JPH10120054A - Ejection container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ejection container wherein oxidation of fluid which can not stand oxidation can be prevented, and also the fluid can be reliably ejected. SOLUTION: An inner container 1 with contents S sealed and made of a deformable material is received in a chamber 13 of an outer container 12. Further an ejection port 14 is provided on the outer container 12. A pump means 15 for pressure-feeding fluid into the chamber 13 and applying pressure to the inner container 11 is provided. An ejection path 16 connected to the inside of the inner container 11 and leading the contents S to the ejection port 14 is provided. Further a check valve 20 for always closing a flow of air into the inner container 11 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dispensing container, and more particularly, to a seasoning such as soy sauce, sauce, juice, mayonnaise, dressing, ketchup, dripping, cooking liquor, or a liquid such as pharmaceuticals which is resistant to oxidation. The present invention relates to a pouring container that can be suitably used for contents such as a colloid solution.

[0002]

2. Description of the Related Art Conventionally, soy sauce, sauce,
Seasonings such as mayonnaise and dressings, liquids such as pharmaceuticals, and colloidal solutions are sold in specified containers.When using the contents, remove the required amount directly from this container, or remove the container. When the volume is large and it is inconvenient to handle, it has been used after being transferred by a predetermined amount to a pouring container having a size convenient for handling.

[0003]

However, the above-mentioned conventional dispensing container has the following problems. That is, in the above-described pouring container, it is inevitable that air flows into the inside of the container every time the outlet of the container is opened and closed, and the contents are oxidized. As a result, seasonings such as soy sauce and mayonnaise were oxidized and spoiled the flavor, or the fragrance was scattered. In addition, when the container falls, the contents naturally flow out, and the floor and the table are sometimes stained.

SUMMARY OF THE INVENTION An object of the present invention is to solve such a problem, and it is an object of the present invention to prevent a liquid or a colloid solution, which is liable to be oxidized, from being oxidized and to reliably discharge the contents. Is to provide.

[0005]

Means for Solving the Problems The present invention relates to a dispensing container and is constituted as follows in order to solve the above-mentioned technical problems. That is, the spout container of the first invention is a container in which contents are sealed and made of a deformable material, an outer container having a chamber for accommodating the inner container and a spout, and a fluid in the chamber. Pump means for pressure-feeding the inner container, a spouting passage communicating with the interior of the inner container and guiding the contents to the spout, and air flowing into the inner container provided in the spouting passage And a check valve for constantly closing the valve.

Here, a deformable material is used for the inner container, but the inner container can be formed in a deformable shape, for example, a bellows shape. Examples of the deformable material constituting the inner container include low-density polyethylene (LD)
It is preferable to use a flexible and thin material such as PE) and ethylene-vinyl acetate copolymer (EVA). However, since this material alone has high oxygen permeability, it is necessary to solve the technical problems in the present invention. May not always be enough.

Therefore, it is preferable to use a flexible and deformable thin material having a barrier property (resistance to oxygen permeability). Therefore, for example, a thin multi-layer structure formed by using a thin polyvinylidene chloride (PVDC) or a low-density polyethylene (LDPE) and an ethylene vinyl alcohol copolymer resin (EVOH) over an adhesive layer is not oxygen permeable. Things can be exemplified.

[0008] In the case where the content of a drug or the like is used, polyvinylidene chloride (PVD) is used as a material having no oxygen permeability and water permeability because it requires non-water permeability.
C), polyethylene terephthalate (PET), polyvinyl chloride (PVC) and the like. Further, the inner container is preferably a tube container or a cartridge type in which the content is sealed in advance and sold.

Although the type of the pump means is not limited, it is preferable to use a piston pump type. It is also preferable that a stopper is provided at a predetermined position on the piston so that a fixed amount of contents can be poured out by one stroke of the piston.
The fluid is preferably air, but a liquid such as water or oil may be used.

[0010] Further, the dispensing container according to the second aspect of the present invention includes an inner container in which contents are sealed and made of a deformable material, an outer container provided with a chamber for accommodating the inner container and a spout, and the inner container. A bag body located at the bottom of the container, pump means for pumping a fluid to the bag body to pressurize the inner container, an ejection path which communicates with the interior of the inner container and guides the contents to the spout, A check valve provided in the discharge passage and always closing air from flowing into the inner container.

