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Document Title |
JP3178190U |
To provide a water amount adjusting water port capable of changing the diameter of an opening by using a pipe having an opening so as to keep the water level of a paddy field constant. A fixed pipe 2 with a rectangular opening is attache...
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JP4997324B2 |
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JP2012132276A |
To provide an injecting device of hydrophobic material for a culvert, capable of efficiently injecting hydrophobic material for the culvert.A device (10) comprises a lower portion (12) having a couple of side walls which are disposed fac...
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JP3176109U |
To provide an unglazed porcelain pipe for underdrain drainage, which can easily cover a terminal of an underdrain drainage channel and has excellent workability and durability. An unglazed porcelain pipe 1 for drainage of an underdrain c...
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JP4950619B2 |
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JP2012082648A |
To provide a repair structure of an existing collection drainage pipe, capable of easily and surely suppressing propagation of iron bacteria inside the existing collection drainage pipe buried underground, making clogging in the existing...
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JP4871645B2 |
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JP4873724B2 |
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JP4849579B1 |
To provide a mobile underdrain drainage pipe burying device capable of automatically adjusting the depth of introduction of a hydrophobic material in any soil quality. The traveling body 2, a light receiving part 51 of laser light, an ex...
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JP4817787B2 |
To provide a soil improving particulate matter excellent in hydrophobic property and growing property, having durability, and enabling the effective use of lime ash generated from a pressure fluidized-bed combined-cycle power generation ...
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JP2011205941A |
To provide a drainage measuring box enabling a user to confirm that water for use supplied to a paddy field overflows from the drainage measuring box from a distance in spite of having an inexpensive and simple structure.The drainage mea...
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JP4792579B2 |
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JP4761507B2 |
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JP4761499B2 |
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JP2011163041A |
To provide a water catchment structure of a closed conduit, which can easily and quickly recover from clogging and can maintain water permeability for a long period of time, and to provide a method of recovering a water catchment functio...
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JP4747114B2 |
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JP4751763B2 |
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JP4747115B2 |
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JP4745103B2 |
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JP4740829B2 |
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JP4722127B2 |
The present invention concerns a plastics infiltration block adapted for combining multiple infiltration blocks into an underground construction for infiltration or attenuation purposes. The infiltration block has an essentially rectangu...
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JP4711231B2 |
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JP2011106220A |
To provide a drain pipe excellent in water absorption/drainage function, which can be laid simply and rapidly even at a site of unstable ground.The drain pipe is characterized in that an outer peripheral thickness cross section in a long...
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JP4677089B2 |
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JP4677635B2 |
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JP4675130B2 |
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JP4660804B2 |
A porous pipe having an excellent absorbing and draining function, a producing apparatus capable of producing a porous pipe at high speed and low cost, and a method of producing a porous pipe are provided. The porous pipe is a pipe forme...
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JP4636290B2 |
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JP4623473B2 |
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JP2011017408A |
To provide a reducer for invert matching, formed of an earthenware pipe and easily joining two earthenware pipes of different bore diameters without causing inverse draft and without causing a large gap.The reducer 21 for invert matching...
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JP2011017228A |
To provide a deformed pipe having no local back draft and gap at the connected part thereof to a straight pipe.This deformed pipe for pipe bottom connection in which the centers of a main pipe and a branch pipe are not aligned with each ...
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JP4621443B2 |
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JP4621438B2 |
To provide a mole drain forming device, a method and a mole drain having a structure superior in drainage performance, capable of forming the mole drain superior in drainage performance by efficiently and uniformly inputting and filling ...
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JP4615688B2 |
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JP3165084U |
To provide a grooving machine which blocks the infiltration of mud from the upper and rear openings of the grooving means to prevent the grooving means from becoming heavy and suppresses a decrease in work efficiency such as propulsion a...
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JP4605900B2 |
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JP4585931B2 |
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JP2010255190A |
To provide a siphon groundwater level control system which can efficiently control the groundwater level of the whole field by enhancing drainability when the water level is high as in the case of heavy rain.In this siphon groundwater le...
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JP2010255361A |
To provide a furrow opening blade of a paddy field furrow opener, facilitating removal of sand and earth entering into the furrow opening blade, and facilitating cleaning of the tool used for the removal.The furrow opening blade 20 inclu...
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JP4579031B2 |
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JP3163199U |
To provide a drainage irrigation piping device for preventing a large amount of earth and sand particles from flowing into a pipeline of a drainage irrigation port and causing a clogging problem. The drainage irrigation piping device is ...
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JP2010173142A |
To provide a device for manufacturing culvert drainage pipe structure using industrial waste having structure suitable for molding culvert drainage pipe structure comprising a horizontal pipe path and a penetration part by effectively ut...
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JP2010154787A |
To provide a structure and a method for connecting pipes which prevent damage on water-cutoff performance and/or disengagement of pipes even by vertical movement due to frost mound of the ground, land sinkage due to riding of farm workin...
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JP4498558B2 |
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JP4493630B2 |
To solve problems of a conventional device for draining ground water wherein a high water pressure is applied to a drainage well 9 since the water level in the drainage well 9 (liner plate) is suddenly raised by sliding clods in a landsl...
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JP4477883B2 |
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JP4442724B2 |
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JP2010005500A |
To provide a water percolation pipe for cleaning sludge by regenerating FRP scrap or gypsum board scrap.As a measure to prevent dust production from the scrap and to mitigate alkalinity of regenerated scrap, when the scrap is crushed, a ...
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JP4392784B2 |
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JP4371293B2 |
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