WO2023080095A1 - 内容物噴射機構およびこの内容物噴射機構を備えたエアゾール式製品 - Google Patents

内容物噴射機構およびこの内容物噴射機構を備えたエアゾール式製品 Download PDF

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Publication number
WO2023080095A1
WO2023080095A1 PCT/JP2022/040530 JP2022040530W WO2023080095A1 WO 2023080095 A1 WO2023080095 A1 WO 2023080095A1 JP 2022040530 W JP2022040530 W JP 2022040530W WO 2023080095 A1 WO2023080095 A1 WO 2023080095A1
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WO
WIPO (PCT)
Prior art keywords
stem
valve seat
contents
peripheral surface
housing
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/JP2022/040530
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English (en)
French (fr)
Japanese (ja)
Inventor
博史 菅野
彰太 吽野
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.)
Mitani Valve Co Ltd
Original Assignee
Mitani Valve 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 Mitani Valve Co Ltd filed Critical Mitani Valve Co Ltd
Priority to CN202280069927.3A priority Critical patent/CN118103305A/zh
Priority to EP22889915.9A priority patent/EP4431190A4/en
Priority to JP2023558020A priority patent/JPWO2023080095A1/ja
Publication of WO2023080095A1 publication Critical patent/WO2023080095A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/44—Valves specially adapted for the discharge of contents; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of the dispensed content, e.g. funnels or hoods
    • B65D83/306—Actuators formed as a rigid elongate spout
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/141—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant specially adapted for specific contents or propellants