[0011] In this case, the bag body may be configured to be inflated by a high-pressure fluid sent from a pump mechanism, such as a rubber balloon. Further, in order to reliably transmit the inflated state of the bag to the inner container, it is preferable to interpose a guide plate between the inner container and the bag. However, this guide plate is not an essential component of the present invention.

Still further, the pouring container according to the third aspect of the present invention comprises an inner container in which contents are sealed and formed of a deformable material, and a deformable material provided with a chamber for accommodating the inner container and a spout. An outer container, a spouting channel communicating with the interior of the inner container and guiding the contents to the spout, and a first checker provided in the spouting channel and always closing air from flowing into the inner container. It is characterized by including a valve, an air passage formed in the outer container and communicating with the atmosphere, and a second check valve provided in the air passage and always closing outflow of indoor air.

Materials usable as the outer container of the third invention include deformable synthetic resins such as polypropylene, polyethylene, polycarbonate, polyethylene terephthalate, polyvinyl chloride, and high impact polystyrene.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment Hereinafter, a spout container of the present invention will be described in more detail with reference to an embodiment shown in the drawings. FIG. 1 is a sectional view of a dispensing container 10 according to a first embodiment of the present invention, FIG. 2 is a sectional view of a modified example of this embodiment, and FIG. 3 is a pump means used in the modified example of FIG. FIG. 4 is a partial cross-sectional view of a check valve provided in an ejection path, FIG. 5 is a partial cross-sectional view of a check valve according to a modification, and FIG. It is a fragmentary sectional view of another modification of a valve.

The dispensing container 10 of the present invention includes an inner container 11 in which a seasoning such as soy sauce or sauce is sealed as the contents S, and an outer container 12 provided with a chamber 13 for accommodating the inner container 11. The inner container 11 is made of polyvinylidene chloride resin (PVDC) which is a deformable material having no oxygen permeability and moisture permeability.

Alternatively, the inner container 11 is made of low-density polyethylene (LDPE) which is flexible but has gas permeability.
An ethylene-vinyl alcohol copolymer resin (EVOH) having extremely low oxygen permeability and moisture permeability has a multilayer structure such as LDPE / adhesive layer / EVOH / adhesive layer / LDPE. A synthetic resin tube container having both non-permeability properties is used. In addition, as the material having no oxygen permeability, nylon, polyvinyl chloride, or the like can be used at the center.

Further, the outer container 12 is composed of a main body 12a and a lid 12b, both of which are screwed and integrated, and has a chamber 13 for accommodating the inner container 11 therein.
The outer container 12 has a spout 14 and the inner container 11.
Male screw 4 formed on the outer peripheral surface of the mouth 11a of the outer container 1
The inner container 11 is attached to the outer container 12 by being screwed into the female screw 5 provided on the second lid 12b. Needless to say, in order to attach the inner container 11 to the outer container 12, other than the above-mentioned screwing, appropriate means such as fitting the both can be adopted.

The chamber 13 is connected to a pump means 15 for pumping the fluid to pressurize the inner container 12. The pump means 15 includes a cylinder 6 erected on a lid 12 b of an outer container 12, and a piston 8 urged outward by a spring 7 is incorporated in the cylinder 6.
The piston 8 has a cap shape, and has an air intake port 8a opened at its head. A check valve 9 having a ball 9b urged by a spring 9a is provided on the bottom side of the cylinder 6. Further, a stopper 8b is provided on the piston 8, so that a predetermined amount of the contents S can be poured out every stroke of the piston 8.

Incidentally, as in a modified example 10A of the present embodiment shown in FIGS. 2 and 3, a passage 1 communicating with the pump chamber 15a is provided.
5b and an opening 15c extending from the passage 15b to the chamber 13.
Is provided on the lid 12b of the outer container 12, and the shaft 19 is provided with a tube 17 made of an elastic material such as rubber.
Can be used as the check valve 9 provided in the pump means 15.

