JP2013159398A - Liquid container with suction dispensing pump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid container with a suction dispensing pump which is well suited for a food container or a cosmetic container and has a good gas barrier property.SOLUTION: A liquid container with a suction dispensing pump is composed of a container body made by joining a sidewall portion and a bottom portion as separate structures together and having an upper opening, and a lid blocking the container body. The sidewall portion and the bottom portion have a laminated structure in which a synthetic resin layer and an oxygen barrier layer are laminated, respectively. The sidewall portion is a cylindrical body like a circular cylinder and a square cylinder. The cylindrical body has a folded joint in the vertical direction crossing a circumference at right angles. In the bottom portion, the peripheral portion has a rising portion formed rising by drawing molding. The rising portion is formed as the container body by being jointed at least to part of the whole circumference of the sidewall portion, and a mounting means of the suction dispensing pump to the upper opening has one configuration from among four kinds of specific configurations.

Description

  The present invention relates to a liquid container equipped with a suction-type dispensing pump device, and more particularly to a liquid-filled container having a gas barrier property and flexibility equipped with a suction-type dispensing pump device.

  As a liquid container configured to shrink (shrink) with the negative pressure in the liquid container as the liquid in the liquid container is aspirated and dispensed by the suction type dispensing pump device attached to the liquid container mouth, In general, a container body having a structure in which a bottom plate portion made of a synthetic resin is joined to a bottom portion of a cylindrical body made of a laminated film having oxygen barrier properties is known.

  A liquid container having gas barrier properties is suitable as a container for foods and cosmetics from the viewpoint of high safety and high quality retention in terms of hygiene because it has gas tightness and liquid tightness in addition to its gas barrier properties. .

  However, the conventional technology having the above-described configuration is still insufficient in terms of the sealing performance of each joint portion of the laminated film, and high safety and high quality retention are required due to the lack of gas barrier properties in the bottom plate portion made of synthetic resin. As a container for foods and cosmetics, there is a problem that problems and inconveniences may occur.

  Accordingly, an object of the present invention is to provide a liquid container with a suction-type dispensing pump device having excellent gas barrier properties suitable as a food container or a cosmetic container.

  The present invention for solving the above problems has the following configuration.

1. Suction-type dispensing having a suction-type dispensing pump device in which a container main body having an upper opening formed by joining a side wall portion and a bottom having a separate structure is attached to the upper opening and sucks and dispenses liquid. A liquid container with a pump device,
The side wall portion and the bottom portion each have a laminated structure in which a synthetic resin layer and an oxygen barrier layer are laminated,
The side wall portion is a cylindrical body such as a cylinder or a rectangular tube, and the cylindrical body has a bent joint portion in a vertical direction perpendicular to the circumference,
The bottom portion has an upright portion whose peripheral portion is formed upright by drawing, and the upright portion is joined to the entire circumference of at least a part of the side wall portion to form a container body.
In addition, the liquid container with a suction-type dispensing pump device is characterized in that a mounting means for the upper opening of the suction-type dispensing pump device has any one of the following configurations (1) to (4).
[Configuration of wearing means]
(1) A configuration in which a pump mounting portion into which the suction type dispensing pump device is screwed or fitted is joined and mounted to the upper opening. (2) The suction type dispensing pump is installed in the upper opening. A laminated seal in which a pump attachment portion to which the device is screwed or fitted is joined and attached, and the upper opening portion or the pump attachment portion is formed by laminating a synthetic resin layer and an oxygen barrier layer. A structure that is hermetically covered and is inserted through the suction pipe of the suction-type dispensing pump device, and is attached by screwing or fitting the suction-type dispensing pump device to the pump mounting portion ( 3) A configuration in which the suction-type dispensing pump device is directly joined and mounted in the upper opening. (4) A suction pipe of the suction-type dispensing pump device is inserted into the upper opening in a liquid-tight state. Pump removal that is the stabbed part The pump mounting portion is hermetically covered with a laminated seal in which a synthetic resin layer and an oxygen barrier layer are laminated, and the suction pipe is in a liquid-tight state. Configuration that can be made to penetrate inside and outside by piercing

2. The container main body portion of the liquid container with a suction-type dispensing pump device having the mounting structure of any one of (1) to (3) is configured to be accommodated in at least an outer container body covering the container main body portion. 2. The liquid container with a suction-type dispensing pump device according to 1 above.

