JP6935989B2 - Discharge product - Google Patents

Description

The present invention relates to a discharge product. More specifically, the present invention relates to a discharge product in which, for example, when the contents are discharged into water, fine bubbles are generated after the discharge by the compressed gas dissolved in the aqueous stock solution to cause white turbidity.

Conventionally, a discharge product that generates air bubbles after discharge is known. Patent Document 1 discloses a container that discharges a mouthwash from a nozzle by pressing the discharge button of the container. This container is filled with nitrogen gas or carbon dioxide gas. These gases discharge the mouthwash, which is the content. Further, in Patent Document 2, a liquid bath agent is stored in a container filled with a pressure gas containing oxygen, carbon dioxide gas or a mixed gas thereof as a main component, and the bath agent is ejected from the container by ejecting the pressure gas. A spray-type bath agent configured to be ejected and dissolved in a spray form in bath water is disclosed. Further, Patent Document 3 describes a propellant containing a compressed gas having a critical temperature of −20 ° C. or higher, an active ingredient of 0.01 to 50% by weight, a nonionic surfactant of 0.1 to 30% by weight, and an oil. A bath aerosol composition comprising a water-in-oil stock solution containing 20 to 95% by weight of a component and 0.5 to 50% by weight of a solvent, which is phased into an oil-in-water type when sprayed into hot water. The aerosol composition is disclosed. Carbon dioxide gas and nitrous oxide gas are exemplified as compressed gases having a critical temperature of −20 ° C. or higher.

Japanese Unexamined Patent Publication No. 11-165778 Japanese Unexamined Patent Publication No. 02-138209 Japanese Unexamined Patent Publication No. 07-196470

However, when the discharged product (mouthwash) described in Patent Document 1 is discharged into an external container such as a cup, bubbles are generated in the discharged mouthwash. However, the generated bubbles are large and easily float, so that the cloudy state is not maintained. Further, the spray-type bath salt described in Patent Document 2 and the bath aerosol composition described in Patent Document 3 contain oxygen, carbon dioxide gas, and nitrogen peroxide gas having high solubility in water, and are liquid. Since a nozzle that jets vigorously to dissolve the bath salt in the bath water is used, it does not generate fine bubbles.

Unlike such prior art, the present invention can be safely used and easily used even when discharged in water (particularly in hot water), and the object (for example, the content itself or the discharged object). It is an object of the present invention to provide a discharge product capable of generating fine bubbles at a high concentration in water) to cause white turbidity.

The discharge product of the present invention that solves the above problems mainly includes the following configurations.

(1) A pressure-resistant container filled with contents composed of an aqueous stock solution and a compressed gas, a valve attached to the pressure-resistant container, and a discharge member attached to the valve and formed with a discharge hole for discharging the contents. The compressed gas has an Ostwald coefficient of 0.1 or less with respect to water at 25 ° C., is dissolved in the aqueous stock solution at 1 to 1000 ppm, and the discharge member reaches the discharge hole from the valve. A discharge product in which a speed reducing portion for reducing the flow velocity of the contents taken in from the valve is provided in the discharge passage.

According to such a configuration, a compressed gas having a low solubility with respect to water at 25 ° C. of 0.1 or less is used, and the aqueous stock solution before discharge contains 1 to 1 of the compressed gas in the pressure-resistant container. It is dissolved at 1000 ppm. Further, in the discharge passage of the discharge member, a speed reducing portion for reducing the flow velocity of the contents taken in from the valve is provided. Therefore, when the contents are discharged into water, for example, fine bubbles are generated by the compressed gas dissolved in the aqueous stock solution, and the contents become cloudy. Further, since the flow velocity of the contents is reduced by the deceleration portion, the contents tend to stay at a high concentration for a long time around the discharge hole, and the cloudy state is easily maintained. Further, a compressed gas having low solubility having an Ostwald coefficient with respect to water at 25 ° C. has a small volume change due to a temperature change. Therefore, even when used in water (particularly in hot water), the internal pressure of the discharged product is unlikely to change, and the safety is high.

(2) The deceleration portion includes an in-passage injection hole in which the contents are injected in the discharge passage, and a collision portion in which the contents injected from the in-passage injection hole collide with each other. By colliding the contents with the collision portion, the flow direction of the contents is changed to a direction different from the direction in which the contents are injected from the injection hole in the passage, and then the contents are moved from the discharge hole. Discharge product according to (1).

According to such a configuration, the contents are injected from the injection hole in the passage in the discharge passage and collide with the collision portion, and the momentum of the discharge is weakened. At this time, the compressed gas dissolved in the aqueous stock solution is vaporized, and fine bubbles are generated. After that, the flow path of the contents is changed in a direction different from the direction when the contents are injected from the injection holes in the passage. As a result, the contents are discharged from the discharge hole in a state where the energy associated with the injection is lost and the flow velocity is reduced. As a result, when the contents are discharged into water, for example, they tend to stay longer around the discharge holes and maintain a cloudy state.

(3) The deceleration unit is formed with an in-passage injection hole for injecting the contents in the discharge passage, and is downstream of the flow path of the contents to be injected from the in-passage injection hole in the discharge passage. The discharge product according to (1), which includes an enlarged diameter portion that expands toward the side.

According to such a configuration, in the discharge passage, the contents injected from the injection hole in the passage are introduced into the diameter-expanded portion, and are discharged from the discharge hole while the flow path is expanded along the diameter-expanded portion. NS. As a result, the pressure applied to the contents introduced into the enlarged diameter portion is reduced, and fine bubbles are likely to be generated. Therefore, the contents discharged from the discharge hole tend to stay around the discharge hole for a longer time and maintain a cloudy state.

(4) The discharge product according to (2), further comprising a cover portion that covers the peripheral edge of the discharge hole.

According to such a configuration, when the content is discharged into water, for example, diffusion is suppressed by the cover portion, the content tends to stay around the discharge hole for a longer time, and a cloudy state is likely to be maintained.

(5) The deceleration unit is formed with an injection hole in the passage for injecting the contents in the discharge passage, and a storage space for storing the contents injected from the injection hole in the passage is formed. The discharge product according to (1), which comprises a hollow member.

According to such a configuration, the contents are injected from the injection hole in the passage, and the momentum of discharge is weakened in the storage space in the hollow member. At this time, the compressed gas dissolved in the aqueous stock solution is vaporized, and fine bubbles are generated. When the discharge operation is stopped, the contents in which fine bubbles are dispersed and become cloudy are held for a long time in the storage space and gradually discharged from the discharge holes formed in the hollow member. As a result, the contents are not affected by the flow of water even when used in water, for example, and the cloudy contents are held in the storage space for a long time and gradually discharged from the discharge hole. Can be done.

