JPH11278586A - Container bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To manufacture a low cost container bag requiring no filling equipment and self-standing with an introduction hole facing upward within several seconds at the time of use. SOLUTION: In a container bag with a self-standing cylindrical liner 2 of recovery properties fixed along a body section of a bag main body 1 opened on a woven cloth, bonding is carried out by interposing a film sheet 1 or a cloth sheet 4 formed of flat yarns as the cylindrical liner 2 between a paper sheet 3 and another paper sheet 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to powdery products, agricultural products,
The present invention relates to a container bag for transporting waste materials of civil engineering construction materials.

[0002]

2. Description of the Related Art As container bags belonging to the above technical field, there are a disposable type and a type that can be used many times. When filling the contents into such a relatively large bag, it is necessary to prepare a predetermined filling facility for holding and opening the inlet of the container bag at each filling place. However, work sites equipped with such predetermined filling equipment are rare.For example, in cultivated land and civil engineering construction sites, columns are set up at the four corners of a pallet, and the container bag input port is provided on the columns. Temporary filling equipment is provided for fixing the shape and setting position of the inlet, such as setting and lifting to maintain the opening of the inlet and then filling. In addition, for several years, a dedicated metal outer frame has been adopted to fix the inlet of large round or square bags, but in any case, the inlet and the bag body are lifted and fixed. However, the effort for filling the contents has not been effectively reduced.

[0003]

The means for holding and opening the container bag inlet by provisionally provided filling equipment as described above has a problem that it takes time to set the filling equipment and the container bag. In addition, there is a problem that a special frame has to be moved and stored with the movement of the work site, which is disadvantageous in cost. In some, there is a container bag that integrally incorporates a support for holding the input port of the container bag body as a bone for making it stand alone, but it is inconvenient to stack because the form at the time of folding is bad, Overall, the cost is high.

[0004] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a low-cost container bag that does not require a filling facility and that is self-standing with its input port upward in a few seconds during use. And

[0005]

A container bag according to the present invention, which has been made to solve the above-mentioned problems, has a restoring property and is free standing along a body portion of a bag body opened on a woven fabric. Characterized by fixing a rigid rigid tubular liner. The position where the tubular liner is fixed may be either on the front or back of the bag body, and the tubular liner may be wrapped with the bag body and the covering material, but in order to protect the bag body from damage due to contact with the contents. Is better inside the bag itself. In addition, the material of the bag body is not limited, but a cost-effective and strong and light raw material, for example, polypropylene, an endless woven fabric using a flat yarn made of polyethylene resin as a raw yarn, or
It is desirable to use a plain weave fabric.

The cylindrical liner may be cylindrical or a cylinder having a square cross section. However, whichever is selected, the liner must be fixed along the body of the bag body. Yes (sew it to the bottom if necessary) The tubular liner may have a self-supporting tubular shape as a whole, or may be constituted by a single endless tubular liner or a plate-shaped liner molded into a tubular shape,
Or, regardless of whether it is configured by connecting a plurality of plate-shaped liners, in order to prevent damage to the bag body due to sticking of sharp contents, each liner connection interval as a component of the cylindrical liner is It is better to be as tight as possible. In addition, the material of the cylindrical liner is not particularly limited, but the following materials having high shape resilience that are hardly broken or damaged by folding or the like are desirable. More specifically, rigidity and resilience are achieved by bonding a cross sheet made of flat yarn or a synthetic resin film sheet between paper sheets called kraft paper or paperboard, etc. And a multilayer sheet combining rigidity and resilience by bonding a flat sheet cross sheet or a synthetic resin film sheet to at least one surface of a paper sheet. A structural sheet is mentioned, and as an aspect of adhesion, lamination adhesion and the like are mentioned.

