CN112739236A - Cosmetic applicator - Google Patents
Cosmetic applicator Download PDFInfo
- Publication number
- CN112739236A CN112739236A CN201880097697.5A CN201880097697A CN112739236A CN 112739236 A CN112739236 A CN 112739236A CN 201880097697 A CN201880097697 A CN 201880097697A CN 112739236 A CN112739236 A CN 112739236A
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- Prior art keywords
- protrusions
- curved surface
- base
- cosmetic
- fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002537 cosmetic Substances 0.000 title claims abstract description 146
- 239000000835 fiber Substances 0.000 claims abstract description 77
- -1 polyethylene Polymers 0.000 claims description 24
- 239000004952 Polyamide Substances 0.000 claims description 13
- 229920002647 polyamide Polymers 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 229920006306 polyurethane fiber Polymers 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 description 24
- 210000000720 eyelash Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 210000004709 eyebrow Anatomy 0.000 description 2
- 210000000744 eyelid Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0207—Bristles characterised by the choice of material, e.g. metal
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1046—Brush used for applying cosmetics
Abstract
A cosmetic applicator (10) is provided with: a base (12) having elasticity; a plurality of columnar protrusions (11) that are formed so as to protrude from the base (12) at intervals, respectively, and that have elasticity; and a plurality of fibers (15) bonded to the entire area of the base (12) and the protruding section (11).
Description
Technical Field
The present invention relates to a cosmetic applicator.
Background
In order to apply cosmetics such as mascara to eyelashes, a cosmetic applicator is sometimes used (for example, see patent document 1). Patent document 1 discloses a cosmetic applicator including: the brush is provided with a rod, a core arranged at the end of the rod, and a plurality of annular ribs formed on the outer peripheral surface of the core, and bristles are formed on the core and the plurality of ribs.
Documents of the prior art
Patent document
Patent document 1: specification of U.S. Pat. No. 4527575
Disclosure of Invention
Technical problem to be solved by the invention
When the cosmetic applicator such as that of document 1 is used, a powdery or liquid cosmetic is first held by the cosmetic applicator, and then the cosmetic is applied to the skin or eyelashes. Such a cosmetic applicator is required to be able to easily apply an appropriate amount of cosmetic material to a target site.
One of the objects of the present invention is to provide a cosmetic applicator that facilitates application of a suitable amount of cosmetic material to a target site.
Means for solving the technical problem
The cosmetic applicator of the present application includes: a base having elasticity; a plurality of columnar protruding portions formed to protrude from the base portion at intervals, respectively, and having elasticity; and a plurality of fibers adhered to the entire areas of the base and the protrusion.
Effects of the invention
According to the cosmetic applicator described above, a cosmetic applicator that can easily apply an appropriate amount of cosmetic to a target site can be provided.
Drawings
Fig. 1 is a schematic view showing an example of a makeup member in embodiment 1.
Fig. 2 is a front view of the cosmetic applicator according to embodiment 1.
Fig. 3 is a plan view of the cosmetic applicator according to embodiment 1.
Fig. 4 is a bottom view of the cosmetic applicator according to embodiment 1.
Fig. 5 is a right side view of the cosmetic applicator according to embodiment 1.
Fig. 6 is a left side view of the cosmetic applicator according to embodiment 1.
Fig. 7 is a schematic view showing the base portion and the pedestal portion.
Fig. 8 is a schematic cross-sectional view of a protrusion and a bent portion.
Fig. 9 is a schematic view showing an example of the makeup member in embodiment 2.
Fig. 10 is a schematic view showing the first base and the first protrusion.
Fig. 11 is a schematic view showing the second base and the second protrusion.
Fig. 12 is a schematic view showing an example of the makeup member in embodiment 3.
Detailed Description
[ description of embodiments of the invention of the present application ]
Embodiments of the invention of the present application are first listed and described. The cosmetic applicator of the present application includes: a base having elasticity; a plurality of columnar protrusions formed to protrude from the base portion at intervals, respectively, and having elasticity; and a plurality of fibers adhered to the entire areas of the base and the protrusion.
The base of the cosmetic applicator of the present application is formed with columnar projections at intervals. A plurality of fibers are bonded to the entire areas of the base portion and the protruding portion. Here, "over the entire area" means to cover not only all areas of the base and the protruding portion, but also a part of the surface of the base and the protruding portion may include a part which is not pasted. In the region to which the fibers are attached in this way, the cosmetic can be easily held. Since the base portion and the plurality of columnar protruding portions arranged independently from one another have elasticity, cosmetics can be applied particularly by the elasticity of the protruding portions. Even when the surface of the application object has irregularities, the projection can be deformed along the irregularities of the surface to apply the coating. Therefore, it is easy to apply an appropriate amount of cosmetic to the target site.
In the cosmetic applicator described above, the base portion may include a curved portion that is rod-shaped and curved. The curved portion may include a concave first curved surface constituting a part of a side surface of the curved portion, and a convex second curved surface constituting a part of the side surface of the curved portion and formed along the first curved surface. The plurality of protrusions may include a plurality of first protrusions protruding from the first curved surface and a plurality of second protrusions protruding from the second curved surface. With this configuration, the cosmetic can be applied according to the surface shape of the application target by using at least one of the concave first curved surface and the convex second curved surface. Therefore, the cosmetic can be effectively applied.
In the cosmetic applicator described above, the plurality of first projecting portions may be formed at equal intervals, respectively, and the plurality of second projecting portions may be formed at equal intervals, respectively. The interval between the first protrusions may be different from the interval between the second protrusions. By making the interval between the first projecting portions different from the interval between the second projecting portions in this way, it is possible to select an optimum projecting portion according to the application target and apply the cosmetic. Therefore, the cosmetic can be effectively applied.
