WO2022034690A1 - 滅菌部材 - Google Patents

滅菌部材 Download PDF

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Publication number
WO2022034690A1
WO2022034690A1 PCT/JP2020/030901 JP2020030901W WO2022034690A1 WO 2022034690 A1 WO2022034690 A1 WO 2022034690A1 JP 2020030901 W JP2020030901 W JP 2020030901W WO 2022034690 A1 WO2022034690 A1 WO 2022034690A1
Authority
WO
WIPO (PCT)
Prior art keywords
fine particles
metal
bacteria
fixing member
liquid
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.)
Ceased
Application number
PCT/JP2020/030901
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
宏紀 長谷川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AMG Co Ltd
Original Assignee
AMG Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AMG Co Ltd filed Critical AMG Co Ltd
Priority to KR1020207031622A priority Critical patent/KR102228155B1/ko
Priority to PCT/JP2020/030901 priority patent/WO2022034690A1/ja
Priority to JP2020560849A priority patent/JP6826749B1/ja
Publication of WO2022034690A1 publication Critical patent/WO2022034690A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/18—Casings combined with other objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/28—Applications of food preservatives, fungicides, pesticides or animal repellants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • 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
    • A45D2034/002—Accessories
    • 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
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D2040/0006—Accessories

Definitions

  • the present invention relates to a sterilizing member for reducing bacteria in a liquid.
  • Patent Document 1 a technique of filling a liquid in a container having a small capacity sufficient for filling a single use amount has been proposed (for example, Patent Document 1).
  • the liquid is a cosmetic product.
  • the amount used at one time is very small, filling a container with a capacity small enough to fill the amount used at one time with liquid requires a large number of containers.
  • the amount used at one time may be different for different people, and even for the same person, it may be different depending on the situation, so that the amount of liquid in the container may be excessive or insufficient, and eventually, Liquid may be wasted.
  • the present invention provides a sterilizing member capable of reducing bacteria in a liquid.
  • the first invention is a sterilizing member arranged inside a liquid container for storing a liquid, in which fine metal particles having an effect of reducing bacteria are dispersed in a resin, and the fine particles are dispersed on the surface of the sterilizing member.
  • a sterile member that is configured to be non-exposed and the type of metal is defined according to the type of bacteria that is expected to be problematic at a particular location inside the liquid container.
  • the sterilizing member arranged inside the liquid container is configured by dispersing metal fine particles having an effect of reducing bacteria in a resin, and thus has an effect of reducing bacteria. .. Further, since the fine particles are configured so as not to be exposed on the surface of the sterilizing member, the components of the metal and the liquid cause a chemical reaction, and the liquid does not denature. As will be described later, it has been confirmed by experiments that bacteria can be reduced even when the metal does not come into direct contact with the liquid. Furthermore, the inventor of the present invention has found that the types of bacteria that can be effectively reduced differ depending on the type of metal.
  • the inventor of the present invention has found, for example, that there are metals that can effectively reduce aerobic bacteria and metals that can effectively reduce anaerobic bacteria. Then, the inventor of the present invention determines the type of metal effective for the reduction according to the type of bacteria that is supposed to be a problem at a specific position inside the liquid container, and determines the fine particles of the determined metal. I came up with the technology to disperse in sterilized parts (hereinafter referred to as "selective dispersion"). In this regard, according to the configuration of the first invention, since the types of metals constituting the sterilizing member are defined according to the types of bacteria that are assumed to be problematic at each internal position, selective dispersion is realized. can do.
  • a second aspect of the invention is that, in the configuration of the first invention, the sterilizing member contains a plurality of types of fine particles of the metal, and the type of bacteria that is assumed to be a problem at the specific position where the sterilizing member is placed. It is a sterilizing member in which the content of the fine particles of the metal is defined with respect to the total content of the fine particles of the metal.
  • the type of bacteria that is expected to cause a problem at a specific position inside the liquid container is not limited to one type.
  • the inventor of the present invention is not limited to one type of bacteria that are supposed to be a problem at a specific position inside, and the types of bacteria that can be relatively abundant differ depending on the specific position. I found that. For example, aerobic and anaerobic bacteria can be problematic at any location inside the liquid container, with more aerobic bacteria above and anaerobic bacteria below. Expected to be more than.
  • the sterilizing member contains fine particles of a plurality of types of metals, and each metal is considered to be a problem at a specific position inside the liquid container, depending on the type of bacteria. Since the content of the fine particles is specified, load distribution can be realized. Load distribution is a subordinate technology of selective distribution.
  • a third aspect of the invention is that in the configuration of the first invention or the second invention, the specific position of the liquid container is an upper portion located relatively upper and a lower portion located relatively lower.
  • Bacteria that are supposed to be problematic in the upper part are aerobic bacteria
  • bacteria that are supposed to be problematic in the lower part are anaerobic bacteria
  • the sterilizing member is in the upper part. Is defined to increase the content of fine particles of the metal having the property of effectively reducing the aerobic bacteria, and has the property of effectively reducing the anaerobic bacteria in the lower portion. It is a sterilizing member configured to increase the content of the fine particles of the metal.
  • the type of metal is determined according to the type of bacteria that is assumed to be relatively likely to be a problem, and the metal of the metal is determined.
  • the sterilizing member is composed of at least one member, and the portion located downward with respect to the upper side or the member effectively reduces the aerobic bacterium.
  • the proportion of the fine particles of the metal having the property of sterilizing is relatively small, and the proportion of the fine particles of the metal having the property of effectively reducing the anaerobic bacteria is relatively large. It is a sterilized member.
  • the content of fine metal particles capable of effectively reducing bacteria is defined according to the possibility that aerobic bacteria and anaerobic bacteria may be a problem.
  • Bacteria can be effectively reduced at each position.
  • the metal fine particles are the liquid with respect to a position opposite to the surface in contact with the liquid. It is a sterilizing member that is contained more in the position on the side of the surface in contact with.
  • the metal fine particles are configured so that the closer the position is closer to the surface of the sterilized portion in contact with the liquid, the higher the content thereof, so that the bacteria are effectively reduced. be able to.
  • the sterilizing member is a suction tube for sucking the liquid from the liquid container for storing the liquid in a liquid state.
  • It is a sterilizing member in which a part or the whole of the suction tube is configured as a sterilizing part.
  • a part or the whole of the suction tube is configured as a sterilized portion.
