JP2010069022A - Liquid applicator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a functionally-efficient brush type liquid applicator. <P>SOLUTION: Bristles 23 of a brush body 21, radially projecting outward from around a core material 24, are processed by a bristle molding tool 31 to form lateral grooves 13 with a prescribed width P2 in the vertical direction. With this structure, the liquid applicator 3 can apply a thick application liquid to target hair for application while effectively utilizing the minute correction function of the brush body 21. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a liquid applicator, and is particularly suitable for application when a coating liquid such as mascara or hair dyeing liquid is applied to the application target hair, such as a mascara brush or a hair dyeing brush.

  Conventionally, as this type of liquid applicator, for example, a mascara brush, an application liquid is attached to the brush and the mascara is applied to the eyelashes (see Patent Document 1).

  As shown in FIG. 20, the liquid applicator R1 as a mascara brush takes in and out the liquid applicator main body R6 provided at the tip of the shaft R5 fixed to the cap R4 from the outlet R3 of the coating liquid container R2. Thus, the liquid applicator main body R6 is immersed in a mascara as a coating liquid and taken out to the outside.

Inside the outlet R3, a circular ironing member R7 is provided. When the liquid applicator main body R6 is pulled out from the outlet R3, the excess coating liquid adhering to the periphery of the liquid applicator main body R6 has a small inner diameter. When the ironing member R7 has a squeezing member, the coating liquid is prevented from “dropping off” from the liquid applicator main body R6 and the shaft R5 taken out to the outside.
JP-A-5-228018

  The liquid applicator main body R6 of the liquid applicator R1 in FIG. 20 includes a comb-type structure and a brush-type structure, and a typical brush-type liquid applicator main body R6 is shown in FIG. The thing of composition is used.

  The brush-type liquid applicator body R6 has a linear core R6C formed by twisting two stainless wire rods R6A and R6B, and is formed between the twisted wire rods R6A and R6B. A hair material R6E having a predetermined rigidity made of a synthetic resin material (nylon, tetron, polyester, PP, etc.) is sandwiched and held on the spiral holding surface R6D.

  This liquid applicator main body R6 prepares a pair of wire rods R6A and R6B by folding a single stainless steel wire, and a hair material R6E made of synthetic fiber between the wire rods R6A and R6B is shown in the vertical direction In such a state, the ends of the wire rods R6A and R6B are fixed in such a state that no gap is formed between them, or a gap is formed, or a plurality of layers are stacked. Is twisted in the direction indicated by the arrow b, and the bristle material R6E arranged in a row is held between the wire rods R6A and R6B which are twisted together in a row.

  Thus, as shown in FIG. 22, the liquid applicator R1 having a brush structure includes a liquid applicator main body R6 in which a large number of bristle materials R6E are arranged at a predetermined pitch around the core material R6C. The core material R6C is inserted and attached to the tip of the shaft R5.

  The liquid applicator R1 having the brush structure can obtain a brush in which a large number of bristle materials R6E are arranged in a spiral shape by a relatively simple processing operation, and between the pitches of the spiral hair material R6E. Since the coating liquid can be held in the empty space, the coating liquid between the hair materials R6E can be applied to the hair to be coated by a simple operation of rotating the shaft R5 about the core material R6C with respect to the hair to be coated. can do.

  Thus, the liquid applicator main body R6 having the brush structure of FIGS. 21 to 22 is frequently used as a standard brush-type liquid applicator.

  The present invention has been made in consideration of the above, and intends to propose a liquid applicator that can further improve its application function by using a conventional standard brush-structured liquid applicator as a basic element. It is.

  In order to solve such a problem, the present invention has a brush body 21 having a bristle member 23 that projects radially outward from a core member 24 that extends in the longitudinal direction, with the core member 24 as a center. A brush formed by processing the bristle material 23 with the bristle material forming jig 31 to form a lateral groove 25 having a predetermined width P2 in the vertical direction in the direction crossing the axis of the core material 24 on the outer periphery of the bristle material 23. A main body 11 is provided.

  According to the present invention, the bristle material of the brush body that protrudes radially outward with the core material as the center is processed by the bristle material forming jig to form the lateral groove having a predetermined width in the longitudinal direction. It is possible to obtain a liquid applicator that can apply a thick application liquid to the application target hair while effectively utilizing the fine correction function of the main body.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

(1) 1st Embodiment In FIG. 1, 1 shows a liquid applicator as a whole, and has the structure which provided the liquid applicator main body 3 at the front-end | tip of the shaft 2 similarly to the basic composition of FIG.

  The liquid applicator main body 3 has a brush main body portion 11 that forms a liquid applicator having a brush structure similar to that described above with reference to FIGS. 21 and 22, and has a relatively wide vertical width at the outer peripheral portion of the bristle material 12. The lateral groove 13 is provided.

  The liquid applicator main body 3 having the lateral grooves 13 is manufactured by the manufacturing procedure shown in FIG.

  First, the brush main body 21 shown in FIG. 2 (A) is prepared.