Definitions

  • the present invention relates to a content ejection mechanism for related components such as a stem, a valve seat, a stem gasket, and a housing for ejecting the content contained in the container body of an aerosol product to the external space.
  • a contents injection mechanism that can easily fill contents that are difficult to pass through a narrow cross-sectional passage, such as high-viscosity contents, through the valve mechanism, and can easily remove residual contents in the stem.
  • contents containing fibrous substances and apparently having low fluidity are also referred to as high-viscosity contents.
  • the longitudinal direction of the stem that is, the vertical direction in each figure is called “up” or “down.”
  • the high-viscosity content is difficult to separate into two layers when stored in a fixed-capacity space area together with the propellant gas, it is individually stored in a bag (inner bag 60) pressurized with gas (release gas B). Moreover, the content cannot be filled directly into the container at high speed from between the mounting cup (mounting cup 10) and the stem gasket (stem rubber 40) or housing (housing 20).
  • the content bypasses the lower end of the stem portion (columnar portion 31) during injection or filling. Since it can be removed, the filling speed can be improved.
  • the contents are jetted from the outer peripheral surface of the detachable stem part to the outer space area through the passage part inside the stem bypassing the lower end, so that the stem part can be removed after use and the inside can be washed easily.
  • the outer peripheral surface of the stem part with the contents attached tends to come into contact with the central hole of the mounting cup (mounting cup 10) or stem gasket (stem rubber 40) and contaminate the surroundings.
  • Such residual content can cause safety problems due to the contamination of deteriorated items such as spoilage and oxidation, especially when the content is food or medicine.
  • the purpose of the present invention is to minimize contamination around the valve, such as the stem passage, and facilitate cleaning when using high-viscosity contents.
  • An inflow hole for example, a side opening 5b, which will be described later into which contents contained in a container body (for example, an aerosol container 1, which will be described later) flows from the side, and a passage portion (for example, a passage portion, which will be described later) on the downstream side thereof 5a), a bowl-shaped valve seat (for example, a valve seat 6 to be described later) whose inner surface engages with the lower end of the stem (for example, a stem 5 to be described later); a housing (e.g., a housing 4 described later) into which the contents of the container main body flow into, and a stem gasket that has a central opening through which the stem penetrates, is held by the housing, and exhibits a valve action with the valve seat.
  • a container body for example, an aerosol container 1, which will be described later
  • a passage portion for example, a passage portion, which will be described later
  • a bowl-shaped valve seat for example, a valve seat 6 to be described later
  • a housing e
  • the valve seat is An inner peripheral surface (for example, a sheath-shaped inner peripheral surface 6a described later) that is formed on the inner surface and is in close contact with an outer peripheral surface of the lower end portion (for example, a lower end side outer peripheral surface 5c described later); An upward annular contact portion (for example, an annular convex portion 6b described later) formed around the bowl-shaped opening, The inflow hole is provided inside the annular contact portion and exposed from the bowl-shaped opening of the valve seat when the stem and the valve seat are engaged,
  • the stem gasket is The bottom surface of the central opening near the outside is held by the housing in a state of being in close contact with the annular abutting portion when in the stationary mode.
  • a configuration mode is used.
  • the object of the present invention is a content ejection mechanism having such a configuration and an aerosol product using the same.
  • the present invention by taking the above configuration, When using high-viscosity contents, Easier cleaning around valves such as stem passages, can be achieved.
  • FIG. 4 is an explanatory diagram showing an initial mode of the present invention
  • FIG. 5 is an explanatory diagram showing an injection mode in which the stem 5 is pressed
  • 2 is an explanatory view showing a stationary mode in which the stem 5 is released from being pressed and returned to the position shown in FIG. 1
  • FIG. FIG. 4 is an explanatory diagram showing a state in which the stem 5 is removed from the static mode of FIG. 3;
  • FIG. 1 A mode for carrying out the present invention will be described with reference to FIGS. 1 to 4.
  • FIG. 1 A mode for carrying out the present invention will be described with reference to FIGS. 1 to 4.
  • constituent elements with alphabetical reference numerals are part of the constituent elements (for example, the housing 4) indicated by the numerals of the reference numerals.
  • 1 is an aerosol container containing a compressed gas or the like as a propellant for pressurizing the bag 9 described later from the outside;
  • 2 is a mounting cup attached to the upper opening of the aerosol container 1;
  • 3 is a container gasket for hermetically sealing between the aerosol container 1 and the mounting cup 2;
  • Reference numeral 4 denotes a housing for passage of contents, which accommodates a valve seat 6 and a spring 8 described later and is fitted and fixed to the mounting cup 2;
