WO2021029121A1 - エアゾール容器の逆定量噴射機構およびこの逆定量噴射機構を備えたエアゾール式製品 - Google Patents

エアゾール容器の逆定量噴射機構およびこの逆定量噴射機構を備えたエアゾール式製品 Download PDF

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Publication number
WO2021029121A1
WO2021029121A1 PCT/JP2020/021252 JP2020021252W WO2021029121A1 WO 2021029121 A1 WO2021029121 A1 WO 2021029121A1 JP 2020021252 W JP2020021252 W JP 2020021252W WO 2021029121 A1 WO2021029121 A1 WO 2021029121A1
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Prior art keywords
contents
metering chamber
chamber
fixed quantity
annular
Prior art date
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PCT/JP2020/021252
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English (en)
French (fr)
Japanese (ja)
Inventor
菅野　博史
Original Assignee
株式会社三谷バルブ
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
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Application filed by 株式会社三谷バルブ filed Critical 株式会社三谷バルブ
Priority to CN202080043890.8A priority Critical patent/CN113993794A/zh
Priority to KR1020217037224A priority patent/KR102723512B1/ko
Priority to JP2021539821A priority patent/JPWO2021029121A1/ja
Publication of WO2021029121A1 publication Critical patent/WO2021029121A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • 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
    • B65D83/52—Metering valves; Metering devices

Definitions

  • the contents of the container are housed in the quantification chamber in the inflow valve open state (outflow valve closed state) by the injection operation of the aerosol container, and the quantification of the outflow valve open state (inflow valve closed state) at the release stage of this injection operation.
  • the present invention relates to a reverse quantitative injection mechanism in which the contained contents of a chamber are injected into an external space area.
  • the outflow valve for injecting the contents is first closed and the inflow valve corresponding to the stem is opened, so that the contents of the container flow into the metering chamber between these valves, and the inflow valve is closed at the stage of releasing the injection operation.
  • the present invention relates to a reverse metering injection mechanism in which the contents of the metering chamber are jetted by opening the outflow valve.
  • annular moving wall provided as a component of the metering chamber is urged to shift to an injection mode of “outflow valve opening” that increases the internal pressure of the metering chamber at the stage of releasing the injection operation by elastic action.
  • the foam component in the quantification chamber is generated because the contents containing the propellant such as liquefied gas are vaporized in the quantification chamber, which is a remarkable phenomenon when the liquefied gas propellant is used.
  • the “contents" when the foam component is generated by the vaporization of the propellant in the quantitative chamber is the undiluted solution and the liquefied gas propellant. This foam formation phenomenon can also occur when a compressed gas propellant soluble in the undiluted solution is used.
  • the moving wall as a component of the metering chamber is urged by an elastic member below the drawing. Therefore, even when the propellant in the aerosol container is a compressed gas that is not substantially contained in the metering chamber (it is not substantially dissolved in the stock solution) unlike the liquefied gas, the stock solution injection state of "outflow valve open" with a high metering chamber pressure can be set. ..
  • the object of application of the present invention is an aerosol-type product for various purposes described later, such as "quantitative spout for enema foam”.
  • This quantitative injection mechanism has the convenience that a substantially fixed amount of contents is once stored in the quantitative chamber and then injected into the external space area for each pressing operation and subsequent return of the operation unit. Is.
  • the contents of the container body are once housed in the metering chamber in the "inflow valve open, outflow valve closed" state due to the content injection operation, and this metering chamber is released by releasing the injection operation.
  • the contents are jetted into the external space area.
  • the foam component generated by the vaporization of the contents containing the propellant (for example, a liquefied gas propellant) in the metering chamber may be accumulated in the metering chamber for each injection operation of the aerosol container. ..
  • the propellant for example, a liquefied gas propellant
  • the foam component generated by vaporization of the inflow propellant into the metering chamber in the inflow stock solution is sent out to the external space area by the shift operation of the metering chamber moving wall in the direction of reducing the volume of the metering chamber each time the injection operation is released. Therefore, the purpose is to prevent the accumulation of foam components in this metering chamber.
  • the jet mechanism in which the contents contained in the metering chamber are jetted to the external space area by canceling the operation is provided.
