JP4861218B2 - Sandbag - Google Patents

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JP4861218B2
JP4861218B2 JP2007059297A JP2007059297A JP4861218B2 JP 4861218 B2 JP4861218 B2 JP 4861218B2 JP 2007059297 A JP2007059297 A JP 2007059297A JP 2007059297 A JP2007059297 A JP 2007059297A JP 4861218 B2 JP4861218 B2 JP 4861218B2
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extension
bag body
suspension band
turn
bag
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JP2008223248A (en
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原 幸 治 梶
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ナカダ産業株式会社
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Description

本発明は、土嚢袋に係り、特に、強度を向上させることができる土嚢袋に関する。     The present invention relates to a sandbag, and more particularly, to a sandbag that can improve strength.

従来、例えば、盛土等に適用可能な有底円筒形状の透水性の袋体を有する大型の土嚢袋がある（例えば、特許文献１参照）。
この土嚢袋にあっては、全体として、強度を保つように、袋体の側面に複数の環状補強帯と、該複数の環状補強帯を直交する複数の吊り帯とを備えている。
特許第３７０２８７１号公報 Conventionally, for example, there is a large sandbag having a bottomed cylindrical water-permeable bag body applicable to embankment or the like (see, for example, Patent Document 1).
In the sandbag, as a whole, a plurality of annular reinforcing bands and a plurality of suspension bands orthogonal to the plurality of annular reinforcing bands are provided on the side surface of the bag body so as to maintain strength.
Japanese Patent No. 3702871

しかしながら、上述した土嚢袋にあっては、袋体の底面において、該底面の中心を介して吊り帯の端部同士が離間しているため（特許文献１の図２参照）、強度的に弱く、強度的に強くするよう袋体の素材自体を強くしなければならないという問題点が生じた。     However, in the sandbag described above, the ends of the suspension bands are separated from each other through the center of the bottom surface of the bag body (see FIG. 2 of Patent Document 1), so that the strength is weak. The problem was that the material of the bag itself had to be strengthened to make it stronger.

本発明は、上記の問題点を除去するようにした土嚢袋を提供することを目的とする。     An object of the present invention is to provide a sandbag bag in which the above problems are eliminated.

本発明の土嚢袋は、上部開口部より土を入れて収納する有底円筒形状の透水性の袋体と、この袋体の側面に取り付けられると共に、前記袋体の底面に略平行な複数の環状側面帯体と、前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１の吊り帯体と、この第１の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１の延部であり、前記第１の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２の延部であり、前記第１の延部及び前記第２の延部は前記袋体の側面及び底面に取り付けられ、前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１’の吊り帯体と、この第１’の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１’の延部であり、前記第１’の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２’の延部であり、前記第１’の延部及び前記第２’の延部は前記袋体の側面及び底面に取り付けられ、前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１”の吊り帯体と、この第１”の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１”の延部であり、前記第1”の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２”の延部であり、前記第１”の延部及び前記第２”の延部は前記袋体の側面及び底面に取り付けられ、底面視、時計回りに、前記第１の延部、前記第２の延部、前記第１’の延部、前記第２’の延部、前記第１”の延部、前記第２”の延部の順に配置され、前記袋体の底面において、前記第１の延部と前記第２’の延部とは、前記袋体の底面の中心を通り、前記第１の延部の上に前記第２’の延部が又は前記第２’の延部の上に前記第１の延部が重なると共に、該重なった前記第１の延部と前記第２’の延部とは接続され、前記袋体の底面において、前記第２の延部と前記第１”の延部とは、前記袋体の底面の中心を通り、前記第２の延部の上に前記第１”の延部が又は前記第１”の延部の上に前記第２の延部が重なると共に、該重なった前記第１の延部と前記第２’の延部とは接続され、前記袋体の底面において、前記第１’の延部と第２”の延部とは、前記袋体の底面の中心を通り、前記第１’の延部の上に前記第２”の延部が又は前記第２”の延部の上に前記第１’の延部が重なると共に、該重なった前記第１’の延部と前記第２”の延部とは接続され、前記袋体の上部開口部より突出して設けられた前記第１の吊り帯体のＵターン部の折り返し部を含んで前記第1の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１の重ね部と、この第１の重ね部の前記第1の吊り帯体のＵターン部の折り返し部を残して前記第１の吊り帯体のＵターン部の中途部同士が接合された第２の重ね部と、前記袋体の上部開口部より突出して設けられた前記第１’の吊り帯体のＵターン部の折り返し部を含んで前記第１’の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１’の重ね部と、この第１’の重ね部の前記第１’の吊り帯体のＵターン部の折り返し部を残して前記第１’の吊り帯体のＵターン部の中途部同士が接合された第２’の重ね部と、前記袋体の上部開口部より突出して設けられた前記第１”の吊り帯体のＵターン部の折り返し部を含んで前記第１”の吊り帯体の長手方向に沿って折られると共に前記第１”の吊り帯体を重ねて接合された第１”の重ね部と、この第１”の重ね部の前記第１”の吊り帯体のＵターン部の折り返し部を残して前記第１”の吊り帯体のＵターン部の中途部同士が接合された第２”の重ね部とを備えているものである。 The sandbag bag of the present invention has a bottomed cylindrical water-permeable bag body that stores and stores soil from the upper opening, and a plurality of bags that are attached to the side surface of the bag body and substantially parallel to the bottom surface of the bag body. An annular side band, a first suspension band attached to the bag body and spaced from the bag body, and having a U-turn portion provided protruding from the upper opening of the bag body, and the first suspension band body A portion extending from one of the U-turn portions to the bottom surface of the bag body is a first extension portion, and a portion extending from the other U-turn portion of the first suspension band to the bottom surface of the bag body Is the second extension, and the first extension and the second extension are attached to the side and bottom of the bag body, are attached to the bag body apart from each other, and the upper opening of the bag body A first ′ suspension band having a U-turn portion provided protruding from the portion, and the first ′ suspension band body A portion extending from one of the turn portions to the bottom surface of the bag body is a first 'extending portion, and a portion extending from the other of the U-turn portions of the first' hanging strap body to the bottom surface of the bag body is A second ′ extending portion, wherein the first ′ extending portion and the second ′ extending portion are attached to a side surface and a bottom surface of the bag body, and are attached to the bag body apart from each other. A first "suspension band having a U-turn portion provided protruding from the upper opening, and a portion extending from one of the U-turn portions of the first" suspension band to the bottom surface of the bag body A portion extending from the other of the U-turn portions of the first ″ suspension band to the bottom surface of the bag body is a second ″ extension portion, and the first ″ extension portion. And the second "extension are attached to the side and bottom of the bag body, viewed from the bottom, clockwise, the first extension, the second extension, the front The first extension, the second 'extension, the first "extension, and the second" extension are arranged in this order, and on the bottom surface of the bag body, the first extension The second 'extending portion passes through the center of the bottom surface of the bag body, and the second' extending portion is formed on the first extending portion or the second 'extending portion on the second extending portion. The first extending portion overlaps the first extending portion and the second ′ extending portion, and the second extending portion and the first ″ extension are formed on the bottom surface of the bag body. The portion passes through the center of the bottom surface of the bag body, and the first extension portion overlaps the second extension portion or the second extension portion overlaps the first extension portion. In addition, the overlapped first extension portion and the second 'extension portion are connected, and on the bottom surface of the bag body, the first' extension portion and the second "extension portion are the bag. Pass through the center of the bottom of the body and above the first 'extension 'Together with the extending portion of the overlap, the became heavy first' first onto the distal portion of the "distal portion is or the second" 2 the distal portion of the the distal portion of the second "is connected The first suspension band is folded along the longitudinal direction of the first suspension band including the folded portion of the U-turn part of the first suspension band provided so as to protrude from the upper opening of the bag body. The first suspending band U and the first lap band of the first suspending band, leaving the folded portion of the U-turn portion of the first suspending band of the first overlapping section. Including a second overlapping portion in which the middle portions of the turn portion are joined to each other, and a folded portion of the U-turn portion of the first ′ suspension band provided so as to protrude from the upper opening of the bag body. A first 1 'overlap portion that is folded along the longitudinal direction of the 1' suspension strip and is joined by overlapping the first suspension strip; A second 'overlap portion in which the middle portions of the U-turn portion of the first' suspension band are joined to each other, leaving a folded portion of the U-turn portion of the first 'suspension band of the portion, and the bag Folding along the longitudinal direction of the first "suspension band, including the folded portion of the U-turn part of the first" suspension band provided protruding from the upper opening of the body, the first " The first "suspending portion is overlapped and joined, and the first" suspending portion of the first "suspending strip body is left folded at the U-turn portion of the first" suspending portion. And a second "overlapping portion in which midway portions of the U-turn portion of the band are joined together .

