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1. 发明专利

JP2002322667A DEEP-DIGGING CLAMSHELL 失效
公开(公告)号：JP2002322667A
公开(公告)日：2002-11-08
申请号：JP2001126016
申请日：2001-04-24
申请人： HITACHI CONSTRUCTION MACHINERY , DOUEI KOGYO KK
发明人： IKUTA MASAHARU , NUNOYAMA TADAYOSHI
IPC分类号： E02F3/47 , E02F5/02
摘要： PROBLEM TO BE SOLVED: To provide a deep-digging clamshell reducing the number of hydraulic hoses without enlarging the scale of a supporting body of a clamshell bucket and capable of digging the bottom part of a manhole for a sewerage deeper than a conventional one. SOLUTION: A winch 11 is attached to a bracket 12 attached to a working link 7 of a self traveling working machine 1. The clamshell bucket 9 is supported by a wire rope 10 wound around and fed out by the winch 11. The single hydraulic hose 35 wound around a hose reel 36 attached to the working link 7 or the bracket 12 is connected to the clamshell bucket 9. The clamshell bucket 9 is provided with an energizing means energizing a bucket shell in a constantly opening direction and a cylinder closing the bucket shell by a pressure oil fed by the hydraulic hose 35.

2. 发明专利

JPH10131278A WASHING METHOD FOR SEWAGE PIPE 失效
公开(公告)号：JPH10131278A
公开(公告)日：1998-05-19
申请号：JP29980596
申请日：1996-10-25
申请人： DOUEI KOGYO KK
发明人： NUNOYAMA TADAYOSHI
IPC分类号： E03F9/00 , B08B9/02 , B08B9/04
摘要： PROBLEM TO BE SOLVED: To remove dirt on a bottom of a crossing pipe and a wall of the pipe in a sewage system by stretching over a wire which connects a spherical body between manholes in the downstream and the upstream and moving the spherical body forcedly by a winch by repeating it from the downstream side to the upstream side. SOLUTION: First, solid filth 4 on a bottom of a manhole in the downstream 15 is discharged by a clamshell 19. Next, a wire 11 which connects a hollow spherical body 7 is stretched over between manhole in the upstream and the downstream 13 and 15 to arrange the spherical body 7 on a bottom 5a of a crossing pipe 5. The spherical body 7 is wound up by winches 17, 18 from a start point A to an end point B. An inside diameter of the crossing pipe 5 is reduced by the spherical body 7, water pressure and flow speed of sewage water 25 are increased, and an eddy current is generated in the vicinity of the spherical body 7 to remove oily filth 27 adhered on a wall of the pipe and solid filth 4 adhered on the pipe bottom 5a. After this work is repeated twice or three times, the spherical body 7 is arranged on an upper wall 5b and is moved forcedly from C point to D point to remove the oily filth 27 on the wall face of the pipe. The solid filth 4 and the oily filth 27 which are removed are discharged by a clamshell 19.

3. 发明专利

JPH0933771A TRANSMISSION LINE PROTECTION DEVICE AND SEWERPIPE CLEANING METHOD USING SAME 失效
公开(公告)号：JPH0933771A
公开(公告)日：1997-02-07
申请号：JP20403795
申请日：1995-07-19
申请人： DOUEI KOGYO KK
发明人： NUNOYAMA TADAYOSHI
IPC分类号： G02B6/44 , C03C25/10 , G02B6/46 , H04B10/00 , H04B10/07
摘要： PROBLEM TO BE SOLVED: To provide the cleaning method for a sewerpipe which prevents an optical fiber from being damaged by jet water for cleaning, sewage, solid bodies, etc., in the sewerpipe which strike on the optical fiber. SOLUTION: The protection device which has a beltlike protection sheet 10 mounted between a support rod 11 and a tension device 12 by using wires 18 fitted both its edges is prepared; and the protection sheet 10 is inserted and arranged in the sewerpipe 20 to be cleaned and the support rod 11 and tension device 12 arranged in both the manholes 15 and 16 positioned on both the sides of the sewerpipe 20 respectively. The support rod 11 is engaged with the flank of the manhole 15 and in this state, the tension device 12 is placed in operation to draw the wire 18 and give specific tension, thereby making both the edges of the protection sheet 10 about against specific positions on the inside surface 20a of the sewerpipe 20. Consequently, the optical fiber 37 arranged in the sewerpipe 20 is covered. Even when the inside of the sewerpipe positioned in the lower space of the protection sheet 10 is cleaned in this state by using jet water, none of the jet water strikes on the optical fiber 37 because of the protection sheet 10.

