion 70a. Many are formed. In the embodiment of FIG. 6 (e), the brush body 3 has one brush portion 4, the core material 6 is disposed on the semicircular shaft portion 70 of the molding die, and the shaft portion 70 has a comb 72. Is formed. In the embodiment of FIG. 6 (f), the brush body 3 has one brush portion 4, and the core material 6 is disposed between the left and right combs 72.

  Thus, since the brush part 4 is the structure combined with the application part of the comb or the shaping | molding die which apply | coats a coating liquid to an axial direction, it apply | coats large quantities, for example to eyelashes, using a comb or the application part of a shaping | molding die, and a brush By applying the bristle material 5 of the part 4 to spread the eyelashes one by one, the coating solution can be uniformly applied or washed.

[Second Embodiment]
(Composition of mascara brush)
This embodiment will be described with reference to FIGS. 7 (a) and 7 (b). The mascara brush 11 of this embodiment has a grip portion 12 and a brush body 13 having a cross section formed in a substantially rectangular shape from the proximal side to the distal end side as an overall appearance shape at the distal end of the grip portion 12. The brush body 13 has two brush portions 14, and the brush portion 14 is provided with a large number of brush bristle materials 15 centering around a core material 16, and the radial brush bristle material 15 is composed of a core. The material 16 is collected in the center and formed into a bundle shape along the core axis direction L21, and the space portion 17a. 17b.

  The brush part 14 processes the radial brush bristle material 15 by at least pressurization, heating, ultrasonic waves, and high frequency, as in the first embodiment, and collects the core material 16 around the core material 16 in the core axis direction. It is the structure formed in the bundle shape along L21.

  The two brush portions 14 are arranged at a sharp angle with the core material 16 as the center when viewed from the core axis direction. In this embodiment, the two brush portions 14 are V-shaped with the core material 6 as the center. A narrow space 17a is secured between the brush portions 14 arranged at an acute angle, and a wide space 17b is secured around the two brush portions 4. The brush part 14 is arranged so that the front-end | tip parts 15a of many brush bristle materials 15 may become planar shape.

(Manufacturing method of mascara brush)
Next, the manufacturing method of the mascara brush 11 is demonstrated based on FIG.7 (c), (d), (e). In the case of this embodiment, the brush body 13 is in a state in which a large number of brush bristle materials 15 are provided radially around the core material 16. The material 15 has a perfect circle shape (FIG. 7C). Three forming jigs 50 are inserted in the direction of the core 16 (see FIG. 7 (d)), and the forming jigs 50 on both sides are directed to the central forming jig 50. The radial brush bristle material 15 collected by applying heat to the three forming jigs 50 is pressed and heated into a flat plate shape (FIG. 7E). In this way, two brush portions 14 formed by forming a large number of brush bristle materials 15 in a flat plate shape along the core axis direction of the core material 16 by pressure heating are formed as shown in FIG. .

(Use of mascara brush)
When applying the application liquid to the eyelashes 60, the mascara brush 11 secures a space portion 17a between the brush portions 14 as shown in FIG. 8A, and the application liquid is applied to the space portion 17a. Since the space portion 17a is supplied from the space portion 17a to the brush portion 14 so as to be included in a large amount, and the space portion 17b is provided around the brush portion 14 along the core axis direction around the brush portion 14, the brush The coating liquid can be applied to the eyelashes 60 from the side surface of the bundle-like brush portion 14 by being moved in the arrow direction without being rotated by the portion 14.

  Further, when the eyelashes 60 are washed with the washing liquid, as shown in FIG. 8B, the washing liquid is accumulated in the space portion 17a between the bundled brush portions 14, and is supplied from the space portion 17a to the brush portion 14. Since the space portion 17b is provided around the brush portion 14 along the core axis direction around the brush portion 14, the bunch-like brush portion 14 is not rotated by the brush portion 14. It moves from the side in the direction of the arrow, and the lower surface, side surface, and upper surface of the eyelashes are washed by the side surface of the brush portion 14, and the washed liquid can be wiped off. Absent.

