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JP3674985B2 |
PURPOSE: To desirably drain soil water to the outside even if high earth pressure is imparted. CONSTITUTION: A soil water drainage material is composed of a non-woven fabric. Fibers constituting the non-woven fabric comprise thermoplasti...
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JP2005194807A |
To provide a drain material which combines sufficient strength against earth pressure with the excellent function of discharging redundant water etc., and a drain material which can easily recover the discharge function decreased due to ...
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JP2005179896A |
To form a water collecting/draining hole by a simple method, and to surely prevent the water collecting/draining hole from being closed with earth pressure.A water collecting/draining member 1 comprises: a water collecting/draining jacke...
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JP3660726B2 |
To use waterworks as normal even if suspension of water supply or power failure occurs or both occur. A body 1 is provided with a water supply pipe 2, an air supply pipe 3, a sediment drain pipe 4, and a water discharge pipe 5. An openin...
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JP2005139891A |
To provide a material for filling capable of preventing vitreous small pieces of foaming igneous rock (obsidian perlite) from scattering, having excellent water permeability, strength, and workability, and allowing a packing material to ...
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JP3654424B2 |
To forms a drain structure with high drainage ability without using a great amount of coarse grain material for a levee. On the river back side of a dam body 2, a cage drain part 15 allowing inflow of seepage water from the dam body 2 is...
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JP2005054357A |
To provide a culvert capable of solving such a problem that the conventional culvert constituted of a firing earthenware pipe or vinyl chloride has low absorptivity because of having no collecting hole in the case the culvert uses the fi...
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JP2005048538A |
To enhance constructibility by uniforming a drainage rate and a water supply rate.A closed conduit member 10 is equipped with an almost rectangular-parallelepiped-shaped block 12; a first through-hole 22 and a second through-hole 28 hori...
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JP3616970B2 |
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JP2005016193A |
To provide a regulating lock capable of easily regulating the length of a riser in a culvert drain valve used for culvert drainage in a paddy field or a soil irrigation facility.This regulating lock comprises a lock riser 4 fixedly erect...
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JP2004324390A |
To provide a culvert cleaning device for removing mud adhering in a culvert pipe buried in a field and removing a clogging and an underground irrigation device to crops utilizing a culvert drain pipe.Water from a water way for an irrigat...
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JP3584963B2 |
To heighten compressive strength and installation stability, improve productivity and prevent public pollution by forming resin into a coil spring and doubly connecting the coil springs laterally for a noise eliminating pavement road or ...
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JP3585875B2 |
To provide a paddy field water level-adjusting device which can adjust a paddy field water level in a scope of about 1 m ranging from 20-30 cm on the surface of the paddy field to 70-80 cm under the ground. This paddy field water level-a...
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JP2004290188A |
To provide a material for covering drain, having higher adaptability to the environment than ever.This material 4 for covering drain is so formed that a carbonized material obtained by carbonizing a carbon-containing component is laid un...
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JP2004293077A |
To provide a closed conduit burying groove for preventing earth and chaff from being compressed by the passing of a tractor, and preventing the earth from sinking even when the volume reduces since the chaff corrodes.A shape of the close...
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JP2004278221A |
To provide a block for a closed conduit for restraining the deterioration in the drain function even if positional dislocation is caused a little in the mutual blocks for the closed conduit.This block 10 for the closed conduit forms mutu...
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JP2004257123A |
To maintain the excellent drainage performance for a drainable paving body over a long period of time and to promote recycling of an asphalt waste material produced by repairing the drainable paving body.The drain pipe 5 buried in a wate...
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JP2004232326A |
To provide a closed conduit endurable against long-term use by maintaining a stable shape as the closed conduit when providing a closed conduit block by using a wooden piece chip for contributing to recycling of the wooden piece chip.A b...
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JP3554731B2 |
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JP2004218270A |
To provide a closed conduit laying machine for preventing the center of gravity from being arranged in the rear of a self-traveling car body, and arranging a suction pipe even on the corner side of a paddy field.The self-traveling car bo...
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JP2004156419A |
To provide a construction method for a double section underdrainage system which does not need various kinds of materials used in the conventional construction method, and to provide an underdrain excavator for enabling the construction ...
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JP3532464B2 |
To obtain a horizontal drain having an extremely large draining capacity by installing a plurality of water-absorptive bleeding channel ropes in parallel to the radial direction between water-permeable upper and lower external covers and...
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JP2004142288A |
To provide equipment for manufacturing a porous pipe suitable particularly for an underdrain pipe, from waste vinyl.This manufacturing equipment for the porous pipe has a vinyl sheet forming means which has a pair of rollers so disposed ...
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JP3526831B2 |
To provide a culvert forming device capable of constructing a culvert in a rice field without making a U-turn even if a rice field path exists. This culvert forming device is provided with an earth cutting shank 11 fixed to a fixing devi...
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JP3517758B2 |
PURPOSE: To prevent the contamination of water-quality environment by installing two or more of spillways and discharging spilled water, pollution of which is reduced, to the outside of a reclaimed land from one or more of the spillways ...
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JP3518619B2 |
PURPOSE: To provide a material which is used for reinforcement of an embankment or a soft ground and prevention of scouring and which provides permeability on the stuck face of a flexible course net with a large tensile strength and a no...
