WO2011070690A1 - 噴射剤の充填装置 - Google Patents

噴射剤の充填装置 Download PDF

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Publication number
WO2011070690A1
WO2011070690A1 PCT/JP2010/001688 JP2010001688W WO2011070690A1 WO 2011070690 A1 WO2011070690 A1 WO 2011070690A1 JP 2010001688 W JP2010001688 W JP 2010001688W WO 2011070690 A1 WO2011070690 A1 WO 2011070690A1
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WO
WIPO (PCT)
Prior art keywords
aerosol container
propellant
pressure
valve
flow
Prior art date
Application number
PCT/JP2010/001688
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
細田孝文
井内芳一
花井信行
柴田拓生
Original Assignee
東洋エアゾール工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東洋エアゾール工業株式会社 filed Critical 東洋エアゾール工業株式会社
Priority to CN201080031141XA priority Critical patent/CN102470938B/zh
Priority to JP2011545045A priority patent/JP5314766B2/ja
Priority to EP10835622.1A priority patent/EP2511184B1/en
Priority to KR1020117015705A priority patent/KR101301732B1/ko
Priority to US13/496,078 priority patent/US8863786B2/en
Publication of WO2011070690A1 publication Critical patent/WO2011070690A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/10—Adding propellants in solid form to aerosol containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/003—Adding propellants in fluid form to aerosol containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers

Definitions

  • the present invention relates to a propellant filling device for use in a filling operation in which an aerosol container is filled with a propellant through a valve mechanism of the aerosol container.
  • Patent Document 1 discloses a propellant filling apparatus that is connected to the stem side of an aerosol container and fills a bag in the aerosol container with a propellant through an injection hole of the stem.
  • a filling device as shown in FIG. 8 has been conventionally used as one of the filling devices used in a general through valve method as a propellant filling method.
  • This filling apparatus is used for a general aerosol container (50) in which the lower end of the stem (51) is assembled in the housing of the valve mechanism (55) of the aerosol container (50) as shown in FIG.
  • the aerosol container (50) is pre-filled with the aerosol content consisting of a stock solution and a propellant, and is connected to the stem (51) protruding side, and is connected to a supply part (not shown) through an aerosol container (52). 50)
  • the pressurized propellant is fed to the side.
  • the stem (51) is pressed by the pressure of the propellant and the stem gasket (54) is elastically deformed inward, and is injected through the injection hole (53) and the stem gasket (54) of the stem (51).
  • the agent is filled into the aerosol container (50).
  • the aerosol container (50) when a stock solution of relatively low viscosity mainly based on water or alcohol is stored in the aerosol container (50), since the fluidity of the stock solution is good, by shaking the aerosol container (50) The contact area between the propellant and the stock solution is large. Accordingly, the propellant can easily dissolve in the stock solution, and the propellant can be efficiently filled by the filling device.
  • the aerosol container (50) is caused by the pressure of the propellant from the supply unit.
  • the stem (51) is pressed against the urging force of the spring (57). Therefore, the pressure of the propelled propellant is caused by the resistance of the spring (57) and the stem gasket (54), and the aerosol container ( 50), the liquid level is significantly reduced before reaching the liquid level of the stock solution. For this reason, as in the case of the shaking operation, it has been difficult to promote the dissolution of the propellant into the stock solution by the pressure of the propellant from the supply side.
  • the propellant when the propellant is filled in the aerosol container (50) in which the stock solution having a relatively high viscosity is stored in advance using the above-described conventional spray device, it is compared with the case in which the stock solution having a relatively low viscosity is stored.
  • the propellant hardly dissolves in the stock solution, and when the propellant is filled, the propellant that does not dissolve in the stock solution fills the head space (56) of the aerosol container (50) as it is, and the pressure in the aerosol container (50) It becomes higher than the case where a low stock solution is stored.
  • the pressure required to press the stem (51) differs for each aerosol container (50), but on average it is about 0.6 MPa or more. Therefore, in order to press the stem (51) with the pressure of the propellant on the supply side, the pressure of the propellant on the supply side is at least about 0.6 MPa higher than the pressure in the aerosol container (50). Will be required. Accordingly, when the pressure on the supply unit side is lower than the pressure in the aerosol container (50) + about 0.6 MPa, the stem (51) is pressed by the pressure of the propellant from the supply unit side. This makes it difficult to close the valve mechanism (55), making it impossible to fill the aerosol container (50) with the propellant.
  • the pressure of the propellant on the supply unit side presses the high pressure in the aerosol container (50) + the stem (51).
  • the aerosol container (50) is filled with the propellant at the equilibrium pressure.
  • the pressure of the propellant on the supply side must be higher than the high pressure in the aerosol container (50) + the pressure required to press the stem (51), so that a prescribed amount It has been difficult to reliably fill the aerosol container (50) with the propellant.
  • the stem (51) is pressed for each aerosol container (50) due to a difference in biasing force of the spring (57) biasing the stem (51) upward, a difference in assembly state, or the like.
