WO2017061538A1 - 吐出容器及び吐出容器の再利用方法 - Google Patents
吐出容器及び吐出容器の再利用方法 Download PDFInfo
- Publication number
- WO2017061538A1 WO2017061538A1 PCT/JP2016/079773 JP2016079773W WO2017061538A1 WO 2017061538 A1 WO2017061538 A1 WO 2017061538A1 JP 2016079773 W JP2016079773 W JP 2016079773W WO 2017061538 A1 WO2017061538 A1 WO 2017061538A1
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- WIPO (PCT)
- Prior art keywords
- container
- pressure
- discharge
- valve assembly
- holder
- Prior art date
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Classifications
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- 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 or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/60—Contents and propellant separated
- B65D83/66—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head
- B65D83/663—Contents and propellant separated first separated, but finally mixed, e.g. in a dispensing head at least a portion of the propellant being separated from the product and incrementally released by means of a pressure regulator
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- 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 or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/38—Details of the container body
-
- 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 or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/32—Dip-tubes
Definitions
- the present invention relates to a discharge container and a reuse method of the discharge container.
- Patent Document 1 a high-pressure container is attached to the bottom of a fluid dispensing container that discharges contents, and a pressure agent is discharged from the high-pressure container when the contents are discharged and the internal pressure of the fluid dispensing container decreases.
- a pressure control device for replenishing is disclosed.
- Patent Document 2 discloses a pressure adjusting device that is housed in a pressurized discharge container and adjusts the internal pressure of the pressurized discharge container.
- the discharge container of the present invention includes a container, a valve assembly that closes the container and has a valve mechanism, and a pressure adjustment mechanism that is attached to a lower portion of the valve assembly and increases to a predetermined pressure when the internal pressure of the container decreases.
- the pressure adjusting mechanism includes a cylinder part provided below the valve assembly, and a cylinder part inserted into the cylinder part so as to be slidable in the vertical direction, and the cylinder part is opened into a pressure adjusting chamber and an open chamber opened in the container.
- a gas container that is filled with a pressurizing agent and communicates with the inside of the container in conjunction with the vertical movement of the piston. The force that the piston receives due to the internal pressure of the container is from the pressure adjustment chamber.
- the piston moves so that the pressure adjustment chamber is larger than the predetermined capacity, the gas container is opened, and the pressurizing agent is supplied into the container,
- the pressure adjusting chamber is characterized by closing the gas container by moving the piston as equal to or less than a predetermined capacity.
- the discharge container according to the present invention is preferably such that the container and the valve assembly are detachable.
- the discharge container of the present invention is preferably one in which the cylinder part is attached to the lower part of the valve assembly.
- the discharge container of the present invention is preferably one in which the gas container is supported in the container. In particular, those supported coaxially with the opening of the container are preferred.
- the discharge container according to the present invention is preferably such that the gas container can move up and down in the cylinder portion.
- the cylinder portion includes a holding unit for holding the gas container.
- the container holder also serves as a cylinder part.
- the container holder includes a bottomed cylindrical cylinder portion, and a pressure adjusting chamber is formed between the bottom portion of the cylinder portion and the piston, and a gas container is accommodated in the upper portion thereof. Is preferred.
- the method for reusing a discharge container according to any one of the above aspects of the present invention, the step of separating the valve assembly and the pressure adjustment mechanism from the container, and the valve assembly and the pressure adjustment mechanism in a container filled with contents. And a step of operating the pressure adjusting mechanism and filling the container with a pressurizing agent.
- the pressure assembly is depressurized and then the valve assembly and the pressure adjustment mechanism are separated from the container.
- the pressure adjusting mechanism is operated by being pushed by a cap of a valve assembly.
- the discharge container of the present invention includes a container, a valve assembly that closes the container and has a valve mechanism, and a pressure adjustment mechanism that is attached to a lower portion of the valve assembly and increases to a predetermined pressure when the internal pressure of the container decreases.
- the pressure adjusting mechanism includes a cylinder part provided below the valve assembly, and a cylinder part inserted into the cylinder part so as to be slidable in the vertical direction, and the cylinder part is opened into a pressure adjusting chamber and an open chamber opened in the container.
- a gas container that is filled with a pressurizing agent and communicates with the interior of the container in conjunction with the vertical movement of the piston, and the force that the piston receives due to the internal pressure of the container is a pressure adjusting chamber.
- the piston moves so that the pressure adjustment chamber becomes larger than the predetermined capacity, the gas container is opened, the pressurizing agent is supplied into the container, and the front
- the piston moves and closes the gas container so that the pressure adjustment chamber is less than the specified capacity.
- the container is automatically filled with the pressurizing agent and is ready for injection. Further, since the pressure adjusting mechanism is attached to the lower part of the valve assembly, the assembly thereof is easy. In particular, the container may not be directly filled with the pressure agent.
- the pressure adjustment mechanism is constructed by the piston that compresses the pressure adjustment chamber, for example, the internal pressure when the pressure adjustment mechanism is operated can be easily controlled by the volume of the pressure adjustment chamber, the cross-sectional area of the piston, or the like.
- the internal pressure of the discharge container in the range of 0.1 to 0.3 MPa (gauge pressure)
- the load on the container 11 can be reduced. Therefore, the container 11 can be thinned to reduce the amount of raw material used, and a product with a low environmental load can be obtained. In that case, when recycling the container, the container can be crushed by hand, and the volume of the container can be reduced to increase the recovery efficiency.
- the user when the container and the valve assembly are detachable by screws or the like, the user can also assemble them. That is, when the stock solution is exhausted, the user can remove the valve assembly and the pressure adjusting mechanism and attach it to a new container filled with the stock solution so that it can be injected. Therefore, it is possible to reuse components such as a valve assembly, a pressure adjusting mechanism, and a discharge member.
- the pressure adjusting mechanism when the cylinder part is attached to the lower part of the valve assembly, the pressure adjusting mechanism can be easily inserted into the container, and further assembly is facilitated.
- the piston when the gas container is supported in the container, the piston can be supported through the container when the valve assembly to which the pressure adjusting mechanism is attached is attached.
- the pressure adjusting chamber having the internal pressure can be formed stably and reliably.
- the assembly process (operation) is greatly simplified by arranging the gas container coaxially with the opening of the container.
- the pressure adjusting mechanism includes a container holder accommodated in the container so as to be suspended from the opening of the container, and the container holder has a communication hole for communicating the inside of the container holder with the inside of the container.
- the gas container can be more reliably supported.
- the gas container when the gas container can move up and down in the cylinder portion, it can be attached or taken out without operating the gas container during the manufacturing process or during decomposition.
- the cylinder part when the cylinder part includes a holding means for holding the gas container, the cylinder part and the gas container can be integrated to assemble the discharge container, and the The gas container can be taken out by taking out the cylinder part.
- the container holder includes a bottomed cylindrical cylinder portion, and a pressure adjusting chamber is formed between the bottom portion of the cylinder portion and the piston, and a gas container is accommodated in the upper portion thereof. If it is, the gas container and the contents are less likely to come into contact with each other, and the contents and the gas container are less affected and stabilized. Furthermore, when the container holder is removed from the valve assembly, the gas container is pushed up by the pressure in the pressure adjusting chamber, and replacement is facilitated.
- the method for reusing a discharge container includes a step of separating the valve assembly and the pressure adjustment mechanism from the container, and a step of attaching the valve assembly and the pressure adjustment mechanism to a container filled with contents. And a step of operating the pressure adjusting mechanism and filling the container with a pressurizing agent, so that most of the discharge container can be reused.
- the gas container can be taken out without being injected in its entirety. The gas container can be reused.
- valve assembly and the pressure adjustment mechanism are attached to a container filled with the contents after the gas container is replaced, the contents can be stabilized after the reuse. Can be discharged.
- the pressure adjusting mechanism is operated by pressing with a cap of a valve assembly, a user can easily fill the pressurizing agent.
- FIG. 2a to 2c are cross-sectional views showing the valve assembly, valve holder, and cap of the discharge container of FIG. 1, respectively.
- 3a and 3b are sectional views showing a pre-operation state and an operation state of the pressure adjustment mechanism of the discharge container of FIG. 1, respectively.
