JP6604698B2 - Rectangular parallelepiped flexible container back - Google Patents
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- JP6604698B2 JP6604698B2 JP2016011161A JP2016011161A JP6604698B2 JP 6604698 B2 JP6604698 B2 JP 6604698B2 JP 2016011161 A JP2016011161 A JP 2016011161A JP 2016011161 A JP2016011161 A JP 2016011161A JP 6604698 B2 JP6604698 B2 JP 6604698B2
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本発明は、灌漑や治水工事、自然災害の復旧工事等の土嚢として用いられて、特に、複数個積み重ねて使用するときに、積み重ね易い安定した形状を維持できる直方体フレコンバックに関する。 The present invention relates to a rectangular parallelepiped flexible container bag that can be used as a sandbag for irrigation, flood control work, restoration work for natural disasters, and the like, and can maintain a stable shape that is easy to stack, particularly when used in a stack.
灌漑や治水工事、台風や大雨にともなう自然災害の復旧工事等で、土嚢の積み上げ作業が行われるが、土嚢は、麻袋やポリエチレン製やポリプロピレン製等の袋状、網状等の耐久性に優れた直方体バッグに、土砂を詰め込み、紐等によりその袋の口を塞ぐようにしたものである。工事用の土嚢では、大きいものになるとその重さが１トン程度にもなり、土嚢の運搬には、クレーン車やバックホーが使用されて、複数の土嚢を並べて、積み重ねて使用することが多い。 Sandbags are piled up during irrigation and flood control work, restoration work for natural disasters caused by typhoons and heavy rains, etc., but sandbags have excellent durability such as hemp bags, polyethylene or polypropylene bags, nets, etc. A rectangular parallelepiped bag is filled with earth and sand, and the bag mouth is closed with a string or the like. When a sandbag for construction is large, the weight of the sandbag is about 1 ton, and a crane truck or a backhoe is used for transporting the sandbag, and a plurality of sandbags are often arranged and stacked.
また、直方体バッグにおいては、内部に土砂が詰め込まれる直方体形状の直方体バックと、その一端が直方体バックの底面の内側の中心に固定された第１の吊下体と、各一端が直方体バックの底面の４つの頂点の対角線上で中心から所定距離隔たった点にそれぞれ固定され、その各他端が第１の吊下体に固定された第２〜第５の吊下体とを備えるようにしたものもあった（例えば、特許文献１参照）。 Further, in the rectangular parallelepiped bag, a rectangular parallelepiped bag in which earth and sand are packed, a first suspended body whose one end is fixed to the center inside the bottom surface of the rectangular solid bag, and each one end of the bottom surface of the rectangular parallelepiped bag. Some of the four vertexes are fixed at points separated from the center by a predetermined distance on the diagonal, and the other ends thereof are provided with second to fifth suspended bodies fixed to the first suspended body. (For example, see Patent Document 1).
例えば、直方体バックの一端が直方体バックの底面の内側の中心に固定された第１の吊下体と、各一端が直方体バックの底面の４つの頂点の対角線上で中心から所定距離隔たった点にそれぞれ固定され、その各他端が第１の吊下体に固定された第２〜第５の吊下体とを備えるようにしたので、第１の吊下体を上方に突出させるためには、第１の吊下体を直立させながら、直方体バッグの内部に土砂が詰め込み、詰め込んだ後も、できるだけ安定した直方体形状を保ち、並べて積み重ねて使用できるようにする必要があった。 For example, a first suspended body in which one end of the rectangular parallelepiped bag is fixed to the center inside the bottom surface of the rectangular parallelepiped bag, and a point where each one end is separated from the center by a predetermined distance on the diagonal line of four vertices of the bottom surface of the rectangular parallelepiped bag. In order to project the first suspended body upward, the first suspended body is provided with the second to fifth suspended bodies fixed at the other ends thereof to the first suspended body. It was necessary to keep the cuboid bag filled with earth and sand while keeping the suspended body upright, and to maintain a stable rectangular parallelepiped shape as much as possible, and to be able to stack and use it.
本発明はかかる事情に鑑みてなされたもので、土砂の詰め込みが容易で、安定した形状を維持できる直方体フレコンバックを提供することを目的とする。 The present invention has been made in view of such circumstances, and an object of the present invention is to provide a rectangular parallelepiped flexible container bag which can be easily packed with earth and sand and can maintain a stable shape.
