JP3191970U - Water tank - Google Patents
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- JP3191970U JP3191970U JP2014001986U JP2014001986U JP3191970U JP 3191970 U JP3191970 U JP 3191970U JP 2014001986 U JP2014001986 U JP 2014001986U JP 2014001986 U JP2014001986 U JP 2014001986U JP 3191970 U JP3191970 U JP 3191970U
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- water tank
- absorbing polymer
- bag body
- building
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 229920000642 polymer Polymers 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 6
- 239000012466 permeate Substances 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 19
- 239000002250 absorbent Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 5
- 244000025254 Cannabis sativa Species 0.000 description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 3
- 235000009120 camo Nutrition 0.000 description 3
- 235000005607 chanvre indien Nutrition 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000011487 hemp Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- 241000594009 Phoxinus phoxinus Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
【課題】吸水後の吸水性ポリマーが袋体から漏れ出ることを防止する水のうを提供する。【解決手段】吸水性ポリマー５と吸水性ポリマーを内包する袋体３を備えた水のう１であって、袋体の素材として少なくとも一部が透水性を有するシート材であって、かつ、吸水性ポリマーは透過させないシート材を用いる。シート材として不織布を用い、袋体の縁部７を二重に縫製しているのが好ましい。【選択図】図１PROBLEM TO BE SOLVED: To provide a water bag for preventing a water-absorbent polymer from leaking from a bag body after water absorption. SOLUTION: The water sac 1 is provided with a water-absorbent polymer 5 and a bag body 3 containing the water-absorbent polymer, and is a sheet material having at least a part of water permeability as a material of the bag body, and Use a sheet material that does not allow the water-absorbing polymer to permeate. It is preferable that a non-woven fabric is used as the sheet material and the edge 7 of the bag body is doubly sewn. [Selection diagram] Fig. 1
Description
本考案は、吸水性ポリマーを内包した水のうに関するものである。 The present invention relates to a water tank containing a water-absorbing polymer.
都市圏等での大雨時に地下街や建物内部への浸水による水害を防ぐ手段として、吸水性ポリマーを内包する水のうが用いられている。吸水性ポリマーは水分に浸されると、ゲル化し、水分を吸収・保持する。吸水性ポリマーを用いる水のうは、吸水後には重量及び体積が増加するが、乾燥時の水のうはコンパクトで軽い。そのため、設置作業や撤収作業が容易である。また、その吸水性の高さから、グラウンド整備時に水たまりの除水処理に用いられるなど、水害対策に限らず様々な場面での水処理に活用されている。本願考案者らは、これまで設置作業や撤収作業が容易な水のう等を開発してきた（例えば、特許文献１参照）。 As a means for preventing water damage caused by inundation of underground shopping malls and buildings during heavy rains in urban areas, a water tank containing a water-absorbing polymer is used. When the water-absorbing polymer is immersed in moisture, it gels and absorbs and retains moisture. A water bath using a water-absorbing polymer increases in weight and volume after water absorption, but a water bath when dried is compact and light. Therefore, installation work and withdrawal work are easy. In addition, due to its high water absorption, it is used for water treatment in various scenes, not limited to flood damage countermeasures, such as being used for dewatering treatment of puddles during ground maintenance. The inventors of the present application have so far developed water tanks and the like that can be easily installed and removed (see, for example, Patent Document 1).
従来、水のうの袋体の素材には、土のうの袋体と同様に、麻等の素材がよく用いられていた。 Conventionally, materials such as hemp were often used as the material for the bag of minnow, like the bag of sandbag.
しかしながら、麻等の素材では、吸水してゲル状となった吸水性ポリマーが水のうの袋体内部から漏れ出ることがあった。吸水性ポリマーが床面に漏れ出ると滑りやすくなるため、水害等の緊急時には現場が混乱する一因となって非常に危険であった。その上、処理が面倒となる欠点を有していた。 However, in materials such as hemp, the water-absorbing polymer that has become water-absorbed and gelled may leak out of the bag body. If the water-absorbing polymer leaks to the floor surface, it becomes slippery, which is very dangerous because it causes confusion at the site in case of emergency such as flood. In addition, it has a drawback that the processing becomes troublesome.