(6) The discharge product according to (5), wherein the hollow member is formed with a communication hole that communicates the storage space with the outside.

According to such a configuration, when the discharge member is immersed in water, the air in the storage space is discharged to facilitate the introduction of water, and the contents injected from the injection holes in the passage are made to collide with the water to decelerate. This makes it easier to generate fine bubbles. Further, when the discharge member is taken out from the water, air is introduced into the storage space to facilitate the discharge of water.

According to the present invention, even when discharged in water (particularly in hot water), it can be safely used and is easily finely divided into an object (for example, the content itself or water which is the object to be discharged). It is possible to provide a discharge product capable of generating various bubbles and causing cloudiness.

FIG. 1 is a schematic cross-sectional view of a discharge product according to an embodiment (first embodiment) of the present invention. FIG. 2 is a schematic cross-sectional view for explaining a usage state of a discharge product according to an embodiment (first embodiment) of the present invention. FIG. 3 is a schematic cross-sectional view for explaining a usage state of a discharge product according to an embodiment (second embodiment) of the present invention. FIG. 4 is a schematic cross-sectional view for explaining a usage state of a discharge product according to an embodiment (third embodiment) of the present invention. FIG. 5 is a schematic plan view of a discharge member of a discharge product according to an embodiment (third embodiment) of the present invention. FIG. 6 is a schematic cross-sectional view of the discharge product of Comparative Example 3.

[Discharge product]
<First Embodiment>
The discharge product of one embodiment (first embodiment) of the present invention will be described in detail. FIG. 1 is a schematic cross-sectional view of the discharge product 1 of the present embodiment. Further, FIG. 1 shows a discharge product 1 in an unused state. The discharge product 1 of the present embodiment is a pressure-resistant container 2 filled with contents composed of an aqueous stock solution C and a compressed gas, a valve 3 attached to the pressure-resistant container 2, and a valve 3 attached to discharge the contents. It mainly includes a discharge member 4 in which a discharge hole 52 is formed. Each configuration will be described below. The configuration of the discharge product 1 is not limited to this embodiment. Therefore, the configuration of the discharge product 1 shown below is an example, and the design can be changed as appropriate.

<Pressure-resistant container 2>
The pressure-resistant container 2 is a container for filling the content of the aqueous stock solution C in a pressurized state. The pressure-resistant container 2 may have a general-purpose shape. The pressure-resistant container 2 of the present embodiment has a bottomed tubular shape having an opening at the top. The opening is a filling port for filling the aqueous stock solution C. A valve 3, which will be described later, is attached to the opening of the pressure-resistant container 2 for sealing.

The material of the pressure-resistant container 2 is not particularly limited. The pressure-resistant container 2 may have a pressure resistance enough to fill the contents under pressure. Examples of such a material include metals such as aluminum and tinplate, various synthetic resins such as polyethylene terephthalate (PET), and pressure-resistant glass. Among them, it is preferable to use a synthetic resin such as polyethylene terephthalate having translucency or glass from the viewpoint that the filled contents can be seen, the remaining amount can be easily understood, and the change in the discharged material can be easily understood. The pressure-resistant container 2 may be provided with an inner bag for filling the aqueous stock solution C in a liquid-tight state. The inner bag is formed into a bottomed cylinder using a gas-permeable synthetic resin such as polyethylene, and has flexibility that can be shrunk by the pressure of the compressed gas. In this case, the compressed gas is filled in the space between the pressure-resistant container and the inner bag. Therefore, the compressed gas can be permeated through the inner bag and dissolved in the aqueous stock solution. By using a pressure-resistant container having an inner bag, compressed gas is not discharged regardless of the direction in which the aqueous stock solution is injected.

(Aqueous undiluted solution C)
The aqueous stock solution C is a liquid component filled in the pressure-resistant container 2. The aqueous stock solution C contains conventionally known components. As an example, the aqueous stock solution C can contain water, an active ingredient, a surfactant, a thickener, and the like. Further, the aqueous stock solution C preferably contains alcohol.

Water is the main solvent of the aqueous stock solution C, and appropriately dissolves a compressed gas, a water-soluble active ingredient, and the like. Examples of water include purified water, ion-exchanged water, physiological saline, and deep sea water.

The content of water is preferably 70% by mass or more, and more preferably 80% by mass or more in the aqueous stock solution C. The total amount of water may be water, but when it contains an active ingredient or the like, it is preferably 99.5% by mass or less, more preferably 99% by mass or less in the aqueous stock solution C. When the water content is less than 70% by mass, the amount of the compressed gas dissolved tends to be large, and fine bubbles are unlikely to be generated. On the other hand, when the content of water exceeds 99.5% by mass, the content of the active ingredient or the like is reduced, and it becomes difficult to obtain the effect of the active ingredient or the like.

The active ingredient is appropriately contained depending on the purpose and application of the product, in addition to the effect of fine bubbles. Active ingredients include moisturizers such as sorbitol, hyaluronic acid and urea, refreshing agents such as l-menthol and camphor, vitamins such as ascorbic acid, pantothenic acid and tocopherol and their derivatives, anti-glycyrrhizinic acids, glycyrrhetinic acids and allantin. Inflammatory agents, paraoxybenzoic acid esters such as methyl paraoxybenzoate, ethyl paraoxybenzoate, propyl paraoxybenzoate, preservatives such as phenoxyethanol, pH adjusters such as citric acid, sodium citrate, calcium citrate, dokudami extract, aubaku Extract, Merilloro extract, Kanzo extract, Shakuyaku extract, Hechima extract, Kina extract, Clara extract, Sakurasou extract, Rosemary extract, Lavender extract, Lemon extract, Aloe extract, Shobu root extract, Eucalyptus extract, Sage extract, Tea extract, Seaweed Examples include extracts, placenta extracts, extracts such as silk extracts, and fragrances. These may be used together.

When the active ingredient is contained, the content of the active ingredient is preferably 0.1% by mass or more, more preferably 0.5% by mass or more in the aqueous stock solution C. The content of the active ingredient in the aqueous stock solution C is preferably 20% by mass or less, and more preferably 10% by mass or less. When the content of the active ingredient is less than 0.1% by mass, it is difficult to sufficiently obtain the effect of the active ingredient. On the other hand, when the content of the active ingredient exceeds 20% by mass, the amount of the compressed gas dissolved may increase depending on the active ingredient, making it difficult for fine bubbles to be generated.