前記目的に沿う請求項１記載の直方体フレコンバックは、平面視して矩形の筒状の胴部と、前記胴部の下端を塞ぐ矩形の底部と、前記胴部の上端に縫着され、充填物を前記胴部に投入するため１つの対角線上にスリット状に設けられた投入口を有する矩形の蓋部と、前記底部の下面に、前記底部の各辺の中間部近傍を頂点として縫着された正方形の補強布枠と、前記補強布枠の四隅部にそれぞれの下端部が連結され、４本の吊ベルトとを備えた直方体フレコンバッグであって、前記補強布枠は、前記四隅部を残して前記底部の下面に縫着され、前記４本の吊ベルトの下端部は、前記補強布枠の対応する隅部に巻き掛け状態で連結されて、前記底部の外周部分のうち、前記補強布枠の対応する隅部の付近に縫着されるとともに、隔壁ベルトが、前記筒状の胴部の４面の内周面の高さ方向のそれぞれの中間部近傍にある前記４面の外周面の中間部にある前記４本の吊ベルトと前記胴部を介してそれぞれの４面に縫着されている。 The rectangular parallelepiped flexible container bag according to claim 1, which meets the object, is sewn and filled to a rectangular cylindrical body part in a plan view, a rectangular bottom part closing the lower end of the body part, and an upper end of the body part. To put an object into the body part, a rectangular lid part having a slot provided on one diagonal line, and a bottom surface of the bottom part, and sewing is performed with apexes in the vicinity of the middle part of each side of the bottom part The rectangular reinforcing cloth frame and a rectangular parallelepiped flexible container bag each having a lower end connected to the four corners of the reinforcing cloth frame and four suspension belts, wherein the reinforcing cloth frame has the four corners. The bottom ends of the four suspension belts are connected to the corresponding corners of the reinforcing cloth frame in a state of being wrapped around, and the outer peripheral portion of the bottom is While being sewn near the corresponding corner of the reinforcing fabric frame, the partition belt is The four suspension belts in the middle of the outer peripheral surface of the four surfaces in the vicinity of the intermediate portions in the height direction of the inner circumferential surface of the four surfaces of the cylindrical barrel portion, and the trunk portion, respectively. Are sewn on four sides.
請求項２記載の直方体フレコンバックは、前記スリット状に設けられた蓋部には、ファスナが縫着されてスライダで開閉される。 In the rectangular parallelepiped flexible container bag according to claim 2, a fastener is sewn on the lid portion provided in the slit shape and is opened and closed by a slider.
請求項３記載の直方体フレコンバックは、請求項１又は２記載の直方体フレコンバックにおいて、前記４本の吊ベルトの中間部を重ねて蓋部の四辺の中間部にそれぞれ吊フックが形成され、前記吊フックを結束ロープがそれぞれ環状に連通して結束されている。 The rectangular parallelepiped flexible container bag according to claim 3 is the rectangular parallelepiped flexible container bag according to claim 1 or 2, wherein the intermediate portions of the four suspension belts are overlapped, and hanging hooks are respectively formed at intermediate portions of the four sides of the lid portion, Bundling ropes are connected to each other in a ring shape with the hanging hooks.
請求項１記載の直方体フレコンバックにおいては、矩形の４面の胴部に隔壁ベルトが、４面の胴部の内周面の高さ方向の中間位置であって、４面の外周面の中間部にある４本の吊ベルトと胴部を介してそれぞれの４面に縫着されていることにより、内容物を充填しても胴部のふくらみが抑えられ安定した形状を維持できる。 The rectangular parallelepiped flexible container bag according to claim 1, wherein the partition belt is disposed on the four rectangular body portions at an intermediate position in the height direction of the inner peripheral surface of the four cylindrical portions, and is intermediate between the four outer peripheral surfaces. By being sewn on each of the four surfaces via the four suspension belts and the body portion, the bulge of the body portion can be suppressed and a stable shape can be maintained even when the contents are filled.