また、請求項２記載の土嚢袋は、上部開口部より土を入れて収納する有底円筒形状の透水性の袋体と、この袋体の側面に取り付けられると共に、前記袋体の底面に略平行な複数の環状側面帯体と、前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１の吊り帯体と、この第１の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１の延部であり、前記第１の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２の延部であり、前記第１の延部及び前記第２の延部は前記袋体の側面及び底面に取り付けられ、前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１’の吊り帯体と、この第１’の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１’の延部であり、前記第１’の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２’の延部であり、前記第１’の延部及び前記第２’の延部は前記袋体の側面及び底面に取り付けられ、底面視、時計回りに、前記第１の延部、前記第２の延部、前記第１’の延部、前記第２’の延部の順に配置され、前記袋体の底面において、前記第１の延部と前記第１’の延部とは、前記袋体の底面の中心を通り、前記第１の延部の上に前記第１’の延部が又は前記第１’の延部の上に前記第１の延部が重なると共に、該重なった前記第１の延部と前記第１’の延部とは接続され、前記袋体の底面において、前記第２の延部と前記第２’の延部とは、前記袋体の底面の中心を通り、前記第２の延部の上に前記第２’の延部が又は前記第２’の延部の上に前記第２の延部が重なると共に、該重なった前記第２の延部と前記第２’の延部とは接続され、前記袋体の上部開口部より突出して設けられた前記第１の吊り帯体のＵターン部の折り返し部を含んで前記第１の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１の重ね部と、この第１の重ね部の前記第１の吊り帯体のＵターン部の折り返し部を残して前記第1の吊り帯体のＵターン部の中途部同士が接合された第２の重ね部と、前記袋体の上部開口部より突出して設けられた前記第１’の吊り帯体のＵターン部の折り返し部を含んで前記第１’の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１’の重ね部と、この第１’の重ね部の前記第１’の吊り帯体のＵターン部の折り返し部を残して前記第１’の吊り帯体のＵターン部の中途部同士が接合された第２’の重ね部とを備えているものである。 Further, the sandbag according to claim 2 is attached to the bottom of the bottomed cylindrical water-permeable bag for storing and storing soil from the upper opening, and to the bottom of the bag. A plurality of parallel annular side strips, a first suspension strip having a U-turn portion that is spaced from the bag body and is provided so as to protrude from the upper opening of the bag body; A portion extending from one of the U-turn portions of the suspension band to the bottom surface of the bag body is a first extension portion, and the bottom surface of the bag body from the other of the U-turn portions of the first suspension band body. The portion extending to the second extension portion is a second extension portion, and the first extension portion and the second extension portion are attached to the side surface and the bottom surface of the bag body, and are attached to the bag body apart from each other. A first 'suspension band having a U-turn portion projecting from the upper opening of the body, and the first' suspension A portion extending from one of the U-turn portions of the belt body to the bottom surface of the bag body is a first 'extension portion, and the bottom surface of the bag body from the other of the U-turn portions of the first' suspension band body. The portion extending to the second is a second 'extension, and the first' extension and the second 'extension are attached to the side surface and the bottom surface of the bag body. 1 extension portion, the second extension portion, the first 'extension portion, and the second' extension portion are arranged in this order, and on the bottom surface of the bag body, the first extension portion and the first ' The extension portion of the bag passes through the center of the bottom surface of the bag body, and the first extension portion is on the first extension portion or the first extension portion on the first extension portion. And the overlapped first extension and the first ′ extension are connected, and on the bottom surface of the bag body, the second extension and the second ′ extension are: Through the center of the bottom of the bag The second extension portion overlaps the second extension portion or the second extension portion overlaps the second extension portion, and the overlapping second extension portion and the second extension portion A length of the first suspension band including a folded portion of a U-turn portion of the first suspension band that is connected to the second 'extension and protrudes from the upper opening of the bag body. A first overlap portion which is folded along the direction and joined by overlapping the first suspension band, and a folded portion of the U-turn portion of the first suspension band of the first overlap portion is left. A second overlapping portion in which the middle portions of the U-turn portion of the first suspension band are joined to each other, and the U of the first 'suspension band provided so as to protrude from the upper opening of the bag body The first 'weight is folded along the longitudinal direction of the first' suspending strip including the turn portion of the turn portion and is joined by overlapping the first suspending strip. The middle part of the U-turn part of the first 'suspension band is joined to each other, leaving the folded part of the U-turn part of the first' suspension band of the first part and the first 'overlap part. And a second ′ overlapping portion .

請求項１記載の土嚢袋によれば、第１の延部及び第２の延部は袋体の側面及び底面に取り付けられ、また、第１’の延部及び第２’の延部は前記袋体の側面及び底面に取り付けられ、また、第１”の延部及び第２”の延部は前記袋体の側面及び底面に取り付けられ、しかも、前記袋体の底面において、第１の延部と第２’の延部とは、前記袋体の底面の中心を通り、前記第１の延部の上に前記第２’の延部が又は前記第２’の延部の上に前記第１の延部が重なると共に、該重なった前記第１の延部と前記第２’の延部とは接続され、また、前記袋体の底面において、第２の延部と第１”の延部とは、前記袋体の底面の中心を通り、前記第２の延部の上に前記第１”の延部が又は前記第１”の延部の上に前記第２の延部が重なると共に、該重なった前記第１の延部と前記第２’の延部とは接続され、また、前記袋体の底面において、第１’の延部と第２”の延部とは、前記袋体の底面の中心を通り、前記第１’の延部の上に前記第２”の延部が又は前記第２”の延部の上に前記第１’の延部が重なると共に、該重なった前記第１’の延部と前記第２”の延部とは接続されているため、袋体の底面が補強され、袋体の素材自体を強くしなくても、土を収納する土嚢袋の強度を向上させることができ、また、袋体の上部開口部より突出して設けられた第1の吊り帯体のＵターン部の折り返し部を含んで前記第1の吊り帯体の長手方向に沿って折られると共に前記第1の吊り帯体を重ねて接合された第１の重ね部と、前記袋体の上部開口部より突出して設けられた第1’の吊り帯体のＵターン部の折り返し部を含んで前記第1’の吊り帯体の長手方向に沿って折られると共に前記第1の吊り帯体を重ねて接合された第１’の重ね部と、前記袋体の上部開口部より突出して設けられた第1”の吊り帯体のＵターン部の折り返し部を含んで前記第1”の吊り帯体の長手方向に沿って折られると共に前記第1”の吊り帯体を重ねて接合された第１”の重ね部とを有するため、第1の吊り帯体、第1’の吊り帯体及び第1”の吊り帯体の強度を強くすることができ、また、第１の重ね部の内、第1の吊り帯体のＵターン部の中途部同士が接合されていない第1の吊り帯体のＵターン部の折り返し部の側にループ状の穴が、第１’の重ね部の内、第1’の吊り帯体のＵターン部の中途部同士が接合されていない第1’の吊り帯体のＵターン部の折り返し部の側にループ状の穴が、 第１”の重ね部の内、第1”の吊り帯体のＵターン部の中途部同士が接合されていない第1”の吊り帯体のＵターン部の折り返し部の側にループ状の穴が、それぞれ形成され、該ループ状の穴を「クレーン、ヘリコプター等で吊り上げる際の係合部」として利用することができ、取付作業が容易で、しかも、取付位置が安定して安全性をも高めることができる。 According to the sandbag of claim 1, the first extension and the second extension are attached to the side surface and the bottom of the bag body, and the first 'extension and the second' extension are the The first and second extension portions are attached to the side surface and the bottom surface of the bag body, and the first extension portion and the second extension portion are attached to the side surface and the bottom surface of the bag body. The second portion and the second portion extend through the center of the bottom surface of the bag body, and the second portion extends on the first portion or the second portion on the second portion. The first extension portion overlaps, and the overlapped first extension portion and the second ′ extension portion are connected, and the second extension portion and the first ”first” are connected to each other on the bottom surface of the bag body. The extension portion passes through the center of the bottom surface of the bag body, and the first extension portion on the second extension portion or the second extension portion on the first extension portion. The overlapping and the overlapping The first extending portion and the second 'extending portion are connected to each other. Further, in the bottom surface of the bag body, the first' extending portion and the second "extending portion are at the center of the bottom surface of the bag body. And the second "extension on the first 'extension or the first' extension on the second" extension, and the overlap of the first 'extension Since the extension part and the second "extension part are connected, the bottom surface of the bag body is reinforced, and the strength of the sandbag for storing the soil is improved without strengthening the material of the bag body itself. And includes a folded portion of the U-turn portion of the first suspension band provided so as to protrude from the upper opening of the bag body, and is folded along the longitudinal direction of the first suspension band. A first overlap portion joined by overlapping the first suspension band body, and a folded portion of a U-turn portion of the first 'suspension band body provided to protrude from the upper opening of the bag body Folding along the longitudinal direction of the first 'suspending band body and provided protruding from the upper opening of the bag body, the first' overlapped portion joined by overlapping the first suspending band body The first "suspension band is folded along the longitudinal direction of the first" suspension band including the folded portion of the U-turn portion, and the first "suspension band is overlapped and joined. Since the 1 "overlap portion is included, the strength of the first suspension band body, the first 'suspension band body and the first" suspension band body can be increased, and the first overlap portion can be strengthened. A loop-like hole is formed on the side of the folded portion of the U-turn portion of the first suspension band, where the middle portions of the U-turn portion of the first suspension band are not joined to each other. A loop-shaped hole on the side of the folded portion of the U-turn part of the 1 'suspension band where the middle parts of the U-turn part of the 1' suspension band are not joined to each other. Loop-like holes are respectively formed on the side of the folded portion of the U-turn part of the first "suspension band in which the middle parts of the U-turn part of the first" suspension band are not joined to each other, The loop-shaped hole can be used as an “engagement portion when lifting with a crane, helicopter, etc.”, the mounting work is easy, the mounting position is stable, and the safety can be enhanced.