  • 4a is a small diameter portion formed at the lower end of the housing 4 for inflow of contents;
  • a rib 4b guides the valve seat 6 in the vertical direction and receives the lower end of a spring 8, which will be described later.
  • 5 is a cylindrical stem which is provided in a manner penetrating through the central opening of the mounting cup 2 and which is the object of injection operation; 5a is a passage through which the contents flow out in the injection mode; 5b is a side opening into which the content flows in the injection mode; 5c is a lower end side outer peripheral surface composed of a cylindrical outer peripheral surface and a tapered surface continuing below it; 5d is a lower end side opening that communicates the inside and outside of the stem 5 to eliminate the pressure difference when the stem 5 is attached or detached; 5e is a rib provided on the inner peripheral surface of the stem 5 so as to connect the upper side and the lower side of the side opening 5b; 6 is a valve seat housed in a housing 4 having a sheath-like concave portion at its upper end for engaging the stem 5; 6a is a sheath-like inner peripheral surface provided on the upper end of the valve seat 6 and closely engaged with the lower end of the stem 5; 6b is an annular protrusion formed upward to surround the sheath
  • a spring 8 is provided between the valve seat 6 and the rib 4b and biases the valve seat 6 to the closed state of the injection valve.
  • 9 is a bag containing the contents, which is formed by adhering and welding the outer periphery of the resin film;
  • a connecting port 10 is welded in a manner sandwiched between the outer peripheral lamination of the upper portion of the bag 9 and serves as an outlet for the contents of the bag 9, and is connected to the small diameter portion 4a of the housing 4.
  • A is the liquid level of the content that enters downward in the stem 5 in the injection mode
  • B is the liquid level of the contents leaking from the lower end side opening 5d of the removed stem 5 to the bottom; are shown respectively.
  • the housing 4, stem 5, valve seat 6, bag 9, connection port 10 and suction pipe 11 are made of plastic such as polypropylene, polyethylene, polyacetal, nylon and polybutylene terephthalate.
  • the aerosol container 1 and spring 9 are made of plastic or metal, the mounting cup 2 is made of metal, and the container gasket 3 and stem gasket 7 are made of elastomer or rubber. .
  • the upper end of the stem 5 is used by connecting an operating portion having a passage to the injection port (not shown).
  • Fig. 1 shows the aerosol product in the initial state without pressing the stem 5.
  • the container used for this aerosol product is assembled with no contents in the bag 9.
  • the spring 8, the valve seat 6, and the stem gasket 7 are installed in the housing 4 inside the central columnar portion of the mounting cup 2 and crimped from the outside.
  • a bag 9 containing contents is formed by welding the peripheries of two resin films to each other so as to sandwich a connection port 10 to which a suction tube 11 is attached.
  • the connecting port 10 of the bag 9 is engaged with the small-diameter portion 4a of the housing 4 and integrated.
  • This integrated product is inserted from the opening at the top of the aerosol container 1, and the mounting cup 2 is mounted on the opening of the aerosol container 1 with the container gasket 3 interposed while filling the inside of the aerosol container 1 with compressed gas.
  • the annular concave portion on the upper surface of the cup 2 is crimped outward to fix it airtightly.
  • the compressed gas filled in the aerosol container 1 always compresses the bag 9 from the outside.
  • valve seat 6 is moved downward by the pressure to fill the contents, and the annular convex portion 6b at the upper end thereof is separated from the stem gasket 7 to open the injection valve.
  • the bag 9 is filled from the small diameter portion 4a of 4. The bag 9 expands as it is filled with contents, and the surrounding compressed gas is further compressed.
  • the outer peripheral surface 5c on the lower end side consists of a cylindrical outer peripheral surface and a tapered surface that tapers continuously from below, ensuring a close contact length with the sheath-shaped inner peripheral surface 6a, while ensuring a sliding portion during installation. By shortening, both stabilization and facilitation of fixation between the stem 5 and the valve seat 6 are achieved.
  • FIG. 2 shows an injection state (injection mode) in which the stem 5 of the aerosol product in FIG. 1 is pushed down.
  • the annular projection 6b is separated from the stem gasket 7 to create a gap, opening the injection valve and allowing the interior of the housing 4 and the interior of the stem 5 to communicate with each other. .
  • the contents contained in the bag 9 are pressure-fed inside the housing 4 by the pressure of the compressed gas compressing the bag 9 along the path indicated by the arrow in the figure, and then through the side opening 5b of the stem 5 and the passage 5a to the external space. be jetted.
  • the opening 5d on the lower end of the stem 5 is closed by the valve seat 6 and forms a dead end, there is an air pool where the contents do not enter, and the contents enter only up to the liquid surface A due to the high viscosity. Even if the content has a low viscosity, the inner peripheral surface of the stem 5 and the stepped portion formed by the inner bottom surface around the lower end side opening 5d prevent the content from dripping, and the content enters the lower end side opening 5d. to prevent