  In the same manner as described above with reference to FIGS. 21 and 22, the brush main body 21 is not spaced or spaced apart from the pair of wire rods 22 </ b> A and 22 </ b> B obtained by folding the stainless steel wire in half, or By forming a core material 24 by sandwiching and twisting a plurality of hair materials 23 that are continuously arranged in a superposed manner, the hairs 22A and 22B constituting the core material 24 are exposed outwardly from the spiral mating surfaces. A brush body 21 formed by projecting the material 23 is obtained.

  The bristle material 23 of the brush main body 21 obtained as a result has a relatively narrow pitch P1 determined according to the thickness of the wire rods 22A and 22B and the number of twists, and if it is uniform, the turning surface is the core material 24 in the longitudinal direction a. This is a characteristic of the basic structure of the brush main body 21.

  Thus, the brush body 21 has a circular shape, and the bristle 23 protruding outward in the lateral direction orthogonal to the longitudinal direction a is interposed between the lateral grooves 25 having a spiral surface at a uniform pitch P1 in the longitudinal direction. It has the structure of the brush structure formed by being sandwiched between the two.

  As shown in FIG. 2B, a coil spring-shaped bristle material forming jig 31 having a pitch P2 in the longitudinal direction a is prepared for the brush body 21, and the bristle material forming jig 31 is shown in FIG. As shown in FIG. 2 (C), the intermediate member 41 is obtained by fitting into the brush body 21.

  Here, the bristle forming jig 31 is formed by winding a metallic wire in a string shape, and the pitch P2 is larger than the pitch P1 (FIG. 2A) of the bristle 23 of the brush body 21 and FIG. As shown in D), the liquid applicator body 3 is selected to have a value corresponding to the lateral groove 13 to be formed on the outer peripheral surface of the bristle material 23.

  The thickness D1 of the wire rod of the bristle forming jig 31 is selected to be a value corresponding to the vertical width of the lateral groove 13 to be formed on the outer peripheral surface of the bristle member 23.

  As shown in FIG. 2C, when the bristle forming jig 31 is fitted to the brush main body 21, the bristle protrudes outward from the core member 24 of the brush main body 21, as shown in FIG. 23, the hair material 23A located between the wire materials 31A of the hair material forming jig 31 is not affected by the forming operation by the hair material forming jig 31 (that is, not subjected to interference). It protrudes outward through the 31 wires.

  On the other hand, among the bristle material 23 that protrudes outward from the core material 24 of the brush body 21, the bristle material 23B that abuts (that interferes with) the wire material 31A of the bristle forming jig 31 interferes with the wire material 31A. It is bent by the surface so as to escape the interference, and as a result, protrudes outward through the wire 31A.

  Thus, the tip portions of the bristle material 23 of the brush main body 21 in the state where the bristle material forming jig 31 is fitted are respectively positioned between the position protruding outward from the core material 24 and the wire material 31A of the bristle material forming jig 31. Based on the positional relationship, the protruding state is formed so as to protrude outward through the gap between the wire rods of the bristle forming jig 31.

  As shown in FIG. 2C, the brush main body 21 in a state where the bristle forming jig 31 is fitted is put in a separate heat processing apparatus and current is passed through the wire rod of the bristle forming jig 31. , Joule heat is generated from the wire.

  In this heat-processed state, the bristle material 23 of the brush body 21 is made of a thermoplastic synthetic resin material, thereby causing thermoplastic deformation, whereby the wire material 31A of the bristle forming jig 31 is wound in a spiral shape. Therefore, a forming process is performed in which the spiral shape of the wire 31 </ b> A leaves a trace that is bent on the outer peripheral portion of the bristle material 23 of the brush body 21.

  When the bristle material forming jig 31 is removed from the brush body 21 after the molding process, as shown in FIG. 2 (D), the brush body part 11 made of the bristle material 23 of the brush body 21 (FIG. 2 (A)). In the outer peripheral portion, traces by the wire 31A of the bristle forming jig 31 are formed as transverse grooves 13 that obliquely cross the axis of the core member 24, and this is obtained as the liquid applicator main body 3.

(2) Principle of bristle molding process By performing bristle molding process on the brush body 21 (FIG. 2A) with the bristle molding jig 31 (FIG. 2B) (FIG. 2C) When the bristle material 23 of the brush body 21 is deformed, the pitch between the bristle materials 23 in the liquid applicator main body 3 is changed by the bristle material molding process, thereby forming the brush body unit 11. A lateral groove 13 that can apply an appropriate liquid to the hair to be liquid-applied is formed on the hair material 12.

  FIG. 4 schematically shows the position on the outer surface of each bristle material 23 of the brush body 21 (FIG. 2A). The outer surface of the brush body 21 is developed in a plan view. Show.

  In FIG. 4,... LN + 2, LN + 1, LN, LN-1, LN-2... Indicate positions on the outer surface corresponding to one round of the spiral holding surface in the core member 24 of the brush body 21. Each of the bristle members 23 held sandwiched by the spiral holding surfaces LN + 2, LN + 1, LN, LN-1, LN-2,... Protrudes radially outward from the core member 24 without any interference. Thus, the wire rods are sequentially arranged in the vertical direction a with an interval of the pitch P1.

  In FIG. 4, circles represent positions where the ends of the bristle materials 23 exist on the outer surface of the brush body 21 as a result of the bristle materials 23 projecting radially outward.

