JP2019196203A - Flexible container bag - Google Patents

Abstract

To provide a flexible container bag which can improve containing efficiency, has high sealability and can be easily stored by being stacked.SOLUTION: A flexible container bag comprises a storage container body 2 whose adjacent sides 6 are formed into a right angled shape with bottom and whose upper surface is open and a lid body 3 of a covering shape that closes the opening by covering the storage container body 2. If necessary, fixing means 15 for fixing the lid 3 on the storage container body 2 is provided, and the storage container body 2 and the lid 3 are made of synthetic fiber woven fabric, and an inner bag 2b made of synthetic resin is provided inside.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a flexible container bag used when storing and transporting luggage such as powder particles and waste, and in particular, storing, transporting and curing a curable material, and curing the curable material to form a block. The present invention relates to a flexible container bag used for manufacturing.

  2. Description of the Related Art Conventionally, for example, a cylindrical flexible container bag has been used when storing and transporting luggage such as powder particles and waste (see Patent Document 1).

JP 2014-159305 A

  The conventional flexible container bag described in Patent Document 1 includes a cylindrical bag main body and a cylindrical charging portion sewn on the upper end side of the bag main body, and enters the bag main body through the charging portion. After the baggage is filled and filled, the bag body containing the baggage is hermetically sealed by tying the top of the input part like a drawstring bag and closing it.

However, in the conventional flexible container bag, since the bag body is cylindrical, the shape of the baggage accommodated is not constant, and there is a problem that the dead space when installed side by side increases and the accommodation efficiency is poor. there were.
Also, when sealing the bag body, the upper part of the input part is tied and closed like a drawstring bag, so the sealing performance is poor, and the shape of the upper surface protrudes locally. When the flexible container bags were stacked, the stacked flexible container bags were inclined and became unstable, and it was difficult to stack and store them.

  In view of the problems of the conventional flexible container bag, an object of the present invention is to provide a flexible container bag that can increase the storage efficiency, has high sealing performance, and can be easily stacked and stored. To do.

  In order to achieve the above object, the flexible container bag of the present invention is formed in a bottomed square shape in which the adjacent side surface portions form a right angle, and the opening is formed by covering the storage container body with the upper surface opened and the storage container body. It is characterized by comprising a cover-shaped lid to be closed.

  In this case, a fixing means for fixing the lid body to the storage container body can be provided.

  Moreover, the said storage container main body and a cover body consist of woven fabrics, and the inner bag made from a synthetic resin can be provided in an inside.

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

  Further, by providing a fixing means for fixing the lid body to the storage container body, the sealing performance can be further improved.

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

It is a disassembled perspective view of the flexible container bag which concerns on one Embodiment of this invention. The formwork in which the flexible container bag is installed is shown, (a) is a plan view, and (b) is a front view. It is procedure explanatory drawing which installs the storage container main body of the flexible container bag in a formwork. It is procedure explanatory drawing which fixes the storage container main body of the flexible container bag to a formwork with a container fixing tool and a container fixing auxiliary tool. It is procedure explanatory drawing which mounts an inner cover to a formwork. It is the state figure which open | released two other side walls with respect to two side walls fixedly installed. It is the state figure which sealed and sealed the storage container main body of the flexible container bag with the lid.

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

  In FIG. 1, one Example of the flexible container bag of this invention is shown.

<Overview of flexible container bag>
As shown in FIG. 1, a flexible container bag 1 according to the present embodiment covers a storage container body 2 formed in a bag shape having an upper surface opened using a flexible sheet material, and the storage container body 2. And a cover-shaped lid 3 that closes the opening, and a sealing sheet material 4 that is disposed between the storage container main body 2 and the lid 3 and functions as an inner lid.

<Description of storage container body>
The storage container body 2 has a square-shaped (may be rectangular) bottom surface portion 5 and four side surface portions 6 integrally connected to four sides of the bottom surface portion 5, and adjacent side surface portions. 6 are integrally connected so as to form a right angle and are formed in a square shape having a square cross section (in some cases, a rectangular cross section).
The storage container body 2 has a double structure in which, for example, an outer bag 2a made of a chemical fiber woven fabric such as a polypropylene woven fabric and an inner bag 2b made of a resin sheet such as a polyethylene sheet are overlapped. In addition, it is lightweight and easy to fold, it can easily secure the required strength and can have a waterproof function.
The outer bag 2a and the inner bag 2b can be fixed by, for example, a method of fixing using an adhesive using a double-sided adhesive tape, a method of fixing using a hook-and-loop fastener in a freely detachable manner, and fixing by sewing with a thread (sewing). Method).