  • FIG. 3 shows a stationary state (stationary mode) in which the stem 5 of the aerosol product in FIG. 2 is released and the stem 5 returns to the position in FIG.
  • FIG. 4 shows a state in which the stem 5 has been removed from the aerosol product of FIG.
  • the outer peripheral surface 5c on the lower end side consists of a cylindrical outer peripheral surface and a tapered surface that tapers continuously from below. Since the negative pressure is released by communicating with the external space, the outflow of the contents from the lower end side opening 5d is stopped immediately.
  • valve seat 6 and the stem gasket 7 are washed as necessary, the residue of the contents is minimal, and the inner bottom surface of the valve seat 6, which is deep and difficult to clean, does not adhere to the contents, so it is easy to clean. be able to.
  • the present invention is not limited to the above embodiments, (21) Instead of providing the bottom opening 5d on the bottom surface of the stem 5, a hole is provided between the bottom surface and the side opening 5b in the form of an intermediate orifice. (22) Integrating the stem 5 and various operation parts, You may do so.
  • Aerosol-type products to which the present invention can be applied include cleansing agents, cleaning agents, cooling agents, muscle anti-inflammatory agents, hair restorers, hair dyes, hair styling agents, hair treatment agents, sunscreens, lotions, cleansing agents, and conditioners.
  • Perspirants, cosmetics, shaving foam, food, droplets (vitamins, etc.), pharmaceuticals, quasi-drugs, gardening agents, insecticides, pest repellents, animal repellents, deodorants, laundry glue, fire extinguishers There are various uses such as containers, paints, adhesives, lubricants, and urethane foams.
  • compositions to be added to the contents include, for example, powders, oil components, alcohols, surfactants, polymer compounds, active ingredients suitable for each application, and water.
  • metal salt powders As powdery materials, metal salt powders, inorganic powders, resin powders, etc. are used.
  • talc kaolin, aluminum hydroxychloride (aluminum salt), calcium alginate, gold powder, silver powder, mica, carbonate, magnesium chloride, silica, zinc oxide, titanium oxide, zeolite, nylon powder, barium sulfate, cellulose, mixtures thereof and so on.
  • Oil components include silicone oils such as dimethylpolysiloxane, ester oils such as isopropyl myristate, oils such as palm oil, eucalyptus oil, camellia oil, olive oil, and jojoba oil, hydrocarbon oils such as liquid paraffin, myristic acid, and palmitic acid. Fatty acids such as acid, stearic acid, linoleic acid and linolenic acid are used.
  • monohydric lower alcohols such as ethanol
  • monohydric higher alcohols such as lauryl alcohol and cetanol
  • polyhydric alcohols such as ethylene glycol, 1,3-butylene glycol and glycerin are used.
  • surfactants examples include anionic surfactants such as sodium lauryl sulfate, nonionic surfactants such as polyoxyethylene alkyl ethers and polyglycerin fatty acid esters, amphoteric surfactants such as betaine lauryldimethylaminoacetate, and alkyl chlorides.
  • anionic surfactants such as sodium lauryl sulfate
  • nonionic surfactants such as polyoxyethylene alkyl ethers and polyglycerin fatty acid esters
  • amphoteric surfactants such as betaine lauryldimethylaminoacetate
  • alkyl chlorides examples include sodium lauryl sulfate, nonionic surfactants such as polyoxyethylene alkyl ethers and polyglycerin fatty acid esters, amphoteric surfactants such as betaine lauryldimethylaminoacetate, and alkyl chlorides.
  • a cationic surfactant such as trimethylammonium is used.
  • Hydroxyethyl cellulose, methyl cellulose, gelatin, starch, casein, xanthan gum, carboxyvinyl polymer, etc. are used as polymer compounds.
  • Active ingredients for each application include dyes such as paraphenylenediamine and aminophenol, oxidizing agents such as hydrogen peroxide, setting agents such as acrylic resins and waxes, and ultraviolet rays such as 2-ethylhexyl paramethoxycinnamate.
  • Absorbents vitamins such as retinol and dl- ⁇ -tocopherol, moisturizers such as hyaluronic acid, anti-inflammatory analgesics such as methyl salicylate and indomethacin, disinfectants such as sodium benzoate and cresol, pests such as pyrethroids and diethyltoluamide Repellents, antiperspirants such as zinc paraphenolsulfonate, cooling agents such as camphor and menthol, anti-asthmatic agents such as ephedrine and adrenaline, sweeteners such as sucralose and aspartame, adhesives and paints such as epoxy resins and urethane, Dyes such as paraphenylenediamine and aminophenol, oxidizing agents such as hydrogen peroxide, and extinguishing agents such as ammonium dihydrogen phosphate and sodium/potassium hydrogen carbonate are used.
  • moisturizers such as hyaluronic acid
  • anti-inflammatory analgesics such as
  • suspending agents emulsifiers, antioxidants, sequestering agents, etc. other than the above contents can also be used.
  • liquefied gas such as liquefied petroleum gas, dimethyl ether, hydrofluoroolefin, etc.
  • compressed gas such as carbon dioxide gas, nitrogen gas, compressed air, nitrous oxide, oxygen gas, rare gas, mixed gas of these is used.
  • Aerosol container 2 Mounting cup 3: Container gasket 4: Housing 4a: Small diameter part 4b: Rib 5: Stem 5a: Passage part 5b: Side opening 5c: Lower end side outer peripheral surface 5d: Lower end side opening 5e: Rib 6 : Valve seat 6a: Sheath-shaped inner peripheral surface 6b: Annular protrusion 7: Stem gasket 8: Spring 9: Bag 10: Connection port 11: Suction pipe A: Liquid level B: Liquid level