  • the suction tube is located in the liquid and is in contact with the liquid. And the liquid always goes out through the suction tube. That is, by configuring the suction tube as a sterilized portion, bacteria in the liquid can be reliably reduced.
  • the suction tube is composed of a wall body constituting the peripheral wall of the through hole of the suction tube and a surface layer portion covering the wall body.
  • the surface layer portion is a sterilizing member configured as the sterilizing portion.
  • the surface layer portion since the mechanical strength of the suction tube can be secured by the wall body, the surface layer portion does not need to be thickened to secure the mechanical strength, and is an effective thickness for reducing bacteria. It can be formed into a bacterium.
  • the eighth aspect of the invention is the configuration of any one of the first to fifth aspects, wherein the sterilizing member is for sucking the liquid from the liquid container having a container for storing the liquid in a liquid state.
  • a fixing member that is fixed in such a manner that the through hole of the suction tube is not blocked in the lower end portion of the suction tube or in the vicinity of the lower end portion. It is a sterilizing member in which a part or the whole of the fixing member is configured as a sterilizing part.
  • the fixing member can reduce the bacteria in the liquid regardless of the amount of the liquid stored in the liquid container.
  • the fixing member is composed of a main body portion and a surface layer portion covering the main body portion, and the surface layer portion is configured as the sterilization portion. Is.
  • the surface layer portion since the mechanical strength of the fixing member can be secured by the main body portion, the surface layer portion does not need to be thickened to secure the mechanical strength, and is an effective thickness for reducing bacteria. It can be formed into a bacterium.
  • a tenth aspect of the present invention is the configuration of the first invention or the second invention, wherein the sterilizing member is a non-fixing member arranged inside the liquid container in a non-fixed state, and is one of the non-fixing members.
  • a sterilizing member whose part or whole is configured as a sterilizing part.
  • the sterilizing member is a non-fixing member, it can be in contact with many parts of the liquid to reduce bacteria.
  • the non-fixing member in the configuration of the tenth invention, is composed of a central portion and an outer layer portion covering the central portion, and the outer layer portion is configured as the sterilized portion. It is a sterilizing member.
  • the outer layer portion since the mechanical strength of the non-fixing member can be secured by the central portion, the outer layer portion does not need to be thickened to secure the mechanical strength and is effective for reducing bacteria. Can be formed to a certain thickness.
  • the twelfth invention constitutes a member group including a plurality of types of the non-fixing member, and the non-fixing member is the first type of the non-fixing member.
  • the member, the second type of non-fixing member, and the third type of non-fixing member all have the effect of the metal fine particles and anaerobic bacteria having the property of effectively reducing aerobic bacteria.
  • the non-fixing member of the first type contains fine particles of the metal having the property of effectively reducing the amount of the metal, and the specific gravity of the non-fixing member is smaller than that of the liquid, and the metal has the property of effectively reducing aerobic bacteria.
  • the content of the fine particles of the metal is configured to be larger than the content of the fine particles of the metal having the property of effectively reducing anaerobic bacteria, and the second type of non-fixing member is substantially the same as the liquid.
  • the content of the metal fine particles having the same specific gravity and having the property of effectively reducing the aerobic bacteria has the property of effectively reducing the anaerobic bacteria.
  • the metal which is configured to be substantially the same as the amount, has a higher specific gravity than the liquid, and has the property of effectively reducing the aerobic bacteria. It is a sterilizing member configured so that the content of the fine particles of the metal is smaller than the content of the fine particles of the metal having the property of effectively reducing the anaerobic bacteria.
  • the first kind of non-fixing member floats on the surface of the liquid, aerobic bacteria in the vicinity of the surface of the liquid can be effectively reduced.
  • the second type of non-fixing member is located in the liquid and can effectively reduce both aerobic and anaerobic bacteria. Since the third type of non-fixing member sinks to the bottom of the liquid container, anaerobic bacteria in the vicinity of the bottom of the liquid container can be effectively reduced.
  • the thirteenth invention in the tenth invention or the eleventh invention, constitutes a member group including a plurality of types of the non-fixing member, and the non-fixing member constitutes a member group including the plurality of types of the non-fixing member, with respect to the specific gravity of the liquid.
  • the non-fixed member having a smaller specific gravity has a higher content of fine particles of the metal having a property of effectively reducing aerobic bacteria than the content of fine particles of the metal having a property of effectively reducing anaerobic bacteria.
  • the non-fixed member having a larger specific gravity with respect to the specific gravity of the liquid has a property of effectively reducing anaerobic bacteria, and the content of the fine particles of the metal is aerobic. It is a sterilizing member configured to have a content larger than the content of fine particles of the metal having a property of effectively reducing bacteria.
  • the non-fixing member having a specific gravity smaller than that of the liquid floats on the surface of the liquid, aerobic bacteria in the vicinity of the surface of the liquid can be effectively reduced.
  • a non-fixing member having substantially the same specific density as a liquid can float in the liquid and effectively reduce both aerobic and anaerobic bacteria. Since the non-fixing member having a higher specific density than the liquid sinks in the bottom of the liquid container, anaerobic bacteria in the vicinity of the bottom of the liquid container can be effectively reduced.
  • bacteria in a liquid can be reduced.
  • FIG. 1 It is schematic cross-sectional view which cut in the horizontal direction the suction tube which concerns on the 5th Embodiment of this invention. It is a schematic diagram which shows the state which the fixing member which concerns on the 6th Embodiment of this invention are fixed to a tube. It is a schematic enlarged view of a fixing member. It is a schematic sectional drawing in the vertical direction of a fixing member. It is a schematic cross-sectional view in the horizontal direction of a fixing member. It is an enlarged conceptual diagram of the cross section in the vertical direction of the peripheral wall portion of a fixing member. It is an enlarged conceptual diagram of the cross section in the vertical direction of the peripheral wall portion of a fixing member. FIG.
  • FIG. 5 is an enlarged conceptual diagram of a vertical cross section of a peripheral wall portion of a fixing member according to a seventh embodiment of the present invention. It is an enlarged conceptual diagram of the cross section in the vertical direction of the peripheral wall portion of a fixing member. It is a schematic perspective view which shows the non-fixing member which concerns on 8th Embodiment of this invention. It is a schematic sectional drawing in the longitudinal direction of a non-fixing member. It is a schematic sectional drawing in the direction orthogonal to the longitudinal direction of a non-fixing member. It is a schematic diagram which shows the state which the non-fixing member is stored in the container body in the state which the amount of cosmetics is large.