本考案は、吸水後の吸水性ポリマーが袋体から漏れ出ることを防止する水のうを提供することを課題とする。 This invention makes it a subject to provide the water tank which prevents the water absorbing polymer after water absorption from leaking out of a bag.
本考案の第１の観点は、吸水性ポリマーと前記吸水性ポリマーを内包する袋体を備えた水のうであって、前記袋体の素材として、少なくとも一部が透水性を有するシート材であって、かつ、前記吸水性ポリマーは透過させないシート材を用いた水のうである。 A first aspect of the present invention is a water tank provided with a water-absorbing polymer and a bag body containing the water-absorbing polymer, and as a material of the bag body, at least a part is a sheet material having water permeability. In addition, the water-absorbing polymer is a water tank using a sheet material that does not allow permeation.
本考案の第２の観点は、第１の観点の水のうであって、前記シート材として不織布を用いた水のうである。 A second aspect of the present invention is the water tank according to the first aspect, wherein the sheet material is a non-woven fabric.
本考案の第３の観点は、第１又は第２の観点の水のうであって、前記袋体の縁部を二重に縫製した水のうである。 The third aspect of the present invention is the water tank according to the first or second aspect, wherein the edge of the bag body is double-sewn.
本考案の第４の観点は、第１から第３のいずれかの観点の水のうであって、設置場所からの移動を防止するストッパーと連結する連結部をさらに備える水のうである。 A fourth aspect of the present invention is the water tank according to any one of the first to third aspects, further including a connecting portion that is connected to a stopper that prevents movement from the installation location.
本考案の第５の観点は、第４の観点の水のうであって、全体としてシート状の形状であり、前記連結部は、リング状の形状である水のうである。 A fifth aspect of the present invention is the water tank according to the fourth aspect, which is a sheet-like shape as a whole, and the connecting portion is a water tank having a ring shape.
本考案の第６の観点は、第５の観点の水のうであって、複数の前記連結部を備える水のうである。 A sixth aspect of the present invention is the water tank of the fifth aspect, which is a water tank provided with a plurality of the connecting portions.
本考案の第７の観点は、第４から第６のいずれかの観点の水のうであって、水よりも比重の大きい重りをさらに備える水のうである。 A seventh aspect of the present invention is a water tank according to any one of the fourth to sixth aspects, further including a weight having a specific gravity greater than that of water.
本考案の第１の観点によれば、吸水性ポリマーの水のう内部からの流出を防止し、水害などの緊急時に現場が滑りやすくなることを防止することが可能となる。また、流れ出た吸水性ポリマーの後処理の手間を省くことが可能となる。 According to the first aspect of the present invention, it is possible to prevent the water-absorbing polymer from flowing out from the inside of the water tank and to prevent the site from becoming slippery in an emergency such as a flood. In addition, it is possible to save the work of post-treatment of the water-absorbing polymer that has flowed out.
なお、従来の水のうは、吸水時に、ゲル化した吸水性ポリマーが防水シートの折り目から流出することがあった。 In the case of conventional water tanks, the gelled water-absorbing polymer sometimes flows out from the folds of the waterproof sheet during water absorption.
そこで、本考案の第２の観点によれば、吸水時に、織り目からの吸水性ポリマーの流出を防ぐことが容易となる。これは、不織布は織り目を有さない上に、作成時に布の厚みや空隙を調整することができるという特徴を有するためである。しかも、目が粗くなりがちな麻などの素材を用いる場合と比べて、袋体の強度を増大させて破れにくい水のうを提供することが容易となる。 Therefore, according to the second aspect of the present invention, it becomes easy to prevent the water-absorbing polymer from flowing out of the weave during water absorption. This is because the non-woven fabric has no texture, and has the characteristics that the thickness and gap of the fabric can be adjusted at the time of creation. In addition, compared to the case of using a material such as hemp, which tends to be rough, it is easy to increase the strength of the bag body and provide a water bath that is difficult to tear.