(Modification 1 of the second embodiment)
Next, Modification 1 of the second embodiment will be described based on FIGS. 9A, 9B, 9C, and 9D. In the first modification of the second embodiment, the plurality of brush portions 14 are arranged at an acute angle centered on the core member 16 when viewed from the core axis direction, and the brush portion 14 is rectangular. Is.

  In the embodiment of FIG. 9A, three brush portions 14 are arranged at an acute angle with the core material 16 as the center when viewed from the core axis direction. In between, there is a space portion 17a, and around the brush portion 14, there is a space portion 17b along the core axis direction around the core material 16.

  In the embodiment of FIG. 9B, the four brush portions 14 are arranged at positions with an acute angle centered on the core material 16 when viewed from the core axis direction. In between, there is a space portion 17a, and around the brush portion 14, there is a space portion 17b along the core axis direction around the core material 16.

  In the embodiment of FIG. 9C, the two brush portions 14 are arranged at an acute angle with the core material 16 as the center when viewed from the core axis direction, and the two brush portions 14 are further arranged. It arrange | positions in a symmetrical position centering | focusing on the core material 16, has the space part 17a between the two brush parts 14, and was along the core-axis direction centering on the core material 16 around the brush part 14. It has a space 17b.

  In the embodiment of FIG. 9 (d), the two brush portions 14 are arranged at a position having an acute angle with the core member 16 as the center when viewed from the core axis direction. Is a state in which the brush bristle material 15 is provided radially around the core material 16, and has a space portion 17 b along the core axis direction around the core material 16 only around one brush portion 14.

(Modification 2 of the second embodiment)
Next, Modification 2 of the second embodiment will be described based on FIGS. 9 (e) and 9 (f). In the second modification of the second embodiment, the plurality of brush portions 14 are arranged at positions with an acute angle centered on the core member 16 when viewed from the core axis direction. This is a collection of 14. In this embodiment, the same components as those of the first modification of the second embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the embodiment of FIG. 9 (e), two brush portions 14 are arranged at an acute angle with the core member 16 as the center when viewed from the core axis direction, gathered together, and this brush is further integrated. The portions 14 are arranged at symmetrical positions with the core material 16 as the center, and there are space portions 17b between the two brush portions 14 gathered together.

  In the embodiment of FIG. 9 (f), the brush portion 14 is gathered together with the core member 16 as a center when viewed from the core axis direction, and the space around the brush portion 14 is centered on the core member 16. It has a portion 17b.

[Third Embodiment]
(Composition of mascara brush)
This embodiment will be described with reference to FIGS. 10 (a) and 10 (b). The mascara brush 21 of this embodiment has a grip portion 22 and a brush main body 23 having a cross section formed in a substantially rectangular shape from the proximal side to the distal end side as an overall appearance shape at the distal end of the grip portion 22. The brush body 23 has three brush portions 24, and the three brush portions 24 are arranged at positions that are the apexes of a triangle when viewed from the core axis direction. In the brush portion 24, a large number of brush bristle materials 25 are provided radially around the core material 26, and the radial brush bristle materials 25 are gathered around the core material 26 and bundled along the core axis direction L31. It is formed in a shape and has a space portion 27a around the brush portion 24 along the core axis direction L31 around the core material 26.

  The brush portion 24 processes the radial brush bristle material 25 by at least pressurization, heating, ultrasonic waves, and high frequency, as in the first embodiment, and collects the core material 26 around the core material in the direction of the core axis. It is the structure formed in the bundle shape along L31, and is gathered in the width | variety of the core material 26 in this embodiment, and is formed in flat form.

