JPH1086994A - Flexible container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flexible container which is light-weight and self-supported and which can be easily handled and easily collapsed and contained, by inserting U-shaped support rods through springs or the like into cylindrical parts of hanging belts attached to the side wall faces of a bag body and fixing a part of the U-shaped support rods to the bag body. SOLUTION: After a pipe 7 for retaining a cylindrical part has been inserted in the cylindrical part 6 formed at the lower end 3a of hanging belts 3 attached to the side wall faces 2c of a bag body 2 forming a container 1, the end of a U-shaped support rod 10 is inserted through an elastic material 8 like a spring. And the U-shaped intermediate part of the U-shaped support rod 10 is fixed to the bag body 2 by a retaining member 9 provided in the bag body. In this way, the self-supported state of the container 1 can be kept. When a powdery and granular material like unhulled rice is charged in the container 1, the structure prevents swelling, laterally falling, etc., of the container. After the contents have been discharged from a cylindrical discharge opening 5 formed at the lower part of the container 1, the container can be easily collapsed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible container, and more particularly, to a flexible container which is used for transporting and storing, for example, paddy and other powders and granules, and is lightweight, easy to handle, and capable of being folded independently. Related to flexible containers.

[0002]

2. Description of the Related Art A flexible container has a cylindrical opening for filling (injecting) an object to be filled, such as a powder, into an upper wall surface of a cylindrical bag body, and a discharge tube at a lower wall surface. A body opening is provided, and a plurality of hanging belts are attached along the vertical direction of the side wall surface of the bag body. And
These flexible containers are filled with an object to be filled such as a granular material from a filling cylinder opening, and after closing the filling cylinder opening, lifted up through the suspension belt and placed on a carrier such as a truck. In order to transport, store in a warehouse or the like, and take out the material to be filled, the material is lifted up through the hanging belt, and the discharge opening is opened to discharge.

[0003] By the way, this flexible container is
Since the bag body is formed of a cloth flexible member such as polypropylene (PP) and polyethylene (PE),
It is difficult to keep it on its own. Therefore, for example, when filling an object to be filled such as a granular material from the filling cylinder opening, the filling cylinder opening is fitted to a hopper, and the filling is performed while being suspended and held via the suspension belt. After that, or after attaching a container holding frame around the bag body, the filling operation is performed. This container holding frame generally connects two metal rings for holding the upper and lower sides of the side wall surface of the bag body, connects the metal rings, and forms the bag body by the load of the material to be filled. It consists of a connecting frame made of a plurality of glass fibers or wires for preventing bulging.

[0004]

However, in the case of a flexible container that is held using a container holding frame, there are the following problems. In other words, the weight of the container itself becomes heavy, and it becomes difficult to suspend the container. It takes time and effort to mount the container holding frame. Since the connecting frame is held by the metal ring, it cannot be folded as it is when storing the container. Therefore, a lot of trouble is required for the storing operation. And other issues.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a self-supporting foldable flexible container which is lightweight and easy to handle.

[0006]

According to a first aspect of the present invention, there is provided a flexible container according to the present invention, which is provided on the upper or lower wall of a cylindrical bag body for filling or discharging. In a flexible container provided with a cylindrical mouth and provided with a plurality of suspension belts along a vertical direction of a side wall surface of the bag body, a tubular portion is formed at a lower end or a part of the suspension belt, and the adjacent suspension is formed. The end of the U-shaped support rod is inserted into the tubular portion of the belt via an elastic material such as a spring, and the intermediate portion of the U-shaped support rod is fixed to a part of the bag body. It is characterized by.

According to a second aspect of the present invention, there is provided the flexible container according to the first aspect, wherein the suspension belt is an inverted U.
It comprises a U-shaped suspension belt, and the U-shaped support bar connects adjacent inverted U-shaped suspension belts. The flexible container according to claim 3 is the flexible container according to claim 1.
Alternatively, in the container of No. 2, the tubular portion is formed between the hanging belt and the side wall surface of the bag body. The flexible container according to claim 4 is the flexible container according to claim 1.
In the containers of (1) to (3), the tubular portion of the suspension belt is
It is characterized in that it is located above the side wall surface of the bag body. Further, the flexible container according to the fifth aspect is the flexible container according to the first to fourth aspects.
In the above container, a pipe for holding a tubular portion is inserted into the tubular portion.

Here, the bag body is a bag made of a cylindrical body such as a cylinder or a square tube, and is usually made of a cloth made of polypropylene (PP) or polyethylene (PE) having strength. It is formed of a member. As the hanging belt, a belt having a thickness of PP or PE having strength is used similarly to the bag body. For the U-shaped support rod, a rod material or a pipe material made of vinyl chloride or another material having strength is used. In addition, the U-shaped support rod includes a form in which a U-shaped support rod is detoured in the middle and a V-shaped form. The point is that the bag body may be inserted into the tubular portion formed on the adjacent suspension belt, hold the bag body from the side wall surface, and do not interfere with bending.

