JP2000043902A - Liquid storage pouch - Google Patents

Abstract

(57) [Problem] To provide a liquid containing pouch capable of reliably refilling a container without spilling liquid contained in the pouch. SOLUTION: A liquid outlet port 12 is provided at or near the upper end corner of a liquid containing pouch 10 (10A), and
A concave portion 14 is formed in the lower edge 10a of the spout 12 so that the spout 12 protrudes relatively outward in a roughly spear-tip or triangular shape.
The sheet material is formed by embossing a portion 16 having a predetermined length in the shape of a dome so that the spout portion 12 has a substantially cylindrical shape when in use, and an inner end 16a of the dome-shaped portion 16 is formed. As a structure for guiding the liquid flow to the end 16a, the inner surfaces of the opposing sheet members are adhered to each other near the end 16a (seal portion 18).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag-like container in which the edges of a flexible sheet material are adhered and formed, for example, various detergents for clothes, kitchens, baths, etc., shampoos, rinses or softeners. The present invention relates to a pouch for containing a liquid, a soft drink, or a liquid seasoning, and mainly for refilling the contained liquid into a container such as a relatively hard bottle.

[0002]

2. Description of the Related Art Conventionally, a container for containing a liquid such as a detergent has
Depending on the type and use of the liquid to be stored, inner solutions such as liquid clothing detergents, kitchen detergents, bath detergents, and containers suitable for the intended use have been manufactured.

[0003] The above-mentioned various containers tend to be expensive to manufacture, and when disposable, the user tends to become garbage that takes up a bulky place. Therefore, liquid products for refilling which are used by putting a liquid in a liquid containing pouch and putting it in an original container are sold. In this case, the user purchases a liquid product in which the same liquid as the liquid originally contained in the container is contained in the pouch, and replenishes the original container with the liquid in the pouch for use.

Various flat bags and standing pouches have been conventionally proposed and implemented as the liquid containing pouch, and FIG. 8 shows a state in which the liquid in the liquid containing pouch is transferred to a bottle-shaped container. As shown in FIG. 8, the liquid containing pouch P is cut out from the cut portion along the cut line and opened, and the opening is used as a liquid outlet e for the container B.
The liquid L flows out from the outlet port e by, for example, tilting the storage pouch P and poured into the container B.

[0005] As described above, if the liquid L contained in the liquid containing pouch is refilled in a container such as a bottle and used, a container having a function and shape suitable for the liquid can be used repeatedly, which is economical. The liquid containing pouch is made of a flexible laminated sheet material containing resin as a main component, so it can be made inexpensive and lightweight, and after the liquid is transferred, the whole is made like a thin sheet. It can be disposed in a compact and folded state, and is extremely easy to handle. Further, the liquid containing pouch is preferable from the viewpoint of environmental protection because it is easy to recycle, and further spread in the future is expected.

[0006]

However, since the above-mentioned liquid containing pouch is formed of a flexible sheet material, it is easily deformed when gripped, and the outlet port e of the liquid containing pouch and the bottle container are not provided. It is extremely difficult to keep the relative position constant, and there is a high possibility that the containing pouch will be deformed at the time of injection and its outlet port e will come off the mouth Ba of the bottle container B, and the liquid will leak to the outside and the container B This refilling operation of the liquid has been troublesome and complicated, such as polluting the surroundings and wasting the liquid.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a liquid storage pouch which can reliably refill a container without spilling liquid in the liquid storage pouch. I do.

[0008]

The present invention has the following configuration to achieve the above object. The invention of claim 1 is
A liquid accommodating pouch formed in a bag shape by a flexible sheet material and for enclosing and accommodating a liquid therein, wherein a liquid spouting portion is provided at or near an upper end corner of the liquid accommodating pouch, and A recess is formed in the lower edge of the spout so that the spout protrudes relatively outward, and the sheet material of the spout is formed to have a predetermined length in a dome shape. So that the outlet part has a substantially cylindrical shape when used,
A liquid containing pouch having a structure for guiding a liquid flow to the end around the inner end of the dome-shaped portion. According to the first aspect of the present invention, a liquid spout is provided at or near the upper end corner of the liquid containing pouch, and a recess is formed at the lower edge of the spout to form the spout. It is made to protrude relatively outward, and the sheet material of the spout portion is formed in a dome shape with a predetermined length so that the spout portion has a substantially cylindrical shape at the time of use. When the spout is inserted, the recess at the edge is caught at the entrance, and the spout is stably locked at the entrance and is hard to be detached. Therefore, the liquid is stably poured, and no liquid spill occurs. In addition, since the liquid flow is directed toward the end of the dome-shaped portion, the liquid can flow to the spout without interruption.