(Manufacturing method of mascara brush)
Next, the manufacturing method of the mascara brush 21 is demonstrated based on FIG.10 (c), (d), (e). In the case of this embodiment, the brush body 23 is in a state in which a large number of brush bristle materials 25 are provided radially around the core material 26. The material 25 has a perfect circle shape (FIG. 10C). Then, a large number of perfect circular bristle materials 25 are cut into a triangular shape when viewed from the core axis direction of the core material 26 (FIG. 10D), and three molding jigs 50 are formed into the core material 26. Inserted in the direction (FIG. 10E), the radial brush bristle material 25 collected by applying heat to the three forming jigs 50 is heated in a flat plate shape. As described above, the mascara brush 21 is configured such that the three brush portions 24 are arranged at the positions of the vertices of the triangle when viewed from the core axis direction L31 and the space portion 27a is secured between the three brush portions 24. become.

(Use of mascara brush)
In this mascara brush 21, the three brush portions 24 are arranged at positions that become triangular apexes when viewed from the core axis direction L <b> 31, and a space portion 27 a is secured between the three brush portions 24. A large amount of coating liquid can be applied by adding a large amount of coating liquid to each brush portion 24 and storing the coating liquid in the space 27a, and similarly, a large amount of cleaning liquid can be included and washing can be performed with a large amount of cleaning liquid. Can do.

  Moreover, it can apply | coat to the lower surface, side surface, and upper surface of an eyelash by the side surface of the brush part 24, can wash | clean, and also can wipe away the wash | cleaned liquid. Moreover, since the brush part 24 is not rotated, it does not hurt an eyelash.

  Further, both side portions of the brush portion 24 are inclined, and the brush bristle material 25 becomes shorter and the brush bristle material 25 becomes denser as it becomes closer to the core axis in the center of the brush. Can be crushed in detail. Therefore, when it is desired to comb the eyelashes roughly, the brush bristle material 25 at the tip of the brush part 24 is sowed at a portion where the eyelashes are not densely packed. It can be crawled in the part where 25 is crowded.

(Modification 1 of 3rd Embodiment)
Next, Modification 1 of the third embodiment will be described with reference to FIGS. The mascara brush 21 of this embodiment has four brush portions 24, and the four brush portions 24 are arranged at positions that become the vertices of a quadrangle when viewed from the core axis direction. The portion 24 is provided with a large number of brush bristle materials 25 radially about the core material 26. The radial brush bristle materials 25 are gathered around the core material 26 and bundled along the core axis direction L31. It is formed and has a space portion 27a around the brush portion 24 along the core axis direction L31 around the core material 26.

  The brush portion 24 is formed in a bundle shape along the core axis direction L31 by collecting the radial brush bristle material 25 by at least pressing, heating, ultrasonic waves, or high frequency to collect the core material 26 at the center. In this embodiment, it is collected in the width of the core material 26 and formed into a flat plate shape.

(Manufacturing method of mascara brush)
Next, the manufacturing method of the mascara brush 21 is demonstrated based on FIG.11 (c), (d), (e). In the case of this embodiment, the brush body 23 is in a state in which a large number of brush bristle materials 25 are provided radially around the core material 26. The material 25 has a perfect circle shape (FIG. 11C). Then, a large number of perfect circular bristle materials 25 are cut into a square shape when viewed from the direction of the core axis of the core material 26 (FIG. 11D), and the four molding jigs 50 are cut into the core material 26. Inserted in the direction (FIG. 11E), the radial brush bristle material 25 gathered by applying heat to the four forming jigs 50 is heated in a flat plate shape. As described above, the mascara brush 21 is configured such that the four brush portions 24 are arranged at the positions of the vertices of the quadrangle when viewed from the core axis direction L31 and the space portion 27a is secured between the four brush portions 24. become.

(Modification 2 of the third embodiment)
Next, Modification 2 of the third embodiment will be described, but an explanatory diagram will be omitted. In this embodiment, the plurality of brush portions may be configured to be arranged at positions that become the vertices of the polygon as viewed from the core axis direction. For example, the configuration is the same as that of the second modification of the second embodiment. However, the mascara brush has a configuration in which six brush portions are arranged at positions that become the vertices of the hexagon when viewed from the core axis direction, and a space portion is secured between the six brush portions. Eight brush portions are arranged at positions that become the vertices of an octagon when viewed from the core axis direction, and a space portion is secured between the eight brush portions. Further, the mascara brush may be arranged at a position where the brush portion becomes a vertex of the rectangle when viewed from the core axis direction.

