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1. 发明专利

JPH07229110A SCAFFOLDING FLOOR CONSTRUCTION FOR SUSPENSION BRIDGE CABLE ERECTION 失效
公开(公告)号：JPH07229110A
公开(公告)日：1995-08-29
申请号：JP4339394
申请日：1994-02-18
申请人： HOKKAIDO KAIHATSUKIYOKU MURORA , NIPPON STEEL CORP , KOBE STEEL LTD , MATSUI WIRE NETTING IND
发明人： NISHIMOTO SATOSHI , KIYOMI HIROHIDE , SATO KOJI , TANAKA KAZUYA , SUGITA TAKAO , SAKAMOTO YOSHIFUMI , HIROZAWA MASAO , MATSUI HIROSHI
IPC分类号： E01D11/00 , E01D11/02 , E01D21/00 , E04G3/00 , E04G3/02
摘要： PURPOSE:To enhance safety by fixing a coarse mesh welded wire gauze to upper parts of plural wire ropes errected between main towers or abutments, and fixing a small article falling preventive net composed of a fine mesh welded wire gauze above the coarse wire gauze. CONSTITUTION:A plurality of wire ropes 3 are erected in parallel to each other between main towers or abutments of a suspension bridge. A plurality of lateral frame materials 4 are fixed at an interval to the ropes 3, handrail posts 9 are fixed to ends of the lateral frame materials 4, and a plurality of handrail ropes 10 are fixed at an interval to the posts 9. A coarse mesh welded wire gauze 6 is fixed at an interval onto the lateral frame materials 4, and a small article falling preventive net composed of a fine mesh welded wire gauze 7 is fixed to the wire gauze 6. Step materials 8 are fixed on the net.

2. 发明专利

JPS62106148A CABLE SHAPING METHOD IN MOUNTING SOCKET ON CABLE 失效
公开(公告)号：JPS62106148A
公开(公告)日：1987-05-16
申请号：JP24285185
申请日：1985-10-31
申请人： NIPPON STEEL CORP , TOKYO ROPE MFG CO
发明人： TAWARAYA YOFUMI , TAKENO MASARU , SAKAMOTO YOSHIFUMI , ISHII TSUNEO
IPC分类号： F16G11/00 , E01D11/00 , E01D11/02 , E01D11/04 , E01D19/16 , E01D101/00 , E01D101/40 , F16G11/09
摘要： PURPOSE:To easily retain wires, by gripping a cable by means of a cable binding wire, engaging pipes with the end portions of the wires, and tightening the pipes by means of a pipe tightening device. CONSTITUTION:A cable 1 is gripped by a cable binding wire 3 at a position near an insert part to be inserted into a socket 2. A plurality of pipes 5 are externally engaged with the end portions of wire constituting the cable 1. Then, the outer peripheral pipes 5 are surrounded and tightened by a pipe tightening device 6, thereby retaining the end portions of the wires at a predetermined space. Thus, the cable may be easily shaped with less labor and quickly.

3. 发明专利

JPS6298044A CAST FIXING METHOD FOR CABLE END IN SOCKET 失效
公开(公告)号：JPS6298044A
公开(公告)日：1987-05-07
申请号：JP23767085
申请日：1985-10-25
申请人： NIPPON STEEL CORP , TOKYO ROPE MFG CO
发明人： OTANI HISANAGA , HOJO TETSUO , SAKAMOTO YOSHIFUMI , ISHII TSUNEO
IPC分类号： F16G11/00 , E01D11/00 , E01D11/02 , E01D11/04 , E01D19/16 , E01D101/00 , E01D101/40 , F16G11/09
摘要： PURPOSE:To increase a fatigue strength, by preliminarily locating an isolating layer at an intermediate position of a cable end portion to be received by a socket, and then casting a zinc-copper alloy and an epoxy resin. CONSTITUTION:A parallel wire cable or a cable 1 having a large twist pitch is tied tightly with a binding iron wire 6 near a portion to be inserted into a socket 2. Zinc plates are inserted from the end of wires 7 in such a manner as to intersect alternately and form three layers. Then, steel or synthetic resin pipes 8 are inserted at the end of the wires 7. Then, a zinc plate is wound around the cable at an intermediate position in the socket 2 to provide an isolating layer 5. Then, the socket 2 is moved to the end portion of the cable, and is engaged with the circumference of the isolating layer 5. Then, a zinc- copper alloy 3 is injected from the rear end of the socket 2, and an epoxy resin 4 is injected from the front end of the socket 2.