According to a second aspect of the present invention, there is provided the liquid containing pouch according to the first aspect, wherein the structure for inducing the liquid flow is formed by bonding the inner surface portions of the sheet members facing each other. In this way, by adopting a structure in which the inner surfaces of the facing sheet members are bonded to each other to guide the liquid flow, the liquid does not needlessly flow around the tip of the spout, and the spout does not close. . Therefore, the liquid can be poured without interruption.

According to a third aspect of the present invention, there is provided the liquid containing pouch according to the first aspect, wherein the structure for guiding the liquid flow is formed by forming a concave portion facing inward in the facing sheet material. . In this way, by forming a concave portion facing inward in the opposing sheet material to guide the liquid flow, the liquid flow can be smoothly guided in the concave portion at the concave portion, near the distal end of the liquid outlet. No more sneaking around,
The outlet does not close. At the same time, the user can pinch and pour the recess with his fingertip, so that the spout can be stably supported at the time of pouring and the spout can be held at the mouth of the container to be refilled.

According to a fourth aspect of the present invention, the dome-shaped forming portion of the spout is formed such that the central axis of the forming portion has an angle of approximately 0 ° to 25 ° with respect to the bottom surface of the liquid containing pouch. The liquid containing pouch according to claim 1, wherein the pouch is formed. As described above, the central axis of the formed portion is approximately 0 ° to 25 ° with respect to the bottom surface of the liquid containing pouch.
When the pouch is poured almost horizontally and horizontally, the spout is almost vertically downward, so that a smooth liquid flow is guaranteed along the liquid flow direction and the extraction port is closed. There is no fear of doing it. At the same time, the direction of the spouting portion enters the mouth of the container to be refilled without being caught exactly. Also, at the end of the pouring, the bottom of the pouch is lifted and tried to flow out without any excess, but by raising the bottom to an angle of about 25 ° as described above, when this bottom is lifted Also, the outlet is vertically downward, so that the liquid easily flows, which is preferable.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows Embodiment 1 of the present invention.
FIG. 3 is an explanatory view of a liquid storage pouch according to the embodiment. As shown in FIG. 1, the liquid containing pouch 10 </ b> A is formed in a bag shape so as to have an internal space by laminating a pair of flexible sheet materials facing each other and bonding the edges 10 a of substantially the entire circumference to form a bag. This is for enclosing and storing the liquid.

In the liquid containing pouch 10A, a liquid spout 12 is provided at or near the upper end corner, and a lower edge 10a of the spout 12 is recessed to form a recess 14 so as to be poured. The outlet portion 12 is relatively outwardly projected in a roughly spear-tip shape or a triangular chevron shape. The edge 10a above the spout 12 is a pouch 10 in the first embodiment.
Although it is slightly lower than the edge 10a at the upper end of A, the height may be substantially the same. A cutout line 12a is formed at the tip of the spout 12 by printing or embossing, and the spout can be cut open at the tip of the spout to open the spout.

A dome-shaped portion 16 having a predetermined length is formed on the sheet material of the spout portion 12 by stamping or the like so that the spout portion 12 has a substantially cylindrical shape when used. Also, the inner end 16a of the dome-shaped forming portion 16
As a structure for guiding the liquid flow to the end 16 around
The opposing inner surfaces of the sheet members are bonded (sealed portion 18) near the end 16a. In the embodiment, the seal portion 18 is formed to extend linearly from near the lower edge of the recess 14 to near the end 16a. And the rib-shaped part 19 along the funnel shape which made the opening angle small toward the dome-shaped formation part 16 is formed,
The rib portion 19 cooperates with the seal portion to make the liquid flow smooth.

The sheet material constituting the liquid containing pouch 10A is basically formed by bending and bonding the edge 10a of a single or a plurality of sheet materials. Is a sheet material having flexibility and impermeability to liquids, for example, a laminate of a plastic film such as polyethylene, polypropylene, nylon, or polyethylene terephthalate and a metal film such as aluminum. All of them are inexpensive and easy to manufacture.

As shown in FIG. 1, the liquid containing pouch 10A is composed of two symmetrical sheet members (hereinafter referred to as side sheet members) 21 and 22 forming side surfaces and one sheet forming a bottom surface. Sheet material (hereinafter referred to as bottom sheet material) 2
3 is bonded.