また、従来の水のうは、吸水時に、ゲル化した吸水性ポリマーが縫い目から流出する事態も生じていた。 Further, in the conventional water tank, there has been a situation in which the gelled water-absorbing polymer flows out from the seam during water absorption.
そこで、本考案の第３の観点によれば、縫い目からの吸水性ポリマーの流出を防ぐことが容易となる。しかも、縫い目の強度を増すことにより、車が載っても破れない程の強度を実現することが可能となる。このため、水害時の現場で物や人が載っても破れない強靭な水のうを提供することが可能となる。 Then, according to the 3rd viewpoint of this invention, it becomes easy to prevent the outflow of the water absorbing polymer from a seam. In addition, by increasing the strength of the seam, it is possible to achieve strength that does not break even when the car is placed. For this reason, it becomes possible to provide a strong water tank that does not break even if an object or a person is placed on the site at the time of flood.
さらに、本考案の第４の観点によれば、水のう設置後に強い風雨等の影響で水のうが移動してしまうことを防止し、建築物内部への浸水を防止することがさらに容易となる。 Furthermore, according to the fourth aspect of the present invention, it is further easy to prevent the water tank from moving under the influence of strong wind and rain after the water tank is installed, and to prevent water from entering the building. It becomes.
さらに、本考案の第５の観点によれば、全体としてシート状であるため、浸水から守りたい建築物の一部と地面との隙間に差し込む水のうを提供可能となる。しかも、建築物内部に連結部を入れた状態で、建築物と地面との隙間よりも厚みのあるストッパーを連結部に差し込むことで水のうが強い風雨等で移動してしまうことを防止可能となる。そのため、建築物への迅速な設置が可能な水のうを提供できる。 Furthermore, according to the 5th viewpoint of this invention, since it is a sheet form as a whole, it becomes possible to provide the water tank inserted in the clearance gap between the part of the building which it wants to protect from inundation, and the ground. Moreover, with the connecting part inside the building, it is possible to prevent it from moving due to strong rain or rain by inserting a stopper that is thicker than the gap between the building and the ground into the connecting part. It becomes. Therefore, it is possible to provide a water tank that can be quickly installed in a building.
さらに、本考案の第６の観点によれば、棒状のストッパーを複数の連結部に差し込むことにより、ストッパーが連結部から外れにくい状況を迅速に実現可能な水のうを提供可能となる。 Furthermore, according to the sixth aspect of the present invention, it is possible to provide a water tank capable of quickly realizing a situation in which the stopper is unlikely to be detached from the connecting portion by inserting the rod-like stopper into the plurality of connecting portions.
ただし、水のうが軽量であるため、水のうが充分に水を含んで重くなるまでの間、水のうが水面に浮いてしまい、水のうと地面との隙間を通って建築物内部に浸水する事態が想定される。 However, because the water tank is lightweight, the water tank floats on the surface of the water until the water tank becomes sufficiently heavy and contains water, and passes through the gap between the water tank and the ground. It is assumed that there will be a flood.
そこで、本考案の第７の観点によれば、吸水前の水のうであっても、水のうが水面に浮くことを抑制し、建築物内部に浸水することを防止することがさらに容易となる。 Therefore, according to the seventh aspect of the present invention, it is even easier to prevent the water tank from floating on the water surface and prevent it from entering the building even if it is water tank before water absorption. It becomes.
以下では、図面を参照しながら本考案に係る水のうの実施の形態について説明する。なお、本考案に係る水のうは、以下の実施の形態に限られるものではない。 In the following, an embodiment of a water tank according to the present invention will be described with reference to the drawings. The water tank according to the present invention is not limited to the following embodiment.