  • the pressing force required to do this was different. Therefore, it is necessary to press the pressure required for the propellant on the supply side to open the valve mechanism (55) when filling the propellant, that is, the pressure in the aerosol container (50) + the stem (51).
  • the pressure varies depending on the aerosol container (50). Therefore, when each of the aerosol containers 50 having different pressures required to open the valve mechanism 55 is filled with the propellant, the valve mechanism 55 is closed at the end of the filling operation.
  • the present invention is intended to solve the above-described problems, and ensures that a prescribed amount of propellant is reliably used not only in a relatively low viscosity stock solution but also in a case where a high viscosity stock solution is used.
  • the filling amount of the propellant does not vary, and even if the pressure in the aerosol container is higher than the pressure on the supply part side, the backflow of the propellant from the aerosol container side to the supply part side
  • the present invention is intended to obtain a propellant filling device that can prevent the above.
  • the present invention relates to a propellant filling apparatus that fills a propellant into an aerosol container prefilled with a stock solution and a propellant through a valve mechanism provided in the aerosol container.
  • the aerosol container is filled with only the stock solution in advance, and the propellant is filled at a later time, and the aerosol solution is filled with the stock solution and the specified amount or less.
  • the present invention is based on the latter filling method.
  • valve opening member that faces the valve mechanism of the aerosol container on the lower end side and always opens the valve member by pressing the valve member of the valve mechanism is disposed, and the aerosol container is opened on the valve opening member when the valve mechanism is opened.
  • a communication hole that allows communication with the inside is formed.
  • the valve mechanism is opened by the pressure of the propellant from the supply unit, whereas in the present invention, the valve mechanism is mechanically opened as described above.
  • the pressure filling operation of the propellant can be performed with the propellant passage secured by a mechanical action. Therefore, it is possible to reliably pressurize and fill the aerosol container with the specified amount of propellant supplied from the supply unit without receiving almost any resistance of the spring or stem gasket attached to the stem.
  • the propellant from the supply section can flow through the propellant passage without resistance, so that the propellant is kept in the aerosol container in a state in which the propellant is kept well without significantly reducing the pressure during supply. And can collide with the stock solution in the aerosol container. Therefore, the pressure of the propellant from the supply unit is directly transmitted to the stock solution, and it is possible to promote the dissolution of the propellant into the stock solution.
  • a flow pipe that communicates with the propellant supply section through the supply path is disposed on the upper end side of the valve opening member, and this flow pipe is subjected to the pressure distribution of the propellant from the supply section to the aerosol container.
  • the valve mechanism of the aerosol container when the valve mechanism of the aerosol container is mechanically opened by pressing the valve opening member as described above, if the pressure on the aerosol container side is higher than the pressure on the supply unit side, the aerosol container is preliminarily placed in the aerosol container.
  • the filled propellant and stock solution flow back to the supply unit side, and the back flow may cause the stock solution to adhere to the supply path.
  • the undiluted solution adhering to the supply path in this way may be scattered when the aerosol container is removed from the filling device, and may adhere to the lid of the aerosol container, or may adhere to the surroundings.
  • valve member is disposed as described above in the present invention, when the pressure on the aerosol container side becomes higher than the pressure on the supply unit side immediately after the valve mechanism is opened, the aerosol container side Since the valve member seals the flow passage formed in the flow pipe by the pressure of the propellant, it is possible to reliably prevent the backflow of the propellant to the supply unit side by the valve member. Accordingly, it is possible to prevent inconveniences such as the stock solution adhering to the supply path due to the backflow of the aerosol contents and the stock solution being scattered.
  • valve mechanism of the aerosol container is held in the valve open state.
  • the pressure on the aerosol container side is higher than the pressure on the supply unit side.
  • the valve member can prevent backflow of the aerosol contents from the inside of the aerosol container to the supply unit side, and when the pressure on the supply unit side is higher than the pressure on the aerosol container side, the supply The propellant can flow into the aerosol container through the valve member and valve mechanism.
  • an opening is formed in the lid of the aerosol container in a propellant filling apparatus that fills a propellant through a valve mechanism provided in the aerosol container in an aerosol container pre-filled with a stock solution and a propellant.
  • An annular sealing member is provided on the outer periphery of the stem insertion opening, and the outer periphery of the stem protruding portion protruding outward from the aerosol container can be covered through the arrangement interval.
  • a valve opening member capable of pressing the stem which is the valve member of the invention, is disposed, a communication hole communicating with the inside of the aerosol container is formed in the valve opening member, and the upper end side of the valve opening member is provided via a supply path.
  • a flow pipe that communicates with the propellant supply section and has a valve seat on the inner peripheral surface is disposed, and this pressure pipe is placed in the flow pipe during pressure distribution of the propellant from the supply section to the aerosol container.
  • the propellant pressure moves away from the valve seat of the flow pipe so that the flow path of the flow pipe can be opened, and at the time of pressurized flow from the aerosol container to the supply section, the flow pipe is driven by the pressure of the propellant.