The strength of the tubular liner, that is, the self-sustainability, rigidity, restoring property, etc. of the container bag provided with the tubular liner depends on the cross-sheet used for the multilayer structure sheet as the material of the tubular liner. It can be adjusted by increasing or decreasing the density, the driving density of the yarn constituting the cross sheet, or by increasing or decreasing the material and density of the synthetic resin film sheet, the basis weight of the paper sheet, and the amount of resin in the laminating process. In the case where the layered sheet is used as a plate-shaped liner, it can be adjusted by the number of superposed sheets as shown in FIG. Can be adjusted by increasing or decreasing the number of times of roll winding as shown in FIG. 11 or by increasing or decreasing the amount of adhesive applied between each roll winding layer. Precise design is possible.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A container bag according to the present invention will be described below with reference to the drawings. FIG. 1 shows a container bag in which a tubular liner 2 is sewn and integrated as shown in FIG. 2 over the entire inner surface of the body of a bag body 1 made of woven fabric. The woven fabric constituting the bag body 1 of the container back is a cross sheet of flat yarn made of polypropylene resin or polyethylene resin, and 1500 to 1700 denier flat yarn is driven into the course at 14 to 15 yarns / inch. A raw material (preferably a tubular endless raw material) can have sufficient strength to be used as a container bag. In addition, the bag body 1 is formed in a shape that is opened downward, and can be securely closed by, for example, being tied with a string or the like, so that the opening can be used as an outlet for taking out the contents. You can do it. Less than,
Description will be made assuming that the lower portion of the bag body 1 is closed.

On the other hand, a tubular liner 2 shown in the figure is a multilayer sheet having rigidity and restoring property obtained by laminating a cross sheet 4 in the middle of a paper sheet 3 made of kraft paper or paperboard in a sandwich shape. It is made of a structural sheet, and is formed by rolling the multilayer structure sheet into a cylindrical shape and fixing the left and right edges thereof. The height of the tubular liner 2 is set sufficiently lower than the height (depth) of the bag body 1, and the lower edge thereof is positioned with respect to the height direction of the tubular liner 2 in order to obtain autonomy. It is cut vertically. The tubular liner 2 is sewn to the lower portion of the bag body 1, and the upper portion of the bag body 1 remaining after the tubular liner 2 is sewn is
The part is tied with the string 5 as shown in FIGS.
The opening 6 can be opened and closed by opening the opening. As the cross sheet 4 serving as the core material of the tubular liner 2, a raw material obtained by driving 1000 denier flat yarn at a rate of 10 to 14 lines / inch is used.

In forming the multilayer structure sheet forming the cylindrical liner, a film sheet 11 made of a synthetic resin may be used instead of the cross sheet 4.
Examples of the synthetic resin used for the film sheet 11 include polypropylene, and may be a stretched film or a non-stretched film. For example, if it is a biaxially stretched film, one having a thickness of 30 to 60 μm,
For example, if it is a non-stretched film, the thickness is 60 to 100 μm.
It is desirable to select m.

The container bag shown in FIG. 3 is an example in which the entire surface of the tubular liner 2 is wrapped and integrated with the bag body 1 when setting the tubular liner 2 on the inner surface of the body of the bag body 1. 2 is similar to the container bag shown in FIG. 2 in that the cylindrical liner 2 is closely attached to the inner surface of the body of the bag body 1 as shown in FIG.
Material 7 made of the same material as the bag body 1
And the upper and lower edges of the covering material 7 are sewn to the bag body 1 to enclose the tubular liner 2.

In the container bag shown in FIG. 4, four plate-shaped multi-layered sheets 8 are individually sewn on the inner surface of the body of the bag body 1 having a rectangular cross section so that they form a cylindrical shape as a group. It is what I wore. The container bag shown in FIG.
A tubular liner 2 composed of four sheet-like multilayer sheets 8 is fixed to the outer surface of the body of a bag body 1 having a rectangular cross section. The cylindrical liner 2 used in this example
As shown in the figure, the edges of four plate-shaped multilayer sheets 8 are sequentially sewn together to form a tubular liner 2 having a rectangular cross section. As a result, the sewn portions (four corners) are formed. The part 9) is reinforced to further enhance independence.

