JP2009022340A - Antibacterial cosmetic applicator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an antibacterial cosmetic applicator that can keep a cosmetic material in an aseptic condition for a long time without leaking the cosmetic material contained inside, without requiring direct mixture of antibacterial agent with the cosmetic material, and without spread of contamination of the inside cosmetic material even when the contaminated cosmetic material is repeatedly applied and stored. <P>SOLUTION: The antibacterial cosmetic applicator includes a cosmetic material storing section in which a cosmetic material is stored, an application section constituted by an application member and a handle section that supports the application member, and a cap that fits the application section in a detachable manner. A retaining section is provided between the cosmetic material storing section and the application section adjacent to the cosmetic material storing section, and a leakage preventing section is provided adjacent to the application section. The leakage preventing section prevents the cosmetic material from being leaked and the retaining section is formed of an inner surface that contains a silver-based antibacterial agent, a hole through which the cosmetic material flows out to the cosmetic material storing section, and a check valve above the hole that prevents the cosmetic material from flowing backward. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a liquid cosmetic material having fluidity in which cosmetic powder is dissolved in water or the like, or a cosmetic material storage portion for storing powdered cosmetic material having fluidity, an application member, and a handle portion for supporting the application member. The present invention relates to a cosmetic applicator comprising an applicator part and a cap that detachably covers the applicator part, and in particular, has antibacterial performance against cosmetics contaminated with bacteria by contact with the skin The present invention also relates to an antibacterial cosmetic applicator having a leakage prevention function.

  Conventionally, as a cosmetic applicator in which a cosmetic storage unit and an applicator unit are integrated, various applicators that have been improved for easy delivery of contents and technologies aimed at downsizing from the viewpoint of portability have been proposed. Yes.

  In the case of an integrated applicator, various applicators have been proposed that have a structure in which a cap is fitted to the applicator portion during storage to prevent leakage of the contents while being used, and the cap is removed during use.

  As this type of applicator, for example, European Patent No. 1485302 (Patent Document 1) uses a spring mechanism of a built-in bellows-type elastic member to project the applicator portion and to separate the contents in use during use. Thus, there has been disclosed an applicator having a structure that prevents leakage to others, pushes in the applicator during storage, and blocks outflow of contents with one touch.

  As an example of another integrated applicator, US Pat. No. 6,659,109 (Patent Document 2) discloses an applicator in which a powder cosmetic is incorporated in a bottle-type container and directly connected to a sponge-like applicator. .

  As another example of an integrated cosmetic applicator, Japanese Utility Model Laid-Open No. 63-136513 (Patent Document 3) proposes a pressure-type cosmetic applicator brush incorporating cosmetics.

  On the other hand, in order to respond to the market needs regarding antibacterial properties, Japanese Patent Application Laid-Open No. 07-236517 (Patent Document 4) and Japanese Patent Application Laid-Open No. No. 023925 (Patent Document 5) and the like.

  In these integrated cosmetic applicators described above, when cosmetics are applied, the cosmetics contaminated with bacteria due to contact with the skin spread through the application part to the cosmetics storage part. There is a risk of contamination of the cosmetics in the department.

  When trying to impart antibacterial properties to cosmetics, a typical method is to add an antibacterial agent directly to the cosmetics, but there are drugs that can be used from the viewpoint of irritation to the skin and safety to the human body. The amount used is limited, and there is a risk of alteration or discoloration resulting from the reaction between the antibacterial agent and the cosmetic.

European Patent No. 1485302 US Pat. No. 6,659,109 Japanese Utility Model Publication No. 63-136513 Japanese Unexamined Patent Publication No. 07-236517 JP 09-023925 A

  The conventional cosmetic applicator is simple to use, but does not drastically solve the antibacterial function, and cannot meet the consumer needs for high antibacterial properties in the market in recent years.