また、請求項２記載の土嚢袋によれば、第１の延部及び第２の延部は袋体の側面及び底面に取り付けられ、また、第１’の延部及び第２’の延部は前記袋体の側面及び底面に取り付けられ、しかも、前記袋体の底面において、第１の延部と第１’の延部とは、前記袋体の底面の中心を通り、前記第１の延部の上に前記第１’の延部が又は前記第１’の延部の上に前記第１の延部が重なると共に、該重なった前記第１の延部と前記第１’の延部とは接続され、また、前記袋体の底面において、第２の延部と第２’の延部とは、前記袋体の底面の中心を通り、前記第２の延部の上に前記第２’の延部が又は前記第２’の延部の上に前記第２の延部が重なると共に、該重なった前記第２の延部と前記第２’の延部とは接続されているため、袋体の底面が補強され、袋体の素材自体を強くしなくても、土を収納する土嚢袋の強度を向上させることができ、また、袋体の上部開口部より突出して設けられた第1の吊り帯体のＵターン部の折り返し部を含んで前記第1の吊り帯体の長手方向に沿って折られると共に前記第1の吊り帯体を重ねて接合された第１の重ね部と、前記袋体の上部開口部より突出して設けられた第1’の吊り帯体のＵターン部の折り返し部を含んで前記第1’の吊り帯体の長手方向に沿って折られると共に前記第1の吊り帯体を重ねて接合された第１’の重ね部とを有するため、第1の吊り帯体及び第1’の吊り帯体の強度を強くすることができ、また、第１の重ね部の内、第1の吊り帯体のＵターン部の中途部同士が接合されていない第1の吊り帯体のＵターン部の折り返し部の側にループ状の穴が、第１’の重ね部の内、第1’の吊り帯体のＵターン部の中途部同士が接合されていない第1’の吊り帯体のＵターン部の折り返し部の側にループ状の穴が、それぞれ形成され、該ループ状の穴を「クレーン、ヘリコプター等で吊り上げる際の係合部」として利用することができ、取付作業が容易で、しかも、取付位置が安定して安全性をも高めることができる。 According to the sandbag of claim 2 , the first extension and the second extension are attached to the side and bottom of the bag body, and the first 'extension and the second' extension. Are attached to the side surface and the bottom surface of the bag body, and on the bottom surface of the bag body, the first extension portion and the first 'extension portion pass through the center of the bottom surface of the bag body, and The first extension portion overlaps the extension portion, or the first extension portion overlaps the first extension portion, and the overlapped first extension portion and first extension portion extend. And the second extending portion and the second ′ extending portion pass through the center of the bottom surface of the bag body, and are located on the second extending portion on the bottom surface of the bag body. The second extension portion overlaps the second ′ extension portion or the second ′ extension portion, and the overlapped second extension portion and the second ′ extension portion are connected to each other. Because the bottom of the bag is reinforced, The strength of the sandbag that stores the soil can be improved without strengthening the material of the bag itself, and the U-turn of the first suspension belt provided protruding from the upper opening of the bag A first overlapping portion that is folded along the longitudinal direction of the first suspension band and includes the first suspension band and is joined by overlapping the first suspension band, and an upper opening of the bag body Folding along the longitudinal direction of the first 'suspension band, including the folded portion of the U-turn portion of the first' suspension band provided in a more protruding manner, and overlapping the first suspension band Since it has the joined first 1 'overlap portion, it is possible to increase the strength of the first suspension belt body and the first' suspension belt body. A loop-shaped hole is formed on the side of the folded portion of the U-turn part of the first suspension band where the middle parts of the U-turn part of the suspension band are not joined. A loop-shaped hole is formed on the side of the folded portion of the U-turn part of the first 'suspension band in which the middle parts of the U-turn part of the first' suspension band are not joined to each other. Each loop hole can be used as an “engagement part when lifting with a crane, helicopter, etc.”, the mounting work is easy, the mounting position is stable, and safety is also increased. Can do.

本発明の土嚢袋の一実施例を図面を参照して説明する。
図１において、１０は土嚢袋で、この土嚢袋１０は、例えば、約２トン程度の土砂等を収納するもので、土砂等を収納した土嚢袋１０は、例えば、盛土に使用される。土嚢袋１０は、図５に示すように、上部開口部１ａより土を入れて収納する有底円筒形状の透水性の袋体１を有している。
また、袋体１の上部開口部１ａは蓋２で覆われ、この蓋２は、上部開口部１ａの縁部に取り付けられ、蓋２の先端部を紐３で締めるようになっており（図２参照）、土嚢袋１０は巾着袋となっている。
また、図１に示す４は環状側面帯体で、環状側面帯体４は袋体１の側面の周囲を囲むよう環状に形成され、袋体１の側面に、例えば、縫製により取り付けられている。環状側面帯体４は、複数、本実施例では、３個で、袋体１の底面１ｂに略平行に間隔を設けて袋体１の側面に取り付けられている。 An embodiment of a sandbag bag of the present invention will be described with reference to the drawings.
In FIG. 1, reference numeral 10 denotes a sandbag bag. The sandbag bag 10 stores, for example, about 2 tons of sand and sand. The sandbag bag 10 storing sand and sand is used for embankment, for example. As shown in FIG. 5, the sandbag 10 has a bottomed cylindrical water-permeable bag body 1 for storing soil from the upper opening 1a.
Further, the upper opening 1a of the bag body 1 is covered with a lid 2, and this lid 2 is attached to the edge of the upper opening 1a, and the tip of the lid 2 is fastened with a string 3 (see FIG. 2), the sandbag 10 is a drawstring bag.
Further, 4 shown in FIG. 1 is an annular side band, and the annular side band 4 is formed in an annular shape so as to surround the periphery of the side surface of the bag body 1 and is attached to the side surface of the bag body 1 by, for example, sewing. . A plurality of annular side band members 4 are provided in the present embodiment, and are attached to the side surface of the bag body 1 with a space substantially parallel to the bottom surface 1b of the bag body 1.