特に、請求項２記載の直方体フレコンバックにおいては、前記スリット状に設けられた蓋部には、ファスナが縫着されてスライダで開閉されるので、土砂が詰め込み用の投入口用の導入部材が不要となり、蓋部から土砂の詰め込みが容易にできるようになる。さらに、蓋部の上部へのでっぱりが抑えられ、上方の並べて積み重ねができるようになる。 In particular, in the rectangular parallelepiped flexible container bag according to claim 2, since a fastener is sewn on the lid portion provided in the slit shape and is opened and closed by a slider, an introduction member for an inlet for filling earth and sand is provided. It becomes unnecessary, and it becomes possible to easily pack earth and sand from the lid. Furthermore, the upper part of the lid is prevented from being stretched, and the upper part can be stacked side by side.
特に、請求項３記載の直方体フレコンバックにおいては、前記４本の吊ベルトの中間部を重ねて蓋部の四辺の中間部にそれぞれ吊フックが形成され、前記吊フックを結束ロープがそれぞれ環状に連通して結束されているので、蓋部のファスナに係る開口する方向に係る力を、吊フックと結束ロープに分散して蓋部のファスナを保護することができる。 In particular, in the rectangular parallelepiped flexible container bag according to claim 3, the intermediate portions of the four suspension belts are overlapped so that suspension hooks are formed in the intermediate portions of the four sides of the lid portion, and the binding ropes are respectively formed in a ring shape. Since they are connected and bound, the force in the opening direction of the lid fastener can be distributed to the hanging hook and the binding rope to protect the fastener of the lid.
続いて、添付した図面を参照しつつ、本発明を具体化した実施の形態につき説明し、本発明の理解に供する。
ここで、図１は本発明の一実施の形態に係る直方体フレコンバックを示す説明図、図２は同直方体フレコンバッグの蓋部の説明部、図３は同直方体フレコンバッグの底部の説明図、図４は同直方体フレコンバッグの材質及び規格・寸法の表である。
Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
Here, FIG. 1 is an explanatory view showing a rectangular parallelepiped flexible container bag according to an embodiment of the present invention, FIG. 2 is an explanatory view of a lid portion of the rectangular parallelepiped flexible container bag, FIG. 3 is an explanatory view of a bottom portion of the rectangular parallelepiped flexible container bag, FIG. 4 is a table of materials, standards and dimensions of the rectangular parallelepiped flexible container bag.
図１、図２、図３において、本発明の実施例に係る直方体フレコンバッグ２０の構成を説明する。この直方体フレコンバッグ２０は、断面が矩形の胴部１と、胴部１の下端に設けられこれを塞ぐ矩形の底部５とを有したバッグ本体２１（附番せず）と、胴部１の上端に設けられ、土砂（充填物）を胴部１に投入するために対角線に沿って開口しているファスナ７によるスリットを有する矩形の蓋部２と、矩形の底部５の下面に、各辺の中点部近傍の中間部（４つの中間部）に底フック（附番せず）が連結されている。 The configuration of a rectangular parallelepiped flexible container bag 20 according to an embodiment of the present invention will be described with reference to FIGS. The rectangular parallelepiped flexible container bag 20 includes a bag body 21 (not numbered) having a body 1 having a rectangular cross section, and a rectangular bottom 5 provided at the lower end of the body 1 to close the body 1. A rectangular lid portion 2 having slits by fasteners 7 provided at the upper end and opening along a diagonal line for introducing earth and sand (filler) into the trunk portion 1, and a lower surface of the rectangular bottom portion 5 on each side A bottom hook (not numbered) is connected to an intermediate portion (four intermediate portions) in the vicinity of the midpoint portion.
そして、胴部１の内周面の４面の側面の中心部近傍には、それぞれに隔壁ベルト１０の一部が縫着されており、隔壁ベルト１０は、隣り合う各側面を引き合うように繋いでいる。その結果、胴部１の膨らみを抑制している。また、胴部１の外周面の４面の側面の上端部には、胴部１の上端部と本体補強布１１を介して４本の吊ベルト３が縫着され設けられている。 A part of the partition belt 10 is sewn in the vicinity of the center of the four side surfaces of the inner peripheral surface of the body portion 1, and the partition belt 10 is connected so as to attract adjacent side surfaces. It is out. As a result, the swelling of the trunk portion 1 is suppressed. Further, four suspension belts 3 are sewn and provided at the upper end portions of the four side surfaces of the outer peripheral surface of the trunk portion 1 via the upper end portion of the trunk portion 1 and the main body reinforcing cloth 11.