  • FIG. 4 is a schematic cross-sectional view taken along line II of FIG. 44 of the non-fixed member.
  • FIG. 6 is a schematic cross-sectional view taken along the line JJ of FIG. 46 of the non-fixed member. It is a schematic perspective view which shows the non-fixing member which concerns on 11th Embodiment of this invention. It is a schematic perspective view which shows the non-fixing member which concerns on 11th Embodiment of this invention. It is a schematic perspective view which shows the non-fixing member which concerns on 11th Embodiment of this invention. It is a schematic perspective view which shows the non-fixing member which concerns on 11th Embodiment of this invention.
  • liquid means a substance that is not a solid or a gas, and includes any of water, a colloidal solution, a gel-like substance, and a cream-like substance.
  • the “liquid” includes a cosmetic liquid, a dentifrice, a bathing agent, and the like. That is, in the present invention, “liquid” is a "liquid substance”.
  • FIG. 1 is a side view of the container 100 according to the first embodiment of the present invention
  • FIG. 2 is a side view of the container body 1 of the container 100
  • FIG. 3 is a schematic cross section of the suction tube 8 cut in the vertical direction.
  • 4 to 6 are schematic cross-sectional views taken by cutting the suction tube 8 in the horizontal direction.
  • 4 is a schematic cross-sectional view taken along line AA of FIG. 3
  • FIG. 4 is a schematic cross-sectional view taken along line BB
  • FIG. 6 is a schematic cross-sectional view taken along line CC.
  • the cosmetics 200 are stored in the soft container 3 of the container body 1.
  • Cosmetics 200 is an example of a liquid.
  • the liquid cosmetics 200 are stored in the container body 1.
  • the suction tube 8 is arranged inside the container body 1.
  • the suction tube 8 is a cylindrical member and has a through hole S1 (see FIG. 3) formed therein. Cosmetics 200 pass through the through hole S1.
  • the container body 1 is an example of a liquid container.
  • the suction tube 8 is an example of a sterilizing member and is also an example of a suction tube.
  • Cosmetics are an example of liquids. The liquid is not limited to cosmetics.
  • the container body 1 is configured by airtightly joining the manual pump member 4 to the opening of the soft container 3.
  • a suction tube 8 is connected to the pump member 4. That is, the suction tube 8 is configured to suck cosmetics from the container body 1.
  • the suction tube 8 is configured to have a length that reaches the vicinity of the bottom of the soft container 3 and does not touch the bottom.
  • the length of the suction tube 8 is defined by the vertical length of the soft container 3.
  • the vertical length of the soft container 3 is, for example, 50 mm (millimeters), and the length of the suction tube 8 is, for example, 40 mm.
  • the soft container 3 is made of, for example, a soft laminated sheet used for a retort pouch, and is laminated by using polyester (PET) for the outer layer, aluminum foil for the intermediate layer, and unstretched polypropylene (CPP) for the inner layer. To manufacture.
  • PET polyester
  • CPP unstretched polypropylene
  • the soft container 3 is heat-welded to the left and right ends of two vertically long laminated sheets. Further, a bottom sheet is welded to the bottom portion of the soft container 3 in order to form a gusset, and the container body 1 is configured to be self-supporting when the cosmetic is sealed.
  • the pump member 4 is composed of a known manual pump mechanism.
  • the parts of the pump member 4 are formed by injection molding a resin such as polypropylene (PP), for example.
  • a known pump mechanism is, for example, by arranging two check valves or a mechanism such as a check valve one above the other and pressing the head portion of the pump to discharge the liquid between the two valves and then the head of the pump. By returning the part to its original position, the liquid inside is sucked up between both valves.
  • the cosmetics 200 when the user presses the pressing portion 13 from above, the cosmetics 200 are discharged from the discharge port 12 in a fixed amount to the outside, and the pressing portion 13 is also provided by the urging member provided inside the pressing portion 13.
  • the liquid cosmetics 200 in the soft container 3 are sucked in a fixed amount from the suction tube 8.
  • the pump member 4 includes a connection portion for adhering to the opening of the soft container 3.
  • a bag-shaped soft container 3 is heat-welded to this connection portion to be airtightly joined.
  • the connecting portion is provided with a flange 10 for fixing the container main body 1 to the rigid container 6 described later.
  • the suction tube 8 is composed of wall portions 8a and 8b constituting the peripheral wall of the through hole S1.
  • the walls 8a and 8b are configured as sterilization parts as a whole to reduce bacteria.
  • the suction tube 8 is entirely configured as a sterilized portion.
  • the inner diameter of the upper wall portion 8a is the same as or slightly smaller than the outer diameter of the lower wall portion 8b.
  • the wall portions 8a and 8b are formed by dispersing metal fine particles having an effect of reducing bacteria in a resin.
  • the fine particles are configured so as not to be exposed on the surfaces of the wall portions 8a and 8b.
  • a wall portion 8a is arranged on the upper side. On the relatively lower side, anaerobic bacteria are likely to be the main problem.
  • a wall portion 8b is arranged on the lower side. In the wall portions 8a and 8b, the type of metal is defined according to the type of bacteria that are assumed to be a problem at a specific position of the container body 1.
  • the wall portions 8a and 8b are elastically deformable tubes (tubes), and the material, diameter, and length thereof are not limited.
  • the material of the wall portions 8a and 8b for example, resins such as soft polyethylene, soft polypropylene, soft polyurethane, soft silicone, soft polyetheretherketone, and soft vinyl chloride can be adopted.
  • the tube 8 is composed of a wall portion 8a on the upper side and a wall portion 8b on the lower side, and the boundary region between the upper side and the lower side is composed of the wall portion 8a and the wall portion 8b.
  • the wall portion 8a is an example of the upper portion
  • the wall portion 8b is an example of the lower portion.
  • the position where the wall portion 8a is arranged and the position where the wall portion 8b is arranged are examples of specific positions inside the container body 1.
  • FIG. 7 is an enlarged conceptual diagram showing a vertical cross section of the portion A1 of the wall portion 8a of FIG.
  • metal fine particles 28A having an effect of reducing bacteria are dispersed in the resin 26.
  • the fine particles 28A are covered with the resin 26 and are configured not to be exposed on the surface of the wall portion 8a.