- 4a and 4b are schematic views showing the assembly process of the discharge container of FIG. 5a and 5b are schematic views showing the usage state of the discharge container of FIG. 1, respectively.
- a discharge container 10 in FIG. 1 is a bottle (container) 11, a valve assembly 12 having a valve mechanism that closes an opening of the bottle 11, and a pressure adjustment mechanism that is accommodated in the bottle 11 and adjusts the internal pressure of the bottle 11. 13.
- the pressure adjustment mechanism 13 is attached to the lower part of the valve assembly 12.
- the bottle 11 of the discharge container 10 is filled with the contents C and the pressurizing agent P to form a discharge product.
- the bottle 11 is a bottomed cylindrical synthetic resin bottle having a cylindrical body, a tapered shoulder, and a cylindrical neck.
- a screw 11 a that is screwed with the cap 23 of the valve assembly 12 is formed on the outer periphery of the neck portion.
- the present invention is not limited to the screw, and it is only necessary that an engaging means for engaging with the cap 23 is provided.
- a cylindrical seal holding portion 11b is formed which includes an outer cylindrical portion 11b1 and an annular projection 11b2 at the lower end thereof.
- An annular sealing material 16 having a circular cross section is held by the seal holding portion 11b. The sealing material 16 seals between the bottle 11 and the cap 23 of the valve assembly 12.
- the outer cylindrical portion 11b1 is a portion that is in close contact with the inner surface of the sealing material 16, and the annular step portion 11b2 is a portion that prevents the sealing material 16 from coming out of the outer cylindrical portion 11b1.
- an annular step portion 11c for holding the bottle 11 when the discharge container 10 is assembled and for hanging the bottle 11 when filling the contents C is formed below the seal holding portion 11b.
- the outer shape of the annular step portion 11c is not only circular, but may be provided with a flat surface in part to prevent the discharge container 10 from rotating, or may be rectangular or polygonal.
- PET polyethylene terephthalate
- PE polyethylene
- PP polypropylene
- PA polyamide
- PET is preferable from the viewpoint of easy blow molding and excellent heat resistance
- PA from the viewpoint of alkali resistance
- the bottle 11 is preferably a bottle that can be crushed by a general user by hand in a state where nothing is filled after use (a state where the gauge pressure is 0).
- the thickness of the thinnest portion of the bottle 11 is 0.1 to 0.5 mm, preferably 0.15 to 0.4 mm.
- a vapor deposition film can be provided on the inner surface of the bottle 11.
- the vapor deposition film is a film formed by coating the surface (inner surface) of carbon, aluminum oxide, silica, etc. in a gaseous state under reduced pressure, and prevents the permeation of pressure agents such as nitrogen and carbon dioxide.
- a carbon film (DLC film) is preferable because it is highly effective and can stably store the contents.
- the bottle 11 may be transparent or semi-transparent so that the inside can be visually recognized.
- the valve assembly 12 covers a valve holder 21 that closes the bottle 11, a valve mechanism 22 that is accommodated in the valve holder 21 and that communicates / blocks the bottle 11 and outside air, and covers the valve holder 21. And a cap 23 that is fixed to the bottle 11.
- the valve holder 21 includes a cylindrical housing 26 and a flange portion 27 extending outward from the side surface of the housing.
- the housing 26 is a cylindrical body having an open upper end, and a communication hole 26a that connects the inside of the housing and the inside of the bottle is formed at the lower end.
- a connecting cylinder 26b protruding downward is provided at the lower end of the housing 26 so as to be connected to a pressure adjusting mechanism described later.
- a rubber support portion 26 c that supports the stem rubber 32 of the valve mechanism 22 is formed at the upper end of the housing 26.
- An annular recess 26d is formed on the upper outer peripheral surface of the housing 26.
- the flange portion 27 is disposed above the bottle 11 (see FIG. 1).
- An annular gasket 17 is provided between the flange portion 27 and the upper end of the bottle 11.
- a cylindrical seal holding wall 27 a that is inserted into the bottle 11 and supports the gasket 17 is formed coaxially with the housing 26 on the lower surface of the flange portion 27.
- the valve mechanism 22 is an aerosol type valve comprising a cylindrical stem 31, a stem rubber 32 that closes the stem hole 31a of the stem 31, and a spring 33 that constantly biases the stem 31 upward. It is. By lowering the stem 31, the inside of the housing 26 communicates with the outside air.
- the cap 23 fixes the valve mechanism 22 to the housing 26 of the valve holder 21 and detachably fixes the valve holder 21 to the bottle 11 so as to cover the valve holder 21.
- a disc-shaped cover portion 36 that closes the opening portion of the housing 31 of the valve holder 21, an upper cylinder portion 37 that extends downward from the edge portion thereof and is disposed on the outer periphery of the housing 31, and a radial direction from the lower end thereof It has an annular ring portion 38 extending outward, and a lower tube portion 39 extending downward from the outer end thereof.
- the cover part 36 prevents the stem rubber 32 from protruding upward.
- a central hole 36 a through which the stem 31 passes is formed in the center of the cover portion 36.
- the upper cylinder portion 37 is a portion that holds the housing 26 of the valve holder 21.
- An engagement protrusion 37 a that engages with the annular recess 26 d of the housing 31 is formed on the inner surface of the upper cylinder portion 37.
- the ring portion 38 is a portion that covers the upper surface of the flange portion 27 of the valve holder 21 so that the valve holder 21 does not come off the bottle 11 (see FIG. 2a).
- the lower cylinder portion 39 is a portion that engages with the bottle 11.
- a screw 39 a that engages with the screw 11 a of the bottle 11 is formed on the inner surface of the lower cylinder portion 39.
- An inner cylindrical portion 39b having a diameter slightly larger than that of the annular step portion 11b2 is formed on the lower inner surface below the screw 39a of the lower cylindrical portion 39 and at the position of the seal holding portion 11b of the bottle 11.
- the inner cylindrical portion 39b is a portion that compresses the sealing material 16 in the radial direction between the outer cylindrical portion 11b1 of the bottle 11 (see FIG. 1).
- a screw is used as a fixing means between the bottle and the valve assembly, but the structure is not particularly limited as long as it can be detachably fixed. Moreover, it does not need to be detachable.
- the pressure adjustment mechanism 13 is inserted into a cylinder member 40 that engages with the connecting cylinder 26 b of the housing 26, a piston 41 that is accommodated in the cylinder member 40, and a lower end of the cylinder member 40. And an aerosol container (gas container) 42 filled with a pressurizing agent.
- the cylinder member 40 includes a cylinder portion 46 having an open lower end, a connecting portion 47 provided at the upper end, and a stock solution introducing member 48 attached to the connecting portion 47.
- the cylinder portion 46 is provided below the valve assembly 12 via the connecting portion 47.
- the piston 41 is inserted into the cylinder portion 46 so as to be slidable up and down.
- a slit 46a is formed which extends upward from the lower end.
- a holding claw 46 b protruding inward in the radial direction is formed at the lower end of the cylinder portion 46.
- the holding claw 46b holds the piston 41 so as not to drop when the piston 41 is accommodated in the cylinder portion 46, and holds a gas container 42 described later so as not to move in the left-right direction. That is, the holding claw 46b acts as a holding means for the cylinder portion.
- the connecting portion 47 includes a first connecting hole 47a for introducing the connecting cylinder 26b of the housing 26, a second connecting hole 47b for connecting to a stock solution introducing member 48 to be described later, and a communicating hole 26a (first connecting hole 47a) for the housing 26.
- the stock solution introduction member 48 includes an adapter 48a attached to the second connection hole 47b of the connection portion 47 and a tube 48b attached to the adapter 48a, and communicates the communication passage 47c with the vicinity of the lower end (stock solution phase) of the bottle 11. To do. However, the lower end of the tube 48b may be immersed in the stock solution phase. In addition, when using it upside down, the stock solution introduction member 48 is unnecessary.