3. The container main body portion of the liquid container with a suction-type dispensing pump device having the mounting configuration of (4) is configured to be accommodated in an outer container body covering at least the container main body portion,
The outer container body is fixed to the upper portion by a fixing means such as screwing, fitting, and fixing, and the outer frame body with the lower end opened, and the outer frame body with respect to the outer frame body An inner frame body that is detachable from the lower side,
When the container main body is accommodated in the inner frame body removed from the outer frame body and is inserted from the lower end side of the outer frame body, the suction pipe is pierced in a liquid-tight state into the pump mounting portion. The liquid can be extracted from the spout,
2. The liquid container with a suction-type dispensing pump device according to 1 above.

4). The suction-type dispensing pump or the pump attached portion is made of resin at least at a portion joined to the side wall portion,
The layer of the side wall portion located on the joint surface side in the joint portion between the side wall portion and the suction type dispensing pump or the pump attached portion is a resin portion of the suction type dispensing pump or the pump attached portion. A layer composed of the same kind of synthetic resin as
The liquid container with a suction-type dispensing pump device according to any one of the above items 1 to 3.

5. The suction type according to any one of the above 1 to 4, wherein the layer located on each joint surface side in the joint portion between the side wall portion and the bottom portion is a layer made of the same kind of synthetic resin. Liquid container with dispensing pump device.

  According to the first aspect of the present invention, it is possible to provide a liquid container with a suction-type dispensing pump device having excellent gas barrier properties suitable as a cosmetic container or a food container.

In particular, the side wall and the bottom of the cylindrical body that forms the container body both have gas barrier properties, and the joint between the side wall and the bottom is formed by drawing up the peripheral edge of the bottom and the entire circumference of the side wall. Therefore, even in this joined portion, a high gas barrier property is exhibited.
Further, the side wall portion that forms the cylindrical body also exhibits an effect that the gas barrier property at the bent joint portion is high because the joint portion in the vertical direction perpendicular to the circumference is a bent joint portion.

  According to the second or third aspect of the invention, the liquid container can be held independently even if it contracts (shrinks) as the negative pressure in the liquid container is reduced as the liquid in the liquid container is aspirated and dispensed.

  In particular, according to the third aspect of the present invention, when the suction pipe of the suction type dispensing pump device into the liquid container is pierced, the insertion operation of the outer frame body and the inner frame body is performed on the laminated seal of the suction pipe. Since the puncture guide function is achieved, the puncture can be surely and easily performed.

  According to the invention shown in claim 4 or 5, since the same kind of synthetic resins are bonded together, the bonding force is high and the gas barrier property at each bonding portion is extremely high.

Partially cutaway sectional view showing an embodiment of a liquid container with a suction-type dispensing pump device according to the present invention The principal part expanded end view explaining the joining state of the bending junction part of the side wall part of FIG. Fig. 1 is an enlarged cross-sectional view of the main part of the joint between the side wall and the bottom of Fig. 1. The principal part expanded sectional view which shows the other Example of the junction part of a side wall part and a bottom part Configuration front view showing the configuration of another embodiment of the liquid container with a suction type dispensing pump device according to the present invention The front view which shows the other Example of the liquid container with a suction-type extraction pump apparatus which concerns on this invention Structure explanatory drawing which shows the structure of the other Example of the liquid container with a suction-type extraction pump apparatus which concerns on this invention Structure explanatory drawing which shows the structure of the other Example of the liquid container with a suction-type extraction pump apparatus which concerns on this invention Structure explanatory drawing which shows the structure of the other Example of the liquid container with a suction-type extraction pump apparatus which concerns on this invention Expanded cross-sectional view of the main part of the pump mounting part

  Hereinafter, a liquid container with a suction-type dispensing pump device according to the present invention (hereinafter sometimes simply referred to as a liquid container) will be described with reference to the drawings.

