JP7142839B2 - flexible container bag - Google Patents

Description

TECHNICAL FIELD The present invention relates to a flexible container bag used for storing and transporting loads such as powders and wastes, and in particular to storing, transporting and curing hardening materials, and hardening the hardening materials to form blocks. It relates to a flexible container bag used for manufacturing.

Conventionally, for example, a cylindrical flexible container bag has been used for storing and transporting loads such as powders and wastes (see Patent Document 1).

JP 2014-159305 A

The conventional flexible container bag described in Patent Document 1 includes a cylindrical bag body and a cylindrical loading section sewn to the upper end of the bag body. It is configured to seal the bag body containing the cargo by tying and closing the upper part of the loading part like a drawstring bag after filling the cargo and completing the filling.

However, in the conventional flexible container bag described above, since the main body of the bag is cylindrical, the shape of the bag in which the cargo is accommodated is not constant, and there is a large amount of dead space when the bag is arranged side by side, resulting in poor accommodation efficiency. there were.
In addition, when the bag body is sealed, the upper part of the input part is tied up like a drawstring bag and closed, so the sealing performance is poor, and the top surface has a shape that protrudes locally, When the flexible container bags of No. 1 are placed on top of each other, the stacked flexible container bags tilt and become unstable, making it difficult to stack and store them.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of conventional flexible container bags, an object of the present invention is to provide a flexible container bag that can increase storage efficiency, has high airtightness, and can be easily stacked and stored. do.

In order to achieve the above object, the flexible container bag of the present invention comprises a storage container body having a bottomed rectangular shape with adjacent side surfaces forming a right angle, a storage container body having an open top, and a storage container body covering the storage container body to form an opening. It is characterized by comprising a covering-shaped lid body.

In this case, fixing means may be provided for fixing the lid to the container body.

Further, the storage container main body and the lid can be made of woven fabric, and an inner bag made of synthetic resin can be provided inside.

According to the flexible container bag of the present invention, since the main body of the storage container has a bottomed rectangular shape with no rounded corners, the shape of the storage container bag in the state in which cargo such as waste is stored is constant, and the dead space when installed side by side. Space is reduced and storage efficiency can be increased.
In addition, since a covering-shaped lid that closes the opening by covering the storage container body is provided, it is possible to improve airtightness, and even if another flexible container bag is placed on the upper surface of the lid, it is stable and can be stacked. Easy to store.

Further, by providing fixing means for fixing the lid body to the container main body, it is possible to further improve the airtightness.

In addition, the storage container main body and the lid are made of woven fabric, and by providing an inner bag made of synthetic resin inside, the storage container is lightweight and easy to fold, can easily secure the necessary strength, and has a waterproof function. can have.

1 is an exploded perspective view of a flexible container bag according to one embodiment of the present invention; FIG. The formwork in which the same flexible container bag is installed is shown, (a) is a top view, (b) is a front view. It is procedure explanatory drawing which installs the storage container main body of the same flexible container bag in a formwork. FIG. 4 is an explanatory diagram of the procedure for fixing the storage container body of the flexible container bag to the mold with container fixing tools and container fixing aids. It is procedure explanatory drawing which mount|wears a formwork with an inner lid. It is a state diagram in which the other two side walls are opened with respect to the two fixed side walls. It is a state figure which sealed and sealed the storage container main body of the same flexible container bag with the cover body.

Next, an embodiment of the flexible container bag of the present invention will be described based on the drawings.

FIG. 1 shows one embodiment of the flexible container bag of the present invention.

<Overview of Flexible Container Bag>
As shown in FIG. 1, the flexible container bag 1 of the present embodiment includes a storage container body 2 made of a flexible sheet material and formed into a bag-like shape with an open upper surface. and a sealing sheet material 4 disposed between the storage container body 2 and the lid 3 and functioning as an inner lid.

