JP2016113195A - Jet container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a jet container having a novel structure, excellent in operation ability while reducing a residual amount of a content.SOLUTION: A jet container comprises: a container body 2 which is a cylindrical shape; a bottom lid part 3 for sealing a lower end opening of the container body 2; an upper valve 4 for sealing an upper end opening of the container body 2, so as to open and close the upper end opening freely; a nozzle head 5 to be attached to the upper valve 4; and an inner tray 6 disposed in the container body 2 so as to slide vertically freely, and partitioning an inner space of the container body 2 into an upper chamber 25 for storing a content, and a lower chamber 26 in which a jetting agent is filled in a high pressure state. The bottom lid part 3 comprises a filling opening for filling the jetting agent, and a lower valve 7 for sealing the filling opening so as to open and close the filling opening freely. The inner tray 6 comprises a slide cylindrical part, a partition wall, and a support part. By pressing down the nozzle head 5, the upper valve 4 is released, and the content which is pressed up by the jetting agent in the lower chamber 26 via the inner tray 6, is jetted from the jetting port of the nozzle head.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an ejection container for ejecting contents contained in a container.

  2. Description of the Related Art Conventionally, containers for containing contents and ejecting liquids, mists, foams, and the like have been used not only in the cosmetic field such as cosmetics but also in the medical field and food field.

  As such an ejection container, for example, as described in Patent Document 1, a container main body that contains the contents and the injection gas in a high-pressure state, a valve that opens and closes an upper opening of the container main body, a valve to the container main body With a pipe that extends inside and sucks up the contents, and a nozzle head that is attached to the valve, the container body is filled with the contents and high-pressure jet gas, and the valve is released by pushing down the nozzle head. An aerosol container is known in which contents are ejected from a spout provided in a nozzle head via a pipe extending inside the container body.

  However, in the conventional aerosol container, the propellant gas and the contents are accommodated in the same space. For example, the tip of the pipe is not in contact with the contents by inclining or inclining the container. In the case where the gas cannot be sucked up or the container is shaken or not shaken before use, only the injected gas may be expelled unnecessarily without the contents. Therefore, there is a problem that the balance between the amount of the contents and the amount of the injected gas is lost in the process of use, and the injected gas disappears before the contents, so that the contents remain relatively large. .

Therefore, as a container capable of reducing the remaining amount of the contents, for example, as described in Patent Document 2, a container having an ascending middle dish, and a pump-like ejector attached to the mouth There has been proposed an ejection container having a configuration including: In this container, the space above the ascending pan, that is, the space surrounded by the lower surface of the shoulder provided at the upper end of the trunk, the inner peripheral surface of the trunk, and the upper surface of the ascending pan However, it is a storage room for storing the contents. The outer peripheral surface of the rising type intermediate pan is in fluid-tight contact with the inner peripheral surface of the container body, and the rising type intermediate pan is provided so as to be movable in the container axial direction along the inner peripheral surface of the container. It has been. In the ejection container having such a configuration, when the contents in the accommodation chamber are ejected by the pump-like ejector, the ascending-type inner tray is caused by the negative pressure as the accommodation amount of the contents in the accommodation chamber decreases. Moves to the mouth side, and the internal volume of the storage chamber is reduced.
Thereby, the contents can be sucked up from the lower end of the ejector and ejected to the outside.

Japanese Patent Laid-Open No. 07-206056 JP 2004-255326 A

  However, in the above-described ejection container having the rising-type intermediate dish that rises as the contents are ejected, the ascending type is used to ensure the sealability between the outer peripheral surface of the rising-type intermediate dish and the inner peripheral surface of the container body. It is necessary to increase the contact force between the outer peripheral surface of the intermediate dish and the inner peripheral surface of the container body. As a result, the frictional resistance between the outer peripheral surface of the ascending-type intermediate pan and the inner peripheral surface of the container body increases, and the elevating-type intermediate pan becomes difficult to move, which may cause defective discharge. Further, since the pump is driven by the vertical movement of the operating member, the contents cannot be continuously ejected, and the operating member must be repeatedly moved up and down to discharge a large amount of the contents. There was room for improvement in operability.

  Therefore, an object of the present invention is to provide an ejection container having a new structure that is excellent in operability while reducing the remaining amount of contents.

