JPH03162273A - Pressure-discharge container for fluid substance - Google Patents

Abstract

PURPOSE:To maintain discharge pressure for a content by a method wherein a plurality of substances which generate a gas by mixing are separately stored in a pressure resistance container. CONSTITUTION:The inside of an airtight cap body 6 is divided in two sections, a first storage part 10 and second storage part 11, by a partitioning 9 which is located at the center of the airtight cap body 6, and in both storage parts 10, 11, substances which generate a gas by being mixed are respectively and separately stored. When a fluid substance 20 is filled in a space 19 from the top of this type of pressure resistant container 1, the internal pressure of the space 19 increases by the filling pressure of the fluid substance, and an airtight rising valve 15 once descends while sliding along the inner wall of an outer shell 2. Then the tips of claws 18 penetrate a thin film material 14 and break the film, and sealing of the first storage part 10 and second storage part 11 is released, and a condition in which a first substance 12 and second substance 13 are mixable is given. Therefore, the first and second substances 12, 13 can be made to flow out of the storage parts assuredly and can be mixed. By this method, the discharge pressure is maintained.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention stores fluid substances such as gases and liquids in a pressure-tight container under pressure, and releases the sealing of the pressure-tight container when necessary. This invention relates to a pressurized discharge container that discharges a fluid substance to the outside.

<<Prior Art>> Conventionally, various types of spray containers using fluorocarbon gas as a pressure medium have been widely used as containers of this type. However, it has become known that fluorocarbon gas destroys the ozone layer in the atmosphere, and there is a sudden movement to completely abolish fluorocarbon gas in order to protect the global environment, and there is a strong desire to develop a pressurizing means to replace fluorocarbon gas in spray containers. There is.

As an example of this pressurizing means, a structure recently adopted for cosmetic spray containers is such that a balloon-shaped inflatable plastic container is suspended inside a pressure-resistant container, and a balloon-shaped inflatable plastic container is placed around the plastic container. An inflatable thick-walled rubber container is provided, liquid or cream cosmetics are filled into the plastic container from the outside of the pressure-resistant container under high pressure, and the rubber container is expanded as the plastic container expands. The pressure-resistant container is sealed while maintaining the expansion of the rubber container, and when necessary, for example, by pressing a nozzle stopper at the upper end of the pressure-resistant container, the cosmetic is discharged from the plastic container to the outside.

《The problem that Masaaki is trying to solve》 However, in such conventional dispensing containers, the rubber container must be made into an extremely thick bag, and therefore it is extremely difficult to fill it with fluid substances such as cosmetics. High pressure is required, and new expensive equipment is required in addition to the conventional filling equipment for fluid substances. In addition, since the rubber container is thick, the internal volume is small, and the amount of fluid substance filled is significantly reduced compared to conventional containers. Furthermore, there is a drawback that the discharge pressure decreases during repeated use.

The present invention was made in view of the above-mentioned drawbacks, and its purpose is to form a pressurizing means without using fluorocarbon gas, and to have a relatively large internal volume of a fluid substance as a content. , and adjust the internal pressure appropriately depending on the contents.
As it is changeable, the discharge pressure can be maintained at a high level until the end of the discharge of the contents, and by using the pressure of filling the fluid substance, the separation of multiple substances is released and mixed, thereby generating gas. Another object of the present invention is to provide a pressurized discharge container for a flowable substance that can increase the discharge pressure.

<<Means for Solving the Problems>> In order to achieve the above object, in the pressurized discharge container for a fluid material according to the present invention, the fluid material is sealed and stored in a pressure-resistant container under pressure, and the required amount is In a pressurized discharge container in which the seal of the pressure container is released and a fluid substance is discharged to the outside, a means is provided for isolating and storing multiple substances that generate gas when mixed inside the pressure container. An airtight rising valve is installed above the airtight rising valve so as to be able to slide freely in the vertical direction, and a means is provided for releasing the separation of multiple substances by the filling pressure generated when a fluid substance is filled in the pressure vessel above the airtight rising valve. The structure was designed so that

(Function) When a fluid substance is filled into the pressure vessel from above, the airtight upper valve is lowered by the filling pressure of the fluid substance, and a means for separating multiple substances is activated. This allows the multiple substances to be mixed.