The present invention includes liquid foods such as sauces, mayonnaise, soy sauce, edible oils, shampoos, conditioners, treatments, other hair products, liquid cosmetics such as cosmetic liquids and toothpastes, and other various types such as machine oils. A liquid container filled with a liquid (including a high-viscosity liquid such as a gel or jelly), and the liquid is collected by a suction-type dispensing pump device attached to an upper opening that is a mouth of the liquid container It has a structure that sucks and dispenses
As a concrete implementation configuration, as shown in FIGS.
A container body 5 having an upper opening and a side wall portion 2 and a bottom portion 3 which are separately configured, has a suction-type dispensing pump device 4 which is attached to the upper opening and sucks and dispenses liquid. A liquid container 1,
The side wall 2 and the bottom 3 each have a laminated structure in which a synthetic resin layer and an oxygen barrier layer are laminated,
The side wall portion 2 is a cylindrical body such as a cylinder or a square tube (cylindrical in this embodiment), and the cylindrical body has a bent joint portion 21 in the vertical direction perpendicular to the circumference,
The bottom portion 3 has an upright portion 31 whose peripheral portion rises by drawing, and the upright portion 31 is at least a part of the side wall portion 2 (in this embodiment, a lower end portion or a lower end vicinity portion). ) Is joined to the entire circumference, a bottom surface is formed, and the side facing the bottom surface of the cylindrical body is an upper opening, and the container body 5 is formed as a whole.
In addition, the suction type dispensing pump device 4 has a configuration in which a pump attached portion 6 that is screwed or fitted (screwed in the present embodiment) is joined and mounted to the upper opening. It is what.

  Further, each configuration will be described in detail.

  Among the laminated structure of the side wall part 2 and the bottom part 3, as a synthetic resin layer, the single-piece | unit or laminated body of biaxially stretched films or uniaxially stretched films, such as polyethylene, a polyethylene terephthalate, a polypropylene, polyamide, an ethylene vinyl alcohol copolymer, is mentioned. Of these, polyethylene film, polypropylene film, and polyethylene terephthalate film are preferable.

  Examples of the oxygen barrier layer laminated in order to impart gas barrier properties such as oxygen and water vapor to the synthetic resin layer described above include vapor deposition films obtained by vapor deposition of metals such as aluminum and magnesium, or oxides such as silicon oxide, and polyvinylidene chloride. Examples thereof include a coat film coated with a barrier coating agent such as an aluminum film, among which an aluminum film is preferable.

  The laminated structure of the side wall part 2 and the bottom part 3 may be different layer structures, but is preferably the same layer structure. Specific examples of the layer structure include a polyethylene film or a polypropylene film layer, an aluminum film layer, A preferred example is a four-layer structure in which a polyethylene terephthalate layer, a polyethylene film, or a polypropylene film layer is laminated in this order. In the case of this configuration, a polyethylene terephthalate layer can be used as a printing layer, and various information relating to contents such as product name, capacity, usage method, and manufacturer name can be printed and displayed on the printing layer.

