JP4989160B2 - Soil bag and how to make a soil bag using this bag - Google Patents

Description

  In the present invention, a sandbag made of synthetic fiber or natural fiber is filled with a filling material such as sand or earth and sand, and a sandbag used as a weight, earth retaining, damming or container bag, and a sandbag using this sandbag. It relates to the production method.

Conventional sandbags are disclosed in, for example, Japanese Patent Application Laid-Open No. 2003-105734 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2006-45889 (Patent Document 2). FIG. 8 is a schematic view of a sandbag disclosed in these publications. Referring to FIG. 8, a conventional sandbag 100 is provided with a cube-shaped sandbag main body 101 that contains a filling material such as earth and sand, and a suspension belt 102 for hanging the sandbag main body 101.
JP 2003-105734 A (summary) JP 2006-45889 A (summary)

  A conventional sandbag is hung by a hanging belt attached to the outside of the bag, but it takes time to sew the hanging belt such as hanging at 4 points or hanging at 6 points. In the case of a sandbag with a large mass, which is commonly referred to as 1 ton sandbag, it is suspended by a belt attached to the outside of the sandbag, but it takes time and effort to sew the belt. There was a problem that the thickness and number of the belts increased, and the material used for the belt increased.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a sandbag and a method for manufacturing a sandbag using the same, which require a small amount of material to hang and are easy to sew. To do.

  The sandbag according to the present invention is characterized in that a rope integrated with the bag material at the bottom of the bag is provided inside the sandbag, and the sandbag filled with the filling material is hung using this rope. And

  Preferably, the suspension rope is a rope made of synthetic fiber or natural fiber, and is endless or has rings at both ends.

  In another aspect of the present invention, a method for producing a sandbag is a state in which the hanging rope is filled with a filling material in the state where the hanging rope is temporarily out of the bag from the sandbag, and then the suspension rope is opened to the sandbag. Further protrude outside the bag and close the opening with a string.

  In still another aspect of the present invention, the sandbag has an opening and a bottom. The opening of the sandbag is provided with a first rope for closing the opening, the bottom is provided with a second rope for squeezing the bottom, and a suspension rope for hanging the second rope on the sandbag Use as

  The second rope may be endless or have rings at both ends.

  In still another aspect of the present invention, a method for producing a sandbag is to invert the sandbag and fill the inside of the inverted sandbag with the filling material from the opening, and the second rope from the opening. Take a sandbag by taking out and closing the opening with the first rope.

  A rope integrated with the bag material at the bottom of the bag was provided inside the sandbag, and the sandbag filled with the filling material was suspended by this rope. Therefore, since the sandbag is hung by the hanging rope attached to the inside of the sandbag, even if the weight of the sandbag increases, it is always possible to select one rope that matches the mass. Can be hung with.

  As a result, it is possible to provide a sandbag that requires less material to hang and is easy to sew.

  An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an overall structure of a sandbag according to an embodiment of the present invention. Referring to FIG. 1, a sandbag 10 is formed by sewing a fabric made of synthetic fiber or natural fiber. The sandbag 10 includes an opening 14 and a straight bag bottom 16 provided on the opposite side. A passage 11 is formed around the opening 14 by sewing an end portion, and a closing string (first rope) 12 is passed through the passage 11. By pulling the closing string 12, the opening 14 is closed.

  A passage 15 is also provided in the bag bottom 16, and an endless hanging rope (second rope) 13 is passed through the passage 15. The bottom 16 of the bag is drawn into the drawstring purse state along the suspension rope 13, and the bag is turned over in that state, and the suspension rope 13 is placed inside the bag as shown in FIG. As a result, the purse draw part 19 is formed.

  In addition, as shown in FIG. 6, you may comprise the slit part 17 to the channel | path 15, and it can comprise so that the suspension rope 13 can be pulled out from the slit part 17. FIG. If it does so, since both ends of the bag bottom part 16 will be restrict | squeezed and closely_contact | adhered and it will be in a drawstring state, it is preferable.

  FIG. 3 is a diagram showing a method for producing a sandbag using the sandbag 10 according to this embodiment. Referring to FIG. 3, a sandbag 10 is placed in a production frame 18 for producing a sandbag, and sand, earth and sand, etc. are filled as a filling material (not shown). Here, the manufacturing frame 18 has a rectangular parallelepiped shape having openings on the upper and lower sides. Thus, by providing openings on the upper and lower sides, the production frame 18 itself can be removed, or the soilbag 20 may be taken out. At this time, the suspension rope 13 is put out from the upper opening 14. After filling the filling material, the opening 14 is closed with the string 12 closed. This state is shown in FIG. Thereafter, the hanging rope 13 is hooked on a hook of a crane (not shown), and the clay 20 is lifted and taken out from the production frame 18. In this case, the production frame 18 may be lifted with a crane, and the soilbag 20 may be taken out. FIG. 5 (the filling material is not shown) shows a state in which the sandbag 20 is lifted.

  When the bag is lifted, the bottom bag material constituting the bag bottom portion 16 is concentrated on the center of the bottom portion, and the load is evenly applied to the entire soil bag 10 so that the load is locally applied to the bag material as in the case of hanging with a conventional belt outside the bag. Will not take.

  Next, specific specifications of the sandbag 10 will be described. As the fiber used for the sandbag 10, a polyester woven fiber of 1670 dtex is used, and both a vertical and a horizontal plain weave with a density of 20 pieces / inch, a woven fabric having a tensile strength of 4,400 N / 5 cm, a width of 1.8 m × length 5 A bag having a width of 1.8 m at the top opening and a length of 2.7 m on the side of the 5.4 m side was folded using .4 m.