- the piston 41 moves up and down while being in close contact with the inner surface of the cylinder portion 46. That is, the piston 41 divides the inside of the cylinder portion 46 into a sealed upper space S1 (pressure adjusting chamber), a bottle and an opened lower space S2 (open chamber). Therefore, the piston 41 moves up and down in the cylinder portion 46 to compress and expand the upper space (pressure adjustment chamber). In addition, by compressing the inside of the pressure adjusting chamber S1, the internal air is compressed, and the piston 41 receives a reaction force.
- an elastic body such as a spring may be inserted into the upper space S1. In that case, the upper space S1 may not be sealed. Further, a pressure position conversion device such as a diaphragm may be used instead of the piston.
- the aerosol container 42 is configured to be movable up and down in the cylinder portion 46 of the cylinder member 40, and includes a cylinder engaging portion that engages with the holding claw 46 b so that the aerosol container 42 does not come out of the cylinder portion 46. .
- it comprises a pressure vessel 42a, an aerosol valve 42b for closing the opening, and a push button 42c attached to the stem 42b1 of the aerosol valve 42b.
- the pressure vessel 42a has a trunk portion, a tapered shoulder portion, and a neck portion 42a1 having a diameter smaller than that of the trunk portion, and an aerosol valve 42b is attached to an opening portion provided at an upper portion of the neck portion and having a diameter larger than that of the neck portion.
- the holding claws 46b are disposed between the neck portions.
- the shoulder portion and the neck portion may be omitted by narrowing the trunk portion.
- the aerosol container 42 is fixed to the cylinder portion 46 by engaging a holding claw 46b of the cylinder portion 46 with a lower end (cylinder engaging portion) 42d of the aerosol valve 42b.
- the aerosol valve 42b has a diameter larger than that of the neck 42a1.
- the holding claw 46b can come and go between the lower part of the aerosol valve
- the aerosol container 42 may be supported by the inner surface of the cylinder portion 46 without providing the holding claws 46b.
- Examples of the pressure agent P filled in the pressure vessel 42a include compressed gases such as nitrogen, carbon dioxide, and compressed air.
- the internal pressure of the aerosol container 42 is preferably 0.5 to 7 MPa (gauge pressure), particularly 0.6 to 1 MPa (gauge pressure).
- the inner volume is preferably 5 to 50 ml, more preferably 10 to 30 ml.
- the piston 41 is disposed on the push button 42c. When the piston 41 pushes the push button 42c and lowers the stem 42b1, the aerosol valve 42b is opened, and the pressurizing agent P in the pressure vessel 42a is pushed. It is ejected from the discharge port 42c1 of the button 42c.
- the aerosol container 42 is configured to be placed coaxially with the opening of the bottle at the center of the bottom of the bottle 11 (see FIG. 1). At that time, the holding claw 46b of the cylinder portion 46 is located at the neck portion 42a1 of the pressure vessel 42a.
- the pressurizing adjustment chamber S1 can be formed while being supported. Therefore, the discharge container 10 can be assembled only by fixing the valve assembly 12 to the bottle 11 as will be described later, and can be easily performed by the user.
- the pressure adjustment mechanism 13 configured as described above operates according to the difference between the pressure in the upper space (pressure adjustment chamber) S ⁇ b> 1 and the internal pressure of the bottle 11. Specifically, as shown in FIG. 3b, when the pressure in the upper space S1 becomes larger than the pressure in the bottle 11 (lower space S2), the piston 41 moves so that the upper space S1 expands. Descend. At this time, the internal pressure of the upper space S1 decreases. Therefore, the push button 42 c of the aerosol container 42 is pushed, and the pressurizing agent P is supplied from the aerosol container 42 into the bottle 11.
- the piston 41 When the pressure agent P is sufficiently supplied into the bottle 11 and the pressure in the upper space S1 and the pressure in the bottle 11 become substantially the same, the piston 41 is moved into the upper space by the spring force (return force) of the aerosol valve 42b. It moves to the original position so that S1 contracts, that is, the piston 41 rises. Therefore, the push button 42c of the aerosol container 42 is restored, and the aerosol valve 42b is also shut off.
- the pressure at which the pressure adjusting mechanism operates can be adjusted by the pressure and volume in the pressure adjusting chamber S1, the cross-sectional area of the piston, the spring in the aerosol valve, the aforementioned spring, and the like.
- the gauge pressure of the discharge container 10 is 0.1 to 0.3 MPa, particularly 0.12 to 0.25 MPa. That is, it is preferable that the pressure adjusting mechanism is activated when the internal pressure of the bottle 11 after discharging the stock solution becomes a lower pressure.
- a method for assembling the discharge container 10 will be described.
- a cap 23 is fixed to a valve holder 21 that houses a valve mechanism 22 to form a valve assembly 12.
- a cylinder member 40 containing a piston 41 is attached to a gas container filled with a pressurizing agent, and the pressure adjusting mechanism 13 is formed.
- the cylinder member 40 is connected to the connecting cylinder 26b of the valve holder 21 to prepare a lid member in which the valve assembly 12 and the pressure adjusting mechanism 13 are integrated (see FIG. 4a).
- the upper end of the slit 46a of the cylinder part 46 is above the piston 41, the upper space S1 is not sealed.
- the discharge container 10 can be filled with the pressurizing agent P only by assembling, and does not require any special pressurizing agent filling facility. Moreover, after the discharge container 10 is assembled, the internal pressure of the bottle 11 can be controlled to be constant as will be described later. The pressure can be lower than that of a conventional discharge product (aerosol product), and the bottle can be made thinner.
- the discharge container 10 can be assembled by the user himself by using a lid material in which the valve assembly 12 and the pressure adjusting mechanism 13 are integrated. Therefore, the bottle 11 filled with the contents C is sealed with a lid cover or the like. It may be combined with products for use. Thereby, the valve assembly 13 and the like can be reused. Further, it is possible to replace only the aerosol container 42.
- the stem 31 is pushed down by a push button (not shown) or the like, and the valve mechanism 22 is opened.
- the content C can be discharged by the pressure of the pressurizing agent P in the bottle 11.
- the pressure adjustment mechanism 13 automatically operates as shown in FIG. Is supplied into the bottle 11, and when the pressure in the bottle 11 is balanced with the pressure adjusting chamber S1, the supply of the pressurizing agent P automatically stops.
- the supply step and the supply stop step of the pressurizing agent P are automatically performed, so that the content C can be discharged at the same momentum to the end.
- the cap 23 can be turned to separate the bottle 11 and the lid material (the valve assembly 12 and the pressure adjusting mechanism 13). At this time, the valve assembly 12 and the cylinder member 40 are raised first leaving the piston 41 and the aerosol container 42.
- the piston 41 and the aerosol container 42 are also raised together with the valve assembly 12 and the like. That is, as shown in FIG.
- the aerosol container 42 is attached to the cylinder portion 46, that is, the holding claw 46 b is engaged with the lower portion 42 d of the aerosol valve, and the piston 41 is below the upper end of the slit 46 a of the cylinder portion 46. is there.
- the upper space S1 can be opened to the bottle 11 (outside air) through the slit 46a. Therefore, the pressure agent in the aerosol container 42 can be decomposed without spraying the entire amount.
- the aerosol container 42 held by the holding claw 46 b can be taken out from the bottle 11. In this case, since the aerosol container 42 can be taken out without being ejected in its entirety, the aerosol container 42 can be reused.
- the aerosol container 42 can be reused.
- the aerosol container 42 is inserted into the bottle 11, and a lid member (excluding the aerosol container 42) is attached to the bottle 11 and assembled.
- the discharge container 10a in FIG. 6 is formed by integrally forming the housing 26 and the cylinder member 40 of the valve assembly 12. Specifically, a valve holder 45 including a housing 26, a flange portion 27, a cylinder portion 46, and an introduction member connecting portion 49 is provided.
- the introduction member connection portion 49 is a connection hole that receives the stock solution introduction member 48.
- the housing 26, the flange part 27, and the cylinder part 46 are substantially the same as the discharge container 10 of FIG. Other configurations are substantially the same as those of the discharge container 10 of FIG.
- the discharge container 50 of FIG. 7 is provided with a container holder 55 that is suspended from an opening of a bottle, and the aerosol container 42 is supported by the container holder 55.
- the container holder 55 includes a bottle 11, a valve assembly 12 that closes the bottle 11, and a pressure adjustment mechanism 51 that is accommodated in the bottle 11 and adjusts the internal pressure of the bottle 11.