また、図１に示す５は第1の吊り帯体で、第1の吊り帯体５は袋体１に離間（例えば、図１の部位５ａ、５ｂ参照）して取り付けられ、袋体１の上部開口部１ａより突出して設けられたＵターン部５Ａを有している。この第1の吊り帯体５のＵターン部５Ａの一方（例えば、図１の部位５ａ参照）から袋体１の底面１ｂまで延びた部位は第１の延部５Ｃであり、第1の吊り帯体５のＵターン部５Ａの他方（例えば、図１の部位５ｂ参照）から袋体１の底面１ｂまで延びた部位は第２の延部５Ｄである（図１乃至図７参照） 。
また、５’は第1’の吊り帯体で、第1’の吊り帯体５’は袋体１に離間（例えば、図２の部位５’ａ、５’ｂ参照）して取り付けられ、袋体１の上部開口部１ａより突出して設けられたＵターン部５’Ａを有している。この第1’の吊り帯体５’のＵターン部５’Ａの一方（例えば、図２の部位５’ａ参照）から袋体１の底面１ｂまで延びた部位は第１’の延部５’Ｃであり、第1’の吊り帯体５’のＵターン部５’Ａの他方（例えば、図２の部位５’ｂ参照）から袋体１の底面１ｂまで延びた部位は第２’の延部５’Ｄである（図３、図５及び図７参照）。
また、５”は第1”の吊り帯体で、第1”の吊り帯体５”は袋体１に離間（例えば、図２の部位５”ａ、５”ｂ参照）して取り付けられ、袋体１の上部開口部１ａより突出して設けられたＵターン部５”Ａを有している。この第1”の吊り帯体５”のＵターン部５”Ａの一方（例えば、図２の部位５”ａ参照）から袋体１の底面１ｂまで延びた部位は第１”の延部５”Ｃであり、第1”の吊り帯体５”のＵターン部５”Ａの他方（例えば、図２の部位５”ｂ参照）から袋体１の底面１ｂまで延びた部位は第２”の延部５”Ｄである（図３、図５及び図７参照）。
従って、図３に示すように、底面視、時計回りに、第１の延部５Ｃ、第２の延部５Ｄ、第１’の延部５’Ｃ、第２’の延部５’Ｄ、第１”の延部５”Ｃ、第２”の延部５”Ｄの順に配置されるようになっている。 Further, 5 shown in FIG. 1 is a first suspension belt body, and the first suspension belt body 5 is attached to the bag body 1 so as to be separated (see, for example, the parts 5a and 5b in FIG. 1). It has a U-turn portion 5A provided so as to protrude from the upper opening 1a. A portion extending from one of the U-turn portions 5A of the first suspension band 5 (see, for example, the portion 5a in FIG. 1) to the bottom surface 1b of the bag body 1 is a first extending portion 5C. A portion extending from the other U-turn portion 5A of the band 5 (for example, see the portion 5b in FIG. 1) to the bottom surface 1b of the bag body 1 is a second extending portion 5D (see FIGS. 1 to 7).
In addition, 5 ′ is a 1 ′ suspension band, and the 1 ′ suspension band 5 ′ is attached to the bag body 1 (see, for example, the parts 5′a and 5′b in FIG. 2), The bag body 1 has a U-turn portion 5 ′ A provided so as to protrude from the upper opening 1 a of the bag body 1. A portion extending from one of the U-turn portions 5′A (see, for example, the portion 5′a in FIG. 2) of the first ′ suspension band 5 ′ to the bottom surface 1b of the bag body 1 is the first ′ extending portion 5. A portion extending from the other of the U-turn portions 5′A of the first suspension band 5 ′ (for example, see the portion 5′b in FIG. 2) to the bottom surface 1b of the bag body 2 is “2 ′”. (See FIGS. 3, 5 and 7).
In addition, 5 ″ is a first ”suspension band, and the first” suspension band 5 ″ is attached to the bag body 1 (for example, see parts 5 ″ a and 5 ″ b in FIG. 2). It has a U-turn part 5 "A provided so as to protrude from the upper opening 1a of the bag body 1. One of the U-turn parts 5" A of the first "suspension band 5" (for example, FIG. 2). The portion extending from the portion 5 ″ a) to the bottom surface 1b of the bag body 1 is the first ″ extending portion 5 ″ C, and the other of the U-turn portion 5 ″ A of the first ″ suspension band 5 ″ (see FIG. For example, a portion extending from the portion 5 ″ b in FIG. 2 to the bottom surface 1b of the bag body 1 is a second ″ extending portion 5 ″ D (see FIGS. 3, 5 and 7).
Therefore, as shown in FIG. 3, in the bottom view, clockwise, the first extension 5C, the second extension 5D, the first ′ extension 5′C, the second ′ extension 5′D, The first "extension 5" C and the second "extension 5" D are arranged in this order.

また、図３に示すように、袋体１の底面１ｂにおいて、第１の延部５Ｃと第２’の延部５’Ｄとは、底面視、袋体１の底面１ｂの中心Ｏを通り、第２’の延部５’Ｄ上に第１の延部５Ｃが重なる（図４参照、又は、逆に、図示しないが、第１の延部５Ｃの上に第２’の延部５’Ｄが重なっても良い。）と共に、該重なった第１の延部５Ｃと第２’の延部５’Ｄとは接続（例えば、縫製により接続される。）されている。なお、図３の符号Ｃは第１の延部５Ｃの端部を、図３の符号Ｄ’は第２’の延部５’Ｄの端部を、それぞれ示している。
また、袋体１の底面１ｂにおいて、第１の延部５Ｃと第２’の延部５’Ｄとが接続された第１の接続体（図３の符号５Ｃと５’Ｄの間）は、底面視、袋体１の底面１ｂの中心Ｏからそれぞれ袋体１の底面１ｂの半径の１／２を超えない範囲で袋体１の底面１ｂに取り付けない第１の非接合部（図３の符号Ｄ’とＣの間）と、第１の非接合部（図３の符号Ｄ’とＣの間）を除いた第１の接続体（図３の符号５Ｃと５’Ｄの間）の袋体１の底面１ｂに取り付ける第１の接合部（図３の符号５ＣとＤ’の間、図３の符号５’ＤとＣの間）とを有している。取り付けは、例えば、縫製による。 Further, as shown in FIG. 3, in the bottom surface 1 b of the bag body 1, the first extending portion 5 </ b> C and the second ′ extending portion 5 ′ D pass through the center O of the bottom surface 1 b of the bag body 1 when viewed from the bottom surface. The first extension 5C overlaps with the second 'extension 5'D (see FIG. 4 or conversely, although not shown, the second' extension 5C over the first extension 5C). In addition, the overlapping first extension 5C and second extension 5'D are connected (for example, connected by sewing). In addition, the code | symbol C of FIG. 3 has shown the edge part of the 1st extension part 5C, and the code | symbol D 'of FIG. 3 has shown the edge part of 2nd' extension part 5'D, respectively.
Further, on the bottom surface 1b of the bag body 1, the first connection body (between reference numerals 5C and 5'D in FIG. 3) in which the first extension portion 5C and the second extension portion 5'D are connected is The first non-joining portion that is not attached to the bottom surface 1b of the bag body 1 within a range not exceeding 1/2 of the radius of the bottom surface 1b of the bag body 1 from the center O of the bottom surface 1b of the bag body 1 (see FIG. 3). And a first connection body (between reference numerals 5C and 5'D in FIG. 3) excluding the first non-joining portion (between reference numerals D 'and C in FIG. 3). The first joint portion (between reference numerals 5C and D ′ in FIG. 3 and between reference numerals 5′D and C in FIG. 3) attached to the bottom surface 1b of the bag body 1 is provided. The attachment is, for example, by sewing.

また、図３に示すように、袋体１の底面１ｂにおいて、第２の延部５Ｄと第１”の延部５”Ｃとは、底面視、袋体１の底面１ｂの中心Ｏを通り、第１”の延部５”Ｃの上に第２の延部５Ｄが重なる（図４参照、又は、逆に、図示しないが、第２の延部５Ｄの上に第１”の延部５”Ｃが重なっても良い。）と共に、該重なった第１”の延部５”Ｃと第２の延部５Ｄとは接続（例えば、縫製により接続される。）されている。なお、図３の符号Ｄは第２の延部５Ｄの端部を、図３の符号Ｃ”は第１”の延部５”Ｃの端部を、それぞれ示している。
また、袋体１の底面１ｂにおいて、第２の延部５Ｄと第１”の延部５”Ｃとが接続された第２の接続体（図３の符号５Ｄと５”Ｃの間）は、底面視、袋体１の底面１ｂの中心Ｏからそれぞれ袋体１の底面１ｂの半径の１／２を超えない範囲で袋体１の底面１ｂに取り付けない第２の非接合部（図３の符号Ｃ”とＤの間）と、第２の非接合部（図３の符号Ｃ”とＤの間）を除いた第２の接続体（図３の符号５Ｄと５”Ｃの間）の袋体１の底面１ｂに取り付ける第２の接合部（図３の符号５ＤとＣ”の間、図３の符号５”ＣとＤの間）とを有している。取り付けは、例えば、縫製による。 Further, as shown in FIG. 3, in the bottom surface 1 b of the bag body 1, the second extension portion 5 </ b> D and the first “extension portion 5 ″ C pass through the center O of the bottom surface 1 b of the bag body 1 in bottom view. The second extension 5D overlaps with the first "extension 5" C (see FIG. 4 or conversely, although not shown, the first "extension over the second extension 5D) 5 ″ C may overlap.) The first extension portion 5 ″ C and the second extension portion 5D that overlap each other are connected (for example, connected by sewing). 3 indicates the end of the second extension 5D, and C ″ in FIG. 3 indicates the end of the first extension 5 ″ C.
Further, on the bottom surface 1b of the bag body 1, the second connecting body (between reference numerals 5D and 5 "C in FIG. 3) in which the second extending part 5D and the first" extending part 5 "C are connected is , A second non-joint portion that is not attached to the bottom surface 1b of the bag body 1 within a range not exceeding 1/2 of the radius of the bottom surface 1b of the bag body 1 from the center O of the bottom surface 1b of the bag body 1 (see FIG. 3). And a second connection body (between reference numerals 5D and 5 "C in FIG. 3) excluding the second non-joining portion (between reference numerals C" and D in FIG. 3). And a second joint (between 5D and C ″ in FIG. 3 and 5 ″ C and D in FIG. 3) attached to the bottom surface 1b of the bag body 1. The attachment is, for example, by sewing.