  • the purpose is to provide and enrich the reverse quantitative injection technology.
  • the moving wall of a part of the metering chamber is elastic in the decreasing direction of the metering chamber space area. It is provided in a manner of being urged by force.
  • the moving wall constituting the quantification chamber is set to the urging state in the direction of decreasing the volume of the quantification chamber by the elastic action, and while resisting this elastic urging force according to the inflow of the contents into the quantification chamber due to the injection operation. It moves in the direction of increasing the volume of the metering chamber.
  • the liquefied gas propellant and the like vaporize in the stock solution to become foam components in the metering chamber.
  • the moving wall of the metering chamber moves to the stationary mode position by the action of elastic urging force, and the outflow valve shifts from the "closed” state to the "open” state by the internal pressure of the metering chamber.
  • the contents of the quantitative chamber containing the foam component are injected into the external space area.
  • the outflow valve for injecting the contents (for example, the outflow valve C of the outward annular tapered surface 4f and the annular upper edge portion 5k described later) is closed, and the contents are closed in this outflow valve state.
  • an inflow valve for example, a lateral hole portion 4c described later and an inflow valve B of an annular gasket 4d described later
  • a metering chamber for example, a metering chamber between the inflow valve and the outflow valve
  • a first elastic member for example, the vertical inner coil spring 4h described later
  • a moving wall for example, the annular moving wall 6 described later
  • a second elastic member for example, a vertical outer coil spring 6a described later
  • the moving wall Along with the injection operation, the pressure action of the contents flowing into the metering chamber from the inflow valve in the open state moves in the direction of increasing the volume of the metering chamber while resisting the elastic force of the second elastic member. With the release of the injection operation, the elastic action of the second elastic member moves the outflow valve in the decreasing direction of the total volume to change the outflow valve from the closed state to the open state.
  • the configuration mode is used.
  • the outflow valve It is set at each annular facing portion between the stem and the outer cover head (for example, the lower cover head 5b described later).
  • the moving wall It is arranged in close contact with each of the tubular portions in an annular space area between the inner and outer tubular portions (for example, between the inner tubular portion 5d and the outer tubular portion 5e described later) constituting the cover head. ,
  • the configuration mode is used.
  • the object of the present invention is an aerosol container reverse metering injection mechanism having such a configuration and an aerosol-type product using the same.
  • the foam component generated by vaporizing the inflow injection agent into the inflowing stock solution in the inflow stock solution can be reduced in volume in the metering chamber moving wall of the metering chamber moving wall each time the injection operation is released. It can be sent out to the external space area by the shift operation to prevent the accumulation of foam components in the metering chamber.
  • the contents of the quantitative chamber are surely injected into the external space area by releasing the operation with the injection operation. , It is possible to enhance the reverse quantitative injection technology.
  • FIG. 5 is an explanatory diagram showing a content inflow mode (cover head and stem: integrally move upward in the drawing, inflow valve: open, outflow valve: closed) during an injection operation following FIG. It is explanatory drawing which shows the bottom dead center mode of the stem (cover head and stem: integrated movement downward in the drawing, fixed quantity chamber pressure: increase, inflow valve: closed, outflow valve: closed) at the initial stage of release of injection operation.
  • FIG. 5 is an explanatory diagram showing an injection mode (cover head: fine movement downward in the drawing, inflow valve: closed, outflow valve: open) when the injection operation is released following FIG.
  • FIG. 3 shows a foam component generated in the quantification chamber A
  • FIG. 4 shows the generated foam component stored in the quantification chamber A
  • FIG. 5 shows the stored foam component in the quantification chamber A passing through the outflow valve C to the external space. It shows that it moves to the area.
  • the terms “upper” and “lower” indicate the positional relationship of the aerosol type product in the illustrated inverted use state, respectively.
  • the stem is urged downward (not upward) by a coil spring.
  • A is a space area continuously set between the inflow valve and the outflow valve, and is a quantitative chamber in which the contents to be injected into the external space area due to the content injection operation are accommodated.
  • B is an inflow valve of a metering chamber A including a lateral hole portion 4c described later and an annular gasket 4d described later for opening and closing the lateral hole portion 4c.
