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1. 发明专利

JP2003227128A DRAIN DRIVING METHOD AND DRAIN DRIVING APPARATUS 审中-公开
公开(公告)号：JP2003227128A
公开(公告)日：2003-08-15
申请号：JP2002259491
申请日：2002-09-05
申请人： PENTA OCEAN CONSTRUCTION , KINJO RUBBER CO LTD
发明人： UEDA MASAKI , IKEDA SHOZO , SUGIHARA HIROAKI , KIMURA MICHIHIRO
IPC分类号： E02D3/10
摘要： PROBLEM TO BE SOLVED: To eliminate an inconvenience of a conventional drain driving method and a conventional drain driving apparatus, such as an increase in construction cost, because the conventional drain driving method requires additional preceding excavation by a machine or employment of a large machine if the ground is cohesive ground mixed with mudstone, lower ground of cement solidified soil, or ground mixed with hard soil such as sand gravel layer lower ground. SOLUTION: According to a new drain driving method and a new drain driving apparatus, a casing having an acute head formed at the tip thereof or having a breaker attached to the tip thereof is driven to hard ground together with a board drain, and the hard ground is crushed by the breaker at the tip. Then, the casing is driven to soft ground, and the breaker and the casing are drawn from the soft ground while the drain is left as it is. A crushing bit of the breaker may be stored in the casing as needed. Alternatively, the casing having a boring head with closed blades attached to the tip thereof is driven to the hard ground together with the board drain, and the boring head has its blades expanded to crush the hard ground. Then, the casing is driven to the soft ground by closing the blades of the boring head, and the boring head and the casing are drawn from the soft ground while the drain is left as it is. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2002256528A UNDERWATER INSTALLING METHOD AND DEVICE OF SHEET-LIKE OBJECT 失效
公开(公告)号：JP2002256528A
公开(公告)日：2002-09-11
申请号：JP2001053315
申请日：2001-02-28
申请人： PENTA OCEAN CONSTRUCTION
发明人： KONDO TOSHIO , IKEDA SHOZO
IPC分类号： E02B3/12
摘要： PROBLEM TO BE SOLVED: To provide an underwater installing method of a sheet-form object installable in an accurate position, and capable of improving execution quality. SOLUTION: A water injection bag 2 for revealing shape keeping performance by expanding in a prescribed shape by injecting water inside and a float bag 3 for revealing buoyancy by injecting gas are integrally or removably installed on the sheet-like object 1 to be installed in the water such as a water bottom surface. The water is injected into the water injection bag 2, the gas is injected into the float bag 3, respectively, and the sheet-like object 1 is floated by expansively opening in a prescribed shape, and is moved on a sheet-like object installing position in the state. The sheet-like object is sunk in the installing position in a state of reducing buoyancy by removing the float bag 3 or exhausting the gas in the float bag.

3. 发明专利

JP2002242220A INSTALLATION METHOD FOR WORK CAISSON AND CUT-OFF STRUCTURE THEREOF 失效
公开(公告)号：JP2002242220A
公开(公告)日：2002-08-28
申请号：JP2001045117
申请日：2001-02-21
申请人： PENTA OCEAN CONSTRUCTION , TOYO TIRE & RUBBER CO
发明人： IKEDA SHOZO , SUGIHARA HIROAKI , SATO YOSHIYUKI
IPC分类号： E02D31/06 , E01D21/00 , E01D22/00 , E01D24/00 , E02D37/00
摘要： PROBLEM TO BE SOLVED: To provide an installation method for a work caisson and a cut-off structure thereof capable of increasing the continuity on a cut-off face on which cut-off tubes are cut and separated and joining end parts mutually and simply. SOLUTION: The cut-off structure of the work caisson is constituted such that at least one section of the cut-off tube 5 provided along an inner face in a lower part of the work case is cut and separated, and this cut and separated end part 5a is inserted into a sleeve 6 of the other end part 5b to join them annularly in the work case joining a pair of hollow units 2 by a hinge 3, rotating centered on the hinge 3, and formed like a ring having a square plan.