The present invention has been made in order to solve the above problems, and the ejection container of the present invention comprises a cylindrical container body,
A bottom lid for sealing the lower end opening of the container body;
An upper valve for opening and closing the upper end opening of the container body;
A nozzle head attached to the upper valve;
An inner plate that is slidably arranged inside the container main body, and divides the internal space of the container main body into an upper chamber for storing contents and a lower chamber filled with a propellant in a high-pressure state; With
The bottom lid portion has a filling opening for filling the propellant, and a lower valve for sealing the filling opening so as to be opened and closed,
The inner plate has a sliding cylinder portion disposed inside the container main body, a partition wall covering an upper portion of the sliding cylinder portion, and hangs down from the partition wall inside the sliding cylinder portion, and the sliding cylinder A support part that protrudes downward from the part and contacts the upper surface of the bottom lid part in the initial state before filling the contents and the propellant,
The upper valve is released by depressing the nozzle head, and the contents pushed up by the propellant in the lower chamber through the inner plate are ejected from the ejection port of the nozzle head. It is characterized by that.

  Moreover, in the ejection container of this invention, it is preferable that the ratio of the volume of the said upper chamber and the said lower chamber can be changed by changing the height of the said support part.

  Moreover, in the ejection container of this invention, it is preferable that the said support part is formed with the ventilation groove | channel through which a propellant can pass.

  Moreover, in the ejection container of this invention, it is preferable in the said initial state that the ratio of the volume of the said upper chamber and the said lower chamber is 2: 8-8: 2.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the ejection container of the new structure which was excellent in operativity, aiming at reduction of the remaining amount of the content.

It is sectional drawing in the side view of the ejection container which is one Embodiment of this invention. It is the elements on larger scale of the ejection container of FIG. It is the elements on larger scale of the ejection container of FIG. (A) is the elements on larger scale of the ejection container which is other embodiment of this invention, (b) is the elements on larger scale of the ejection container which is further another embodiment.

  Hereinafter, the present invention will be described in more detail with reference to the drawings. In the present specification, claims, and abstract, “upper” means the side where the upper valve is located with respect to the container body along the central axis C of the ejection container, and “lower” means The other side.

  FIG. 1 is a cross-sectional view in a side view of an ejection container 1 according to an embodiment of the present invention. The ejection container 1 is attached to a cylindrical container body 2, a bottom lid portion 3 that seals the lower end opening of the container body 2, an upper valve 4 that seals the upper end opening of the container body 2, and the upper valve 4. The nozzle head 5 and the inner tray 6 slidably disposed inside the container body 2 are provided.

  In the present embodiment, the container body 2 for storing contents such as cosmetics is formed from a cylindrical body portion 21, a shoulder portion 22 that extends above the body portion 21 and extends radially inward, and an inner edge portion of the shoulder portion 22. It is comprised by the cylindrical opening part 23 extended upwards. In addition, the shape of the container main body 2 will not be specifically limited if it has comprised the cylinder shape as a whole.

  As shown in FIGS. 1 and 2, the bottom cover portion 3 has a cylindrical side wall 31 disposed inside the trunk portion 21 and a top wall 32 covering the inside of the side wall 31. An outer screw portion 31 a is provided on the outer peripheral surface of the side wall 31, and the bottom lid portion 3 is attached to and detached from the container body 2 by engaging with the inner screw portion 21 a formed on the inner peripheral surface of the body portion 21. Hold as possible. Further, an O-ring 31b made of an elastic material fitted in a concave portion on the outer peripheral surface is provided above the outer screw portion 31a to prevent the propellant from leaking between the side wall 31 and the body portion 21. doing. A flange 31 c that extends outward is provided at the lower end of the side wall 31, and the upper surface of the flange 31 c abuts on the lower end surface of the body portion 21. In addition, in this embodiment, although it is set as the structure which fixes the bottom cover part 3 and the container main body 2 by screw engagement, it is not limited to this, For example, it is good also as a structure fixed by undercut fitting. In any case, the bottom lid 3 is firmly fixed to the container body 2 in order to seal the lower end opening of the container body 2 in an airtight state.

  A filling opening 32a for filling the propellant is formed in the top wall 32, and a cylindrical holding cylinder portion 33 hanging from the top wall 32 is provided so as to surround the filling opening 32a. A lower valve 7 that seals the filling opening 32a so as to be openable and closable is mounted inside the holding cylinder portion 33 so as to be movable up and down along the central axis C.

