JP2001240076A - Liquid bag and holding tool for the liquid bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid bag or a holding tool for the liquid bag, which are excellent in usability. SOLUTION: When peripheral edges to be overlapped of films 11 of the liquid bag 10 are heat welded, respective ends of a suspending band 13 composed of a synthetic resin and provided between the films 11 to be welded on the peripheral edges corresponding to each other on both sides, and respective ends of the band 13 are so welded as to be integrated together on the side edges of the bag 14 with a spout 2 as its center.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid bag filled with a soft drink composed of, for example, juice, sports drink, and the like, and a holder for the liquid bag capable of storing and holding the bag.

[0002]

2. Description of the Related Art Recently, in soft drinks sold in convenience stores and supermarkets,
In place of conventional PET bottles, a bag-like container generally called a liquid bag to which a spout is attached is often used. For example, the container shown in FIG.
And formed by heat-welding the peripheral portions of two film bodies made of a polyethylene film or the like. That is, the liquid bag 1 is formed by welding the peripheral portions of the two film bodies to each other except for the portion where the spout 2 is attached, and the opening of the bag body 3 where the spout 2 is attached is formed. The base 4 having a flat rhombic shape of the spout 2 is inserted into the part. Subsequently, the inner peripheral portion of the bag 3 defining the opening and the outer peripheral portion of the base portion 4 of the spout 2 are heat-welded to close the opening and to remove the cap 5 from the mouth of the spout 2 ( A liquid such as a soft drink is filled in the bag body 3 (not shown), and a cap 5 is attached to the mouth of the spout 2 to produce a liquid bag containing the soft drink.

[0003] In addition, as shown in FIG. 12, there is a liquid bag commonly called a standing pouch, and this liquid bag 6 has a film constituting a bottom portion of the bag 6 in addition to the above two film bodies. The body is further welded to form a bag 7.

Further, in the liquid bag 8 shown in FIG. 13, in addition to the two film bodies shown in FIG. 2, film bodies constituting both sides of the bag 8 are welded to form a bag body 9.

[0005]

The liquid bags 1, 6 and 8 thus formed are thinner than conventional plastic bottles, so that the amount of synthetic resin used can be greatly reduced. In addition, since it does not become bulky after use, the cost required for disposal can be reduced.
Furthermore, since the soft drink is filled while being hermetically sealed by heat welding, the soft drink can be shipped at a low cost and sanitary.

[0006] The liquid bag 1, thus formed,
6 and 8, open the cap 5 of the spout 2 and set the spout 2
It is used by putting a mouth on the mouth to drink the beverage inside, but once the cap 5 is screwed into the mouth, the liquid bags 1, 6, and 8 are put in pockets and the like so that they can be drunk later. In some cases. In such a case, the drinks in the bags 1, 6, and 8 may be leaked from the cap 5, and it has been desired to provide a liquid bag that can solve such a problem.

[0007] It is an object of the present invention to provide a liquid bag or a holder for a liquid bag which is excellent in use performance.

[0008]

According to the present invention, a bag is formed by welding a plurality of synthetic resin film bodies to each other so as to leave an opening in a part thereof. A synthetic resin spout is inserted into the opening of the bag, and an inner peripheral portion of the bag defining the opening is welded to an outer peripheral portion of the inserted spout, and the opening is closed. In a liquid bag in which a liquid is filled in a bag body, a suspending band is provided at each of a pair of opposed spaced positions around a spout in a welded portion using the film body of the bag body. The liquid bag is formed by attaching the respective ends of the liquid bag.

The present invention also provides a bag made by welding a plurality of synthetic resin film bodies to each other so as to leave an opening in a part thereof, and forming a bag made of synthetic resin in the opening of the bag body. A liquid obtained by inserting the spout of the present invention, welding the inner periphery of the bag defining the opening to the outer periphery of the inserted spout, closing the opening, and filling the inside of the bag with the liquid. A liquid bag holder capable of suspending and holding a bag, comprising an opening at an upper portion for inserting the liquid bag with a spout portion upward, and accommodating the liquid bag inserted from the opening therein. A storage bag that can be held;
A liquid bag holder comprising a suspending band to which each end can be attached at each position facing the opening at the top of the storage bag.

[0010]

1 to 4 show a liquid bag according to an embodiment of the present invention, in which a soft drink is filled. The liquid bag 10 is a conventional liquid bag of the type shown in FIG. 12, and as shown in FIG. 2, a large-sized synthetic resin film body 11 composed of two front rectangular shapes, and a bag 10 as shown in FIG. And a small-sized film body 12 that is folded back so that the center part is directed upward, and is formed by welding the peripheral parts thereof. That is, the film bodies 11 are made to correspond to each other, and the corresponding peripheral portions P and R of the upper side, both sides, and the lower side are overlapped, and the peripheral edges are welded to each other. In the film body 12 sandwiched between the film bodies 11, the region Q is heat-welded so as to correspond to P and R below the lower side of each film body 11 on both sides.

When performing the heat welding, each end of the hanging band 13 made of synthetic resin is positioned between each side of the two film bodies 11 and the end of each band 13 It is sandwiched between P and R, and is thermally welded integrally to each of the film bodies 11 and 12. .

When the peripheral portions of the film body 11 are welded to each other, a substantially central portion of the upper side portion is not welded in a state where an opening is left, so that a bag body which can be filled with liquid is provided. 14 will be formed. The base 4 of the spout 2 having a flat diamond shape is inserted into the inner peripheral part of the bag body 14 defining the opening, and the outer peripheral part of the base 4 is thermally welded to the inner peripheral part of the opening. In this manner, the opening is closed, and the liquid bag 10 is formed, and the inside of the bag body 14 is filled with a liquid such as a soft drink from the mouth (not shown) of the spout 2 from which the cap 5 is removed. The cap 5 is attached to the mouth portion 2 to produce a liquid bag 10 containing, for example, a soft drink.

Here, the suspending band 13 integrally attached to the left and right spaced positions of the bag 14 of the liquid bag 10 with respect to the spout 2 (ie, the side portions of the film 11 constituting the bag 14) In the production process, a separate material is sequentially supplied to each side portion of the film body 11, and the other ends of the separate band bodies with respect to the attachment portions to the bag body 14 are connected to each other as shown in FIG. At 15, a series is determined. That is, the other ends of the band members are disposed between the bent joints 15 made of a synthetic resin film as shown in FIG. The liquid bag 10 which is heat-welded and has a series of hanging bands 13 can be obtained.

The liquid bag 10 thus formed can be carried around like a water bottle by hanging it on a shoulder or a neck, and is suspended so that the spout 2 is always positioned upward. In this way, there is no need to worry about leakage of the liquid from the cap portion, which has been seen when a liquid bag that has been almost swallowed is put in, for example, a pocket. Therefore, it is possible to provide a liquid bag that can be used for hiking and mountain climbing.

[0015]

FIG. 5 and FIG. 6 show a liquid bag 20 according to a first embodiment of the present invention. As in the liquid bag 10 according to the above-described embodiment, the bag 20 is also formed by welding two rectangular film bodies 11 and a film body 12 forming a bottom, with peripheral portions thereof being welded to each other as shown in FIG. However, the bag 21 is welded in such a manner that an insertion portion 22 penetrating vertically is formed on the side of each film body 11 to be welded.

Each of the insertion portions 22 has a hanging band 2
3 is inserted, and each end of the band 23 is formed as a hook-shaped portion 24 having shape retention. That is, the hook-shaped portion 24 is inserted through the insertion portion 22 as shown in FIG. 6, and is attached so as to suspend the lower end of the insertion portion 22. Other configurations and operations are the same as those of the above-described embodiment, and a description thereof will be omitted.

FIG. 7 shows a liquid bag 30 according to a second embodiment of the present invention. This example relates to a modification of the above-described embodiment, and heat-welds each end of the hanging band 13 integrally between the two film bodies 11. However, in the present embodiment, unlike the above embodiment, the end of the band 13 is welded to a position above the side without making the end of the band 13 correspond to the entire side of the film body 11. I have to.