As will be described later, the storage container body 2 is installed inside the mold 20 by being inserted into a storage part 35 of the mold 20 described later. At this time, the bottom floor material 25 and four side walls described later are installed. The shape dimensions of the bottom surface portion 5 and the four side surface portions 6 are set so as to fit in the accommodating portion 35 in a state of being in close contact with 31 to 34.
Moreover, the inner bag 2b is set to a height dimension that protrudes by a predetermined height above the outer bag 2a so that the upper portion of the inner bag 2b can be folded and overlapped with the outer side of the upper portion of the outer bag 2a. .

In the storage container body 2, for example, a required lifting belt 7 on which a dedicated lifting tool (not shown) equipped on a cargo handling machine such as a forklift or a crane is hooked is sewn from the bottom surface portion 5 to each side surface portion 6. ing.
A main body fixing belt 8 is sewn to each of the four corners of the storage container main body 2.
The main body fixing belt 8 is for fixing the storage container main body 2 to a formwork 20 described later, and is disposed at an intermediate position in the vertical direction of the storage container main body 2.

<Description of lid>
The lid 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 body 2.
That is, the lid 3 has a square shape in a plan view (in some cases, a rectangular shape in a plan view) having a size capable of closing the opening of the storage container main body 2 and has a top plate portion 10 having a horizontal upper surface. Adjacent side surface portions having four side surface portions 11 integrally connected to four sides of the top plate portion 10 so as to be superposed on the upper portions of the four side surface portions 6 in the storage container body 2 from the outside. 11 are integrally connected so as to form a right angle, and are formed in a square shape having a square cross section (in some cases, a rectangular cross section).
When the lid 3 is covered so as to close the opening of the storage container main body 2, the opening of the storage container main body 2 is covered by the top plate portion 10 of the lid 3, and the upper portions of the four side surface portions 6 in the storage container main body 2 are covered. Since the four side surfaces 11 of the lid body 3 are overlapped from the outside, the sealing property can be improved and the entry of rain or the like can be reliably prevented.
Moreover, since the top surface of the lid 3 is formed in a horizontal plane by adopting the top plate portion 10 having a horizontal surface, it is stable even when another flexible container bag 1 is placed on the top surface of the lid 3. .

<Description of means for fixing the lid>
The fixing means 15 for fixing the lid 3 to the storage container body 2 includes a lid fixing tape 16 sewn to each of the four corners of the lid 3 and the four corners of the storage container body 2. And a lid fixing hook 17 to be sewn to each.
The lid fixing tape 16 is disposed at the lower portion of the lid 3, and the lid fixing hook 17 is disposed at a position closer to the lower portion from the middle position in the vertical direction of the storage container body 2.
In this fixing means 15, the lid fixing tape 16 is engaged with the lid fixing hook 17 so as to be hooked on the upper portion of the storage container main body 2, and is tightened. The lid 3 can be fixed to the storage container main body 2, and the sealing performance can be further improved.

The flexible container bag 1 according to the present embodiment is used for storing, transporting, and curing a curable material, and for curing the curable material to produce a hexahedral block.
In addition, it is not limited to the application example of the flexible container bag 1 shown by this embodiment, Of course, it is also possible to apply the flexible container bag 1 for the use which stores and conveys luggage, such as a granular material and waste. It is.

When manufacturing a hexahedral block, a separately prepared mold 20 as shown in FIGS. 2A and 2B is used, and the storage container body 2 is installed inside the mold 20, A hexahedral block is manufactured by filling the inside of the installed container body 2 with a curable material and curing it.
Here, as the curable material, for example, a kneaded product obtained by kneading incinerated ash containing a radioactive substance and cement milk and cement milk is used. However, the present invention is not limited to this, and cement milk may be sand, gravel, pebbles. Ordinary concrete in which an aggregate such as crushed stone is kneaded at an appropriate ratio, or a resin such as expanded polystyrene or plastic may be used.

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

<Outline explanation of formwork>
2 (a) and 2 (b) includes a bottom floor 25 having an insertion port into which a cargo handling claw (fork) is inserted so that it can be lifted and transported by a forklift (not shown). The first side wall 31, the second side wall 32, the third side wall 33, and the fourth side wall 34 are provided on the material 25, and the overall appearance is formed in a hexahedral shape with the upper part opened.