That is, the two side sheet members 21,
Reference numeral 22 denotes a protruding spout 12 which is formed by bending an acute angle at one corner of a rectangular sheet material. The edge seal portion 1 has a predetermined width at the side and upper sides of the edge seal portion 1.
0a1 and 10a1 adhere to each other. Further, a peripheral portion of the bottom sheet material 23 having an elliptical shape is adhered to a lower side portion of the both side sheet materials 21 and 22 by a seal portion 10a2. For this reason, the liquid containing pouch 10 is a so-called standing pouch that can be erected on a plane by expanding the bottom sheet material 23, and stores a liquid such as a detergent inside.

The width of the dome of the dome-shaped portion 16 can be about 8.0 mm and the length can be about 30.0 mm.

A liquid outlet 12 is provided at or near the upper end corner of the liquid containing pouch 10A of the first embodiment, and a recess 14 is formed at the lower edge of the liquid outlet pouch 10 to form a liquid outlet. The part 12 is made to protrude relatively outward, and the sheet material of the spout part 12 is formed in a dome shape with a predetermined length so that the spout part 12 has a substantially cylindrical shape when used. When the spout 12 is inserted into the entrance of the target container, the concave portion 14 at the edge is caught by the entrance, and the spout is stably locked at the entrance so that it is difficult to be detached. Therefore, the liquid is stably poured, and no liquid spill occurs. In addition, since the structure has a structure for guiding the liquid flow toward the end of the dome-shaped forming portion 16, the liquid can be flowed to the spout without interruption.

Further, by employing a structure in which the flow of liquid is guided by the seal portion 18 in which the inner surface portions of the sheet members facing each other are adhered, the liquid does not unnecessarily flow around the tip of the spout portion 12, so that the spout portion can be prevented. Twelve closures do not occur. Therefore, the liquid can be poured without interruption.

The central axis of the dome forming portion 16 is approximately 0 ° to 25 ° with respect to the bottom surface of the liquid containing pouch 10A.
If the pouch is tilted upward from horizontal to horizontal in the range, when the pouch is poured almost horizontally horizontally, the spout is almost vertically downward, so that a smooth liquid flow is guaranteed along the liquid flow direction, and The direction of the spout port is such that the spout port can enter the mouth of the container to be refilled without being caught. Also, at the end of the pouring, the bottom of the pouch is lifted to try to pour it out.
By making the angle upward in the range of about °, the spout is vertically downward even when the bottom is raised, which is preferable.

The present invention is not limited to the first embodiment, but can be variously modified as shown in FIGS. 2 to 8 and the following second to seventh embodiments. These Embodiments 2 to 7 have substantially the same configuration, operation, and effect as those of Embodiment 1 described above. The same parts are denoted by the same reference numerals, and the description thereof is omitted. Will be described.

The liquid storage pouch 10B of the second embodiment is different from the pouch 10A of the first embodiment in that
Is a point extending from the lower end of the concave portion 14 to the vicinity of the dome-shaped portion 16 so as to extend along the concave portion 14 and gradually spread and exhibit a substantially triangular shape, and the inner edge is inclined by β ° with respect to the vertical. Further, the spout 12 is inclined at an angle α with respect to the horizontal plane.

FIG. 3 shows a liquid accommodating pouch 10C according to the third embodiment, which is different from the second embodiment in that the spout 12 is substantially along the horizontal plane.

FIG. 4 shows that the liquid containing pouch 10D according to the fourth embodiment is not a seal as a structure for inducing a liquid flow, but a concave portion 26 facing inward in opposed sheet materials 21 and 22.
Is formed. As described above, by forming the recesses 26 facing inward in the sheet materials 21 and 22 facing each other, the user can pinch the recesses 26 to form the sheet materials 2.
1 and 22 adhere to each other to block the liquid flow and to guide the liquid flow to the spout 12. With this structure, the liquid flow can be smoothly guided toward the spout 12 by the recess 26, and does not needlessly flow around the tip of the spout 12, and the spout 12 is not closed. .
At the same time, the user can pinch and pour the recess 26 with a fingertip, so that the spout 12
And the outlet 12 can be held at the mouth of the container to be refilled. The recess 26 may be a seal.

In the liquid containing pouch 10D of the fourth embodiment, the spout 12 and the dome-shaped portion 16 formed thereon are
Although substantially parallel to the horizontal, as in the liquid storage pouch 10Ek of the fifth embodiment of FIG. 5, the outlet 12 may be inclined at an angle α with respect to the horizontal plane as in the second embodiment of FIG.