Alcohol is used as a solvent for dissolving an active ingredient that is insoluble in water, and for adjusting the concentration at which the compressed gas dissolves in the aqueous stock solution C and adjusting the state of bubbles generated in the discharged aqueous stock solution C. Is appropriately contained in. Examples of the alcohol include monohydric alcohols having 2 to 3 carbon atoms such as ethanol and isopropanol, and polyhydric alcohols such as propylene glycol, 1,3-butylene glycol, glycerin and dipropylene glycol. These may be used together.

When alcohol is contained, the content of alcohol is preferably 1% by mass or more, and more preferably 2% by mass or more in the aqueous stock solution C. The alcohol content is preferably 15% by mass or less, and more preferably 10% by mass or less. When the content of alcohol is less than 1% by mass, it becomes difficult to obtain the effect of alcohol. On the other hand, when the alcohol content exceeds 15% by mass, too much compressed gas is dissolved in the aqueous stock solution C, and the bubbles generated in the discharged aqueous stock solution C become large, so that the alcohol easily floats immediately.

Surfactants (solubilizers) are appropriately contained to dissolve active ingredients that are insoluble in water. In addition, the surfactant is contained for the purpose of improving the usability and making it easier to remove stains. The surfactant is not particularly limited. For example, the surfactant is a nonionic surfactant, an anionic surfactant, a cationic surfactant, an amphoteric surfactant, an amino acid-based surfactant, a silicone-based surfactant, or the like. As the surfactant, a nonionic surfactant is preferable from the viewpoint of cleaning effect. Examples of the nonionic surfactant include polyglycerin fatty acid ester, POE-hardened castor oil, POE alkyl ether, POE sorbitan fatty acid ester, sorbitan fatty acid ester, sucrose fatty acid ester, POE / POP glycol and the like. These may be used together. Among these, polyglycerin fatty acid ester is preferable because it is easy to obtain an aqueous stock solution having particularly high permeability and the cloudy state of the discharged contents is easy to understand.

When the surfactant is contained, the content of the surfactant is preferably 0.01% by mass or more, more preferably 0.1% by mass or more in the aqueous stock solution C. The content of the surfactant in the aqueous stock solution C is preferably 15% by mass or less, and more preferably 10% by mass or less. When the content of the surfactant is less than 0.01% by mass, it is difficult to sufficiently obtain the effect of the surfactant. On the other hand, when the content of the surfactant exceeds 15% by mass, the discharged contents tend to have a poor usability.

The thickener is contained to increase the viscosity of the aqueous stock solution and adjust the state of fine bubbles generated by the compressed gas after discharge. Examples of the thickener include methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, xanthan gum, arabic gum, guar gum, locust bean gum, gelatin, carboxyvinyl polymer and the like. These may be used together.

When the thickener is contained, the content of the thickener is preferably 0.01% by mass or more, more preferably 0.05% by mass or more in the aqueous stock solution C. The content of the thickener is preferably 3% by mass or less, and more preferably 2% by mass or less in the aqueous stock solution C. When the content of the thickener is less than 0.01% by mass, it is difficult to sufficiently obtain the effect of the water-soluble polymer. On the other hand, when the content of the thickener exceeds 3% by mass, the viscosity of the aqueous stock solution C tends to be too high, which tends to make it difficult to discharge and reduce the usability.

(Compressed gas)
The compressed gas is filled in the pressure-resistant container 2 together with the aqueous stock solution C, and most of the compressed gas exists in the gas phase inside the pressure-resistant container 2 and acts as a pressurizing agent that pressurizes and discharges the aqueous stock solution C. The balance is dissolved in the aqueous stock solution C. The amount of the compressed gas dissolved may be 1 ppm or more at the time of filling in the pressure-resistant container 2, preferably 1.5 ppm or more. The amount of the compressed gas dissolved may be 1000 ppm or less, preferably 500 ppm or less. When the dissolved amount of the compressed gas is less than 1 ppm, the dissolved amount is too small, so that the number of bubbles generated is small and the white turbidity is unlikely to occur. On the other hand, when the amount of the compressed gas dissolved exceeds 1000 ppm, the compressed gas is vaporized at once from the discharged aqueous stock solution C, so that large bubbles are likely to be generated, and the gas is immediately suspended and less likely to become cloudy. In the present embodiment, the dissolved amount of the compressed gas is the amount of the compressed gas dissolved in the aqueous stock solution C at 25 ° C.

The compressed gas preferably has an Ostwald coefficient with respect to water at 25 ° C. of 0.001 or more, and more preferably 0.005 or more. Further, the compressed gas may have an Ostwald coefficient of 0.1 or less, preferably 0.02 or less. When the Ostwald coefficient is less than 0.001, the amount of dissolution is too small and bubbles are less likely to be generated. On the other hand, when the Ostwald coefficient exceeds 0.1, the amount of dissolution is large, so that the generated bubbles tend to be large, and the bubbles are immediately suspended to be less likely to become cloudy.

More specifically, the compressed gas includes nitrogen (Ostwald coefficient: 0.0141), hydrogen (Ostwald coefficient: 0.0194), air (0.0167), oxygen (Ostwald coefficient: 0.0283), and these. A mixed gas and the like are exemplified. As the compressed gas, a gas having a relatively large Ostwald coefficient may be used in combination as long as it is included in the above range of the dissolved amount. Examples of such a gas include carbon dioxide gas (Ostwald coefficient: 0.759) and nitrous oxide (Ostwald coefficient: 0.59). Among these, the compressed gas is preferably nitrogen or air because it is easily available, easy to handle, and has little effect on the human body. The compressed gas may be used in combination.

The pressure in the pressure-resistant container 2 after being filled with the compressed gas and saturated and dissolved in the aqueous stock solution C is 0.3 to 1.0 MPa (gauge pressure), preferably 0.4 to 0.8 MPa (gauge) at 25 ° C. Pressure). Such pressure can be adjusted by filling the compressed gas so that it has the above-mentioned dissolved amount.