Further, in the embodiment shown in FIG. 1, the pouring container 10 is formed with a pouring passage 16 which communicates with the inside of the inner container 11 and guides the contents S to the pouring port 14. This spouting channel 16 has the spout 14 at its tip,
A pipe 16a formed in a box-shaped body 18 attached to the lid 12b of the outer container 12, and a pipe connecting the through-path 16a and the inner container 11 side in a space 21 provided in the box-shaped body 18. It is constituted by a member 16b.
In addition, the pouring path 16 is connected to the pipe member 16b as described above.
They can be formed by one member without combining them.

Further, the inner container 11 is provided in the pouring path 16.
Is provided with a check valve 20 which constantly closes the flow of air into the inside. In the present embodiment shown in FIG. 1, the check valve 20 has a cylindrical shape and is formed integrally with the lid 12b. One end 20a of the check valve 20 is fitted with a pipe member 16b constituting the pouring passage 16, and a seating surface 20c of the ball 22 is formed on the other end 20b side. As shown in FIG. 4, the check valve 20 is provided with a cylindrical portion 20d at the center, the inside of the cylindrical portion 20d is used as a flow path 20f, and a plurality of ribs 20e extending from the periphery to the cylindrical portion have seating surfaces. 20c are formed.

Further, the check valve 20 is, as shown in FIG.
A spring 26 is disposed on the step 16c provided in the pouring passage 16, and a mushroom-shaped valve member 27 urged by the spring 26 can be used. The valve seat 25 is provided in contact with the mouth 11a of the inner container 11, and the seating surface 2 of the valve seat 25 is provided.
The mushroom-shaped valve member 27 can also be seated on 5a. When the check valve 20 is configured in this manner, the flow of air into the inner container 11 is reliably closed. In addition, a ball 22 can be provided instead of the mushroom-shaped valve member 27 as in a modification of the present embodiment shown in FIG.

Further, the check valve 20 is, as shown in FIG.
An opening / closing valve 23 may be provided in the spouting channel 16 formed in the lid 11 a of the outer container 11, and may be pressed by the atmospheric pressure to close the opening 11 a of the inner container 11.

Next, the operation of the dispensing container 10 according to this embodiment will be described. The head of the piston 8 of the pump means 15 is pressed by a finger against the spring 7. The air in the pump chamber 15a is compressed to a high pressure, and the ball 9 of the check valve 9
b or the tube 17 (see FIG. 3) to open the check valve 9 and flow into the chamber 13.

When the pump means 15 is pressed a plurality of times, the compressed air fills the chamber 13 and the pressure in the chamber 13 further increases. Then, every time the pump means 15 is operated, the chamber 1
The compressed air in 3 pressurizes the inner container 11, and the inner container 11 is deformed to discharge the contents S from the discharge passage 16 to the outside via the outlet 14. In this way, a desired amount of the contents S is taken out of the pouring container 10.

On the other hand, immediately after the inner container 11 is pressed by the compressed air to pressure-feed the contents S to the outside, the ball 22 of the check valve 20 is pressed to the atmospheric pressure and the seating surface of the check valve 20 by its own weight. Sit at 20c. Therefore, the mouth 11a of the inner container 11 is closed, and air does not flow into the inner container 11.

Alternatively, in the case of the check valve 20 shown in FIG. 5, a mushroom-shaped valve member 27 urged by a spring 26 after the contents S is poured out is located at the mouth portion 11a of the inner container 11. Since the part 25 is always closed, air does not flow into the inner container 11. In the case of the check valve 20 shown in FIG. 6, after the on-off valve 23 is pushed and the contents are poured out, the on-off valve 23 is pushed to atmospheric pressure similarly to the ball 22 disclosed in FIG. The eleventh opening 11a is closed to prevent air from flowing into the inner container 11 at all times.

[0029]

Second Embodiment Further, a second embodiment of the present invention will be described. FIG. 7 is a cross-sectional view of a pour container 30 according to the second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the detailed description is omitted.

The outer container 12 has a main body 12a and a lid 12b, and the lid 12b has a box shape. The lid 12b is provided with a cylinder 6 forming a pump means 15 on the upper part,
A pump chamber 15a formed in the cylinder 6 has a passage 15c.
Through the suction chamber 21 provided in the lid 12b.