<Description of the storage container body>
The storage container main body 2 has a square (or rectangular) bottom portion 5 and four side portions 6 integrally connected to the four sides of the bottom portion 5. The side portions are adjacent to each other. 6 are integrally connected so as to form a right angle and are formed in a rectangular shape with a square cross section (or a rectangular cross section in some cases).
The storage container main body 2 has a double structure in which an outer bag 2a made of, for example, a chemical fiber woven fabric such as a polypropylene woven cloth and an inner bag 2b made of, for example, a resin sheet such as a polyethylene sheet are superimposed. It is lightweight and easy to fold, and can easily secure the necessary strength, and can be provided with a waterproof function.
The method of fixing the outer bag 2a and the inner bag 2b includes, for example, a method of fixing by adhesion using double-sided adhesive tape, a method of fixing in a detachable manner using a hook-and-loop fastener, and a method of fixing by sewing with thread (sewing). method of wearing).

As will be described later, the storage container main body 2 is installed inside the mold 20 by inserting it into the storage part 35 of the mold 20, which will be described later. The shape and dimensions of the bottom surface portion 5 and the four side surface portions 6 are set so that the bottom surface portion 5 and the four side surface portions 6 can be accommodated in the housing portion 35 in a state of being in close contact with the 31 to 34 .
In addition, the inner bag 2b is set to have a height dimension that protrudes above the outer bag 2a by a predetermined height so that the upper portion thereof can be folded back and superimposed on the outer side of the upper portion of the outer bag 2a. .

A required hoisting belt 7 on which a special hoisting tool (not shown) mounted on a cargo-handling machine such as a forklift or a crane is hung is sewn on the storage container body 2 from the bottom surface 5 to each side surface 6 . ing.
A body fixing belt 8 is sewn to each of the four corners of the storage container body 2 .
The body fixing belt 8 is for fixing the storage container body 2 to a mold frame 20 which will be described later, and is arranged at a vertically intermediate position of the storage container body 2 .

<Description of the lid>
The cover 3 is made of, for example, a chemical fiber woven fabric such as a polypropylene woven fabric, and is formed in a shape that completely covers the upper end portion of the storage container main body 2 .
That is, the lid 3 has a top plate portion 10 having a square shape in a plan view (or a rectangular shape in a plan view) of a size capable of closing the opening of the storage container body 2 and having a horizontal upper surface, It has four side portions 11 integrally connected to the four sides of the top plate portion 10 so as to be superimposed on the upper portions of the four side portions 6 of the storage container body 2 from the outside, and adjacent side portions. 11 are integrally connected so as to form a right angle and are formed in a rectangular shape with a square cross section (or a rectangular cross section in some cases).
When the lid 3 is placed over the opening of the storage container body 2 so as to cover the opening of the storage container body 2 , the opening of the storage container body 2 is covered with the top plate portion 10 of the lid 3 . Since the four side portions 11 of the lid body 3 are overlapped from the outside, the airtightness can be improved, and the infiltration of rain or the like can be reliably prevented.
Further, since the upper surface of the lid 3 is formed in a horizontal surface by adopting the top plate portion 10 having a horizontal upper surface, even if another flexible container bag 1 is placed on the upper surface of the lid 3, it will be stable. .

<Description of fixing means for lid>
Fixing means 15 for fixing the lid 3 to the container main body 2 consists of a lid fixing tape 16 sewn to each of the four corners of the lid 3 and four corners of the container main body 2 . , and a lid body fixing hook 17 which is sewn to each of them.
The lid fixing tape 16 is arranged at the lower portion of the lid 3, and the lid fixing hook 17 is arranged at a position closer to the lower part than the middle position in the vertical direction of the storage container body 2. As shown in FIG.
In this fixing means 15, in a state in which the lid 3 is put on the upper part of the storage container body 2, the lid fixing tape 16 is engaged with the lid fixing hook 17 so as to be hooked and tightly bound. The lid 3 can be fixed to the storage container main body 2, and the airtightness can be further improved.

The flexible container bag 1 of this embodiment is used for storing, transporting and curing a curable material, and for producing a hexahedral block by curing the curable material.
It should be noted that the flexible container bag 1 is not limited to the application example shown in the present embodiment, and the flexible container bag 1 can of course be applied to storage and transport of cargo such as powders and wastes. is.

