JP4277568B2 - Pressurized pouch-type container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bag-like container such as a pouch suitable for filling semi-fluid or fluid contents such as foods, beverages, and detergents, and particularly suitable for dispensing the contents by pressurization. The present invention relates to a pressure-poured bag-like container.
[0002]
[Prior art]
In recent years, bag-like containers such as pouches are frequently used as containers that are filled with contents such as foods, beverages, detergents, and adhesives and are arranged on store shelves.
FIG. 7 is a perspective view of a planar pouch according to an example of such a bag-like container.
The bag-like container 100 includes a body portion 101 formed of a soft packaging material, and a seal portion 103 that seals the periphery of the body portion 101. A nozzle 104 projecting obliquely from the body 101 is formed at one corner of the body 101, and a spout is formed at the tip of the nozzle 104 by cutting the tip 105 of the nozzle 104 with a cutting line 105a. An opening is formed.
[0003]
The refilling operation of the contents using such a bag-like container 100 will be described with reference to FIG.
First, the tip portion 105 is cut along the cut line 105 a, and a spout is opened at the tip of the nozzle 104.
Next, as shown in FIG. 8A, the container B such as a bottle for refilling the contents M and the bag-like container 100 are tilted by hand, and the tip of the nozzle 104 of the bag-like container 100 is brought into the mouth of the container B. Insert into part Ba. And the injection | pouring of the content M from the bag-shaped container 100 to the container B is started, tilting the container B and the bag-shaped container 100 gradually.
[0004]
Thereafter, as shown in FIG. 8 (b), the bag-like container 100 is further tilted to increase the amount of the content M poured out from the spout 104 a of the bag-like container 100.
When the remaining amount of the contents M decreases, as shown in FIG. 8C, the bag-like container 100 is turned upside down almost vertically, and the contents M are injected into the container B.
With the above procedure, the refilling operation of the contents from the bag-like container 100 to the container B is completed.
[0005]
By the way, in the above-mentioned bag-like container 100, the thing which can pour the contents M easily and can be refilled with the container B is maintained, maintaining the stable flow to the last.
[0006]
Furthermore, in the bag-like container 100 as described above, the opening operation of the spout is easy, and it is required to finish the dispensing of the contents M in a short time.
For this reason, the central part has a shape that is easy to bend, and a weak part that is easily ruptured made of aluminum foil or thin film is provided on the entire circumference or a partial circumference of the central part of the container having a hardness that can be folded with fingers. There has been proposed a structure in which a weak portion is cut open by bending a central portion of the container (see, for example, Patent Document 1 and Patent Document 2).
[0007]
[Patent Document 1]
Japanese Patent Laid-Open No. 57-204870 [Patent Document 2]
JP-A-2002-255243
However, in the conventional bag-like container 100 as shown in FIG. 7, even when the bag-like container 100 is pressurized with one hand, the contents are not easily pressurized, and the pressure at the time of pressurization is applied to portions other than the spout. There was a problem that it was not possible to escape and efficiently push out the contents. Therefore, when pushing out the contents by pressurization, it is necessary to pressurize the bag-like container 100 using both hands. However, if both hands are used, it becomes impossible to support a bottle or the like for refilling the contents, and the refilling is performed. There was a problem that work became unstable.
[0009]
Further, in the bag-like containers described in Patent Documents 1 and 2, since the spout opens at a substantially central portion of the bag-like container, the spout is likely to expand in the lateral direction, and a narrow mouth portion such as a bottle is formed. There is a problem that it is not suitable for refilling into a container. This problem can be solved by attaching a nozzle made of a separate member to the portion where the spout is formed, but if a nozzle made of a separate member protrudes from the center of the bag-like container, the manufacturing cost increases, and The bag-like container is bulky and causes problems such as an increase in transportation cost.
[0010]
[Problems to be solved by the invention]
The present invention has been made in view of the above problems, and is a bag-like container suitable for allowing the contents to be poured out by pressurizing the trunk with one hand, such as a bottle having a small inner diameter of the mouth. An object of the present invention is to provide a pressure-poured bag-like container that is suitable for refilling work and can be manufactured at low cost.