The intake chamber 21 has an air intake port 8a and communicates with the atmosphere via a hinge valve 28 for opening and closing the air intake port 8a, while communicating with the chamber 13 via a passage 24. Further, a hinge valve 29 is provided between the intake chamber 21 and the passage 15c.

Next, the operation of the dispensing container 30 according to this embodiment will be described. When the pump means 15 is operated, the air in the pump chamber 15a is compressed and flows into the intake chamber 21 from the passage 15c. At this time, the hinge valve 28 which was opened as indicated by the imaginary line before the pump means 15 was operated,
29 is closed and the compressed air flows into the chamber 13 via the passage 24.

Then, the inner container 11 is deformed as shown by the imaginary line and presses the contents S. The contents S are discharged from the outlet 14 through the check valve 20 and the discharge passage 16 to the outside. In this way, a desired amount of contents is taken out. Since the check valve 20 prevents air from flowing into the container body 31, the contents S are not oxidized.
Alternatively, when the inner container 1 is made of a synthetic resin having no moisture permeability, moisture does not penetrate, so that the quality of the contents does not deteriorate.

[0034]

Third Embodiment Further, a third embodiment of the present invention will be described. FIG. 8 is a sectional view of a pour container 40 according to the second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the detailed description is omitted.

In the embodiment of the present invention, the inner container 110 in which the contents S are sealed is a bellows-shaped container, and the guide plate 35 is in contact with the bottom 110a of the bellows-shaped container 110.
The guide plate 35 has a convex spherical surface 35a that matches the concave spherical surface formed on the bottom 110a, and the outer surface 35a is formed on the inner surface 36 of the main body 12a of the outer container 12.
You can be guided up and down.

Further, the pump means 15 for pressurizing the inner container 110 by forcing air into the bag 32 has a piston 8 housed in the cylinder 6. The pump chamber 15a in the cylinder 6 communicates with a passage 15b passing through a shaft 19 protruding from the lid 12b. One end of an air pipe 37 is fitted and fixed to the shaft portion 19. The other end of the air pipe 37 is connected to a port 38 formed at one end of the bag 130. The port 38 protrudes toward the air port 37 through a through hole 39 formed in the guide plate 35.

Next, the operation of the pouring container 40 according to this embodiment will be described. When the pump means 15 is operated, the compressed air is supplied from the air pipe 37 through the port 38 to the bag 13.
Flows into zero. As described above, when the compressed air flows into the bag 130, the bag 130 gradually expands and pushes up the guide plate 35. The bellows container 110 which is an inner container is a guide plate 3
5, the contents S are discharged from the outlet 14 through the discharge passage 16 from the check valve 20.

[0038]

[Fourth Embodiment] A fourth embodiment of the present invention will be described. FIG. 9 is a sectional view of a pour container 50 according to the fourth embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the detailed description is omitted.

The pouring container 50 of the present invention includes an inner container 11 in which a seasoning such as soy sauce or sauce as the contents S is enclosed, and an outer container 12 in which the inner container 11 is stored. The outer container 12 is composed of a main body 12a and a lid 12b, which are fitted and integrated with each other, and have a chamber 13 for accommodating the inner container 11 therein.

The outer container 12 is made of deformable polypropylene. Further, the cylindrical main body 12a and the lid 12b provided with the injection port 53 constituting the outer container 12 are detachable and airtightly fitted to each other. The lid 12b has a hemispherical upper part and a cylindrical lower part, and a partition 56 is internally joined to an inner lower end thereof so as to cover the opening 57. The partition 56 has a peripheral edge bent vertically, and a pouring passage 58 communicating with the inner container 11 penetrates the center. The bent outer peripheral edge of the partition plate 56 is in contact with the inner lower end of the lid 12b, and a screw is formed on the inner peripheral edge. I have. Thereby, the lid 12b is attached to the main body 1
2a is fitted with a screw screw 55.

The inside of the hollow lid 51b is provided with
8 is provided in a curved shape, the tip of which is a spout 53,
It projects downward from the lid 12b. A first check valve 54 is provided in the outlet 58 at a portion penetrating the partition 56.
Is provided, and an inner container 11 is joined to one lower end thereof.