次に、蓋部２は、対角線に沿って開口しているファスナ７によるスリットには、スライダ８によって開閉自在で、土砂（充填物）を迅速に充填できる。なお、スライダ８によるファスナ７ｂの開口部（スリット、スリット状）を開閉を容易に迅速に行うために設けられている。
また、蓋部２の各辺の中点部近傍の中間部（４つの中間部）に吊フック４が形成され連結されている。
Next, the lid portion 2 can be opened and closed by a slider 8 in a slit formed by a fastener 7 opened along a diagonal line, and can be quickly filled with earth and sand (filler). The opening (slit, slit shape) of the fastener 7b by the slider 8 is provided to easily open and close.
A suspension hook 4 is formed and connected to an intermediate portion (four intermediate portions) in the vicinity of the midpoint portion of each side of the lid portion 2.
ここでいう底部５の下面に、底部５の各辺の中間部近傍を頂点として縫着された正方形の補強布枠６（底ベルト）が設けられている。つまり、底部５の下面の各辺の中間部近傍を結んで、正方形の補強布枠６の四隅を配置し、この状態で底部５の下面に補強布枠６を（四隅部を残して）縫着している。 A square reinforcing cloth frame 6 (bottom belt) is provided on the lower surface of the bottom portion 5, which is sewn with the vicinity of the middle portion of each side of the bottom portion 5 as a vertex. In other words, the four corners of the square reinforcing cloth frame 6 are arranged by connecting the vicinity of the middle part of each side of the bottom surface of the bottom part 5, and in this state, the reinforcing cloth frame 6 is sewn on the bottom surface of the bottom part 5 (leaving the four corner parts). I wear it.
補強布枠６は、各種の化学繊維などからなる織布を、所定幅の正方枠状（正方形の枠状）に裁断したものである。補強布枠６の各辺部のうち、両端部を除く部分（長さ方向の中間部分）のみが、底部５の下面に縫着されることを意味する。すなわち、補強布枠６の四隅部は底部５に縫着されておらず、これらの部分は湾曲自在な４本の短尺な吊り紐部を構成している。さらに、補強布枠６の吊り紐部をそれぞれ連結して、４本の吊フック４を設けられている。なお、ここでの、直方体フレコンバッグ２０は、底面が１０００ｍｍ×１０００ｍｍで、高さが５００ｍｍである。 The reinforcing cloth frame 6 is obtained by cutting a woven cloth made of various chemical fibers into a square frame shape (square frame shape) having a predetermined width. It means that only the portion (intermediate portion in the length direction) excluding both ends of each side portion of the reinforcing cloth frame 6 is sewn to the lower surface of the bottom portion 5. That is, the four corner portions of the reinforcing cloth frame 6 are not sewn to the bottom portion 5, and these portions constitute four short hanging strap portions that can be bent. Further, four suspension hooks 4 are provided by connecting the suspension string portions of the reinforcing cloth frame 6 respectively. Here, the rectangular parallelepiped flexible container bag 20 has a bottom surface of 1000 mm × 1000 mm and a height of 500 mm.
次に、本発明の実施例に係る直方体フレコンバッグ２０の各部の材質や規格・寸法について、説明する。バッグ本体２１は、材質はＰＰ（ポリプロピレン）で、１５００ Ｄ１５×１５であり、通常のラミネート加工を施さないことにより、表面の光沢が抑えられるラミ無しの黒色を使用している。胴部１、底部５は、バッグ本体２１の一部なので、同じである。蓋部（充填口）２は、ＰＥ（ポリエチレン）で、１０００ Ｄ１０×１０であり、両面がラミネート加工を施している黒色を使用している。吊ベルト３は、材質はＰＰ（ポリプロピレン）で、１００ｍｍ巾の黒色で１００ｍｍの長さである。吊フック４は、材質はＰＰ（ポリプロピレン）で、７０ｍｍ巾の黒色で１００ｍｍの長さである。補強布枠（底ベルト）６は、１００ｍｍ巾の黒色で２８００ｍｍの長さである。結束ベルト９は、太さは６φで金剛打ちの白色である。隔壁ベルト１０は、材質はＰＰ（ポリプロピレン）で、７０ｍｍ巾の黒色で１００ｍｍの長さである。本体補強布１１は、１５００ Ｄ１５×１５であり、ラミネート加工を施している黒色であり、２００ｍｍ×３００ｍｍの大きさである。 Next, materials, standards and dimensions of each part of the rectangular parallelepiped flexible container bag 20 according to the embodiment of the present invention will be described. The bag body 21 is made of PP (polypropylene), and is 1500 D15 × 15. The bag body 21 is made of black with no lamination so that the gloss of the surface can be suppressed by not performing a normal laminating process. Since the trunk | drum 1 and the bottom part 5 are a part of the bag main body 21, they are the same. The lid part (filling port) 2 is made of PE (polyethylene) and has a size of 1000 D10 × 10, and uses black that is laminated on both sides. The suspension belt 3 is made of PP (polypropylene), and is 100 mm wide black and 100 mm long. The hanging hook 4 is made of PP (polypropylene) and is black with a width of 70 mm and a length of 100 mm. The reinforcing cloth frame (bottom belt) 6 is 100 mm wide black and 2800 mm long. The tying belt 9 has a thickness of 6φ and is white that is hammered. The partition belt 10 is made of PP (polypropylene) and is black with a width of 70 mm and a length of 100 mm. The main body reinforcing cloth 11 is 1500 D15 × 15, is black which is laminated, and has a size of 200 mm × 300 mm.