- the pressure adjustment mechanism 51 is attached to the lower end of the valve assembly 12.
- the bottle 11 and the valve assembly 12 are substantially the same as the discharge container 10 of FIG.
- the pressure adjusting mechanism 51 includes a cylinder member 40, a piston 41 accommodated in the cylinder member 40, an aerosol container (gas container) 42 filled with a pressurizing agent inserted into the lower end of the cylinder portion 46, and a bottle.
- the cylinder member 40 and the piston 41 are substantially the same as the discharge container of FIG.
- the aerosol container 42 is substantially the same except that it is shorter than the aerosol container 42 of the discharge container 10 of FIG.
- the container holder 55 stabilizes the position of the aerosol container 42 when attaching the valve assembly 13 to the bottle 11 to facilitate engagement with the cylinder portion 46, and holds the aerosol container 42 after the valve assembly 13 is attached.
- the piston 41 and the push button are easily operated.
- it includes a cylindrical holder main body 55a, a flange portion 55b formed at the upper end thereof, and a bottom portion 55c that closes the lower end thereof.
- a slit 55d that communicates between the holder body 55a and the bottle 11 is formed in the lower portion of the holder body 55a.
- Positioning ribs 55e for positioning the aerosol container 42 are radially formed on the lower inner surface of the holder body 55a.
- an insertion hole 55f through which the stock solution introduction member 48 passes is formed in the upper part of the holder body 55a.
- the container holder 55 is held with the flange portion 55 b sandwiched between the upper end of the bottle 11 and the flange portion 27 of the valve holder 21 of the valve assembly 13.
- the lower surface of the flange portion 55b is a portion that compresses the annular plate sealing material 18 downward.
- the pressure adjustment mechanism 51 is also operated by the pressure difference between the upper space (pressure adjustment chamber) S1 and the pressure of the bottle 11 as in the pressure adjustment mechanism 13 of the discharge container of FIG. Since the aerosol container 42 is placed on the container holder 55, the aerosol container 42 can be reliably supported, and there is no possibility of shifting during and after manufacture.
- a method for assembling the discharge container 50 will be described below.
- the container holder 55 containing the aerosol container 42 is accommodated in the bottle 11 filled with the contents C.
- a cap 23 is fixed to the valve holder 21 that houses the valve mechanism 22 to assemble the valve assembly 12, and a lid member is prepared in which a cylinder member 40 in which a piston 41 is inserted into a connecting cylinder 26b of the valve holder is attached.
- the lid material to the bottle 11
- the aerosol container is held in the cylinder portion, the pressure adjusting mechanism 51 is operated, the pressure agent is injected from the aerosol container, and the inside of the bottle is pressurized to a predetermined pressure,
- the discharge container 50 can be assembled.
- the push button 42c of the aerosol container 42 and the piston 41 come into contact immediately before the bottle is attached to the lid member, it is not necessary to make the aerosol container 42 movable up and down within the cylinder portion 46.
- the aerosol container 42 is supported by the container holder 55, the engagement with the holding claw 46b and the formation of the compression adjusting chamber S1 can be stabilized.
- the holding claws 46b may not be provided.
- the container 61 and the cap 62 are made of metal, specifically, aluminum, and the gasket 17 is damaged when the cap 62 is screwed by providing the winding portion 61 a at the opening. Prevents sticking.
- the metal container 61 it is possible to stably store the contents by blocking oxygen transmission and light.
- the valve holder 63 includes a flange portion 66 that sandwiches the gasket 17 between a housing portion 64 that houses the valve mechanism, a cylinder portion 65 that forms the pressure adjusting mechanism 13, and an upper end of the tightening portion 61 a of the container 61. And an introduction member connecting portion (tube insertion portion) 67 for connecting the tube 48b.
- a through hole 66a that penetrates the valve holder 63 in the vertical direction is provided, and the tube 48b inserted into the tube insertion portion 67 communicates with the through hole 66a.
- a cylindrical space 68 provided between the inner peripheral surface of the upper cylindrical portion 62a of the cap 62 and the outer peripheral surface of the housing portion 64 is located above the through hole 66a.
- a lateral hole 64 a communicating with the inside of the housing part 64 is formed on the side wall of the housing part 64.
- the content C filled in the container 61 enters the inside of the housing part 64 through the tube 48b, the through hole 66a, the cylindrical space 68, and the lateral hole 64a, and passes from the stem hole 31a to the outside (discharge member). It will be discharged.
- the pressure adjustment mechanism 13 is the same as the previous discharge containers 10 and 10a, the pressure in the container can be adjusted to a range of 0.1 to 0.3 MPa (gauge pressure). Therefore, the thickness of the container 61 can be suppressed to, for example, 0.05 to 0.3 mm, preferably 0.1 to 0.25 mm (about 1/3 to 2/3 of the normal thickness), and the valve assembly is removed. Later, it can be easily crushed by hand.
- a concave groove 71a is formed on the outer peripheral surface side of the annular wall 71 of the valve holder 63 at a position spaced downward from the flange portion 66, and an O-ring having a circular cross section is formed in the concave groove 71a.
- 72 is held.
- a seal point is formed between the inner peripheral surface of the neck of the container 61 and the annular wall 71 of the valve holder 63.
- the O-ring 72 is horizontally placed between the inner peripheral surface of the neck (cylindrical portion) 61 b of the container 61 that is straight and flat in the vertical direction and the bottom of the concave groove 71 a of the valve holder 63.
- the O-ring 72 is provided before the gas container 42 is pressed against the bottom of the container 61 or before the push button 42c of the gas container 42 is pushed by the piston 41 (before the pressure adjusting mechanism 13 is activated). Lies in contact with the inner peripheral surface of the cylindrical portion 61b to form a seal, so that the leakage of the pressurizing agent P can be suppressed.
- the seal is released before the screw 61c is unscrewed if the cap 62 is turned and loosened.
- the pressurizing agent P remaining in the container 61 can be discharged, and the valve assembly 12 can be prevented from coming off.
- valve holder 81 shown in FIGS. 8 and 9 separated by a housing 82 and another portion (container holder) 83.
- the container holder 83 has a cross section at a position away from the flange portion 66 on the outer peripheral surface side of the annular wall 71, a cylinder portion 84 forming the pressure adjusting mechanism 51, a flange portion 66 positioned at the upper end of the neck portion of the container 85.
- a concave groove 71a that holds the circular O-ring 72 and a tube insertion portion 67 that connects the tube 48b are provided.
- the cylinder portion 84 has a bottomed cylindrical shape with a closed lower end. Therefore, the gas container 42 can be supported by being suspended from the opening of the container 85. In this state, it can be said that the cylinder portion 84 also serves as a container holder.
- Such a discharge container 80 is assembled as follows. First, the gas container 42 is accommodated in the container holder 83. Next, the piston 41 is placed in the container holder 83, and an open chamber S ⁇ b> 2 is formed between the piston 41 and the bottom of the cylinder portion 84. The open chamber S2 communicates with the inside of the container 85 through a communication hole 84a provided in the side wall of the cylinder portion 84. Thereafter, the annular wall 71 of the container holder 83 is inserted into the opening of the container 85 and sealed with the O-ring 72. Subsequently, the lower portion of the housing 82 is attached to the upper end opening of the cylinder portion 84 of the container holder 83. Then, the cap 88 is screwed into the container 85.
- the housing 82 is pushed downward, a seal is formed between the outer peripheral surface of the housing 82 and the inner peripheral surface of the cylinder portion 84, and the pressure adjustment chamber is formed between the lower surface of the housing 82 and the upper surface of the piston 41. S1 is formed. Thereby, the pressurizing agent in the gas container is supplied into the container from the open chamber S2, and the assembly is completed.
- the gas container 42 can be accessed simply by removing the cap 88 and removing the housing 82 from the container holder 83 after use.
- the gas container 42 can be easily removed. If the cap 88 is loosened, the pressure in the container 85 decreases, but at the same time, the pressure adjustment chamber S1 is opened, so even if the pressure agent P remains in the gas container 42, the pressure agent P Additional injection can be suppressed, and the gas container 42 can be removed while the pressurizing agent P remains. Since the gas container 42 is covered with the cylinder portion 84 and is not exposed to the contents C, the hands are not soiled during removal.