  The present invention has a function of preventing the internal cosmetics stored when the applicator is stored or transported from leaking to the outside, and does not directly mix an antibacterial agent with the cosmetics, by contact with the skin. Providing antibacterial cosmetic applicators that can be stored in a sterile condition for a long time without contamination spreading even if the cosmetics contaminated with various bacteria are repeatedly applied and stored. The task is to do.

In order to solve the above-mentioned problems, an antibacterial cosmetic applicator according to claim 1 is a cosmetic storage part for storing cosmetics, an application part comprising an application member and a handle part for supporting the application member; In the antibacterial cosmetic applicator comprising a cap for detachably fitting the application part, a storage part is adjacent to the cosmetics storage part between the cosmetic storage part and the application part. A leakage prevention part is provided adjacent to the leakage prevention part, preventing leakage of cosmetics,
The reservoir is formed of an inner surface containing a silver-based antibacterial agent, a hole through which the cosmetic flows out on the cosmetic container side, and a check valve for preventing the cosmetic from flowing back above the hole. It is characterized by being.
Similarly, the antibacterial cosmetic applicator of the invention according to claim 2 is characterized in that the antibacterial agent is silver-containing soluble glass or silver zeolite.
The antibacterial cosmetic applicator of the invention according to claim 3 is characterized in that the inner surface of the reservoir is rough.
In the antibacterial cosmetic applicator according to claim 4, the leakage preventing portion includes an elastic member, the application portion is fitted with the cap, and the handle portion of the application portion is elastically elastic. The hole formed in is closed.
In the antibacterial cosmetic applicator according to the invention according to claim 5, after the elastic member of the leakage preventing part closes the hole formed in the handle part of the application part, the check valve of the storage part has its lower end part. The hole is closed.
The antibacterial cosmetic applicator of the invention according to claim 6 is characterized in that the material of the application part is a brush, a cushion material, a comb-shaped molded body, a spatula-shaped molded body, or a protruding molded body.
The antibacterial cosmetic applicator of the invention according to claim 7 is characterized in that the cosmetic is supplied to the application part by pressurizing the cosmetic storage part.
The antibacterial cosmetic applicator of the invention according to claim 8 is characterized in that a mirror is provided at the upper end of the body portion of the cap.
The antibacterial cosmetic applicator of the invention according to claim 9 is characterized in that the cosmetic is a liquid, powder or cream cosmetic.

  The antibacterial cosmetic applicator of the present invention is provided with a leakage prevention part and a storage part between the cosmetic storage part and the application part, so that the leakage prevention part prevents the cosmetic from leaking, and the storage part Prevents the backflow of cosmetics and has the function of antibacterial contamination of cosmetics contaminated with bacteria, so that cosmetics contaminated with bacteria by contacting the skin are blocked by a check valve and stored in the storage compartment It is possible to completely prevent the spread of various bacteria in the used unused cosmetic.

  The inner wall of the reservoir is made of a plastic containing a silver antibacterial agent, and preferably the surface of the plastic is roughened by removing the face film by mechanical abrasion or the like. When in contact with the inner wall, the silver antibacterial agent is highly effective in maintaining an antibacterial state.

  Moreover, in the antibacterial cosmetic applicator of the present invention, the amount of the antibacterial agent added to the stored cosmetic can be reduced, more preferably the antibacterial agent can be made unnecessary. Due to the bactericidal properties of the applicator itself, the antibacterial properties of the cosmetics in the contents are maintained even after a long period of time has elapsed since the start of use, and is safe for the human body.

The best embodiment of the present invention will be described in detail below with reference to FIGS.
FIG. 1 shows a longitudinal sectional view of the antibacterial cosmetic applicator of the present invention in a state where a cap is fitted to the application part.

  The antibacterial cosmetic applicator A of the present invention is an application comprising a cosmetic storage part 1 for storing a low-viscosity liquid cosmetic 50, a brush 2a as an application member, and patterns 2b and 2b 'for supporting the brush. It is comprised from the part 2 and the cap 3 which fits this application | coating part 2 so that attachment or detachment is possible.