以下、直方体フレコンバッグ２０の詳細を具体的に説明する。
図１、図２、図３に示すように、胴部１は、１５００ｄｅのポリプロピレン繊維からなる織布を所定形状に裁断し、かつ適宜縫製することで作製された一辺が１ｍの正方形で、高さ０．５ｍの矩形の筒である。また、底部５は、胴部１と同一素材からなる一辺が１ｍの正方形の布である。さらに、蓋部２は、胴部１、底部５と同一素材からなり、一辺が１ｍの正方形の布である。蓋部２には、吊フック４が設けられているので、吊フック４を介して、周方向に縛って直方体フレコンバッグ２０を封止する結束ロープ１９を設けてもよい。
吊ベルト３は、補強布枠（底ベルト）６が通る巾を残して底部５の下面に縫着されている。すなわち、補強布枠６の四隅部は底部５に縫着されておらず、補強布枠６の各辺部の中間部分のみが底部５の下面に縫着されている。また、補強布枠６の四隅部は、幅方向に２つ折りされている。これにより、補強布枠６の各隅部は、湾曲自在な４本の短尺な吊り紐部を構成している。また、補強布枠６の対向する辺部間の最短距離（補強布枠６の対向する２つの辺部の中間点を結んだ長さ）は、底部５の一辺の半分（５０％）の長さとしている。
Hereinafter, the details of the rectangular parallelepiped flexible container bag 20 will be described in detail.
As shown in FIGS. 1, 2, and 3, the body portion 1 is a square with a side of 1 m, which is produced by cutting a woven fabric made of 1500 de polypropylene fiber into a predetermined shape and sewing appropriately. It is a rectangular cylinder with a length of 0.5 m. The bottom portion 5 is a square cloth having a side of 1 m and made of the same material as the body portion 1. Further, the lid 2 is a square cloth made of the same material as the body 1 and the bottom 5 and having a side of 1 m. Since the lid portion 2 is provided with the hanging hook 4, a binding rope 19 that is tied in the circumferential direction and seals the rectangular parallelepiped flexible container bag 20 may be provided via the hanging hook 4.
The suspension belt 3 is sewn to the lower surface of the bottom portion 5 leaving a width through which the reinforcing cloth frame (bottom belt) 6 passes. That is, the four corners of the reinforcing cloth frame 6 are not sewn to the bottom part 5, and only the middle part of each side part of the reinforcing cloth frame 6 is sewn to the lower surface of the bottom part 5. The four corners of the reinforcing cloth frame 6 are folded in two in the width direction. Thereby, each corner of the reinforcing cloth frame 6 constitutes four short hanging straps that can be bent. Further, the shortest distance between the opposing sides of the reinforcing fabric frame 6 (the length connecting the midpoints of the two opposing sides of the reinforcing fabric frame 6) is half the length of one side (50%) of the bottom 5. I am trying.