図１は本考案の実施の形態に係る水のう１（本願請求項における「水のう」の一例）を示した図である。水のう１の袋体３（本願請求項における「袋体」の一例）の素材には、少なくとも一部が透水性を有するシート材（本願請求項における「シート材」の一例）であって、かつ、前記吸水性ポリマーは透過させないシート材として不織布を用いた。点線にて囲まれる部分は、袋体３の内部を表しており、袋体３に吸水性ポリマー５が内包されている様子を示している。また、破線にて縫い目を示しているように、水のう１の縁部７（本願請求項における「縁部」の一例）は二重に縫い合わせてある。吸水性ポリマー５は、二重に縫い合わせた縁部７の内部に全て収納されている。 FIG. 1 is a view showing a water tank 1 (an example of “water tank” in the claims) according to an embodiment of the present invention. The material of the bag body 3 of the water tank 1 (an example of the “bag body” in the claims of the present application) is a sheet material (an example of the “sheet material” in the claims of the present application) that is at least partially permeable. And the nonwoven fabric was used as a sheet material which does not permeate | transmit the said water absorbing polymer. A portion surrounded by a dotted line represents the inside of the bag 3 and shows a state in which the water absorbent polymer 5 is included in the bag 3. Further, as indicated by the broken line, the edge portion 7 of the water tank 1 (an example of the “edge portion” in the claims of the present application) is stitched twice. The water-absorbing polymer 5 is all housed inside the edge portion 7 that is sewn double.
水のう１は、乾燥時には、１つが約１５０ｇと軽量であり、折り畳み可能なシート状の形状であるため、お年寄りから子供まで災害時に誰でも素早く設置可能である。 When the water tank 1 is dry, one is as light as about 150 g and has a foldable sheet shape. Therefore, anyone can quickly install it at the time of a disaster from the elderly to children.
また、水のう１は、このような軽量のものでも最大約１２リットル（５００ｍＬペットボトル２４本分）の水を５−１０分間で吸水し、保持可能である。このとき、図２に示すように、水のう１は、体積が増大する。図２は、吸水前後の水のうの体積変化の一例を示す図であり、（ａ）乾燥時、及び、（ｂ）吸水時の水のうの一例を示す図である。 In addition, the water tank 1 can absorb and hold water of up to about 12 liters (for 24 500 mL PET bottles) in 5 to 10 minutes even if it is such a lightweight one. At this time, as shown in FIG. 2, the volume of the water tank 1 increases. FIG. 2 is a diagram illustrating an example of a change in the volume of water tank before and after water absorption, and is a diagram illustrating an example of water tank during (a) drying and (b) water absorption.
さらに、水のう１の袋体３は、不織布を用いたことに加えて縁部７を二重に縫製したことにより、車が載っても破れない程の強度を有する。このため、グラウンドや建設現場のように強度が要求される作業場所でも安心して水処理を行うことができる。 Furthermore, the bag body 3 of the water tank 1 has such a strength that it cannot be broken even if a car is placed by sewing the edge portion 7 in addition to using a nonwoven fabric. For this reason, water treatment can be performed with peace of mind even in work places where strength is required, such as grounds and construction sites.
さらに、水のう１が全体としてシート状の形状であるため、玄関・扉・シャッターなどの建築物の一部と地面との隙間に差し入れて設置可能である。このため、建築物内部への浸水を防止するのに適している。 Furthermore, since the water tank 1 has a sheet-like shape as a whole, it can be installed in a gap between a part of a building such as an entrance / door / shutter and the ground. For this reason, it is suitable for preventing water from entering the building.
図３は、設置場所からの水のうの移動を防止するストッパー９と連結する連結部１３（本願請求項における「連結部」の一例）を複数備えた水のう１１を示した図である。ストッパー９（本願請求項における「ストッパー」の一例）は、水のう１１に縫い付けられたリング状の布である連結部１３に通されることで、水のうに連結されている。 FIG. 3 is a view showing a water tank 11 provided with a plurality of connecting parts 13 (an example of “connecting parts” in the claims of the present application) that are connected to a stopper 9 that prevents movement of water tanks from the installation location. . The stopper 9 (an example of a “stopper” in the claims of the present application) is connected to the water tank by passing through the connecting portion 13 which is a ring-shaped cloth sewn to the water tank 11.