  Here, the left side of the central axis C in FIG. 2 represents a released state in which the lower valve 7 is pushed up from below by the nozzle A of the gas cylinder for gas filling, and the right side of the central axis C is the same as FIG. The lower valve 7 is shown in a closed state. The lower valve 7 includes a disk-shaped top wall 71, a connecting portion 72 that hangs down from the top wall 71, and a flange portion 73 provided at the lower end of the connecting portion 72. An O-ring 74 for sealing the filling opening 32 a by the lower valve 7 is provided on the outer peripheral surface of the top wall 71. The connecting portion 72 is provided intermittently around the central axis C, and the propellant passes through the gap between the connecting portions 72 when filling with the propellant.

  The lower valve 7 protrudes from the inner surface of the holding cylinder portion 33 and is held in a vertical direction by a claw portion 33 a that engages with the top wall 71 or the flange portion 73.

  Moreover, the bottom cap part 3 is detachably provided with a bottom cap 34 that is attached after the propellant is filled. The bottom cap 34 includes a bottom plate 34 a and a protruding cylinder 34 b that protrudes from the bottom plate 34 a and is fitted to the inner surface of the lower end portion of the side wall 31.

  As shown in FIGS. 1 and 3, the upper valve 4 includes a cylindrical housing 41 having a flange 41 a and a stem 42 provided on the radially inner side of the housing 41 so as to be vertically movable in the axial direction. A packing 43 is disposed between the flange 41 a and the upper end surface of the mouth portion 23. The housing 41 is fixed to the mouth 23 by a mounting cap 44 that covers the flange 41 a and the outer periphery of the mouth 23.

  A coil spring 45 is disposed inside the housing 41 and urges the stem 42 upward. Further, at the center of the stem 42, an ejection passage 42a extending in the axial direction and a communication passage 42b extending in the radial direction and communicating with the ejection passage 42a are provided. The housing 41 is provided with an annular stem rubber 46 that is disposed inside a protrusion 41b that protrudes upward from the flange 41a and seals the communication passage 42b in a liquid-tight manner. When the stem 42 is pushed down against the biasing force of the coil spring 45 from the state shown in FIG. 1, the sealing of the communication path 42 b by the stem rubber 46 is released.

  The mounting cap 44 is made of, for example, an aluminum alloy. In the present embodiment, the mounting cap 44 includes an upper surface portion 44a having an insertion hole into which the stem 42 is inserted, and a cylindrical skirt portion 44b continuously provided downward from the peripheral edge of the upper surface portion 44a. And an engaging portion 44c formed by bending the lower end of the skirt portion 44b. The structure of the upper valve 4 is not particularly limited as long as the upper end opening of the container body 2 is sealed and the passage of the contents can be opened and closed, and a known valve mechanism can be used.

  As shown in FIG. 3, in the present embodiment, a fixed plate 8 is fixed to the ejection container 1. The fixed platen 8 includes a cylindrical fitting portion 81 that is fitted to the outside of the mounting cap 44, an inclined portion 82 that extends while being inclined downward from the upper end of the fitting portion 81 toward the radially outer side, and an inclined portion 82. The middle cylinder part 83 hangs down from the outer end of the middle cylinder part 83, and the lower cylinder part 84 having a larger diameter than the middle cylinder part 83 and extending downward from the lower end of the middle cylinder part 83 through the stepped part. On the inner surface of the fitting portion 81, an upper locking projection 81 a that contacts the upper surface portion 44 a of the mounting cap 44 and a lower locking projection 81 b that engages with the engagement portion 44 c are provided. The fixed platen 8 is configured to be engaged and held by the ejection container 1 by being sandwiched vertically.

  An overcap 9 is detachably attached to the fixed platen 8. The overcap 9 has a cylindrical side wall 91 and a top wall 92 that covers the upper end of the side wall 91, and engages with a protrusion 83 a provided on the outer peripheral surface of the middle cylinder portion 83 on the inner surface of the lower end portion of the side wall 91. An engaging projection 91a is provided.

  The nozzle head 5 includes a fitting cylinder portion 51 fitted to the upper end of the stem 42, an outer cylinder 52 outside the fitting cylinder portion 51, and a nozzle 53 protruding forward from the outer cylinder 52. The contents that have passed through the inside of the stem 42 and the fitting cylinder portion 51 are ejected from a spout 54 that is a tip opening of the nozzle 53. The shape of the nozzle head 5 is not particularly limited.