  In addition, the mascara brush is cut so that each side of a polygon such as a triangle, quadrangle, hexagon, etc. is curved and recessed, or protruded, and a molding jig is inserted in the core direction. A configuration in which the brush portion is disposed at a position where it becomes a vertex of a polygon when viewed from the core axis direction may be employed.

(Modification 3 of the third embodiment)
Next, Modification 3 of the third embodiment will be described, but an explanatory diagram will be omitted. In Modification 3 of the third embodiment, a plurality of brush portions are provided, and the plurality of brush portions are arranged at equal intervals along a circular circumference as viewed from the core axis direction. The arrangement structure is the same as that of the first modification of the third embodiment and the second modification of the third embodiment.

(Modification 4 of the third embodiment)
Next, Modification 4 of the third embodiment will be described, but an explanatory diagram will be omitted. In Modification 4 of the third embodiment, a plurality of brush portions are provided, and the plurality of brush portions are arranged at equally spaced positions along a semicircular circumference as viewed from the core axis direction. This arrangement structure is the same as that of the first modification of the third embodiment and the second modification of the third embodiment.

[Fourth Embodiment]
(Composition of mascara brush)
This embodiment will be described with reference to FIG. In this embodiment, the mascara brush 31 has a grip portion 32 and a brush body 33 having a cross section formed in a substantially rectangular shape from the proximal side to the distal end side as an overall appearance shape at the distal end of the grip portion 32. In the brush body 33, two brush portions 34 are formed at symmetrical positions around the core member 36 as in the first embodiment, and a space portion is provided between the brush portions 34 formed at the symmetrical positions. 37 is easily secured. In the brush portion 34, a large number of brush hair materials 35 are provided radially around the core material 36. The brush portion 34 of this embodiment has a configuration having a plurality of lateral grooves 38 extending radially around the core material 36. The plurality of lateral grooves 38 contain a large amount of application liquid and cleaning liquid, and can be applied to the eyelashes. Can be washed. This embodiment has a configuration in which the brush portions of the first to third embodiments have a plurality of lateral grooves extending radially around the core material.

  The brush portion 34 is processed by the groove forming jig 90 to form a plurality of horizontal grooves 38 extending radially around the core member 36 in the radial brush bristle material 35, and the groove forming jig 90 is removed after the processing. Accordingly, the groove forming jig 90 is not attached to the brush portion 34.

(Manufacturing method of mascara brush)
Next, the manufacturing method of the mascara brush 31 is demonstrated based on FIG. In the mascara brush 31 of this embodiment, two brush portions 34 are manufactured in the same manner as in the first embodiment, and a lateral groove 38 is manufactured in the two brush portions 34 by the manufacturing procedure shown in FIG. . A brush body 33 is prepared (FIG. 13A), and a coil spring-shaped groove forming jig 90 having a pitch P2 in the longitudinal direction a is provided on the brush body 33 as shown in FIG. 13B. The groove forming jig 90 is prepared and fitted to the brush body 33 as shown in FIG.

  Here, the groove forming jig 90 is formed by winding a metallic wire in a string shape, and the pitch P2 thereof is larger than the pitch P1 (FIG. 13A) of the brush bristle material 35 of the brush body 33, and (FIG. 13 (d)), a value corresponding to the lateral groove 38 to be formed on the outer peripheral surface of the brush bristle material 35 is selected. Further, the thickness D1 of the wire rod of the groove forming jig 90 is selected to a value corresponding to the vertical width of the lateral groove 38 to be formed on the outer peripheral surface of the brush bristle material 35.