In the flexible container of the present invention, a U-shaped support rod is inserted into a cylindrical portion of a suspension belt attached to a side wall surface of a bag body forming the container, and the U-shaped support rod is The self-standing state can be maintained by fixing a part to the bag body. Then, when powder or other material such as paddy is filled from the filling cylinder opening provided in the upper part of the container, the bag body is expanded by the U-shaped support rod to prevent the side wall surface from expanding. Can be prevented and its self-sustaining stability can be obtained even during transportation and storage. Further, after discharging the filler from the discharge cylinder opening formed at the lower part of the container, the container can be folded as it is.

[0010]

As is apparent from the above description, according to the flexible container of the first aspect of the present invention, the U-shaped support rod is attached to the cylindrical portion of the suspension belt attached to the side wall surface of the bag body. Since the insertion and the configuration of fixing a part of the U-shaped support rod to the bag body, the weight of the container is light,
In addition, there is an effect that the handling is simple and the folding storage can be easily performed. In addition, since the U-shaped support rod is inserted into the cylindrical portion of the suspension belt via an elastic material such as a spring, there is an effect that slack due to extension of the bag body can be prevented.

According to the flexible container of the second aspect, the suspension belt is an inverted U-shaped suspension belt,
Since the adjacent inverted U-shaped suspension belts are connected by the U-shaped support bar, in addition to the above-described effects, the bag body has an effect that the side wall surface of the bag main body can stand alone in a stable state. Claim 3
According to the flexible container of the present invention, since the tubular portion is formed between the hanging belt and the side wall surface of the bag body, it is not necessary to form a separate tubular portion, and the effect of simplifying the configuration is eliminated. Have. According to the flexible container of the fourth aspect, since the tubular portion of the suspension belt is located at the upper part of the side wall surface of the bag body, the contact portion between the U-shaped support bar and the side wall surface of the bag body increases, This has the effect that the independence can be further improved. According to the flexible container of the fifth aspect, since the pipe for holding the tubular portion is inserted into the tubular portion, there is an effect that the U-shaped support rod can be easily inserted into the tubular portion. .

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show one embodiment of the flexible container of the present invention, FIG. 1 is a perspective view, and FIG. 2 is an enlarged view of a main part.

The flexible container 1 of the present embodiment is
It is a cylindrical container formed of a flexible member used for filling and storing or transporting paddy, other granular materials, and the like, and which can be lifted by a forklift or the like via a hanging belt. It has a main body 2, a hanging belt 3 attached to the bag main body 2, and a U-shaped support bar (rod body) 10 for imparting self-support to the container 1.

The bag body 2 is a flexible bag formed of a cylinder or a square tube (shown as a square tube in the drawing).
And a discharge port 5 at the center of the lower wall surface 2b of the bag body 2. The filling cylinder opening 4 is formed by extending a cylinder portion forming the bag main body 2 upward, and is configured to be openable and closable with a string or a rope (not shown). An opening / closing cloth made of a cylindrical body having a diameter smaller than the outer diameter of the main body 2, which can be opened and closed by a string or a rope and wraps the discharging cylindrical body 5 in a folded state as in the case of the filling cylindrical body 4 (FIG. (Not shown). Here, the bag main body 2, the filling tube opening 4, and the discharging tube opening 5 are formed of a strong and water-resistant cloth of polypropylene or polyethylene.

The suspension belt 3 is attached to the side wall surface 2c of the bag body 2 at a position near each corner 2d, 2d,. The suspension belt 3 is formed of an inverted U-shaped belt, and is fixed to the side wall surface 2c of the bag body 2 at its lower ends 3a, 3a, respectively, between the lower end 3a and the side wall surface 2c of the bag body 2. Is formed with a tubular portion 6. Here, the suspension belt 3 has the same strength as the bag body 2 described above, and is formed of a water-resistant polypropylene or polyethylene cloth body. As shown in FIG. 2, a pipe 7 for holding a tubular portion is inserted into the tubular portion 6, and a spring or the like is provided on the inner side (upper side in the drawing) of the pipe 7 for holding a tubular portion. Of elastic members 8 are arranged. Here, as the pipe 7 for holding the tubular portion, a pipe made of vinyl chloride or other synthetic resin is used. The lower end 3a of the suspension belt 3 is connected to the side wall surface 2c of the bag body 2.
Is located on the upper side of the. This allows
The length of the tubular portion 6 can be adjusted. Then, the end portion 10a of the U-shaped rod 10 is inserted into the cylindrical portion 6, and the U-shaped rod 10 is brought into contact with the side wall surface 2c of the bag body 2, and the container 1
Independence can be given to itself.