また、図３に示すように、袋体１の底面１ｂにおいて、第１’の延部５’Ｃと第２”の延部５”Ｄとは、底面視、袋体１の底面１ｂの中心Ｏを通り、第１’の延部５’Ｃの上に第２”の延部５”Ｄが重なる（図４参照、又は、逆に、図示しないが、第２”の延部５”Ｄの上に第１’の延部５’Ｃが重なっても良い。）と共に、該重なった第２”の延部５”Ｄと第１’の延部５’Ｃとは接続（例えば、縫製により接続される。）されている。なお、図３の符号Ｄ”は第２”の延部５”Ｄの端部を、図３の符号Ｃ’は第１’の延部５’Ｃの端部を、それぞれ示している。
また、袋体１の底面１ｂにおいて、第１’の延部５’Ｃと第２”の延部５”Ｄとが接続された第３の接続体（図３の符号５’Ｃと５”Ｄの間）は、底面視、袋体１の底面１ｂの中心Ｏからそれぞれ袋体１の底面１ｂの半径の１／２を超えない範囲で袋体１の底面１ｂに取り付けない第３の非接合部（図３の符号Ｄ”とＣ’の間）と、第３の非接合部（図３の符号Ｄ”とＣ’の間）を除いた第３の接続体（図３の符号５’Ｃと５”Ｄの間）の袋体１の底面１ｂに取り付ける第２の接合部（図３の符号５’ＣとＤ”の間、図３の符号５”ＤとＣ’の間）とを有している。取り付けは、例えば、縫製による。
その結果、袋体１の底面１ｂが補強され、袋体１の素材自体を強くしなくても、土を収納する土嚢袋１０の強度を向上させることができる。 Further, as shown in FIG. 3, in the bottom surface 1 b of the bag body 1, the first ′ extending portion 5 ′ C and the second “extending portion 5 ″ D are the center of the bottom surface 1 b of the bag body 1 when viewed from the bottom. The second "extension 5" D overlaps the first 'extension 5'C through O (see FIG. 4 or conversely, although not shown, the second "extension 5" D The first 2 ′ extension 5 ″ D and the 1 ′ ′ extension 5′C may be connected to each other (for example, sewing). Are connected by.) 3 indicates the end of the second ”extension 5 ″ D, and C ′ in FIG. 3 indicates the end of the first ′ extension 5′C.
Further, on the bottom surface 1b of the bag body 1, a third connection body (reference numerals 5'C and 5 "in FIG. 3) in which the first 'extension 5'C and the second" extension 5 "D are connected. (Between D) is a third non-attachment to the bottom surface 1b of the bag body 1 in a range not exceeding 1/2 of the radius of the bottom surface 1b of the bag body 1 from the center O of the bottom surface 1b of the bag body 1. A third connection body (reference numeral 5 in FIG. 3) excluding the joint portion (between reference numerals D ″ and C ′ in FIG. 3) and the third non-joining section (between reference numerals D ″ and C ′ in FIG. 3). 2nd joint part (between reference numerals 5′C and D ″ in FIG. 3 and between reference numerals 5 ″ D and C ′ in FIG. 3) attached to the bottom surface 1b of the bag body 1 (between “C and 5 ″ D). And have. The attachment is, for example, by sewing.
As a result, the bottom surface 1b of the bag body 1 is reinforced, and the strength of the sandbag 10 for storing soil can be improved without strengthening the material of the bag body 1 itself.

また、図８（ｂ）に示す５Ｅは、袋体１の上部開口部１ａより突出して設けられた第1の吊り帯体５のＵターン部５Ａの折り返し部を含んで第1の吊り帯体５の長手方向に沿って折られると共に第1の吊り帯体５を重ねて接合（例えば、縫製）された第１の重ね部で、また、図８（ｃ）に示す５Ｆは、第１の重ね部５Ｅの第1の吊り帯体５のＵターン部５Ａの折り返し部を残して第1の吊り帯体５のＵターン部５Ａの中途部同士が接合（例えば、縫製）された第２の重ね部である。
また、図１、図２及び図５に示す５’Ｅは、図８（ｂ）に示す５Ｅと同様、袋体１の上部開口部１ａより突出して設けられた第1’の吊り帯体５’のＵターン部５’Ａの折り返し部を含んで第1’の吊り帯体５’の長手方向に沿って折られると共に第1’の吊り帯体５’を重ねて接合（例えば、縫製）された第１’の重ね部で、また、５’Ｆは、図８（ｃ）に示す５Ｆと同様、第１’の重ね部５’Ｅの第1’の吊り帯体５’のＵターン部５’Ａの折り返し部を残して第1’の吊り帯体５’のＵターン部５’Ａの中途部同士が接合（例えば、縫製）された第２’の重ね部である。
また、図１、図２及び図５に示す５”Ｅは、図８（ｂ）に示す５Ｅと同様、袋体１の上部開口部１ａより突出して設けられた第1”の吊り帯体５”のＵターン部５”Ａの折り返し部を含んで第1”の吊り帯体５”の長手方向に沿って折られると共に第1”の吊り帯体５”を重ねて接合（例えば、縫製）された第１”の重ね部で、また、５”Ｆは、図８（ｃ）に示す５Ｆと同様、第１”の重ね部５”Ｅの第1”の吊り帯体５”のＵターン部５”Ａの折り返し部を残して第1”の吊り帯体５”のＵターン部５”Ａの中途部同士が接合（例えば、縫製）された第２”の重ね部である。 Further, 5E shown in FIG. 8 (b) includes a folded portion of the U-turn portion 5A of the first suspension band 5 provided so as to protrude from the upper opening 1a of the bag body 1. 5F is a first overlap portion that is folded along the longitudinal direction of 5 and is joined (for example, sewn) by overlapping the first suspension band 5, and 5F shown in FIG. The second part in which the middle parts of the U-turn part 5A of the first suspension band 5 are joined (for example, sewn), leaving the folded part of the U-turn part 5A of the first suspension band 5 of the overlapping part 5E. It is an overlapping part.
Further, 5′E shown in FIGS. 1, 2 and 5 is the same as 5E shown in FIG. 8 (b), and the first ′ suspension band 5 provided to protrude from the upper opening 1a of the bag 1 is provided. Folded along the longitudinal direction of the first 'suspending strip 5' including the folded portion of the 'U-turn portion 5'A and joined together by overlapping the first' suspending strip 5 '(for example, sewing) In the first 1 'overlap portion, 5'F is the U-turn of the first' suspension band 5 'of the 1' overlap portion 5'E, similarly to 5F shown in FIG. 8 (c). This is a 2 ′ overlapping portion in which the middle portions of the U-turn portion 5′A of the first ′ suspension band 5 ′ are joined (for example, sewn) with the folded portion of the portion 5′A remaining.
Further, 5 ″ E shown in FIGS. 1, 2 and 5 is the same as 5E shown in FIG. 8 (b), and the first ”suspension belt 5 provided to protrude from the upper opening 1a of the bag 1 is provided. Folded along the longitudinal direction of the first "suspender band 5" including the folded portion of "U-turn part 5" A and joined together by overlapping the first "suspender band 5" (for example, sewing) 1 "overlap portion, and 5" F is the U-turn of the first "suspension band 5" of the first "overlap portion 5" E, similarly to 5F shown in FIG. 8 (c). This is a second overlapping portion in which the middle portions of the U-turn portion 5 ″ A of the first ″ suspension band 5 ″ are joined (for example, sewn), leaving the folded portion of the portion 5 ″ A.