図４は図３のストッパー９付き水のう１１をドア１５に設置した様子を示す図である。ドア１５の閉鎖時に建物内にストッパー９があり、建物外に水のう１１の吸水部の大部分があり、水のう１１の吸水部がドアと床面との隙間を跨ぐようにを水のう１１を設置する。ここで、ストッパー９が閉鎖された建物内にあるため、風雨等の影響で水のうが移動することを防ぐことができる。 FIG. 4 is a view showing a state in which the water tank 11 with the stopper 9 of FIG. When the door 15 is closed, there is a stopper 9 inside the building, and there is a large part of the water absorption part of the water tank 11 outside the building, and the water absorption part of the water tank 11 crosses the gap between the door and the floor surface. Nou 11 is installed. Here, since the stopper 9 is in the closed building, it is possible to prevent the water tank from moving due to the influence of wind and rain.
また、複数の連結部１３に棒状のストッパー９が連結されることにより、風雨などで水のう１１が多少動いたとしても、容易にはストッパー９が連結部１３から外れることを抑制できる。 Further, since the rod-like stoppers 9 are connected to the plurality of connecting portions 13, even if the water tank 11 moves somewhat due to wind and rain, the stopper 9 can be easily prevented from coming off the connecting portions 13.
また、図５は、建築物の隙間に本考案に係る水のうを設置した場合の吸水前後の変化の概要を示す図である。図５に示すように、水のう１１が吸水することで膨張し体積が増せば、ドア１５と床面との隙間が水のう１１によって塞がれるため、水のう１１を建物に安定に固定することが可能となる。 Moreover, FIG. 5 is a figure which shows the outline | summary of the change before and behind water absorption at the time of installing the water tank which concerns on this invention in the clearance gap between buildings. As shown in FIG. 5, when the water tank 11 expands by absorbing water and the volume increases, the space between the door 15 and the floor surface is blocked by the water tank 11, so that the water tank 11 is stabilized in the building. It becomes possible to fix to.
なお、図３及び図４では接続具として棒状のストッパーを用いた例を示したが、ストッパーは、建築物の一部と連結するものであってもよい。例えば、水のうと建築物とを連結するチェーン等であってもよい。水のう１１の吸水部が床面と建物の開閉具の隙間を跨ぐように設置されれば、水のう１１が吸水し膨張することで、建物と床面との隙間が埋まり、水のうは建物に固定されるため、ストッパーにより水のうが建物に完全に固定される必要はなく、ある程度の余裕があっても構わない。 In addition, although the example which used the rod-shaped stopper as a connection tool was shown in FIG.3 and FIG.4, a stopper may be connected with a part of building. For example, the chain etc. which connect a water tank and a building may be sufficient. If the water absorption part of the water tank 11 is installed so as to straddle the gap between the floor surface and the opening / closing tool of the building, the water tank 11 absorbs water and expands, thereby filling the space between the building and the floor surface. Since the sea urchin is fixed to the building, it is not necessary for the water tank to be completely secured to the building by the stopper, and there may be some margin.
また、縁部は、さらに強度を増すために三重、四重と縫製したものであってもよい。 Further, the edge may be sewn with triple or quadruple to further increase the strength.
さらに、本考案に係る水のうは、袋体の縁部等の一部に砂等の重り（本願請求項における「重り」の一例）を備えてもよい。これにより、コンパクトで軽いという水のうの特徴を極力残しつつ、吸水前に設置した水のうが風雨の影響で動いてしまうことを抑制することが可能となる。特に、建築物に用いる水のうの場合、吸水前のわずかな時間であっても軽量な水のうが浮いてしまうことによる浸水の被害が懸念される。そのため、このような重りが吸水前の水のうを地面に押さえつけることで、浸水被害を防止することがさらに容易となる。 Furthermore, the water tank according to the present invention may be provided with a weight such as sand (an example of “weight” in the claims of the present application) on a part of the edge of the bag body. As a result, it is possible to suppress the movement of the water tank installed before water absorption due to the influence of wind and rain, while leaving the characteristics of the water tank compact and light as much as possible. In particular, in the case of a water tank used for a building, there is a concern that the light water tank will float even if it is a short time before water absorption. For this reason, it becomes easier to prevent inundation damage by pressing the water tank before absorbing water against the ground.
さらに、本考案に係る水のうは、袋体内部の吸水性ポリマーを交換可能なものであってもよい。 Furthermore, the water tank according to the present invention may be capable of replacing the water-absorbing polymer inside the bag.