  In FIG. 4, θ represents the rotation angle position of the brush body 21 when the brush body 21 is applied to the application target hair, and the user operates the brush body 21 in the operation direction b perpendicular to the longitudinal direction with the core member 24 as the center. In addition, by rotating 45 ° alternately from the rotation position θ by θ−45 ° or θ + 45 °, the coating liquid that adheres to the bristle material 23 in that range or is held around it is applied. Can be applied to target hair.

  Thus, the spiral holding surface of the core material 24 continues in succession .... LN + 2, LN + 1, LN, LN-1, LN-2 .... The bristle material 23 held on the brush body 21 and the user holds the core material 24. By rotating the rotation angle position θ from θ−45 ° or θ to θ + 45 °, the application liquid can be applied to the liquid application target hair.

  The brush body 21 having such a configuration holds a large amount of coating liquid between the pitches P1 of the bristle material 23 held by the spiral holding surfaces... LN + 2, LN + 1, LN, LN-1, LN-2. A brush body 21 having a brush configuration has been frequently used as an effective application operation if the application liquid can be appropriately applied to the hair to be applied.

  In the case of this embodiment, the bristle material 23 held by the spiral holding surface in the brush body 21 (FIG. 2A) is the bristle by the bristle material forming jig 31 (FIG. 2B). A part of the material 23 is deformed by the forming process (FIG. 2C), so that the bristle forming jig 31 is formed on the surface of the brush body 11 (FIG. 2D) as shown in FIG. The lateral groove 13 is formed and processed by using and the tip of the bristle material 23 is rearranged.

  In FIG. 5, the bristle forming jig 31 is fitted into the brush body 21 among the bristle members 23 held on the spiral holding surfaces LN + 2, LN + 1, LN, LN-1, LN-2,. When this occurs, the bristle 23 that has not contacted the wire 31A of the bristle forming jig 31 reaches the outer surface of the liquid applicator body 3 as it is and maintains its original position, whereas the bristle The bristle material 23 in contact with each wire 31A portion of the forming jig 31 is deformed by the interference of the wire 31A and is deformed so as to escape in the direction of the longitudinal direction a (direction in which the core material 24 extends).

  In the case of this embodiment, since the bristle forming jig 31 is formed into a coil spring shape as a whole by winding a metallic wire in a string shape, the bristle 23 in contact with each wire 31A portion is The core member 24 escapes in either the direction of the hand (the direction of the shaft 2 in FIG. 1) or the direction of the tip (the direction opposite to the shaft 2 in FIG. 1).

  FIG. 5 is a diagram in which the center side of the wire rod 31A of the bristle forming jig 31 is used as a reference and the portion on the hand side (direction opposite to a) or the tip side (direction coincident with a) is used as an interference surface. These depict the positions on the outer surface of the hair material 23 that has come into contact with each other as if they escape to the hand side or the tip side.

  The bristle forming jig 31 is deformed into a position where the bristle material 23 in contact with the wire rod 31A of the bristle material shaping jig 31 escapes from the wire rod 31A of the bristle material shaping jig 31, thereby forming the brush body. Since the tip of the bristle material 23 does not exist at the position where the wire rod 31A of the bristle forming jig 31 interferes on the surface of the portion 11, the lateral groove 13 obliquely intersecting with the longitudinal direction a of the liquid applicator main body 3 is formed. Will be formed.

  And in the area | region adjacent to the said horizontal groove 13, the hair material 23 which protruded directly from the helical holding surface ... LN + 2, LN + 1, LN, LN-1, LN-2 ... of the core material 24, and the hair material The bristle material 12 is formed in such a state that the bristle material 23 deformed by the interference of the forming jig 31 is partially entangled together.

(3) Application | coating operation | movement of coating liquid In the structure of FIGS. 1-5, the brush main-body part 11 of the liquid applicator main body 3 is about the brush main body 21 which has the characteristics as a liquid applicator of a brush structure, and the hair material 23 Since the arrangement structure is obtained by molding the bristle forming jig 31, it basically has a function as a liquid applicator having a brush structure.

  Accordingly, when the liquid applicator main body 3 is pulled out from the coating liquid container R2 with the liquid applicator main body 3 immersed in the coating liquid container R2, similarly to the conventional liquid applicator R1 described above with reference to FIGS. When the bristle material 12 of the brush body 11 is squeezed by the squeezing member R7 of the coating liquid container R2, the liquid applicator main body 3 is pulled out from the coating liquid container R2 in a state where excess coating liquid is squeezed out.

  At this time, the brush body 11 of the liquid applicator body 3 is formed with a relatively wide lateral groove 13, so that a large amount of coating liquid is held in the lateral groove 13.

  The application liquid in the lateral groove 13 is produced by the user pressing the brush body 11 of the liquid applicator main body 3 against the hair to be applied at the rotational position θ in FIG. 4, for example, an operation direction b of θ + 45 ° or θ−45 °. When the hair to be applied passes between the bristle materials 12 or through the lateral grooves 13, the hair to be applied is applied to the hair to be applied.

  At this time, since the amount of the coating liquid held in the lateral grooves 13 is large, a large volume of coating liquid (mascara) can be applied to the application target hair (for example, eyelashes).