Returning to the description of the pressure-resistant container 2 as a whole, the aqueous stock solution C of the present embodiment is discharged into water (particularly in hot water), or the aqueous stock solution is once discharged into the discharge member and then pressed against the object to be used. be able to. In the discharged contents, fine bubbles are generated in water or in the discharged aqueous stock solution C due to the vaporization of the dissolved compressed gas. Here, the compressed gas has a specific solubility in water, and is dissolved in the aqueous stock solution C at 1 to 1000 ppm in the pressure-resistant container 2. Therefore, the bubbles generated by the compressed gas dissolved in such a concentration range are very fine, about 5 to 50 μm, and are in the aqueous stock solution C or the object (for example, water) without floating or defoaming for a predetermined time. ) Maintained in. In particular, the discharged aqueous stock solution C is decelerated by a deceleration unit provided in the discharge passage leading to the discharge hole 52 (see the injection hole 54 in the passage and the collision portion 56 described later), so that fine bubbles are generated in the deceleration unit. Is likely to occur, and since diffusion is suppressed, the generated fine bubbles are likely to stay at a high concentration without diffusing, and the dispersed state is maintained in water or aqueous stock solution C after discharge, and is it the aqueous stock solution C itself? , The object (water) can be made cloudy. The degree of cloudiness can be grasped by measuring the transmittance using, for example, a color difference meter CT210 manufactured by Konica Minolta Co., Ltd. More specifically, in the present embodiment, water is used as a reference (100%), and the contents in a state where the aqueous stock solution and the discharged, compressed gas are vaporized and small bubbles are generated are measured, and the degree from the reference is measured. By comparing whether it has become opaque, it can be determined whether the transparency has decreased.

<Valve 3>
The valve 3 has a mounting cup 31 attached to the opening of the pressure-resistant container 2 and a valve mechanism 32 supported inside the center of the mounting cup 31. The valve mechanism 32 has a bottomed cylindrical housing 33 in which the outer peripheral portion of the opening is supported inside the center of the mounting cup 31. Inside the housing 33, a stem 34 having a stem hole that communicates the inside and outside of the pressure-resistant container 2, a stem rubber 35 attached around the stem hole, and a spring 36 that urges the stem 34 and the stem rubber 35 upward. And are provided. The stem 34 and the stem rubber 35 are always urged upward by the spring 36, and the stem hole is sealed by the stem rubber 35. Then, at the time of use, the discharge member 4 described later is fitted to the stem 34.

Further, the method of filling the pressure-resistant container 2 with the contents is not particularly limited. As an example, a method is adopted in which the aqueous stock solution C is filled from the opening of the pressure-resistant container 2, the opening is closed by the valve 3, and the compressed gas is filled from the valve mechanism 32 of the valve 3. Alternatively, undercup filling may be adopted in which the compressed gas is filled before the valve 3 is fixed.

(Discharge member 4)
The discharge member 4 is a member for opening the valve 3 by an operation and discharging the contents taken in through the valve 3. The discharge member 4 is mainly composed of an operation unit 5 operated by the user and a cover unit 6 attached to the operation unit 5. As shown in FIG. 1, the discharge member 4 is mounted on the pressure-resistant container 2 when not in use. On the other hand, when in use, the discharge member 4 is removed from the pressure-resistant container 2, turned upside down, and then attached to the stem of the valve 3 for use (see FIG. 2). The details of the usage will be described later.

・ Operation unit 5
The operation unit 5 is a substantially columnar portion, and has one end in which a mounting hole 51 to be attached to the stem 34 is formed and the other end in which a discharge hole 52 for discharging the contents is formed. The mounting hole 51 is an opening formed on one end side of the operating portion 5, and the stem 34 is inserted into the mounting hole 51. At the bottom of the mounting hole 51, one end of an internal passage through which the contents taken out from the valve 3 pass is opened. Further, the other end of the internal passage is opened as a discharge hole 52.

The internal passage is a series of passages (discharge passages) through which the contents taken in from the valve 3 reach the discharge hole 52 in the use state described later. As shown in FIG. 1, the internal passages include a substantially L-shaped first pipe 53 through which the contents taken in from the valve 3 pass, and a passage formed on the downstream side of the first pipe 53. A wall surface that defines a part of the injection hole 54, the preliminary injection space 55 formed on the downstream side of the injection hole 54 in the passage, and the preliminary injection space 55, and the contents injected from the injection hole 54 in the passage. A collision portion 56 that collides and a discharge hole 52 that is an opening formed downstream of the preliminary injection space 55 are provided. A substantially cylindrical space having a predetermined internal volume is formed at the downstream end of the first pipeline 53. In the space of the first pipeline 53, a substantially cylindrical branch member 57 for colliding the contents passing through the first pipeline 53 and changing the flow direction to branch the flow path, and the branch member 57 of the branch member 57. A nozzle 58 that covers the peripheral surface is attached. Further, a plurality of grooves (not shown) extending from the first pipeline 53 toward the outer circumference are formed at the downstream end of the first pipeline 53. Therefore, by inserting the branch member 57 into the cylindrical space, a diffusion passage through which the contents flow in the outer peripheral direction is formed between the groove and the branch member 57.

The nozzle 58 has a bottomed cylindrical shape, and includes a substantially disk-shaped bottom portion and a peripheral edge portion that covers the peripheral surface of the branch member 57. At the bottom of the nozzle 58, a groove (not shown) in which the contents passing between the outer peripheral surface of the branch member 57 and the inner peripheral surface of the peripheral edge flow from the outer periphery toward the injection hole 54 in the passage formed in the center. ) Are formed. Further, at the bottom of the nozzle 58, a swivel chamber for swirling the contents is formed in a portion where the plurality of grooves converge. By mounting the nozzle 58 on the branch member 57, a converging passage through which the contents flow into the swivel chamber is formed between the groove and the branch member 57. An injection hole 54 in the passage is provided at the center of the swivel chamber. A plurality of lateral grooves (not shown) are formed on the outer peripheral surface of the branch member 57 to allow the contents branched to the outer periphery in the diffusion passage on the first pipeline 53 side to flow into the convergence passage at the bottom of the nozzle 58. There is. The lateral groove can be made spiral to lengthen the flow path, increase the passage resistance, and slow down the flow velocity.

The injection hole 54 in the passage and the discharge hole 52 are openings formed in different directions. Specifically, in the present embodiment, the in-passage injection hole 54 is formed along the radial direction of the operation unit 5, and the discharge hole 52 is in a direction substantially orthogonal to the formation direction of the in-passage injection hole 54. It is formed.

The contents taken in from the valve 3 and passed through the first pipeline 53 collide with the branch member 57, and the flow direction is changed to the radial direction by the diffusion passage. Next, the flow direction is changed to the central direction by the convergence passage through the lateral groove between the outer peripheral surface of the branch member 57 and the inner peripheral surface of the peripheral edge portion of the nozzle 58. Further, the content is introduced into the swirl chamber, where it becomes a vortex, and is injected from the injection hole 54 in the passage into the preliminary injection space 55. By attaching the branch member 57 and the nozzle 58 to the discharge member 4, the passing contents are swirled and a passage resistance is added. Therefore, the vaporization of the compressed gas dissolved in the aqueous stock solution C is suppressed until just before the injection hole 54 in the passage. As a result, the contents discharged from the discharge hole 52 tend to maintain a cloudy state.