The container bag constructed as described above is
At the time of filling, the upper portion of the bag body 1 is turned outward as shown in FIG. 8, so that the filling port 6 is reliably opened, and the bag body 1 becomes independent without using other filling equipment. After filling, the filling port 6 is sealed with a string or the like to obtain the package shown in FIG. 6. If a lifting cue 10 is provided on the bag body 1, the bag can be easily transported by a forklift or the like, and a relatively light object is provided. If so, it can be moved manually.
On the other hand, when the container bag is carried empty, the tubular liner 2 is folded in a state of being integrated with the bag body 1 as shown in FIGS. 9 and 10 (the bag body 1 is not shown), for example. By doing so, the volume occupied by the container bags is greatly reduced, and many container bags can be transported at one time.

Moreover, since the cylindrical liner 2 has a laminated structure of the paper sheet 3 and the cross sheet 4 as described above,
Of course, the bag itself has good independence, and when it is folded at the time of new shipment or reuse, the shape that should be in use is restored well, and cracking due to folding into a paper sheet that easily deteriorates, No scratches or cuts.

[0015]

As described above, the container bag according to the present invention utilizes the independence of the cylindrical liner for independence of the container bag by integrating a relatively rigid bag with a highly rigid tubular liner. . Thus, when filling the contents, the container bag according to the present invention can stand alone without using other filling equipment, and can reliably keep the filling port open. As a result, it takes time and labor to set up the filling equipment and set the container bag, as in the case of using the temporarily provided filling equipment as in the past, and with the movement of the work site Special frames, such as filling equipment, must be moved and stored,
The problem that the cost is disadvantageous is solved.

In the container bag according to the present invention, a paper sheet and a cross sheet, or a paper sheet and a synthetic resin film sheet are appropriately laminated on the body of the relatively flexible bag body by laminating. Even if it is shipped and transported in a state of being folded in two or four, it has a self-restoring force despite having sufficient self-sustainability and shape retention, because the tubular liner formed in this way is fixed and integrated. When the filling port is to be fully opened in preparation for filling the contents, the filling stand can be taken up in a few seconds. According to the above configuration, the tubular liner is hardly cracked due to folding, and the presence of the liner allows a conventional large bag, for example, a bone for supporting a support for holding an input port of a container bag body to stand alone. In addition to the piercing strength that is incomparable with those integrated as a single piece, the rupture strength and durability are both higher than before, so it is extremely useful for transporting projections etc. that are likely to damage the container bag It will be highly secure. In addition, the cylindrical liner and the container bag provided with the same are not only lighter in weight but also have a reduced volume when folded, so that the transportation efficiency is good, and the cylindrical liner and the container bag itself are relatively inexpensive. Therefore, the manufacturing cost and the running cost can be suppressed lower than before.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional view showing an example of a container bag according to the present invention.

FIG. 3 is a longitudinal sectional view showing an example of a container bag according to the present invention.

FIG. 4 is an explanatory view showing an example of a fixing state of a tubular liner in a container bag according to the present invention.

FIG. 5 is an explanatory view showing an example of a fixing state of a tubular liner in a container bag according to the present invention.

FIG. 6 is a perspective view showing an example of a package of a container bag according to the present invention.

FIG. 7 is a perspective view showing an example of a package of a container bag according to the present invention.

FIG. 8 is a perspective view showing an embodiment provided for filling a container bag according to the present invention.

FIG. 9 is a perspective view showing an example of a folded tubular liner.

FIG. 10 is a perspective view showing an example of a folded tubular liner.

FIG. 11 is a perspective view of a main part showing an example of a mode of a tubular liner.

FIG. 12 is a perspective view of a main part showing an example of a tubular liner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bag main body 2 Cylindrical liner 3 Paper sheet 4 Cross sheet 11 Film sheet

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[Procedure amendment]

[Submission date] March 25, 1999

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Title of the Invention] Container bag

[Claims]

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to powdery products, agricultural products,
The present invention relates to a container bag for transporting waste materials of civil engineering construction materials.