  • the metal having the effect of reducing bacteria is a metal capable of effectively reducing aerobic bacteria, for example, copper.
  • copper shall include copper and copper oxide.
  • FIG. 8 is an enlarged conceptual diagram showing a vertical cross section of the portion A2 of the wall portion 8b of FIG.
  • metal fine particles 28B having an effect of reducing bacteria are dispersed in the resin 26.
  • the fine particles 28B are covered with the resin 26 and are configured not to be exposed on the surface of the wall portion 8b.
  • the metal having the effect of reducing bacteria is a metal capable of effectively reducing anaerobic bacteria, for example, silver.
  • silver shall include silver and silver oxide.
  • the thickness W1 of the wall portions 8a and 8b is formed to have a thickness within a predetermined range defined in relation to the outer size of the fine particles 28A and 28B.
  • the maximum value (d50) of the particle size distribution of the fine particles is used as the outer size of the fine particles 28A and 28B.
  • the diameter L1 corresponding to the maximum value (d50) is defined as the size of the fine particles 28.
  • the definition of the diameter L1 is the equivalent diameter of a sphere.
  • the diameter L1 is measured using, for example, a laser diffraction type particle size distribution measuring device.
  • the diameter L1 may be an average particle diameter. Since FIGS.
  • FIG. 7 and 8 are conceptual diagrams, only fine particles 28A and 28B having a single diameter L1 are displayed for convenience of explanation, but in reality, the surface layer portion 8b has a maximum value (maximum value).
  • a group of particles having a predetermined particle size distribution (typically a normal distribution) having a diameter L1 of d50) is dispersed.
  • the diameter L1 of the fine particles 28A and 28B is defined in a predetermined range, for example, 10 nanometers (nm) or more and 100 nanometers or less, preferably 10 nanometers or more and 80 nanometers or less, and more preferably. It is 10 nanometers or more and 40 nanometers or less, and more preferably 10 nanometers or more and 20 nanometers or less.
  • the shapes of the fine particles 28A and 28B are, for example, spherical. However, the outer shape is not limited to a sphere.
  • the fine particles 28A for example, copper particles of the "copper nanoparticles SFCP series" manufactured by Fukuda Metal Foil Powder Industry Co., Ltd. (20, Nishinoyama Nakatomi-cho, Yamashina-ku, Kyoto) can be used.
  • fine particles 28B for example, silver particles of "DOWA AG Nano powders" related to the production of DOWA Electronics Co., Ltd. (4-14-1 Sotokanda, Chiyoda-ku, Tokyo) can be used.
  • the thickness W1 of the wall portions 8a and 8b is larger than the diameter L1 of the fine particles 28A and 28B, and further larger than the fine particles 28A and 28B having the largest particle size in the particle size distribution.
  • the diameter L1 is, for example, 50 nanometers (nm).
  • the predetermined range of the total content of the fine particles 28A and B in the wall portions 28A and 28B is 20% by weight (wt%) or more and 80% by weight or less, preferably 40% by weight (wt%). It is 75% by weight or less, and more preferably 60% by weight or more and 75% by weight or less.
  • the content of the fine particles 28A and 29B is 65% by weight. It was
  • the thickness W1 of the wall portions 8a and 8b is formed to have a thickness within a predetermined range defined in relation to the external size of the fine particles 28A and 28B. If the thickness W1 is too large, the bacterial reduction effect of the fine particles 28A and 28B located near the centers of the wall portions 8a and 8b cannot be fully utilized. On the other hand, if the thickness W1 is too small, the fine particles 28A and 28B for exhibiting the bacterial reduction effect cannot be sufficiently filled. Therefore, the thickness W1 is defined in a predetermined range in relation to the sizes of the fine particles 28A and 28B.
  • the ratio B (W1 / L1) of the thickness W1 to the diameter L1 is referred to as "diameter ratio B".
  • the relationship between the thickness W1 and the diameter L1 is shown as a numerical range of the diameter ratio B.
  • the diameter ratio B is defined as a range in which the bacterial reduction effect of the fine particles 28A and 28B can be suitably utilized.
  • the diameter L1 becomes smaller, the specific surface areas of the individual fine particles 28A and 28B become large, and the total surface area of the fine particle group as an aggregate of a large number of fine particles becomes large, so that copper ions and silver ions flow out. The surface area for this is increased. Therefore, the smaller the diameter L1, the smaller the diameter ratio B may be.
  • the diameter ratio B is, for example, 100 or more and 10000 or less, preferably 100 or more and 5000 or less, more preferably 100 or more and 1000 or less, and more preferably 100 or more and 500 or less.
  • the thickness W1 is defined in the diameter ratio B in the above numerical range.
  • the diameter L1 of the fine particles is 50 nanometers
  • the thickness W1 is 20 micrometers
  • the diameter ratio B is 400.
  • the method for forming the wall portion 8a is carried out, for example, by preparing a mixed powder in which a predetermined amount of copper fine particles 28A are dispersed in a resin powder, and melting and molding the mixed powder by injection molding.
  • the method for forming the wall portion 8b is carried out, for example, by preparing a mixed powder in which a predetermined amount of silver fine particles 28B are dispersed in a resin powder, and melting and molding the mixed powder by injection molding.
  • the fine particles 28A and 28B have an effect of reducing bacteria even if they are not in direct contact with the cosmetic product 200.
  • This is described in Japanese Patent No. 4175486, for example, although the technical field is different from that of the present invention and the configuration is completely different.
  • FIG. 12 shows the experimental results by Professor Sasai of Kitasato University.
  • the viable cell count initially present at about 100,000 cfu / 4 cm 2 after 120 minutes (miniute). It's gone.
  • "cfu” means "Colony forming unit”.
  • the wall portions 8a and 8b of the suction tube 8 are configured as sterilization portions. Since the suction tube 8 is a passage for the cosmetics 200, the wall portions 8a and 8b are in contact with the cosmetics 200. That is, by configuring the suction tube 8 as a sterilized portion, bacteria in the cosmetics 200 can be reliably reduced.
  • the resin 26 that comes into contact with the cosmetics 200 and the fine particles 28A and 28B do not come into contact with the cosmetics 200 they do not react with the components of the cosmetics 200. That is, by arranging the resin 26 between the fine particles 28A and 28B and the cosmetics 200, it is possible to reduce bacteria without denaturing the cosmetics 200.