The inner diameter of the first pipeline 53 is not particularly limited. The inner diameter of the first pipeline 53 is appropriately adjusted according to a desired injection speed and the like. As an example, the inner diameter of the first pipeline 53 is 0.5 to 3 mm.

Further, the hole diameter of the injection hole 54 in the passage is not particularly limited. The cross-sectional area (diameter) of the injection hole 54 in the passage is appropriately adjusted according to a desired injection speed or the like. As an example, the hole diameter of the injection hole 54 in the passage is 0.2 to 0.6 mm. The cross-sectional shape of the injection hole 54 in the passage is not particularly limited. As an example, the cross-sectional shape of the injection hole 54 in the passage is circular, square, or the like.

The distance between the injection hole 54 in the passage and the collision portion 56 is appropriately adjusted in order to adjust the cloudiness state of the contents. As an example, the distance between the injection hole 54 in the passage and the collision portion 56 is preferably 2 to 10 mm. When the distance between the injection hole 54 in the passage and the collision portion 56 is less than 2 mm, the content injected from the injection hole 54 in the passage tends to have an excessively small injection amount due to the rebound of the collided content. .. On the other hand, when the distance between the injection hole 54 in the passage and the collision portion 56 exceeds 10 mm, the deceleration effect of the contents due to the collision tends to be insufficient, and the diffusion of bubbles tends to be fast.

The cross-sectional area of the discharge hole 52 is appropriately adjusted in order to adjust the cloudiness state of the contents and the injection speed. In such a case, the cross-sectional area of the discharge hole 52 is preferably smaller than the area of the collision portion 56. When the area of the discharge hole 52 is smaller than the area of the collision portion 56, the contents injected from the injection hole 54 in the passage collide with the collision portion 56 in the preliminary injection space 55, and the flow path is changed at the collision portion 56. When the air is discharged from the discharge hole 52, the flow rate is throttled in the discharge hole 52, so that the speed is likely to be further reduced, fine bubbles are likely to be generated, and the air is likely to stay in the vicinity of the discharge hole.

As described above, in the discharge product 1 of the present embodiment, the injection hole 54 in the passage and the collision portion 56 are formed in the discharge passage (an example of the "deceleration portion for reducing the flow velocity of the contents taken in from the valve"). ). Therefore, the contents are appropriately decelerated while passing through the discharge passage after being taken out from the valve 3 by these actions, and are accompanied by fine bubbles generated by vaporization of the compressed gas. It is discharged from the discharge hole 52. Therefore, the discharged contents tend to stay while forming fine bubbles around the discharge hole 52. As a result, according to the discharge product 1 of the present embodiment, white turbidity due to the accumulated fine bubbles is likely to be maintained. The extent to which the discharged contents are retained around the discharge hole 52 can be visually confirmed, for example, in a cloudy state. Further, the compressed gas used has an Ostwald coefficient with respect to water at 25 ° C. of 0.1 or less. Therefore, the volume change of the compressed gas due to the temperature change is small. As a result, the discharge product 1 of the present embodiment is highly safe because the internal pressure does not easily change even when it is used in water (particularly in hot water).

・ Cover part 6
The cover portion 6 is a portion appropriately provided in order to protect the upper portion of the pressure-resistant container 2, the valve 3, and the like, and to suppress the diffusion of fine bubbles generated in the contents discharged from the discharge hole 52. The cover portion 6 is mainly composed of a base end portion 61 that covers the side peripheral surface of the operation portion 5, and a bowl-shaped portion 62 that extends from one end of the base end portion 61. The bowl-shaped portion 62 includes a diameter-expanded portion 63 having a tapered diameter and a large-diameter portion 64 provided integrally with the diameter-expanded portion 63. The inner diameter of the large diameter portion 64 is slightly larger than the outer diameter of the upper portion of the pressure resistant container 2. Therefore, the bowl-shaped portion 62 can be attached so as to cover the upper portion of the pressure-resistant container 2 with the large-diameter portion 64 in the non-used state shown in FIG.

In the cover portion 6 of the present embodiment, a notch 65 is formed in a part of the bowl-shaped portion 62. The notch 65 is formed so that the user can insert a finger or the like into the cover portion 6 and press the other end of the operation portion 5 in the use state described later. Further, as shown in FIG. 1, in the operation unit 5, the discharge hole 52 is opened in the vicinity of the peripheral edge of the other end of the operation unit 5 instead of the center. Therefore, even when the user presses the operation unit 5, the discharge hole 52 is unlikely to be blocked by the user's finger or the like.

Further, in the discharge product 1 of the present embodiment, the large diameter portion 64 can be used along the applicable portion in the used state (see FIG. 2). That is, the user can, for example, grasp and operate the discharge product 1 with one hand and discharge the contents along the other arm, leg, or the like.

<How to use the discharge product 1>
Next, a method of using the discharge product 1 of the present embodiment will be described.

In the discharge product 1, first, the discharge member 4 is removed from the state shown in FIG. The discharge member 4 is attached to the pressure-resistant container 2 as shown in FIG. 2 in a state where the discharge member 4 is turned upside down. FIG. 2 is a schematic cross-sectional view for explaining a usage state of the discharge product 1 of the present embodiment. Next, when the operation unit 5 is pushed down toward the inner bottom surface of the pressure-resistant container 2 by the user, the stem 34 of the valve 3 is pushed down toward the inner bottom surface of the pressure-resistant container 2. As a result, the stem rubber 35 bends and the stem hole is opened. As a result, the content (aqueous stock solution C in which the compressed gas is dissolved) passes through the stem hole and the passage in the stem 34, and is taken in from the mounting hole 51. The taken-in contents pass through the first pipeline 53, and then are injected from the injection hole 54 in the passage into the preliminary injection space 55. By injecting from the injection hole 54 in the passage into the preliminary injection space 55, it collides with the collision portion 56 and the speed of the contents is reduced to some extent. When the content collides with the collision portion 56, an impact is applied, the vaporization of the dissolved compressed gas is promoted, and fine bubbles are generated. Further, the flow path is changed to a direction different from the direction of injection from the injection hole 54 in the passage (in the present embodiment, a direction orthogonal to the direction of injection from the injection hole 54 in the passage). Further, the discharge hole 52 suppresses the flow rate. The content loses the propulsive force due to pressurization due to the collision with the collision portion 56, the conversion of the flow path, and the suppression of the flow rate, and the flow velocity decreases. As a result, the contents lose energy associated with the injection, and then are discharged from the discharge hole 52 in a state where the flow velocity is reduced, and fine bubbles tend to stay around the discharge hole.

