JPH0698991B2 - Liquid storage bag - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid containing bag for containing a liquid substance such as soy sauce.

[0002]

2. Description of the Related Art As a liquid containing bag of this type, as shown in FIGS. 6 and 7, a bag body 50 made of a synthetic resin sheet is provided with an outlet 71 for contents and a hose from the inside. A synthetic resin plate 70 having a connecting short pipe 72 of 60 is welded so that the connecting short pipe 72 protrudes to the outside, and a hose 60 is inserted into the connecting short pipe 72 to be welded and the connecting short pipe 72 The reinforcing sheet 80 passed through the synthetic resin plate 70
There is something welded on the plate surface.

However, in such a liquid containing bag, since the synthetic resin plate 70 extends over the periphery of the connecting short pipe 72, the content outlet 71 is provided at the lowermost end of the side surface of the bag body 50. It cannot be provided, and the content remains by the height of the outlet 71. In particular, when the bottom area of the bag body 50 is large, the amount of remaining contents is large and the usability is very poor. The peripheral edge of the synthetic resin plate 70 is the bag body 5
Leakage may occur due to damage of the bag main body 50 caused by contact and sliding with 0.

SUMMARY OF THE INVENTION An object of the present invention is to provide a liquid containing bag which allows all the contents to flow out by connecting a hose to the bag body without using the above synthetic resin plate.

[0005]

In order to solve the above problems, a liquid containing bag according to the present invention has a bag body having an outflow hole, and a hose having a diameter larger than that of the outflow hole and having a bifurcated end. And a liquid containing bag made of a synthetic resin sheet consisting of a reinforcing sheet having a hole through which the hose is inserted, the bag body being folded in two around the outflow hole, and sandwiched in the forked portion of the hose, This bifurcated part is sealed to the bag body along the entire circumference of the outflow hole, the reinforcing sheet passed through the hose is folded in two at the outflow hole part to cover the sealed part, and the reinforcing part is reinforced so as to surround the sealed part. The sheet is welded.

[0006]

In the liquid storage bag having the above-mentioned structure, the connecting portion of the hose is entirely made of the synthetic resin sheet.
It can be freely transformed and its connection position is unlimited. Further, the seal portion between the hose and the bag body is surrounded by the seal portion of the reinforcing sheet, so that the contents do not leak from the connection portion of the hose.

[0007]

EXAMPLES Examples will be described below with reference to the drawings. The liquid containing bag 1 shown in FIGS. 1 to 4 is a bag body 10 formed to have a fixed shape such as a rectangular parallelepiped when a liquid substance such as soy sauce is put therein, and a hose for transferring the liquid substance therein. 20 and a reinforcing sheet 30, and each member is formed of a synthetic resin sheet.

The bag body 10 is provided with an oval outflow hole 12 at the lowermost end of the side surface 11, and the outflow hole 12 is provided.
The hose 20 having a larger diameter is formed into a bifurcated shape by cutting the tip end thereof into a semi-elliptical shape in a folded state. In addition, the reinforcing sheet 30 has an elliptical shape that is slightly larger than the tip of the hose 20, and the hose 20 is folded in half at the center.
A slit 31 is formed to pass through.

When connecting the hose 20 to the bag body 10, first, as shown in FIG. 1, the outflow hole 12 portion of the bag body 10 is folded in two around the outflow hole 12, and as shown in FIG. , Insert it in the forked part of the folded hose 20. Then, after sealing the bifurcated portion of the bag body 10 along the entire circumference of the outflow hole 12, the reinforcing sheet 30 is passed through the hose 20, and is folded in half on the bag body 10 side in front of the bag body 10 to form a hose. Cover the sealing portion 21 of 20. Finally, when the reinforcing sheet 30 is sealed so as to surround the sealing portion 21, the connection of the hose 20 is completed.

The liquid containing bag 1 formed in this way
Since the connecting portion of the hose 10 is formed only by the synthetic resin sheet, it can be freely deformed and can be attached to the lowermost end of the side surface 11 of the bag body 10 as shown in FIG. Further, since the inner seal portion 21 is surrounded by the outer seal portion 32, it can be said that the structure is extremely leak-proof.

FIG. 5 shows a connecting portion of a hose of another embodiment. The liquid containing bag 2 has substantially the same structure as that of the above embodiment, but is different in that a reinforcing sheet 40 having an outflow hole 41 is welded to the inner surface side of the bag body 10.
By doing so, the strength of the connection portion of the hose 20 is increased and the sealing property of the liquid containing bag is improved.

In each of the above two embodiments, the connection portion of the hose 20 is folded in two, but when the liquid substance is contained, it is spread by the pressure of the liquid substance.
There is no particular problem. However, if it is desired to improve the outflow performance, it is advisable to insert a short pipe into the connecting portion of the hose 20 to secure the flow path.

In the above embodiment, the tip of the hose 20 is formed into an elliptical shape, but the shape is not particularly limited as long as it is a bifurcated shape. Further, the outflow hole 1 of the bag body 10
2 and the slit 31 of the reinforcing sheet 30 are not limited to the illustrated ones, and the shape thereof may be appropriately determined. Further, the seal may be heat-welded, welded, or may use an adhesive as long as the sealing performance can be secured.

[0014]

As described above, in the liquid containing bag of the present invention, since the connecting portion between the bag body and the hose is formed of only the synthetic resin sheet, the hose can be connected to any position of the bag body. For this reason, if a hose is connected to the lowermost end of the side surface of the bag body, it can flow out without leaving the contents, and as in the conventional case, the bag body generated by contact with the peripheral edge of the synthetic resin plate There is no leakage due to damage.

[Brief description of drawings]

FIG. 1 is a perspective view showing a process of connecting a bag body and a hose according to an embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view showing the connection completion state of the above.

FIG. 3 is a cross-sectional view showing the connecting portion of the above.

FIG. 4 is a perspective view showing the same as above.

FIG. 5 is a cross-sectional view showing a connecting portion between a bag body and a hose in another embodiment.

FIG. 6 is a perspective view showing a conventional example.

FIG. 7 is a cross-sectional view showing a connecting portion between the bag body and the hose of the above.

[Explanation of symbols]

 1, 2 Liquid storage bag 10 Bag body 11 Side surface 12 Outflow hole 20 Hose 21, 32 Seal part 30, 40 Reinforcing sheet 31 Slit 41 Outflow hole

Claims (1)

[Claims] 1. A liquid made of a synthetic resin sheet comprising a bag main body having an outflow hole, a hose having a diameter larger than that of the outflow hole and having a bifurcated end, and a reinforcing sheet having a hole for passing the hose. A storage bag, wherein the bag body is folded in two around the outflow hole and sandwiched between the forked portions of the hose, and the forked portion is sealed to the bag body along the entire circumference of the outflow hole. A liquid containing bag in which a reinforcing sheet passed through a hose is folded in two at the outflow hole portion to cover a sealing portion, and the reinforcing sheet is welded to surround the sealing portion.