  The side wall portion 2 having the above-described layer structure is joined by sandwiching the vertical sides of both ends of the substantially rectangular laminated film, bending the joint margin portion in one side, and further joining. It has become. As shown in FIG. 2 (A), by joining the vertical sides of both ends of the laminated film and joining them, this joining allowance 21A. 21B part will join the same surfaces, ie, the same kind of synthetic resin layers. Further, as shown in FIG. 2B, even when the joining allowances 21A and 21B are folded and fallen, the lower portion 21B when the joining allowances 21A and 21B are brought down is the joining allowance 21B. It joins in contact with the part which adjoins, ie, it becomes joining of the surfaces of the same kind of synthetic resin layer. Thus, by joining the same kind of synthetic resin, such joining becomes extremely strong and reliable joining, and leakage of contents from the bent joining portion 21 and intrusion of oxygen or the like can be prevented, and gas barrier properties are excellent. Joining. Furthermore, as shown in FIG. 2C, when the synthetic resin of the innermost layer and the outermost layer of the side wall 2 is the same type, the end portions of the vertical sides of the side wall 2 are overlapped with each other. It can be set as the structure joined by.

  In addition, the bent joint portion 21 is not limited to the configuration in which the vertical sides at both ends of the single laminated film described above are joined to each other, but as described in Japanese Patent No. 4165597 by the present applicant, Can be formed so as to form a cylindrical body by joining the vertical sides of both ends of the two laminated films, bending the joined portions, and further joining them.

  As described above, the side walls 2 of the cylindrical body can be formed by wobbling and joining the vertical sides of both ends of the substantially rectangular laminated film.

  Next, the bottom portion 3 having the above-described layer configuration has a configuration in which an upright portion 31 is formed at the peripheral portion by deep drawing.

  As described above, the side wall portion 2 and the bottom portion 3 are joined at the lower end portion of the side wall portion 2 or the portion near the lower end thereof. At this time, as shown in FIG. 3, the lower end of the outermost layer of the side wall 2 or the vicinity of the lower end and the innermost layer of the rising portion 31 of the bottom 3 are joined together. In order to exhibit excellent gas barrier properties by being strong and reliable, the same kind of synthetic resin layers should be joined to each other in the same manner as the joining in the bent joint portion 21. That is, it is preferable to configure each layer so that the outermost layer of the side wall portion 2 and the innermost layer of the rising portion 31 of the bottom portion 3 are the same type of synthetic resin layer.

  Moreover, in the present Example shown in FIG.1 and FIG.3, although the standing part 31 becomes a structure joined to the outer side of the side wall part 2, this invention is not limited to this structure, As shown in FIG. The upright portion 31 may be joined to the inside of the side wall portion 2.

  The pump attached part 6 joined to the upper opening of the container body 5 formed by joining the side wall part 2 and the bottom part 3 is a part attached by screwing the suction-type dispensing pump device 4 as described above. Yes, at least the portion to be joined to the side wall 2 is made of resin (in this embodiment, the whole is made of synthetic resin), and the strength retaining portion of the lip portion of the container body 5 (accommodated in an outer container body 8 described later). In this case, it is an important strength retaining part.), And is a resin molded product molded by a known resin molding means such as injection molding.

  In the embodiment shown in FIG. 1 (and the embodiment shown in FIGS. 9 and 10 described later), the side wall 2 and the pump mounting portion 6 are joined to the outer periphery of the pump mounting portion 6 inside the side wall 2. However, the present invention is not limited to such a configuration, and the configuration may be such that the outside of the side wall portion 2 is joined to the inner peripheral portion of the pump mounted portion 6. A publicly known joint structure can be adopted as the joint structure of the liquid container.

  Each of the above-described joint portions, that is, the joint of the bent joint portion 21 of the side wall portion 2, the joint of the side wall portion 2 and the raised portion 31 of the bottom portion 3, the joint of the side wall portion 2 and the pump mounted portion 6, etc. As the main joining means, known and commonly used welding / fusion / adhesion and other joining means can be used without any particular limitation.

  The material of the pump mounting portion 6 is a synthetic resin of the same type as the layer located on the bonding surface side of the side wall 2 when bonded to the upper end portion of the side wall 2. It is preferable in order to exhibit excellent gas barrier properties by ensuring the strength and reliability. In the case where the layer structure of the side wall part 2 is the structure described above, the polyethylene film or polypropylene film layer is positioned on the joining surface side, so the pump attached part 6 is preferably a molded body of polyethylene or polypropylene.