The discharged contents are appropriately suppressed from being diffused by the surrounding water flow or the like by the cover portion 6, and stay around the discharge hole 52 in a state of being accompanied by fine bubbles generated by vaporizing the compressed gas. As a result, according to the discharge product 1 of the present embodiment, first, white turbidity is generated around the discharge hole 52 due to the accumulated fine bubbles. The generated white turbidity (fine bubbles) gradually diffuses away from the periphery of the discharge hole 52. The compressed gas used in the present embodiment has an Ostwald coefficient of 0.1 or less, preferably 0.02 or less with respect to water at 25 ° C., and is dissolved in 1 to 1000 ppm in the aqueous stock solution C. Therefore, the fine bubbles constituting the cloudiness are not large and easily suspended like the bubbles of carbon dioxide gas, for example. As a result, according to the discharge product 1 of the present embodiment, the generated bubbles stay for a long time around the discharge hole 52, and fine bubbles can be locally imparted at a high concentration.

According to the generated white turbidity (fine air bubbles), a cleaning effect such as making stains on tableware or stains on human skin stand out can be obtained. Therefore, according to the discharge product 1 of the present embodiment, for example, when an infant or the like is bathed in a baby bath, by applying the product to a sensitive place where a diaper is easily rashed, it is sufficient without using soap or the like. A cleaning effect can be expected.

The compressed gas used has an Ostwald coefficient with respect to water at 25 ° C. of 0.1 or less, preferably 0.02 or less. Therefore, the volume change of the compressed gas due to the temperature change is small. As a result, the discharge product 1 of the present embodiment does not easily change the internal pressure even when it is used in water heated to about 40 ° C., for example, when an infant or the like is bathed in a baby bath. Highly safe.

<Second embodiment>
The discharge product of one embodiment (second embodiment) of the present invention will be described in detail. FIG. 3 is a schematic cross-sectional view of the discharge product 1a of the present embodiment. The discharge product 1a of the present embodiment is the same as the discharge product 1 (see FIG. 1) of the first embodiment described above, except that the configuration of the discharge member 4a is different. Therefore, the same reference numerals are given to the same configurations, and the description thereof will be omitted as appropriate.

(Discharge member 4a)
The discharge member 4a is a member for opening the valve 3 by an operation and discharging the aqueous stock solution C taken in through the valve 3. The discharge member 4a includes a base portion 41a attached to the stem 34 of the valve 3 and a dome-shaped dome portion 42a attached to the base portion 41a.

-Base 41a
The base 41a has an internal pipeline 43a through which the aqueous stock solution C taken in from the valve 3 passes, and when the user immerses the discharge member 4a in water, water is discharged from the discharge hole 49a described later into the storage space described later. An intake hole 44a is formed to facilitate the intake, and further to facilitate the discharge of water in the storage space from the discharge hole 49a to the outside when the discharge member 4a is taken out of the water. The intake hole 44 is a communication hole that communicates the storage space with the outside, and air can be discharged when the discharge member 4a is put into water, and air can be introduced when the discharge member 4a is taken out of water. can. The internal pipeline 43a includes one end formed with a mounting hole 45a attached to the stem 34 and the other end formed with an in-passage injection hole 46a opening inside the dome portion 42a.

・ Dome part 42a
The dome portion 42a is a portion where an internal space S1 (storage space) in which the contents injected from the injection hole 46a in the passage are temporarily stored is formed (an example of a hollow member in which the storage space is formed). The dome portion 42a is internally formed with a collision portion 47a on which the contents injected from the injection hole 46a in the passage collide. Further, the top of the dome portion 42a is a pressing portion 48a used by pressing against the application surface, and a discharge hole 49a for discharging the contents temporarily stored in the internal space around the pressing portion 48a. Is formed.

According to the discharge product 1a provided with such a discharge member 4a, for example, the discharge member 4a is immersed in hot water, and in that state, the pressing portion 48a is pressed against the application location (for example, shoulder, neck, chest circumference, etc.) for use. can do. In this case, the contents injected from the injection hole 46a in the passage collide with the collision portion 47a (further, the water introduced into the storage space), are appropriately decelerated, and are minute particles generated by vaporizing the compressed gas. It is dispersed in the internal space S1 in the dome portion 42a with bubbles (micro bubbles). After that, the contents containing the microbubbles are gradually discharged from the discharge hole 49a, applied to the application site, and dispersed in the hot water.

In the present embodiment, the collision portion 47a is a portion preferably adopted for generating microbubbles, and may be omitted as appropriate. In this case, the contents injected from the injection hole 43a in the passage are appropriately decelerated by the collision with the hot water or the like taken into the internal space S1 in the dome portion 42a, and collide with, for example, the back surface of any one of the dome portions 42a. Then, while being decelerated, it stays in the internal space S1 and microbubbles are generated. Even in such a case, the discharge product 1a of the present embodiment can obtain a discharge product containing microbubbles at a high concentration.

<Third embodiment>
The discharge product of one embodiment (third embodiment) of the present invention will be described in detail. FIG. 4 is a schematic cross-sectional view of the discharge product 1b of the present embodiment. FIG. 5 is a schematic plan view of the discharge member 4b of the discharge product 1b. The discharge product 1b of the present embodiment is the same as the discharge product 1 (see FIG. 1) of the first embodiment described above, except that the configurations of the pressure-resistant container 2b and the discharge member 4b are mainly different. Therefore, the same reference numerals are given to the same configurations, and the description thereof will be omitted as appropriate.

(Pressure-resistant container 2b)
The pressure-resistant container 2b mainly includes a container body 21b filled with the aqueous stock solution C and a compressed gas, a valve 3b attached to the container body 21b, and a discharge member 4b having a discharge hole 52b for injecting the aqueous stock solution C. Be prepared. Each configuration will be described below. The configuration of the discharge product 1b shown below is an example, and the design can be changed as appropriate.

・ Container body 21b
The container body 21b is a container for filling the aqueous stock solution C in a pressurized and sealed state. The container body 21b may have a general-purpose shape. The container body 21b of the present embodiment has a bottomed tubular shape having an opening at the top. The opening is a filling port for filling the aqueous stock solution C. The container body 21b becomes an aerosol container by attaching a valve 3b, which will be described later, to the opening and closing it. The container body 21b includes a bottomed cylindrical outer container 21c and an inner bag 21d provided inside the outer container 21c.

The material of the outer container 21c is not particularly limited. Examples of such a material include metals such as aluminum and tinplate, synthetic resins such as polyester such as polyethylene terephthalate, and pressure-resistant glass.