  The cosmetic container 1 is made of a material such as elastic plastic that can be deformed by pressing, and its shape is deformed into a conical shape while extending in a cylindrical shape from the bottom surface. A spiral groove is formed on the inner surface, a cylindrical surface is formed on the inner surface thereof, and a bottom surface having a circular hole in the center is formed on the lower end portion thereof.

The applicator 2 includes a brush 2a, a flat cone-shaped handle 2b having a bottom that supports the brush 2a, a cylindrical protruding handle 2b 'provided at the center of the flat bottom, and a handle 2b. 2b 'is composed of a passage 2c for flowing out the liquid cosmetic material at the vertical center, and the material of the brush 2a is suitably rayon, polyamide, acrylic, polyester, polyolefin, animal hair or the like. As will be described later, the columnar protruding handle portion 2b 'is arranged so that the columnar protruding handle portion 2b' does not protrude from a slidable hole provided in the disc-like member 4c of the leakage preventing member 4. Legs extending to the bottom are provided.
In addition, although the example of the brush 2a is demonstrated below as an application member which is the material of the application part 2, a cushion material, a comb-shaped molded object, a spatula-shaped molded object, or a protrusion-shaped molded object other than the brush 2a is used as an application member. Available.

  The cap 3 may be made of a material such as a rigid plastic, and may have a body portion 3a having a conical column shape, and a mirror 3c may be attached to the upper surface of the cap portion 3a. When applying cosmetics, makeup can be performed using the mirror 3c. And the spiral groove is formed in the internal peripheral surface of the lower part of the trunk | drum 3a, and the convex protrusion 3b is formed in the center direction above it.

  As shown in FIG. 2, the leakage preventing portion 4 is formed of a conical synthetic resin elastic member 4b, a fixed support member 4a for fixing and supporting the member, and an upper end portion of the fixed support member 4a. A fixed disk-shaped member 4c having a hole in which the cylindrical protruding member 2b 'can slide, and a support member 4d having a hole for supporting the pressed elastic member 4b and allowing liquid cosmetics to pass therethrough. Has been. The fixed support member 4a has a substantially hollow cylindrical shape made of a material such as a rigid plastic, and spiral grooves are formed on the outer peripheral surface and the inner peripheral surface thereof, and the spiral groove on the outer peripheral surface is the cap 3. The spiral groove on the inner peripheral surface is screwed with the spiral groove of the cosmetic container 1 and is thermocompression-bonded.

  The storage part 5 is comprised from the cylindrical member 5a provided in the column-shaped surface of the said cosmetics accommodating part 1 with the plastic material, and the non-return valve 5b provided in the lower end part. In order to ensure the antibacterial property of the liquid cosmetic 50 that stays in the cylindrical member 5a of the storage unit 5, the inner wall surface of the cylindrical member 5a is made antibacterial. In order to make it antibacterial, a silver antibacterial agent is blended into the plastic material forming the wall material by means of kneading from the viewpoint of durability.

  Furthermore, it is preferable to remove the plastic surface film by roughing the surface by brushing, buffing, blasting or the like so as to increase the exposure of the silver antibacterial agent in the wall material and improve the antibacterial function.

  The reason why silver-based antibacterial agents are used as antibacterial agents is from the viewpoint of safety to the human body, such as antibacterial properties, chemical stability, and no skin irritation. As the silver-based antibacterial agent, various antibacterial compounds having silver such as silver zeolite can be kneaded and blended by a method such as kneading. Soluble silver ion-containing glass is preferable in consideration of kneading into a plastic, antibacterial effect, stability over time, and non-coloration. The glass is a composition in which silver ions are dissolved in a substrate such as soda glass or borosilicate glass, and is preferably a substance that is soluble in moisture.