4. 发明专利

JP2000273865A DEVICE FOR PLACING FLUIDITY SOLIDIFYING TREATMENT MATERIAL ON WATER BOTTOM 失效
公开(公告)号：JP2000273865A
公开(公告)日：2000-10-03
申请号：JP8431699
申请日：1999-03-26
申请人： PENTA OCEAN CONSTRUCTION
发明人： IKEDA SHOZO , MATSUMOTO AYUMI
IPC分类号： E02D15/06
摘要： PROBLEM TO BE SOLVED: To build up a fluidity solidifying treatment material placed on a water bottom without being washed away by water and prevent the diffusion of mud earth during placing. SOLUTION: A sheetlike surface covering member 3 covering a surface of fluidity solidifying agent placed on a water bottom from a lower end of a solidifying treatment material flowing down cylinder is fixed on the lower end of the flowing down cylinder 1 flowing down a fluidity solidifying treatment material to which cement and other solidifying agent is added onto the water bottom. One or a plurality of water pouring bags 4 which expand up to a predetermined shape by pouring water therein to provide a shape holding property are attached to the surface covering member 3.

5. 发明专利

JP2000192461A FORM FOR WATER BOTTOM STRUCTURE CREATION AND WATER BOTTOM FILLING METHOD USING SAME 失效
公开(公告)号：JP2000192461A
公开(公告)日：2000-07-11
申请号：JP36645698
申请日：1998-12-24
申请人： PENTA OCEAN CONSTRUCTION
发明人： IKEDA SHOZO , NAKAJIMA KATSUJI
IPC分类号： E02D15/08
摘要： PROBLEM TO BE SOLVED: To facilitate form assembling working or the like on a water bottom by forming it of a flexible maternal such as a rubber or synthetic rubber, integrally having a water injection part making one or a plurality of hollow cylinders, performing widening by filling the water injection part with water and demonstrating form holding. SOLUTION: A form material 1 is molded of a flexible material whose whole makes a main body of a rubber or synthetic rubber, and a water injection part 12 is integrally possessed on the center position of the width direction of a plate-like part making a rectangular shape toward a longitudinal direction. A water injection opening 13 with an opening and closing valve is provided on the water injection part 12, and water injection and drainage can be performed from the water injection opening. The form material 1 is made a foldable flat plate in a state where water is not injected in the water injection part 12, and the water injection part 12 is expanded to have form holding by filling the water injection part with water. Thus, carrying-in of the form to a water bottom can be easily performed and setting working of the form on the water bottom is enabled without a support such as a crane.

6. 发明专利

JPH11229426A FITTING STRUCTURE OF ARTICLE ARRANGED IN PIPE 失效
公开(公告)号：JPH11229426A
公开(公告)日：1999-08-24
申请号：JP2962098
申请日：1998-02-12
申请人： PENTA OCEAN CONSTRUCTION
发明人： IKEDA SHOZO , NOMOTO GIICHI , HAYASHI KENTARO
IPC分类号： E02F7/00 , B01F15/02
摘要： PROBLEM TO BE SOLVED: To maintain and inspect an article such as an injection pipe or the like for a hardener, arranged in a pipe without suspending transportation of soil or the like to be conveyed. SOLUTION: A fitting part 2 is fixed to the outer peripheral side of a transportation pipe 1 so that the inside space of the fitting part communicates with the inside space of the transportation pipe 1. A holding member 12 constituting a holding part for an article arranged in the pipe is detachably fixed, in the fitting part 2. An injection pipe 10 constituting the article arranged in the pipe is protruded into the inside space of the transportation pipe 1 when it is used and retracted from the inside space of the transportation pipe 1 when it is maintained or inspected, so as to be freely extensible or contractible. A gate valve 4 is installed openably/closably so that the inside space of the fitting part 2 is partitioned to the holding member 12 side and the transportation pipe 1 side when the injection pipe 10 is retracted from the inside space of the transportation pipe 1.

7. 发明专利

JPH11229425A ADDITIVE INJECTOR 失效
公开(公告)号：JPH11229425A
公开(公告)日：1999-08-24
申请号：JP2961698
申请日：1998-02-12
申请人： PENTA OCEAN CONSTRUCTION
发明人： IKEDA SHOZO , NOMOTO GIICHI , MATSUSHITA HIROSHI
IPC分类号： E02F7/00 , B01F5/00 , B01F15/02 , E02F7/10
摘要： PROBLEM TO BE SOLVED: To evenly inject a hardener into soil in a transportation pipe for soil. SOLUTION: Two relatively small diameter injection pipes 10, 10 are equipped in the upstream and downstream sides of the inside space of a relatively large diameter tramsportation pipe 1 so as to cross the space in the diametral direction at right angle against each other. A plurality of discharge holes 10a, 10a,... are parallelly arranged in the longitudinal direction of respective injection pipes 10, in a plurality of positions from the outer peripheral side of the inside space of the transportation pipe 1 to the central side. The flow of solid conveyed in the transportation pipe 1 is divided into four portions by the injection pipes 10, 10 and a hardener is delivered from respective discharge holes 10a in the flow of divided soil to form laminar hardener layers in the divided soil and add the hardener from the outer peripheral part of the soil flow to the central part.