  • C is an outflow valve of the metering chamber A, which is composed of an outward annular tapered surface 4f, which will be described later, and an annular upper edge portion 5k, which will be described later, which is in contact with and separated from the tapered surface 4f. Are shown respectively.
  • 1 is an aerosol container containing the contents to be injected and the liquefied gas as an injection agent.
  • 2 is a mounting cup attached to the lower opening of the aerosol container,
  • Reference numeral 3 denotes a housing for passing the contents, which is fitted and fixed to the mounting cup 2.
  • 3a is an opening for inflow of contents formed on the peripheral surface of the housing 3. Are shown respectively.
  • Reference numeral 4 denotes a stem whose upper portion is arranged inside the housing 3 and exhibits a well-known inflow valve action and an outflow valve action between the lower cover head 5b and the annular upper edge portion 5k described later.
  • 4a is the upper part of the stem that acts as an inflow valve
  • 4b is a lower part of the stem that fits with the upper part 4a of the stem and exhibits an outflow valve action.
  • 4c is a total of two lateral holes formed in the upper stem portion 4a to form an inflow valve.
  • 4d is a well-known annular gasket that constitutes an inflow valve with the outer opening side of the lateral hole portion 4c.
  • 4e is a total of four vertical holes formed in the lower part 4b of the stem for passing the contents.
  • 4f is an outwardly narrowing outward annular tapered surface formed on the lower end side of the lower stem portion 4b and forming an outflow valve with the annular upper edge portion 5k described later.
  • 4g is an upward annular step portion formed on the upper side of the outer peripheral surface of the lower stem portion 4b and held in an engaged state with the inner peripheral surface of the inner tubular portion 5d described later.
  • 4h is a vertical inner coil spring for urging the stem, which is arranged inside the housing 3 and urges the stem 4 to the closed state of the inflow valve B. Are shown respectively.
  • Reference numeral 5 denotes a cover head (upper cover head 5a + lower cover head 5b) engaged and held by the lower portion 4b of the stem.
  • the upper cover head 5a is composed of an annular concave portion that is open downward, and is engaged with the outer peripheral surface of the lower stem portion 4b, and an annular moving wall 6 described later is arranged in the annular internal space area thereof.
  • the lower cover head 5b is fitted and integrated with the upper cover head 5a to form an outflow valve with the outward annular tapered surface 4f of the stem 4.
  • 5c is a part of the upper cover head 5a, and is a downward annular surface that always receives the upper end side of the vertical outer coil spring 6a described later.
  • 5d is a part of the upper cover head 5a, is formed in a manner continuous downward from the inner end side of the downward annular surface 5c, and is formed between the upper cover head 5a and the outer peripheral surface (upward annular step portion 4g, etc.) of the stem lower portion 4b.
  • Inner tubular part that can move relative to the vertical direction Reference numeral 5e is a part of the upper cover head 5a, which is an outer tubular portion continuous downward from the outer end side of the downward annular surface 5c.
  • 5f is a vertical rib-shaped portion (see FIG. 3) formed in the vertical direction of the upper inner peripheral surface of the outer tubular portion 5e to set the uppermost position of the annular moving wall 6 described later.
  • 5 g is an outer peripheral concave portion formed on the upper outer peripheral end side of the lower cover head 5b and fitted with the lower end annular portion of the outer tubular portion 5e.
  • 5h is a part of the lower cover head 5b, and is an upward annular surface that receives the annular moving wall 6 described later in the stationary mode of FIG.
  • Reference numeral 5j is a central vertical tubular portion for injecting contents, which is formed in the center of the bottom portion of the metering chamber A.
  • 5k is an annular upper edge portion which is an opening side on the drawing of the central vertical tubular portion 5j and exhibits an outflow valve action with the outward annular tapered surface 4f of the stem 4.
  • 5m is a head operating portion that is fitted to the outer peripheral surface of the central vertical tubular portion 5j of the lower cover head 5b to form the horizontally oriented content passage portion shown in the drawing, and is used for a pressing operation for ejecting the content.
  • 5n is a substantially L-shaped passage portion for injecting the contents formed inside the head operation portion 5 m. Are shown respectively.