The air passage 61 provided in the partition plate 56 includes
A second check valve 60 is provided, which is opened only when air is sucked into the chamber 13 from the hollow portion of the lid 12b communicating with the outside air, and the air in the chamber 13 is not discharged to the outside. ing.

Next, the operation of the dispensing container 50 according to this embodiment will be described. When the outer container 12 is squeezed, the internal air is compressed to a high pressure, and the inner container 11 is compressed. Then, the contents S of the inner container 11 reach the spout 53 via the spouting channel 58 and are spouted outside.

When the squeezing operation is stopped, the outer container 12 returns to its original shape. At this time, the second check valve 60 opens while the first check valve 54 closes. Therefore, air does not flow into the inner container 11 but flows into the outer container 12. Such an operation is repeated every time the outer container is squeezed.

[0045]

As described above, according to the dispensing container of the present invention, the inner container is pressed by the fluid and the contents are surely poured out of the dispensing container, and the dispensing path is non-return. Since the valve is always closed by the valve, deterioration of quality due to oxidation of the fluid is prevented.

Further, when the inner container is made of a multilayer synthetic resin having no oxygen permeability, the effect of preventing the fluid from being oxidized becomes more reliable. In addition, when the inner container is made of a material having a property of impermeability to moisture in addition to the property of impermeability to oxygen, adverse effects on the contents due to moisture can be prevented.

In addition, since the discharge is performed by the high-pressure fluid by the operation of the pump, the contents are reliably discharged. Furthermore, if the stroke amount of the pump is made constant, it becomes possible to dispense a fixed amount of contents. The use of the container for dispensing seasonings is convenient for controlling the intake of salt and sugar. Alternatively, a predetermined amount of the medicine can be dispensed also as a medicine dispensing container.

[Brief description of the drawings]

FIG. 1 is a sectional view of a dispensing container according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a dispensing container according to a modification of the first embodiment.

FIG. 3 is a sectional view of a valve of a pump used in a modification of FIG. 2;

FIG. 4 is a partial sectional view of a check valve used in a fluid delivery path.

FIG. 5 is a partial sectional view of another check valve used in the fluid delivery path.

FIG. 6 is a partial cross-sectional view of yet another check valve used in a fluid delivery path.

FIG. 7 is a sectional view of a second embodiment of the present invention.

FIG. 8 is a sectional view of a third embodiment of the present invention.

FIG. 9 is a half cut side view of a fourth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Inner container 110 Inner container (bellows type container) 110a bottom part 12 Outer container 13 Room 130 Bag body 14 Spout port 15 Pump means 16 Outlet path 20 Check valve S Contents

Claims (3)

[Claims] 1. An inner container 11 in which contents S are sealed and made of a deformable material, and a chamber 13 for accommodating the inner container 11.
And an outer container 12 having a spout 14 and a pump means 1 for pumping a fluid into the chamber 13 to pressurize the inner container 11.
5, an outlet 16 communicating with the interior of the inner container 11 and guiding the contents S to the outlet 14; and an inlet for air flowing into the inner container 11 provided in the outlet 16 is always closed. And a check valve 20 for discharging. 2. An inner container 110 in which the contents S are sealed and made of a deformable material, an outer container 12 having a chamber 13 for accommodating the inner container 110 and a spout 14, and a bottom portion of the inner container 110 A bag 130 located at 110a, a pump means 15 for pumping a fluid to the bag 130 to pressurize the inner container 110, and communicating the inside of the inner container 110 with the contents S through the spout 14. A spout container, comprising: a spouting path 16 for guiding; and a check valve 20 provided in the spouting path 16 for always closing air from flowing into the inner container 110. 3. An inner container 11 in which the contents S are sealed and made of a deformable material, and a chamber 13 for accommodating the inner container 11.
And an outer container 12 made of a deformable material having a spout 53 and the interior of the inner container 11 and communicating with the spout 53
, A first check valve 54 provided in the inside of the inner container 11 for always closing the air from flowing into the inner container 11, and an atmosphere formed in the outer container 12. Check valve 60 provided in the air passage 61 and always closing outflow of air in the chamber 13
And a dispensing container comprising: