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1. 发明专利

JP2001062210A DEHYDRATING DEVICE FOR SLUDGE 失效
公开(公告)号：JP2001062210A
公开(公告)日：2001-03-13
申请号：JP24190899
申请日：1999-08-27
申请人： TOYO CONSTRUCTION , CHOONPA KK , FUJI ENG
发明人： MORITA KENJI , AKIBA HIDEKI , TOTSUGI MASAYUKI , OKAZAKI SATOSHI
IPC分类号： B01D25/12 , C02F11/12
摘要： PROBLEM TO BE SOLVED: To provide a dehydrating device for sludge free from plastic deformation of a filter plate caused by pressure difference with a simple structure. SOLUTION: In the pressure dehydration carried out by pressing one end side with a pressing means such as a hydraulic jack and forcibly feeding the sludge with a forcibly feeding sludge pump or the like from another end side, the plastic deformation of filter plates 1, 2 caused by the pressure difference between a filter press part for forcibly dehydrating the high concentration sludge and a filter press part for forcibly dehydrating low concentration sludge is prevented by the repulsive force of an intermediate reinforcing material 6, which is generated by butting and elastically deforming the intermediate reinforcing material 6 composed of an elastic body provided at the same place of both surfaces of a 1st filter plate and a 2nd filter plate 2 or at one surface of the same side of one of the 1st filter plate and the 2nd filter plate.

2. 发明专利

JPH10245113A BELT CONVEYER AND CONVEYING METHOD 失效
公开(公告)号：JPH10245113A
公开(公告)日：1998-09-14
申请号：JP5319497
申请日：1997-03-07
申请人： TOYO CONSTRUCTION , KOKUDO KOKI KK
发明人： KAWANISHI RYUICHI , MORITA KENJI , ARIGA TERUO
IPC分类号： B65G15/08 , B65G15/60
摘要： PROBLEM TO BE SOLVED: To provide a conveying means suitable to convey soil from a shield machine to a carriage for conveying the soil inside a tunnel with a small diameter and a bending form being excavated. SOLUTION: For this conveying means, a U-shaped belt conveyer is used. The endless belt 3 of this U-shaped belt conveyer is arranged in upper side and lower side between rollers, and rotated and moved. And a first guide member 4 to guide as well as to support the upper feeding part 3a of the endless belt 3 from lower side consists of a fixed round rod form member. That is, since the first guide member 4 has no movable part such as a carrier roller, the thickness of the upper and the lower conveyer can be made thin. As a result, by using the first guide member 4 in the U-shaped belt conveyer with a relatively large upper and lower width, the upper and lower width of the U-shaped belt conveyer can be made narrower. Consequently, a U-shaped belt conveyer which can convey a conveyed material in the bending condition can be used in a narrow place such as a tunnel with a small diameter.

3. 发明专利

JPH1037239A EARTH AND SAND TRANSPORTATION/IMPROVEMENT SYSTEM 失效
公开(公告)号：JPH1037239A
公开(公告)日：1998-02-10
申请号：JP21435796
申请日：1996-07-25
申请人： TOYO CONSTRUCTION
发明人： GOTO SEIICHI , KYODA MASATAKA , MORITA KENJI , SASAKI YASUHIRO
IPC分类号： E02F7/10
摘要： PROBLEM TO BE SOLVED: To mix effectively an improvement agent into earth and sand without sacrificing the efficiency of air force feed. SOLUTION: A static mixer 23, which is projectingly provided with a plurality of blades 22 in the inner surface of a pipe 21, is interposed in an area near the lower end of a transportation pipeline 11 which feeds earth and sand with the force of air. A cement-based slurry is injected from an injection nozzle 25 to the upstream side of this mixer 23. The earth and sand is agitated and mixed with the cement-based slurry, thereby producing improved earth and sand. The improved earth and sand are air force fed to the destination by way of the following transportation pipeline.