- a corrosion-proof coating on the surface of the gas container 42.
- a communication hole 84a that communicates only with the inside of the container 62 is made of a material that has air permeability but is poor in liquid permeability (nonwoven fabric, open cell sponge, etc. ) Or a check valve may be attached.
- a check valve may be attached.
- the discharge container 90 of FIG. 11 is accommodated in the cylinder portion 84 with the gas container 42 in an inverted state, the piston 41 is located below the gas container 42, and the pressure adjustment chamber S 1 is provided on the bottom side of the cylinder portion 84. It has been. In such a configuration, if the cap is loosened when replacing the gas container 42, the gas container 42 is lifted and easily removed by the pressure in the pressure adjustment chamber S1, and the piston 41 does not need to be removed. Becomes easier.
- the discharge container 90 uses a synthetic resin bottle 91 and a cap 23.
- a sealing material 92 is provided between the lower surface of the ring portion 38 of the cap 23 and the upper surface of the flange portion 66 of the container holder 83 to suppress leakage of the contents C from the cylindrical space 68.
- a metal container and a cap may be used.
- the gas container 42 may be accommodated in the cylinder portion 84 in an upright state.
- it is the same as that of the discharge container 80 of FIG.
- the housing 84 includes a flange portion 101 extending outward. In such a discharge container 100, excessive pressing of the housing 84 into the cylinder portion 84 is restricted by the flange portion 101, and the accuracy of pressure adjustment is improved.
- the flange part 101 is located in the upper part of the through-hole 66a connected with the tube 48b, the groove parts 101a and 101b are formed in the upper and lower surfaces of the flange part 101, respectively.
- the contents C are a tube 48b, a through hole 66a, a lateral passage formed by the upper surface of the flange portion 66 of the container holder 83 and the groove portion 101a on the lower surface side of the flange portion 101 of the housing 84, and the upper surface side of the flange portion 101.
- the concave groove 102 is provided on the side surface of the container holder 83, and the O-ring 103 is provided thereon, so that the gap between the inner surface of the lower cylindrical portion 37 of the cap 23 and the bottom surface of the concave groove 102 of the container holder 83 is provided. A seal is formed.
- the discharge container of FIG. 1 the concave groove 102 is provided on the side surface of the container holder 83, and the O-ring 103 is provided thereon, so that the gap between the inner surface of the lower cylindrical portion 37 of the cap 23 and the bottom surface of the concave groove 102 of the container holder 83 is provided.
- a seal is formed.
- it is the same as that of the discharge container of FIG.
- the discharge container 110 in FIG. 13 is a double container, and includes an outer container 111 and an inner container 112 accommodated in the outer container 111.
- the contents C are filled between the outer container 111 and the inner container 112, and the pressurizing agent P is filled in the inner container 112.
- the outer container 111 has a pressure resistance capable of withstanding a pressure of 0.1 to 0.3 MPa, like the above-described discharge container.
- synthetic resins such as PET, PE, and PP
- metals may be used as the material.
- the inner container 112 has flexibility to change its shape so as to expand by the pressure of the pressurizing agent P.
- a thermoplastic resin such as PET, PE, or PP.
- the inner diameter of the neck of the outer container 111 and the outer diameter of the neck of the inner container 112 are substantially equal, and both are in close contact.
- a vertical groove 112a is provided on the outer peripheral surface side of the neck of the inner container 112 in order to secure a passage that communicates the space (content storage chamber) between the outer container 111 and the inner container 112 and the outside.
- a vertical passage is formed between the outer container 111 and the inner container 112.
- a flange portion 112 b for preventing excessive entry into the outer container 111 is provided at the upper end of the neck portion of the inner container 112.
- the vertical groove 112a extends to the lower surface of the flange portion 112b.
- a container holder 113 is attached to the opening of the inner container 112.
- the container holder 113 has a bottomed cylindrical shape and is divided into a housing part 113a for housing the gas container 42 and a cylinder part 113b for housing a piston.
- the cylinder part 113b has a smaller diameter than the container part 113a and the container main body 42a of the gas container 42.
- the container main body 42a abuts on a step 113c provided between the cylinder part 113b and the container part 113a, and moves downward. Is regulated. Therefore, the pushing amount of the gas container 42 is always stable, and the accuracy of pressure adjustment can be improved.
- a concave groove 115a is formed on the outer peripheral surface of the lower cylinder 115 of the valve holder 114, and an O-ring 116 is provided in the concave groove 115a, at the stage of pushing the gas container 42 downward by the valve holder 114,
- the space between the outer peripheral surface of the lower cylinder 115 of the valve holder 114 and the inner peripheral surface of the container holder 113 can be sealed, and leakage of the pressurizing agent P can be suppressed.
- the seal between the inner container 112 and the container holder 113 is formed by a gasket 117 provided between the upper surface of the flange portion 112b of the inner container 112 and the lower surface of the flange portion 113d of the container holder 113.
- the content C is discharged to the outside so as to be repelled by the expanding inner container 112.
- the contents C include a longitudinal passage between the inner surface of the neck portion of the outer container 111 and the outer surface of the neck portion of the inner container 112, the lower surface of the flange portion 112 b of the inner container 112, and the upper surface of the neck portion of the outer container 111. Between the inner peripheral surface of the lower cylindrical portion 39 and the outer surface of the flange portion 112b of the inner container 112, between the inner peripheral surface of the lower cylindrical portion 39 of the cap 23 and the outer surface of the gasket 117, and the lower cylindrical portion of the cap 23.
- the housing portion 64 via the lateral hole 64a, the cylindrical space 68 formed between the inner peripheral surface of the upper cylindrical portion 37 of the cap 23 and the outer peripheral surface of the housing portion 64 of the valve holder 114, and the horizontal hole 64a. It enters the inside is discharged from the stem hole 31a to the outside (discharge member).
- the pressure in the inner container 112 is kept constant. Can do. Therefore, the momentum does not decline during the discharge, and the contents can be discharged stably until the end.
- valve assembly 12 can be easily removed by turning the caps 23, 62, 88. Therefore, when either one (or both) of the pressurizing agent P and the contents C has been discharged, the valve assembly 12 and the pressure adjusting mechanisms 13 and 51 are removed, the gas container 42 is replaced, or the contents are stored in the container. It can be filled and reused.
- FIG. 14 shows a process of reusing the discharge container 100 shown in FIG.
- the valve assembly 12 it is necessary to first remove the valve assembly 12 from the container 91.
- the entire valve assembly is lifted by the pressure and a gap is formed between the container and the container. Is naturally formed, and the pressurizing agent P remaining in the container is discharged to the outside through the gap (S1: pressurizing agent discharging step in FIG. 14).
- S1 pressurizing agent discharging step in FIG. 14
- the gas container 42 is replaced (S3 in FIG. 14: gas container replacement step). At this time, if the gas container 42 is positioned above the piston 41 as in the discharge container of FIGS. 11 and 12, the gas container 42 can be easily replaced because it is lifted by the pressure in the pressure adjusting chamber S1. When the pressurizing agent remains sufficiently in the gas container 42, the step S3 can be omitted.
- S4 is a step of preparing a container filled with the contents.
- the user For filling the container 91 with the contents C, the user separately purchases a refill container in which the contents are filled in a pouch or the like, and fills the empty container.
- the manufacturer may collect the empty container and fill the contents (with a lid in the figure).
- the container can be crushed to reduce the volume, so that it is not bulky for storage at home and the collection efficiency is good.
- the piston 41 When the valve assembly 12 is attached to the container, the piston 41 is pushed into the cylinder portion 84, and the pressure in the pressure adjusting chamber S1 increases. Then, the pressure agent P is supplied from the gas container 42 into the container 91, and the contents C can be discharged (S5 in FIG. 14: pressure agent filling step). At this time, if an O-ring is arranged on the outer peripheral surface of the valve holder (or container holder) as in the discharge container shown in FIGS. 9 to 13, the container is moved before the gas container 42 is pushed by the cap 23. Since it will be blocked, the pressurizing agent P does not leak to the outside. In addition, the said reuse method is applicable not only to the discharge container of FIG. 12 but other discharge containers similarly.