Next, when the plurality of substances are mixed to generate gas, the pressure of the gas causes the airtight rising valve to rise, thereby increasing the internal pressure within the pressure vessel.

In this state, when a part of the pressure container is opened during use, the fluid substance inside is discharged to the outside due to the internal pressure.

<<Embodiments>> Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 3 show a pressurized discharge container for a fluid substance according to a first embodiment of the present invention, in which numeral 1 indicates a pressure-resistant container made of resin, and numeral 2 indicates its outer shell. This outer shell 2 is a cylindrical body with an open bottom, and its upper surface is sealed with a lid member 3. A push button 4a and a shaft 4 are located in the center of the lid member 3.
A known spray mechanism 4 is provided, which includes a nozzle 4C, a spring 4d, a cavity 4e, and a nozzle hole 4f.

Further, a female thread 5 is formed on the inner peripheral surface of the lower open end of the outer shell 2, and an airtight plug 6 is attached thereto. The airtight plug body 6 is made of synthetic resin, and as shown in FIG.
A male screw 7 is formed that can be screwed into the female screw 5 of the holder, and by screwing both screws 5 and 7 together, the airtight plug body 6 is fixed to the outer shell 2 and the opening bottom of the outer shell 2 is closed. It looks like this.

Further, an O-ring 8 is provided on the upper outer periphery of the airtight plug body 6, and this O-ring 8 is brought into close contact with the inner wall surface of the outer shell 2.
Thereby, the space above the O-ring 8 inside the pressure vessel 1 is kept airtight from the outside.

The inside of the airtight plug 6 is divided into a first storage part 10 and a second storage part 11 by a partition wall 9 passing through the center of the airtight plug 6.
It is divided into two parts. Two substances that generate gas when mixed are separately stored in the first storage part 10 and the second storage part 11, respectively. In this embodiment, the first storage section 10 stores sodium hydrogen carbonate as the first substance 12, and the second storage section 11 stores a citric acid solution as the second substance 13, and these are mixed. When exposed to water, carbon dioxide gas is produced.

Further, a thin film material 14 such as a metal foil or a plastic film that can be broken or ruptured by piercing is attached to the outer peripheral surface of the upper end of the airtight plug 6, thereby separating the first substance 12 and the second substance 13. It will be stored.

Moreover, inside the pressure-resistant container 1 above this airtight stopper 6,
An airtight rising valve 15 made of synthetic resin is installed. As shown in FIG. 3, this airtight rising valve 15 has a generally short cylindrical shape.
It is in close contact with the inner wall surface of the outer shell 2 via an O-ring 16 provided on its outer periphery, and is mounted so as to be slidable vertically along the inner wall of the outer shell 2 of the pressure-resistant container 1. Further, an inverted concave space 17 is formed on the side of the airtight rising valve 15.The airtight stopper 6 is formed on the inner wall of the upper part of this space 17.
Claw pieces 18, 18 are formed to hang down at positions corresponding to the center portions of the first storage section 10 and the second storage section 11, respectively. This claw piece 18 has a sharp tip, and from that tip? Fi 1 8 a is deeply cut in the vertical direction. The length of this claw piece 18 is longer than the depth of the cavity 17 of the airtight rising valve 15.

Further, the internal space 19 of the pressure container 1 above the airtight rising valve 15 is filled with a fluid substance 20 such as lotion.

That is, in this embodiment, the thin film material 14 constitutes a means for isolating and storing a plurality of substances, and the claw piece 18 constitutes a means for releasing the isolation and making it possible to mix a plurality of substances. .

After manufacturing the pressurized discharge container for fluid material according to the present invention,
Before one internal space of the pressure container 1 is filled with the fluid substance 20, the airtight rising valve 15 is located above the airtight stopper 6, as shown in FIG. The tip is located above the upper surface of the thin film material 14.