  In addition to the kneading method and kneading method described above, the inner surface of the wall material can be coated with an antibacterial compound. The thickness of the coating layer is preferably about 0.01 μm to 100 μm.

The check valve 5b allows the liquid cosmetic 50 to pass in the direction of the application part 2 at the tip when the cosmetic container 1 of the liquid cosmetic 50 is pressurized during application work, thereby preventing backflow in the opposite direction. Any form may be used as long as it has a function. For example, it is preferably formed of a plastic material having a restoring force.
As another example, a plug made of silicone rubber, which includes a disc-shaped portion and a valve portion that protrudes outward in a dome shape from the central position of the disc-shaped portion. It is also possible to use a check valve in which a slit is formed in the thickness direction in a cross shape around the center position of the.

  As shown in FIG. 1, the projection 3b of the cap 3 is engaged with the flat bottom portion of the coating portion 2 by screwing of the spiral groove of the cap 3 and the leakage preventing portion 4, so that the columnar protruding handle portion 2b 'is engaged. By pressing down the elastic member 4b, the passage 2c for outflowing the cosmetic material and the hole through which the liquid cosmetic material 50 of the support member 4d of the leakage preventing member 4 passes are completely closed. Leakage from the material storage unit 1 is prevented.

  Further, since the check valve 5b of the storage unit 5 closes the hole on the bottom surface of the cosmetic storage unit 1, even if the cosmetic staying in the storage unit 5 is contaminated with germs, Contamination does not spread in the cosmetic 50 of the storage unit 1, and germs are eliminated with the silver antibacterial agent contained on the inner surface of the storage unit.

The principal part longitudinal cross-sectional view of the antibacterial cosmetics applicator A of this invention of the state in which the cap 3 was removed from the application part 2 in FIG. 2 is shown.
When the cap 3 is removed from the application part 2, the elastic member 4b of the leakage prevention part 4 returns to a conical shape when no load is applied. When the cosmetic container 1 is pressurized, the cosmetic outflow passage 2c communicates with the hole through which the liquid cosmetic 50 of the support member 4d of the leakage preventing member 4 passes, so that the arrow shown in FIG. The liquid cosmetic 50 flows out in the direction.

  Next, FIG. 3 shows a state in the middle of fitting the cap 3 to the application part 2 of the cosmetic applicator A. When the elastic member 4b of the leakage preventing part 4 is pushed down by the columnar protruding handle part 2b 'of the application part 2, the support member 4d having a hole through which the liquid cosmetic 50 is passed by the elastic force of the elastic member 4b. Instantly move in the direction to close the hole. Since the liquid cosmetic 50 is rapidly moved downward by the instantaneous movement of the elastic member 4b, the check valve 5b is rapidly moved downward to close the circular hole of the cosmetic container 1. These closures work in conjunction.

  In this way, the check valve 5b also moves downward rapidly at approximately the same time as the instantaneous movement of the elastic member 4b. Therefore, even if the liquid cosmetic 50 is contaminated with various bacteria by application of the skin, It will be understood that the contaminated liquid cosmetic 50 is completely cut off from the cosmetic container 1.

  As a method of supplying the cosmetic 50 to the application unit 2, a method of pressurizing the side wall of the cosmetic storage member 1 as described in FIGS. 1 to 3 and a knock member 7 as shown in FIG. 4 are operated. As shown in the figure, the air is fed into the cosmetic container 1 to move the piston 6 (which is not shown in the figure) slidably disposed in the cosmetic container. Although the spiral of the shaft of the piston 6 is not cut, a method of pressurizing the lower part of the cosmetic storage member 1 by rotating a knob provided at the bottom of the cosmetic storage member 1 can be used.

  FIG. 5 shows an antibacterial cosmetic applicator B used for the powdery cosmetic 51 according to the second embodiment of the present invention, and shows a longitudinal sectional view of a state where a cap 23 is fitted to the applicator 22. Since this embodiment is used when applying the powdery cosmetic 51 having fluidity, the structure of the application part 22 is different from that of the first embodiment.