４本の吊ベルト３は、長さ１０００ｍｍ、幅１００ｍｍのポリプロピレン短繊維からなる厚布の帯材である。４本の吊ベルト３の下端部は、補強布枠６の対応する隅部に隙間なく巻き掛けられ、この状態を保持するように、底部５の外周部分のうち、補強布枠６の対応する隅部付近に縫着される。
また、４本の吊ベルト３の上端部は胴部１の上端から上方へ突出し、これらの突出部分は、それぞれ折り返して各端部を胴部１の上端部に、補強布片２１を介して縫着されている。これにより、バッグ本体２１の上端には、その矩形の四辺の中間部から４つ吊り輪部１２が設けられる。そして、その長さは５００ｍｍである。
さらに、４本の吊ベルト３の上端部からの更なる突出し部分である吊フック４も、蓋部２の４辺へ同様に４つ形成され設けられている。その長さは７０ｍｍである。
また、胴部１の内部空間には、隔壁ベルト１０が設けられている。隔壁ベルト１０は、胴部１の４面の内周面のそれぞれの中心部近傍（面の対角線の中心点近傍）に、隣り合う互いの内周面を引張り合い、平面視して二等辺三角形の底辺となるようにそれぞれ逢着されている。
The four suspension belts 3 are thick cloth strips made of polypropylene short fibers having a length of 1000 mm and a width of 100 mm. The lower ends of the four suspension belts 3 are wound around the corresponding corners of the reinforcing cloth frame 6 without a gap, and the corresponding portions of the reinforcing cloth frame 6 in the outer peripheral portion of the bottom 5 correspond so as to maintain this state. It is sewn near the corner.
Further, the upper end portions of the four suspension belts 3 protrude upward from the upper end of the trunk portion 1, and these projecting portions are folded back to the upper end portion of the trunk portion 1 via the reinforcing cloth piece 21. Sewn. As a result, four suspension ring portions 12 are provided on the upper end of the bag body 21 from the middle portion of the four sides of the rectangle. And the length is 500 mm.
Further, four hanging hooks 4, which are further protruding portions from the upper end portions of the four suspension belts 3, are similarly formed and provided on the four sides of the lid portion 2. Its length is 70 mm.
A partition belt 10 is provided in the internal space of the body portion 1. The partition belt 10 is an isosceles triangle in a plan view by pulling adjacent inner peripheral surfaces near the central portions (near the center point of the diagonal of the surface) of the four inner peripheral surfaces of the body portion 1. Are attached to the bottom of each.
図４は、同直方体フレコンバッグの変形例を示す隔壁ベルトの説明図であり、隔壁ベルト１０が取り付けられた状態を平面視して、八角形になっている。胴部１の外周面に４本の吊りベルト１３があり、胴部の内周面に、吊ベルト３の幅に合わせて、隔壁ベルト１０が胴部１に面で接するようにして、隔壁ベルト１０は、その接する面で、吊ベルト３と胴部１を介して縫着されている。このように、吊ベルト３の幅に合わせて隔壁ベルト１０を面で縫着することにより、土砂の詰め込みがあっても胴部１の正方形の形状を保持する力が上がってくる。あまり強度を必要としない場合には、本発明の実施例にように、隔壁ベルト１０の幅で胴部１といわゆる線状で接するようにして、隔壁ベルト１０は、その線状で、吊ベルト３と胴部１を介して縫着してもよい。 FIG. 4 is an explanatory view of a partition belt showing a modification of the rectangular parallelepiped flexible container bag, and is in an octagonal shape in plan view when the partition belt 10 is attached. There are four suspension belts 13 on the outer peripheral surface of the body portion 1, and the partition belt 10 is in contact with the body portion 1 on the surface in accordance with the width of the suspension belt 3 on the inner peripheral surface of the body portion. Reference numeral 10 denotes a surface to be contacted, and is sewn via the suspension belt 3 and the body portion 1. Thus, by sewn the partition belt 10 on the surface according to the width of the suspension belt 3, the force for retaining the square shape of the body portion 1 is increased even when there is stuffing of earth and sand. When the strength is not required so much, as in the embodiment of the present invention, the partition belt 10 is in the form of a linear belt with the width of the partition belt 10 being in contact with the body portion 1 in a so-called linear shape. 3 and the body 1 may be sewn.