  Next, as shown in FIG. 1, the opening end 20 cm was folded in half and sewn to create a passage 11, and a nylon fiber rope (φ6 mm) closing string 12 was inserted into the passage 11.

  The hanging rope 13 is attached by sewing a 10 cm width of the bag bottom portion 16 folded back and folded into a passage 15 by a sewing machine, and a polyester fiber rope (φ 22 mm, length 4 m) as the hanging rope 13 in the passage 15. ) Was inserted and processed into an endless shape.

  Next, along the suspension rope 13, the drawstring throttling was performed on the passage 15 of the bag bottom 16, and the bag was turned over in this state, and the drawstring throttling portion 19 was placed inside the bag (see FIG. 2).

  The sandbag 10 is spread and placed in a metal production frame 18 for filling a filling material of 1.1 m in width, 1.1 m in length and 1.1 m in height, and the suspension rope 13 is placed on the upper part of the production frame 18 with a metal rod. 21 was handed and temporarily fixed with a temporary fixing string (not shown). In this state, about 1 m3 of earth and sand was filled, and after filling, the temporary fixing string was unwound from the metal rod 21, the hanging rope 13 was taken out of the opening 14, and the opening 14 was closed with the closing string 12 and closed. After this, the suspension rope 13 was hung with a crane and the soilbag was taken out.

  The sandbag of the present invention is composed of a woven fabric woven with synthetic fibers such as polyester, polyamide, polyolefin, polyvinyl formal, polylactic acid, or natural fibers such as hemp and jute, and a twisted rope.

  A sandbag is manufactured by filling the sandbag 10 with a filling material such as sand or earth and sand. In this embodiment, the sandbag means a bag not filled with filling material, and the sandbag means a material filled with filling material.

  Next, another embodiment of the present invention will be described. FIG. 7 is an overall view showing a sandbag 30 according to another embodiment of the present invention. Referring to FIG. 7, in the sandbag 30 in this embodiment, a suspension rope 23 having rings 24 a and 24 b is passed through both ends of the passage 15 provided in the straight bag bottom 16. In this suspension rope 23, as shown by an arrow A in FIG. 7, the ring 24a at one end is passed through the ring 24b at the other end, and the ring 24a is used as a suspension part. Further, the rings 24a and 24b may be hung on a hanging tool. The other points are the same as in the previous embodiment, and the description thereof is omitted.

  Next, still another embodiment of the present invention will be described. FIG. 9 is a view showing a sandbag 40 according to still another embodiment of the present invention. Referring to FIG. 9, double hanging ropes 13 a and 13 b are passed through passage 15 provided in straight bag bottom 16 in sandbag 40 in this embodiment. In the suspension ropes 13a and 13b, by pulling the rope 13a, the lower end portion of the sandbag 40 can be squeezed with the rope 13b. The other points are the same as in the previous embodiment, and the description thereof is omitted.

  FIG. 10 is a view showing another example of the closing string passing through the passage 11 of the opening 14 of the sandbag 40 in this case. Referring to FIG. 10, in this embodiment, two endless strings 12a and 12b are provided as closed strings. The opening 14 can be easily closed by pulling the closing strings 12a and 12b individually.

  In addition, you may use the opening part which provided such two closed strings in the above-mentioned embodiment.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

It is a figure which shows the earthen bag which was sewing-processed and provided with the endless hanging rope and the closing string. It is a figure which shows the state which turned the sandbag of FIG. 1 upside down. It is a figure which shows the production method of a sandbag. It is a figure which shows the state which put the sandbag in the production frame, was filled with the filling material, and was tied with the closing string. Shows a state in which a sandbag filled with filling material and tied with a closed string is lifted. It is a figure which shows the state which provided the slit part which pulls out a hanging rope in a sandbag. It is a figure which shows the sandbag which concerns on other embodiment. It is a figure which shows the sandbag which the conventional hanging part is a belt. It is a figure which shows the sandbag which concerns on other embodiment. It is a figure which shows other embodiment of the opening part of a sandbag.

Explanation of symbols

10, 30, 40 Earthbag, 11,15 passage, 12 closing string, 13 suspension rope, 14 opening, 16 bag bottom, 18 production frame, 20 earthbag.

Claims (6)

A sandbag having an opening and a bag bottom,
The opening is provided with a first rope for closing the opening,
A second rope integrated with the bag material at the bottom of the bag is provided inside the sandbag, and only the second rope is used to suspend the sandbag filled with filling material. , Sandbags. The sandbag according to claim 1, wherein the second rope is a rope made of synthetic fiber or natural fiber and is endless or has rings at both ends. After filling the earthen bag with the filling material in a state where the second rope is temporarily taken out of the bag from the earthen bag described in any one of claims 1 and 2, the second rope is opened to the earthen bag. A method of making sandbags that project outside the bag and close the opening with a string. A sandbag having an opening and a bottom,
The opening is provided with a first rope for closing the opening,
The bottom is provided with a second rope for squeezing the bottom,
A sandbag using the second rope as a hanging rope for hanging the sandbag. The sandbag according to claim 4, wherein the second rope is endless or has rings at both ends. 6. The sandbag according to claim 4 or 5 is inverted, and the inside of the inverted sandbag is filled from the opening, the second rope is taken out from the opening, and the opening is closed with the first rope. This is how to make a sandbag.

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