  The suction-type dispensing pump device 4 is attached to the pump attached portion 6 by screwing and fixing the suction-type dispensing pump device 4 to a screwed portion formed in the mouth portion 61 of the pump attached portion 6. A configuration can be mentioned. Note that this attachment is not limited to screwing and can be fitting. In the case of fitting, the fitting is performed in a detachable or fixed state, but is preferably a detachable fitting.

  As the suction-type dispensing pump device 4, a known and publicly-configured suction-type dispensing pump for this type of liquid can be used without any particular limitation, and the liquid is obtained by pushing the upper pressing portion 41. The liquid in the container 1 can be sucked from the liquid absorption pipe 42 and discharged from the discharge port 44 through the piston / cylinder in the pump operating unit 43. Note that the pump configuration of the suction-type dispensing pump device 4 is a general pump configuration used in this type of liquid container suction-type dispensing pump device, and therefore the description of the pump mechanism is omitted in this specification. To do.

  As mentioned above, although one Example of the liquid container with a suction type extraction pump apparatus concerning this invention was described, this invention is not limited to the said Example, Another aspect can also be taken.

  For example, the mouth portion 61 of the pump attached portion 6 in FIG. 5 may be configured to be hermetically covered with a laminated seal 62 in which a synthetic resin layer and an oxygen barrier layer are laminated. According to such a configuration, it is possible to maintain the quality maintenance of the liquid that is the contents from the time of filling and sealing the liquid in a factory or the like to the time of use, and the suction pipe 42 of the suction-type dispensing pump device 4 can be used in use. By piercing from the tip, the inside and outside are allowed to pass through, and the suction type dispensing pump device 4 is screwed or fitted to the pump attached portion 6 so that the liquid can be discharged by suction and dispensing.

  Moreover, as shown in FIG. 6, it can also be set as the structure by which the suction | inhalation type | formula extraction | pumping pump apparatus 4 is directly joined and mounted | worn to the perimeter of the upper end of the side wall part 2 which is an upper opening part of the container main body 5. FIG.

  Furthermore, the liquid container 1 according to the present invention is configured such that the container body 5 contracts in accordance with the internal negative pressure when the liquid is sucked and dispensed. As shown in FIG. 7, FIG. 8 or FIG. 9, it can be self-supporting because it maintains the cylindrical shape, but it cannot self-support by contracting as the liquid is aspirated and dispensed. It can also be set as the structure accommodated in the outer container body 7 and used.

  FIG. 7 shows a configuration in which the suction / pumping pump device 4 is attached from above after the container body 5 is inserted into the outer container body 7 having an open bottom and an upper opening type from below.

  FIG. 8 shows a configuration in which the annular upper lid 71 is fixed after the liquid container 1 is inserted into the upper open-type outer container body 7 from above.

  Further, FIG. 9 shows a container main body in which an upper opening is hermetically covered with a laminated seal 62 on an outer frame body 7A to which the suction type dispensing pump device 4 is attached as an outer container body 7 by screwing, fitting, fixing or the like. The inner frame body 7B that accommodates 5 is inserted, and the suction pipe 42 of the suction-type dispensing pump device 4 is inserted into the laminated seal 62 in a liquid-tight state so that the inside and the outside are passed through.

  In the embodiment shown in FIG. 9, the pump mounting portion 6 of the container body 5 is configured to be hermetically covered with a laminated seal 62 in which a synthetic resin layer and an oxygen barrier layer are laminated as shown in FIG. The suction pipe 42 of the type dispensing pump device 4 is pierced from the tip in a liquid-tight state, allowing the inside and outside to pass through, and the suction type dispensing pump device 4 is screwed into or fitted to the pump attached portion 6. Thus, it is possible to discharge by sucking and discharging the liquid.