そして、図５に示すように、第１の重ね部５Ｅの内、第1の吊り帯体５のＵターン部５Ａの中途部同士が接合されていない第1の吊り帯体５のＵターン部５の折り返し部の側にループ状の穴Ｘが、第１’の重ね部５’Ｅの内、第1’の吊り帯体５’のＵターン部５’Ａの中途部同士が接合されていない第1’の吊り帯体５’のＵターン部５’Ａの折り返し部の側にループ状の穴Ｙが、 第１”の重ね部５”の内、第1”の吊り帯体５”のＵターン部５”Ａの中途部同士が接合されていない第1”の吊り帯体５”のＵターン部５”Ａの折り返し部の側にループ状の穴Ｚが、それぞれ形成され、該ループ状の穴Ｘ、Ｙ 、Ｚを「クレーン、ヘリコプター等で吊り上げる際の係合部」として利用することができ（図１参照）、取付作業が容易で、しかも、取付位置が安定して安全性をも高めることができる。
なお、上述した袋体１、複数の環状側面帯体４、第1の吊り帯体５、第1’の吊り帯体５’、及び第1”の吊り帯体５”は、望ましくは、土中や水中で微生物によって生分解可能なポリ乳酸系生分解性樹脂で形成されているのが良い。 And as shown in FIG. 5, the U-turn part of the 1st suspension belt | band | zone body 5 which the middle part of the U-turn part 5A of the 1st suspension belt | band | zone body 5A is not joined among the 1st overlap parts 5E. A loop-shaped hole X is formed on the side of the folded portion 5, and the middle portions of the U-turn portion 5 ′ A of the first suspending band body 5 ′ are joined to each other in the first ′ overlapping portion 5 ′ E. A loop-like hole Y is formed on the side of the folded portion of the U-turn portion 5'A of the first 1 'suspension band 5', and the first "suspension band 5" in the first "overlapping portion 5". Loop-shaped holes Z are formed on the side of the folded portion of the U-turn portion 5 ″ A of the first ″ suspension band 5 ″ in which the middle portions of the U-turn portion 5 ″ A are not joined to each other, Loop-shaped holes X, Y, and Z can be used as “engagement parts when lifting with cranes, helicopters, etc.” (see FIG. 1), making the installation work easy and the installation position stable. Safety.
The bag 1, the plurality of annular side belts 4, the first suspension belt 5, the first 'suspension belt 5', and the first "suspension belt 5" described above are preferably soil. It is preferable to be formed of a polylactic acid-based biodegradable resin that can be biodegraded by microorganisms in water.

また、上述した実施例においては、第1の吊り帯体５、第1’の吊り帯体５’及び第1”の吊り帯体５”と３個設けたが、本発明にあっては、これに限らず、３個以上でも良く、場合により、図９及び図１０に示すように、第1の吊り帯体５、第1’の吊り帯体５’と２個でも良い。     In the above-described embodiment, the first suspension band 5, the first 'suspension band 5', and the first "suspension band 5" are provided, but in the present invention, Not limited to this, three or more may be used. In some cases, as shown in FIG. 9 and FIG. 10, the first suspension band 5 and the first ′ suspension band 5 ′ may be two.

即ち、上述した実施例においては、第1の吊り帯体５、第1’の吊り帯体５’、第1”の吊り帯体５”の内、第1”の吊り帯体５”を省略し、第1の吊り帯体５と第1’の吊り帯体５’とが、袋体１の底面１ｂにおいて、直交するように設ければ良い（図９及び図１０参照）。
かかる場合の土嚢袋１０にあっては、図１０に示すように、底面視、時計回りに、第１の延部５Ｃ、第２の延部５Ｄ、第１’の延部５’Ｃ、第２の延部５’Ｄの順に配置される。
袋体１の底面１ｂにおいて、第１の延部５Ｃと第１’の延部５’Ｃとは、底面視、袋体１の底面１ｂの中心Ｏを通り、第１の延部５Ｃの上に第１’の延部５’Ｃが重なる（又は、逆に、図示しないが、第１’の延部５’Ｃの上に第１の延部５Ｃが重なっても良い。）と共に、該重なった第１’の延部５’Ｃと第１の延部５Ｃとは接続（例えば、縫製により接続される。）されている。なお、図３の符号Ｃは第１の延部５Ｃの端部を、図３の符号Ｃ’は第１’の延部５’Ｃの端部を、それぞれ示している。
また、袋体１の底面１ｂにおいて、第１の延部５Ｃと第１’の延部５’Ｃとが接続された第１の接続体（図１０の符号５Ｃと５’Ｃの間）は、底面視、袋体１の底面１ｂの中心Ｏからそれぞれ袋体１の底面１ｂの半径の１／２を超えない範囲で袋体１の底面１ｂに取り付けない第１の非接合部（図１０の符号ＣとＣ’の間）と、第１の非接合部（図１０の符号ＣとＣ’の間）を除いた第１の接続体（図３の符号５Ｃと５’Ｃの間）の袋体１の底面１ｂに取り付ける第１の接合部（図１０の符号５ＣとＣ’の間、図１０の符号５’ＣとＣの間）とを有している。取り付けは、例えば、縫製による。 That is, in the above-described embodiment, the first suspending band body 5 ″ is omitted from the first suspending band body 5, the first ′ suspending band body 5 ′, and the first “suspending band body 5 ″. And what is necessary is just to provide so that the 1st suspension belt | band | zone body 5 and 1 '' suspension belt body 5 'may orthogonally cross in the bottom face 1b of the bag body 1 (refer FIG.9 and FIG.10).
In the sandbag 10 in such a case, as shown in FIG. 10, the first extension 5C, the second extension 5D, the first ′ extension 5′C, The two extending portions 5′D are arranged in this order.
On the bottom surface 1b of the bag body 1, the first extension portion 5C and the first 'extension portion 5'C pass through the center O of the bottom surface 1b of the bag body 1 as viewed from the bottom, and are located above the first extension portion 5C. (Or conversely, although not shown, the first extension 5C may overlap with the first 'extension 5'C), the first extension 5'C overlaps with the first extension 5'C. The overlapped first 'extension 5'C and first extension 5C are connected (for example, connected by sewing). 3 indicates the end of the first extension 5C, and C ′ in FIG. 3 indicates the end of the first 5′C.
Further, on the bottom surface 1b of the bag body 1, the first connecting body (between reference numerals 5C and 5'C in FIG. 10) in which the first extending portion 5C and the first ′ extending portion 5′C are connected is The first non-joining portion that is not attached to the bottom surface 1b of the bag body 1 within a range not exceeding 1/2 of the radius of the bottom surface 1b of the bag body 1 from the center O of the bottom surface 1b of the bag body 1 (see FIG. 10). And a first connecting body (between reference numerals 5C and 5'C in FIG. 3) excluding the first non-joining portion (between reference numerals C and C 'in FIG. 10). The first joint portion (between reference numerals 5C and C ′ in FIG. 10 and between reference numerals 5′C and C in FIG. 10) attached to the bottom surface 1b of the bag body 1 is provided. The attachment is, for example, by sewing.