  • a valve member that is in close contact with the valve seat and can close the flow passage of the flow pipe, and the sealing member is arranged on the outer periphery of the stem insertion port so that the valve opening member and the stem are arranged by the sealing member.
  • the valve opening member presses the stem to hold the valve mechanism in the aerosol container in an open state, and in this valve open state, the pressure on the aerosol container side is supplied.
  • the valve member can prevent the backflow of the aerosol contents from the inside of the aerosol container to the supply part side, and the pressure on the supply part side is higher than the pressure on the aerosol container side.
  • the valve member from the supply unit may be through a valve mechanism that is can flow propellant into the aerosol container.
  • the present invention provides a female valve type aerosol container which is prefilled with a stock solution and a propellant and does not project the propellant outlet tube outwardly from the stem gasket, via a valve mechanism provided in the aerosol container.
  • a valve mechanism provided in the aerosol container.
  • an annular sealing member that can be arranged on the outer periphery of the stem insertion opening formed in the lid of the aerosol container is provided, and the inside of the sealing member is disposed inward through the arrangement interval of the sealing member.
  • valve opening member formed in a rod shape is inserted and arranged so that the valve member of the valve mechanism can be pressed by the valve opening member via the stem insertion port, and when the valve mechanism is opened, A communication hole that allows communication with the inside of the aerosol container is formed, and the valve opening member communicates with the propellant supply portion via the supply path on the upper end side of the valve opening member and has a valve seat on the inner peripheral surface.
  • valve mechanism in the aerosol container is held open, and in this opened state, when the pressure on the aerosol container side is higher than the pressure on the supply unit side, the valve member causes When it is possible to prevent backflow of the aerosol contents to the supply unit side, and when the pressure on the supply unit side is higher than the pressure on the aerosol container side, the valve member, the communication hole of the valve opening member from the supply unit, and The propellant may be allowed to flow into the aerosol container via the valve mechanism.
  • the flow pipe is arranged with a flow small pipe inward from the inner peripheral surface, and the flow passage of the flow pipe and the communication hole of the valve opening member can communicate with each other through the flow small pipe.
  • the valve member is brought into close contact with the valve seat provided on the inner surface of the flow pipe by the pressure on the aerosol container side to close the flow passage of the flow pipe and
  • the valve member is caused by the pressure of the propellant from the supply unit side.
  • valve member is made of an elastic member formed in a bowl shape.
  • the valve member When the pressure on the aerosol container side is higher than the pressure on the supply unit side, the valve member is in close contact with the valve seat of the flow pipe and closes the flow path of the flow pipe.
  • the propellant communication path is formed between the inner peripheral surface of the flow pipe and the valve member by elastically deforming to the flow small pipe side. It may be formed.
  • valve member is formed of an elastic member and does not use a spring like the aerosol valve stem mechanism in this way, even if the pressure on the supply side is slightly higher than the pressure on the aerosol container side, It becomes possible to allow the propellant to flow into the aerosol container by opening the member. Therefore, as compared with the case of the above-described conventional filling device that requires a pressure of at least about 0.6 MPa to press the stem, the pressure required by the propellant on the supply side at the time of filling is kept low. Therefore, it is possible to open the valve mechanism even if the pressure on the supply unit side is slightly high without requiring a higher pressure than necessary. Thus, since the valve member can be opened without requiring high pressure on the propellant on the supply unit side, it is possible to reliably fill the aerosol container with the prescribed amount of propellant on the supply unit side. it can.
  • the resistance of the valve member at the time of filling with the propellant is extremely low as described above, the state in which the pressure of the propellant on the aerosol container side through the stem is maintained well without being significantly reduced during the supply.
  • the propellant can be efficiently filled, and the propellant is stored in the aerosol container in a state in which the pressure at the time of supply is kept good without lowering the filling pressure by the spring or stem gasket attached to the stem. Therefore, the propellant filling pressure can promote the dissolution of the propellant into the stock solution.
  • valve member is formed in a flat plate shape, and when the pressure on the aerosol container side is higher than the pressure on the supply unit side, the flow passage of the flow pipe can be closed in close contact with the valve seat of the flow pipe, When the pressure on the supply unit side is higher than the pressure on the aerosol container side, the propellant communication path can be formed between the inner peripheral surface of the flow pipe and the outer periphery of the valve member by moving to the flow small pipe side. It may be a thing.
  • the present invention is configured as described above, and the valve mechanism in the aerosol container is held open by pressing the stem with the valve opening member.
  • the pressure filling operation of the propellant can be performed in a state where the passage is secured. Therefore, it is possible to reliably fill the aerosol container with the specified amount of propellant supplied by pressurization from the supply part without receiving the resistance of the spring and stem gasket attached to the stem as in the conventional filling device. It becomes.