8. 发明专利

JPH1193168A METHOD AND APPARATUS FOR UNDERWATER SCATTERING OF SOIL AND SAND 失效
公开(公告)号：JPH1193168A
公开(公告)日：1999-04-06
申请号：JP27191797
申请日：1997-09-19
申请人： PENTA OCEAN CONSTRUCTION
发明人： IKEDA SHOZO , TERAMOTO AKIRA , SATAKE KAZUHIKO , NAKABA MASAYUKI
IPC分类号： E02D15/10
摘要： PROBLEM TO BE SOLVED: To prevent water pollution, and facilitate the control of a placing quantity of soil and sand by setting a valve for making an inlet and outlet changeable in sand-discharging chambers provided juxtaposedly, and conducting the charge and drainage of soil and sand on one side while conducting spray on the other side. SOLUTION: A sand-discharging case 10 having sand discharging chambers 9a, 9b furnished with an openable bottom surface 6, a soil and sand charging port 7, and drainage port 8 is suspended in the upper vicinity of a water bottom part via a hook 11 such as a crane provided on a clamshell dredger. The charging port 7 and drainage port 8 of soil and sand are made to charge soil and sand within the purge a changeable valve, and also made to drain muddy water by a drainage hose 14. After the accumulated soil and sand within the sand discharging chambers is scattered on the water bottom completely, and the sand-discharging chamber 9b is filled with soil and sand so some extent, the charge and drainage of soil and sand is changed to the sand discharging chamber 9a by changing the valve, and the bottom surface 6 of the sand discharging chamber 9b is opened so as to scatter the accumulated sand to the water bottom. As such, the occurrence of pollution can be prevented during construction.

9. 发明专利

JPH10140838A ARTICLE HOISTING DEVICE 失效
公开(公告)号：JPH10140838A
公开(公告)日：1998-05-26
申请号：JP31686596
申请日：1996-11-14
申请人： PENTA OCEAN CONSTRUCTION
发明人： NAKABA MASAYUKI , IKEDA SHOZO
IPC分类号： E04G21/16
摘要： PROBLEM TO BE SOLVED: To solve the problem with article hoisting devices of the prior art that horizontal movement of a counterweight is troublesome and takes time. SOLUTION: This article hoisting device is designed to hang a hanging load 3 from one end of a hanger main body 2 via a spring 4 as a counterweight 7 is moved over the hanger main body 2 by a movement means in proportion to the elongation of the spring 4. In this case, the movement means comprises a hydraulic cylinder 9 producing hydraulic pressure in proportion to the elongation of the spring 4 and a hydraulic cylinder 8 driven by the hydraulic pressure to move the counterweight 7 over the hanger main body 2.

10. 发明专利

JPH1043797A AERATING AND AGITATING DEVICE OF DOMESTIC ANIMAL DUNG 失效
公开(公告)号：JPH1043797A
公开(公告)日：1998-02-17
申请号：JP20057596
申请日：1996-07-30
申请人： PENTA TECHNO SERVICE KK , PENTA OCEAN CONSTRUCTION
发明人： YAMAGUCHI RYOYA , ARAGAKI NORIO , IKEDA SHOZO
IPC分类号： C02F3/20 , B01F3/04 , B01F5/02 , B01F13/02 , C02F11/02 , C02F11/06
摘要： PROBLEM TO BE SOLVED: To make it possible to efficiently aerate and agitate dung without the occurrence of clogging by provide a dung storage tank with a cylindrical body which has communicating openings at the top and bottom and is sunk in this tank, supporting this cylindrical body at supplying legs apart a spacing on the base of the storage tank and opening many air injections nozzle on the inner peripheral surface of the lower part of the cylindrical body. SOLUTION: At the time of use, the cylindrical body 10 is sunk into the dung in the dung storage tank and the legs 25 are grounded to the base. When air is ejected out of the respective air injection nozzles 24 by supplying the compressed air by an air feeder 23 in this state, the ejected air comes into contact with the dung in the cylindrical body 10 and supplies oxygen to the dung. While the dung is agitated, the air is risen by the buoyancy thereof. Namely, the dung in the cylindrical body 10 is lifted by an air lift effect and is delivered from a discharge port 15 at the top end. On the other hand, the dung is sucked from a suction port 16 at the bottom end and is circulated and agitated. The scum of the hard surface of the dung is approximately annihilated and slurried and the state of allowing the suction up by a pump is attained.

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