The liquid containing pouch 10E of the fifth embodiment
Is inclined at an angle, but its upper end is located lower than the upper end of the pouch. However, the spout is not limited to this, and the spout 12 extends to the same position as the top end position of the pouch and has a part 12F that bends laterally, like the liquid storage pouch 10F of the sixth embodiment in FIG. The formed structure can also be taken.

Further, as in the liquid containing pouch 10G of the seventh embodiment shown in FIG. 7, the spout 12 extends horizontally or at an angle in the same manner as in the fourth embodiment.
An uneven structure 10G may be provided on the surface to make the structure less slippery when the user holds it.

[0029]

As described above, according to the first aspect of the present invention, when the spout is inserted into the entrance of the container to be refilled, the recess at the edge is caught by the entrance, and the spout is stably engaged with the entrance. It is hard to stop and come off. Therefore, the liquid is stably poured, and no liquid spill occurs. In addition, since the liquid has a structure for guiding the liquid flow toward the end of the dome-shaped portion, the liquid can flow to the spout without interruption.

According to the second aspect of the present invention, the liquid is prevented from unnecessarily flowing around the tip of the spout by adopting a structure in which the inner surfaces of the opposing sheet members are bonded to each other to guide the liquid flow. The outlet does not close. Therefore, the liquid can be poured without interruption.

According to the third aspect of the present invention, by forming a concave portion facing inward in the opposed sheet material to guide the liquid flow, the liquid flow can be smoothly formed in the spout portion by the concave portion. It can be guided and does not unnecessarily wrap around the tip of the spout, so that the spout does not close. At the same time, the user can pinch and pour the recess with his fingertip, so that the spout can be stably supported at the time of pouring and the spout can be held at the mouth of the container to be refilled.

According to the fourth aspect of the present invention, the central axis of the formed portion is approximately 0 ° to 25 ° with respect to the bottom surface of the liquid containing pouch.
If the pouch is tilted upward in the range of °°, when the pouch is poured almost horizontally and horizontally, the spout will be almost vertically downward, so that a smooth liquid flow is guaranteed along the liquid flow direction and there is a risk of clogging. Not at all. At the same time, the direction of the spouting portion enters the mouth of the container to be refilled without being caught exactly. Also, at the end of pouring, the bottom of the pouch is lifted and tried to flow out without any excess, but by raising the bottom up to about 25 ° as described above, when this bottom is lifted Also, the outlet is vertically downward, so that the liquid easily flows, which is preferable.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a liquid storage pouch according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of a liquid containing pouch according to a second embodiment.

FIG. 3 is an explanatory diagram of a liquid storage pouch according to a third embodiment.

FIG. 4 is an explanatory diagram of a liquid containing pouch according to a fourth embodiment.

FIG. 5 is an explanatory diagram of a liquid containing pouch according to a fifth embodiment.

FIG. 6 is an explanatory diagram of a liquid containing pouch according to a sixth embodiment.

FIG. 7 is an explanatory diagram of a liquid containing pouch according to a seventh embodiment.

FIG. 8 is an explanatory view of a conventional liquid containing pouch.

[Explanation of symbols]

 10A to 10G Liquid storage pouch (Embodiments 1 to 7) 12 Injection part 14 Concave part 16 Dome-shaped part 16a End of dome-shaped part 18 Seal part

Claims (4)

[Claims] 1. A liquid storage pouch formed of a flexible sheet material in a bag shape and for enclosing and storing a liquid therein, wherein a liquid spouting port is provided at or near the upper end corner of the liquid storage pouch. And a recess is formed in the lower edge of the spout so that the spout relatively protrudes outward. The sheet material of the spout has a dome shape having a predetermined length. A liquid containing pouch characterized by having a structure in which a liquid flow is guided to the end around the inner end of the dome-shaped formed portion so that the spout portion has a substantially cylindrical shape when used. is there. 2. The liquid containing pouch according to claim 1, wherein the structure for guiding the liquid flow is formed by bonding the inner surfaces of the sheet members facing each other. 3. The liquid containing pouch according to claim 1, wherein the structure for guiding the liquid flow is formed by forming a concave portion facing inward in the opposing sheet material. 4. The dome-shaped forming portion of the spout is formed such that the forming portion is approximately 0 ° to 25 ° with respect to the bottom portion of the liquid containing pouch.
4. The liquid containing pouch according to claim 1, wherein the pouch is formed to have an angle in a range of degrees.