4. 发明专利

JPS57182987A METHOD AND DEVICE FOR FORMING MOLD OF SOLDERLESS TERMINAL TO BE ELECTRICALLY CONNECTED 失效
公开(公告)号：JPS57182987A
公开(公告)日：1982-11-11
申请号：JP6897181
申请日：1981-05-08
申请人： DOUEI KOGYO KK
发明人： YAMAGUCHI ROKUROU
IPC分类号： H01R43/16 , H01R43/00

5. 发明专利

JPS55154082A METHOD OF MANUFACTURING PIN PLUG 失效
公开(公告)号：JPS55154082A
公开(公告)日：1980-12-01
申请号：JP6095379
申请日：1979-05-17
申请人： DOUEI KOGYO KK
发明人： YAMAGUCHI ROKUROU
IPC分类号： H01R13/04 , H01R43/00 , H01R43/24

6. 发明专利

JP2007016494A Wire threading machine for use in inverted siphon in sewerage 审中-公开
标题翻译：用于在SEWERAGE的反相SIPHON中使用的线形螺纹机
公开(公告)号：JP2007016494A
公开(公告)日：2007-01-25
申请号：JP2005199529
申请日：2005-07-08
申请人： Douei Kogyo Kk , 動栄工業株式会社
发明人： MOROMI KANAME , NUNOYAMA SHOICHI
IPC分类号： E03F9/00
摘要： PROBLEM TO BE SOLVED: To provide a wire threading machine for use in an inverted siphon in sewerage, which can easily, quickly, and positively set a threading wire, and is not limited by the length of the inverted siphon that is an object to be cleaned.
SOLUTION: A main body 1 of the wire threading machine, which is movably inserted into the inverted siphon to thread the wire into the inverted siphon, is formed like a truncated cone or a sphere of a solid or a hollow sealed body. The main body 1 has a threading wire mounting fitting 4 formed on a rear portion thereof, to which the threading wire 10 is connected. Further the main body 1 has a deadweight 5 arranged on a lower portion thereof, and a sealed air portion 7 on an upper portion thereof. The entire body of the wire threading machine has a specific gravity of the same in the range of 0.8 to 0.98, and the center of gravity is located in the height range of 15 to 40% the height of the main body 1.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于下水道中的倒虹吸的线穿线机，其可以容易地，快速地并且确定地设置穿线，并且不受限于反向虹吸的长度待清洗的物体电缆穿线机的主体1可动地插入反相虹吸线中以将线材拧入反相虹吸管中，形成为截锥体或实心球体或中空密封体。主体1具有形成在其后部的螺纹丝安装配件4，螺纹线10连接到该安装配件4。此外，主体1具有布置在其下部的自重体5，在其上部具有密封空气部分7。线穿线机的整体的比重在0.8〜0.98的范围内，重心位于主体1的高度的15〜40％的高度范围内。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2004116057A Flushing method for sewer pipe 审中-公开
公开(公告)号：JP2004116057A
公开(公告)日：2004-04-15
申请号：JP2002278817
申请日：2002-09-25
申请人： Douei Kogyo Kk , 動栄工業株式会社
发明人： NUNOYAMA TADAYOSHI
IPC分类号： E03F9/00
摘要： PROBLEM TO BE SOLVED: To provide a flushing method for sewer pipes avoiding problems in working safety and improving working efficiency.
SOLUTION: A flow changing ball 7 is put in a sewer pipe 1, filth remaining in or sticking to the inside of the sewer pipe is removed by forcedly moving the ball 7 in the direction opposite to the outflow direction of the sewer. The flushing method is constituted of a first process in which the ball is arranged on the pipe bottom 5a in the sewer pipe 1 and is forcedly moved and a second process in which the flow changing ball 7 is arranged in the upper wall 5b of the sewer pipe 1 after completion of the first process and is forcedly moved a plurality of times.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2003253645A BAG FOR SANDBAG 审中-公开
公开(公告)号：JP2003253645A
公开(公告)日：2003-09-10
申请号：JP2002057936
申请日：2002-03-04
申请人： DOUEI KOGYO KK
发明人： NUNOYAMA TADAYOSHI
IPC分类号： E02B3/04
摘要： PROBLEM TO BE SOLVED: To completely stop the water by sandbags, to prevent the leakage of the water to the sand in the sandbag, and to recycle the sand. SOLUTION: Margin parts a, b, c, d are formed on six faces of a rectangular parallelepiped case 10 in a state of being outwardly directed. All of the margin parts a, b, c, d of the faces 1-6 are respectively expandable. An opening part 7 is formed by superposing a face material on an upper face 1. The face material of each face is a water-proof material. When the refuse from road and river flows in accompany with overflow stream in flooding and the like, the margin parts a, b, c, d of the faces 1, 2, 3, 4, 5, 6 of the stacked bags for sandbags are omnidirectionally expanded. Whereby the margin parts a, b, c, d of the faces 1, 2, 3, 4, 5, 6 act as check valves, the refuse flowing in accompany with overflow stream are held back, and the closure between the sandbags is completed. COPYRIGHT: (C)2003,JPO

9. 发明专利

JP2000248612A WIRE PASSING MACHINE FOR SEWAGE PIPE 失效
公开(公告)号：JP2000248612A
公开(公告)日：2000-09-12
申请号：JP5435599
申请日：1999-03-02
申请人： DOUEI KOGYO KK
发明人： NUNOYAMA TADAYOSHI
IPC分类号： E03F9/00
摘要： PROBLEM TO BE SOLVED: To install easily and quickly a wire to be passed and eliminate limitation of the length of a sewage pipe as the subject of cleaning. SOLUTION: A body 1 used for passing a wire inserted movably through a sewage pipe through the pipe is formed in the form of a hollow and closed cylinder, the tip 3 is streamlined, and a concaved portion 5 is formed in the rear end. A wire mounting portion 4a to connect a wire 6 is provided in the concaved portion 5. The body 1 is provided with rollers 9 that roll along the inwall of the sewage pipe 15 and a weight 11 is provided along the longitudinal direction of the periphery.

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