[0002]

2. Description of the Related Art As container bags belonging to the above technical field, there are a disposable type and a type that can be used many times. When filling the contents into such a relatively large bag, it is necessary to prepare a predetermined filling facility for holding and opening the inlet of the container bag at each filling place. However, work sites equipped with such predetermined filling equipment are rare.For example, in cultivated land and civil engineering construction sites, columns are set up at the four corners of a pallet, and the container bag input port is provided on the columns. Temporary filling equipment is provided for fixing the shape and setting position of the inlet, such as setting and lifting to maintain the opening of the inlet and then filling. In addition, for several years, a dedicated metal outer frame has been adopted to fix the inlet of large round or square bags, but in any case, the inlet and the bag body are lifted and fixed. However, the effort for filling the contents has not been effectively reduced.

[0003]

The means for holding and opening the container bag inlet by provisionally provided filling equipment as described above has a problem that it takes time to set the filling equipment and the container bag. In addition, there is a problem that a special frame has to be moved and stored with the movement of the work site, which is disadvantageous in cost. In some, there is a container bag that integrally incorporates a support for holding the input port of the container bag body as a bone for making it stand alone, but it is inconvenient to stack because the form at the time of folding is bad, Overall, the cost is high.

[0004] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a low-cost container bag that does not require a filling facility and that is self-standing with its input port upward in a few seconds during use. And

[0005]

A container bag according to the present invention, which has been made to solve the above-mentioned problems, has a restoring property and is free standing along a body portion of a bag body opened on a woven fabric. Contained by fixing a rigid rigid tubular liner
Nabag. The position where the tubular liner is fixed may be either on the front or back of the bag body, and the tubular liner may be wrapped with the bag body and the covering material, but in order to protect the bag body from damage due to contact with the contents. Is better inside the bag itself. In addition, the material of the bag body is not limited, but a cost-effective, strong and light raw material, for example, an endless woven material or a plain woven material using a flat yarn made of polypropylene or polyethylene resin as a raw yarn is used. It is desirable.

The cylindrical liner may be cylindrical or a cylinder having a square cross section. However, whichever is selected, the liner must be fixed along the body of the bag body. Yes (sew it to the bottom if necessary) The tubular liner may have a self-supporting tubular shape as a whole, or may be constituted by a single endless tubular liner or a plate-shaped liner molded into a tubular shape,
Or, regardless of whether it is configured by connecting a plurality of plate-shaped liners, in order to prevent damage to the bag body due to sticking of sharp contents, each liner connection interval as a component of the cylindrical liner is It is better to be as tight as possible. And, for the container bag according to the present invention,
The characteristic of the cylindrical liner that can be used is that it is
Materials that are difficult to enter and have high shape restoration properties, that is, paper sheets and paper
Cross sheet consisting of flat yarn between the sheet and
Or by bonding with a synthetic resin film sheet
Multi-layered sheets that combine rigidity and resilience
Flat yarn on at least one side of the paper sheet
Sheet or synthetic resin film sheet
Multi-layer structure with both rigidity and resilience
This is the point that is used. In addition, as a paper sheet,
Typically, it is called kraft paper or paperboard, but
Examples of the mode of adhesion include lamination adhesion and the like.
You.

The strength of the tubular liner, that is, the self-sustainability, rigidity, restoring property, etc. of the container bag provided with the tubular liner depends on the cross-sheet used for the multilayer structure sheet as the material of the tubular liner. It can be adjusted by increasing or decreasing the density, the driving density of the yarn constituting the cross sheet, or by increasing or decreasing the material and density of the synthetic resin film sheet, the basis weight of the paper sheet, and the amount of resin in the laminating process. When the layered sheet is used as a plate-shaped liner, it can be adjusted by the number of superposed sheets as shown in FIG. 12, and when a single multilayered sheet is roll-wound to form a cylindrical liner. Can be adjusted by increasing or decreasing the number of times of roll winding as shown in FIG. 11 or by increasing or decreasing the amount of adhesive applied between each roll winding layer. Precise design is possible.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A container bag according to the present invention will be described below with reference to the drawings. FIG. 1 shows a container bag in which a tubular liner 2 is sewn and integrated as shown in FIG. 2 over the entire inner surface of the body of a bag body 1 made of woven fabric. The woven fabric constituting the bag body 1 of the container back is a cross sheet of flat yarn made of polypropylene resin or polyethylene resin, and 1500 to 1700 denier flat yarn is driven into the course at 14 to 15 yarns / inch. A raw material (preferably a tubular endless raw material) can have sufficient strength to be used as a container bag. In addition, the bag body 1 is formed in a shape that is opened downward, and can be securely closed by, for example, being tied with a string or the like, so that the opening can be used as an outlet for taking out the contents. You can do it. Less than,
Description will be made assuming that the lower portion of the bag body 1 is closed.