When manufacturing a hexahedral block, a mold 20 prepared separately as shown in FIGS. 2(a) and 2(b) is used. A hexahedral block is manufactured by filling the inside of the installed storage container body 2 with a hardening material and hardening it.
Here, as the curable material, for example, a kneaded material obtained by kneading cement milk with incineration ash or the like containing a radioactive substance is used, but it is of course not limited to this. In some cases, ordinary concrete obtained by kneading an aggregate such as crushed stone in an appropriate ratio, or resin such as expanded polystyrene or plastic may be used.

Next, the structure of the mold 20 on which the storage container main body 2 is installed will be described with reference to FIGS. 2(a) and 2(b).

<Overview of formwork>
The formwork 20 shown in FIGS. 2(a) and 2(b) includes a bottom floor material 25 having insertion openings into which cargo handling claws (forks) are inserted so that it can be lifted and transported by a forklift (not shown); A first side wall 31, a second side wall 32, a third side wall 33 and a fourth side wall 34 are provided on the material 25, and the overall appearance is formed in a hexahedral shape with an open top.

The four side walls 31 to 34 are assembled in a square frame shape (or rectangular frame shape in some cases) in a plan view, and these four side walls 31 to 34 and the bottom floor material 25 define a storage section 35. .
Two adjacent first side walls 31 and second side walls 32 of the four side walls 31 to 34 are fixedly installed with respect to the bottom floor material 25, and the other two side walls 33, 34, namely the third side wall 33 And the fourth side wall 34 is movably installed with respect to the bottom floor member 25 .

Each of the side walls 31 to 34 is composed of a side wall member 40 forming a wall surface, and a horizontal thick member 41 attached horizontally to the outer surface of the side wall member 40 with necessary steps (in this example, two steps above and below). ing.
The side wall surface members 40 adjacent to each other are fastened and fixed by bolts and nuts (not shown) and appropriately used U-clips.

The horizontal end thick member 41 of the third side wall 33 is rotatable with respect to the horizontal end thick member 41 of the second side wall 32 with a pivot pin 45 as a fulcrum. A third side wall 33 is swingably attached to 32 .
In addition, the horizontal end thick member 41 of the fourth side wall 34 is rotatable with respect to the horizontal end thick member 41 of the first side wall 31 with a pivot pin 46 as a fulcrum. A fourth side wall 34 is swingably attached to the first side wall 31 .

The horizontal end thick member 41 of the third side wall 33 and the horizontal end thick member 41 of the fourth side wall 34 are fastened by a fastener 50 mainly composed of a swing bolt that is detachably bridged between the two. Separation and rejoining of the joining portion between the third side wall 33 and the fourth side wall 34 can be easily performed by manipulating the fastener 50 .

<Description of container fixture>
As shown in FIG. 2(a), in the vicinity of each side wall surface member 40 of the four side walls 31 to 34, a container fixture 51 connected by a chain, wire rope, or the like (not shown) is attached. .
The container fixture 51 is made of a channel steel material that can cover the side wall surface member 40 and the upper edge of the storage container body 2 so as to straddle both.
Here, in this embodiment, the container fixture 51 is installed at the central position of each side wall surface member 40 of the four side walls 31 to 34, but the container fixture 51 and the container body 2 are sewn together. For example, the container fixtures 51 may be installed at two locations on both sides of the side wall surface member 40 so as not to interfere with the lifting belts 7 attached thereto.

<Description of container fixing aid>
As shown in FIG. 2(a), container fixing aids 55 are attached to the upper surface side of the corners of the intersections of the side wall surface members 40 adjacent to each other.
The container fixing aid 55 is composed of a bulk plate 56 fixed to the upper surface of one side of the side wall surface member 40 adjacent to each other, and a hook rod 57 fixed onto the bulk plate 56 .
The hooking bar 57 is a rod-like member extending in a direction orthogonal to the tapered surface formed in the abutting portion in a plan view above the abutting portion of the side wall surface members 40 adjacent to each other.