FIGS. 8 and 9 show a liquid bag 40 according to a third embodiment of the present invention. This liquid bag 40
As shown in FIG. 2, in the bag body 41 formed by welding the peripheral edges of the film bodies 11 and 12, the film bodies at both ends (corners) with respect to the center of the upper side where the spout 2 is disposed A hole 42 is formed in the welded portion 11. Clips 44 provided at each end of the hanging band 43 can be attached to the hole 42.
That is, as shown in FIG.
Is formed, and a hole 42 is formed in the protrusion 45.
Through the fitting hole 46 of the clip 44, and
By fitting 5, the hanging band 43 is attached to the bag body 41 by the clip 44.

As described above, according to the liquid bags 10, 20, 30, and 40 according to the above-described embodiments and examples, various types of conventional liquid bags 1, 6, and 8 (see FIG. 11 to FIG. 13), it is inexpensive and requires only a small amount of processing, so that it is more productive and handy (liquid bag).
Can be provided.

FIG. 10 shows a holder 50 for a liquid bag according to an embodiment of the present invention. This holding device 50 relates to a conventional device that holds a liquid bag 6 shown in FIG. 12 in a suspended state, for example, and enables a user to carry the liquid bag 6 while keeping the spout 2 of the liquid bag 6 upward. It is.

As in the case of the liquid bag 10 according to the above-described embodiment, the holder 50 includes the film body 11 and the film body 12.
Are formed by heat-welding the peripheral portions of each other, but the portion corresponding to the upper side is not welded, whereby a storage bag body 52 having an opening 51 at the top is formed.
Further, at each side, similarly to the liquid bag 10, the end of the suspension band 13 made of synthetic resin is welded integrally so as to be superposed between the film bodies 11.

In this embodiment, the storage bag 52 is formed by adding a pattern to a film constituting the storage bag 52. However, a central portion of the front surface of the outer peripheral portion is formed of a transparent film material, and this portion is used as a window 53.

The holder 50 thus formed is
With the liquid bag 6 with the spout 2 up,
The bag 6 can be inserted into the storage bag body 52 through the opening 51 to store and hold the bag 6.
Is made visible from the outside at the window 53, so that the remaining amount of liquid in the bag 6, for example, can be confirmed.

Further, the hanging bag 13 can be hung on the shoulder or the neck and the liquid bag 6 held by the holder 50 can be carried around, which is extremely convenient. In addition,
The method of attaching the hanging band 13 to the storage bag 52 can be replaced with various attaching methods to the bag of the band according to each of the above embodiments. Further, in each embodiment, the entire band is made of synthetic resin and is welded to the film body. However, only the end portion where welding is performed may be made of synthetic resin.

[0025]

As described above, according to the present invention, there is an effect that it is possible to provide a liquid bag or a holder for a liquid bag which is excellent in use performance.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a liquid bag according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing each component of the liquid bag of FIG.

FIG. 3 is a front view showing the entire liquid bag.

FIG. 4 is a perspective view showing a process of forming an IV part in FIG. 3;

FIG. 5 is a perspective view showing a liquid bag according to the first embodiment of the present invention.

6 is a sectional view taken along the line VI-VI in FIG.

FIG. 7 is a front view similar to FIG. 3, showing a liquid bag according to a second embodiment of the present invention.

FIG. 8 is a front view similar to FIG. 3, showing a liquid bag according to a third embodiment of the present invention.

FIG. 9 is an enlarged perspective view showing a portion IX of FIG. 8;

FIG. 10 is a perspective view showing an example of a liquid bag according to one embodiment of the present invention.

FIG. 11 is a perspective view showing an example of a conventionally used liquid bag.

FIG. 12 is a perspective view showing another example of the liquid bag.

FIG. 13 is a perspective view showing another example of the liquid bag.

[Explanation of symbols]

 1, 6, 8, 10, 20, 30, 40 Liquid bag 2 Spout 3, 7, 9, 14, 21, 41 Bag body 4 Base part 5 Cap 11, 12 Film body 13, 23, 43 Hanging band DESCRIPTION OF SYMBOLS 15 Coupling body 22 Insertion part 24 Hook shape part 42 Hole part 44 Clip 45 Convex part 46 Fitting hole 50 Liquid bag holder 51 Opening 52 Storage bag body 53 Window part