The U-shaped support rod 10 is inserted into a cylindrical portion 6 formed at the lower end 3a of the adjacent suspension belt 3, and is a rod (pipe may be used) for imparting autonomy to the container 1 itself. ). As shown in FIG. 1, the U-shaped support bar 10 has a form arranged on each of four wall surfaces of the bag body 2. That is, since the lower end portions 3a of the suspension belt 3 are attached with the corner 2d between the adjacent side wall surfaces 2c, 2c, the lower end portion of one suspension belt 3 is attached to one side wall surface 2c. 3a and the lower end 3a 'of the other suspension belt 3' are attached, and the lower end 3a of the adjacent suspension belt 3 attached to this one side wall surface 2c and the lower end of the suspension belt 3 'are attached. It becomes a form inserted in the cylindrical parts 6 and 6 formed in 3a '. The U-shaped support rod 10 is inserted into the cylindrical portions 6 and 6 and the
The U-shaped intermediate portion is held by a holding member (for example, a clip-shaped holding member) 9 of the same material as that of the bag body 2 provided at the lower portion of the bag body. Here, the U-shaped support bar 10 is preferably made of a material having strength and light weight, for example, a rod or pipe made of vinyl chloride. It is important that the U-shaped support rod 10 be in a form that can be arranged at a position where the bag body 2 can be folded.

Next, a method of using the flexible container 1 according to the present embodiment will be described. A cylinder formed at the lower end 3a of the suspension belt 3 attached to the side wall 2c of the bag body 2 forming the container 1 will be described. After inserting the pipe 7 for holding the tubular portion and the elastic material 8 such as a spring into the tubular portion 6,
Insert the end of the U-shaped support rod 10 and insert the U-shaped support rod 1
The U-shaped intermediate portion of 0 is fixed to the bag body 2 by a holding member 9 provided on the bag body 2. As a result, the container 1 can be maintained in an independent state. Then, when a powder or granular material such as paddy or the like is filled from the filling cylinder opening 4 of the container 1,
Since the side wall surface 2c of the bag body 2 is pressed by the U-shaped support rod 10, the side wall surface 2c can maintain the tension, so that the occurrence of expansion, lateral collapse, etc. can be prevented. In this case, the self-sustaining stability can be obtained. Further, after the filling material is discharged from the discharge tube opening 5 formed at the lower part of the container 1, the container 1 can be folded as it is. Therefore, the flexible container according to the present embodiment does not require disassembly or the like unlike the conventional container holding frame each time, and the workability is greatly improved.

Further, via an elastic material 8 such as a spring,
Since the end of the U-shaped support bar 10 is inserted,
It can absorb the stretch (depending on the cloth) of the bag body of the container itself,
The slack of the bag body 2 due to the extension can be prevented, and the danger of the tubular part holding pipe 7 and the U-shaped support bar 10 being detached and falling can be avoided.

It should be noted that the present invention is not limited to the above-described embodiment, and includes a configuration that can be modified and implemented without departing from the gist of the present invention. In the above-described embodiment, the bag body has been described as being formed of a square cylinder, but the same applies to a cylindrical body. Further, although the lower end of the suspension belt has been described as being located at the top of the bag body, it may be located below. in this case,
The length of the cylindrical portion is set to be long. Alternatively, the tubular portion is formed on the suspension belt itself.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a flexible container of the present invention.

FIG. 2 is an enlarged view of a main part of FIG.

[Explanation of symbols]

1 ... flexible container, 2 ... bag body, 2a
... upper wall surface of the bag body, 2b ... lower wall surface, 2c
..Side walls, 2d ... corners, 3,3 '... hanging belts, 3a, 3a' ... lower ends, 10 ... U-shaped rods, 4 ... filling cylinders Mouth, 5 ... discharge cylinder mouth, 6
... tubular part, 7 ... pipe for holding tubular part, 8 ...
Spring or other elastic material, 9 ... holding member

Claims (5)

[Claims] 1. A flexible container having a cylindrical opening for filling or discharging provided on an upper or lower wall surface of a cylindrical bag main body, and a plurality of suspension belts provided along a vertical direction of a side wall surface of the bag main body. , A tubular portion is formed at the lower end or a part of the suspension belt, and the ends of the U-shaped support rods are inserted into the tubular portion of the adjacent suspension belt via an elastic material such as a spring. A flexible container, wherein an intermediate portion of the U-shaped support bar is fixed to a part of the bag body. 2. The flexible container according to claim 1, wherein the suspension belt is an inverted U-shaped suspension belt, and the U-shaped support bar connects adjacent inverted U-shaped suspension belts. 3. The flexible container according to claim 1, wherein a tubular portion is formed between the hanging belt and a side wall surface of the bag body. 4. The flexible container according to claim 1, wherein the tubular portion of the hanging belt is located at an upper portion of a side wall surface of the bag body. 5. The flexible container according to claim 1, wherein a pipe for holding a tubular portion is inserted into the tubular portion.