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1. 发明专利

JPH1161798A CASING PIPE IN DRAIN MATERIAL DRIVING DEVICE 失效
公开(公告)号：JPH1161798A
公开(公告)日：1999-03-05
申请号：JP22631597
申请日：1997-08-22
申请人： I H I AMUTETSUKU KK , NIPPON KAIKO KK
发明人： KUWANA MASASHI , NOBUHARA NOBUYUKI , TAKAHASHI OSAMU , KAIZU TAKUYA , OKUBO JUNZO
IPC分类号： E02D3/10
摘要： PROBLEM TO BE SOLVED: To make a drain material guide in a casing pipe as pipe construction to simplify the construction in a drain material driving device, at the same time, facilitate piping work of supply hose used for oil pressure, etc., and to provide the casing pipe capable of facilitating the introduction of the drain material. SOLUTION: A pair of pipes 11a and 11a or two sets of guide bodies 11 and 12 making 12a and 12a as one set are so arranged to the inside of a casing pipe 1 for driving a drain material D that they are opposed to each other with the axial center section as the middle part at required intervals S. The drain material D passes through between both guide bodies 11 and 12, and a supply hose 14 used for oil pressure, etc., to a cylinder device provided to the lower end of the casing pipe 1 is laid to the guide bodies 11 and 12.

2. 发明专利

JPH1161797A AIR VALVE OF CASING PIPE IN DRAIN MATERIAL DRIVING DEVICE 失效
公开(公告)号：JPH1161797A
公开(公告)日：1999-03-05
申请号：JP22631497
申请日：1997-08-22
申请人： I H I AMUTETSUKU KK , NIPPON KAIKO KK
发明人： KUWANA MASASHI , NOBUHARA NOBUYUKI , TAKAHASHI OSAMU , KAIZU TAKUYA , OKUBO JUNZO
IPC分类号： E02D3/10
摘要： PROBLEM TO BE SOLVED: To open a valve with high air tightness without impairing a drain material even if there is the belt drain material in a drain material driving device and to enable the introduction of compressed air to a casing pipe. SOLUTION: As an air valve 20 provided to the head of a casing pipe for a driving material D is equipped with a pair of elastic valve bodies 28 and 29 opposed to each other with a drain material piercing part as the middle part and providing at least one side toward the other side in an approachable and movable manner are provided to the inside of a valve main body 23 having slot-like access openings 24 and 25 for passing through vertically the belt drain material, and it is so constituted that the valves can be opened in a state to elastically hold the belt drain material D between both elastic valve bodies 28 and 29. Rubber elastic bodies 28b and 29b internally touched to the valve main body 23 are provided to opposite surfaces of both elastic valve bodies 28 and 29, and they are so provided that the access openings can be closed by the rubber elastic bodies 28b and 29b in a state to close the valves.

3. 发明专利

JP2747924B2 失效
公开(公告)号：JP2747924B2
公开(公告)日：1998-05-06
申请号：JP13902489
申请日：1989-06-02
申请人： NIPPON KAIKO KK
发明人： TOYODA SHIGEO , HIRAMATSU MASAO , KAIZU TAKUYA
IPC分类号： E02D3/08 , E02D3/10

4. 发明专利

JPH09310338A ANCHOR ATTACHING DEVICE FOR SHEET-FORM DRAIN MATERIAL 失效
公开(公告)号：JPH09310338A
公开(公告)日：1997-12-02
申请号：JP15046996
申请日：1996-05-23
申请人： NIPPON KAIKO KK
发明人： INABA YOSHIJI , KAIZU TAKUYA , OKUBO JUNZO
IPC分类号： E02D3/10
摘要： PROBLEM TO BE SOLVED: To provide a device to perform a safe, highly efficiency, and automatic attachment of a precedingly driven drain material to the cut part of a subsequent driving sheet-form drain material and an anchor to the subsequent driving sheet-form drain material, in a construction method wherein a sheet-form drain material is used for improvement of a soft ground. SOLUTION: An anchor 80 is attached to the tip of the sheet-form drain material 9 fed through a mandrel 8 elevatably guided by a mandrel guide 4 vertically moved along a leader, and the mandrel 8 is driven in a soft ground down to a given depth. When the sheet-form drain material is left remaining in the soft ground by a given length and only the mandrel 8 is lifted, the mandrel is provided at a lower part with an anchor containing device, a sheet-form drain material holding and positioning device 40, a lower sheet-form drain material holding device 50, a sheet-form drain material cutting device 60, and a device 70 to fix an anchor to the sheet-form drain material.