4. 发明专利

JPH07197466A SUSPENDING DEVICE OF UNDERWATER WORKING MACHINE 失效
公开(公告)号：JPH07197466A
公开(公告)日：1995-08-01
申请号：JP35319693
申请日：1993-12-28
申请人： TOYO CONSTRUCTION
发明人： SARAZAWA KAORU , HORI MASAICHI , JINNO NOBUYUKI , NOMURA MASASHI , MORITA KENJI
IPC分类号： E02D15/10 , B63B27/08 , B66C13/00
摘要： PURPOSE:To safely cope with high waves in works at high wave zone, by absorbing the slack of a hanging wire from a working craft at the time when a working machine is installed on the bottom of water. CONSTITUTION:A pair of fixed sheaves 6 guiding a wire 12 extended from a winch 11 to suspend a working machine 1 and a movable sheave 17 hooking the wire 12 between the fixed sheaves 16 are disposed on the support base 13 of a tower 14 erected on a craft 10. The movable sheave 17 is equipped so as to be transferable as far as a specified distance. A weight 19 is connected to the movable sheave 17 to absorb the slack of wire 12 by the movement of sheave 17 when the working machine 1 is installed on the bottom of water. When lifting up the working machine, the movement of the movable sheave 17 is regulated at a position near the fixed sheave 16 to give a specified tension to the wire 12.

5. 发明专利

JP2002115235A SHEET TO BE LAID UNDERWATER, AND METHOD FOR LAYING THE SAME 失效
公开(公告)号：JP2002115235A
公开(公告)日：2002-04-19
申请号：JP2001114431
申请日：2001-04-12
申请人： SHIBATA IND CO LTD , TOYO CONSTRUCTION
发明人： NISHINO YOSHIO , MORITA KENJI
IPC分类号： E02B3/12 , E02B3/18
摘要： PROBLEM TO BE SOLVED: To provide a sheet to be laid underwater, which is obtained by connecting a plurality of sheets together at sea and settling the same on the sea bottom to cover seabed fill materials, etc., wherein a problem of being incapable of winding or folding the sheet because of a plurality of buoyant bodies attached to the sheets, and a problem of requiring huge amounts of labor of removing all of the buoyant bodies by divers when the sheets are settled, are eliminated, the buoyant bodies being attached to the sheet in order to suspend and expand the sheets when connected together. SOLUTION: The sheet to be laid underwater is obtained by attaching the buoyant bodies which are long and flatly deformable, at least onto both longitudinal sides of the respective sheet main bodies. According to the method for laying the sheet to be laid underwater, side portions of the respective sheet main bodies are connected to each other in one body, and after connection of the sheet main bodies, the buoyant bodies are removed. Whereby the sheet main bodies can be settled and laid on an area for arrangement.

6. 发明专利

JPH10239141A DEVICE AND METHOD FOR METERING MATERIAL FOR CONSTRUCTION AND GROUND IMPROVEMENT METHOD 失效
公开(公告)号：JPH10239141A
公开(公告)日：1998-09-11
申请号：JP3925497
申请日：1997-02-24
申请人： TOYO CONSTRUCTION
发明人： ISANO TAKASHI , MAKINO EIICHI , MORII KAZUYUKI , MORITA KENJI , SUGIMOTO ATSUSHI
IPC分类号： E02D3/08 , G01G17/00 , G01G23/01
摘要： PROBLEM TO BE SOLVED: To improve the working efficiency and the metering accuracy by reading a measurement result that is obtained by a weight-measuring means for also measuring the change in a load that is generated owing to vibration in time series, filtering out a noise with an filtering means, and metering a material for contraction based on the measurement result from which the noise is removed. SOLUTION: A dynamic distortion amplifier 25 transducer the potential of load cells 22a, 22b, and 22c into an electrical signal and outputs it. The dynamic distortion amplifier 25 has a noise filtering circuit 25r for filtering out a noise due to vibration. The noise filtering circuit 25r filters out an AC component by passing an electrical signal for indicating the amount of displacement of load cells 22a, 22b, and 22c through an analog filter and at the same time, performs a running average processing through a running averaging circuit. More specifically, a nearly constant electrical signal can be outputted through the noise filtering circuit 25r even if the load of a target to be metered changes and a noise is superposed on the amount of displacement of the load cells 22a-22c, thus resulting in a nearly equal value as an electrical signal that is outputted when the target is measured statically.