The inner bag 21d is a bag-shaped container arranged inside the outer container 21c and shrinkable by the pressure of the compressed gas. The inner bag 21d is filled with the above-mentioned aqueous stock solution C in a liquidtight state. The material of the inner bag 21d is not particularly limited. As an example, the material of the inner bag 21d may be a polyolefin such as polyethylene, an ethylene-vinyl alcohol copolymer, or a synthetic resin such as polyamide. Further, the inner bag 21d may be a single-layer body of the above-mentioned synthetic resin, or may be a laminated body in which a plurality of layers are laminated.

・ Valve 3b
The valve 3b is a member attached to the opening of the container body 21b to seal the inside of the container body 21b, and is a valve mechanism 32b that can switch communication / shutoff between the inside of the inner bag 21d and the outside by moving up and down. And a housing 33b in which a predetermined internal space in which the valve mechanism 32b is provided is formed. The valve mechanism 32b includes a stem 34b having a stem hole that communicates with the outside by pushing down, a stem rubber 35b that seals the stem hole, and a spring 36b that constantly urges the stem 34b vertically upward from below. .. An intake hole 37b that communicates the internal space of the housing 33b with the inside of the container body 21b (inner bag 21d) is formed on the side peripheral wall of the housing 33b. When the stem hole is opened by the operation of the valve 3b, the inner bag 21d is pressurized by the compressed gas filled between the outer container 21c and the inner bag 21d. As a result, the aqueous stock solution C in the inner bag 21d is pressed, taken into the housing 33b from the intake hole 37b, passed through the stem hole and the passage in the stem 34b, and sent to the discharge member 4b.

The position of the intake hole 37b is not limited to the side peripheral wall of the housing 33b. The intake hole 37b may be the lower part of the housing 33b. In this embodiment, since the aqueous stock solution is filled in the inner bag in a liquidtight state, it can be discharged regardless of the orientation of the container.

The method of filling the pressure-resistant container 2b with the aqueous stock solution C and the compressed gas is not particularly limited. As an example, the aqueous stock solution C is filled into the inner bag 21d from the opening of the inner bag 21d, the valve 3b is inserted into the opening of the inner bag 21d to close the bag, and then between the outer container 21c and the inner bag 21d. A method is adopted in which the space is filled with compressed gas, the valve 3b is fixed to the pressure-resistant container 2b, and a part of the compressed gas is permeated through the inner bag 21d to be saturated and dissolved in the aqueous stock solution. In this case, it is preferable to use a single layer of a synthetic resin (for example, polyethylene) having gas permeability for the inner bag.

(Discharge member 4b)
The discharge member 4b is a member for discharging the aqueous stock solution C taken in through the valve 3b. The discharge member 4b includes a substantially cylindrical main body 41b attached to the tip of the stem 34b, an operation portion 42b extending substantially horizontally from the peripheral surface of the main body 41b, and an operation portion on the peripheral surface of the main body 41b. It is provided with a hinge portion 43b provided on the opposite side of the 42b. The main body 41b includes an injection passage (first pipeline 53) through which the aqueous stock solution C passes. One end of the first pipeline 53 communicates with the passage in the stem 34b, and the other end is connected to the enlarged diameter portion 44b. At the connection point between the main body portion 41b and the diameter-expanded portion 44b, an in-passage injection hole 54 for injecting the aqueous stock solution C into the diameter-expanded portion 44b is formed. The inner peripheral wall of the enlarged diameter portion 44b functions as a collision portion 45b with which the aqueous stock solution C injected from the injection hole 54 in the passage collides. The downstream end of the enlarged diameter portion 44b is opened as a discharge hole 52b. The hinge portion 43b has one end connected to the main body portion 41b and the other end connected to the container main body 21b.

The shape of the discharge hole 52b is not particularly limited. As an example, the shape of the discharge hole 52b may be circular, elliptical, square, or the like. As shown in FIGS. 4 and 5, the discharge hole 52b of the present embodiment has an elliptical shape that is long in the vertical direction.

According to the discharge product 1b provided with such a discharge member 4b, for example, the discharge member 4b is immersed in hot water, and in that state, the discharge hole 52b is pressed against an application location (for example, around the shoulder, neck, chest, etc.) for use. can do. In this case, the contents injected from the injection hole 54 in the passage collide with the collision portion 45b, and while appropriately decelerating, diffuse along the inner peripheral wall of the diameter-expanded portion 44b toward the discharge hole 52b. As described above, in the discharge product 1b of the present embodiment, the contents are introduced into the enlarged diameter portion 44b, and the pressure applied to the contents is reduced, so that fine bubbles are likely to be generated. Therefore, the contents discharged from the discharge hole 52b tend to stay around the discharge hole 52b for a longer time and maintain a cloudy state.

The embodiment of the present invention has been described above. In the present invention, for example, the following modified embodiments can be adopted.

(1) In the above embodiment (first embodiment), an embodiment in which the flow velocity of the contents is controlled mainly by colliding the contents with the collision portion has been illustrated. Alternatively, the discharge product of the present invention may control the flow velocity of the contents by another method or site. For example, in the discharge product, the shape and number of the first pipeline, the shape and number of injection holes in the passage, the shape and internal volume of the preliminary injection space, the shape and number of discharge holes, etc. are appropriately changed. , The flow velocity of the contents may be controlled.

(2) In the above embodiment (first embodiment), by adjusting the substantially L-shaped first pipeline, the formation direction of the preliminary injection space, and the like, the flow path of the contents is transmitted from the injection hole in the passage. An example shows a case where the direction is changed to a direction different from the direction when the injection is performed. In the present invention, instead of this, the flow path of the contents may be changed by another method. As an example, the flow path of the contents may be changed by appropriately adjusting the shape and number of injection holes in the passage and the shape and number of discharge holes.

(3) In the above embodiment, an embodiment in which the contents are discharged by the user continuing to operate the operation unit has been illustrated. Instead, the discharge product of the present invention may employ a discharge member and a valve that continuously discharge by one operation.

Hereinafter, the present invention will be described in more detail with reference to Examples. The present invention is not limited to these examples.

(Example 1)
The pressure-resistant container shown in FIG. 1 was filled with an aqueous stock solution, a valve was attached, and nitrogen gas was filled from the stem of the valve to manufacture a discharge product. A discharge member having a deceleration portion shown in FIG. 1 was attached. The pressure inside the container was 0.8 MPa (25 ° C.).
(Aqueous stock solution 1)
1,3-butylene glycol 5.0
Purified water 95.0
Total 100.0 (mass%)

(Example 2)
The pressure-resistant container shown in FIG. 3 was filled with an aqueous stock solution, a valve was attached, and nitrogen gas was filled from the stem of the valve to manufacture a discharge product. A discharge member having a dome portion shown in FIG. 3 was attached. The pressure inside the container was 0.8 MPa (25 ° C.).