The space 19 is viewed from above the pressure vessel 1 in such a state.
When the fluid substance 20 is filled in the space, the internal pressure of one space increases due to the filling pressure of the fluid substance 20, and the airtight rising valve 15
slides along the inner wall of the outer shell 2 and once descends.

Then, the tip of the claw piece 18 pierces the thin film material 14 and breaks it, thereby releasing the sealing of the first storage part 10 and the second storage part 11, and the first material 12 and the second material 14 are separated.
The substance 13 is in a state where it can be mixed with the substance 13. At this time, nail piece 1
The groove 18a formed at the tip of the claw 8 can prevent the claw piece 18 from tightly fitting into the thin film material 14.
Through this 'tR 1 8 a, the first and second substances 12
．． 13 can surely flow out of the storage section and be mixed.

When the pressure vessel 1 is turned upside down or shaken, carbon dioxide gas is generated and accumulated due to the chemical reaction between the two substances, and the pressure between the airtight riser valve 15 and the airtight stopper 6 is increased within the pressure vessel 1. raise. Then, the air-tight rising valve 15 is urged upward by this pressure, and the air-tight rising valve 15 moves upward while sliding along the inner wall of the outer shell 2, compressing the fluid substance 20 under pressure. As a result, the claw piece 18 also rises, and the broken portion of the thin film material 14 formed by the claw piece 18 is reliably and widely opened, thereby further promoting mixing. The fluid substance 20 also fills the cavity 4e of the spray machine groove 4.

In this state, the push button 4 at the top of the pressure container 1 is pressed.
When a is pressed downward, the spring 4d is compressed and the shaft portion 4b
is lowered, and the fluid substance 20 is discharged from the nozzle hole 4f to the outside through the nozzle 4c. The pressure inside the pressure container 1 decreases by discharging the fluid substance 20 to the outside, but
As mentioned above, the gas generated and accumulated below the airtight rising valve 15 raises the airtight rising valve 15 and removes the fluid material 2o.
maintain the pressurized state. Note that the amount of gas generated is
Since the amounts of the substance 12 and the second substance 13 are approximately proportional to each other, the amounts of both substances 12 and 13 are approximately proportional to each other.
．． It is necessary to set the amount of 13 so that a pressure is generated such that the internal flowable substance 20 is completely discharged.

Furthermore, after releasing the isolation of the first and second substances 12.13 through the filling pressure as described above, the subsequent (production) ) Both substances 12 and 13 may naturally mix due to vibrations that occur during movement on the line or during transportation to a store or the like.

Next, FIGS. 4 and 5 show a pressurized discharge container for a fluid substance according to a second embodiment of the present invention. This embodiment, like the first tip embodiment, comprises a pressure-resistant container 1, an outer shell 2, a lid member 2, a spray mechanism 4, an airtight stopper 6a, and an airtight rising valve 15a.

A cavity 21 is provided in the central part of the airtight plug 6a. Sodium hydrogen carbonate is stored at the bottom of this cavity 21 as the first substance 12. Moreover, a bag body 22 is placed at the bottom of this space 21.

The bag body 22 has a shape in which both ends are sealed, and is made of metal foil such as aluminum, resin, or the like. A citric acid solution is stored therein as a second substance 13, and when these are mixed, carbon dioxide gas is generated.

Further, an airtight rising valve 15a made of synthetic resin is mounted above the airtight plug body 6a. This airtight rising valve 15a has a generally short cylindrical shape similar to the first embodiment, and is in close contact with the inner wall surface of the outer shell 2 through an O-ring 16 provided on its outer periphery. It is mounted so that it can slide vertically along the inner wall of the Furthermore, an inverted concave space 17a is formed below the airtight rising valve 15a. From the center of the upper inner part of this space 17a, there is a rod-shaped protrusion 2.
3 is formed hanging down. The tip of this projecting piece 23 is slightly curved downward, and its length is longer than the depth of the cavity 17a of the airtight rising valve 15a.