  • 6 is held by the upward annular surface 5h of the lower cover head 5b in the stationary mode of FIG. 1, and is caused by the action of the propellant accompanying the inflow of the contents into the metering chamber A by the contents injection operation of the vertical outer coil spring 6a described later.
  • An annular moving wall that moves upward while resisting elastic force, The vertical outer coil spring 6a is disposed between the downward annular surface 5c of the upper cover head 5a and the upper surface portion of the annular moving wall 6, and urges the annular moving wall 6 downward in the drawing.
  • 6b is an inner skirt-shaped portion formed on the inner peripheral end side of the annular moving wall 6 and in close contact with the outer peripheral surface of the inner tubular portion 5d of the upper cover head 5a and exhibiting a sealing action on the metering chamber A.
  • 6c is an outer skirt-shaped portion formed on the outer peripheral end side of the annular moving wall 6 and in close contact with the inner peripheral surface of the outer tubular portion 5e of the upper cover head 5a and exhibiting a sealing action on the metering chamber A.
  • 6d is an annular concave portion formed on the upper surface portion of the annular moving wall 6 and receiving the lower end side of the vertical outer coil spring 6a in the drawing.
  • 6e is a total of six vertical rib-shaped portions formed on the outer inner peripheral surface of the annular concave portion 6d to hold the so-called radial position of the vertical outer coil spring 6a.
  • 6f is formed in the inner and outer diameter directions of the lower surface portion of the annular moving wall 6, and is used for inflowing the contents into the quantitative chamber space area on the outside of the annular moving wall (between the outer tubular portion 5e of the upper cover head 5a).
  • a total of four groove-shaped parts that set the initial passage area, 6g is formed on the upper side of the outer skirt-shaped portion 6c, and by contacting the lower end surface of the vertical rib-shaped portion 5f of the upper cover head 5a, the outer annular upper surface, which defines the uppermost position of the annular moving wall 6. are shown respectively.
  • the housing 3, the stem 4, the cover head 5, the head operation portion 5 m, and the annular moving wall 6 are made of plastic made of, for example, polypropylene, polyethylene, polyacetal, nylon, polybutylene terephthalate, or the like.
  • the aerosol container 1, the vertical inner coil spring 4h, and the vertical outer coil spring 6a are made of, for example, plastic or metal.
  • the mounting cup 2 is made of metal, for example.
  • the metering chamber A is roughly an internal space area of the stem on the downstream side of the inflow valve B, an internal space area on the lower side of the inner tubular portion 5d on the upstream side of the outflow valve C, and an annular space area on the lower side of the annular moving wall 6. Is.
  • the main feature of the illustrated reverse metering injection mechanism is the direction in which the annular moving wall 6, which is a so-called component of the metering chamber A, is moved downward in the figure by the vertical outer coil spring 6a, that is, the volume of the metering chamber A to be accommodated is reduced. It is elastically urged to.
  • the foam component generated by vaporization of the inflow propellant (liquefied gas propellant) into the metering chamber A is sent out to the external space area, and the foam component is stored in the metering chamber A. It is preventing it from being done.
  • the contained contents of the quantitative chamber A are surely in the external space area not only when a liquefied gas propellant that dissolves in the contents (stock solution) is used but also when a compressed gas propellant that can be said to be insoluble in the stock solution is used. Be jetted.
  • the inflow valve B is closed and the outflow valve C is open, and the contents of the aerosol container 1 do not flow into the metering chamber A.
  • FIG. 2 shows a state in which the outflow valve C is closed immediately after the start of the content injection operation, and the content inflow space area of the metering chamber A is set.
  • the user pushes the head operation unit 5 m with a finger while holding the aerosol container 1, and moves the cover head 5 integrated with the cover head 5 and the stem 4 interlocking with the cover head 5 upward in the drawing. is there.
  • the integrated body of the cover head 5 and the head operating portion 5 m moves slightly upward with respect to the stem 4 and the aerosol container 1, and the annular upper edge portion 5k thereof is in close contact with the outward annular tapered surface 4f, so to speak, and the outflow valve C. Is set to the closed state.
  • the stem 4 is urged downward in the figure by the vertical inner coil spring 4h, and remains in the substantially stationary mode position.
  • FIG. 3 shows a state in which the inflow valve B is opened by the stem 4 moving upward with respect to the aerosol container 1 and the housing 3 in accordance with the upward injection operation shown in FIG. 2, that is, the contents of the aerosol container 1 are ". It shows a state in which the outflow valve is closed and flows into the metering chamber A and is stored there.
  • the contents of the metering chamber are the objects to be injected into the external space area when the injection operation is released.
  • a foam component in a state in which the liquefied gas propellant flowing into the metering chamber is vaporized in the inflow stock solution is generated.
  • the entire stem 4, cover head 5 and head operating portion 5 m are vertically oriented with the annular upper edge portion 5k of the cover head 5 in contact with the outward annular tapered surface 4f of the stem 4. It is moving upward while resisting the elastic force of the inner coil spring 4h.
  • the contents of the aerosol container 1 become "Opening 3a of the housing 3-Inner peripheral surface of the housing 3 and outer peripheral surface of the stem upper portion 4a in the annular and vertical gap space area-Horizontal hole portion 4c-Inside the stem 4 in the vertical direction" It flows into the metering chamber A through the space area-vertical hole portion 4e of the stem 4 or the like.
  • the annular moving wall 6 that moves upward in the drawing stops in a state where its outer annular upper surface 6g is in contact with the lower end surface portion of the vertical rib-shaped portion 5f of the outer tubular portion 5e.
  • FIG. 4 shows an inflow valve “closed” state in which the stem 4 immediately after the injection operation is released following FIG. 3 returns to the initial position (stationary mode position in FIG. 1) below the drawing due to the elastic action of the vertical inner coil spring 4h. There is.
  • the cover head 5 is interlocked with the stem 4 that returns downward with respect to the aerosol container 1 and the housing 3, and the outward annular tapered surface 4f and the annular upper edge portion 5k of the outflow valve C. Are in contact.
  • both the inflow valve B and the outflow valve C are in the "closed” state.
  • the contents of the aerosol container 1 are already stored in the metering chamber A by the route shown in FIG.
  • the foam component of FIG. 3 is also housed in the quantitative chamber A.
  • the annular moving wall 6 constituting the metering chamber A is driven downward in the drawing by the elastic action of the vertical outer coil spring 6a, and the contents containing the foam component are driven. Since it is compressed, the internal pressure of the metering chamber A is high.
  • the cover head 5 moves downward in the figure with respect to the stem 4.
  • the stem 4 remains in the initial position (stationary mode position) with respect to the housing 3 as shown in FIGS. 4 and 5.
  • the content containing the foam component of the metering chamber A is external from the passage portion 5n of the head operation portion 5 m in the black arrow path of FIG. 5 via the outflow valve C shifted to the open state. It is sprayed into the space area.
  • the reverse metering injection mechanism shown in the figure is intended for inverted use, the present invention is not limited to this, and of course, it can be applied to the case of upright use in which the cover head 5 is set on the upper side. In this case, the vertical positional relationship is opposite to that described in the present specification.
  • Aerosol-type products to which the present invention is applied include cleaning agents, cleaning agents, cooling agents, muscle anti-inflammatory agents, hair growth agents, hair dyes, hair styling agents, hair treatment agents, sunscreens, lotions, cleansing agents, and controls. Sweat, cosmetics, shaving foam, food, droplets (vitamins, etc.), pharmaceuticals, quasi-drugs, gardening agents, insecticides, pest repellents, animal repellents, deodorants, wash paste, fire extinguishing There are various uses such as vessels, paints, adhesives, lubricants, and urethane foams.
  • the contents contained in the aerosol container various forms such as liquid, cream, and gel are used.
  • the components to be blended in the contents are, for example, powders, oil components, alcohols, surfactants, polymer compounds, active ingredients according to each application, water and the like.
  • metal salt powder inorganic powder, resin powder, or the like.
  • 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, and mixtures thereof. Etc. are used.
  • the oil components include silicone oil such as dimethylpolysiloxane, ester oil such as isopropyl myristate, palm oil, eucalyptus oil, camellia oil, olive oil, jojoba oil and other fats and oils, liquid paraffin and other hydrocarbon oils, myristic acid and palmitin.
  • silicone oil such as dimethylpolysiloxane
  • ester oil such as isopropyl myristate, palm oil, eucalyptus oil, camellia oil, olive oil, jojoba oil and other fats and oils, liquid paraffin and other hydrocarbon oils, myristic acid and palmitin.
  • fatty acids such as acid, stearic acid, linoleic acid, and linolenic acid.
  • monohydric lower alcohols such as ethanol
  • monohydric higher alcohols such as lauryl alcohol and cetanol
  • ethylene glycol such as 1,3-butylene glycol and glycerin
  • polyhydric alcohols such as 1,3-butylene glycol and glycerin
  • Surfactants 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 lauryl dimethylaminoacetate, 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 lauryl dimethylaminoacetate
  • alkyl chlorides such as betaine lauryl dimethylaminoacetate
  • a cationic surfactant such as trimethylammonium is used.
  • polymer compound hydroxyethyl cellulose, methyl cellulose, gelatin, starch, casein, xanthan gum, carboxyvinyl polymer, etc. are used.
  • Active ingredients according to each application include dyes such as paraphenylenediamine and aminophenol, oxidizing agents such as hydrogen peroxide solution, setting agents such as acrylic resin and wax, and ultraviolet rays such as 2-ethylhexyl paramethoxysilicate.
  • 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 diethyl tolamide Repellents, antiperspirants such as zinc paraphenol sulfonate, refreshing agents such as camphor and menthol, anti-asthmatic agents such as ephedrine and adrenaline, sweeteners such as scullose and aspartame, adhesives and paints such as epoxy resin and urethane, Use dyes such as paraphenylenediamine and aminophenol, oxidizing agents such as hydrogen peroxide solution, and fire extinguishing agents such as ammonium dihydrogen phosphate and sodium hydrogen carbonate / potassium.
  • moisturizers such as hyaluronic acid
  • anti-inflammatory analgesics such as
  • suspension agents emulsifiers, antioxidants, sequestrants, etc. other than the above contents can also be used.
  • liquefied petroleum gas dimethyl ether, hydrofluoroolefin or other liquefied gas, or compressed gas such as carbon dioxide gas, nitrogen gas, compressed air, nitrous oxide, oxygen gas, rare gas, or a mixed gas thereof is used. ..
  • Stem 4a Stem upper part 4b: Stem lower part 4c: Horizontal hole part 4d: Circular gasket 4e: Vertical hole part 4f: Outward annular tapered surface 4g: Upward annular step part 4h: Vertical inner coil spring
  • Cover head 5a Upper cover head 5b: Lower cover head 5c: Downward annular surface 5d: Inner tubular portion 5e: Outer tubular portion 5f: Vertical rib-shaped portion (see FIG. 3) 5g: Outer peripheral concave portion 5h: Upward annular surface 5j: Central vertical tubular portion 5k: Circular upper edge portion 5m: Head operation portion 5n: Approximately L-shaped passage portion
  • Circular moving wall 6a Vertical outer coil spring 6b: Inner skirt-shaped portion 6c: Outer skirt-shaped portion 6d: Ring concave portion 6e: Vertical rib-shaped portion 6f: Groove-shaped portion

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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/JP2020/021252 2019-08-13 2020-05-28 エアゾール容器の逆定量噴射機構およびこの逆定量噴射機構を備えたエアゾール式製品 WO2021029121A1 (ja)

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Application Number Priority Date Filing Date Title
CN202080043890.8A CN113993794A (zh) 2019-08-13 2020-05-28 气雾剂容器的反向定量喷射机构和具备该反向定量喷射机构的气雾剂式产品
KR1020217037224A KR102723512B1 (ko) 2019-08-13 2020-05-28 에어졸 용기의 역 정량 분사 기구 및 이 역 정량 분사 기구를 구비한 에어졸식 제품
JP2021539821A JPWO2021029121A1 (enrdf_load_stackoverflow) 2019-08-13 2020-05-28

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JP2019-148584 2019-08-13
JP2019148584 2019-08-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023145977A1 (ja) * 2022-01-28 2023-08-03 株式会社三谷バルブ 定量噴射機構および、この定量噴射機構を備えたエアゾール式製品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152746U (enrdf_load_stackoverflow) * 1988-04-07 1989-10-20
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