4. 发明专利

JPH04310857A METHOD FOR DETECTING DEVELOPMENT OF CRACK OF STEEL BRIDGE STRUCTURE USING AE METHOD 失效
公开(公告)号：JPH04310857A
公开(公告)日：1992-11-02
申请号：JP10333391
申请日：1991-04-09
申请人： MINI PUBLIC WORKS , NIPPON STEEL CORP
发明人： HOJO TETSUO , SAKAMOTO YOSHIFUMI , SHIBAZAKI MAKOTO
IPC分类号： G01N29/14
摘要： PURPOSE:To obtain a AE inspection method monitoring the development of a crack in order to ensure safety in an existing bridge structure having a crack of a degree exerting no effect on strength. CONSTITUTION:A plurality of AE sensors S1-S4 are respectively arranged in the vicinity of the leading end position of the crack of a bridge structural member in a preliminarily estimated crack developing direction so as to form spatitial filters to provide limited monitor regions. Only the AE signals generated within the monitor regions are extracted from the repeated load generated by a running vehicle and the development state of the crack is estimated from the state with the elapse of time thereof.

5. 发明专利

JPH04202870A CORROSIONPROOF CABLE HAVING SUPPRESSED GENERATION OF RAIN VIBRATION 失效
公开(公告)号：JPH04202870A
公开(公告)日：1992-07-23
申请号：JP32571190
申请日：1990-11-29
申请人： NIPPON STEEL CORP
发明人： OKUMOTO TAKESHI , HOJO TETSUO , SAKAMOTO YOSHIFUMI
IPC分类号： E01D1/00 , D07B1/16 , E01D4/00 , E01D11/00 , E01D11/02 , E01D11/04 , E01D19/14 , E01D19/16 , E01D101/40
摘要： PURPOSE:To obtain the subject cable effective for suppressing the generation of rain vibration and suitable for cable-braced bridge, Nielsen arch bridge, etc., by covering the surface of a cable with corrosionproof layer of a polymeric material having high water-repellency. CONSTITUTION:The objective corrosionproof cable 11 is produced by covering the circumference of a cable 1 composed of an assembly of a number of cable element wires with a corrosionproof coating layer 2 made of a high molecular material having high water-repellency (e.g. fluororesin) or by applying a corrosionproof coating layer 3 of polyethylene, etc., to the cable 1 and covering the surface with the above corrosionproof coating layer 2 made of a high molecular material having high water-repellency.

6. 发明专利

JPS6131510A Construction of cable of suspension bridge 失效
标题翻译：悬索桥电缆施工
公开(公告)号：JPS6131510A
公开(公告)日：1986-02-14
申请号：JP15212684
申请日：1984-07-24
申请人： Nippon Steel Corp
发明人： SAKAMOTO YOSHIFUMI , TAWARAYA YOFUMI , TAKENO MASARU
IPC分类号： E01D11/00 , E01D11/02 , E01D19/16

7. 发明专利

JPS5450120A METHOD OF CONSTRUCTION OF UNDERGROUND WALL 失效
公开(公告)号：JPS5450120A
公开(公告)日：1979-04-19
申请号：JP11710677
申请日：1977-09-29
申请人： NIPPON STEEL CORP , NIPPON STEEL CHEMICAL CO , NIPPON PRESSED CONCRETE KK
发明人： MISHIRO MASARU , SAKAMOTO YOSHIFUMI , KIMURA SHINICHI
IPC分类号： E02D5/18