  As shown in FIG. 13 (c), when the groove forming jig 90 is fitted to the brush body 33, it protrudes outward from the core member 36 of the brush body 33 as shown in FIG. 12 (c). Among the bristle members 35, the bristle member 35 positioned between the wire rods 90A of the groove forming jig 90 is not affected by the forming operation by the groove forming jig 90 (that is, without receiving interference). It protrudes outward through the wire rod of the tool 90.

  On the other hand, out of the brush bristle material 35 protruding outward from the brush bristle material 35 of the brush body 33, the brush bristle material 35 that abuts on (that interferes with) the wire rod 90A of the groove forming jig 90 is the wire rod. It is deformed by the interference surface of 90A and bent to a position to escape the interference, and as a result, protrudes outward through the wire 90A.

  Thus, the tip portions of the brush bristle material 35 of the brush main body 33 in the state in which the groove forming jig 90 is fitted are respectively formed between the position protruding outward from the core member 36 and the wire 90A of the groove forming jig 90. Based on the positional relationship, the protruding state is formed so as to protrude outward through the gap between the wire rods of the groove forming jig 90.

  As shown in FIG. 13C, the brush main body 33 in a state in which the groove forming jig 90 is fitted is put in a separate heat processing apparatus, and a current is passed through the wire rod of the groove forming jig 90, so that the wire To generate Joule heat.

  In this heat-processed state, the brush bristle material 35 of the brush body 33 is made of thermoplastic synthetic resin material, thereby causing thermoplastic deformation, whereby the wire rod 90A of the groove forming jig 90 is spirally wound. Therefore, a molding process is performed in which the spiral shape of the wire 90 </ b> A leaves a trace that is bent on the outer peripheral portion of the brush bristle member 35 of the brush body 33.

  After the forming process, when the groove forming jig 90 is removed from the brush main body 33, as shown in FIG. 13 (d), the brush main body portion 33 made of the brush bristle material 35 of the brush main body 33 (FIG. 13 (a)). In the outer peripheral portion, traces by the wire 90A of the groove forming jig 90 are formed as transverse grooves 38 that obliquely cross the axis of the core member 36.

  In this manner, the brush portion 34 is formed with a plurality of lateral grooves 38 extending radially about the core member 36 in the radial brush bristle material 35 by processing with the groove forming jig 90, and the groove forming jig is processed after processing. By removing 90, the groove forming jig 90 is not attached to the brush portion 34.

(Use of mascara brush)
The mascara brush 31 is pulled out from the coating liquid container in a state where excess coating liquid is squeezed off by squeezing the brush bristle material 35 of the brush body 33 by the squeezing member of the coating liquid container.

  At this time, since a relatively wide lateral groove 38 is formed in the brush body portion 33, a large amount of coating liquid is held in the lateral groove 38. As described above, the brush portion 34 has a plurality of lateral grooves 38 that extend radially around the core member 36, and the plurality of lateral grooves 38 can contain a large amount of coating liquid and cleaning liquid. Can be applied to eyelashes or washed. Since the groove forming jig 90 is not attached to the brush portion 34, the brush section 34 is light and easy to use because the groove forming jig 90 is not provided.

  In this embodiment, a current is passed through the wire rod of the groove forming jig 90 to the brush portion 34, thereby generating Joule heat from the wire rod and heating it to center the core material 36 on the radial brush bristle material 35. A plurality of lateral grooves 38 extending radially are formed, but the plurality of lateral grooves 38 extending radially about the core member 36 can be formed by applying pressure with the wire rod of the groove forming jig 90. In addition, a male mold having a protrusion for forming a groove and a female mold having a recess corresponding to the protrusion are used as a groove forming jig, and the male mold and the female mold are fitted and pressed to press the core. A plurality of lateral grooves 38 extending radially around the material 36 may be formed.

  Further, an ultrasonic wave or a high frequency is applied to the radial brush bristle material 35 of the brush portion 34, and the brush bristle material 35 is plastically deformed by the ultrasonic wave or the high frequency, so that the brush portion 34 has a radial shape centering on the core material 36. A plurality of lateral grooves 38 may be formed.