7. 发明专利

JPH09276612A METHOD AND APPARATUS FOR DEWATEIRNG TREATMENT OF SLUDGE 失效
公开(公告)号：JPH09276612A
公开(公告)日：1997-10-28
申请号：JP8796796
申请日：1996-04-10
申请人： TOYO CONSTRUCTION , FUJI ENG
发明人： OKADA MANABU , GOTO SEIICHI , KAWANISHI RYUICHI , MORITA KENJI , OKAZAKI SATOSHI
IPC分类号： B01D25/12 , B01D25/172 , C02F11/00 , C02F11/12
摘要： PROBLEM TO BE SOLVED: To provide an economical dewatering treatment means for sludge by which dewatered cakes with low water contents are efficiently produced. SOLUTION: A metal frame 4 attached to a filter plate 2 is arranged on the opposite to an outer circumference of a filter frame 3 of a filter press main body 1, a slide stopper which can freely slide in the direction parallel to the metal frame 4 is arranged on the opposite to the metal frame 4 to support the filter plate 2, and prior to the pressure dewatering, the slide stopper is moved forward to form a filter chamber 6 with a constant thickness to make it possible to inject sludge and after pressure dewatering of the sludge injected into the filter chamber 6 is completed, the slide stopper is moved backward to the original position to make it possible to press dewater the sludge. It is preferable that the thickness of the filter chamber 6 is made to be 24-50mm and it is also preferable that the shift to the press dewatering process is done at the time when the flow rate of a filtered liquid at the time of pressure dewatering is lowered more than a prescribed ratio and further it is preferable that a solidifying material is added to the sludge before sending it to the filter press main body 1 by pressure.

8. 发明专利

JPH0868071A METHOD AND EQUIPMENT FOR REMOVING OBSTRUCTION 失效
公开(公告)号：JPH0868071A
公开(公告)日：1996-03-12
申请号：JP22884994
申请日：1994-08-30
申请人： TOYO CONSTRUCTION , CHIYODA KENKI KK
发明人： FURUKAWA YOSHIO , HORI MASAICHI , MORITA KENJI , SATO KATSUMI
IPC分类号： E02F3/92
摘要： PURPOSE: To remove an obstruction positively from the dredging range of a dredger without pulling the obstruction onto a ship. CONSTITUTION: A rake-shaped fixed scraper 41 with a plurality of teethe is fixed onto the front of a casing 16 for a dredger, and movable scrapers 42 being lifted and lowered and driven by cylinders 43 and having edges 54 in undersides are fitted to the teeth of the fixed scraper 41. Obstructions are removed from the derdging range of the dredger 1 by the fixed scraper 41 while the movable scrapers 42 are brought down at proper timing, and the obstructions captured among the teeth of the fixed scraper 41 are scraped away.

9. 发明专利

JP2002273108A CONTROL SYSTEM FOR PRIMARY DEHYDRATION PROCESS IN TWO- STAGE PRESSING DEHYDRATION TREATMENT APPARATUS FOR SLUDGE 失效
公开(公告)号：JP2002273108A
公开(公告)日：2002-09-24
申请号：JP2001080861
申请日：2001-03-21
申请人： TOYO CONSTRUCTION , FUJI ENG
发明人： MORITA KENJI , AKIBA HIDEKI , OKAZAKI SATOSHI
IPC分类号： B01D25/12 , C02F11/12
摘要： PROBLEM TO BE SOLVED: To increase the treatment quantity of sludge as compared with the present dehydration treatment apparatus by further enhancing dehydration work efficiency. SOLUTION: In the control system of the primary dehydration process in a filter press type two-stage pressing dehydration treatment apparatus, it is detected that the filter chamber formed between filter frames comprising an elastic material has a predetermined width and the movement of a filter plate is stopped when the detection result shows the predetermined width.

10. 发明专利

JPH11350490A UNDERWATER PLACING METHOD FOR SEDIMENT AND DEVICE 失效
公开(公告)号：JPH11350490A
公开(公告)日：1999-12-21
申请号：JP17060798
申请日：1998-06-03
申请人： TOYO CONSTRUCTION
发明人： KYODA MASATAKA , SASAKI YASUHIRO , MORITA KENJI , AKIBA HIDEKI
IPC分类号： E02D15/10
摘要： PROBLEM TO BE SOLVED: To place the pneumatically force-fed improved sediment stably and efficiently in the water. SOLUTION: The improved sediment 2 pneumatically force-fed by a transportation pipe 1 is guided into a cyclone 4 together with air 3, and the improved sediment 2 is separated from the air 3. When the boundary face of the separated improved sediment 2 rises to the upper limit position in the cyclone 4 from a placing pipe 5, an exhaust valve 22 in an exhaust pipe 19 is opened based on the signal from an upper limit sensor 31A, the air pressure in the cyclone 4 is increased, the improved sediment 2 is pushed into the placing pipe 5 by this air pressure, a check valve 30 at the tip of the placing pipe 5 is opened by this pushing pressure, and the improved sediment 2 is discharged to a placing object. When the boundary face of the improved sediment 2 in the placing pipe 5 is lowered to the lower limit position, the exhaust valve 22 is opened based on the signal from a lower limit sensor 31B. When these actions are repeated, the improved sediment 2 separated by the cyclone 4 is intermittently discharged from the placing pipe 5.

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