  • preservatives that are normally added to cosmetics 200 can not be added. Alternatively, the amount of preservative added can be reduced.
  • ⁇ Assembly method of container body 1> A method of assembling the container 100 will be described with reference to FIGS. 13 to 15. First, the connection portion constituting the pump member 4 and the bag-shaped soft container 3 are airtightly joined by heat welding. Next, a predetermined amount of liquid cosmetics 200 is placed in the soft container 3. Then, the portion of the pump member 4 containing the pump mechanism is fixed by the screw formed on the wall body of the pump member 4.
  • the soft container 3 When the cosmetics 200 are stored in the soft container 3, the soft container 3 is arranged inside the hard container 6 as shown in FIG. As shown in FIG. 15, the flange 10 of the container body 1 is arranged on the mouth edge of the hard container 6, and the fixing ring 9 is screwed to the hard container 6 to fix the container body 1 to the hard container 6. ..
  • the inner diameter of the fixing ring 9 is set to a size through which the pressing portion 13 of the pump member 4 of the container body 1 passes.
  • the hard container 6 for accommodating the container body 1 inside, only the container body 1 can be replaced. Therefore, the hard container 6 is not wasted, the manufacturing cost of cosmetics can be suppressed, and the amount of waste can be reduced.
  • the pressing portion 13 of the pump member 4 is arranged so as to project outward from the hard container 6, it is not necessary to take out the container body 1 from the hard container 6 every time cosmetics are discharged.
  • the user purchases only the container body 1 in which the cosmetics 200 are stored. In this case, since there is no hard container 6, the user can purchase the cosmetics 200 at a lower cost. After purchase, the user removes the fixing ring 9, pulls out the container body 1 containing no cosmetics 200, puts the purchased container body 1 in the hard container 6, and fixes it with the fixing ring 9. By doing so, the expensive hard container 6 can be reused and waste can be reduced.
  • the inventor of the present invention has found that the types of bacteria that can be effectively reduced differ depending on the type of metal. Specifically, we have found that the types of metals that can effectively reduce aerobic bacteria and the types of metals that can effectively reduce anaerobic bacteria are different. Then, the inventor of the present invention has come up with a technique (“selective dispersion”) in which the type of metal effective for reducing the type of bacteria is determined according to the type of bacteria, and the fine particles of the metal are dispersed in the sterilized portion. For copper and silver, copper can effectively reduce aerobic bacteria and silver can effectively reduce anaerobic bacteria.
  • the types of bacteria are not limited to aerobic bacteria and anaerobic bacteria, and the types of metals according to the types of bacteria also effectively reduce aerobic bacteria and anaerobic bacteria. Not limited to metal. For example, since there are microaerobic bacteria and facultative anaerobic bacteria in addition to aerobic bacteria and anaerobic bacteria, a metal that effectively reduces them may be applied to the sterilized member. Also, the type of bacterium is not limited to the regulation in relation to oxygen.
  • the upper part of the container body 1 is easily in contact with air, so it is assumed that aerobic bacteria are mainly a problem.
  • aerobic bacteria are mainly a problem.
  • anaerobic bacteria are mainly a problem.
  • Aerobic bacteria are, for example, molds, Pseudomonas aeruginosa, normal bacteria, and Bacillus subtilis.
  • Anaerobic bacteria are, for example, Clostridium perfringens and Clostridium perfringens.
  • copper fine particles capable of effectively reducing aerobic bacteria are dispersed in the upper portion 8a, and silver capable of effectively reducing anaerobic bacteria is dispersed in the lower portion 8b. Fine particles are dispersed. This makes it possible to effectively reduce bacteria that may cause problems depending on the vertical position of the container 100 in the container body 1.
  • the specific surface area is important for the metal fine particles dispersed in the resin.
  • the smaller the particle size the larger the specific surface area, which is desirable during the reduction of bacteria.
  • the reference effect can be achieved even if the total amount of particles is reduced when the particle size is changed to a smaller one.
  • the reference particle diameter is defined as the particle diameter ⁇ 1
  • the particle diameter smaller than that is defined as the particle diameter ⁇ 2.
  • Wg1 the content of metal particles having a particle diameter of ⁇ 1 per unit weight of the resin
  • Wg2 the standard effect can be achieved.
  • the reference effect can be achieved by the content Wg2 having a content smaller than the content Wg1.
  • the suction tube 8A is composed of a wall body 8Aa and surface layer portions 8Ab1 and 8Ab2 covering the wall body 8Aa.
  • the wall body 8Aa is configured as a non-sterile portion, and the surface layer portions 8Ab1 and 8Ab2 are configured as a sterile portion. That is, a part of the suction tube 8A is configured as a sterilized portion.
  • the surface layer portion 8Ab1 constitutes the outer surface of the suction tube 8A, and the surface layer portion 8Ab2 constitutes the inner surface of the suction tube 8A.
  • the surface layer portions 8Ab1 and 8Ab2 are collectively referred to as the surface layer portion 8Ab.
  • the positions where the surface layer portions 8Ab1 and 8Ab2 are present are examples of specific positions inside the container body 1, respectively.
  • the wall body 8Aa is an elastically deformable tube (tube body), and its material, diameter, and length are not limited.
  • a resin such as soft polyethylene, soft polypropylene, soft polyurethane, soft silicone, soft polyetheretherketone, and soft vinyl chloride can be adopted.
  • the surface layer portion 8Ab is formed by dispersing a metal having an effect of reducing bacteria in a resin.
  • the resin constituting the wall body 8Aa and the resin constituting the surface layer portion 8Ab may be the same type of resin, but may be different types of resin.
  • the wall body 8Aa and the surface layer portion 8Ab are integrally formed.
  • a coextrusion molding method is adopted in order to form them integrally.
  • a molding method such as insert molding, in-mold molding, or two-color molding is used.
  • the surface layer portion 8Ab is formed by adding an appropriate coupling material such as a silane coupling material and other additives as necessary.
  • the wall body 8Aa is formed to have a predetermined thickness for ensuring the mechanical strength of the suction tube 8A.
  • the predetermined thickness is, for example, 0.3 mm (mm) to 2.0 mm (mm).
  • the inner diameter of the suction tube 8, that is, the diameter of the through hole S1, is, for example, 3.0 mm (mm) to 8.0 mm (mm).