1 Liquid container with suction / pumping pump (liquid container)
2 Side wall portion 21 Bent joint portion 22 Flange portion 3 Bottom portion 31 Upright portion 4 Suction-type dispensing pump device 41 Pressing portion 42 Suction pipe 43 Pump operation portion 44 Discharge port 5 Container body 6 Pump attached portion 61 Port portion 62 Laminated seal 7 outer container body 7A outer frame body 7B inner frame body 71 annular upper lid

Claims (5)

Suction-type dispensing having a suction-type dispensing pump device in which a container main body having an upper opening formed by joining a side wall portion and a bottom having a separate structure is attached to the upper opening and sucks and dispenses liquid. A liquid container with a pump device,
The side wall portion and the bottom portion each have a laminated structure in which a synthetic resin layer and an oxygen barrier layer are laminated,
The side wall portion is a cylindrical body such as a cylinder or a rectangular tube, and the cylindrical body has a bent joint portion in a vertical direction perpendicular to the circumference,
The bottom portion has an upright portion whose peripheral portion is formed upright by drawing, and the upright portion is joined to the entire circumference of at least a part of the side wall portion to form a container body.
In addition, the liquid container with a suction-type dispensing pump device is characterized in that a mounting means for the upper opening of the suction-type dispensing pump device has any one of the following configurations (1) to (4).
[Configuration of wearing means]
(1) A configuration in which a pump mounting portion into which the suction type dispensing pump device is screwed or fitted is joined and mounted to the upper opening. (2) The suction type dispensing pump is installed in the upper opening. A laminated seal in which a pump attachment portion to which the device is screwed or fitted is joined and attached, and the upper opening portion or the pump attachment portion is formed by laminating a synthetic resin layer and an oxygen barrier layer. A structure that is hermetically covered and is inserted through the suction pipe of the suction-type dispensing pump device, and is attached by screwing or fitting the suction-type dispensing pump device to the pump mounting portion ( 3) A configuration in which the suction-type dispensing pump device is directly joined and mounted in the upper opening. (4) A suction pipe of the suction-type dispensing pump device is inserted into the upper opening in a liquid-tight state. Pump removal that is the stabbed part The pump mounting portion is hermetically covered with a laminated seal in which a synthetic resin layer and an oxygen barrier layer are laminated, and the suction pipe is in a liquid-tight state. Configuration that can be made to penetrate inside and outside by piercing The container main body portion of the liquid container with a suction-type dispensing pump device having the mounting structure of any one of (1) to (3) is configured to be accommodated in at least an outer container body covering the container main body portion. The liquid container with a suction-type dispensing pump device according to claim 1. The container main body portion of the liquid container with a suction-type dispensing pump device having the mounting configuration of (4) is configured to be accommodated in an outer container body covering at least the container main body portion,
The outer container body is fixed to the upper portion by a fixing means such as screwing, fitting, and fixing, and the outer frame body with the lower end opened, and the outer frame body with respect to the outer frame body An inner frame body that is detachable from the lower side,
When the container main body is accommodated in the inner frame body removed from the outer frame body and is inserted from the lower end side of the outer frame body, the suction pipe is pierced in a liquid-tight state into the pump mounting portion. The liquid can be extracted from the spout,
The liquid container with a suction-type dispensing pump device according to claim 1. The suction-type dispensing pump or the pump attached portion is made of resin at least at a portion joined to the side wall portion,
The layer of the side wall portion located on the joint surface side in the joint portion between the side wall portion and the suction type dispensing pump or the pump attached portion is a resin portion of the suction type dispensing pump or the pump attached portion. A layer composed of the same kind of synthetic resin as
The liquid container with a suction-type extraction pump device according to any one of claims 1 to 3. The suction layer according to any one of claims 1 to 4, wherein a layer located on each joint surface side in the joint portion between the side wall portion and the bottom portion is a layer made of the same kind of synthetic resin. Liquid container with a pumping pump.

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