In the cosmetic applicator described above, the curved portion may include a pair of side wall surfaces intersecting both the first curved surface and the second curved surface. The first curved surface may have an arc shape when viewed from the side wall surface side in plan view. The plurality of first protruding portions may be parallel to each other and extend in a direction perpendicular to a line segment connecting both ends of the arc constituting the first curved surface. By adopting such a structure, the leading ends of the first protruding portions are in a state of being opened to some extent, and the cosmetic is liable to enter between the first protruding portions when the cosmetic is temporarily held on the cosmetic application tool. In addition, when applying cosmetics, the cosmetics are also easily applied. For example, when makeup is applied to eyelashes, the eyelashes are easily introduced between the first protrusions, and the first protrusions may be used in a comb shape. Therefore, the makeup is easily applied to the eyelashes.
In the cosmetic applicator described above, the base portion may further include a rod-shaped shaft portion connected to one end portion of the curved portion and extending straight. By including the shaft portion of such a structure, the base portion can be supported by the shaft portion, and the cosmetic can be easily applied through the bent portion.
In the cosmetic applicator described above, the plurality of projecting portions may project in the same direction from the base portion. With this configuration, the cosmetic material can be applied more easily to the target position by the plurality of projecting portions which project in the same direction in a so-called brush-like manner.
In the cosmetic applicator described above, the area of the cross section perpendicular to the direction of projection from the base portion among the plurality of projection portions may be smaller as approaching the tip. By adopting such a structure, when the cosmetic is applied finely or in a narrow area, the cosmetic can be applied by the tip of the protruding portion.
In the cosmetic applicator described above, the base portion and the plurality of protruding portions may be integrally formed. By adopting such a structure, the base portion and the protruding portion can be efficiently manufactured by, for example, injection molding.
In the cosmetic applicator, the fiber length of the fiber may be 10mm or less, and the fiber diameter may be 200 μm or less. By using fibers having such a fiber length and diameter, a proper amount of cosmetic can be held between the fibers, so that the cosmetic can be easily applied.
In the cosmetic applicator described above, the plurality of protrusions may include at least one resin selected from the group consisting of polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, and polyamide. These resins have suitable elasticity and can be obtained inexpensively.
In the cosmetic applicator described above, the elastic modulus in bending of the protruding portion may be 20MPa or less. Thus, a protruding portion having appropriate flexibility can be obtained. Therefore, it is easier to apply the cosmetic.
In the cosmetic applicator described above, the fibers may be formed of at least one selected from the group consisting of polyester fibers, polyamide fibers, polyacrylonitrile fibers, and polyurethane fibers. These fibers have suitable elasticity and are available inexpensively.
[ details of the embodiments of the invention of the present application ]
Next, an embodiment of the cosmetic applicator according to the present invention will be described with reference to the drawings. In the following drawings, the same or corresponding portions are denoted by the same reference numerals, and description thereof will not be repeated.
(embodiment mode 1)
Fig. 1 is a schematic view showing an example of a makeup member in embodiment 1. Fig. 2 is a front view of the cosmetic applicator according to embodiment 1. Fig. 2 is a view of the cosmetic applicator as viewed in the direction opposite to the arrow direction in the Y-axis direction of fig. 1. Fig. 3 is a plan view of the cosmetic applicator according to embodiment 1. Fig. 3 is a view of the cosmetic applicator as viewed in the direction opposite to the arrow direction in the Z-axis direction of fig. 2. Fig. 4 is a bottom view of the cosmetic applicator according to embodiment 1. Fig. 4 is a view of the cosmetic applicator as viewed in the direction of the arrow in the Z-axis direction of fig. 2. Fig. 5 is a right side view of the cosmetic applicator according to embodiment 1. Fig. 5 is a view of the cosmetic applicator as viewed in the direction of the arrow in the X-axis direction of fig. 2. Fig. 6 is a left side view of the cosmetic applicator according to embodiment 1. Fig. 6 is a view of the cosmetic applicator as viewed in the direction opposite to the arrow direction in the X-axis direction of fig. 2. In fig. 1, the X-axis direction is a direction along the longitudinal direction of the grip portion connected to the cosmetic applicator, the Z-axis direction is a protruding direction of the first protruding portion protruding from the base portion, and the Z-axis direction is a direction perpendicular to the X-Y plane. In fig. 1 to 6, the fibers adhered to the protruding portion and the base portion are shown in a simplified manner.
Referring to fig. 1 to 6, the makeup member 1 includes a makeup application tool 10 that holds a makeup and applies the makeup to an application object, and a grip portion 20 that a user using the makeup member 1 grips when applying the makeup. The grip portion 20 includes a first member 21 and a second member 22. The second member 22 is solid and cylindrical in shape. A cylindrical protrusion 221 protruding in the arrow direction in the X-axis direction is formed at one end of the second member 22. The first member 21 is hollow cylindrical. The outer diameter of the first member 21 is formed slightly smaller than the outer diameter of the second member 22. The protrusion 221 can be fitted into an opening on one side of the first member 21. Therefore, in the grip portion 20, the first member 21 is separable.
The cosmetic applicator 10 is disposed at an end 20A of the first member 21 opposite to the second member 22. The cosmetic applicator 10 includes a plurality of protrusions 11, a base 12, a base 14, and a plurality of fibers 15. Fig. 7 is a schematic view showing the base portion 12 and the pedestal portion 14. Fig. 7 is a view showing a state where the fibers 15 are removed from the cosmetic applicator 10 shown in fig. 2. Referring to fig. 1 and 7, the base portion 14 has elasticity. The base portion 14 includes a hollow cylindrical peripheral wall portion 141. The outer diameter of the peripheral wall portion 141 becomes smaller toward the direction opposite to the direction indicated by the arrow in the X-axis direction. The base portion 12 is disposed so as to cover one opening of the peripheral wall portion 141. A recess 144A recessed annularly on the inner diameter side is formed on the outer peripheral surface of the peripheral wall 141. The recess 144A is formed at a side near the opening 142. The first member 21 is disposed on the other opening 142 side of the peripheral wall 141. The peripheral wall portion 141 can be fitted into the opening formed in the end portion 20A of the first member 21 by its elastic deformation. The peripheral wall portion 141 is pushed into the first member 21, and the concave portion 144A is fitted into the convex portion 211 formed on the inner wall surface of the first member 21, thereby restricting the movement of the cosmetic applicator 10 toward the grip portion 20. As a result, the cosmetic applicator 10 is positioned.
In the present embodiment, the base portion 14 is made of resin. The base portion 14 is composed of a component containing at least one resin selected from the group consisting of polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, and polyamide.
The base 12 includes a rod-shaped shaft portion 121 extending in the X-axis direction and a rod-shaped bent portion 123 bent with respect to the X-axis direction. The shaft portion 121 includes a sidewall surface 121C. When viewed from the Y-axis direction in plan, the distance between one end 121A of the sidewall surface 121C and the other end 121B of the sidewall surface 121C becomes shorter in the direction of the arrow in the X-axis direction. When viewed from the Y-axis direction in plan, end 121A is linear and end 121B is curved. One end of the shaft 121 is connected to the base 14. A step V is provided between the sidewall surface 121C of the shaft portion 121 and the peripheral wall portion 141 of the base portion 14. The other end of the shaft 121 is connected to one end of the bending portion 123.
The bent portion 123 includes a first curved surface 123A and a second curved surface 123B that constitute a part of a side surface of the bent portion 123, and a pair of side wall surfaces 123C and 123D that intersect both the first curved surface 123A and the second curved surface 123B. The central region of the first curved surface 123A is recessed in the direction opposite to the arrow direction in the Z-axis direction. The central region of the second curved surface 123B protrudes in the direction opposite to the arrow direction in the Z-axis direction. The first curved surface 123A and the second curved surface 123B are arranged at intervals in the Z-axis direction with the side wall surfaces 123C and 123D interposed therebetween. The first curved surface 123A and the second curved surface 123B are arc-shaped when viewed from the Y axis direction in plan view. A line segment M connecting both ends of the arc constituting the first curved surface 123A is parallel to the X-axis direction. The curvature of the arc constituting the second curved surface 123B is larger than that of the arc constituting the first curved surface 123A. In fig. 7, from the viewpoint of easy understanding, the first curved surface 123A and the second curved surface 123B are shown by broken lines.
The base 12 has elasticity. In the present embodiment, the base 12 is made of resin. The base 12 is composed of a component containing at least one resin selected from the group consisting of polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, and polyamide.
The plurality of protrusions 11 include a plurality of first protrusions 181-192 formed on the first curved surface 123A and a plurality of second protrusions 151-177 formed on the second curved surface 123B. In the present embodiment, the side wall surfaces 123C and 123D are not provided with the protruding portion 11. The first protrusions 181-192 have a columnar shape and are formed of 12 protrusions 11. The first protrusions 181-192 protrude in the direction of the arrow in the Z-axis direction. The first protrusions 181-192 are arranged in parallel along the Y-Z plane. The direction in which the first projecting portions 181 to 192 project (Z-axis direction) is orthogonal to a line segment M connecting both ends of the arc constituting the first curved surface 123A. The first protrusions 181-192 are arranged at intervals along the X-axis direction when viewed from the top in the direction (Z-axis direction) in which the first protrusions 181-192 protrude. In the first protrusions 181-192, the respective interval lengths are formed to be the same. The distance between the first protrusions 181-192 is the distance between the distal ends of the first protrusions 181-192. The first protrusion 186 is spaced from the first protrusion 187 by a length L4For example about 0.9 mm. The first protrusions 181-192 in the present embodiment have a flexural modulus of elasticity of 20MPa or less. Here, as a method for measuring the flexural modulus, for example, the following methods are used in accordance with JIS K7171: 2016.
The first protrusions 181-192 are formed so that the first protrusion 186 has the highest protrusion height. The projection height is the height of the first projections 181-192 in the direction in which the first projections 181-192 project (Z-axis direction). The protruding height L of the first protruding portion 1863For example about 2 mm. The first protrusions 181-186 are formed so that the protrusion heights thereof gradually decrease toward the distal end side of the base 12. Similarly, the first protrusions 187 are formed to have the highest protrusion height among the first protrusions 187 to 192. The first protrusions 187-192 are formed to have a gradually decreasing height toward the shaft 121. The tip parts of the first protrusions 181-192 are arranged in line along the X-axis direction.
The second protrusions 151 to 177 have a columnar shape and are constituted by 27 protrusions 11. The second protrusions 151 to 177 are formed along an arc shape constituting the second curved surface 123B at intervals when viewed in a plan view in the Y-axis direction. The second protrusions 151 to 177 radially protrude in a plan view in the Y-axis direction, and protrude in a direction perpendicular to a line segment connecting end portions of regions where the second protrusions 151 to 177 and the second curved surface 123B are in contact with each other. Fig. 7 illustrates a line segment N connecting end portions of regions where the second protruding portion 168 and the second curved surface 123B abut against each other, from the viewpoint of easy understanding. In the second protrusions 151 to 177, the respective interval lengths are formed to be the same. The interval length L between the second protrusion 165 and the second protrusion 1661About 0.5 mm. The intervals between the second protrusions 151 to 177 are narrower than the intervals between the first protrusions 181 to 192. The second protrusions 151 to 177 are formed to have the same protrusion height. The protrusion height is the height of the second protrusions 151-177 in the protrusion direction of the second protrusions 151-177. The protruding height L of the second protruding portion 1662About 2 mm. The second protrusions 151 to 177 in the embodiment have a flexural modulus of elasticity of 20MPa or less.
Fig. 8 is a schematic sectional view of the protruding portion 11 and the bent portion 123. Fig. 8 is a sectional view when the protruding portion 11 and the base portion 12 are cut along a plane shown by I-I in fig. 7. Referring to fig. 8, the first protruding portion 186 has a tapered shape in which the cross-sectional area decreases in a cross section (X-Y plane) perpendicular to the protruding direction (Z-axis direction). Similarly, the first protrusions 181-192 other than the first protrusion 186 are formed so that the cross-sectional area on the X-Y plane is reduced. The second projecting portion 166 has a tapered shape in which the cross-sectional area in a cross section (X-Y plane) perpendicular to the direction in which the second projecting portion 166 projects (Z-axis direction) is reduced. Similarly, the second protrusions 151 to 177 other than the second protrusion 166 are formed so that the cross-sectional area of the cross-section perpendicular to the protruding direction thereof is reduced.
The projection 11 has elasticity. The protrusion 11 is composed of at least one resin selected from the group consisting of polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, and polyamide.
In the present embodiment, the protruding portion 11, the base portion 12, and the pedestal portion 14 are formed integrally without a seam. The components constituting the protruding portion 11, the base portion 12, and the pedestal portion 14 are the same. In the base 12, the bent portion 123 and the shaft portion 121 are formed integrally without a seam.
Referring to fig. 2 to 7, the base 12, the first protrusions 181 to 192, and the second protrusions 151 to 177 are bonded over their entire areas with a plurality of fibers 15. The term "to be pasted on the whole area" means not only to cover all the areas of the base 12, the first protrusions 181 to 192, and the second protrusions 151 to 177, but also to include a part of the surface of the base 12, the first protrusions 181 to 192, and the second protrusions 151 to 177 which is not pasted. In the base portion 12, the fibers 15 are formed over the entire regions of the first curved surface 123A, the second curved surface 123B, the sidewall surface 123C, and the shaft portion 121.
The fibers 15 are short fibers having a fiber length of 10mm or less. The fiber length of the fibers 15 is preferably 9.65mm or less, more preferably 5mm or less, and further preferably 1.8mm or less. By setting the fiber length of the fibers 15 to 10mm or less, a proper amount of cosmetic is held between the fibers, and the cosmetic is easily applied. The lower limit of the fiber length of the fiber 15 is, for example, 0.1 mm. The diameter of the fibers 15 is 200 μm or less. The diameter of the fibers 15 is preferably 193 μm or less, more preferably 50 μm or less, and further preferably 19.3 μm or less. By setting the diameter of the fibers 15 to 200 μm or less, a proper amount of cosmetic is held between the fibers, and the cosmetic is easily applied. The lower limit of the diameter of the fiber 15 is, for example, 3 μm. In the present embodiment, the fiber length of the fibers 15 is formed shorter than the intervals between the first protrusions 181 to 192 and the second protrusions 151 to 177. In the present embodiment, the fibers 15 are polyamide fibers. The fibers 15 may be polyester fibers, polyamide fibers, polyacrylonitrile fibers, polyurethane fibers, or the like, in addition to the polyamide fibers.
Next, a method for manufacturing the cosmetic applicator 10 according to embodiment 1 will be briefly described. First, a process of preparing a structure corresponding to the cosmetic applicator 10 to which the fibers 15 shown in fig. 2 are not attached is performed. The structure is formed by, for example, injection molding. The portions corresponding to the base 12, the first protrusions 181-192, the second protrusions 151-177, and the base 14 are formed by integral molding. Then, in the structure, a step of applying a liquid adhesive is performed by exposing the surfaces of the portions corresponding to the base 12, the first protrusions 181 to 192, and the second protrusions 151 to 177. After the application of the liquid adhesive, a so-called flocking process, i.e., a process of attaching the fibers 15 using an electrostatic flocking device, is performed. More specifically, a structure is provided on the ground electrode in the electrostatic flocking device so that the surfaces of the portions corresponding to the base 12, the first protrusions 181 to 192, and the second protrusions 151 to 177 are exposed. The fibers 15 are bonded to the surfaces of the base 12, the first protrusions 181-192, and the second protrusions 151-177 by supplying the fibers 15 while applying a high voltage. After the flocking process, a step of drying the adhesive is performed. In this way, the cosmetic applicator 10 with the fibers 15 adhered thereto is formed. The grip 20 is connected to the cosmetic applicator 10 to obtain the cosmetic member 1 according to embodiment 1.
Here, in the cosmetic applicator 10 according to embodiment 1, the first protrusions 181 to 192 and the second protrusions 151 to 177 having a columnar shape are formed at intervals in the bending portion 123. A plurality of fibers 15 are bonded to the entire area of the base 12, the first protrusions 181-192, and the second protrusions 151-177. Thus, in the area to which the fibers 15 are attached, the cosmetic is easily held. Since the base 12 and the columnar first protrusions 181-192 and second protrusions 151-177 independently arranged one by one have elasticity, cosmetics can be applied by utilizing the elasticity of the first protrusions 181-192 and second protrusions 151-177 in particular. Even when the surface of the object to be coated has irregularities, the first protrusions 181-192 and the second protrusions 151-177 can be deformed along the irregularities of the surface to be coated. Therefore, it is easy to apply an appropriate amount of cosmetic to the target site.
The cosmetic applicator 10 according to embodiment 1 can be suitably used when applying a powdery or liquid cosmetic. In particular, the cosmetic applicator 10 in embodiment 1 can be suitably used when applying mascara for making eyelashes appear thick and long.
In the above embodiment, the base 12 includes the bent portion 123 having a bar shape and being bent. The curved portion 123 includes a concave first curved surface 123A constituting a part of a side surface of the curved portion 123 and a convex second curved surface 123B constituting a part of a side surface of the curved portion 123 and formed along the first curved surface 123A. The plurality of protrusions 11 include a plurality of first protrusions 181-192 protruding from the first curved surface 123A and a plurality of second protrusions 151-177 protruding from the second curved surface 123B. By adopting such a configuration, cosmetics can be applied according to the surface shape of the application object by using the concave first curved surface 123A or the convex second curved surface 123B. Therefore, the cosmetic can be effectively applied.
In the above embodiment, the first protrusions 181 to 192 are formed at equal intervals. The second protrusions 151 to 177 are formed at equal intervals. The intervals between the first protrusions 181-192 are different from the intervals between the second protrusions 151-177. By making the intervals between the first protrusions 181-192 different from the intervals between the second protrusions 151-177, the optimal protrusions can be selected according to the application object, and the cosmetic can be applied. Therefore, the cosmetic can be effectively applied.
In the above embodiment, the curved portion 123 includes the pair of side wall surfaces 123C and 123D intersecting both the first curved surface 123A and the second curved surface 123B. The first curved surface 123A is arc-shaped when viewed from the Y-axis direction in plan. The first protrusions 181 to 192 are parallel to each other and extend in a direction (Z-axis direction) perpendicular to a line segment M connecting both ends of an arc constituting the first curved surface 123A. By adopting such a configuration, the front ends of the first projecting portions 181 to 192 are in a state of being opened to some extent, and when the cosmetic applicator 10 is caused to temporarily hold the cosmetic, the cosmetic is liable to enter between the first projecting portions 181 to 192. In addition, when applying cosmetics, the cosmetics are also easily applied. For example, when makeup is applied to eyelashes, the eyelashes are easily inserted between the first protrusions 181 to 192, and the first protrusions 181 to 192 may be used in a comb shape. Therefore, the makeup is easily applied to the eyelashes.
In the above embodiment, the base 12 includes the rod-shaped shaft portion 121 connected to one end portion of the bent portion 123 and extending in the X-axis direction. By including the shaft portion 121 of such a structure, the base 12 can be supported by the shaft portion 121, and the cosmetic can be easily applied through the bent portion 123.
In the above embodiment, the first protrusions 181 to 192 and the second protrusions 151 to 177 have cross-sectional areas perpendicular to the direction of protrusion from the bent portion 123 that decrease as they approach the distal end. By using the first protrusions 181 to 192 and the second protrusions 151 to 177 having such shapes, cosmetics can be applied according to the shape of an object to be applied.
In the above embodiment, the base 12, the first protrusions 181 to 192, and the second protrusions 151 to 177 are integrally formed. By adopting such a structure, the base 12, the first protrusions 181-192, and the second protrusions 151-177 can be efficiently manufactured by, for example, injection molding.
In the above embodiment, the first protrusions 181 to 192 and the second protrusions 151 to 177 include at least one resin selected from the group consisting of polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, and polyamide. These resins have suitable elasticity and can be obtained inexpensively.
In the above embodiment, the flexural modulus of elasticity of the first projections 181 to 192 and the second projections 151 to 177 is 20MPa or less. Thus, the protruding portion 11 having appropriate flexibility can be formed. Therefore, it is easier to apply the cosmetic.
In the above embodiment, the fiber 15 is a polyamide fiber, but is not limited thereto, and the fiber 15 may be composed of at least one selected from the group consisting of a polyester fiber, a polyamide fiber, a polyacrylonitrile fiber, and a polyurethane fiber. These fibers 15 have a suitable elasticity and can be obtained inexpensively.
In the above embodiment, the fibers 15 are bonded to the entire area of the base 12, the first protruding portions 181 to 192, and the second protruding portions 151 to 177, but the present invention is not limited to this, and the fibers 15 may be bonded to the entire area of the base 12 excluding the shaft portion 121 without bonding the fibers 15 to the shaft portion 121. The fibers 15 may be adhered to the entire region of the bent portion 123, and the fibers 15 may not be adhered to the region of the base portion 12 other than the bent portion 123.
In the above embodiment, the case where the plurality of protruding portions 11 are formed on the first curved surface 123A and the second curved surface 123B has been described, but the present invention is not limited to this, and the plurality of protruding portions 11 may be formed on the first curved surface 123A and the second curved surface 123B and also on the side wall surfaces 123C and 123D. Further, it may be formed on one of the side wall surfaces 123C and 123D.
In the above embodiment, the case where the base portion 12 includes the shaft portion 121 has been described, but the present invention is not limited to this, and the base portion 12 may be configured not to include the shaft portion 121.
In the above embodiment, the case where the protruding portion 11, the base portion 12, and the pedestal portion 14 are integrally formed has been described, but the present invention is not limited thereto, and the respective members may be made of different materials depending on the shape.
In the above embodiment, the first protrusions 181 to 192 and the second protrusions 151 to 177 are formed at equal intervals, but the present invention is not limited thereto, and the first protrusions 181 to 192 and the second protrusions 151 to 177 may be formed at unequal intervals.
In the above embodiment, the case where the distal end portions of the first protrusions 181 to 192 are arranged in line along the X-axis direction has been described, but the present invention is not limited to this, and the respective protrusion heights of the first protrusions 187 to 192 may be the same.
In the above embodiment, the case where the concave portion 144A of the peripheral wall portion 141 is fitted into the convex portion 211 of the first member 21 as the structure for attaching the cosmetic applicator 10 to the first member 21 has been described, but the attachment may be performed by any of the following various methods, in addition to or instead of this. For example, the boss 211 is not formed on the first member 21, and a plurality of through holes penetrating in the radial direction for inserting caulking pins are formed on the first member 21. Then, the caulking pin can be inserted from the outer peripheral surface side of the first member 21 through the through hole so that the tip end of the caulking pin is fitted into the recess 144A formed in the peripheral wall portion 141. Alternatively, an adhesive may be applied to at least one of the outer peripheral surface of the peripheral wall portion 141 and the inner peripheral surface of the first member 21 to attach the peripheral wall portion 141 and the first member 21 to each other. Further, for example, a plurality of convex portions may be formed on the inner peripheral surface of the first member 21 at positions corresponding to the concave portions 144A formed in the peripheral wall portion 141 by knurling, and the peripheral wall portion 141 may be attached to the first member 21 by fitting the plurality of convex portions into the concave portions 144A.
In the above embodiment, the case where the protrusion 221 of the second member 22 is fitted into the opening of the first member 21 as the structure for attaching the second member 22 to the first member 21 has been described, but the present invention is not limited to this or other structures, and the attachment may be performed by the following various methods. For example, the first member 21 and the second member 22 may be attached to each other by applying an adhesive to at least one of the surface of the protrusion 221 of the second member 22 and the inner peripheral surface of the first member 21. In addition, a plurality of convex portions are formed on the inner peripheral surface of the first member 21, and a plurality of concave portions are formed on the surface of the protrusion portion 221 of the second member 22, for example, by knurling. The second member 22 may be attached to the first member 21 by fitting a plurality of convex portions formed on the inner peripheral surface of the first member 21 into a plurality of concave portions formed on the surface of the protrusion 221.
(embodiment mode 2)
Next, embodiment 2 of the cosmetic applicator of the present application will be described. The cosmetic applicator according to embodiment 2 achieves the same effects as those of the cosmetic applicator 10 according to embodiment 1. However, the cosmetic applicator according to embodiment 2 is different from the case of embodiment 1 in that the base portion 14 is not included in the structures of the base portion 12 and the protruding portion 11. Hereinafter, differences from the case of embodiment 1 will be mainly described.
Fig. 9 is a schematic view showing an example of the makeup member in embodiment 2. Referring to fig. 9, the makeup member 2 includes a makeup application tool 10 and a grip 20. The grip portion 20 includes a rod-shaped body portion 31 extending in the X-axis direction, a first protrusion 33, and a second protrusion 34. The first protrusion 33 is disposed at one end in the longitudinal direction (X-axis direction) of the body 31. The first projection 33 projects in the direction opposite to the arrow direction in the X-axis direction. The second protrusion 34 is disposed at the other end in the longitudinal direction (X-axis direction) of the body 31. The second projection 34 projects in the arrow direction in the X-axis direction. A length L of the holding part 20 in the Y-axis direction when viewed from the Z-axis direction in plan view5Length L in Y-axis direction of first protrusion 33 and second protrusion 346Long.
The cosmetic applicator 10 includes a protrusion 11, a base 12, and fibers 15. The base 12 includes a first base 125 and a second base 126. The area of the second base portion 126 is larger than the area of the first base portion 125 when viewed from the Z-axis direction in plan.
Fig. 10 is a schematic view showing the first base 125 and the first protrusion. Fig. 10 is a view showing a state where the fibers 15 are removed from the cosmetic applicator 10 shown in fig. 9. Referring to fig. 9 and 10, the first base 125 is disposed on the opposite side of the first protrusion 33 from the main body 31. The plurality of first protruding portions 113A to 113D are formed so as to be located on the opposite side of the first protruding portion 33 when viewed from the first base portion 125. The first protruding portions 113A to 113D have a columnar shape. The first protruding portions 113A to 113D protrude from the first base portion 125 in the direction opposite to the arrow direction in the X-axis direction. The first protruding portions 113A to 113D are formed at intervals in the Y-axis direction. The first protruding portions 113A to 113D are formed so that the lengths of the respective intervals are the same. The first protruding portions 113A to 113D have smaller areas in cross-sections perpendicular to the direction in which the first protruding portions 113A to 113D protrude (X-axis direction) as they approach the distal ends. The first protruding portions 113A to 113D have their distal ends arranged in the Y-axis direction.
Fig. 11 is a schematic view showing the second base 126 and the second protrusion. Referring to fig. 11, the second base portion 126 is disposed on the opposite side of the second protrusion portion 34 from the main body portion 31. The plurality of second protruding portions 114A to 114G are formed so as to be located on the opposite side of the second protruding portion 34 when viewed from the second base portion 126. The second protruding portions 114A to 114G have a columnar shape. The second protruding portions 114A to 114G protrude from the second base portion 126 in the arrow direction in the X-axis direction. The first protruding portions 113A to 113D have respective protruding heights L7And the respective projection heights L of the second projections 114A to 114G8And (5) the consistency is achieved. Here, the projection height refers to the height of the first projection portions 113A to 113D and the second projection portions 114A to 114G in the direction (X-axis direction) in which the first projection portions 113A to 113D and the second projection portions 114A to 114G project. The second protruding portions 114A to 114G are formed at intervals in the Y-axis direction. In the second protruding portions 114A to 114G, the lengths of the respective intervals are formed to be the same. The second protruding portions 114A to 114G have smaller cross-sectional areas in cross-sections perpendicular to the direction in which the second protruding portions 114A to 114G protrude (X-axis direction) as they approach the distal ends. The distal ends of the second protrusions 114A to 114G are arranged in line along the Y-axis direction.
The plurality of fibers 15 are bonded to the entire areas of the first base 125, the second base 126, the first protrusions 113A to 113D, and the second protrusions 114A to 114G.
With the cosmetic applicator 10 having the configuration of embodiment 2, it is also easy to apply an appropriate amount of cosmetic material to a target site, as in embodiment 1.
Further, the cosmetic applicator 10 according to embodiment 2 can be used appropriately when applying a powdery or liquid cosmetic. In particular, the cosmetic applicator 10 according to embodiment 2 can be suitably used when applying an eye shadow as a cosmetic for adding a shadow to the eyes. The first protrusions 113A to 113D or the second protrusions 114A to 114G of the cosmetic applicator 10 may be used separately according to the location to which the cosmetic is applied. For example, an eye shadow may be applied to the lower eyelid by the first protrusions 113A to 113D, and an eye shadow may be applied to the upper eyelid by the second protrusions 114A to 114G.
In the above embodiment, the first protruding portions 113A to 113D protrude from the first base portion 125 in the same direction (X-axis direction). Similarly, the second protruding portions 114A to 114G protrude from the second base portion 126 in the same direction (X-axis direction). With this configuration, the first protruding portions 113A to 113D or the second protruding portions 114A to 114G protruding in the same direction make it easier to apply the cosmetic to the target position.
(embodiment mode 3)
Next, embodiment 3 of the cosmetic applicator of the present application will be described. The cosmetic applicator according to embodiment 3 achieves the same effects as those of the cosmetic applicator 10 according to embodiment 1. However, the cosmetic applicator according to embodiment 3 is different from the case of embodiment 1 in that the base portion 14 is not included in the structures of the base portion 12 and the protruding portion 11. Hereinafter, differences from the case of embodiment 1 will be mainly described.
Fig. 12 is a schematic view showing an example of the makeup member in embodiment 3. Referring to fig. 12, the makeup member 3 includes a makeup application tool 10 and a grip 20. The grip portion 20 has a rod-like shape extending in the X-axis direction. The cosmetic applicator 10 is disposed at one end of the grip 20 in the longitudinal direction (X-axis direction).
The cosmetic applicator 10 includes a plurality of protrusions 115A to 115G, a base 127, and fibers 15. The plurality of protruding portions 115A to 115G are formed so as to be located on the opposite side of the side where the grip portion 20 is located, as viewed from the base portion 12. The protruding portions 115A to 115G have columnar shapes. The protruding portions 115A to 115G protrude from the base portion 127 in the direction opposite to the arrow direction in the X-axis direction. The protruding portions 115A to 115G are formed at intervals in the Y-axis direction. The protruding heights of the protruding portions 115A to 115G are formed to become gradually lower toward the arrow direction in the Y-axis direction. Here, the protrusion height refers to the height of the protruding portions 115A to 115G in the protruding direction (X-axis direction). Among the protruding portions 115A to 115G, the protruding height L of the protruding portion 115A9The highest is formed. Among the protruding portions 115A to 115G, the protruding height L of the protruding portion 115G10Form aIs the lowest.
A plurality of fibers 15 are bonded to the entire regions of the protruding portions 115A to 115G and the base portion 127.
With the cosmetic applicator 10 having the configuration of embodiment 3, it is also easy to apply an appropriate amount of cosmetic material to a target site, as in embodiment 1.
Further, the cosmetic applicator 10 according to embodiment 3 can be used appropriately when applying a powdery or liquid cosmetic. In particular, the cosmetic applicator 10 according to embodiment 3 can be suitably used as an eyebrow brush for applying a cosmetic to eyebrows.
It should be understood that the embodiments disclosed herein are illustrative in all respects, and are not restrictive in any respect. The scope of the invention is intended to be defined by the claims, rather than the description above, and all changes that come within the meaning and range of equivalency of the claims are intended to be embraced therein.
Industrial applicability of the invention
The cosmetic applicator of the present invention can be applied particularly advantageously to a cosmetic applicator that requires easy application of an appropriate amount of cosmetic to a target site.
Description of the reference numerals
1. 2, 3 cosmetic members; 10 cosmetic applicators; 11. 115A, 115B, 115C, 115D, 115E, 115F, 115G protrusions; 12. 127 a base portion; 14a base part; 15 fibers; 20a holding part; 20A end portion; 21a first member; 22 a second member; 31 a main body portion; 33 a first protrusion; 34 a second protrusion; 113A, 113B, 113C, 113D, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192; 114A, 114B, 114C, 114D, 114E, 114F, 114G, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177 second protrusions; 121a shaft portion; 121A, 121B end; sidewall surfaces 121C, 123D; 123a bending part; 123A first curved surface; 123B second curved surface; 125 a first base; 126 a second base; 141 peripheral wall parts; 142 opening; 143 a cover portion; 144A recess; 211 a convex part; 221 a projection.