  Thus, the application operation with a large volume can be realized, but when the user determines that the application liquid applied to the application target hair is excessive at the time of the application operation, the user is partially entangled adjacent to the lateral groove 13. Thus, if operation which wipes off the coating liquid applied with the bristle material 12 formed in this way is performed, the excessive coating liquid can be wiped off.

  In addition, when the hair material 12 touches the application target hair in this way, each hair material itself of the hair material 12 has a small diameter, and therefore an operation to scoop the application target hair (this is called a “hair removal” operation). To do. As a result, the user can perform a correction process so as not to cause a so-called “dama” in which the coating liquid applied to the hair to be coated hardens and adheres.

  The wiping operation at this time can be performed by a simple operation because the bristle material 12 adjacent to the lateral groove 13 can be used.

  According to the above configuration, the bristle material 23 of the brush main body 21 that is originally used as a liquid applicator having a brush structure is shaped by the bristle material forming jig 31 so that the lateral groove 13 having a relatively wide opening on the surface, By forming the bristle material 12 adjacent thereto, the liquid applicator 3 (FIG. 1) that can easily apply a coating liquid having a large volume to the application target hair according to the user's preference. realizable.

(4) Modification In the above-described first embodiment, as shown in FIG. 5, the wire material 31 </ b> A of the bristle forming jig 31 is fitted in the same direction as the twisting direction of the core material 24 of the brush body 21. Although the case where the coil spring shape is formed by the above is described, instead of this, as shown in FIG. 6, the fitting direction of the wire material of the bristle forming jig 31 is set to be opposite to the twisting direction of the core material 24. good.

  In this case, as shown in FIG. 5 with the same reference numerals attached to the corresponding parts, the spiral holding surface of the core member 24... LN + 2, LN + 1, LN, LN-1, LN-2,. ... With respect to the bristle material 23 arranged and held above, the wire rod 31AX of the bristle material forming jig 31X extends in the opposite direction to the case of FIG. Is done.

  Even in this case, in the same manner as described above with reference to FIG. 5, a relatively wide groove width can be secured for applying a sufficient amount of the coating liquid to the application target hair as the horizontal groove 13X, and both side positions of the horizontal groove 13X can be secured. The hair material 23 made of the hair material 23 not affected by the interference and the hair material 23 deformed by the interference is present, so that the wiping operation and the “hair removal” operation of the coating liquid applied to the application target hair are performed. Thus, an application effect according to the user's preference can be realized.

(5) Second Embodiment FIG. 7 shows a second embodiment. In this case, the brush main body portion 11Y of the liquid applicator main body 3Y is made of the bristle material 12Y formed on both sides of the lateral groove 13Y. The outer peripheral edge portion 23Y has a shape that falls to the tip side in the direction of the vertical direction a.

  Such forward tilting of the bristle material 12Y is introduced in the course of the manufacturing procedure of the liquid applicator main body 3Y, as shown in FIGS.

  The liquid applicator main body 3Y in this case is the same as described above with reference to FIGS. 2A, 2B, and 4C and FIG. 4 in the steps of FIGS. 8A, 8B, and 8C. The spiral holding surface of the core material 24... LN + 2, LN + 1, LN, LN-1, LN-2... An intermediate material 41 is obtained by fitting the hair material forming jig 31 (FIG. 7B) to the hair material group.

  In this intermediate material 41, as described above with reference to FIGS. 3 and 5, the hair material 23 that does not come into contact with the wire material 31A of the hair material forming jig 31 has a spiral holding surface... LN + 2, LN + 1, LN, LN-1 , LN-2... Project radially outward from the position of LN-2..., But the bristle material 23 at the position in contact with the wire material 31A of the bristle forming jig 31 is deformed by the wire material 31A and is adjacent. It will be in the state which protrudes from the space between wires.

  Thus, in the same manner as described above with reference to FIG. 5, the intermediate material 41 is obtained in which the bristle group of the bristle material 23 gathers between the wire rods 31 </ b> A of the bristle forming jig 31 and protrudes outward.

  In the case of this embodiment, before flowing the current for thermoplastic processing through the wire 31A of the bristle forming jig 31 of the intermediate material 41 of FIG. 8C, as shown by the arrow c in FIG. 8D. The intermediate material 41Y is obtained by shifting and shifting the position of the core material 24 with respect to the hair material forming jig 31 in the direction of the base side end opposite to the tip, and in this state, the thermoplastic material current is applied to the hair material forming jig 31. If the bristle material forming jig 31 is removed after the flow, the liquid application main body 3Y is obtained as shown in FIG.

  At this time, in FIG. 8D, when the bristle material 23 is shifted to the root side as a whole in the direction indicated by the arrow c according to the core material 24 with respect to the wire material 31A of the bristle material forming jig 31 forming the lateral groove 13, As shown in FIG. 9, the bristle 23C that interferes with the wire 31A of the bristle forming jig 31 among the bristle 23 is tilted forward in the direction opposite to the arrow c (that is, in the longitudinal direction a). Then, the hair material 12Y of the liquid applicator main body 3Y is formed.