<Description of block production procedure>
Next, a procedure for manufacturing a block using the flexible container bag 1 and the formwork 20 will be described below mainly using FIGS. 2 to 5. FIG.

First, when manufacturing a block, as shown in FIGS. to assemble the formwork 20 ready for use.
In addition, as shown in FIG. 3, a separately prepared steel inner lid 60 is attached to the mold 20 .

Next, the storage container main body 2 is inserted into the storage portion 35 of the formwork 20 assembled as described above.
At this time, the upper part of the inner bag 2b in the storage container body 2 is folded back to the outside of the outer bag 2a in advance, and the bottom surface of the storage container body 2 is folded against the bottom floor material 25 and the four side walls 31 to 34 of the mold 20. The storage container main body 2 is placed in the storage portion 35 of the mold 20 so that the portion 5 and the four side portions 6 are brought into close contact with each other.

Next, as shown in FIG. 4, each of the four body-fixing belts 8 provided at the four corners of the storage container body 2 is hooked to the hooking rod 57 of the corresponding container-fixing aid 55 to bind and fix. .
As a result, the corners of the storage container main body 2 are kept in a state in which they fit perfectly with the corners of the storage portion 35 .
Further, the container fixture 51 attached to each side wall surface member 40 is arranged so as to sandwich the corresponding side wall surface member 40 and the upper edge of the storage container main body 2 in a state in which the upper portion of the inner bag 2b is folded back. It is mounted so as to straddle the side wall surface member 40 and the upper edge of the storage container main body 2 .
As a result, each side surface portion 6 of the storage container body 2 is kept in a state of being in close contact with the side wall surface member 40 .

After the storage container main body 2 is installed inside the formwork 20 as described above, the inside of the installed storage container main body 2 is filled with a curable material.
After filling, as shown in FIG. 5, a steel inner lid 60 is attached to the mold 20 so as to close the opening of the container 35 . In this case, the steel inner lid 60 may be used as needed, and this step may be omitted.
Then, the mold 20 is transported to a curing yard using a forklift or the like, and hardened for a predetermined curing period to produce a hexahedral block. In this case, if necessary, a curing rack can be installed in the curing yard, and the formwork 20 can be stored in a predetermined position of the curing rack for curing.

<Description of block removal work procedure>
The procedure for removing the block manufactured as described above from the formwork 20 is as follows.
This work is performed after removing the steel inner lid 60 and the container fixture 51 attached to the formwork 20 .

First, the fastener 50 is operated to release the fastened state between the lateral thick member 41 of the third side wall 33 and the lateral thick member 41 of the fourth side wall 34, and the two lateral thick members 41 can be separated. and
Also, the bolts and nuts and the U-clip fastening the side wall surface member 40 of the third side wall 33 and the side wall surface member 40 of the fourth side wall 34 are removed to make the both side wall members 40 separable.
Further, if necessary, the bolts and nuts fastening the side wall surface material 40 of the second side wall 32 and the side wall surface material 40 of the third side wall 33 and the U-clip are removed or loosened, and the first side wall 31 The bolts and nuts and the U-clip fastening the side wall member 40 of the fourth side wall 34 and the side wall member 40 of the fourth side wall 34 are removed or loosened.

Next, as shown in FIG. 6, the horizontal end thick member 41 of the second side wall 32 is rotated outwardly of the mold 20 with the pivot pin 45 as a fulcrum. to open the third side wall 33, and rotate the horizontal end thick member 41 of the fourth side wall 34 to the outside of the mold 20 with the pivot pin 46 as a fulcrum with respect to the horizontal end thick member 41 of the first side wall 31. The fourth side wall 34 is opened by pulling to separate the third side wall 33 and the fourth side wall 34 to open the two side walls 33,34.
As a result, the close contact between the storage container body 2 housing the blocks and the formwork 20 is eliminated.