また、袋体１の底面１ｂにおいて、第２の延部５Ｄと第２’の延部５’Ｄとは、底面視、袋体１の底面１ｂの中心Ｏを通り、第２の延部５Ｄの上に第２’の延部５’Ｄが重なる（又は、逆に、図示しないが、第２’の延部５’Ｄの上に第２の延部５Ｄが重なっても良い。）と共に、該重なった第２’の延部５’Ｄと第２の延部５Ｄとは接続（例えば、縫製により接続される。）されている。なお、図３の符号Ｄは第２の延部５Ｄの端部を、図３の符号Ｄ’は第２’の延部５’Ｄの端部を、それぞれ示している。
また、袋体１の底面１ｂにおいて、第２の延部５Ｄと第２’の延部５’Ｄとが接続された第２の接続体（図１０の符号５Ｄと５’Ｄの間）は、底面視、袋体１の底面１ｂの中心Ｏからそれぞれ袋体１の底面１ｂの半径の１／２を超えない範囲で袋体１の底面１ｂに取り付けない第２の非接合部（図１０の符号ＤとＤ’の間）と、第２の非接合部（図１０の符号ＤとＤ’の間）を除いた第２の接続体（図３の符号５Ｄと５’Ｄの間）の袋体１の底面１ｂに取り付ける第２の接合部（図１０の符号５ＤとＤ’の間、図１０の符号５’ＤとＤの間）とを有している。取り付けは、例えば、縫製による。 Further, in the bottom surface 1b of the bag body 1, the second extension portion 5D and the second 'extension portion 5'D pass through the center O of the bottom surface 1b of the bag body 1 as viewed from the bottom, and the second extension portion 5D. And the second extension portion 5′D overlaps with (or conversely, although not shown, the second extension portion 5D may overlap with the second ′ extension portion 5′D). The overlapped second 'extension portion 5'D and second extension portion 5D are connected (for example, connected by sewing). In addition, the code | symbol D of FIG. 3 has shown the edge part of 2nd extension part 5D, and the code | symbol D 'of FIG. 3 has each shown the edge part of 2' extension part 5'D.
Further, on the bottom surface 1b of the bag body 1, the second connecting body (between reference numerals 5D and 5'D in FIG. 10) in which the second extending portion 5D and the second ′ extending portion 5′D are connected is , A second non-joining portion that is not attached to the bottom surface 1b of the bag body 1 within a range not exceeding 1/2 of the radius of the bottom surface 1b of the bag body 1 from the center O of the bottom surface 1b of the bag body 1 (see FIG. 10). And a second connection body (between reference numerals 5D and 5'D in FIG. 3) excluding the second non-joining portion (between reference numerals D and D 'in FIG. 10). The second joint portion (between reference numerals 5D and D ′ in FIG. 10 and between reference numerals 5′D and D in FIG. 10) attached to the bottom surface 1b of the bag body 1 is provided. The attachment is, for example, by sewing.

その結果、図９及び図１０に示す土嚢袋１０にあっては、図１乃至図８に示す土嚢袋１０と同様、袋体１の底面１ｂが補強され、袋体１の素材自体を強くしなくても、土を収納する土嚢袋１０の強度を向上させることができる。
なお、上述した袋体１、複数の環状側面帯体４、第1の吊り帯体５及び第1’の吊り帯体５’は、望ましくは、土中や水中で微生物によって生分解可能なポリ乳酸系生分解性樹脂で形成されているのが良い。また、本実施例においては、上述の実施例と同一部分に同一符号を付してその説明を一部省略している。 As a result, in the sandbag 10 shown in FIGS. 9 and 10, the bottom surface 1b of the bag body 1 is reinforced like the sandbag 10 shown in FIGS. 1 to 8, and the material itself of the bag body 1 is strengthened. Even if it is not, the strength of the sandbag 10 for storing the soil can be improved.
The bag 1, the plurality of annular side belts 4, the first suspension belt 5 and the first 1 'suspension belt 5' described above are preferably polydegradable by microorganisms in soil or water. It is good to be formed with a lactic acid biodegradable resin. Further, in this embodiment, the same parts as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is partially omitted.

図１は、本発明の一実施例の土嚢袋が運搬される状態の概略的正面図である。FIG. 1 is a schematic front view of a state in which a sandbag according to an embodiment of the present invention is transported. 図２は、図１の土嚢袋の概略的平面図である。FIG. 2 is a schematic plan view of the sandbag of FIG. 図３は、図２の土嚢袋の概略的底面図である。FIG. 3 is a schematic bottom view of the sandbag bag of FIG. 図４は、図３の４−４線による概略的断面図である。4 is a schematic cross-sectional view taken along line 4-4 of FIG. 図５は、図１の土嚢袋の開口部を介して土壌を入れる状態の概略的正面図である。FIG. 5 is a schematic front view of a state in which soil is put through the opening of the sandbag bag of FIG. 1. 図６は、図５の６−６線による概略的断面図である。6 is a schematic cross-sectional view taken along line 6-6 of FIG. 図７は、図５の７−７線による概略的断面図である。7 is a schematic cross-sectional view taken along line 7-7 of FIG. 図８は、図１の土嚢袋の第1の吊り帯の製造過程を示すもので、図８（ａ）は、第1の吊り帯体のＵターン部の折り返し部が袋体の上部開口部より突出して設けられた状態を、図８（ｂ）は、図８（ａ）の第1の吊り帯体の長手方向に沿って第1の吊り帯体が折られて接合された状態を、図８（ｃ）は、図８（ｂ）の第1の吊り帯体のＵターン部の折り返し部を残して前記第1の吊り帯体のＵターン部の中途部同士が接合された状態を、それぞれ示す概略的斜視図である。FIG. 8 shows a manufacturing process of the first suspending band of the sandbag bag of FIG. 1, and FIG. FIG. 8 (b) shows a state in which the first suspension band is folded and joined along the longitudinal direction of the first suspension band in FIG. 8 (a). FIG. 8C shows a state in which the middle parts of the U-turn portion of the first suspension band are joined to each other, leaving the folded portion of the U-turn portion of the first suspension band of FIG. 8B. FIG. 図９は、図２の土嚢袋と異なる他の実施例の土嚢袋の概略的平面図である。FIG. 9 is a schematic plan view of a sandbag of another embodiment different from the sandbag of FIG. 図１０は、図９の土嚢袋の概略的底面図である。FIG. 10 is a schematic bottom view of the sandbag bag of FIG.

符号の説明Explanation of symbols

１ 袋体
１ｂ 底面
５Ｃ 第１の延部
５’Ｃ 第１’の延部
５”Ｃ 第１”の延部
５Ｄ 第２の延部
５’Ｄ 第２’の延部
５”Ｄ 第２”の延部
１０ 土嚢袋
Ｏ 中心 DESCRIPTION OF SYMBOLS 1 Bag 1b Bottom face 5C 1st extension 5'C 1 'extension 5 "C 1st" extension 5D 2nd extension 5'D 2' extension 5 "D 2" No. 10 sandbag O center

Claims (2)