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Abstract
Description
特許文献2には、加圧吐出容器の内部に収容され、加圧吐出容器の内圧を調整するための圧力調整装置が開示されている。
特許文献2の圧力調整装置は、加圧容器内にリブを設け、そのリブに加圧剤を充填した高圧のカートリッジを固定し、その後、加圧容器内にバルブを固着しているため、やはり組み立てが煩雑である。
本発明は、製造が容易であり、使用開始から終了直前まで内容物の吐出量を一定にして吐出できる吐出容器を提供することを目的としている。また、吐出容器の再利用方法の提供を目的としている。
本発明の吐出容器であって、前記バルブアッセンブリの下部に前記シリンダ部が取り付けられるものが好ましい。
本発明の吐出容器であって、前記ガス容器が容器内で支持されているものが好ましい。特に容器の開口部と同軸に支持されているものが好ましい。このようにガス容器が支持されている吐出容器であって、前記ガス容器が容器の底部に支持されているもの、あるいは、前記圧力調整機構が、前記容器の開口部から吊り下げられるようにして容器内に収容された容器ホルダーを備えており、前記容器ホルダーに、容器ホルダーの内部と容器内とを連通する連通孔が形成されており、前記ガス容器が容器ホルダーに支持されているものが好ましい。
本発明の吐出容器であって、前記シリンダ部内で前記ガス容器が上下動可能となっているものが好ましい。
本発明の吐出容器であって、前記シリンダ部が前記ガス容器を保持する保持手段を備えているものが好ましい。
本発明の吐出容器であって、前記容器ホルダーがシリンダ部を兼ねていることが好ましい。
本発明の吐出容器であって、前記容器ホルダーが有底筒状のシリンダ部を備えており、シリンダ部の底部とピストンの間で圧力調整室を構成し、その上部にガス容器が収容されているものが好ましい。
本発明の吐出容器の再利用方法であって、前記圧力調整室内を減圧してから、前記バルブアッセンブリ及び圧力調整機構を容器から分離することが好ましい。
本発明の吐出容器の再利用方法であって、ガス容器を交換してから、内容物が充填された容器に前記バルブアッセンブリ及び圧力調整機構を取り付けることが好ましい。
本発明の吐出容器の再利用方法であって、前記圧力調整機構を、バルブアッセンブリのキャップによる押し込みによって作動させることが好ましい。
本発明の吐出容器であって、前記バルブアッセンブリの下部にシリンダ部が取り付けられている場合、前記圧力調整機構を容器内に挿入しやすく、一層組み立てが容易である。
本発明の吐出容器であって、前記ガス容器が容器内に支持されている場合、圧力調整機構が取り付けられたバルブアッセンブリを取り付けるとき、容器を介してピストンを支持することができるため、所定の内圧とした圧力調整室を安定して確実に形成することができる。また製造後、ガス容器が容器内で動くおそれも少ない。特に、ガス容器を容器の開口部とを同軸上に配置することにより、組み立て工程(作業)が非常に簡単になる。
前記ガス容器を容器の底部に支持させた場合、簡易な構造とすることができ、生産性が高く、安価に製造できる。
前記圧力調整機構が、前記容器の開口部から吊り下げられるようにして容器内に収容された容器ホルダーを備えており、前記容器ホルダーに、容器ホルダーの内部と容器内とを連通する連通孔が形成されており、前記ガス容器が容器ホルダーに支持されている場合、ガス容器をより一層確実に支持させることができる。
本発明の吐出容器であって、前記シリンダ部内で前記ガス容器が上下動可能となっている場合、製造工程時、あるいは、分解時に、ガス容器を作動させることなく取り付け、あるいは、取り出しができる。
本発明の吐出容器であって、前記シリンダ部が前記ガス容器を保持する保持手段を備えている場合、前記シリンダ部とガス容器とを一体化させて吐出容器を組み立てることができ、かつ、前記シリンダ部を取り出すことによりガス容器を取り出すことができる。そのため、製造および分解が容易である。
本発明の吐出容器であって、前記容器ホルダーがシリンダ部を兼ねていれば、製造および分解が一層簡単になる。
本発明の吐出容器であって、前記容器ホルダーが有底筒状のシリンダ部を備えており、シリンダ部の底部とピストンの間で圧力調整室を構成し、その上部にガス容器が収容されている場合、ガス容器と内容物とが接触しにくくなり、内容物およびガス容器が相互に影響を受けにくく安定する。さらに、容器ホルダーをバルブアッセンブリから外した際に圧力調整室の圧力によりガス容器が押し上げられ、交換が容易になる。
本発明の吐出容器の再利用方法であって、前記圧力調整室内を減圧してから、前記バルブアッセンブリ及び圧力調整機構を容器から分離すれば、ガス容器を全量噴射させることなく取り出すことができるため、ガス容器を再利用することができる。
本発明の吐出容器の再利用方法であって、ガス容器を交換してから、内容物が充填された容器に前記バルブアッセンブリ及び圧力調整機構を取り付ければ、再利用後も内容物を安定して吐出させることができる。
本発明の吐出容器の再利用方法であって、前記圧力調整機構を、バルブアッセンブリのキャップによる押し込みによって作動させれば、使用者でも簡単に加圧剤を充填することができる。
吐出容器10のボトル11内に内容物Cおよび加圧剤Pを充填して吐出製品となる。
首部の外周には、バルブアッセンブリ12のキャップ23と螺合するネジ11aが形成されている。しかし、ネジに限定されるものではなく、キャップ23と係合する係合手段が設けられていればよい。ネジ11a(係合手段)の下方には、外円筒部11b1と、その下端の環状突起11b2とからなる筒状のシール保持部11bが形成されている。このシール保持部11bには断面が円形である環状のシール材16が保持される。このシール材16は、ボトル11とバルブアッセンブリ12のキャップ23との間をシールする。外円筒部11b1は、シール材16の内面と密接する部位であり、環状段部11b2はシール材16が外円筒部11b1から抜けないようにする部位である。さらに、シール保持部11bの下方には、吐出容器10の組み立て時にボトル11を保持したり、内容物Cの充填時にボトル11を吊り下げるための環状段部11cが形成されている。なお、環状段部11cの外形は、円状とするだけでなく、吐出容器10の回転を防止するために一部に平面を設けたり、矩形状や多角形状にしてもよい。
ボトル11は、使用後、何も充填していない状態(ゲージ圧0の状態)において、一般使用者が手で潰せるものが好ましい。例えば、ボトル11の最も薄い部位(この実施形態では胴部)の厚さが0.1~0.5mm、好ましくは0.15~0.4mmである。0.5mmより大きいと強度が高くなり、手で潰すことができない。また、合成樹脂に使用量が多くなり、環境への負荷が大きくなりやすく、コスト高となる。0.1mmより小さいと強度が弱すぎ、落下などによりボトルが破裂する恐れがある。
またボトル11の内面には蒸着膜を設けることができる。蒸着膜としては、たとえば、減圧下で炭素、酸化アルミ、シリカなどをガス状にして表面(内面)を被覆して膜を形成したものであり、窒素や炭酸ガスなどの加圧剤の透過防止効果が高く、内容物を安定的に保管できる点から炭素皮膜(DLC膜)が好ましい。
またボトル11を透明または半透明とし、内部が視認できるようにしてもよい。
フランジ部27は、ボトル11の上方に配置されている(図1参照)。フランジ部27とボトル11の上端との間には、環状のガスケット17が設けられている。そして、フランジ部27の下面には、ボトル11内に挿入され、ガスケット17を支持する筒状のシール保持壁27aがハウジング26と同軸に形成されている。
上筒部37は、バルブホルダー21のハウジング26を保持する部位である。上筒部37の内面には、ハウジング31の環状の凹部26dと係合する係合突起37aが形成されている。カバー部36と係合突起37aとでバルブホルダー21(ハウジング26)を挟むことにより、バルブ機構22をバルブホルダー21(ハウジング26)に固定し、かつ、バルブホルダー21を保持する(図2a参照)。つまり、キャップ23とバルブホルダー21とを一体化できる。
リング部38は、バルブホルダー21がボトル11から抜け飛ばないようにバルブホルダー21のフランジ部27の上面を覆う部位である(図2a参照)。