  • the propellant from the supply unit flows into the aerosol container while maintaining the pressure at the time of supply, and collides with the stock solution in the aerosol container. Since it is directly transmitted and the dissolution of the propellant into the stock solution can be promoted, it becomes possible to efficiently fill the stock solution with the propellant from the supply unit.
  • the valve member when the propellant is pressurized and distributed from the supply unit to the aerosol container, the valve member is moved by the pressure of the propellant to open the flow path, and during the pressurized flow from the aerosol container to the supply unit side, the flow path is opened. It can be closed. Therefore, even when the aerosol contents in the aerosol container flow backward, the valve member seals the flow path by the pressure of the propellant flowing backward, and this valve member prevents the aerosol content from flowing back to the supply section side. It becomes possible to do.
  • Example 1 of this invention the fragmentary sectional view which shows the state where the pressure by the side of an aerosol container is higher than the pressure by the side of a supply part.
  • the bottom view of the valve opening member which shows Example 1, 2 and another different Example.
  • Example 1 the fragmentary sectional view which shows the state in which the pressure by the side of a supply part is higher than the pressure by the side of an aerosol container.
  • Example 2 of this invention the fragmentary sectional view which shows the state in which the pressure by the side of a supply part is higher than the pressure by the side of an aerosol container.
  • Example 3 the fragmentary sectional view which shows the state in which the pressure by the side of an aerosol container is higher than the pressure by the side of a supply part.
  • Example 4 of this invention the fragmentary sectional view which shows the state in which the pressure by the side of an aerosol container is higher than the pressure by the side of a supply part.
  • (1) is a sealing member formed in a cylindrical shape, and an aerosol container (2) is placed in the sealing member (1).
  • a stem protrusion (3) protruding outward from a stem insertion opening (35) formed in the center of the lid (25) is inserted and arranged so that the outer periphery of the stem protrusion (3) can be covered.
  • the sealing member (1) forms a constant arrangement interval (9) between the stem projecting portion (3) and the stem projecting portion (3) when the stem projecting portion (3) is inserted and arranged.
  • the upper end of the sealing member (1) is connected to the lower end of a valve opening member (4) formed in a U-shaped cross section, and the top surface (19) of the valve opening member (4) is connected to the pressing surface (5). It is said.
  • a communication hole (8) communicating with the injection hole (7) of the stem (6) which is the valve member of the present invention is formed through the central portion of the valve opening member (4).
  • FIG. 2 (b) As shown in Fig. 2, one is formed in the diameter direction of the top surface (19), or four portions are formed on the top surface (19) as shown in Fig. 2 (c), and the portions other than the circular pressing surface (5) are recessed. Thus, a communicating recess (10) may be used.
  • a cylindrical flow pipe (11) is connected to the upper surface of the valve opening member (4), and a small flow pipe is coaxially connected to the flow pipe (11) in the flow pipe (11). (12) is arranged.
  • This small flow tube (12) is formed integrally with the inner peripheral surface of the flow tube (11) at the base end side, and the small flow tube (12) can communicate with the communication hole (8) of the valve opening member (4). It is supposed to be.
  • the distal end side of the small flow pipe (12) is disposed so as to protrude in the axial direction in the flow pipe (11) with a space from the inner peripheral surface of the flow pipe (11). (13) is formed in two places, and through this communication port (13), the flow passage (14) formed on the upper end side of the flow pipe (11) and the communication hole (8) of the valve opening member (4) are formed. Communication is possible.
  • the tip opening (15) of the small flow tube (12) is covered with a valve member (16) made of a rubber material which is an elastic material.
  • the valve member (16) is a bowl-shaped member formed by a bottom wall (17) and a tapered portion (18) that expands from the bottom wall (17) in a tapered shape, and the inner surface of the bottom wall (17). In the center, an inverted conical engagement protrusion (20) is formed to protrude. Then, the valve member (16) is disposed in the distal end opening (15) of the small flow tube (12) in a state where the engaging protrusion (20) is inserted and disposed in the distal end opening (15) of the small flow tube (12). is doing.
  • the taper part (18) of the said valve member (16) will be located in the outer periphery of the front-end
  • the engaging protrusion (20) of the valve member (16) is disposed in the distal end opening (15) of the small flow tube (12) as described above, the engaging protrusion (20) causes the valve member to Positioning can be performed so that the center of (16) is always located at the tip opening (15). For this reason, it is possible to prevent displacement of the valve member (16), and the function of the valve member (16) can always be kept normal. Since the valve member (16) is formed of a rubber material as described above, the valve member (16) can be elastically deformed even by a slight pressure of the propellant.
  • a valve seat (21) of the valve member (16) is formed in a ring shape above the flow small pipe (12).
  • a cylindrical supply pipe (22) is arranged on the outer periphery of the sealing member (1), the valve opening member (4), and the flow pipe (11). That is, a sealing member (1), a valve opening member (4), and a flow pipe (11) are inserted and arranged at the lower end of the supply pipe (22), respectively, and a supply section is placed above the flow pipe (11). A supply path (23) communicating with the air is formed.
  • a cylindrical cover member (28) is disposed on the outer periphery of the supply pipe (22) formed as described above.
  • the stem protrusion (3) is inserted into the sealing member (1), the aerosol container (2) is connected to the filling device of the present invention, and the lower end surface (24) of the sealing member (1) is connected to the stem protrusion. (3) Abut on the flat surface (26) of the lid (25) located on the outer periphery.
  • the aerosol container (2) of this embodiment is already filled with a certain amount of propellant and stock solution.
  • the supply unit (not shown) stores a predetermined amount of filler for filling the aerosol container (2) in advance.
  • the aerosol container (2) is filled with the propellant by impact filling.
  • the equilibrium pressure is maintained while shaking the aerosol container (2). It is also possible to fill the propellant by so-called equilibrium pressure filling, in which the aerosol container (2) is filled with the propellant.
  • the valve opening member (4) provided on the upper end side of the sealing member (1) presses the stem (6) of the aerosol container (2). It will be a thing. As described above, the flat surface (26) of the aerosol container (2) is brought into contact with the lower end surface (24) of the sealing member (1), whereby the stem (by the pressing surface (5) of the valve opening member (4)). The axial length of the sealing member (1) is adjusted in advance so that 6) is pressed. Then, as described above, the pressing surface (5) of the valve opening member (4) ⁇ ⁇ presses the stem (6), thereby closing the stem gasket (31) of the aerosol container (2) as shown in FIG. The orifice (30) of the stem (6) is opened by elastic deformation of the stem gasket (31), and the valve mechanism of the aerosol container (2) is opened.
  • the aerosol container (2) is connected to the filling device of this embodiment, so that the stem (6) can be pressed by the mechanical action by the valve opening member (4).
  • the specified amount from the supply section can be maintained while the valve mechanism is kept open mechanically.
  • the propellant can be reliably pressurized and filled in the aerosol container (2). Therefore, it is possible to prevent variations in the amount of the propellant filled in the aerosol container (2) after filling with the propellant.
  • the valve mechanism is opened mechanically as described above, the aerosol from the supply part is filled in the aerosol container (2) with almost no resistance from the spring (32) or the stem gasket (31). can do. Therefore, since the propellant can be brought into contact with the stock solution in the aerosol container (2) without significantly reducing the pressure of the propellant from the supply unit side, the propellant is dissolved in the stock solution by the pressure of the propellant. Can be promoted.
  • the pressure in the aerosol container (2) is temporarily supplied immediately after the valve mechanism is opened.
  • the pressure is higher than the pressure on the part side, and the propellant and the stock solution in the aerosol container (2) flow back to the supply part side.
  • the valve member (16) provided in the flow pipe (11) is pressed to the valve seat (21) side by the pressure of the propellant from the aerosol container (2) side.
  • the taper part (18) of the valve member (16) is elastically deformed and comes into close contact with the valve seat (21). Therefore, since the flow passage (14) is sealed by the valve member (16), the backflow of the propellant and the stock solution from the flow passage (14) to the supply unit side can be prevented.
  • the propellant from the supply section side that has passed through the flow passage (14) passes through the communication passage (27) via the valve member (16) and flows from the communication port (13) of the small flow tube (12). It will flow into the small pipe (12).
  • the propellant flowing into the small flow pipe (12) passes through the communication hole (8) and the communication recess (10) of the valve opening member (4) and flows into the injection hole (7) of the stem (6). .
  • the propellant that has flowed into the injection hole (7) of the stem (6) is filled into the aerosol container (2) through the orifice (30) of the stem (6).
  • the propellant that has flowed into the communication recess (10) of the valve opening member (4) is disposed between the communication recess (10) and the stem (6) and the sealing member (1).
  • the stem gasket (31) is expanded by the pressure of the propellant through the communication interval (40) formed between the stem (6) and the stem insertion port (35), and the stem gasket (31) and the stem (
  • the aerosol container (2) is filled after passing through the space 6).
  • the propellant can flow into the aerosol container (2) when the pressure on the supply unit side is 0.02 MPa or more higher than the pressure on the aerosol container (2) side. Therefore, when filling the propellant, in order to press the stem (51), the pressure on the supply unit side needs to be at least about 0.6 MPa or more than the pressure on the aerosol container (50) side. Compared to the case, it is possible to keep the pressure required by the propellant on the supply side at the time of filling low.
  • the injection is performed without significantly reducing the pressure of the propellant on the supply unit side that has passed through the valve member (16). It becomes possible to fill the aerosol container (2) with the propellant while keeping the pressure of the agent good. Therefore, it becomes possible to efficiently fill the aerosol container (2) with the prescribed amount of propellant. Further, since the propellant can collide with the stock solution in the aerosol container (2) at a high pressure, even when a stock solution having poor fluidity is used, the propellant to the stock solution is caused by the pressure of the propellant. It becomes possible to promote the melting of. Therefore, it is possible to prevent a significant increase in the pressure in the aerosol container (2) due to insufficient melting of the propellant, and it is possible to fill the propellant while keeping the pressure in the aerosol container (2) at an appropriate pressure. Become.
  • valve member (16) of the first embodiment is formed in a bowl shape with a bottom wall (17) and a taper portion (18) widened in a taper shape from the bottom wall (17).
  • the valve member (16) is formed of a flat plate wall (33).
  • a fitting projection (34) is formed to project from the center of the bottom surface of the flat plate wall (33), and this fitting projection (34) can be fitted to the tip opening (15) of the small flow tube (12). It is said that Therefore, the fitting protrusion (34) enables positioning so that the central portion of the valve member (16) is always located at the tip opening (15).
  • the propellant from the supply section side that has passed through the flow passage (14) passes through the communication passage (27) via the valve member (16) and flows from the communication port (13) of the small flow tube (12). It will flow into the small pipe (12). Therefore, if the pressure on the supply unit side is slightly higher than the pressure on the aerosol container (2) side, the valve member (16) does not have to be elastically deformed as in the first embodiment, and the flow pipe is moved by the movement of the valve member (16).
  • a communication passage (27) is formed between the valve member (11) and the valve member (16), and the propellant can flow into the aerosol container (2). As described above, in this embodiment, no extra pressure for elastically deforming the valve member (16) is required, so that the pressure required for filling the propellant can be minimized.
  • the pressure of the propellant is reduced without significantly reducing the pressure of the propellant on the supply unit side that has passed through the valve member (16).
  • the propellant can be filled into the aerosol container (2) in a well-maintained state, and the prescribed amount of propellant can be efficiently filled into the aerosol container (2).
  • the propellant can collide with the stock solution in the aerosol container (2) at a high pressure, even when a stock solution having poor fluidity is used, the propellant to the stock solution is caused by the pressure of the propellant. It becomes possible to promote the melting of the propellant, and it is possible to fill the propellant while maintaining an appropriate pressure without increasing the pressure in the aerosol container (2) more than necessary.
  • the lower end side of the stem (6) is inserted into the housing provided in the aerosol container (2), and the upper end side of the stem (6) is inserted through the stem.
  • the propellant filling device in the present Example 3 and Example 4 below is pre-stemmed into the aerosol container (2).
  • a so-called female valve is used in which the stem (6) formed integrally with the push button is connected to the stem insertion opening (35) of the aerosol container (2) after the filling of the stock solution and the propellant is completed without being assembled. It is used for the aerosol container (2) provided with
  • (1) is a sealing member (1) formed in a cylindrical shape, and this sealing member (1) is used as an aerosol container (2). It arrange
  • a valve opening member (4) having a substantially T-shaped cross section is connected to the upper end of the sealing member (1).
  • the valve opening member (4) includes a pressing body (36) formed in a rod shape and an annular flange (37) formed in an annular shape at the upper end of the pressing body (36).
  • the valve opening member (4) is formed with one communicating hole (8) extending in the axial direction of the valve opening member (4) from the center of the upper end to the lower end. Further, as shown in FIGS. 5 and 6, a communication recess (10) capable of communicating with the communication hole (8) is formed on the distal end surface (38) of the pressing body (36) of the valve opening member (4). The communication hole (8) is recessed in the vertical direction.
  • a cylindrical flow pipe (11) is connected to the upper surface of the valve opening member (4), and a small flow pipe is coaxially connected to the flow pipe (11) in the flow pipe (11). (12) is arranged.
  • This small flow pipe (12) is formed integrally with the flow pipe (11) at the base end side, and the inside of the small flow pipe (12) can communicate with the communication hole (8) of the valve opening member (4).
  • the distal end side of the small flow pipe (12) is disposed so as to protrude in the axial direction in the flow pipe (11) with a space from the inner peripheral surface of the flow pipe (11). (13) is formed in two places, and through this communication port (13), the flow passage (14) formed on the upper end side of the flow pipe (11) and the communication hole (8) of the valve opening member (4) are formed. Communication is possible.
  • the tip opening (15) of the small flow tube (12) is covered with a valve member (16) made of a rubber material which is an elastic material.
  • the valve member (16) is a bowl-shaped member formed by a bottom wall (17) and a tapered portion (18) that expands from the bottom wall (17) in a tapered shape, and the inner surface of the bottom wall (17).
  • an inverted conical engagement protrusion (20) is formed to protrude.
  • the valve member (16) is disposed in the distal end opening (15) of the small flow tube (12) in a state where the engaging protrusion (20) is inserted and disposed in the distal end opening (15) of the small flow tube (12). is doing.
  • the taper part (18) of the said valve member (16) will be located in the outer periphery of the front-end
  • the engaging protrusion (20) of the valve member (16) is disposed in the distal end opening (15) of the small flow tube (12) as described above, the engaging protrusion (20) causes the valve member to Positioning can be performed so that the center of (16) is always located at the tip opening (15). For this reason, it is possible to prevent displacement of the valve member (16), and the function of the valve member (16) can always be kept normal. Since the valve member (16) is formed of a rubber material as described above, the valve member (16) can be opened even when the pressure on the supply unit side is slightly high.