  The degree of the fall of the bristle material 23C has a magnitude corresponding to the shift amount in the direction of the arrow c of the brush body 21, and the bristle material 23C that is particularly tilted is a part of the bristle material 23C that has a large amount of bending. The tip portion of the wire reaches the space above the wire 31A.

  Thus, the position of the tip of the bristle material 12Y on the outer surface of the liquid applicator main body 3Y is such that, as shown in FIG. 10, the bristle 12Y is not arranged at the position of the wire rod 31A due to interference with the wire rod 31A, so In addition to being formed, the bristle material 12Y that collapses greatly protrudes on the horizontal groove 13Y, and the horizontal groove 13Y is partially covered.

  When the hair material forming jig 31 is removed from the intermediate material 41Y (FIG. 8D) in which the arrangement of the hair material 23 is replaced in this way, the liquid applicator body 3Y (FIG. 8E) is obtained. An outer peripheral edge portion in which the horizontal groove 13Y is formed at a position where the wire rod 31A of the forming jig 31 is present, and the bristle material 23C (FIG. 9) that is likely to fall down is partially covered on the horizontal groove 13Y. The structure in which 23Y is formed remains.

  In the above configuration, when the liquid applicator having the liquid applicator main body 3Y is pulled out from the coating liquid container (R2 (FIG. 20)), a large amount of coating liquid is applied to the lateral groove 13Y by being squeezed by the squeezing member R7. Pulled out while holding.

  Here, since the outer peripheral edge portion 23Y of the bristle material 12Y is tilted forward on the horizontal groove 13Y, even if the bristle material 12Y is repelled by the rigidity of the bristle material 12Y, the scattering of the coating liquid is prevented from flowing through the horizontal groove 13Y. By preventing the outer peripheral edge portion 23Y partially covering, it is possible to prevent a possibility that the coating liquid held in the lateral groove 13Y is inadvertently scattered outside.

  In addition, since the bristle 12Y is rearranged so that the gap between the lateral grooves 13Y is larger than that of the transverse grooves 25 of the brush body 21 by the wire 31A of the bristle forming jig 31 (FIG. 10), the lateral grooves 13Y are held in the lateral grooves 13Y. Applying a large amount of the coating liquid to the hair to be coated can give a sense of volume, and if the coating liquid is excessive, wipe it off with the hair material group of the hair material 12Y in the vicinity of the lateral groove 13Y. Or "hairskin".

  Further, since the outer peripheral edge portion 23Y of the bristle material 12Y at the tip of the liquid applicator main body 3Y is tilted forward, a fine coating liquid is applied to the corners of the eyes, the eyes, and the lower eyelashes using the tilted portion. obtain.

(6) Modifications of the bristle material forming jig As the wire material 31A of the bristle material forming jig 31, various cross-sectional shapes as shown in FIGS.

  FIG. 11A shows a circular cross section used in the first and second embodiments described above, and as described above with reference to FIG. 3, out of the hair material 23 protruding outward from the core material 24. The bristle material 23 that comes into contact with the front side surface or the rear side surface of the wire rod 31A of the bristle material forming jig 31 is bent forward or rearward by the interference of the front side surface or the rear side surface.

  Thus, the lateral groove 13 having a front-rear width substantially equal to the line width of the wire 31A is formed at the outer position of the wire 31A.

  On the other hand, in the case of FIG. 11B, the wire 31 </ b> A has a triangular cross section, and one apex angle portion thereof faces the direction of the core 24 as shown in FIG. 12.

  In this case, the bristle member 23 protruding from the core member 24 is bent forward or rearward of the wire rod 31 </ b> A by interference of the front side surface or the rear side surface formed by the inclined plane of the wire rod 31 </ b> A of the bristle material forming jig 31.

  Also in this case, the bristle material contacting the wire rod 31A is bent forward or backward, whereby the lateral groove 13 having a front-rear width corresponding to the front-rear width of the wire rod 31A is formed outside the wire rod 31A.

  11C, the case of using a wire 31A having a quadrilateral cross section, the case of FIG. 11D being an oval cross section, and the case of FIG. 11F being a saddle cross section. As described above with reference to FIG. 12, the bristle material that comes into contact with the wire 31 </ b> A is bent to the front side surface or the rear side surface, whereby the lateral groove 13 having a front-rear width corresponding to the front-rear width is formed on the outer side of the wire 31 </ b> A. .

  Further, in the case of FIG. 11E, the wire 31A having an elliptical cross section is used, and the cross section of the wire 31A in this case is shaped so as to fall down along the vertical direction of the arrow a of the core material 24. Have.

  When such an elliptical wire rod 31A having an oblique cross section is used, as shown in FIG. 13, the bristle portion contacting the front side surface of the wire rod 31A falls forward, so that the bristle material 23 is indicated by the arrow a. It is deformed to bend forward in the vertical direction.

  Thus, the lateral groove 13 having a front-rear width corresponding to the front-rear width is formed on the outer side of the wire 31A, and the brush body 21 is formed so that the density of a part of the bristle group in the lateral groove 13 is increased.

  In the case of FIG. 11 (G), a thin elliptical wire rod 31A oblique to the front is used. In this case as well, the lateral groove 13 having the same width as the front and rear is formed as described above with reference to FIG. The liquid applicator main body 3Y having a high density of the front hair material 23 can be formed.

  FIGS. 11 (H) and 11 (I) show a case where a wire 31 having a V-shaped and U-shaped cross section is used. In this case, the hair contacting the inner surface of the hair 23 facing the core 24 of the wire 31A. The material 23 is bent and deformed forward and rearward as described above with reference to FIG.

  As a result, the lateral grooves 13 are formed outside the wire 31A, so that a large amount of coating liquid can be held here.

(7-1) Other Embodiment of Hair Material Forming Jig FIG. 14 shows another embodiment of the hair material forming jig 31, and in the above case, as shown in FIG. A bristle forming jig 31 constituted by a wire 31A having a coil spring shape is fitted to a brush main body 21 in which the bristle material 23 is projected outward from the material 24, and then the bristle material forming jig Although the thermoplastic processing was performed so that the transverse groove 13 was formed on the bristle material 23 of the brush body 21 by passing a thermoplastic processing current through the wire 31A of the wire 31, the brush shown in FIG. The thermoplastic processing for the main body 21 is performed by the two-part dies 41A and 41B.

  The two-part dies 41A and 41B have inner cavities 45A and 45B in which convex portions 43A and 43B and concave portions 44A and 44B are dug into the cylindrical inner wall surface from the die mating surfaces 42A and 42B, respectively.

  The convex portions 43A and 43B are provided to form the transverse groove 13 with respect to the bristle material 12 of the brush body portion 11 (FIG. 2D), and the mating surfaces 42A and 42B of the two-part dies 41A and 41B are overlapped. When the convex portions 43A and 43B and the concave portions 44A and 44B are formed on the inner wall surface of the cylindrical inner space formed by the lumens 45A and 45B, A valley is formed.

  The spiral ridges process the drop shape of the lateral groove 13 of the brush body 21, and the wig-shaped valleys process the protruding shape of the bristle material 23 protruding outward on both sides of the lateral groove 13.

  In the above configuration, when the brush body 21 shown in FIG. 2A is sandwiched between the lumens 45A and 45B of the two-part dies 41A and 41B, and the two-part dies 41A and 41B are heat-treated, the brush body 21 The bristle material 23 interferes with the convex portions 43A and 43B and the concave portions 44A and 44B formed in the inner cavities 45A and 45B, thereby forming a shape corresponding to the shape of the spiral concavo-convex surface when formed in the inner lumen. The

  Thus, according to the two-part dies 41A and 41B, as shown in FIG. 15 (A), as shown in FIG. 15 (B), the outer peripheral surface of the bristle material 23 held by the wire rods 22A and 22B. The liquid applicator main body 3 formed with the lateral grooves 13 can be obtained by mold processing.

(7-2) FIG. 16 shows a second embodiment of a two-part mold, and in this case, the two-part molds 51A and 51B are formed when the mold mating surfaces 52A and 52B are overlapped. An annular crest and an annular trough sequentially follow the longitudinal direction of the arrow a on the inner wall surface of the cylindrical lumen formed inside by the cavities 53A and 53B.

  In order to form such a structure, semi-circular convex portions 54A and 54B are sequentially formed at predetermined intervals in the vertical direction on the two-part dies 51A and 51B, respectively, and adjacent semi-circular convex portions are formed. Semi-annular recesses 55A and 55B are formed so as to be sandwiched between the portions 54A and 54B.

  In the above configuration, when the two-part dies 51A and 51B are overlapped and subjected to thermal processing, the brush body 21 shown in FIG. 17A is sandwiched between the two-part dies 51A and 51B.

  At this time, the bristle material 23 of the brush body 21 is subjected to thermoplastic processing corresponding to its shape by the convex portions 54A and 54B and the concave portions 55A and 55B formed in the inner cavities of the two-part dies 51A and 51B.

  As a result, as shown in FIG. 17 (B), the bristle material 23 has an annular lateral groove 13 corresponding to the convex portions 54A and 54B and outwards corresponding to the concave portions 55A and 55B in the longitudinal direction a. The liquid applicator body 3 having the protruding annular hair material 12 can be formed.

  According to the above configuration, while using the brush body 21 having the bristle material 23 sandwiched and held by the wires 22A and 22B as a basic material, an annular shape having an arbitrary width apart from the spiral lateral groove 25 is used. The liquid applicator main body 3 (FIG. 17B) having the lateral grooves 13 can be obtained.

  Thus, if the liquid applicator body 3 having the annular lateral groove 13 in FIG. 17B is used, the user can apply the coating liquid held in the lateral groove 13 formed in the bristle material 12 of the liquid applicator body 3. By simply rotating the liquid applicator main body 3, it can be applied to the hair to be applied sufficiently thickly.

(7-3) FIG. 18 shows another embodiment of a mold for molding the shape of the bristle material 23 of the brush body 21, and the molding mold 61 is shown in FIGS. 19 (A) and 19 (B). The outer periphery of the bristle material 23 of the brush main body 21X shown in FIG. 19 is divided into a plurality of angular ranges H1 to H4, and the left and right angular ranges H1 and H3 in the lateral direction are spiral as shown in FIG. In contrast to the forming process so as to form the transverse groove 65, the forming process for the brush body 21X is not performed for the upper and lower angle ranges H4 and H2 in the vertical direction.

  The forming metal fitting 61 is made of a metal plate material 61X that has an elliptical cross section and is vertically long in the vertical direction of the arrow a, and a thermoplastic body is formed by inserting the brush body 21X shown in FIG. I do.

  In the case of this embodiment, the bristle 23 in the portion corresponding to the lower corner range H2 of the brush body 21X has a planar shape portion 62A in which the arc portion is cut off, and the metal plate material 61X corresponds to the planar shape portion 62A. The flat plate portion 63A is provided at the position to be operated.

  Further, an opening 63B is formed in the upper portion of the molding die 61 facing the flat plate portion 63A over the entire vertical direction of the arrow a, and when the brush body 21X is inserted into the molding die 61, The bristle material 23 in the upper corner range H4 of the brush main body 21X protrudes upward through the opening 63B.

  Further, on the left part and the right part of the molding die 61, a plurality of left part cuts 63L and right part cuts 63R, respectively, with the left part interference convex part 63LX and the right part interference convex part 63RX in between, the arrows It is formed along the longitudinal direction of a.

  Accordingly, when the brush main body 21X of FIG. 19A is inserted into the molding die 61, the left notch 63L and the right notch 63R of the hair material 23 in the left corner range H1 and the right corner range H3. The portion corresponding to 突出 projects outwardly through the left cut 63L and the right cut 63R without any interference.

  On the other hand, among the bristle material 23 of the brush body 21X, the bristle material that receives interference by contacting the left interference convex part 63LX and the right interference convex part 63RX is the same as described above with reference to FIG. It is bent so as to escape to the left notch 63L and the right notch 63R adjacent to the left interference notch 63LX and the right interference notch 63RX, and protrudes outward from the left notch 63L and the right notch 63R. Has been made.

  When viewed along the circumferential direction of the brush main body 21X, the left cut 63L and the right cut 63R (therefore, the left interference convex 63LX and the right interference convex 63RX) have an opening 63B and a flat plate portion 63A therebetween. It is formed at a position where a spiral trajectory is drawn as it goes in the vertical direction of the arrow a while being sandwiched.

  Accordingly, the brush body 21X is thermoplastically processed by heating the molding die 61 in a state where the brush body 21 is inserted into the molding die 61, and the liquid applicator body 3Z obtained thereby is As shown in FIGS. 19C and 19D, the hair material 64 protruding outward from the left cut 63L and the right cut 63R protrudes outward in a spiral manner on the outer peripheral surface of the liquid applicator main body 3Z. The bristle material 64 is formed, and the lateral groove 65 is formed between the bristle materials 64 in a spiral shape.

  Thus, the bristle material 64 and the lateral groove 65 are formed at positions corresponding to the left corner area H1 and the right corner area H3 of the brush body 21X on the outer surface of the liquid applicator body 3Z (FIG. 19C). Thus, by using the bristle material 64 and the lateral groove 65, the coating liquid held in the lateral groove 65 can be applied deeply to the hair to be applied.

  In addition to this, the liquid applicator main body 3Z obtained by processing according to FIG. 19 is radial for the hair material 64 (FIG. 19D) in the upper corner range H4 of the hair material 23 of the brush body 21X. In this way, the user uses the original function of the brush body 21X by the bristle material 64 with respect to the coating liquid that is applied deeply to the application target hair. However, by performing a hair removal operation on the application target hair, it is possible to perform a correction operation that allows the application liquid to be applied uniformly without causing “dama”.

  In addition to this, among the bristle material 64 of the liquid applicator main body 3Z, by having the planar shape part 62A in the lower corner range H2 of the brush body 21X as it is, the user can use the bristle material of the planar shape part 62A to A correction operation that further enhances the cosmetic effect can be performed by utilizing the feature of the shape.

  According to the above configuration, as the liquid applicator main body 3Z, the hair material 64 is applied to the portion that can hold a large amount of the application liquid, the circular shape portion that can use the original function of the brush main body 21X, and the hair to be applied. By providing the coating liquid with a planar portion that can be manipulated to enhance the cosmetic effect, the liquid applicator 3Z having higher functionality can be obtained.

  The present invention can be used for a liquid applicator for applying a coating liquid to hair to be coated.