上部開口部より土を入れて収納する有底円筒形状の透水性の袋体と、
この袋体の側面に取り付けられると共に、前記袋体の底面に略平行な複数の環状側面帯体と、
前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１の吊り帯体と、
この第１の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１の延部であり、前記第１の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２の延部であり、前記第１の延部及び前記第２の延部は前記袋体の側面及び底面に取り付けられ、
前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１’の吊り帯体と、
この第１’の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１’の延部であり、前記第１’の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２’の延部であり、前記第１’の延部及び前記第２’の延部は前記袋体の側面及び底面に取り付けられ、
前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１”の吊り帯体と、
この第１”の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１”の延部であり、前記第1”の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２”の延部であり、前記第１”の延部及び前記第２”の延部は前記袋体の側面及び底面に取り付けられ、
底面視、時計回りに、前記第１の延部、前記第２の延部、前記第１’の延部、前記第２’の延部、前記第１”の延部、前記第２”の延部の順に配置され、
前記袋体の底面において、前記第１の延部と前記第２’の延部とは、前記袋体の底面の中心を通り、前記第１の延部の上に前記第２’の延部が又は前記第２’の延部の上に前記第１の延部が重なると共に、該重なった前記第１の延部と前記第２’の延部とは接続され、
前記袋体の底面において、前記第２の延部と前記第１”の延部とは、前記袋体の底面の中心を通り、前記第２の延部の上に前記第１”の延部が又は前記第１”の延部の上に前記第２の延部が重なると共に、該重なった前記第１の延部と前記第２’の延部とは接続され、
前記袋体の底面において、前記第１’の延部と第２”の延部とは、前記袋体の底面の中心を通り、前記第１’の延部の上に前記第２”の延部が又は前記第２”の延部の上に前記第１’の延部が重なると共に、該重なった前記第１’の延部と前記第２”の延部とは接続され、
前記袋体の上部開口部より突出して設けられた前記第１の吊り帯体のＵターン部の折り返し部を含んで前記第1の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１の重ね部と、
この第１の重ね部の前記第1の吊り帯体のＵターン部の折り返し部を残して前記第１の吊り帯体のＵターン部の中途部同士が接合された第２の重ね部と、
前記袋体の上部開口部より突出して設けられた前記第１’の吊り帯体のＵターン部の折り返し部を含んで前記第１’の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１’の重ね部と、
この第１’の重ね部の前記第１’の吊り帯体のＵターン部の折り返し部を残して前記第１’の吊り帯体のＵターン部の中途部同士が接合された第２’の重ね部と、
前記袋体の上部開口部より突出して設けられた前記第１”の吊り帯体のＵターン部の折り返し部を含んで前記第１”の吊り帯体の長手方向に沿って折られると共に前記第１”の吊り帯体を重ねて接合された第１”の重ね部と、
この第１”の重ね部の前記第１”の吊り帯体のＵターン部の折り返し部を残して前記第１”の吊り帯体のＵターン部の中途部同士が接合された第２”の重ね部と、
を備えていることを特徴とする土嚢袋。 A bottomed cylindrical water-permeable bag body for storing soil from the upper opening,
A plurality of annular side band members that are attached to the side surface of the bag body and substantially parallel to the bottom surface of the bag body,
A first suspension band attached to the bag body and having a U-turn portion provided protruding from the upper opening of the bag body;
A portion extending from one of the U-turn portions of the first suspension band to the bottom surface of the bag body is a first extension portion, and the bag is formed from the other of the U-turn portions of the first suspension band. The part extending to the bottom of the body is a second extension, and the first extension and the second extension are attached to the side and bottom of the bag,
A first 'suspension band having a U-turn portion that is mounted apart from the bag body and protrudes from an upper opening of the bag body;
A portion extending from one of the U-turn portions of the first 'suspension band to the bottom surface of the bag body is a first' extension, and the other of the U-turn portions of the first 'suspension band. The part extending from the bottom to the bottom of the bag is a second 'extension, and the first' extension and the second 'extension are attached to the side and bottom of the bag,
A first "suspension band having a U-turn portion mounted apart from the bag body and protruding from the upper opening of the bag body;
A portion extending from one of the U-turn portions of the first "suspension band to the bottom surface of the bag body is a first" extension, and the other of the U-turn portions of the first "suspension band. The portion extending from the bottom to the bottom of the bag body is a second "extension, and the first" extension and the second "extension are attached to the side and bottom of the bag,
Viewed from the bottom, clockwise, the first extension, the second extension, the first 'extension, the second' extension, the first "extension, the second" Arranged in the order of extension,
In the bottom surface of the bag body, the first extension portion and the second 'extension portion pass through the center of the bottom surface of the bag body, and the second' extension portion above the first extension portion. Or the first extension portion overlaps the second 'extension portion, and the overlapped first extension portion and the second' extension portion are connected,
In the bottom surface of the bag body, the second extension portion and the first "extension portion pass through the center of the bottom surface of the bag body, and the first" extension portion above the second extension portion. Or the second extension overlaps the first "extension, and the overlapped first extension and the second 'extension are connected,
In the bottom surface of the bag body, the first ′ extension portion and the second ″ extension portion pass through the center of the bottom surface of the bag body and extend the second ″ extension on the first ′ extension portion. And the first 'extension extends over the second "extension, and the overlapped first' extension and the second" extension are connected ,
The first suspension band is folded along the longitudinal direction of the first suspension band and includes the folded portion of the U-turn part of the first suspension band provided so as to protrude from the upper opening of the bag body. A first overlapped portion that is joined with overlapping suspension bodies;
A second overlapped portion in which the middle portions of the U-turn portion of the first suspension band are joined to each other, leaving a folded portion of the U-turn portion of the first suspension band of the first overlap portion;
It is folded along the longitudinal direction of the first ′ suspension band including the folded portion of the U-turn portion of the first ′ suspension band provided so as to protrude from the upper opening of the bag body. A first 'overlapped portion joined by overlapping one suspension band;
The second portion of the first portion of the first 'suspension band is joined to the middle portion of the U-turn portion of the first portion of the suspension band, leaving the folded portion of the U-turn portion of the first portion of the suspension band. The overlapping part,
The first "suspension band is folded along the longitudinal direction of the first" suspension band including the folded portion of the U-turn part of the first "suspension band provided so as to protrude from the upper opening of the bag body. A 1 "overlap portion joined by overlapping 1" suspension bands;
The middle part of the U-turn part of the first "suspension band is joined to each other, leaving the folded part of the U-turn part of the first" suspension band of the first "overlapping part. The overlapping part,
A sandbag bag characterized by comprising. 上部開口部より土を入れて収納する有底円筒形状の透水性の袋体と、
この袋体の側面に取り付けられると共に、前記袋体の底面に略平行な複数の環状側面帯体と、
前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１の吊り帯体と、
この第１の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１の延部であり、前記第１の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２の延部であり、前記第１の延部及び前記第２の延部は前記袋体の側面及び底面に取り付けられ、
前記袋体に離間して取り付けられ、前記袋体の上部開口部より突出して設けられたＵターン部を有した第１’の吊り帯体と、
この第１’の吊り帯体の前記Ｕターン部の一方から前記袋体の底面まで延びた部位は第１’の延部であり、前記第１’の吊り帯体の前記Ｕターン部の他方から前記袋体の底面まで延びた部位は第２’の延部であり、前記第１’の延部及び前記第２’の延部は前記袋体の側面及び底面に取り付けられ、
底面視、時計回りに、前記第１の延部、前記第２の延部、前記第１’の延部、前記第２’の延部の順に配置され、
前記袋体の底面において、前記第１の延部と前記第１’の延部とは、前記袋体の底面の中心を通り、前記第１の延部の上に前記第１’の延部が又は前記第１’の延部の上に前記第１の延部が重なると共に、該重なった前記第１の延部と前記第１’の延部とは接続され、
前記袋体の底面において、前記第２の延部と前記第２’の延部とは、前記袋体の底面の中心を通り、前記第２の延部の上に前記第２’の延部が又は前記第２’の延部の上に前記第２の延部が重なると共に、該重なった前記第２の延部と前記第２’の延部とは接続され、
前記袋体の上部開口部より突出して設けられた前記第１の吊り帯体のＵターン部の折り返し部を含んで前記第１の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１の重ね部と、
この第１の重ね部の前記第１の吊り帯体のＵターン部の折り返し部を残して前記第1の吊り帯体のＵターン部の中途部同士が接合された第２の重ね部と、
前記袋体の上部開口部より突出して設けられた前記第１’の吊り帯体のＵターン部の折り返し部を含んで前記第１’の吊り帯体の長手方向に沿って折られると共に前記第１の吊り帯体を重ねて接合された第１’の重ね部と、
この第１’の重ね部の前記第１’の吊り帯体のＵターン部の折り返し部を残して前記第１’の吊り帯体のＵターン部の中途部同士が接合された第２’の重ね部と、
を備えていることを特徴とする土嚢袋。 A bottomed cylindrical water-permeable bag body for storing soil from the upper opening,
A plurality of annular side band members that are attached to the side surface of the bag body and substantially parallel to the bottom surface of the bag body,
A first suspension band attached to the bag body and having a U-turn portion provided protruding from the upper opening of the bag body;
A portion extending from one of the U-turn portions of the first suspension band to the bottom surface of the bag body is a first extension portion, and the bag is formed from the other of the U-turn portions of the first suspension band. The part extending to the bottom of the body is a second extension, and the first extension and the second extension are attached to the side and bottom of the bag,
A first 'suspension band having a U-turn portion that is mounted apart from the bag body and protrudes from an upper opening of the bag body;
A portion extending from one of the U-turn portions of the first 'suspension band to the bottom surface of the bag body is a first' extension, and the other of the U-turn portions of the first 'suspension band. The part extending from the bottom to the bottom of the bag is a second 'extension, and the first' extension and the second 'extension are attached to the side and bottom of the bag,
When viewed from the bottom, clockwise, the first extension, the second extension, the first 'extension, and the second' extension are arranged in this order.
In the bottom surface of the bag body, the first extension portion and the first 'extension portion pass through the center of the bottom surface of the bag body, and the first' extension portion above the first extension portion. Or the first extension portion overlaps the first 'extension portion, and the overlapped first extension portion and the first' extension portion are connected,
In the bottom surface of the bag body, the second extension portion and the second 'extension portion pass through the center of the bottom surface of the bag body, and the second' extension portion above the second extension portion. Or the second extension portion overlaps the second 'extension portion, and the overlapped second extension portion and the second' extension portion are connected ,
The first suspension band is folded along the longitudinal direction of the first suspension band, including the folded portion of the U-turn part of the first suspension band provided so as to protrude from the upper opening of the bag body. A first overlapped portion that is joined with overlapping suspension bodies;
A second overlapped portion in which the middle portions of the U-turn portion of the first suspension band are joined to each other, leaving a folded portion of the U-turn portion of the first suspension band of the first overlapped portion;
It is folded along the longitudinal direction of the first ′ suspension band including the folded portion of the U-turn portion of the first ′ suspension band provided so as to protrude from the upper opening of the bag body. A first 'overlapped portion joined by overlapping one suspension band;
The second portion of the first portion of the first 'suspension band is joined to the middle portion of the U-turn portion of the first portion of the suspension band, leaving the folded portion of the U-turn portion of the first portion of the suspension band. The overlapping part,
A sandbag bag characterized by comprising.
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