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
PCT/JP2022/040530 2021-11-08 2022-10-28 内容物噴射機構およびこの内容物噴射機構を備えたエアゾール式製品 Ceased WO2023080095A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202280069927.3A CN118103305A (zh) 2021-11-08 2022-10-28 内容物喷射机构和包括该内容物喷射机构的气溶胶式产品
EP22889915.9A EP4431190A4 (en) 2021-11-08 2022-10-28 Contents ejection mechanism and aerosol product equipped with this mechanism for ejecting contents
JP2023558020A JPWO2023080095A1 (https=) 2021-11-08 2022-10-28

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021181551 2021-11-08
JP2021-181551 2021-11-08

Publications (1)

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WO2023080095A1 true WO2023080095A1 (ja) 2023-05-11

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PCT/JP2022/040530 Ceased WO2023080095A1 (ja) 2021-11-08 2022-10-28 内容物噴射機構およびこの内容物噴射機構を備えたエアゾール式製品

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EP (1) EP4431190A4 (https=)
JP (1) JPWO2023080095A1 (https=)
CN (1) CN118103305A (https=)
WO (1) WO2023080095A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3818747Y1 (https=) * 1960-05-20 1963-09-05
JPH09290874A (ja) * 1996-04-26 1997-11-11 Osaka Ship Building Co Ltd エアゾール装置
JP2005162327A (ja) 2003-11-10 2005-06-23 Mitani Valve Co Ltd 二重容器用ハウジング，二重容器用ハウジング機構，エアゾール容器，エアゾール容器内容物の通路機構，エアゾール式製品、およびエアゾール容器への充填方法
WO2016056714A1 (ko) * 2014-10-07 2016-04-14 주식회사 톨모에코그린 비금속 외부용기와 내부용기에 의한 이중 용기 구조를 갖는 분사장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6588628B2 (en) * 2001-11-30 2003-07-08 Robert Henry Abplanalp Aerosol valve assembly
FR2862623B1 (fr) * 2003-11-25 2006-01-20 Oreal Valve a basculement a debits independants
JP2005271921A (ja) * 2004-03-22 2005-10-06 Mitani Valve Co Ltd エアゾール容器用のハウジングおよびエアゾール式製品
WO2015083642A1 (ja) * 2013-12-03 2015-06-11 株式会社三谷バルブ エアゾールハウジング機構およびこのエアゾールハウジング機構を備えたエアゾール式製品
CN112469641B (zh) * 2018-08-31 2023-08-08 三谷阀门有限公司 气溶胶容器的定量喷射机构和具备该定量喷射机构的气溶胶式产品

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3818747Y1 (https=) * 1960-05-20 1963-09-05
JPH09290874A (ja) * 1996-04-26 1997-11-11 Osaka Ship Building Co Ltd エアゾール装置
JP2005162327A (ja) 2003-11-10 2005-06-23 Mitani Valve Co Ltd 二重容器用ハウジング，二重容器用ハウジング機構，エアゾール容器，エアゾール容器内容物の通路機構，エアゾール式製品、およびエアゾール容器への充填方法
WO2016056714A1 (ko) * 2014-10-07 2016-04-14 주식회사 톨모에코그린 비금속 외부용기와 내부용기에 의한 이중 용기 구조를 갖는 분사장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4431190A4

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Publication number Publication date
CN118103305A (zh) 2024-05-28
EP4431190A1 (en) 2024-09-18
EP4431190A4 (en) 2025-11-12
JPWO2023080095A1 (https=) 2023-05-11

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