The four side walls 31 to 34 are assembled in a square frame shape (which may be a rectangular frame shape) in plan view, and the accommodating portion 35 is defined by the four side walls 31 to 34 and the bottom floor material 25. .
Of the four side walls 31 to 34, two adjacent first side walls 31 and second side walls 32 are fixedly attached to the bottom floor material 25, and the other two side walls 33 and 34, that is, the third side wall 33. And the 4th side wall 34 is movably installed with respect to the bottom floor material 25. As shown in FIG.

Each of the side walls 31 to 34 includes a side wall member 40 constituting a wall surface and a lateral end thick member 41 attached to the outer surface of the side wall member 40 in a horizontal state with a necessary step (two steps in the upper and lower directions in this example). ing.
The side wall face members 40 adjacent to each other are fastened and fixed by bolts and nuts (not shown) and U-clips used as appropriate.

The lateral end thick member 41 of the third side wall 33 is rotatable with the pivot pin 45 as a fulcrum with respect to the lateral end thick member 41 of the second side wall 32, whereby the second side wall fixedly installed. A third side wall 33 is swingably attached to 32.
Further, the lateral end thick member 41 of the fourth side wall 34 is rotatable with respect to the lateral end thick member 41 of the first side wall 31 with the pivot pin 46 as a fulcrum, and is thereby fixedly installed. A fourth side wall 34 is swingably attached to the first side wall 31.

  The lateral end thick member 41 of the third side wall 33 and the lateral 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 joint portion between the third side wall 33 and the fourth side wall 34 can be easily performed by operating the fastener 50.

<Description of container fixture>
As shown in FIG. 2A, a container fixture 51 connected by a chain, a wire rope or the like (not shown) is attached in the vicinity of each side wall member 40 in the four side walls 31-34. .
The container fixture 51 is made of a grooved steel material that can be put on both the side wall face material 40 and the upper edge of the storage container body 2.
Here, in this embodiment, the container fixture 51 is installed at the center position of each of the side wall face members 40 in the four side walls 31 to 34, but is sewn to the container fixture 51 and the storage container body 2. For example, the container fixture 51 can be installed at two places on both sides of the side wall member 40 so as not to interfere with the lifting belt 7 that is being used.

<Description of container fixing aid>
As shown in FIG. 2A, a container fixing assisting tool 55 is attached to the upper surface side of the corner portion where the side wall face materials 40 adjacent to each other intersect.
The container fixing auxiliary tool 55 includes a bulk plate 56 that is fixed to the upper surface of one side of the side wall member 40 adjacent to each other, and a hook rod 57 that is fixed on the bulk plate 56.
The hook rod 57 is made of a rod-like member extending in a direction perpendicular to the tapered surface formed in the abutting portion at a position above the abutting portion of the side wall face 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 mold 20 will be described below mainly with reference to FIGS.

First, when the block is manufactured, as shown in FIGS. 2A and 2B, the lateral end thick member 41 of the third side wall 33 and the lateral end thick member 41 of the fourth side wall 34 are connected to the fastener 50. The mold 20 is assembled in a usable state.
Further, 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 mold 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 with respect to the bottom floor material 25 and the four side walls 31 to 34 of the mold 20 The storage container body 2 is placed in the storage portion 35 of the mold 20 so that the portion 5 and the four side surface portions 6 are in close contact with each other.

Next, as shown in FIG. 4, each of the four main body fixing belts 8 provided at the four corners of the storage container main body 2 is hooked on the hook rod 57 of the corresponding container fixing auxiliary tool 55 to be bound and fixed. .
As a result, the corner portion of the storage container body 2 is kept in a state of being exactly aligned with the corner portion of the storage portion 35.
Further, the container fixture 51 attached to each side wall face member 40 is sandwiched between the corresponding side wall face member 40 and the upper edge of the storage container body 2 with the upper portion of the inner bag 2b folded back. It mounts | wears so that the side wall surface material 40 and the upper edge part of the storage container main body 2 may be straddled.
Thereby, each side part 6 of the storage container main body 2 is maintained in the state which contacted the side wall surface material 40 exactly.

When the storage container body 2 is installed inside the mold 20 as described above, the inside of the installed storage container body 2 is filled with a curable material.
When the filling is completed, as shown in FIG. 5, the steel inner lid 60 is attached to the mold frame 20 so as to close the opening of the accommodating portion 35. In this case, the steel inner lid 60 may be used as necessary, and this step can be omitted.
Then, the formwork 20 is carried to a curing yard using a forklift or the like, and cured for a predetermined curing period, thereby producing a hexahedral block. In this case, a curing rack may be installed in the curing yard as needed, and curing may be performed by storing the formwork 20 in a predetermined position of the curing rack.