Next, for example, the storage container containing the blocks is lifted by hooking the hoisting belt 7 (see FIG. 1) of the storage container body 2 to a dedicated hoist attached to a cargo handling machine such as a forklift or a crane, and operating the forklift. The main body 2 is pulled up and removed from the mold 20, and the removed storage container main body 2 is once lowered on the ground.

Next, the upper part of the inner bag 2b that has been folded to the outside of the outer bag 2a is covered so as to cover the upper surface of the block containing it, and is temporarily fixed with an adhesive tape as appropriate, and the sealing sheet material 4 ( 1) is adhered to seal the inner bag 2b.

Then, as shown in FIG. 7, a hat-shaped (covering shape) lid 3 is placed on the top of the storage container body 2, and the lid fixing tape 16 attached to the lid 3 is attached to the storage container body 2. The lid 3 covering the storage container main body 2 is fixed and the outer bag 2a is sealed and sealed by engaging with the attached lid body fixing hook 17 so as to be hooked and tightly bound.

Thus, the flexible container bag 1 in which the storage container body 2 containing the blocks is sealed and sealed by the lid body 3 is carried out to an arbitrary destination or stored in an arbitrary storage place when it cannot be carried out immediately.

When storing at the storage place, the block-filled flexible container bags 1 that are sequentially brought into the storage place are regularly arranged vertically and horizontally so that the side parts 6 of each other are in contact with each other, and the bags have already been installed. Another flexible container bag 1 can be placed and stacked on the upper surface of the lid 3 of the flexible container bag 1 thus formed.

<Description of action and effect>
The block-filled flexible container bag 1 has a constant regular hexahedral shape, which reduces dead space when placed side by side in a storage place or the like, and can improve storage efficiency.
In addition, even if another block-containing flexible container bag 1 is placed on the upper surface of the lid 3 of the block-containing flexible container bag 1 that has already been installed, the block-containing flexible container bag 1 can be stacked and stored easily. Become.

As described above, the flexible container bag of the present invention has been described based on one embodiment, but the present invention is not limited to the configuration described in the above embodiment, and the configuration can be changed as appropriate without departing from the scope of the invention. It is something that can be done.

The flexible container bag of the present invention can increase the storage efficiency, has high airtightness, and can be easily stacked and stored. In addition to being suitable for storing and transporting luggage, it can also be used for storing, transporting and curing curable materials, and for manufacturing hexahedral blocks by curing the curable materials. It has great industrial applicability.

REFERENCE SIGNS LIST 1 flexible container bag 2 storage container body 2a outer bag 2b inner bag 3 lid 4 sealing sheet material 5 bottom portion 6 side portion 15 fixing means 20 formwork

Claims (3)

It is used to manufacture a hexahedral block by placing it in a hexahedral form with an open top, filling the inside with hardening material, and hardening it. A structure for fixing a flexible container bag to a formwork for a storage container body, comprising a storage container body formed in a rectangular shape and having an open top surface, and a covering-shaped lid covering the storage container body to cover the opening. Each of the four main body fixing belts provided at the four corners of the storage container main body is fixed onto a bulking plate fixed to the upper surface of one side of the side wall surface material adjacent to each other of the formwork, and is adjacent to each other. a hooking bar formed of a rod-shaped member extending in a direction orthogonal to the tapered surface formed in the abutting portion in a plan view at a position above the abutting portion of the side wall surface members to be fixed by hooking the hooking rod; A structure for fixing a storage container body of a flexible container bag to a formwork. A container fixture made of channel steel is attached so as to straddle the side wall surface material of the mold and the upper edge of the storage container body so as to sandwich the side wall surface material of the mold and the upper edge of the storage container body. 2. The structure for fixing the storage container body of the flexible container bag to the formwork according to claim 1, wherein the flexible container bag is fixed to the formwork. 3. The storage container body and the lid are made of woven fabric, and an inner bag made of synthetic resin is provided inside, and the upper part of the inner bag is folded back to the outside of the outer bag. 3. A structure for fixing the storage container body of the flexible container bag according to 1 or 2 to the formwork.

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