(Example 3)
The inner bag (made of polyethylene) of the pressure-resistant container shown in FIG. 4 was filled with an aqueous stock solution, then the space between the outer container and the inner bag was filled with nitrogen gas, and a valve was attached. This was stored at room temperature for 3 days, and a part of nitrogen gas was permeated through an inner bag and saturatedly dissolved in an aqueous stock solution to produce a discharged product. A discharge member having an enlarged diameter portion shown in FIG. 4 was attached. The pressure inside the container was 0.8 MPa (25 ° C.).

(Comparative Example 1)
A discharge product was produced in the same manner as in Example 3 except that carbon dioxide gas was used instead of nitrogen gas.

(Comparative Example 2)
A discharge product was produced in the same manner as in Example 3 except that nitrous oxide gas was used instead of nitrogen gas.

(Comparative Example 3)
FIG. 6 is a schematic cross-sectional view of the discharge product 1c used in Comparative Example 3. In Comparative Example 3, a discharge product was manufactured in the same manner as in Example 3 except that the discharge product 1c provided with the discharge member 4c shown in FIG. 6 was used. The discharge product 1c of Comparative Example 3 does not have a speed reducing portion, and the injection hole in the passage of the first pipeline functions as a discharge hole. As a result, the contents are discharged from one end of the injection hole 54 in the passage.

The white turbidity of the discharged products produced in Examples 1 to 3 and Comparative Examples 1 to 3 was evaluated by the following evaluation methods. Further, the pressure (MPa) at 40 ° C. was evaluated for the discharged products of Example 3 and Comparative Examples 1 and 2. The results are shown in Table 1.

<Cloudy state>
The arm was immersed in hot water at 40 ° C., a discharge hole or an opening of a cover was provided at a position 1 cm away from the arm, and the state when the aqueous stock solution was sprayed was visually observed.
(Evaluation criteria)
◯ 1: The entire inside of the cover portion became cloudy due to the generated air bubbles and lasted for 30 seconds or longer.
◯ 2: Fine bubbles were discharged from the discharge hole, became cloudy around the discharge hole, and lasted for 30 seconds or more.
Δ: Slightly fine bubbles were generated, but did not become cloudy and disappeared immediately.
X: Large-grained bubbles were generated, but did not become cloudy and disappeared immediately.

<Pressure at 40 ° C>
The discharged products of Example 3, Comparative Example 1 and Comparative Example 2 were immersed in hot water at 40 ° C. for 30 minutes, and the pressure at 40 ° C. was measured. The results are shown in Table 1.

As shown in Table 1, in the discharged product of Example 1, the inside of the cover portion became cloudy due to the microbubbles throughout, and the cloudiness due to the microbubbles continued. Further, in the discharged product of Example 2, the inside of the dome portion became cloudy due to the microbubbles, and the white turbidity due to the microbubbles continued. The contents containing the microbubbles were then slowly discharged from the discharge hole of the dome portion. Further, in the discharge product of Example 3, fine bubbles were discharged from the discharge hole, and the discharge product remained cloudy around the discharge hole. On the other hand, the discharged products of Comparative Examples 1 to 3 had a short white turbidity time because they did not cause white turbidity due to microbubbles or large bubbles were generated.

Further, regarding the pressure at 40 ° C., the discharged product of Example 3 using nitrogen gas having an Ostwald coefficient of 0.1 or less was 0.86 MPa, and the pressure increase from the pressure (0.8 MPa) at 25 ° C. was It was small. Therefore, it was found that the discharged product of Example 3 is highly safe because the internal pressure does not easily change even when it is used in water at 40 ° C. On the other hand, the pressures of the discharged products of Comparative Example 1 and Comparative Example 2 using carbon dioxide gas (Comparative Example 1) and nitrous oxide (Comparative Example 2) having an Ostwald coefficient exceeding 0.1 were 0.96 MPa and 0. It was 94 MPa, which increased from the pressure at 25 ° C. (0.8 MPa) to more than 0.1 MPa.

1, 1a, 1b Discharge products 2, 2b Pressure-resistant container 21b Container body 21c Outer container 21d Inner bag 3, 3b Valve 31 Mounting cup 32, 32b Valve mechanism 33, 33b Housing 34, 34b Stem 35, 35b Stem rubber 36, 36b Spring 37b, 44a Intake holes 4, 4a, 4b Discharge member 41a Base 41b Main body 42a Dome 42b, 5 Operation 43a Internal pipeline 45a, 51 Mounting holes 45b, 47a, 56 Collision part 46a, 54 Injection hole in passage 48a Pressing part 49a 52, 52b Discharge hole 53 First pipeline 55 Preliminary injection space 57 Branch member 58 Nozzle 6 Cover part 61 Base end part 62 Bowl-shaped part 63 Expanded diameter part 64 Large diameter part C Aqueous stock solution S1 Internal space

Claims (6)

A pressure-resistant container filled with contents composed of an aqueous stock solution and a compressed gas, a valve attached to the pressure-resistant container, and a discharge member attached to the valve and formed with a discharge hole for discharging the contents. ,
The compressed gas has an Ostwald coefficient of 0.1 or less with respect to water at 25 ° C., and is dissolved in the aqueous stock solution at 1 to 1000 ppm.
The discharge member is provided with a speed reducing portion for reducing the flow velocity of the contents taken in from the valve in the discharge passage from the valve to the discharge hole.
The deceleration unit is formed with an in-passage injection hole into which the contents are injected in the discharge passage, and the contents injected from the in-passage injection hole collide with each other to dissolve in the aqueous stock solution. A discharge product containing a collision portion for promoting the vaporization of the compressed gas to generate fine bubbles. By colliding the contents with the collision portion, the deceleration unit changes the flow direction of the contents to a direction different from the direction in which the contents are injected from the injection hole in the passage, and then the contents are changed. The discharge product according to claim 1, which discharges from the discharge hole. The discharge product according to claim 1, wherein the speed reduction portion includes a diameter-expanded portion that expands the flow path of the contents injected from the injection hole in the passage toward the downstream side in the discharge passage. The discharge product according to claim 2, further comprising a cover portion that covers the peripheral edge of the discharge hole. The discharge product according to claim 1, wherein the speed reduction unit includes a hollow member having a storage space for storing the contents injected from the injection hole in the passage. The discharge member has a base portion attached to the valve and a hollow member attached to the base portion, and the base portion is formed with a communication hole for communicating the storage space and the outside, and the hollow member is formed. The discharge product according to claim 5, wherein the discharge hole is formed.

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