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JP2004084412A |
To provide a working machine that improves working performance and moving performance by improving the arrangement of an excavating and cultivating tine unit, in a working machine capable of improving a field environment by promoting per...
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JP3498247B1 |
[wrap up] [Task] It is a structure that can be used in places where the direction of water is changed in agricultural and industrial waterways and drainage channels, etc., and it is extremely difficult for water to leak from the connecti...
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JP3497955B2 |
To provide a drainage structure using a constitutional material rich in a bending property without extremely lowering catchment function due to blinding by dirt, etc., as well as light in weight, favourable in workability at the time of ...
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JP2004041891A |
To provide a material recycling system for rock wool which efficiently treats a rock wool-containing waste having the difficulty of recycling among construction waste and recycles the same as water treatment material.The material recycli...
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JP3495850B2 |
To eliminate a necessity of replacement of permeation layers by forming a permeation layer made of a non-corrosive material on a closed conduit drain pipe provided in a ditch which is digged and refilling soil on it. A tip of a drain pip...
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JP3493494B2 |
PURPOSE: To provide a simply constructed, labor-saving and inexpensive vegetation waterway structure capable of eliminating errosion or breakage of the waterway by laying a vegetation mat obtained by integrally laminating a fiber mat, to...
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JP2004019427A |
To provide a rack in use for easily constructing a soil drain pipe, when it is placed.Piles 1 are driven into a drilled trench at equal spaces and screw bolts 2 are threaded into screw grooves of the heads of the piles 1 for a supporting...
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JP3487423B2 |
To provide a screw type relief well with a regulating hole allowing the drainage flow of a culvert to be regulated as desired. This screw type relief well with the regulating hole is provided with a socket part provided with an external ...
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JP2004011245A |
To provide a drain pipe body having a separation function of a fluid from a solid material, particularly a culvert drainage pipe embedded in the ground and used therein, separating the liquid and sand, collecting the liquid and dischargi...
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JP3485862B2 |
To bury a drain pipeline constructing pipe in the ground by an advancing construction method by using the drain pipeline constructing pipe having a catchment function. This drain pipeline constructing pipe 1 is constituted by integrally ...
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JP3479063B2 |
To provide a burying structure, a structure of culvert, globular charcoal, and a method of manufacturing globular charcoal capable of maintaining an excellent environment by solving environmental and social problems. In this structure of...
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JP2003342942A |
To provide a drain pipe enabling reducing treatment of nitrogen in simple constitution. The drain pipe 1 is provided with an outer pipe 2; an inner pipe 3 provided in the inside of the outer pipe 2; and a first layer 4 and a second layer...
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JP2003328334A |
To provide a container for storing soil that can prevent the outflow of soil held inside by preventing a sheet laid inside, from being buried in the soil when filling the soil inside.An approximately rectangular bottom face part 2, and s...
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JP2003321867A |
To recycle a used glass bottle for being disposed of as a discarded material, by using a foam glass material for a drainage system, more excellent in water permeability than conventional infiltration facilities, and an execution method t...
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JP2003301443A |
To provide a lock for paddy field, which allows the easy operation of an opening/closing lid and can surely prevent water leakage from between an opening part of a water passing pipe and the opening/closing lid.The cylindrical water pass...
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JP3459007B2 |
To provide a method and a device for laying a mat in soil, which enable the nourishment of the favorable soil, and a mat-like member used for them. A long hole (2) is automatically formed in the soil along the surface of the soil, and th...
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JP3459412B2 |
To improve a water collecting capacity by re-drilling water collecting and draining pipes with reduced water collecting and draining function with a drilling device having a simple operating mechanism. Water collecting and draining pipes...
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JP2003293351A |
To make drain water smoothly flow for a long time of period by preventing sand and refuse (straw cuttings, wood tips) from clogging into holes and inflowing into an underground porous drain pipe used for drying a playground or park in wh...
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JP3455913B2 |
To provide a reinforcing frame capable of effectively preventing the right and left side wall parts of a U-shaped groove from being expanded inward and deformed. This reinforcing frame 1 fitted to the U-shaped groove 2 is a substantially...
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JP2003284429A |
To provide a water retainable construction material for civil engineering, making it possible to rapidly discharge water when a soil part for growing plants, or a soil dressing part with no plants such as a playground or the like contain...
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JP3451546B2 |
To eliminate such a possibility that an earthenware pipe is laterally shifted when gravel or the like are placed from the side of the pipe although a conventional earthenware pipe for a culvert is cylindrically shaped and laid in a ditch...
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JP3444531B2 |
To easily load and unload coil springs and perforated pipes in accordance with places to be buried in seepage water drain members connecting the coil springs and perforated pipes alternatel and to provide a drainage structure capable of ...
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JP3438332B2 |
PURPOSE: To excellently conduct the water passing function of a water passing device, and to facilitate positioning at the time of the execution of the water passing device in the water passing device disposed in the lower section of a r...
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JP2003225018A |
To provide a working machine which can promote the water permeability and water drain of a field to amend the environment of the field.This working machine comprises a hydrophobic material- receiving tank 20 loaded on a working frame 10 ...
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