  The inner tray 6 is slidably disposed inside the barrel portion 21, and the inner space of the container body 2, the upper chamber 25 for storing the contents, and the lower chamber 26 filled with the propellant in a high pressure state. Divide into In the present embodiment, the inner tray 6 includes a sliding cylinder portion 61 disposed inside the trunk portion 21, a partition wall 62 that covers the upper portion of the sliding cylinder portion 61, and a partition wall 62 that is located inside the sliding cylinder portion 61. It has a cylindrical support portion 63 that hangs down and projects downward from the sliding cylinder portion 61. An annular convex portion 61a is provided on the outer peripheral surface of the sliding cylinder portion 61, and the convex portion 61a is brought into contact with the inner peripheral surface of the body portion 21, whereby the propellant in the lower chamber 26 is allowed to flow into the upper chamber. 25 and the contents of the upper chamber 25 are prevented from flowing into the lower chamber 26. Moreover, in this embodiment, the connection part from the sliding cylinder part 61 to the partition 62 is made into the rounded curved shape. Accordingly, it is possible to prevent the inner tray 6 from being deformed due to the internal pressure and to cause a malfunction, and the outer peripheral surface of the sliding cylinder portion 61 is formed using the pressure of the propellant filled in the lower chamber 26. It can be pressed against the inner peripheral surface of the portion 21 to improve the airtightness. Further, the diameter is gradually reduced from the sliding cylinder portion 61 toward the partition wall 62 so that the inner tray 6 can be easily inserted into the container body 2. In the present embodiment, the sliding cylinder portion 61 and the partition wall 62 define the upper chamber 25 and the lower chamber 26, and the support portion 63 has a bottom lid portion in an initial state before filling the contents and the propellant. The sliding cylinder 61 and the partition wall 62 are supported in contact with the upper surface of 3.

  Further, the support portion 63 has a larger diameter than the filling opening 32a and is disposed so as to surround the outside of the filling opening 32a. At the lower end portion of the support portion 63, the ventilation grooves 63a are formed at four locations in the circumferential direction, and when the propellant is filled from the filling opening 32a in the state shown in FIG. The propellant can pass through 63a.

  The shape of the inner tray 6 is not particularly limited as long as it is slidably disposed inside the container body 2 and partitions the upper chamber 25 and the lower chamber 26. For example, the inner tray 6 has a flat plate shape. It is also possible.

  In the ejection container 1 having the above-described configuration, when the lower chamber 26 is filled with the propellant, the contents of the upper chamber 25 are filled in advance and the bottom cap 34 is removed, and the bottom lid 3 The propellant is filled from the filling opening 32a. At that time, as shown in FIG. 2, for example, when a compressed gas is injected as a propellant, a nozzle A such as a gas cylinder is inserted from the lower side of the lower valve 7 to the inside of the connecting portion 72 in the radial direction, and the lower valve 7 is Push up. When the lower valve 7 is pushed up, the filling opening 32a is released as shown on the left side of the central axis C in FIG. The compressed gas flowing out from the tip opening of the nozzle A passes through the filling opening 32 a through the gap between the connecting portions 72 and is filled into the lower chamber 26. When the nozzle A is pulled downward after the completion of filling, the lower valve 7 moves downward together with the nozzle A, and the filling opening 32a is sealed by the lower valve 7. Thereafter, by attaching the bottom cap 34, the lower valve 7 cannot be contacted from the outside, and the filling opening 32a is prevented from being released. The order in which the propellant and the contents are filled is not particularly limited, and the upper chamber 25 can be filled with the contents after the lower chamber 26 is filled with the propellant first.

  In a state where the upper chamber 25 is filled with the contents and the lower chamber 26 is filled with the propellant, a force in the upward direction is applied to the inner tray 6 by the pressure of the propellant. When the nozzle head 5 is pushed down in this state, the upper valve 4 is released and the content is ejected from the ejection port 54 of the nozzle head 5. As the contents in the upper chamber 25 decrease due to the ejection of the contents, the inner tray 6 rises. For this reason, when the contents are ejected, the volume of the upper chamber 25 gradually decreases and the volume of the lower chamber 26 increases. When the ejection of the contents proceeds, the inner tray 6 finally rises to a position indicated by a two-dot chain line in FIG.