  The cosmetic storage portion 21 is a material such as a rigid plastic that does not deform even when air is fed into the cosmetic storage portion 21 by the knock member 7 or the like, and the shape thereof is a cylindrical shape, as shown in FIG. A fixed support member 24a having a spiral groove on the outer peripheral surface is fitted to the head portion, and an axle-shaped member 24d ′ for fixing and supporting the columnar member 24d is provided inside the head portion.

  The application portion 22 is composed of a cushion member 22 formed by covering a foam rubber 22a having a cushion function with a thin foam sheet 22a ', and a disc-shaped handle portion 22b that supports and fixes the foam sheet 22b. As shown in FIG. 5, a passage 22c through which the powdery cosmetic 51 flows out is formed in the central portion of the handle 22b and the foam rubber 22a. The handle portion 22b is longer than the diameter of the foam sheet 22a ', and a protruding member slightly protrudes in the outer peripheral direction.

  As shown in FIG. 5, the main body 23a of the cap 23 has a cylindrical shape made of a rigid plastic material or the like, and has a structure in which a mirror can be installed on the head, and a spiral groove is cut on the lower inner periphery thereof. An engagement groove for engaging with the protruding member of the handle portion 22b is formed on the groove.

  As shown in FIG. 6, the leakage preventing portion 24 includes a stretchable lantern-type elastic resin member 24b made of synthetic resin and a lower end of the member fixedly supported, and the elastic member 24b is compressed when the elastic member 24b is compressed. It is comprised from the axle-shaped member which supports 24b, and the disk shaped member 24c which has a hole in the center which fixes and supports the upper end of the elastic member 24b. The upper end of the elastic member 24b is fixedly supported by the lower surface of the central portion of the disk-shaped member 24c, and a circular rod-shaped member protrudes from the outer peripheral portion of the member 24c, and the rod-shaped member is the fixed support member. It is fitted in the sliding hole 24a, moves easily in the vertical direction, and supports the application part 22 so as not to be inclined. In addition, you may provide a spring as a means for assisting the elastic recovery of the said elastic member 24b made from a synthetic resin.

  As for the storage part 25, the cylindrical member 25a is arrange | positioned in the lower end part above the cosmetics accommodating part 21, and the non-return valve 25b is arrange | positioned in the lower end part of this cylindrical member 25a. A plurality of holes (not shown) through which the powdery cosmetic 51 flows out are formed in the vicinity of the center of the upper end of the cosmetic storage unit 21.

  FIG. 6 is a longitudinal sectional view showing a state where the cap 23 is removed from the application part 22. An example is shown in which the powdery cosmetic 51 is applied by moving the piston 26 slidably arranged in the direction of the application part 22 in the cosmetic housing member shown in FIG. The powdery cosmetic 51 pushed out by the piston 26 pushes up the check valve 25b and flows upward through the cylindrical tube 25a and the passage 22c of the foam rubber 22a. However, since the passage is closed, the foam rubber 22a It is diffused in and uniformly delivered to the surface of the foam sheet 22a '.

  Since the storage part 25 of this 2nd Embodiment is formed from the plastics containing a silver type antibacterial agent similarly to the storage part 5 of 1st Embodiment, the description of that is explained. Omitted.

  Next, when the cap 23 is screwed into the application portion 22 of the cosmetic applicator B shown in FIG. 5, the engagement groove of the cap 23 is pushed down while engaging with the protruding member of the handle portion 22b. As the pressing is performed, the elastic member 24b of the leakage preventing portion 24 is also pressed, so that the disk-shaped member 24c fixes and supports the cylindrical member 24d simultaneously with the elastic member 4b by the elastic force of the elastic member 24b. The disc-like member 24c is brought into rapid contact with the axle-like member 24d ', and the hole of the disc-like member 24c is inserted into the cylindrical member 24d, so that the outflow passage of the powdery cosmetic 51 is completely closed.