[0011]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 is characterized in that a barrel portion formed from a soft wrapping material and formed with a spout for pouring out the contents, and a seal formed around the barrel portion. In a bag-like container having a folding part that is a reference when folding the body part formed in the middle part of the body part and the body part ,
A nozzle that protrudes from the recessed portion inside the barrel portion to the seal portion is provided at one end of the fold portion, and the barrel portion that is folded at the fold portion is pressurized, and the contents from the nozzle spout It is as composition which pours out.
According to this configuration, the body portion can be folded around the folding portion, and the amount of content discharged from the spout can be increased by pressurizing the folded body portion by gripping the body portion. Can do.
The number of folding parts may be one or more, and the number of folding stages is not limited to one but may be two or more.
[0012]
In this case, a spout of the nozzle is formed in a part of the seal part, and a part of the seal part is peeled off by an internal pressure of the contents when the body part is folded in two at the folding part. The nozzle outlet may be opened .
In addition, when opening a spout by the applied pressure when grasping a trunk | drum, it is good to form a part of seal part in which the said extraction part is formed with the weak adhesion part with weak adhesive force.
By doing so, the spout is formed in a protruding shape at the front end of the body portion folded along the fold portion without providing a spout portion such as a nozzle made of a separate member. Refilling into a container such as a small bottle becomes easy.
The body portion may be provided with two chambers (small rooms) for accommodating a plurality of types of contents. In this case, two chambers are provided in the body part with the folding part as a boundary. And it is good to make the said spout common to each chamber open to the end of the said folding part. By doing in this way, it becomes possible to mix two types of contents simultaneously with the dispensing of the contents.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of a bag-like container according to the present invention will be described with reference to the drawings.
FIG. 1 is an explanatory view of a pressure-poured bag-like container according to the first embodiment of the present invention, in which (a) is a perspective view of the bag-like container, and (b) is a II direction of (a). It is a cross-sectional enlarged view.
[0014]
As shown to Fig.1 (a), the bag-shaped container 1 has the trunk | drum 11 and the seal parts 13a-13d formed by sealing the circumference | surroundings, and is shape | molded by the sealing form.
A folding part 11a is formed at the approximate center of the body part 11 so as to cross the body part 11 from one seal part 13a toward the other seal part 13b. The folding part 11a may be formed on the surface of the body part 11 by printing or the like so as to serve as a mark when the body part 11 is folded in two, but as shown in FIG. A groove shape formed by partially denting the surface of the body portion 11 may be used, or a mountain shape protruding in a mountain shape may be used. Such a groove-like fold portion 11a or mountain-like fold portion can be formed by, for example, male-female molding, but is formed by using laser processing or the like to be described later when forming the cut line 15a. can do.
[0015]
By forming the folding part 11a at substantially the center of the body part 11, the body part 11 can be easily folded in two with the folding part 11a as the center. Then, the body part 11 is bent at the folding part 11a and folded in two by simply grasping the sealing parts (seal part 13c and sealing part 13d) on both sides of the body part 11 parallel to the folding part 11a and applying a force inside. Will be able to.
A nozzle 14 serving as a dispensing portion is formed at one end of the folding portion 11a (in this embodiment, one end on the side of one seal portion 13a). The nozzle 14 has a spout opening formed by cutting the tip 15 with a cut line 15a.
[0016]
In addition, as a soft packaging material which forms said bag-shaped container 1, for example, crystalline polypropylene, crystalline propylene-ethylene copolymer, crystalline polybutene-1, crystalline poly-4-methylpentene-1, low, Polyolefins such as medium or high density polyethylene, linear low density polyethylene, ethylene-acetic acid copolymer (EVA), ethylene-ethyl acrylate copolymer (EEA), ion-crosslinked olefin copolymer (ionomer), polystyrene Nitriles such as aromatic vinyl copolymers such as styrene-butadiene copolymers, halogenated vinyl polymers such as polyvinyl chloride and vinylidene chloride resins, acrylonitrile-styrene copolymers, acrylonitrile-styrene-butadiene copolymers Polymers, nylon 6, nylon 66, para or metaxylylene adipamide, etc. Polyamides such as lyamides, polyethylene terephthalate, polytetramethylene terephthalate, various polycarbonates, polyacetals of polyoxymethylenes, thermoplastic resin films such as biodegradable resin films, and those having a single layer structure such as paper, the above resins The thing of the multilayer structure which laminated | stacked the film, paper, etc. can be used.