  As described above, in the ejection container 1 of the present embodiment, the upper chamber 25 and the lower chamber 26 are partitioned by the inner tray 6 and only the contents of the upper chamber 25 are ejected. There is no need to squirt outside. For this reason, if the amount of the contents and the amount of the propellant are set in an appropriate balance in advance, this balance will not be lost in the process of use, so the contents should be ejected as expected to the end. Can do. Thereby, the remaining amount of contents can be reduced. In addition, by adopting a configuration in which the inner tray 6 is pushed up by the pressure of the propellant filled in the lower chamber 26, the contents can be ejected with a light force as compared with the case where the inner tray is sucked up together with the contents by a pump-like ejector. In addition, there is no possibility that the inner tray 6 does not rise and discharge failure occurs. Furthermore, since the contents are continuously ejected while the nozzle head 5 is pushed down, there is no need to repeatedly move the operating member up and down as in the case of using a pump-like ejector, and the operability is excellent. Yes.

  Moreover, in the ejection container 1 of this embodiment, the ratio of the volume of the upper chamber 25 and the lower chamber 26 is changed suitably by changing the height along the central axis C of the support part 63 provided in the inner tray 6. Can be changed. That is, as the axial height of the support portion 63 is higher, the volume of the upper chamber 25 is smaller and the volume of the lower chamber 26 is larger.

  Here, in the initial state before filling the contents and the propellant, the volume ratio of the upper chamber 25 that contains the contents and the lower chamber 26 that contains the propellant is 2: 8 to 8: 2. Preferably there is. This makes it possible to stabilize the ejection of the contents within the range, and the contents remain when the proportion of the lower chamber 26 is smaller than 20% of the internal space of the container body 2. This is because there is a fear. In the present embodiment, the volume ratio of the upper chamber 25 and the lower chamber 26 is set to 6.5: 3.5. If the upper chamber 25 is filled with the contents and the lower chamber 26 is filled with the propellant, the contents in the upper chamber 25 may be compressed by the pressure of the propellant, and the inner tray 6 may rise. The preferred range relating to the volume ratio of the upper chamber 25 and the lower chamber 26 described above also applies to this case.

  Further, in the ejection container 1 of the present embodiment, the ventilation groove 63a is formed at the lower end portion of the support portion 63, so that when the propellant is filled from the filling opening 32a, the ventilation groove 63a is passed. Thus, the propellant can be easily distributed throughout the lower chamber 26.

  Moreover, in the ejection container 1 of this embodiment, it is preferable that the upper surface shape of the inner tray 6 corresponds to the upper inner surface shape of the container body 2. According to this, the volume of the upper chamber 25 formed between the upper surface of the intermediate plate 6 and the inner surface of the container body 2 when the intermediate plate 6 rises to the maximum is reduced, and the remaining amount of contents is further reduced. Can be reduced.

  Moreover, in the ejection container 1 of this embodiment, by providing the bottom cap 34, it is possible to prevent the lower valve 7 from being released after filling with the propellant.

  Moreover, when discarding the ejection container 1 of this embodiment, after removing the bottom cap 34, the remaining propellant can be easily extracted by pushing up the lower valve 7 using, for example, a jig or the like. So it is easy to discard.

  Moreover, in the ejection container 1 of this embodiment, it is preferable that the outer peripheral surface of the opening part 23 is provided with the vertical groove 23a used as an explosion-proof mechanism, as shown in FIG. Thereby, for example, when the internal pressure of the ejection container 1 rises abnormally in a high temperature environment, the longitudinal groove 23a functions as a gas passage leaking from the inside, and the internal pressure is gradually reduced while preventing the container body from bursting. It becomes possible to make it. In the present embodiment, only one straight vertical groove 23a is provided, but the shape and number of the vertical grooves 23a are not limited to this.

  Fig.4 (a) shows the ejection container 100 which is other embodiment of this invention. In the present embodiment, the filling opening 32a is sealed so as to be openable and closable by using an umbrella valve 107 which is a check valve as a lower valve provided in the bottom lid 3. In addition, it is not limited to the umbrella valve 107, It is also possible to employ | adopt various check valves.

  The umbrella valve 107 according to the present embodiment includes a columnar shaft portion 107a and an umbrella portion 107b that expands from the upper end of the shaft portion 107a. The shaft portion 107 a is held by a holding portion 33 b that protrudes from the inner surface of the holding cylinder portion 33. Moreover, the outer surface of the umbrella part 107b is contact | abutted to the internal peripheral surface of the filling opening 32a, and, thereby, the filling opening 32a is sealed.