5. 发明专利

JP2002333362A SYSTEM FOR MEASURING SURFACE LEVEL OF FILLED SUBSTANCE IN CASING PIPE 失效
公开(公告)号：JP2002333362A
公开(公告)日：2002-11-22
申请号：JP2001139967
申请日：2001-05-10
申请人： NIPPON KAIKO KK
发明人： OKAYAMA YOSHIKUNI , KUJI KIYOHARU , KAIZU TAKUYA , IWATA KOZO , SATO KOICHI
IPC分类号： E02D1/00 , G01B21/02 , G01F23/28 , G01F23/284
摘要： PROBLEM TO BE SOLVED: To provide a system for measuring a surface level of a filled substance which can correctly and surely measure a top end level of contents filled in a casing pipe when measuring a height level to the contents in the casing pipe. SOLUTION: A distance measuring device 1 is set in a predetermined manner of a position fixing method, or a suspension method or the like mobile method to a top end face of the contents inside the casing pipe 2. Data on the level detected by the distance measuring device is transmitted to a computer 13 of a base machine 3. Measured data is automatically subtracted from the length of the casing pipe through automatic control, and data noises are cut by processing by software or the like manner. The level of the contents is calculated accordingly.

6. 发明专利

JP2002188137A ROUND IMPROVEMENT METHOD AND DEVICE 失效
公开(公告)号：JP2002188137A
公开(公告)日：2002-07-05
申请号：JP2000390379
申请日：2000-12-22
申请人： NIPPON KAIKO KK , KUMAGAI GUMI CO LTD
发明人： WATANABE NORIO , INABA KEIJI , KAIZU TAKUYA , NISHIDA NAOTO , KUJI KIYOHARU , HATTORI MASAHIRO
IPC分类号： E02D3/08 , E02D3/10
摘要： PROBLEM TO BE SOLVED: To finish a compaction construction method of an auger by one time execution work, to accomplish the function of a constructed structure by eliminating the fear of causing liquefaction, and to inexpensively and safely perform a ground improvement method with excellent working efficiency by reducing manhours. SOLUTION: An execution plant is introduced and set to the improving object ground, an infilling improving material 14 is inputted between an outside casing auger 9 erected along the leader 6 and a thrust screw 18 arranged inside, a high pressure fluid is injected, pressurized, and contracted toward the side from a delivery port 6 bored and formed in a tip part of the thrust screw 18, the infilling improving material filled by injecting, pressurizing and contracting a flexible seal bag arranged in a packer type in the delivery port 6 is compacted and fastened, an underground pile according to design is created, the seal bag 24 allows relative rotation to a rod 18 via a co-rotation preventive mechanism, and is not damaged by being fixed by the frictional force.

7. 发明专利

JPH035516A PRESS FITTING MECHANISM OF SAND AND CRUSHED STONE INTO GROUND 失效
公开(公告)号：JPH035516A
公开(公告)日：1991-01-11
申请号：JP13902489
申请日：1989-06-02
申请人： NIPPON KAIKO KK
发明人： TOYODA SHIGEO , HIRAMATSU MASAO , KAIZU TAKUYA
IPC分类号： E02D3/08 , E02D3/10
摘要： PURPOSE:To work discharge pressure on a shoe part, and by automatically releasing each nail piece by forming having the point of a screw for filling material discharge connected to the taper envelope of a conical shoe. CONSTITUTION:A screw 3' integrated into a rotational axis 4', and a screw 3'' running along an envelope 13 approximating a shoe 8' provided on the point of a casing pipe main body 2', are continuously provided. By rotational pressure of the screws 3', 3'', nail pieces 9' supported by a hinge pin 12 of the shoe 8' are released, whereby a filling material is forcibly ejected into the ground from the shoe 8'. An elevating mechanism of screw is thus unnecessary, and with the simple structure, durability can be improved, too.

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