  In this embodiment, the brush portion 34 is formed with a plurality of lateral grooves 38 extending radially about the core member 36 in the radial brush bristle material 35 by processing with a groove forming jig. The groove forming jig is not attached, and it is light and easy to use because no groove forming jig is provided. In this embodiment, the brush portion 34 is formed with a plurality of lateral grooves 38 extending radially about the core member 36 in the radial brush bristle material 35 by processing with a groove forming jig. Is a state in which the groove forming jig is not attached, but it may be configured to be attached and used depending on a groove forming jig such as a coil spring-shaped groove forming jig.

[Fifth Embodiment]
Next, a fifth embodiment will be described with reference to FIGS. In the fifth embodiment, the brush portion 34 is formed with a plurality of lateral grooves 38 extending radially around the core member 36 in the radial brush bristle member 35 by holding the brush cover 91 on the core member 36. The brush part 34 is in a state where a brush cover 91 is attached. This embodiment has a configuration in which the brush portions of the first to third embodiments have a plurality of lateral grooves extending radially around the core material.

  The brush cover 91 of this embodiment has a cross-sectional shape made of a metal material that is vertically long in the vertical direction of the arrow a, and has a structure in which the brush body 33 is inserted into the internal space. An opening 91B is formed in the upper portion facing 91A over the entire vertical direction of the arrow a, so that when the brush body 33 is inserted into the brush cover 91, the brush bristle material 35 of the brush body 33 opens the opening 91B. It protrudes upwards through.

  Further, a plurality of left cuts 91L and right cuts 91R are respectively provided on the left and right portions of the brush cover 91, with the left interference convex part 91LX and the right interference convex part 91RX interposed therebetween, and the arrows a It is formed along the vertical direction. The tips of the left interference convex portion 91LX and the right interference convex portion 91RX are acute, so that the left interference convex portion 91LX and the right interference convex portion 91RX can easily enter between the brush bristle members 35. Yes.

  Thus, in the state where the brush body 33 is inserted into the brush cover 91, the left interference convex portion 91LX and the right interference convex portion 91RX are brushed from the tip by bending by applying force from the outside to the inside of the brush cover 91. The portion of the brush bristle material 35 corresponding to the left cut 91L and the right cut 91R protrudes outward through the left cut 91L and the right cut 91R.

  Among the bristle members 35 of the brush body 33, the brush bristle member that receives interference by contacting the left part interference convex part 91LX and the right part interference convex part 91RX is the left part interference convex part 91LX and the right part interference convex part 91RX. Are bent so as to escape to the side of the left cut 91L and the right cut 91R, and project outward from the left cut 91L and the right cut 91R.

  In the state where the brush body 33 is inserted into the brush cover 91, the left interference convex portion 91 </ b> LX and the right interference convex portion 91 </ b> RX are bent from the tip to the brush bristle material by applying a force from the outside to the inside of the brush cover 91. The brush main body 33 forms a brush bristle material 35 projecting outward on the outer peripheral surface by the brush bristle material 35 projecting outward from the left cut 91L and the right cut 91R. A lateral groove 38 is formed between the two.

  In this way, the brush portion 34 is formed with a plurality of lateral grooves 38 extending radially about the core material 36 in the radial brush bristle material 35 by holding the brush cover 91 on the core material 36. Is a state in which the brush cover 91 is attached, and deformation of the plurality of lateral grooves 38 is suppressed even by use, and durability is improved.

(Variation 1 of the fifth embodiment)
Next, Modification 1 of the fifth embodiment will be described with reference to FIG. In the first modification of the fifth embodiment, the brush cover 91 has a structure in which the brush main body 33 is inserted into the internal space thereof, but the upper portion of the brush cover 91 facing the plate portion 91A has a vertical arrow a. When the brush body 33 is inserted into the brush cover 91, the brush bristle material 35 of the brush body 33 protrudes upward through the opening 91 </ b> B. A plurality of left interfering convex portions 91LX are sequentially formed along the vertical direction of the arrow a at predetermined intervals only on the left portion of 91. The tip of the left interference protrusion 91LX has an acute angle so that the left interference protrusion 91LX can easily enter between the brush bristle members 35.