On the other hand, a tubular liner 2 shown in the figure is a multilayer sheet having rigidity and restoring property obtained by laminating a cross sheet 4 in the middle of a paper sheet 3 made of kraft paper or paperboard in a sandwich shape. It is made of a structural sheet, and is formed by rolling the multilayer structure sheet into a cylindrical shape and fixing the left and right edges thereof. The height of the tubular liner 2 is set sufficiently lower than the height (depth) of the bag body 1, and the lower edge thereof is positioned with respect to the height direction of the tubular liner 2 in order to obtain autonomy. It is cut vertically. The tubular liner 2 is sewn to the lower portion of the bag body 1, and the upper portion of the bag body 1 remaining after the tubular liner 2 is sewn is
The part is tied with the string 5 as shown in FIGS.
The opening 6 can be opened and closed by opening the opening. As the cross sheet 4 serving as the core material of the tubular liner 2, a raw material obtained by driving 1000 denier flat yarn at a rate of 10 to 14 lines / inch is used.

In forming the multilayer structure sheet forming the cylindrical liner, a film sheet 11 made of a synthetic resin may be used instead of the cross sheet 4.
Examples of the synthetic resin used for the film sheet 11 include polypropylene, and may be a stretched film or a non-stretched film. For example, if it is a biaxially stretched film, one having a thickness of 30 to 60 μm,
For example, if it is a non-stretched film, the thickness is 60 to 100 μm.
It is desirable to select m.

The container bag shown in FIG. 3 is an example in which the entire surface of the tubular liner 2 is wrapped and integrated with the bag body 1 when setting the tubular liner 2 on the inner surface of the body of the bag body 1. 2 is similar to the container bag shown in FIG. 2 in that the cylindrical liner 2 is closely attached to the inner surface of the body of the bag body 1 as shown in FIG.
Material 7 made of the same material as the bag body 1
And the upper and lower edges of the covering material 7 are sewn to the bag body 1 to enclose the tubular liner 2.

In the container bag shown in FIG. 4, four plate-shaped multi-layered sheets 8 are individually sewn on the inner surface of the body of the bag body 1 having a rectangular cross section so that they form a cylindrical shape as a group. It is what I wore. The container bag shown in FIG.
A tubular liner 2 composed of four sheet-like multilayer sheets 8 is fixed to the outer surface of the body of a bag body 1 having a rectangular cross section. The cylindrical liner 2 used in this example
As shown in the figure, the edges of four plate-shaped multilayer sheets 8 are sequentially sewn together to form a tubular liner 2 having a rectangular cross section. As a result, the sewn portions (four corners) are formed. The part 9) is reinforced to further enhance independence.

The container bag constructed as described above is
At the time of filling, the upper portion of the bag body 1 is turned outward as shown in FIG. 8, so that the filling port 6 is reliably opened, and the bag body 1 becomes independent without using other filling equipment. After filling, the filling port 6 is sealed with a string or the like to obtain the package shown in FIG. 6. If a lifting cue 10 is provided on the bag body 1, the bag can be easily transported by a forklift or the like, and a relatively light object is provided. If so, it can be moved manually.
On the other hand, when the container bag is carried empty, the tubular liner 2 is folded in a state of being integrated with the bag body 1 as shown in FIGS. 9 and 10 (the bag body 1 is not shown), for example. By doing so, the volume occupied by the container bags is greatly reduced, and many container bags can be transported at one time.