[0017]
FIG. 2 is a perspective view showing an example of the refilling operation using the bag-like container 1 having the above-described configuration.
First, the tip portion 15 is cut off by the cut line 15 a, and the spout 14 a is opened at the tip of the nozzle 14. Next, while inserting the spout 14a into the mouth of the container B, the body 11 is folded in two at the folding part 11a as shown in FIG.
And the body part 11 folded in half is gripped with the fingers H and pressurized to increase the internal pressure of the contents. Thereby, the contents are poured out into the container B vigorously from the spout 14a.
[0018]
According to the bag-like container 1 of this embodiment, the amount of extraction from the outlet 14a can adjust the pressure applied by the finger H. In this case, when the pressure applied by the finger H is increased to increase the amount of dispensing, that is, when a force is applied in the direction indicated by the arrow X1 in FIG. A force is applied in the direction indicated by the arrow X2 to cancel the force to reduce the opening width of the spout 14a. For this reason, the opening width of the spout 14a is always kept at a certain level or more, and the amount of spout can be increased as the pressurizing force is increased.
[0019]
FIG. 3 is a perspective view of a pressure-poured bag-like container according to the first reference embodiment of the present invention.
In this bag-like container 2, a weak seal part having weaker adhesiveness than the seal part 23 a is formed in a part of the seal part 23 a within an allowable range of drop bag breaking resistance, and the pouring part 24 is formed. Provided. In addition, as long as adhesiveness can be weakened rather than the seal part 23a, you may make it provide the extraction | pouring part 24 by a point seal.
In this embodiment, when the body part 21 folded in half is gripped with the fingers H and pressurized, the high pressure content breaks the weak seal part, and the spout is formed as an opening.
[0020]
FIG. 4 is a perspective view of a pressure-poured bag-like container according to a second reference embodiment of the present invention.
In the bag-like container 3, an arc-shaped cut line 35a is formed in a part of the seal portion 33a, and the cut portion 35 is cut off by the cut line 35a. In this embodiment, the cutout portion 35 is separated from the body portion 31, whereby an arc-shaped extraction portion 34 is formed in a part of the body portion 31.
As in the first reference embodiment , the seal of the dispensing portion 34 has a lower adhesiveness than the seal portion 33a within the allowable range of drop bag breaking resistance, and pressurizes the contents. The weak seal portion is easily broken.
[0021]
FIG. 5 is a perspective view showing an example of the refilling operation using the bag-like container 3 in the second reference embodiment .
First, the cutout part 35 is cut off from the body part 31 to form the extraction part 34.
Next, as shown in FIG. 5 (a), while inserting one end portion of the folding portion 31a (the portion where the extraction portion 34 and the folding portion 31a intersect) into the mouth of the container B, The body 31 is folded in half.
In this state, when the body portion 31 is gripped with the finger H and pressurized, the internal pressure of the contents rises, and when the applied pressure becomes a certain level or more, the weak seal portion of the dispensing portion 34 breaks and the spout An opening 34a is formed. At the same time, the contents are poured out into the container B from the spout 34a.
[0022]
In the bag-like container 3 of the second reference embodiment , the spout 34a is formed where it protrudes from the body portion 31, and the opening width of the spout 34a does not expand beyond a certain level. It becomes easy to insert into the mouth part of containers B, such as injection | pouring of the contents. In addition, since the spout 34a is deformed in a funnel shape due to the internal pressure of the contents, and the contents poured out from the spout 34a are directed in a substantially constant direction, the possibility of the contents spilling from the mouth of the container B is extremely small. Become.
[0023]
Furthermore, also in the second reference embodiment , when the pressure applied by the finger H is increased and a force is applied in the direction indicated by the arrow X1 in FIG. A force is applied to the base in the direction indicated by the arrow X2, and the force in the direction to reduce the opening width of the spout 34a can be canceled out, and the amount of discharge can be increased in accordance with the increase in the applied pressure.
In addition, the above-mentioned effect | action is the same also in the bag-shaped container 2 of 1st reference embodiment .
[0024]
Since the pressure-poured pouch-shaped container of the present invention has pour-out portions (nozzles) 14, 24, 34 in the middle of the body portions 11, 21, 31, the outer shape of the pouch-shaped container from one sheet. There is an advantage that can be cut out continuously.