Claims (12)
1. A cosmetic applicator is provided with:
a base having elasticity;
a plurality of columnar projections formed to project from the base portion at intervals, respectively, and having elasticity; and
and a plurality of fibers adhered to the entire areas of the base and the protrusion.
2. The cosmetic application device according to claim 1,
the base portion includes a bent portion having a bar shape and being bent,
the bending part includes:
a first concave curved surface that constitutes a part of a side surface of the curved portion; and
a convex second curved surface which constitutes a part of a side surface of the curved portion and is formed along the first curved surface,
the plurality of projections include:
a plurality of first protrusions protruding from the first curved surface; and
and a plurality of second protrusions protruding from the second curved surface.
3. The cosmetic application device according to claim 2,
the plurality of first protruding portions are formed at equal intervals, respectively, the plurality of second protruding portions are formed at equal intervals, respectively,
the interval between the first protrusions is different from the interval between the second protrusions.
4. The cosmetic application device according to claim 2 or 3,
the curved portion includes a pair of side wall surfaces intersecting both the first curved surface and the second curved surface,
the first curved surface is arc-shaped when viewed from the side wall surface side in plan view,
the plurality of first protrusions are parallel to each other and extend in a direction perpendicular to a line segment connecting both ends of an arc constituting the first curved surface.
5. The cosmetic application device according to any one of claims 2 to 4,
the base portion further includes a rod-shaped shaft portion connected to one end portion of the bent portion and extending straight.
6. The cosmetic application device according to claim 1,
the plurality of protruding portions protrude from the base portion in the same direction.
7. The cosmetic application device according to any one of claims 1 to 6,
the plurality of protruding portions have a shape in which the area of a cross section perpendicular to the direction of protruding from the base portion becomes smaller as approaching the distal end.
8. The cosmetic application device according to any one of claims 1 to 7,
the base and the plurality of projections are integrally formed.
9. The cosmetic application device according to any one of claims 1 to 8,
the fiber has a fiber length of 10mm or less and a diameter of 200 μm or less.
10. The cosmetic application device according to any one of claims 1 to 9,
the protrusion includes at least one resin selected from the group consisting of polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polycarbonate, and polyamide.
11. The cosmetic application device according to any one of claims 1 to 10,
the protrusion has a flexural modulus of elasticity of 20MPa or less.
12. The cosmetic application device according to any one of claims 1 to 11,
the fibers are composed of at least one selected from the group consisting of polyester fibers, polyamide fibers, polyacrylonitrile fibers, and polyurethane fibers.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/034471 WO2020059020A1 (en) | 2018-09-18 | 2018-09-18 | Cosmetic applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112739236A true CN112739236A (en) | 2021-04-30 |
Family
ID=69886955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880097697.5A Pending CN112739236A (en) | 2018-09-18 | 2018-09-18 | Cosmetic applicator |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6823165B2 (en) |
| KR (1) | KR102564710B1 (en) |
| CN (1) | CN112739236A (en) |
| TW (2) | TW202027646A (en) |
| WO (1) | WO2020059020A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037205A1 (en) * | 2022-08-15 | 2024-02-22 | 洽兴包装工业（中国）有限公司 | Cosmetic applicator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI783852B (en) * | 2022-01-10 | 2022-11-11 | 儷寶化粧品股份有限公司 | Applicator |
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| BR0300549A (en) * | 2002-03-05 | 2003-11-11 | Oreal | Devices for combing the eyelashes and / or eyebrows and / or applying a product on the eyelashes, for applying a product on the eyelashes and / or the eyebrows and for wrapping and applying a product on the eyelashes and / or the eyebrows; eyelash and / or eyebrow makeup, making a brush and applying a product on the eyelashes and / or eyebrows and brush for applying a product on the eyelashes and / or eyebrows |
| FR2838936B1 (en) * | 2002-04-30 | 2004-12-24 | Oreal | DEVICE FOR APPLYING A PRODUCT, ESPECIALLY COSMETIC, COVERED WITH A FLOCK OF DIFFERENT TYPES OF FIBERS |
| JP2006204904A (en) * | 2004-12-28 | 2006-08-10 | Kao Corp | Mascara applicator |
| JP5260234B2 (en) * | 2008-11-04 | 2013-08-14 | 株式会社コーセー | Mascara brush |
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- 2018-09-18 KR KR1020217010024A patent/KR102564710B1/en active IP Right Grant
- 2018-09-18 WO PCT/JP2018/034471 patent/WO2020059020A1/en active Application Filing
- 2018-09-18 CN CN201880097697.5A patent/CN112739236A/en active Pending
- 2018-09-18 JP JP2019516275A patent/JP6823165B2/en active Active
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- 2019-03-28 TW TW109110857A patent/TW202027646A/en unknown
- 2019-03-28 TW TW108110814A patent/TWI692326B/en active
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| US4527575A (en) * | 1981-09-14 | 1985-07-09 | The Bridgeport Metal Goods Manufacturing Co. | Contoured flocked cosmetics brush flexers |
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| WO2024037205A1 (en) * | 2022-08-15 | 2024-02-22 | 洽兴包装工业（中国）有限公司 | Cosmetic applicator |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202011858A (en) | 2020-04-01 |
| JP6823165B2 (en) | 2021-01-27 |
| TW202027646A (en) | 2020-08-01 |
| JPWO2020059020A1 (en) | 2020-12-17 |
| KR102564710B1 (en) | 2023-08-08 |
| TWI692326B (en) | 2020-05-01 |
| KR20210087436A (en) | 2021-07-12 |
| WO2020059020A1 (en) | 2020-03-26 |
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