  • a valve seat (21) of the valve member (16) is formed in a ring shape above the flow small pipe (12).
  • a cylindrical supply pipe (22) is arranged on the outer periphery of the sealing member (1), the valve opening member (4), and the flow pipe (11). That is, a sealing member (1), a valve opening member (4), and a flow pipe (11) are inserted and arranged at the lower end of the supply pipe (22), respectively, and a supply section is placed above the flow pipe (11). A supply path (23) communicating with the air is formed.
  • a cylindrical cover member (28) is disposed on the outer periphery of the supply pipe (22) formed as described above.
  • a filling mechanism for filling a prescribed amount of propellant in the filling apparatus of the present embodiment configured as described above will be described below.
  • the aerosol container (2) of this embodiment is already filled with a certain amount of propellant and stock solution.
  • the supply unit (not shown) stores a predetermined amount of filler for filling the aerosol container (2) in advance.
  • the aerosol container (2) is filled with the propellant by impact filling.
  • the equilibrium pressure is maintained while shaking the aerosol container (2). It is also possible to fill the propellant by so-called equilibrium pressure filling, in which the aerosol container (2) is filled with the propellant.
  • the distal end side of the pressing body (36) of the valve opening member (4) provided in the filling device is connected to the stem insertion port (35) as shown in FIG. ) Enter the inside of the aerosol container (2). Therefore, the valve member (44) constituting the valve mechanism of the aerosol container (2) is pressed downward by the distal end surface (38) of the pressing body (36) of the valve opening member (4).
  • the outer diameter of the pressing body (36) is made larger than the inner diameter of the stem insertion opening (35) so that the pressing body (36) of the valve opening member (4) can be inserted into the stem insertion opening (35). Small diameter.
  • the valve member (44) is caused by the distal end surface (38) of the valve opening member (4).
  • the valve member (44) is moved downward and the stem gasket (31) is elastically deformed.
  • the stem insertion port (35) closed by the stem gasket (31) and the valve member (44) of the aerosol container (2) is opened.
  • the valve mechanism of the aerosol container (2) is opened, and the flow passage (14) and the inside of the aerosol container (2) are connected to the communication hole (8) of the valve opening member (4). And it will communicate via a communication recessed part (10).
  • the valve mechanism can be opened by the mechanical action of the valve opening member (4).
  • the valve mechanism is independent of the pressure of the propellant on the supply side and the pressure required to press the stem (6) that differs for each aerosol container (2).
  • a prescribed amount of propellant from the supply unit can be reliably pressurized and filled into the aerosol container (2). Therefore, it is possible to prevent variations in the amount of the propellant filled in the aerosol container (2) after filling with the propellant.
  • the valve mechanism is opened mechanically as described above, the aerosol from the supply part is filled in the aerosol container (2) with almost no resistance from the spring (32) or the stem gasket (31). can do. Therefore, it is possible to make contact with the stock solution in the aerosol container (2) without significantly reducing the pressure of the propellant from the supply side, so when the stock solution with poor fluidity is filled in the aerosol container (2) Even so, it becomes possible to promote the dissolution of the propellant into the stock solution by the pressure of the propellant.
  • the pressure in the aerosol container (2) is temporarily supplied immediately after the valve mechanism is opened.
  • the pressure is higher than the pressure on the part side, and the propellant and the stock solution in the aerosol container (2) flow back to the supply part side.
  • the valve member (16) provided in the flow pipe (11) is pressed to the valve seat (21) side by the pressure of the propellant from the aerosol container (2) side.
  • the taper part (18) of the valve member (16) is elastically deformed and comes into close contact with the valve seat (21).
  • the propellant from the supply section side that has passed through the flow passage (14) passes through the communication passage (27) via the valve member (16) and flows from the communication port (13) of the small flow tube (12). It will flow into the small pipe (12).
  • the propellant flowing into the small flow pipe (12) passes through the communication hole (8) and the communication recess (10) of the valve opening member (4), and is filled into the aerosol container (2).
  • the propellant can flow into the aerosol container (2) when the pressure on the supply unit side is 0.02 MPa or more higher than the pressure on the aerosol container (2) side. Therefore, when filling the propellant, in order to press the stem (41), the pressure on the supply unit side needs to be at least about 0.6 MPa or more than the pressure on the aerosol container (40) side. Compared to the case, it is possible to keep the pressure required by the propellant on the supply side at the time of filling low.