FIG. 6 is a diagram illustrating an example of a process of manufacturing a bag-like container.
In the example shown in FIG. 6, a manufacturing process of a bag-like container in which a nozzle 44 is formed so as to protrude substantially at the center of the body portion 41 is shown.
As shown in FIG. 6, the body 41 having the nozzles 44 can be continuously formed on the long sheet S. And after sealing two sheets S and sealing a required part, the cylindrical part 41 which has the nozzle 44 is cut out from the sheet | seat S, and a sealed bag-shaped container can be shape | molded.
The folding part 41a for facilitating the folding of the body part 41 may be formed before the nozzle 44 and the body part 41 are separated from the sheet S as shown in FIG. You may make it do.
[0025]
Although preferred embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments.
For example, in the above description, a planar bag-like container is described as an example, but the present invention can also be applied to a self-supporting bag-like container such as a standing pouch. In this case, the extraction portion may be provided in the middle of the side seal portion, or the extraction portion may be provided in the middle of the upper top seal.
In the above description, the folding portions 11a, 21a, 31a, and 41a are described as being formed substantially at the center of the body portions 11, 21, 31, and 41. A plurality of them may be formed.
Further, in the second reference embodiment , a part of the body portion 31 is cut out in an arc shape so that the pouring portion 34 is formed. However, not only the arc but also a linear shape may be cut out. Good.
In addition, the body parts 11, 21, 31 may be provided with two chambers (small rooms) for accommodating a plurality of types of contents with the folding parts 11 a, 21 a, 31 a as boundaries. And spout 24a, 34a common to each chamber is made to open at the end of folding part 11a, 21a, 31a. By doing in this way, it becomes possible to mix two types of contents simultaneously with the dispensing of the contents.
[0026]
【The invention's effect】
As described above in detail, according to the present invention, it is possible to obtain a pressure-poured pouch-shaped container suitable for increasing the amount of pour by grasping the trunk with one hand. In addition, it is possible to obtain a pressure-poured bag-like container that is suitable for refilling into a container having a small opening width at the mouth and that can be manufactured at low cost.
[Brief description of the drawings]
FIG. 1A is a perspective view of a pressure-poured bag-like container according to a first embodiment of the present invention, and FIG. 1B is an enlarged partial cross-sectional view in the II direction of FIG. is there.
FIG. 2 is a perspective view showing an example of a refilling operation using the bag-like container of FIG.
FIG. 3 is a perspective view of a pressure-poured bag-like container according to the first reference embodiment of the present invention.
FIG. 4 is a perspective view of a pressure-poured bag-like container according to a second embodiment of the present invention.
5 is a perspective view showing an example of a refilling operation using the bag-like container of FIG. 4. FIG.
FIG. 6 is a diagram illustrating an example of a manufacturing process of a bag-like container.
FIG. 7 is a perspective view showing an example of a planar pouch (bag-like container) according to a conventional example of the present invention.
8 is a diagram for explaining a refilling operation of contents using the bag-like container of FIG. 7 according to a conventional example of the present invention.
[Explanation of symbols]
1-3 Bag-shaped container 11, 21, 31, 41 Body 11a, 21a, 31a, 41a Folding part 13a-13d Sealing part 23a-23d Sealing part 23a-33d Sealing part 14 Nozzle 24, 34 Extraction part 24a, 34a Outlet B Container H Finger

Claims (3)

A body part formed from a soft wrapping material and formed with a spout for pouring out the contents, a seal part formed around the body part, and the body part formed in the middle part of the body part In a bag-like container having a fold portion that serves as a reference when folding
A nozzle that protrudes from the recessed portion inside the trunk portion to the seal portion is provided at one end of the folding portion,
Pressurizing the body part folded at the folding part and pouring the contents from the spout of the nozzle ;
A pressure-poured bag-like container characterized by A spout of the nozzle is formed in a part of the seal part, and due to the internal pressure of the contents when the body part is folded in two at the fold part, a part of the seal part peels off and the pouring is performed. 2. The pressure-poured bag-shaped container according to claim 1, wherein the outlet is opened . As a boundary the folded portion, different contents for accommodating the provided two chambers in the barrel Rutotomoni, from spout of the nozzle has to be dispense the contents in the two chambers The pressure-poured pouch-shaped container according to claim 1 or 2.

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