下筒部39は、ボトル11と係合する部位である。下筒部39の内面にボトル11のネジ11aと係合するネジ39aが形成されている。そして、下筒部39のネジ39aの下方の下部内面であって、ボトル11のシール保持部11bの位置に、環状段部11b2より若干拡径した内円筒部39bが形成されている。この内円筒部39bは、ボトル11の外円筒部11b1との間でシール材16を半径方向に圧縮する部位である(図1参照)。なお、この実施形態では、ボトルとバルブアッセンブリとの固定手段として、ネジを用いているが、着脱自在に固定できればその構造は特に限定されない。また、着脱自在としなくてもよい。
シリンダ部46は、連結部47を介してバルブアッセンブリ12の下方に設けられる。シリンダ部46内にピストン41を上下摺動自在に挿入する。シリンダ部46の下部には、下端から上方に向かうスリット46aが形成されている。さらに、シリンダ部46の下端には、半径方向内側に突出した保持爪46bが形成されている。この保持爪46bは、ピストン41をシリンダ部46内に収容したときに落下しないように保持すると共に、後述するガス容器42が左右方向に動かないように保持する。つまり、保持爪46bは、シリンダ部の保持手段として作用する。保持手段としては、シリンダ部の一部とガス容器42の一部とが係合し、ガス容器を保持できればその形状は特に限定されない。
連結部47は、ハウジング26の連結筒26bを導入する第1連結孔47aと、後述する原液導入部材48と連結する第2連結孔47bと、ハウジング26の連通孔26a(第1連結孔47a)と原液導入部材48(第2連結孔47b)とを連通する連通路47cとを有する。
原液導入部材48は、連結部47の第2連結孔47bに取り付けられるアダプタ48aと、アダプタ48aに取り付けられるチューブ48bとからなり、連通路47cとボトル11の下端近辺(原液相)とを連通する。しかし、チューブ48bの下端は原液相に漬かっていればよい。なお、倒立して使用する場合は、原液導入部材48は不要である。
エアゾール容器42は、エアゾールバルブ42bの下端(シリンダ係合部)42dにシリンダ部46の保持爪46bを係合させてシリンダ部46に固定される。エアゾールバルブ42bは、首部42a1より拡径している。そして、保持爪46bは、エアゾールバルブ42bの下部と肩部の上部との間を行き来できるようになっている。そのため、エアゾール容器42は、シリンダ部内で上下動可能に保持されている。しかし、保持爪46bを設けず、シリンダ部46の内面でエアゾール容器42を支持するようにしてもよい。
エアゾール容器42は、ボトル11の底部の中央に、ボトルの開口部と同軸に載置されるように構成されている(図1参照)。そのとき、シリンダ部46の保持爪46bは耐圧容器42aの首部42a1に位置している。ボトル11の底部にエアゾール容器42をボトルの開口部と同軸に支持させることにより、ボトル11、バルブアッセンブリ12および圧力調整機構13を全て同軸に配置させることができ、エアゾール容器42をボトル11の底部に支持させながら加圧調整室S1を形成することができる。そのため、後述するようにバルブアッセンブリ12をボトル11に固定するだけで、吐出容器10を組み立てることができ、使用者でも簡単にできる。
圧力調整機構が作動する圧力は、圧力調整室S1内の圧力や容積、ピストンの断面積、エアゾールバルブ内のスプリング、前述のバネなどにより調整することができる。たとえば吐出容器10のゲージ圧が0.1~0.3MPa、特に0.12~0.25MPaとなるように調整するのが好ましい。つまり、原液を吐出した後のボトル11の内圧がそれより小さい圧力となったときに圧力調整機構が作動するようにするのが好ましい。
初めに、図2aに示すように、バルブ機構22を収容したバルブホルダー21にキャップ23を固定しバルブアッセンブリ12を形成する。一方で、図3に示すように、加圧剤を充填したガス容器に、ピストン41を収容したシリンダ部材40を取り付け、圧力調整機構13を形成する。そしてバルブホルダー21の連結筒26bにシリンダ部材40を連結してバルブアッセンブリ12と圧力調整機構13を一体化した蓋材を準備する(図4a参照)。このときシリンダ部46のスリット46aの上端はピストン41より上方にあるため、上方空間S1は密閉されていない。
なお、吐出容器10はバルブアッセンブリ12と圧力調整機構13を一体化した蓋材を用いることにより使用者自身で組み立てることができるため、内容物Cを充填したボトル11に蓋カバー等で密封した付け替え用製品と組み合わせてもよい。これによりバルブアッセンブリ13などは再利用できる。また、エアゾール容器42のみの交換も可能である。
このとき、バルブアッセンブリ12およびシリンダ部材40は、ピストン41およびエアゾール容器42を残して先に上昇する。そして、エアゾール容器42のエアゾールバルブ42bの下端(シリンダ係合部)がシリンダ部46の保持爪46bと係合すると、ピストン41およびエアゾール容器42もバルブアッセンブリ12等と一緒に上昇する。すなわち、図4aに示すように、エアゾール容器42をシリンダ部46に取り付けた状態、すなわち保持爪46bがエアゾールバルブの下部42dと係合し、ピストン41はシリンダ部46のスリット46aの上端より下方にある。このように構成しているため、上方空間S1をスリット46aを介してボトル11(外気)に開放することができる。そのため、エアゾール容器42内の加圧剤を全量噴射させることなく分解することができる。そして、保持爪46bに保持されたエアゾール容器42をボトル11から取り出すことができる。この場合、エアゾール容器42を全量噴射させることなく取り出すことができるため、エアゾール容器42の再利用ができる。なお保持爪46bをシリンダ部46に設けない場合も、エアゾール容器42の再利用が可能となる。保持爪46bを設けない場合、エアゾール容器42をボトル11内に挿入して、蓋材(エアゾール容器42を除く)をボトル11に取り付けて組み立てる。
圧力調整機構51は、シリンダ部材40と、そのシリンダ部材40内に収容されるピストン41と、シリンダ部46の下端に挿入される加圧剤が充填されたエアゾール容器(ガス容器)42と、ボトルの開口部から吊り下げられる容器ホルダー55とを備えている。シリンダ部材40およびピストン41は、図1の吐出容器と実質的に同じである。エアゾール容器42も、図1の吐出容器10のエアゾール容器42より短いこと以外は実質的に同じものである。
容器ホルダー55は、バルブアッセンブリ13をボトル11に取り付ける際にエアゾール容器42の位置を安定化させてシリンダ部46に係合しやすくし、かつ、バルブアッセンブリ13を取り付けた後もエアゾール容器42を保持してピストン41や押ボタンを作動しやすくする。詳しくは、筒状のホルダー本体55aと、その上端に形成されるフランジ部55bと、その下端を閉じる底部55cとからなる。ホルダー本体55aの下部には、ホルダー本体55aとボトル11との間を連通するスリット55dが形成されている。ホルダー本体55aの下部内面には、エアゾール容器42の位置決めするための位置決めリブ55eが放射状に並んで形成されている。さらに、ホルダー本体55aの上部には、原液導入部材48を通す挿入孔55fが形成されている。容器ホルダー55は、フランジ部55bがボトル11の上端とバルブアッセンブリ13のバルブホルダー21のフランジ部27の間に挟圧されて保持される。また、フランジ部55bの下面は、環状の板シール材18を下方に圧縮する部位である。
この圧力調整機構51も、図1の吐出容器の圧力調整機構13同様に、上方空間(圧力調整室)S1の圧力と、ボトル11の圧力差によって作動する。エアゾール容器42を容器ホルダー55に載置させるため、エアゾール容器42を確実に支持することができ、製造時、および、製造後、ずれるおそれがない。
初めに内容物Cを充填したボトル11に、エアゾール容器42を収容した容器ホルダー55を収納する。一方、バルブ機構22を収容したバルブホルダー21にキャップ23を固定してバルブアッセンブリ12を組み立て、かつ、バルブホルダーの連結筒26bにピストン41を挿入したシリンダ部材40を取り付けた蓋材を準備する。そして、この蓋材をボトル11に固定することによりシリンダ部内にエアゾール容器が保持され、圧力調整機構51が作動してエアゾール容器から加圧剤が噴射されてボトル内を所定の圧力に加圧し、吐出容器50を組み立てることができる。この場合、蓋材にボトルを取り付ける直前に、エアゾール容器42の押ボタン42cとピストン41とが接触するため、エアゾール容器42をシリンダ部46内で上下動自在にする必要がない。一方、エアゾール容器42を容器ホルダー55で支持しているため、保持爪46bとの係合、および、圧縮調整室S1の形成が安定にできる。しかし、この場合も、保持爪46bを設けなくてもよい。