次に、図１〜図３を参照して、この発明の実施例に係るフレコンバッグ１０の使用方法を説明する。
図１に示すように、現場において、ユンボを用いて土砂（充填物）を、直方体フレコンバッグ２０の中に、ファスナ７によるスリットを開いた状態で順次投入し、これに土砂を充填する。土砂の充填完了後、作業者がスライダ８を移動して、ファスナ７を閉じて、さらに結束紐１９を用いて蓋部２を縛る。その後、作業者はユンボのバケットに、例えば、４本の吊りベルト１３のそれぞれに一本のまとめロープ（図示せず １８φ三つ編み等）を通して結束して、これに引っ掛け、操縦者の操縦により、ユンボのアームを所定方向に回動して直方体フレコンバッグ２０を吊り上げ、これをトラックの荷台に積み込む。
Next, with reference to FIGS. 1-3, the usage method of the flexible container bag 10 which concerns on the Example of this invention is demonstrated.
As shown in FIG. 1, on the spot, earth and sand (filler) are sequentially put into a rectangular parallelepiped flexible container bag 20 with a slit by a fastener 7 opened using a yumbo, and this is filled with earth and sand. After completion of the earth and sand filling, the operator moves the slider 8, closes the fastener 7, and further binds the lid 2 using the binding string 19. After that, the operator binds to the Yumbo bucket by, for example, tying each of the four suspension belts 13 with a single rope (not shown, 18φ braid, etc.) and hooking it on the bucket. Then, the arm of the yumbo is rotated in a predetermined direction, the rectangular parallelepiped flexible container bag 20 is lifted, and this is loaded on the truck bed.
その際、正方形の補強布枠６は、バッグ本体２１の底部５の下面に、補強布枠６の四隅部を残して縫着されている。また、補強布枠６の四隅部には、対応する吊ベルト３の下端部がそれぞれ巻き掛けられ、その後、各吊ベルト３は、底部５の外周部分のうち、補強布枠６の対応する隅部の付近にそれぞれ縫着されている。したがって、各吊ベルト３の下端部と補強布枠６の対応する隅部との連結は、従来の縫着による固定ではなく、補強布枠６の未縫着状態となった隅部の可動範囲の分だけ、自由度を有した連結となる。 At that time, the square reinforcing cloth frame 6 is sewn to the lower surface of the bottom portion 5 of the bag body 21 while leaving the four corners of the reinforcing cloth frame 6. Further, the lower end portions of the corresponding suspension belts 3 are respectively wound around the four corner portions of the reinforcing cloth frame 6, and then each of the suspension belts 3 is connected to the corresponding corner of the reinforcing cloth frame 6 in the outer peripheral portion of the bottom portion 5. It is sewn near each part. Therefore, the connection between the lower end of each suspension belt 3 and the corresponding corner of the reinforcing cloth frame 6 is not fixed by conventional sewing, but the movable range of the corner where the reinforcing cloth frame 6 is not sewn. Therefore, the connection has a degree of freedom.
そのため、土砂が充填されたバッグ本体２１を吊上げた際、４本の吊ベルト３は、補強布枠６の未縫着状態となった四隅部の可動範囲内で、バッグ本体２１の吊り位置の直下に、可能な限り土砂が充填されたバッグ本体２１の重心が配置されるように、それぞれの吊ベルト３の高さ位置を自動補正する。これにより、４本の吊ベルト３には略均一な荷重が作用し、バッグ本体２１に充填された土砂の偏荷重を原因とする吊ベルト３およびこの吊ベルト３とバッグ本体２１との縫着部の破断を防止することができる。 Therefore, when the bag body 21 filled with earth and sand is lifted, the four suspension belts 3 are located within the movable range of the four corners where the reinforcing cloth frame 6 is not sewn, at the position where the bag body 21 is suspended. The height position of each suspension belt 3 is automatically corrected so that the center of gravity of the bag body 21 filled with earth and sand as much as possible is arranged immediately below. Thereby, a substantially uniform load acts on the four suspension belts 3, and the suspension belt 3 caused by the uneven load of the earth and sand filled in the bag body 21 and the sewing between the suspension belt 3 and the bag body 21 are performed. The breakage of the part can be prevented.