  Moreover, the umbrella part 107b is set as the structure elastically deformed toward a radial inside by the pressure at the time of filling a propellant. Thereby, the movement of the propellant from the lower end opening side of the holding cylinder part 33 to the lower chamber 26 is allowed, while the movement of the propellant from the lower chamber 26 to the lower side of the holding cylinder part 33 can be prevented.

  FIG. 4B shows an ejection container 200 that is still another embodiment of the present invention. The ejection container 200 has a cylindrical wall portion 35 that protrudes upward from the top wall 32 of the bottom lid portion 3 and a top wall portion 36 that closes the upper end of the cylindrical portion, and the cylindrical wall portion 35 is filled with a propellant. A filling opening 35a is formed. A check valve 37 made of an elastic material such as rubber is provided outside the cylindrical wall portion 35. The check valve 37 seals the filling opening 35a when the contents are ejected, and is displaced radially outward when the propellant is filled to open the filling opening 35a. That is, in the present embodiment, the check valve 37 functions as a lower valve and seals the filling opening 35a so that it can be opened and closed. The number and shape of the filling openings 35a and the shape of the check valve 37 are not particularly limited, and can be set as appropriate.

  Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope of the claims. For example, the type of contents It is also possible to change the positions and orientations of the nozzles 53 and the jet outlets 54 in the nozzle head 5 according to the jet form.

DESCRIPTION OF SYMBOLS 1 Jetting container 2 Container main body 3 Bottom cover part 4 Upper valve 5 Nozzle head 6 Middle dish 7 Lower valve 8 Fixing board 9 Overcap 21 Trunk part 21a Inner thread part 22 Shoulder part 23 Mouth part 23a Vertical groove 24 Lower end opening 25 Upper chamber 26 Lower chamber 31 Side wall 31a External thread part 31b O-ring 32 Top wall 32a Filling opening 33 Holding cylinder part 33a Claw part 34 Bottom cap 35 Cylindrical wall part 35a Filling opening 36 Top wall part 37 Check valve 41 Housing 41a Flange 41b Protruding part 42 Stem 42a Ejection passage 42b Communication passage 43 Packing 44 Mounting cap 45 Coil spring 46 Stem rubber 51 Fitting cylinder part 52 Outer cylinder 53 Nozzle 54 Jet outlet 61 Sliding cylinder part 61a Convex part 62 Partition 63 Support part 63a Ventilation groove 71 Top Wall 72 Connecting portion 73 Flange portion 74 O 81 Engaging portion 81a Upper locking projection 81b Lower locking projection 82 Inclined portion 83 Middle cylinder portion 83a Projection 84 Lower cylinder portion 91 Side wall 91a Engaging projection 92 Top wall 100 Ejecting container 107 Umbrella valve 107a Shaft portion 107b Umbrella portion 200 Spout container

Claims (4)

A cylindrical container body,
A bottom lid for sealing the lower end opening of the container body;
An upper valve for opening and closing the upper end opening of the container body;
A nozzle head attached to the upper valve;
An inner plate that is slidably arranged inside the container main body, and divides the internal space of the container main body into an upper chamber for storing contents and a lower chamber filled with a propellant in a high-pressure state; With
The bottom lid portion has a filling opening for filling the propellant, and a lower valve for sealing the filling opening so as to be opened and closed,
The inner plate has a sliding cylinder portion disposed inside the container main body, a partition wall covering an upper portion of the sliding cylinder portion, and hangs down from the partition wall inside the sliding cylinder portion, and the sliding cylinder A support part that protrudes downward from the part and contacts the upper surface of the bottom lid part in the initial state before filling the contents and the propellant,
The upper valve is released by depressing the nozzle head, and the contents pushed up by the propellant in the lower chamber through the inner plate are ejected from the ejection port of the nozzle head. , Spout container.   The ejection container of Claim 1 which can change the ratio of the volume of the said upper chamber and the said lower chamber by changing the height of the said support part.   The ejection container according to claim 1, wherein a vent groove through which the propellant can pass is formed in the support portion.   The ejection container according to any one of claims 1 to 3, wherein, in the initial state, a volume ratio between the upper chamber and the lower chamber is 2: 8 to 8: 2.

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