It is a side view which shows 1st Embodiment of the liquid applicator by this invention. The manufacturing procedure of the liquid applicator main body 3 of FIG. 1 will be described, wherein (A) is a side view showing the brush main body 21, (B) is a side view showing the bristle forming jig 31, and (C) is an intermediate material. FIG. 41D is a side view showing the liquid applicator body 3. It is a basic diagram with which it uses for description of the interference operation | movement by the bristle material formation jig | tool 31. FIG. It is a basic diagram which develops the outer surface of the brush main body 21 in a top view, and uses for description of the position of the bristle material 23. FIG. FIG. 5 is a schematic diagram showing the position of the bristle material 12 of the brush body 11 of the liquid applicator body 3 in correspondence with FIG. 4. It is a basic diagram which shows the modification of 1st Embodiment. It is a side view which shows 2nd Embodiment of the liquid applicator by this invention. 7A and 7B show a manufacturing procedure of the liquid applicator main body 3Y of FIG. 7, in which (A) is a side view of the brush main body 21, (B) is a side view of the bristle forming jig 31, and (C) is a side view of the intermediate member 41. (D) is a side view of the intermediate member 41Y, and (E) is a side view of the liquid applicator main body 3Y. It is a basic diagram with which it uses for description of interference of the hair-material shaping | molding jig 31 by the shift of the core material 24. FIG. It is an approximate line figure which develops liquid applicator main part 3Y in a top view, and uses for explanation of a position of hair material 12Y in an outer surface. 3 is a cross-sectional view showing a cross-sectional structure of a wire rod 31A of a hair material forming jig 31. FIG. It is a basic diagram with which it uses for description of the interference operation | movement of the bristle material shaping | molding jig | tool 31 produced when the cross-sectional triangle-shaped wire 31A of FIG. 11 (B) is used. FIG. 12 is a schematic diagram for explaining an interference operation of a hair material forming jig 31 that is generated when the wire material 31A having an elliptical cross-sectional shape in FIG. It is a rough-line perspective view which shows the 2-part metal mold | die (1) which is other embodiment of the bristle material shaping | molding jig 31. FIG. The manufacturing procedure of the liquid applicator main body 3 by the two-part mold (1) will be described. (A) is a side view of the brush main body 21 and (B) is a side view of the liquid applicator main body 3. It is a rough-line perspective view which shows the 2-part metal mold | die (2) which is other embodiment of the hair material shaping | molding jig 31. FIG. The manufacturing procedure using the two-part mold (2) will be described, wherein (A) is a side view of the brush body 21 and (B) is a side view of the liquid applicator body 3. It is a perspective view which shows the insertion type | mold metal mold | die 61 which is other embodiment of the bristle material shaping | molding jig 31. FIG. FIG. 19 shows a manufacturing procedure of the liquid applicator main body 3Z using the molding die 61 of FIG. 18, wherein (A) is a front view of the brush main body 21X, (B) is a side view of the brush main body 21X, and (C) is The top view of the liquid applicator main body 3Z, (D) is a side view of the liquid applicator main body 3Z. It is a perspective view which shows the basic composition of a liquid applicator. It is a rough-line side view of liquid applicator main body R6 of FIG. It is a side view of liquid applicator main body R6.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Liquid applicator, 2 ... Shaft, 3 ... Liquid applicator main body, 11 ... Brush main body part, 12 ... Hair material, 13 ... Cross groove, 21 ... Brush main body, 22A, 22B ... Wire material , 23 ... Hair material, 24 ... Core material, 31 ... Hair material forming jig, 31A ... Wire material, 41 ... Intermediate material, 41A, 41B ... Two-part mold, 42A, 42B ... Mold Alignment surface, 43A, 43B ... Convex part, 44A, 44B ... Concave part, 45A, 45B ... Lumen, 51A, 51B ... Two-part mold, 52A, 52B ... Mold mate surface, 53A, 53B ... ... lumen, 54A, 54B ... convex part, 55A, 55B ... concave part, 61 ... molding die, 61X ... metal plate material, 63A ... flat plate part, 63B ... opening, 63L, 63R ... ... Left / right cut, 63LX, 63RX ... Left / right interference convex part, 62A ... Planar shape Min, 64 ... Hair material, 65 ... Cross groove, R1 ... Liquid applicator, R2 ... Application liquid container, R3 ... Outlet, R4 ... Cap, R5 ... Shaft, R6 ... Liquid applicator body , R7 ... ironing member, R6A, R6B ... wire rod, R6C ... core material, R6D ... spiral holding surface, R6E ... hair material.

Claims (4)

By having a brush body having a bristle material protruding radially outward from the core material extending in the longitudinal direction, and processing the bristle material of the brush body with a bristle forming jig, A liquid applicator comprising a brush main body formed by forming a lateral groove having a predetermined width in a longitudinal direction in a direction crossing an axis of the core material on an outer peripheral portion of the bristle material. The brush body constitutes the core material by twisting the two wire rods with the bristle material between the two wire rods, and a spiral holding surface when formed between the two wire rods. Having a structure in which the hair material is sandwiched and held,
The liquid applicator according to claim 1, wherein the bristle forming jig forms a width in the vertical direction that is wider than a pitch width in the vertical direction of the spiral holding surface. The bristle forming jig has a spiral or cylindrical interference surface that interferes with the bristle material of the brush body, and the bristle material of the brush body escapes the interference when it interferes with the interference surface. The liquid applicator according to claim 1, wherein the transverse groove is formed in an outer peripheral portion of the bristle material by being bent into a bent shape. The bristle forming jig has a spiral interference surface that interferes with the bristle of the brush body, and interferes with a portion of the bristle that interferes with the interference surface of the bristle of the brush body. The lateral grooves are formed in the outer peripheral portion of the bristle material by bending in a direction to release the hair, and the bending is performed by increasing the amount of bending of some of the bristle material bent in the direction of releasing the interference. The liquid applicator according to claim 2, wherein the horizontal groove is partially covered with a tip portion of a part of the bristle material having a large amount.

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