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

First, the fastener 50 is operated to release the fastening state between the lateral end thick member 41 of the third side wall 33 and the lateral end thick member 41 of the fourth side wall 34 so that both the lateral end thick members 41 can be separated. And
Moreover, the bolt and nut which fasten the side wall surface material 40 of the 3rd side wall 33, and the side wall surface material 40 of the 4th side wall 34, and a U clip are removed, and it will be in the state which can isolate | separate the both-side wall surface material 40.
Further, the bolts and nuts that fasten 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 as necessary, and the first side wall 31 is also removed. The bolts and nuts that fasten the side wall face material 40 and the side wall face material 40 of the fourth side wall 34 and the U clip are removed or loosened.

Next, as shown in FIG. 6, the lateral end thick material 41 of the third side wall 33 is rotated outwardly of the mold 20 with the pivot pin 45 as a fulcrum with respect to the lateral end thick member 41 of the second side wall 32. To open the third side wall 33, and pivot the lateral end thick material 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 lateral end thick material 41 of the first side wall 31. Thus, the fourth side wall 34 is opened, the third side wall 33 and the fourth side wall 34 are separated, and the two side walls 33 and 34 are opened.
Thereby, the contact | adherence state of the storage container main body 2 which accommodates the block, and the formwork 20 is eliminated.

  Next, for example, a storage container that stores blocks by hooking a lifting belt 7 (see FIG. 1) of the storage container main body 2 to a dedicated suspension mounted on a cargo handling machine such as a forklift or a crane and operating the forklift. The main body 2 is pulled up and extracted from the mold 20, and the extracted storage container main body 2 is once lowered onto the ground.

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

  Then, as shown in FIG. 7, a cap-shaped (covered) lid 3 is placed on the top of the storage container main body 2, and a lid fixing tape 16 attached to the lid 3 is attached to the storage container main body 2. By engaging and binding to the attached lid fixing hook 17, the lid 3 placed on the storage container body 2 is fixed, and the outer bag 2a is sealed and sealed.

  Thus, the flexible container bag 1 in a state in which the storage container main body 2 storing the blocks is sealed and sealed with the lid 3 is carried out to an arbitrary carrying-out destination or stored in an arbitrary storage place when it cannot be carried out immediately.

  When storing in the storage location, the flexible container bags 1 with the blocks that are sequentially carried into the storage location are installed in a regular arrangement vertically and horizontally so that the side portions 6 of each block come into contact with each other. Another flexible container bag 1 can be placed and stacked on the upper surface of the lid 3 of the formed flexible container bag 1.

<Description of effects>
The block-filled flexible container bag 1 has a regular hexahedron shape, which reduces dead space when placed side by side in a storage place or the like, and can increase the accommodation efficiency.
Moreover, since it is stable even if another flexible container bag 1 with a block is placed on the upper surface of the lid 3 of the flexible container bag 1 with a block already installed, it is easy to stack and store the flexible container bags 1 with blocks. Become.

  As mentioned above, although the flexible container bag of this invention was demonstrated based on one embodiment, this invention is not limited to the structure described in the said embodiment, The structure is suitably changed in the range which does not deviate from the meaning. Is something that can be done.

  The flexible container bag of the present invention has the characteristics that it can increase the storage efficiency, has high hermeticity, and is easy to stack and store. Besides being able to be used suitably for storage / transport applications, it can also be used for storing, transporting and curing curable materials, and for making hexahedral blocks by curing the curable materials, Industrial applicability is great.

DESCRIPTION OF SYMBOLS 1 Flexible container bag 2 Storage container main body 2a Outer bag 2b Inner bag 3 Lid body 4 Sealing sheet material 5 Bottom face part 6 Side face part 15 Fixing means 20 Formwork

Claims (3)

  A flexible, characterized in that it is formed in a bottomed square shape in which adjacent side surface portions form a right angle, and has a storage container body whose upper surface is open and a cover-shaped lid that covers the storage container body to close the opening. Container bag.   The flexible container bag according to claim 1, wherein fixing means for fixing the lid body to the storage container body is provided.   The flexible container bag according to claim 1, wherein the storage container main body and the lid body are made of woven fabric, and an inner bag made of synthetic resin is provided inside.

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