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65D 77/24 B65D 77/24 F term (Reference) 3E062 AA20 AB02 AC07 BA20 BB06 GA02 GA06 GB01 GB04 GB08 GB09 GC02 GC09 HA06 HB04 HC04 HC07 HC14 HC17 HD02 KA01 KB03 KB17 3E064 AA01 AA11 BA21 BC18 EA10 FA01 FA04 GA10 HD06 HH02 HL06 HL07 HL09 HM01 HN65 HR01 HS07 3E067 AA03 AB26 BA12A BA31A BB14A CA11 CA24 EA06 EB20

Claims (9)

[Claims] A bag is formed by welding a plurality of synthetic resin film bodies together at their peripheral edges so as to leave an opening in a part thereof, and a synthetic resin spout is formed in the opening of the bag body. Is inserted into the outer periphery of the inserted spout, the inner periphery of the bag defining the opening is welded, the opening is closed, and a liquid bag is filled with liquid inside the bag. A liquid bag comprising a pair of opposed suspending bands, each of which is located at a center of a spout, of a welded portion of the bag body using a film body, and an end of a hanging band attached thereto. 2. A hanging band according to claim 1, wherein at least each end of the hanging band is made of synthetic resin, and each end is disposed between the film bodies to be welded, and is integrated with each film body. A liquid bag that is welded and attached to a bag. 3. A state in which the plurality of film bodies to be welded are formed in at least two square shapes, the sides of each film body are made to correspond to each other, and an opening is formed substantially at the center of the upper side. The peripheral edges of each film body corresponding to each side edge and the upper and lower sides are welded to each other, while the suspending band is made of synthetic resin at least at each end, and the peripheral edge of each welded film body is welded. 2. The liquid bag according to claim 1, wherein the ends of the bands corresponding to the respective side edge positions are welded. 4. A state in which a plurality of film bodies to be welded are formed in at least two square shapes, sides of each of the film bodies are made to correspond to each other, and an opening is formed at a substantially central portion of an upper side. The peripheral portions of each film body corresponding to each side portion and the upper and lower side portions are welded to each other, and among these, each side portion is welded in a state of forming an insertion portion of a hanging band, The end corresponding to each of the hanging bands is inserted into the insertion portion, and the end of the band through which the insertion portion is inserted at the lower end of each insertion portion is attached to the bag. A liquid bag as described. 5. A hole for attaching each end of a hanging band to each of a pair of opposed spaced positions centered on a spout in a welded portion of the bag using a film body. The liquid bag according to claim 1, wherein the liquid bag is provided with a part. 6. A bag body is formed by welding a plurality of synthetic resin film bodies to each other at their peripheral edges so as to leave an opening in a part thereof, and a synthetic resin spout is provided in the opening of the bag body. A liquid bag formed by welding an inner peripheral portion of a bag defining an opening to an outer peripheral portion of the inserted spout, closing the opening, and filling the inside of the bag with a liquid. A holding device for a liquid bag that can be suspended and held, wherein an opening for inserting the liquid bag with a spout portion upward is provided at an upper portion, and the liquid bag inserted from the opening is accommodated and held therein. A holding device for a liquid bag, comprising: a storage bag that can be used; and a suspending band that can be attached to each end at each position facing the opening at the top of the storage bag. 7. The storage bag body according to claim 6, wherein at least two synthetic resin film bodies are provided with an opening for inserting a liquid bag in a central part of an upper side part with each side corresponding to each other. A liquid bag holder which is formed by welding peripheral portions of a film body corresponding to each side portion and lower side portion so as to remain. 8. The storage bag body according to claim 6, wherein at least two synthetic resin film bodies are provided with an opening for inserting a liquid bag in a central part of an upper side part, with each side part corresponding to each other. The peripheral portions of the film body corresponding to each side portion and the lower side portion are welded to each other so as to be left, and at least one end of the hanging band is made of synthetic resin, and at each position facing the opening. Holding a liquid bag in which the corresponding ends of the suspending bands are arranged between the corresponding side portions of the corresponding film body and the ends of the bands arranged between the film bodies are welded together. Utensils. 9. The liquid bag according to claim 7, wherein at least a part of a film body constituting the bag body is a transparent body, and a liquid bag housed and held in the housing bag body is provided. A holder for the liquid bag, which is a window portion that can be visually recognized from the outside in the transparent body.