That is, in this embodiment, the airtight plug body 6a and the bag body 22 constitute a means for separating and storing each substance, and the protruding piece 23 serves as a means for dividing the separation by M and making it possible to mix a plurality of substances. is being organized.

After manufacturing the pressurized discharge container for the fluid substance according to the present invention,
Before the internal space 19 of the pressure container 1 is filled with the fluid substance 20, the tip of the protrusion 23 hanging down from the airtight rising valve 15a is in the cavity of the airtight stopper 6a, as shown in FIG. It is located close to the upper end surface of the bag body 22 placed on the bottom of the bag body 21 .

The space 19 is viewed from above the pressure vessel 1 in such a state.
When the fluid substance 20 is first filled, as shown in FIG. 5, the internal pressure within one space is increased by the fluid substance 20, and the airtight rising valve 15a slides along the inner wall and once lowers. Then, the tip of the protruding piece 23 presses the bag 22 downward, causing the bag 22 to break or rupture, and the second substance 13 inside the bag 22 to be stored in the bottom of the airtight stopper 6a. and mixes with the first substance 12. Then, carbon dioxide gas is generated and accumulated due to a chemical reaction between the two substances, increasing the internal pressure in the space between the airtight rising valve 15a and the airtight stopper 6a. This pressure urges the air-tight rising valve 15a upward, and the air-tight rising valve 15a moves upward while sliding along the inner wall of the outer shell 2, compressing the fluid substance 20 under pressure. Other configurations and operations are the same as in the first embodiment.

<<Effects>> As described above, according to the pressurized discharge container for a fluid substance of the present invention, a plurality of containers that generate a gas by mixing are placed inside the pressure container that seals and stores the fluid substance as the content. Therefore, when filling fluid substances such as liquids or creams into pressure-resistant containers, a general-purpose filling machine can be used; No equipment required.

Furthermore, a fluid substance is filled from the outside, and the pressure releases the isolation of the plurality of substances and generates gas inside:
The pressure of this gas was used to pressurize the fluid material, and when necessary, the seal of the pressure container was released to discharge the fluid material to the outside. Therefore, since the amount of gas generated can be adjusted according to the amount of multiple substances, the internal pressure can be changed as appropriate depending on the contents, and the discharge pressure can be increased until the end of the discharge of the contents. can be maintained.

Furthermore, since the amount of the substance that generates gas when mixed is relatively small, the internal volume of the fluid substance can be increased.

Furthermore, since the pressure of filling the fluid substance is utilized, gas can be generated by separating and mixing multiple substances without providing any special means, and the discharge pressure can be increased.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view of a pressurized discharge container for a fluid substance according to a first embodiment of the present invention, FIG. 2 is a vertical cross-sectional view showing the state in which the fluid substance is filled, and FIG. Thin film material, airtight plug,
FIG. 4 is an exploded perspective view showing an airtight rising valve; FIG.
The figure is a longitudinal cross-sectional view showing the state when the fluid substance is filled. 1......Pressure container 4...Spray mechanism 10...First storage section 12...First substance 14... ... Thin film material 15.15a ... Airtight rising valve 20 ... Fluid substance 22 ... Bag body 2 ... Outer shell 6, 6a ...・Airtight plug body 11...Second storage part 13...Second substance 21...Claw piece 23...Protrusion piece No. 4n 2nd Figure lL/I Figure 3 Figure 4'-+3 Figure 5

Claims (1)

[Claims] In a pressurized discharge container in which a fluid substance is hermetically stored in a pressure-resistant container under pressure, and when necessary, the seal of the pressure-resistant container is released to discharge the fluid substance to the outside, the inside of the pressure-resistant container is A means for isolating and storing a plurality of substances that generate gas when mixed is provided, and an airtight rising valve is provided above the means so as to be slidable in the vertical direction, and the gas flows into the pressure vessel above the airtight rising valve. 1. A pressurized discharge container for a fluid substance, characterized in that the container is provided with means for releasing the isolation of a plurality of substances by the filling pressure generated when the fluid substance is filled.