  Thereby, in a state where the brush body 33 is inserted into the brush cover 91, the brush bristle material 35 protrudes upward through the opening 91B, and in this state, a force is applied from the outside to the inside of the brush cover 91. By bending the left interference convex portion 91LX, the left interference convex portion 91LX enters between the brush bristle members 35 from the tip. Then, by bending the left interference convex portion 91LX so as to span the opening 91B, the brush bristle material projecting outward on the outer peripheral surface by the brush bristle material 35 projecting outward from both side surfaces of the left interference convex portion 91LX. 35 and a lateral groove 38 is formed between the brush bristle members 35.

  The present invention is particularly applicable to a mascara brush for applying a coating liquid such as mascara to the hair to be coated, or for cleaning the coating liquid. When applying or cleaning the coating liquid at the tip of the brush bristle material Therefore, it is possible to apply a large amount of the coating liquid without using it, and to wash with a large amount of the cleaning liquid.

1,11,21,31 Mascara brush 2,12,22,32 Grip part 3,13,23,33 Brush body 4,14,24,34 Brush part 5,15,25,35 Brush bristle material 6,16, 26, 36 Core material 7, 17a. 17b, 27a, 37 Space 38 Horizontal groove 50 Forming jig 60 Eyelash 90 Groove forming jig 91 Brush cover

Claims (13)

A large number of brush bristle materials are provided radially around the core material,
The radial brush bristle material has a brush part formed by collecting the core material in the center and forming a bundle shape along the core axis direction,
A mascara brush having a space along the core axis direction around the core material around the brush portion.   The mascara brush according to claim 1, wherein the brush portion has a tip of the radial brush bristle pointed like a needle.   The mascara brush according to claim 1, wherein the brush portion has a key portion that is bent into a key shape at a tip of the radial brush bristle material. The brush portion is viewed from the core axis direction,
The mascara brush according to claim 1, wherein a central portion of the radial brush bristle material is long and is formed to be shorter from the central portion toward the side portion. A plurality of the brush portions are provided,
The plurality of brush portions are viewed from the core axis direction,
The mascara brush according to claim 1, wherein the mascara brush is arranged at a symmetrical position with the core material as a center. A plurality of the brush portions are provided,
The plurality of brush portions are viewed from the core axis direction,
The mascara brush according to claim 1, wherein the mascara brush is disposed at an acute angle with the core material as a center. A plurality of the brush portions are provided,
The plurality of brush portions are viewed from the core axis direction,
The mascara brush according to claim 1, wherein the mascara brush is arranged at a position to be a vertex of a polygon. A plurality of the brush portions are provided,
The plurality of brush portions are viewed from the core axis direction,
The mascara brush according to claim 1, wherein the mascara brush is disposed at equal intervals along a circular circumference. A plurality of the brush portions are provided,
The plurality of brush portions are viewed from the core axis direction,
The mascara brush according to claim 1, wherein the mascara brush is arranged at equal intervals along a semicircular circumference.   The brush portion is formed by processing the radial brush bristle material by at least pressurization, heating, ultrasonic waves, or high frequency, and collecting the core material in the center to form a bundle along the core axis direction. The mascara brush of Claim 1 characterized by these.   The mascara brush according to claim 1, wherein the brush portion has a plurality of lateral grooves extending radially around a core member. In the brush portion, a plurality of lateral grooves extending radially around the core material are formed in the radial brush bristle material by processing with a groove forming jig,
The mascara brush according to claim 11, wherein the brush portion is in a state where the groove forming jig is not attached. In the brush portion, a plurality of lateral grooves extending radially around the core material are formed in the radial brush bristle material by holding a brush cover on the core material,
The mascara brush according to claim 11, wherein the brush portion is in a state in which the brush cover is attached.