さらに、本考案に係る水のうは、再利用可能なものであってもよい。再利用の方法としては、例えば、天日で自然乾燥することによってもよい。あるいは、水のうをバケツなどの容器に移し、海水（塩水）又は塩化カルシウム等の離水剤を加えた１０〜１５％濃度水に約１０〜２０分浸して、保水していた吸水性ポリマーを離水させてもよい。 Furthermore, the water tank according to the present invention may be reusable. As a method of reuse, for example, it may be naturally dried in the sun. Alternatively, transfer the water tank to a container such as a bucket, and soak the water-absorbing polymer that has been retained for about 10-20 minutes by immersing it in 10-15% concentration water to which a water release agent such as seawater (salt water) or calcium chloride is added. You may make it water-separate.
さらに、本考案に係る水のうの重さや体積は、用途に合わせて変更可能である。主な用途としては、例えば、台風や大雨などの緊急災害、防災現場、住宅・店舗・事務所・倉庫・車庫などの建築物への浸水防止や漏水防止、複数階の建築物における階下への水漏れ防止、屋外グラウンド・ゴルフ場・テニス場での残水処理、地下道への流入防止、給排水管の漏水対策、建築物老朽化に伴う雨漏り対策や緊急時対応、ドアの隙間の浸水予防等が挙げられる。 Furthermore, the weight and volume of the water tank according to the present invention can be changed according to the application. Major applications include, for example, emergency disasters such as typhoons and heavy rains, disaster prevention sites, prevention of inundation and leakage to buildings such as houses, stores, offices, warehouses and garages, and downstairs in multi-storey buildings Prevention of water leakage, residual water treatment at outdoor grounds, golf courses and tennis fields, prevention of inflow into underground passages, measures against water leaks in water supply and drainage pipes, measures against rain leaks and emergencies due to aging of buildings, prevention of inundation of gaps in doors, etc. Is mentioned.
１・・・水のう、３・・・袋体、５・・・吸水性ポリマー、７・・・袋体の縁部、９・・・ストッパー、１１・・・ストッパー付き水のう、１３・・・リング状の布、１５・・・ドア
DESCRIPTION OF SYMBOLS 1 ... Water tank, 3 ... Bag body, 5 ... Water-absorbing polymer, 7 ... Edge of bag body, 9 ... Stopper, 11 ... Water tank with stopper, 13 ... Ring cloth, 15 ... Door
Claims (7)
前記袋体の素材として、少なくとも一部が透水性を有するシート材であって、かつ、前記吸水性ポリマーは透過させないシート材を用いた水のう。 A water tank comprising a water-absorbing polymer and a bag containing the water-absorbing polymer;
As a material of the bag body, water is used using a sheet material that is at least partially permeable to water and does not allow the water-absorbing polymer to permeate.
前記連結部は、リング状の形状である、請求項４記載の水のう。 It is a sheet-like shape as a whole,
The water tank according to claim 4, wherein the connecting portion has a ring shape.
The water tank according to any one of claims 4 to 6, further comprising a weight having a specific gravity greater than that of water.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2014001986U JP3191970U (en) | 2014-04-16 | 2014-04-16 | Water tank |
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| JP2014001986U JP3191970U (en) | 2014-04-16 | 2014-04-16 | Water tank |
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| JP3191970U true JP3191970U (en) | 2014-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020007056A (en) * | 2018-07-03 | 2020-01-16 | シバタ工業株式会社 | Vehicle push-up device and vehicle push-up device |
| KR102629486B1 (en) * | 2023-06-19 | 2024-01-26 | 주식회사 리코디오코리아 | Easy dam for door |
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2014
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020007056A (en) * | 2018-07-03 | 2020-01-16 | シバタ工業株式会社 | Vehicle push-up device and vehicle push-up device |
| JP7233072B2 (en) | 2018-07-03 | 2023-03-06 | シバタ工業株式会社 | Vehicle push-up device and vehicle push-up method |
| KR102629486B1 (en) * | 2023-06-19 | 2024-01-26 | 주식회사 리코디오코리아 | Easy dam for door |
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