  • the surface layer portion 8Ab is formed to have a thickness suitable for reducing bacteria.
  • FIG. 18 is an enlarged conceptual diagram showing a vertical cross section of a portion A3 of the surface layer portion 8Ab1 of FIG.
  • FIG. 19 is an enlarged conceptual diagram showing a vertical cross section of a portion A4 of the surface layer portion 8Ab2 of FIG.
  • metal fine particles 28A and 28B having an effect of reducing bacteria are dispersed in the resin 26.
  • the fine particles 28A and 28B are covered with the resin 26 and are not exposed on the surfaces of the surface layer portions 8Ab1 and 8Ab2.
  • Both the surface layer portion 8Ab1 on the outer surface side and the surface layer portion 8Ab2 on the inner surface side of the suction tube 8A are configured by dispersing a plurality of types of metals in a resin.
  • the content of fine particles of each metal is different between the surface layer portions 8Ab1 and 8Ab2.
  • the plurality of types of metals are copper and silver in this embodiment.
  • Both the surface layer portions 8Ab1 and 8Ab2 contain copper fine particles and silver fine particles, but the ratio of the copper fine particle content to the content of all metal fine particles Xcu and the silver fine particles to the content of all metal fine particles.
  • the percentage of the content of Xag is different.
  • the particle size distribution of the copper fine particles and the particle size distribution of the silver fine particles are substantially the same. Therefore, as the content, the weight of the fine particles of copper and the weight of the fine particles of silver are used, respectively, per unit weight of the resin.
  • the content of the copper fine particles 28A is higher than the content of the silver fine particles 28B. That is, in the surface layer portion 8Ab1, the content of the copper fine particles 28A in all the metal fine particles is relatively high.
  • the content of the silver fine particles 28B is higher than the content of the copper fine particles 28A. That is, in the surface layer portion 8Ab2, the content of the silver fine particles 28B in all the metal fine particles is relatively high.
  • the ratio Xcu in the surface layer portion 8Ab1 is larger than the ratio Xcu in the surface layer portion 8Ab2.
  • the ratio Xag in the surface layer portion 8Ab2 is larger than the ratio Xag in the surface layer portion 8Ab1.
  • the magnitude of the content is expressed by the magnitude of the number of the fine particles 28A and 28B. This also applies to other figures.
  • the surface layer portions 8Ab1 and 8Ab2 As a method of configuring the surface layer portions 8Ab1 and 8Ab2 so as to have a predetermined ratio Xcu and Xag, for example, a mixed powder in which a predetermined amount of copper fine particles 28A and silver fine particles 28B are dispersed in a resin powder is prepared and injected. It is carried out by melting and molding the mixed powder by molding.
  • the method for producing the surface layer portions 8Ab1 and 8Ab2 is not limited to the above method.
  • the surface layer portions 8Ab1 and 8Ab2 may be connected to the inner and outer surfaces of the wall body 8Aa with a sheet (foil) in which the above-mentioned metal is dispersed in a resin. Further, the surface layer portions 8Ab1 and 8Ab2 may form a coating agent from a resin and the above-mentioned metal and may be applied to the inner and outer surfaces of the wall body 8Aa.
  • the type of bacteria that is supposed to cause a problem at a specific position of the container body 1 is not limited to one type.
  • the inventor of the present invention has a plurality of types of bacteria that are assumed to be problematic at a specific position of the container body 1, and further, a specific type of bacteria that can be relatively abundant depending on the specific position. Found to be different.
  • load distribution a technique for mixing fine metal particles to effectively reduce each type of bacteria and dispersing them in a sterilized part.
  • both aerobic bacteria and anaerobic bacteria may be a problem at the internal positions of the container body 1 corresponding to the surface layer portions 8Ab1 and 8Ab2, but in the surface layer portion 8Ab1, relatively aerobic bacteria are relatively aerobic bacteria.
  • the problem is large, and it is assumed that the problem of anaerobic bacteria is relatively large in the surface layer 8Ab2.
  • the surface layer 8Ab1 has a relatively large content of copper fine particles with respect to the content of all metal particles
  • the surface layer 8Ab2 contains silver fine particles with respect to the content of all metal particles. Since the amount is relatively large, each bacterium can be effectively reduced according to a plurality of types of bacteria that are assumed to exist at a specific position of the container body 1.
  • FIG. 20 is a schematic cross-sectional view of a cylindrical suction tube 8B cut in the vertical direction.
  • FIG. 21 is a schematic cross-sectional view of the suction tube 8B cut in the horizontal direction.
  • the suction tube 8B of the third embodiment is composed of the wall portion 8Ba that defines the through hole S1.
  • the wall portion 8Ba is configured as a sterilized portion.
  • the wall portion 8Ba contains metal fine particles having a property of effectively reducing aerobic bacteria and metal fine particles having a property of effectively reducing anaerobic bacteria.
  • the wall portion 8Ba has a higher content of metal fine particles having a property of effectively reducing aerobic bacteria toward the upper side, and has a property of effectively reducing aerobic bacteria toward the lower side. It is configured to reduce the content of fine metal particles. Further, the wall portion 8Ba is configured so that the content of metal fine particles having a property of effectively reducing anaerobic bacteria increases from the upper side to the lower side.
  • the wall portion 8Ba when the wall portion 8Ba is divided into the regions S1 to S5 from the upper side to the lower side, the content of the copper fine particles 28A decreases toward the regions S1 to S5, and the silver fine particles become fine particles.
  • the content of 28B increases.
  • the content of the copper fine particles 28A increases and the content of the silver fine particles 28B decreases from the region S5 to S1.
  • the higher the height the more the proportion of copper fine particles in all metal particles. Is big. Conversely, the smaller the height, the greater the proportion of silver fine particles in all metal particles.
  • the specific gravity is used.
  • the specific gravity of copper is smaller than the specific gravity of silver.
  • the ratio of aerobic bacteria to all bacteria decreases and the ratio of anaerobic bacteria increases toward the lower part of the container body 1.
  • bacteria can be effectively reduced at each position inside the container body 1 according to the ratio of aerobic bacteria and anaerobic bacteria which are assumed to be a problem.
  • FIG. 24 is a schematic cross-sectional view of the cylindrical suction tube 8C cut in the vertical direction.
  • FIG. 25 is a schematic cross-sectional view of the suction tube 8C cut in the horizontal direction.