8. 发明专利

JPH111720A METHOD FOR DESULFURIZING MOLTEN METAL AT THE TIME OF TAPPING FROM ELECTRIC FURNACE 失效
公开(公告)号：JPH111720A
公开(公告)日：1999-01-06
申请号：JP15070797
申请日：1997-06-09
申请人： CHUGAI RO KOGYO KAISHA LTD , NIPPON STEEL CORP
发明人： FUJII KUNIO , SAKAMOTO YOSHIFUMI , ARIMITSU ISAO , UCHIDA SHINJIROU
IPC分类号： C21C7/064
摘要： PROBLEM TO BE SOLVED: To provide a desulfurizing method of molten metal at the time of tapping from an electric furnace which contrives the energy saving and reduces the wear of refractories of the electric furnace and a ladle. SOLUTION: Molten refining agent Sb is charged into a ladle 8 at a prescribed quantity to store the molten refining agent at the bottom part in the ladle. Thereafter, the molten metal W is flowed down from the electric furnace T into a ladle whose inner wall temp. is held at >= m.p. of the refining agent, and the molten refining agent is stirred and mixed with the molten metal to execute the desulfurization.

9. 发明专利

JPH0533311A CABLE SNOW REMOVER 失效
公开(公告)号：JPH0533311A
公开(公告)日：1993-02-09
申请号：JP21154391
申请日：1991-07-29
申请人： NIPPON STEEL CORP , DAI ICHI HIGH FREQUENCY CO LTD
发明人： HOJO TETSUO , SAKAMOTO YOSHIFUMI , TSUCHIDA ISAMU , TANIGUCHI YASUYUKI , KISHIHARA SHIGEKI , MORISHITA YOSHIYUKI
IPC分类号： E01D1/00 , E01D11/00 , E01D11/04 , E01D19/16 , E01H5/00
摘要： PURPOSE:To remove the snow coverage of the cable, etc., of a diagonal cable bridge. CONSTITUTION:A truck 5 is installed so as to surround a cable 2, and wheels arranged while forming the angle of deviation in the circumferential direction of the cable 2, a DC motor driving the wheels and a battery are loaded on the truck 5. The truck 5 travels along the cable 2 while being rotated centering around the cable 2 by driving the wheels by the DC motor. A cutting edge 6 spirally travels on the outer circumferential surface of the cable by previously mounting the cutting edge 6 so that an edge is brought into contact with the cable 2 approximately on the front of the truck 2, thus scraping off snow 3.

10. 发明专利

JPH01182653A DEFECT DETECTING METHOD FOR CABLE TERMINAL CASTING PART 失效
公开(公告)号：JPH01182653A
公开(公告)日：1989-07-20
申请号：JP152388
申请日：1988-01-07
申请人： NIPPON STEEL CORP
发明人： HOJO TETSUO , SAKAMOTO YOSHIFUMI , EGUCHI TATSUYA , TATEISHI SHUICHI
IPC分类号： F16G11/00
摘要： PURPOSE:To detect a relatively large cavity detect in the inner part of a casting part in a socket in a simple manner by comparing an echo pattern of a reflected wave, obtaining a flow frequency supersonic wave after being incident in the axial core direction from the outside, with a reference echo pattern under the specified flaw detection sensitivity. CONSTITUTION:Using a reference sample 10 being manufactured with the same material as casting metal of an inspection subject and having an artificial flaw in a specified position, a timing axis is adjusted so as to cause an echo being reflected out of a notch 11 in the specified depth D1 to be adjusted to a proper position from oscillation on a faceplate of a cathode-ray tube 7, and depth from a surface of the reference sample 10 is made so as to be read out of the timing axis. A decay curve of echo height in this reflected wave is set down to a reference waveform for casting part inspection. Next, a supersonic flaw probe 5 is made contact toward a shaft center of a socket casting part 1, and a waveform to be obtained by this contact is compared with the reference waveform and thereby the presence of a defect and its position are measured. In this case, if there is a relatively large cavity defect in a supersonic propagation path, supersonic propagation is hindered so that the reflected wave out of the front is suddenly attenuated from the defect position.

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