また、補強布枠６の四隅部をその幅方向に折り曲げ、この折り曲げ状態を保持するように、４本の吊ベルト３の下端部を補強布枠６の対応する隅部にそれぞれ巻き掛けるようにしたため、補強布枠６の四隅部の強度が高まり、充填物の偏荷重を原因とした吊ベルト３およびこの吊ベルト３とバッグ本体２１との縫着部の破断防止効果をさらに高めることができる。
さらに、胴部１は、隔壁ベルト１０が胴部の隣り合う４面間の中間部を最短距離で結ぶため、隔壁ベルト１０が、充填された土砂が胴部を膨らませようとする力を支えるようになる。その結果、直方体フレコンバッグ２０が、平面視して正方形形状を保つことにより、安定した直方体形状を保ち、並べて積み重ねて使用できることができる。
Further, the four corners of the reinforcing cloth frame 6 are bent in the width direction, and the lower ends of the four suspension belts 3 are respectively wound around the corresponding corners of the reinforcing cloth frame 6 so as to maintain this bent state. Therefore, the strength of the four corners of the reinforcing cloth frame 6 is increased, and the effect of preventing breakage of the suspension belt 3 and the sewn portion between the suspension belt 3 and the bag body 21 due to the uneven load of the filler can be further enhanced. .
Furthermore, since the partition belt 10 connects the intermediate portions between the four adjacent surfaces of the body portion at the shortest distance, the partition belt 10 supports the force of the filled earth and sand to inflate the body portion. become. As a result, the rectangular parallelepiped flexible container bag 20 can maintain a stable rectangular parallelepiped shape by keeping a square shape in plan view, and can be used by being stacked side by side.
この発明は、土木工事等の土嚢として用いられて、特に、複数個積み重ねて使用するときに、積み重ね易い安定した形状を維持できる直方体フレコンバックとして有用である。 INDUSTRIAL APPLICABILITY The present invention is useful as a rectangular parallelepiped flexible container bag that can be used as a sandbag for civil engineering work and the like, and can maintain a stable shape that is easy to stack, especially when a plurality of stacks are used.
１：胴部、２：蓋部（充填口）、３：吊ベルト、４：吊フック、５：底部、６：補強布枠（底ベルト）、７：ファスナ、８：スライダ、９：結束ベルト、１０：隔壁ベルト、１１：本体補強布、１２：吊り輪部、２０：直方体フレコンバッグ、２１：バッグ本体、 1: trunk portion, 2: lid portion (filling port), 3: suspension belt, 4: suspension hook, 5: bottom portion, 6: reinforcing cloth frame (bottom belt), 7: fastener, 8: slider, 9: binding belt 10: Bulkhead belt, 11: Reinforcement cloth for main body, 12: Suspension ring part, 20: Cuboid flexible container bag, 21: Bag body,
Claims (3)
前記補強布枠の四隅部にそれぞれの下端部が連結され、４本の吊ベルトとを備えた直方体フレコンバッグであって、
前記補強布枠は、前記四隅部を残して前記底部の下面に縫着され、
前記４本の吊ベルトの下端部は、前記補強布枠の対応する隅部に巻き掛け状態で連結されて、前記底部の外周部分のうち、前記補強布枠の対応する隅部の付近に縫着されるとともに、
隔壁ベルトが、前記筒状の胴部の４面の内周面の高さ方向のそれぞれの中間部近傍にある前記４面の外周面の中間部にある前記４本の吊ベルトと前記胴部を介してそれぞれの４面に縫着されていることを特徴とする直方体フレコンバッグ。 In a plan view, a rectangular cylindrical body, a rectangular bottom that closes the lower end of the body, and an upper end of the body are sewn to one diagonal line so as to put a filling into the body. A rectangular lid having a slot provided in a slit shape, and a square reinforcing cloth frame sewn on the lower surface of the bottom with the vicinity of the middle of each side of the bottom as a vertex,
Each lower end part is connected to the four corners of the reinforcing cloth frame, and is a rectangular parallelepiped flexible container bag provided with four hanging belts,
The reinforcing cloth frame is sewn to the lower surface of the bottom part leaving the four corners,
The lower ends of the four suspension belts are connected to the corresponding corners of the reinforcing cloth frame in a wound state, and are sewn near the corresponding corners of the reinforcing cloth frame in the outer peripheral portion of the bottom. As it is worn,
The four suspension belts and the body portion in the intermediate portion of the outer peripheral surface of the four surfaces in the vicinity of the intermediate portions in the height direction of the inner peripheral surface of the four surfaces of the cylindrical body portion of the partition belt A rectangular parallelepiped flexible container bag characterized by being sewn on each of the four sides through the bag.
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