Simultaneously with the instantaneous movement of the elastic member 24b, the check valve 25b also rapidly moves downward to completely close the hole with the cosmetic container 21, so that the reservoir 25 is applied to the applicator 22 and It is sealed from the cosmetic storage unit 21. Therefore, it can be understood that even if the powdery cosmetic 51 is contaminated with various bacteria by applying the skin to the reservoir 25, the contaminated powdery cosmetic 51 is completely blocked from the cosmetic container 21. Will.
In addition, although the antibacterial cosmetic applicator has been described based on liquid and powder cosmetics as cosmetics, cream cosmetics having high viscosity may be used.

It is a longitudinal cross-sectional view of the state by which the cap was fitted by the application part of the antibacterial cosmetic applicator of this invention. It is a principal part longitudinal cross-sectional view in the state where the cap was removed from the application part of the antibacterial cosmetic applicator of the present invention. FIG. 3 is a vertical cross-sectional view of a main part showing a state where the cap 3 is being fitted into the application part 2 of the cosmetic applicator A. It is a conceptual diagram explaining the system which supplies cosmetics to an application part. It is a longitudinal cross-sectional view of the state in which the cap was fitted to the application part which is the 2nd embodiment of this invention. It is a longitudinal cross-sectional view of the state from which the cap was removed from the application part of the 2nd embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cosmetic storage part 2 Application | coating part 3 Cap 4 Leak prevention part 5 Storage part 7 Knock member 50 Liquid cosmetic 51 Powdery cosmetic

Claims (9)

In an antibacterial cosmetic applicator comprising a cosmetic storage unit for storing cosmetics, an application unit composed of an application member and a handle for supporting the application member, and a cap for detachably fitting the application unit.
A storage section is provided adjacent to the cosmetic storage section between the cosmetic storage section and the application section, and a leakage prevention section is provided adjacent to the application section,
The leakage prevention unit prevents leakage of cosmetics,
The reservoir is formed of an inner surface containing a silver-based antibacterial agent, a hole through which the cosmetic flows out on the cosmetic container side, and a check valve for preventing the cosmetic from flowing back above the hole. An antibacterial cosmetic applicator characterized by having   The antibacterial cosmetic applicator according to claim 1, wherein the antibacterial agent is silver-containing soluble glass or silver zeolite.   The antibacterial cosmetic applicator according to claim 2, wherein an inner surface of the reservoir is rough.   The leakage prevention part is pressed down with a conical elastic member, a fixed support member for fixing and supporting the member, a disk-shaped member having a slidable hole fixed at the upper end of the fixed support member, and A support member having a hole for supporting the elastic member and allowing cosmetics to pass therethrough; the elastic member is pushed down by fitting the application portion with the cap, and the hole is closed by contacting the support member The antibacterial cosmetic applicator according to any one of claims 1 to 3, wherein the antibacterial cosmetic applicator is used.   The elastic member of the leakage prevention part closes the hole formed in the handle part of the application part, the check valve of the storage part closes the hole of the lower end part, and these closures are interlocked. The antibacterial cosmetic applicator according to any one of claims 1 to 4.   The antibacterial cosmetic application according to any one of claims 1 to 5, wherein the material of the application part is a brush, a cushion material, a comb-shaped molded body, a spatula-shaped molded body, or a protruding molded body. Ingredients.   The antibacterial cosmetic applicator according to any one of claims 1 to 6, wherein the cosmetic is supplied to the application unit by pressurizing the cosmetic storage unit.   The antibacterial cosmetic applicator according to any one of claims 1 to 7, wherein a mirror is provided on an upper end portion of the body portion of the cap.   The antibacterial cosmetic applicator according to any one of claims 1 to 8, wherein the cosmetic is a liquid, powder or cream cosmetic.