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JP6959689B1 |
To prevent the invasion of earth and sand or the like into the bottom of a groove formed by excavation, secure a predetermined cross section, and efficiently lay a water absorption pipe and fill a hydrophobic material. In a drainage unde...
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JP6948544B2 |
To provide a seat laying device capable of easily laying a seat in an underdrain tube burial groove.A seat laying device for laying a seat on a bottom of a previously formed underdrain tube burial groove includes an in-groove moving body...
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JP3233303U |
To provide a water channel pit which solves the problem of dust accumulation by increasing the speed of flowing water with respect to the flowing water wall surface of the water channel pit. This is a waterway pit characterized by projec...
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JP6901143B2 |
To provide a ground surface layer drainage method that can drain water from a surface layer of the ground or the like in an extremely efficient manner.The ground surface layer drainage method according to the present invention includes t...
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JP6899113B1 |
To remove a corrugated tube from a buried head only by pulling the buried head from the ground. A first arm 10 connected to a traction mechanism 2 and provided rearward and movable in the vertical direction, a second arm 12 provided down...
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JP6897957B2 |
To provide a culvert pipe laying apparatus which can reliably and efficiently lay down a culvert pipe and fill a hydrophobic material into a groove formed by a groove forming portion.The present invention comprises a groove forming porti...
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JP6856339B2 |
To provide a mole drain formation device which can form multiple mole drains at the same time and can improve a formation efficiency of the mole drain.A mole drain formation device comprises an attachment frame 14 in a perpendicular dire...
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JP6840421B2 |
To provide a cylindrical fabric which is use as a drain pipe for collecting and draining water contained in the soil in cliffs and the like.The cylindrical fabric constituted of warp threads 2 and weft threads 3 woven into a tubular shap...
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JP6797099B2 |
To provide a farm field vertical port path formation device in which, a rice husk introduction guide member has a collapse expansion part capable of collapsing and expanding an aperture angle edge part formed by a ground level and inside...
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JP6797098B2 |
To provide a channel formation device in which, a rice husk introduction guide member has a collapse expansion part for collapsing and expanding an aperture angle edge part formed by a ground level and puncture mark groove for forming an...
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JP6792868B2 |
To provide a bullet ditch forming apparatus having a structure in which its blade can form a groove smoothly by avoiding adverse effects due to stones buried underground, or straws or roots near a ground.A blade 16 in a bullet ditch form...
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JP2020183620A |
To provide a formwork for a rising portion and a method of constructing a rising portion that can easily construct the rising portion of an underdrain.A formwork 10 for a rising portion is a formwork used when constructing a rising porti...
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JP2020180529A |
To provide a culvert pipe supply box and a culvert formation device which enable a culvert pile to be laid down without damaging.A culvert pipe supply box 22 is a box continuously provided on the rear part of an excavation part 20 of a c...
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JP6757663B2 |
To provide a drainage system capable of preventing water from entering the soil in a building area from the outside of a building such as a plastic greenhouse.In a drainage system 1 using a drainage path 10 attached to a building 30, the...
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JP6757659B2 |
To provide a drainage system that can prevent infiltration of water into the soil in the building area from outside the building such as a vinyl house.In a drainage system 1 using an open ditch 11 placed alongside of a building 30, the o...
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JP3227106U |
To provide a soil drainage device capable of efficiently draining water from soil without being affected by the topography of a place where it is installed. The internal space is divided into an upper space R1 on the upper plate 13 side ...
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JP6709670B2 |
CONSTITUTION: An electric actuator 10 for a farm field includes a body case 20, and is fitted to a water supply device (104) such as a water supply valve or a drainage device (106) such as a water dropping port. The body case includes a ...
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JP6645811B2 |
To provide a housing-type water level adjusting lock gate that enables water level adjustment to be made readily, enhances durability, and is buried completely under a furrow so as not to interfere with other work and therefore enhances ...
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JP6647098B2 |
To provide a groove formation device enabling efficient input of a filter material into a groove formed by a groove formation part.A groove formation device includes a groove formation part 13 for forming a groove in a ground while being...
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JP6644930B1 |
To provide a valve which does not cause unevenness in water stoppage by smoothly moving when raising and lowering a valve body. A T-shaped pipe 12 having a vertical portion 14 and a horizontal portion 16 and a valve body 22 arranged insi...
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JP6615401B1 |
To provide a valve capable of achieving good water stoppage even when the water pressure is insufficient. A T-shaped pipe 12 having a vertical portion 14 and a horizontal portion 16 and a valve body 22 arranged inside the vertical portio...
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JP3223873U |
To provide a shore protection member which is less likely to be an obstacle during work performed on a shore. It has a second edge 15 facing a first edge 13, holds a corrugated iron 10 embedded in a shore, and a first edge 13 of the corr...
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JP6592555B1 |
To bury an underdrain pipe for drainage in a field. Sediments such as earth and sand and slime stay inside the pipe and block the inside of the pipe. When the underdrain pipe was blocked, it was necessary to remove the sediment inside, b...
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JP2019165693A |
To provide a water supply automatic cut-off device for farm field capable of easily acquiring a prescribed height of a water level in a farm field.A water supply automatic cut-off device 3 comprises: a water gauge unit 4; and a valve bod...
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JP6496230B2 |
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JP6459153B2 |
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JP2018174829A |
To provide a downsized rice paddy water level regulating device of a simple structure.A rice paddy water level regulating device comprises: a cylindrical body 40 having an opening 44 on a side face; a water gate part 60 which is housed i...
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JP6372949B2 |
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JP6353863B2 |
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JP6353864B2 |
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JP6340733B2 |
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JP6342200B2 |
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JP2018084096A |
To solve the problem in which there is no way to eliminate mud caused by rainwater and groundwater accumulated at the foot of the slope of paddy fields.MEANS FOR SOLVING THE PROBLEM: In a container and a building structure utilizing a ve...
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JP6322079B2 |
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JP6317005B2 |
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JP6298725B2 |
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JP6255262B2 |
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JP6245548B2 |
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JP6247666B2 |
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JP6245547B2 |
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JP6247665B2 |
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JP6218183B2 |
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JP2017141656A |
To provide a bullet body for forming a bullet closed conduit and a travel work machine having the same, capable of forming the closed conduit in the vicinity of slope land of including a slope face of a depression, even in deep soil of a...
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JP6165195B2 |
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JP6155263B2 |
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JP6148695B2 |
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JP6142370B2 |
A multi-filtration auto-drainage/irrigation pipe includes a pipe body, which includes a first drainage and irrigation channel, a second drainage and irrigation channel, a third drainage and irrigation channel, a first drainage and irriga...
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JP6136824B2 |
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JP6136823B2 |
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JP6070660B2 |
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