  • the suction tube 8C of the fourth embodiment is composed of a main body portion 8a and a surface layer portion 8Cb1.
  • the surface layer portion 8Cb1 is configured as a sterilization portion.
  • the surface layer portion 8Cb1 is composed of metal fine particles 28A and 28B dispersed in the resin 26.
  • the surface layer portion 8Cb1 will be described with reference to FIG. 26.
  • One surface 8R of the surface layer portion 8Cb1 is in contact with cosmetics.
  • the metal fine particles 28A and 28B are contained in a larger amount at the position on the surface 8R side than at the position on the opposite surface 8L side.
  • the metal fine particles are contained in a larger amount at the position on the side of the surface in contact with the cosmetics with respect to the position on the side opposite to the surface in contact with the cosmetics, which is effective. Bacteria can be reduced.
  • a technique for distributing more metal fine particles on one surface of the surface layer portion 8Cb1 is, for example, to prepare a mixed powder in which a predetermined amount of copper fine particles 28A and silver fine particles 28B are dispersed in a resin powder, and in an electric field or a magnetic field. Inside, it is carried out by melting and molding the mixed powder by injection molding. Alternatively, it may be carried out by appropriately adjusting the composition of the mixed powder.
  • the surface layer portion 8Cb1 may be configured to contain fine particles of one kind of metal.
  • the surface layer portion 8Cb1 may be configured to contain only one of the copper fine particles 28A and the silver fine particles 28B.
  • FIG. 27 is a schematic horizontal sectional view of the suction tube 8D of the fifth embodiment.
  • the suction tube 8D is composed of a main body portion 8Da and a surface layer portion 8Db.
  • the surface of the surface layer portion 8Db is configured as an uneven surface having concave portions and convex portions.
  • the surface layer portion 8Db is configured as a sterilization portion.
  • the inner surface facing the through hole S1 is a curved surface without an uneven portion, and the outer surface is formed as an uneven surface having concave portions and convex portions.
  • the surface layer portion 8Db is formed to have a uniform thickness along the uneven surface of the main body portion 8Da.
  • the fixing members 2A and 2B are fixed to the suction tube 8.
  • the fixing member 2A is fixed to a relatively upper portion of the suction tube 8.
  • the fixing member 2B is fixed in the vicinity of the lower end portion of the suction tube 8.
  • "fixed in the vicinity of the lower end portion” means that the position of the lower end portion of the fixing member 2B is arranged at a position within a predetermined distance range from the lower end portion of the suction tube 8. ..
  • the predetermined distance is, for example, 1 mm (mm) or more and 5 mm (mm) or less.
  • the fixing members 2A and 2B are arranged so as not to block the through hole of the suction tube 8.
  • the fixing members 2A and 2B are configured as sterilized parts.
  • the portion where the fixing member 2B is fixed may be the lower end portion of the suction tube 8.
  • the fixing members 2A and 2B are collectively referred to as "fixing member 2".
  • the fixing member 2 is a cylindrical member.
  • the fixing member 2 has a through hole S2.
  • the peripheral wall portion 2Ga of the fixing member 2 is configured as a sterilization portion.
  • FIG. 32 and 33 are enlarged conceptual diagrams showing a portion A7 of the surface layer portion 2Ga of FIG. 30.
  • FIG. 32 shows the surface layer portion 2Ga of the fixing member 2A
  • FIG. 33 shows the surface layer portion 2Ga of the fixing member 2B.
  • metal fine particles 28A having an effect of reducing bacteria are dispersed in the resin 26.
  • the fine particles 28A are covered with the resin 26 and are configured not to be exposed on the surface of the fixing member 2A.
  • the metal having the effect of reducing bacteria is a metal capable of effectively reducing aerobic bacteria, for example, copper.
  • metal fine particles 28B having an effect of reducing bacteria are dispersed in the resin 26.
  • the fine particles 28B are covered with the resin 26 and are configured not to be exposed on the surface of the fixing member 2B.
  • the metal having the effect of reducing bacteria is a metal capable of effectively reducing anaerobic bacteria, for example, silver.
  • the upper part of the container body 1 is easily in contact with air, so it is assumed that aerobic bacteria are mainly a problem.
  • aerobic bacteria are mainly a problem.
  • anaerobic bacteria are mainly a problem.
  • copper fine particles capable of effectively reducing aerobic bacteria are dispersed in the fixing member 2A arranged on the upper side, and anaerobic bacteria are dispersed in the fixing member 2B arranged on the lower side.
  • Silver fine particles that can effectively reduce the amount of silver particles are dispersed. This makes it possible to effectively reduce bacteria that may cause problems depending on the vertical position of the container 100 in the container body 1. It was
  • both the fixing members 2C and 2D are configured by dispersing a plurality of types of metals in a resin.
  • the content of fine particles of each metal is different between the fixing members 2C and 2D.
  • the fixing member 2C is arranged on the upper side of the suction tube 8, and the fixing member 2D is arranged near the lower end portion of the suction tube 8.
  • the fixing members 2C and 2D both contain copper fine particles and silver fine particles, but the ratio of the copper fine particle content to the content of all metal fine particles Xcu and the silver fine particles to the content of all metal fine particles. The percentage of the content of Xag is different.
  • the content of the copper fine particles 28A is higher than the content of the silver fine particles 28B.
  • the content of the silver fine particles 28B is higher than the content of the copper fine particles 28A. That is, the ratio Xcu in the fixing member 2C is larger than the ratio Xcu in the fixing member 2D.
  • the ratio Xag in the fixing member 2D is larger than the ratio Xag in the fixing member 2C.
  • a mixed powder in which a predetermined amount of copper fine particles 28A and silver fine particles 28B are dispersed in a resin powder is prepared, and the mixed powder is melted and molded by injection molding. It is carried out by molding.
  • the type of bacteria that is supposed to cause a problem at a specific position of the container body 1 is not limited to one type.
  • the inventor of the present invention has a plurality of types of bacteria that are assumed to be problematic at a specific position of the container body 1, and further, a specific type of bacteria that is relatively abundant depending on the specific position. Found different.