ガス容器42に加圧剤が十分に残っている場合には、S3の工程を省略することができる。
S1 上方空間(圧力調整室)、 S2 下方空間(開放室)
10、10a 吐出容器
11 ボトル(容器)、 11a ネジ、 11b シール保持部、 11b1 外円筒部、 11b2 環状突起、 11c 環状段部
12 バルブアッセンブリ
13 圧力調整機構
16 シール材
17 ガスケット
21 バルブホルダー
22 バルブ機構
23 キャップ
26 ハウジング、 26a 連通孔、 26b 連結筒、 26c ラバー支持部、 26d 凹部
27 フランジ部、 27a シール保持壁
31 ステム、 31a ステム孔
32 ステムラバー
33 バネ
36 カバー部、 36a 中心孔
37 上筒部、 37a 係合突起
38 リング部
39 下筒部、 39a ネジ、 39b 内円筒部
40 シリンダ部材
41 ピストン
42 エアゾール容器(ガス容器)、 42a 耐圧容器、 42a1 首部、 42b エアゾールバルブ、 42b1 ステム、 42c 押ボタン、 42c1 吐出口、 42d シリンダ係合部
45 バルブホルダー
46 シリンダ部、 46a スリット、 46b 保持爪
47 連結部、 47a 第1連結孔(連結溝)、 47b 第2連結孔(連通路)、 47c 連通路
48 原液導入部材、 48a アダプタ、 48b チューブ
49 導入部材連結部
50 吐出容器
51 圧力調整機構
55 容器ホルダー、 55a ホルダー本体、 55b フランジ部、 55c 底部、 55d スリット、 55e 位置決めリブ、 55f 挿入孔
60 吐出容器
61 容器、 61a 巻き締め部、 61b 円筒部、 61c ネジ
62 キャップ、 62a 上筒部
63 バルブホルダー
64 ハウジング部、 64a 横孔
65 シリンダ部
66 フランジ部、 66a 貫通孔
67 導入部材連結部
68 円筒状の空間
70 吐出容器
71 環状壁、 71a 凹溝
72 Oリング
80 吐出容器
81 バルブホルダー
82 ハウジング
83 容器ホルダー
84 シリンダ部、 84a 連通孔
85 容器
88 キャップ
90 吐出容器
91 ボトル
92 シール材
100 吐出容器
101 フランジ部、 101a、 101b 溝部
102 凹溝
103 Oリング
110 吐出容器
111 外容器
112 内容器、 112a 縦溝、 112b フランジ部
113 容器ホルダー、 113a 収容部、 113b シリンダ部、 113c 段差、 113d フランジ部
114 バルブホルダー、 114a フランジ部、 114b 凹溝
115 下筒、 115a 凹溝
116 Oリング
117 ガスケット
Claims (14)
- 容器と、その容器を閉じ、バルブ機構を有するバルブアッセンブリと、そのバルブアッセンブリの下部に取り付けられ、前記容器の内圧が減少したとき所定の圧力まで上昇させる圧力調整機構とを有し、
前記圧力調整機構は、バルブアッセンブリの下方に設けられるシリンダ部と、そのシリンダ部に上下摺動自在に挿入され、シリンダ部を圧力調整室と容器内に開放された開放室とに分けるピストンと、加圧剤が充填され、かつ前記ピストンの上下動と連動して容器内と連通するガス容器とを備えたものであり、
前記ピストンが、容器の内圧により受ける力が圧力調整室より受ける力よりも小さいとき、圧力調整室が所定容量より大きくなるようにピストンが移動してガス容器を開放し、加圧剤を容器内に供給し、
前記ピストンが、容器の内圧により受ける力が圧力調整室より受ける力と同じあるいは大きいとき、圧力調整室が所定容量以下となるようにピストンが移動してガス容器を閉じる、吐出容器。 - 前記容器とバルブアッセンブリとが着脱自在である、
請求項1記載の吐出容器。 - 前記バルブアッセンブリの下部にシリンダ部が取り付けられる、
求項1または2記載の吐出容器。 - 前記ガス容器が容器内で支持されている、
請求項1から3いずれか記載の吐出容器。 - 前記ガス容器が容器の底部に支持されている、
請求項4記載の吐出容器。 - 前記圧力調整機構が、前記容器の開口部から吊り下げられるようにして容器内に収容された容器ホルダーを備えており、
前記容器ホルダーに、容器ホルダーの内部と容器内とを連通する連通孔が形成されており、
前記ガス容器が容器ホルダーに支持されている、
請求項4記載の吐出容器。 - 前記シリンダ部内で前記ガス容器が上下動可能となっている、
請求項1から6いずれか記載の吐出容器。 - 前記シリンダ部が前記ガス容器を保持する保持手段を備えている、
請求項1から7いずれか記載の吐出容器。 - 前記容器ホルダーがシリンダ部を兼ねている、
請求項6記載の吐出容器。 - 前記容器ホルダーが有底筒状のシリンダ部を備えており、シリンダ部の底部とピストンの間で圧力調整室を構成し、その上部にガス容器が収容されている、
請求項6又は9記載の吐出容器。 - 請求項1から10のいずれかに記載の吐出容器の再利用方法であって、
前記バルブアッセンブリ及び圧力調整機構を容器から分離する工程と、
内容物が充填された容器に前記バルブアッセンブリ及び圧力調整機構を取り付ける工程と、
前記圧力調整機構を作動させ、前記容器内に加圧剤を充填する工程とを備える、吐出容器の再利用方法。 - 前記圧力調整室内を減圧してから、前記バルブアッセンブリ及び圧力調整機構を容器から分離する、
請求項11記載の吐出容器の再利用方法。 - ガス容器を交換してから、内容物が充填された容器に前記バルブアッセンブリ及び圧力調整機構を取り付ける、
請求項11又は12記載の吐出容器の再利用方法。 - 前記圧力調整機構を、バルブアッセンブリのキャップによる押し込みによって作動させる、
請求項11から13のいずれかに記載の吐出容器の再利用方法。
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JP7021945B2 (ja) | 2017-12-29 | 2022-02-17 | 株式会社ダイゾー | ネジキャップ付きの吐出容器 |
JP2019131281A (ja) * | 2018-02-02 | 2019-08-08 | 株式会社ダイゾー | ガス容器を収容する吐出容器および吐出製品 |
JP2020066458A (ja) * | 2018-10-25 | 2020-04-30 | 株式会社ダイゾー | 吐出容器 |
JP7186577B2 (ja) | 2018-10-25 | 2022-12-09 | 株式会社ダイゾー | 吐出容器 |
JP7186577B6 (ja) | 2018-10-25 | 2023-01-10 | 株式会社ダイゾー | 吐出容器 |
JP2021115532A (ja) * | 2020-01-27 | 2021-08-10 | 株式会社ダイゾー | 発泡性組成物および吐出製品 |
JP7453798B2 (ja) | 2020-01-27 | 2024-03-21 | 株式会社ダイゾー | 発泡性組成物および吐出製品 |
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US20180312328A1 (en) | 2018-11-01 |
EP3360821B1 (en) | 2021-12-01 |
EP3360821A1 (en) | 2018-08-15 |
EP3360821A4 (en) | 2019-06-19 |
CN108025860B (zh) | 2020-07-03 |
JP6914195B2 (ja) | 2021-08-04 |
JPWO2017061538A1 (ja) | 2018-07-26 |
US10384859B2 (en) | 2019-08-20 |
CN108025860A (zh) | 2018-05-11 |
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