  • the injection is performed without significantly reducing the pressure of the propellant on the supply unit side that has passed through the valve member (16). It becomes possible to fill the aerosol container (2) with the propellant while keeping the pressure of the agent good. Therefore, it becomes possible to efficiently fill the aerosol container (2) with the prescribed amount of propellant. Further, since the propellant can collide with the stock solution in the aerosol container (2) at a high pressure, even when a stock solution having poor fluidity is used, the propellant to the stock solution is caused by the pressure of the propellant. It becomes possible to promote the melting of the propellant, and it is possible to fill the propellant while maintaining an appropriate pressure without increasing the pressure in the aerosol container (2) more than necessary.
  • the sealing member (1) is disposed on the outer periphery of the valve opening member (4).
  • an aerosol container ( 2) Communication between the inside and the flow passage (14) is performed only by the communication hole (8) and the communication recess (10) of the valve opening member (4). Therefore, in the first and second embodiments, in addition to the communication hole (8) and the communication recess (10) of the valve opening member (4), the valve opening member (4) is formed between the stem insertion port (35).
  • the aerosol contents are circulated between the aerosol container (2) and the flow passage (14).
  • Example 3 the aerosol in the communication interval (40) is used. The contents are not distributed. Therefore, when the valve opening member (4) of Example 3 is assembled, the sealing between the valve opening member (4) and the stem insertion opening (35) of the aerosol container (2) is not necessarily sealed. It is not necessary to provide the member (1).
  • annular fixing member (45) is provided on the bottom surface of the annular flange (37) of the valve opening member (4) as shown in FIG. 22) is fixedly arranged on the lower end side.
  • the fixing member (45) is fixedly disposed on the supply pipe (22) via the annular flange (37), so that the valve opening member (4) is interposed between the flow pipe (11) and the fixing member (45).
  • An annular rod (37) is connected and fixed to the inner periphery of the supply pipe (22).
  • the bottom of the fixing member (45) avoids contact between the bottom of the fixing member (45) and the rising portion (41) formed at the center of the lid (25) of the aerosol container (2). Therefore, a bottom-side recess (42) having an inner diameter larger than the outer diameter of the rising portion (41) is formed.
  • the aerosol container (2) is connected to the filling device of the present embodiment, and the aerosol container (2) is formed on the inner peripheral surface of the expanded portion (43) formed in a tapered shape on the lower end side of the cover member (28).
  • the distal end side of the pressing body (36) of the valve opening member (4) provided in the filling device is inward of the aerosol container (2) from the stem insertion port (35). Enter. Therefore, the valve member (44) constituting the valve mechanism of the aerosol container (2) is pressed downward by the tip surface (38) of the pressing body (36) of the valve opening member (4) shown in FIG. Become.
  • valve member (44) is pressed by the tip end surface (38) of the valve opening member (4), so that the stem gasket (31) and the valve member of the aerosol container (2) are the same as in the third embodiment.
  • the stem insertion port (35) closed at (44) is opened by the downward movement of the valve member (44) and the elastic deformation of the stem gasket (31), so that the valve mechanism of the aerosol container (2) is opened. The valve will be opened.
  • the inside of the aerosol container (2) and the flow passage (14) of the flow pipe (11) are connected to the communication hole (8) and the communication concave portion (4) of the valve opening member (4). 10). Then, the aerosol contents can be distributed from the flow passage (14) into the aerosol container (2) or from the aerosol container (2) to the flow passage (14), and the filling operation of the propellant can be performed efficiently. Can do.

Landscapes

  • 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)
  • Vacuum Packaging (AREA)
PCT/JP2010/001688 2009-12-09 2010-03-10 噴射剤の充填装置 WO2011070690A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201080031141XA CN102470938B (zh) 2009-12-09 2010-03-10 喷射剂的填充装置
JP2011545045A JP5314766B2 (ja) 2009-12-09 2010-03-10 噴射剤の充填装置
EP10835622.1A EP2511184B1 (en) 2009-12-09 2010-03-10 Propellant filling device
KR1020117015705A KR101301732B1 (ko) 2009-12-09 2010-03-10 분사제의 충진장치
US13/496,078 US8863786B2 (en) 2009-12-09 2010-03-10 Propellant filling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-279057 2009-12-09
JP2009279057 2009-12-09

Publications (1)

Publication Number Publication Date
WO2011070690A1 true WO2011070690A1 (ja) 2011-06-16

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US (1) US8863786B2 (ko)
EP (1) EP2511184B1 (ko)
JP (1) JP5314766B2 (ko)
KR (1) KR101301732B1 (ko)
CN (1) CN102470938B (ko)
WO (1) WO2011070690A1 (ko)

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US20120168027A1 (en) 2012-07-05
US8863786B2 (en) 2014-10-21
JPWO2011070690A1 (ja) 2013-04-22
EP2511184A1 (en) 2012-10-17
JP5314766B2 (ja) 2013-10-16
KR101301732B1 (ko) 2013-08-28
CN102470938A (zh) 2012-05-23
CN102470938B (zh) 2013-06-05
KR20110112324A (ko) 2011-10-12
EP2511184A4 (en) 2014-12-03
EP2511184B1 (en) 2016-03-02

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