  • load distribution a technique for mixing fine metal particles to effectively reduce each type of bacteria and dispersing them in a sterilized part
  • both aerobic bacteria and anaerobic bacteria can be a problem at the internal positions of the container body 1 corresponding to the fixing members 2C and 2D, but the problem of relatively aerobic bacteria is above. It is assumed that there are many problems with anaerobic bacteria in the lower part. Since the content of the copper fine particles in the fixing member 2C is larger than the content of the silver fine particles, and the content of the silver fine particles in the fixing member 2D is larger than the content of the copper fine particles, the container body 1 is specified. Depending on the plurality of types of bacteria that are supposed to be present at the position of, each bacterium can be effectively reduced.
  • the non-fixing members 20C, 20D and 20E of the eighth embodiment are formed in a cylindrical shape.
  • the non-fixing members 20C, 20D and 20E are sterilizing members.
  • the non-fixed members 20C, 20D and 20E constitute a member group.
  • the non-fixed members 20C, 20D and 20E are collectively referred to as "non-fixed member 20".
  • the non-fixing member 20 is arranged in a state where it is not fixed inside the container body 1 that stores the liquid cosmetics 200.
  • the term "non-fixed member” is used to mean a member that is arranged in a non-fixed state.
  • the non-fixing member 20 is composed of a wall portion 20Ha constituting the peripheral wall of the through hole S2.
  • the non-fixing member 20 is composed of a resin in which a plurality of types of metals are dispersed.
  • the content of fine particles of each metal is different. Further, the non-fixed members 20C, 20D and 20E have different specific densities.
  • the plurality of types of metals are copper and silver in this embodiment.
  • the non-fixing members 20C to 20E all contain copper fine particles and silver fine particles, but the ratio of the copper fine particle content to the content of all metal fine particles Xcu and the silver fine particles to the content of all metal fine particles. The percentage of the content of fine particles Xag is different.
  • the ratio Xcu of copper fine particles is larger than the ratio Xag of silver fine particles.
  • the specific gravity of the non-fixing member 20C is smaller than the specific gravity of the cosmetic product 200.
  • the ratio Xcu of the fine particles of copper and the ratio Xag of the fine particles of silver are substantially the same. Further, the specific density of the non-fixing member 20D is substantially equal to the specific gravity of the cosmetic product 200.
  • the ratio Xag of silver fine particles is larger than the ratio Xcu of copper fine particles.
  • the specific gravity of the non-fixing member 20E is larger than the specific gravity of the cosmetic product 200.
  • the specific gravity is adjusted, for example, according to the type of resin.
  • the specific gravity may be adjusted by dispersing fine particles of a metal other than copper and silver in the resin.
  • the non-fixing members 20C to 20E are arranged in the container body 1 in which the cosmetics 200 are stored, the non-fixing members 20C are located near the upper surface of the cosmetics 200 and are not fixed.
  • the member 20D is located between the top and bottom of the cosmetic 200, and the non-fixing member 20E is located at the bottom of the cosmetic 200.
  • the specific gravity of the non-fixing member 20C having a large content of metal fine particles suitable for reducing aerobic bacteria is smaller than the specific gravity of cosmetics 200, it is located near the surface of cosmetics 200 and effectively reduces aerobic bacteria. .. Further, since the specific gravity of the non-fixing member 20E having a large content of metal fine particles suitable for reducing anaerobic bacteria is larger than the specific gravity of cosmetics 200, it is located at the bottom of cosmetics 200 and effectively reduces anaerobic bacteria. do.
  • the specific gravity of the non-fixing member 20E in which the content of the fine metal particles suitable for reducing aerobic bacteria and the content of the metal suitable for reducing anaerobic bacteria are substantially the same, is substantially the same as the specific gravity of the cosmetic product 200. Therefore, it is located between the bottom and the surface of the cosmetic product 200 and effectively reduces aerobic bacteria and anaerobic bacteria.
  • the non-fixing member 20E of the ninth embodiment is configured in a semi-cylindrical shape.
  • the non-fixing member 20E is composed of a central portion 20Ea and outer layer portions 20Eb1 and 20Eb2.
  • the outer layer portions 20Eb1 and 20Eb2 are configured as sterilization portions. That is, a part of the non-fixing member 20E is configured as a sterilized portion.
  • the outer layer portion 20Eb1 and the outer layer portion 20Eb2 are collectively referred to as the outer layer portion 20Eb.
  • the member group is composed of a plurality of non-fixing members 20E having different specific densities in relation to the cosmetics 200 and different contents of copper fine particles and silver fine particles, and the container is formed. A plurality of them are arranged in the main body 1.
  • the non-fixing member 20E which has a higher specific gravity than the cosmetics 200, is configured to make line contact with the bottom surface of the container body 1. As a result, metal ions can be emitted from a larger area and effectively reduced in recent years.
  • the non-fixing member 20F in the tenth embodiment is configured to have a shape in which plate-shaped members are combined in a cross shape. It is composed of a central portion 20Fa and an outer layer portion 20Fb1 to 20Fb4.
  • the outer layer portions 20Fb1 to 20Fb4 are configured as sterilization portions. That is, a part of the non-fixing member 20F is configured as a sterilized portion.
  • the outer layer portion 20Fb1 to the outer layer portion 20Fb4 are collectively referred to as the outer layer portion 20Fb.
  • non-fixing member 20F Since the non-fixing member 20F has four outer layer portions 20Fb1 to 20Fb4, it can come into contact with the cosmetics 200 in a larger area and effectively reduce bacteria.
  • the eleventh embodiment there are various shapes such as the star shape of the non-fixing member 20G shown in FIG. 48, the heart shape of the non-fixing member 20H shown in FIG. 49, or the spherical shape of the non-fixing member 20I shown in FIG. It is possible to adopt a shape.
  • the outer layer portions 20s and 20t of the non-fixing member 20G and the like are configured as sterilization portions.
  • the structure of the sterilized section is the same as that of the first embodiment.
  • the proportions and specific gravities of the contents of the plurality of types of metals are configured to be different from each other to form a member group, and the inside of the container body 1 is formed. It may be arranged.
  • the cosmetic container of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the present invention.
  • the embodiments and variants can be combined as long as there is no technical conflict.
  • Container 1 Container body 2,2A, 2B, 2C, 2D Fixing member 2a Main body 2b Surface layer 3 Soft container 4
  • Hard container 8A, 8B, 8C Suction tube 8a Wall body 8b 8b1 8b2 Surface layer 20, 20A, 20B, 20C, 20D, 20E, 20F, 20G, 20H, 20I Non-fixing member 20a, 20i Central part 20b Outer layer part

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