Moreover, since the cylindrical liner 2 has a laminated structure of the paper sheet 3 and the cross sheet 4 as described above,
Of course, the bag itself has good independence, and when it is folded at the time of new shipment or reuse, the shape that should be in use is restored well, and cracking due to folding into a paper sheet that easily deteriorates, No scratches or cuts.

[0015]

As described above, the container bag according to the present invention utilizes the independence of the cylindrical liner for independence of the container bag by integrating a relatively rigid bag with a highly rigid tubular liner. . Thus, when filling the contents, the container bag according to the present invention can stand alone without using other filling equipment, and can reliably keep the filling port open. As a result, it takes time and labor to set up the filling equipment and set the container bag, as in the case of using the temporarily provided filling equipment as in the past, and with the movement of the work site Special frames, such as filling equipment, must be moved and stored,
The problem that the cost is disadvantageous is solved.

In the container bag according to the present invention, a paper sheet and a cross sheet, or a paper sheet and a synthetic resin film sheet are appropriately laminated on the body of the relatively flexible bag body by laminating. Even if it is shipped and transported in a state of being folded in two or four, it has a self-restoring force despite having sufficient self-sustainability and shape retention, because the tubular liner formed in this way is fixed and integrated. When the filling port is to be fully opened in preparation for filling the contents, the filling stand can be taken up in a few seconds. According to the above configuration, the tubular liner is hardly cracked due to folding, and the presence of the liner allows a conventional large bag, for example, a bone for supporting a support for holding an input port of a container bag body to stand alone. In addition to the piercing strength that is incomparable with those integrated as a single piece, the rupture strength and durability are both higher than before, so it is extremely useful for transporting projections etc. that are likely to damage the container bag It will be highly secure. In addition, the cylindrical liner and the container bag provided with the same are not only lighter in weight but also have a reduced volume when folded, so that the transportation efficiency is good, and the cylindrical liner and the container bag itself are relatively inexpensive. Therefore, the manufacturing cost and the running cost can be suppressed lower than before.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional view showing an example of a container bag according to the present invention.

FIG. 3 is a longitudinal sectional view showing an example of a container bag according to the present invention.

FIG. 4 is an explanatory view showing an example of a fixing state of a tubular liner in a container bag according to the present invention.

FIG. 5 is an explanatory view showing an example of a fixing state of a tubular liner in a container bag according to the present invention.

FIG. 6 is a perspective view showing an example of a package of a container bag according to the present invention.

FIG. 7 is a perspective view showing an example of a package of a container bag according to the present invention.

FIG. 8 is a perspective view showing an embodiment provided for filling a container bag according to the present invention.

FIG. 9 is a perspective view showing an example of a folded tubular liner.

FIG. 10 is a perspective view showing an example of a folded tubular liner.

FIG. 11 is a perspective view of a main part showing an example of a mode of a tubular liner.

FIG. 12 is a perspective view of a main part showing an example of a tubular liner.

[Description of Signs] 1 Bag main body 2 Cylindrical liner 3 Paper sheet 4 Cross sheet 11 Film sheet

Claims (5)

[Claims] 1. A bag body (1) opened on a woven fabric.
A container bag comprising a rigid tubular liner (2) which has a restoring property and is capable of being self-supporting is fixed along the trunk of the container. 2. A multi-layered sheet formed by bonding a cross sheet (4) made of flat yarn between a paper sheet (3) and a paper sheet (3) as the tubular liner (2). The container bag according to claim 1, wherein 3. A multi-layer sheet made by bonding a cross sheet (4) made of flat yarn to at least one surface of a paper sheet (3) as the tubular liner (2). Container bag. 4. A multi-layer structure sheet formed by bonding a synthetic resin film sheet (11) between a paper sheet (3) and the paper sheet (3) as the tubular liner (2). The container bag according to claim 1, wherein 5. A multi-layer sheet made by bonding a synthetic resin film sheet (11) to at least one surface of a paper sheet (3) as the tubular liner (2). Container bag.