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1. 发明专利

JPH11118723A CONDUIT INSPECTING DEVICE FOR SWITCHING BETWEEN DIRECT VIEWING AND SIDE VIEWING OF INSIDE OF PIPING 失效
公开(公告)号：JPH11118723A
公开(公告)日：1999-04-30
申请号：JP27891497
申请日：1997-10-13
申请人： KANTOOL KK , TOKYO GAS CO LTD , TOKYO ELECTRONIC IND CO
发明人： KANEDA YUKIHIRO , ONO YASUNAKA , TAKAGI SHINICHI , ISHIYAMA HIROYUKI
IPC分类号： G01N21/88 , G01N21/954 , G03B37/00 , H04N5/225
摘要： PROBLEM TO BE SOLVED: To provide a miniaturized conduit inspecting device for switching between direct viewing and side viewing of the inside of piping using a mechanism of both two direct viewing and side viewing CCD cameras. SOLUTION: In the constitution of a direct viewing/side viewing double duty type CCD camera mechanism, a camera head 1 in which a direct viewing lens 2 with illuminating lamps 3 is arranged at the center part of the front end on the insertion side and a side viewing lens 4 with an illuminating lamp 5 is arranged at the peripheral wall part is formed. A single CCD chip 6 is movably arranged at the location where the optical axis lines of the direct viewing lens 2 and the side viewing lens 4 intersect at right angles. An oscillating means incorporating the CCD chip 6 and formed of a motor, etc., makes the CCD chip 6 face the side of the direct viewing lens or the side of the side viewing lens.

2. 发明专利

JPH1010659A METHOD AND DEVICE FOR CONTROLLING ATTITUDE OF CAMERA OF THRUST TYPE PIPE LINE TESTING DEVICE 失效
公开(公告)号：JPH1010659A
公开(公告)日：1998-01-16
申请号：JP16296296
申请日：1996-06-24
申请人： KANTOOL KK , TOKYO GAS CO LTD
发明人： KANEDA YUKIHIRO , KIMOTO KENTARO , ISHIYAMA HIROYUKI , DOI TOSHIYUKI , ARAI SHINGO , SHIMA MASAYUKI
IPC分类号： G01C15/00 , G03B37/00
摘要： PROBLEM TO BE SOLVED: To provide the method and device for controlling the attitude of a camera of a thrust type pipe line testing device by which the inside of a narrow pipe line is tested by a CCD camera. SOLUTION: In the thrust type pipe line testing device for photographing the inside of a pipe with a CCD camera while inserting a hard cable into a pipe line, the pulling degree of four attitude control wires 11 connected between the front head 1 for a direct vision camera in which a CCD camera 2 is arranged and the back head 5 for driving connected to the end of a rear hard cable 16 through a flexible code 4 is adjusted with an operation control for remotely controlling each corresponding micro-motor 10 incorporated in the back head 5 while watching the other monitor, the front head 1 side for the direct vision camera is bent in the appropriate direction for the back head 5 to vary visual field, and the hard cable 16 is pushed in further, thereby the front head 1 is inserted into a branch line of a T pipe and the like.

3. 发明专利

JP2004011687A METHOD FOR RECOVERING/RESTORING NOZZLE MAIN-VALVE IN TANK IN OPERATION 审中-公开
公开(公告)号：JP2004011687A
公开(公告)日：2004-01-15
申请号：JP2002163022
申请日：2002-06-04
申请人： TOKYO GAS CO LTD , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： HATTORI ATSUHIKO , ISHIYAMA HIROYUKI , KIZU YOSHIKAZU , TSUJI TATSUO
IPC分类号： B65D90/00 , F17C13/00 , F17C13/04
摘要： PROBLEM TO BE SOLVED: To provide a method for safely recovering/restoring a nozzle main-valve in a tank in operation. SOLUTION: This method comprises the following steps: in the first step, the main-valve B of the nozzle A is closed, and a connection bolt C of the nozzle A and the main-valve B is replaced by a temporarily tightening jig 1. In the 2nd step, the valve B is held by a main-valve holding jig 4 penetrated in a chamber 2, an expandable sealing stop 6 is attached to a sealing-stop guiding jig 7 penetrated in the chamber 2, then the chamber 2 is airtightly attached to the nozzle A. In the 3rd step, the temporarily tightening jig 1 is separated by a separating jig 3 penetrated in the chamber 2, and the main-valve holding jig 4 is drawn up to remove the valve 3 from the nozzle A. In the 4th step, the stop 6 is guided by the jig 7 to be fit to the opening of the nozzle A. In the 5th step, the stop 6 is expanded by a stop-expanding jig 8 penetrated in the chamber 2 and the opening of the nozzle A is closed. In the 6th step, the chamber 2 is removed, the jig 7 is separated from the stop 6, and the main valve B is recovered. COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2002063832A ROTATING TOP END LIMIT STRUCTURE IN ROTATING MECHANISM 失效
公开(公告)号：JP2002063832A
公开(公告)日：2002-02-28
申请号：JP2000254269
申请日：2000-08-21
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , TOKYO GAS CO LTD
发明人： KOBAYASHI KENGO , YAMADA MITSUMASA , NAITO KIYOSHI , YAMAMOTO KAZUNARI , ISHIYAMA HIROYUKI , SAKOU NAOHIRO , TSUGANE KOICHIRO
IPC分类号： H01H19/18
摘要： PROBLEM TO BE SOLVED: To provide a rotating top end limit structure in the rotating mechanism, that is capable of dealing with only one limit switch and can be rotated by 360 deg. or larger. SOLUTION: In the rotating top end limit structure, a guide groove 2, which is formed into a spiral shape and has a shallow groove portion 4 at the both ends, is formed on the rotating side 34 or on the fixed side 33, and a limit switch 6 for stopping the rotation of the rotating side 34 is installed on the fixed side 33 or on the rotating side 34 that is on the opposite side of the guide groove 2. A limit dog 11 which has a fixed member 9, comprising a guide groove side projection 7 for inserting into the guide groove 2, and a limit switch side projection 8 that supports in free movement the guide groove side projection 7 following along the guide groove 2 and extends to the limit switch 6 side in the opposite direction of the guide groove side projection 7 is provided, and an energizing means 24 for energizing the limit dog 11 to the guide groove 2 side is provided.

5. 发明专利

JPH11125400A PIPE WASHING DEVICE AND PIPE INSPECTING DEVICE 失效
公开(公告)号：JPH11125400A
公开(公告)日：1999-05-11
申请号：JP29086897
申请日：1997-10-23
申请人： TOKYO GAS CO LTD
发明人： KANEDA YUKIHIRO , ONO YASUNOBU , ISHIYAMA HIROYUKI , ARAI SHINGO
IPC分类号： B08B9/032 , B08B9/02 , F16L55/00 , F17D5/00
摘要： PROBLEM TO BE SOLVED: To provide a pipe washing device and a pipe inspecting device which can respectively wash and inspect a pipe inside provided with a T-shaped branch part and an elbow part. SOLUTION: This device has a washing nozzle 3 jetting a fluid in a tip end, the washing nozzle 3, by a connection metal fitting 5, is connected to a flexible hose 7. The washing nozzle 3 has a rear part jet port 4 jetting a fluid rearward and a side part jet port 6 jetting a fluid sideward, while rotating the nozzle around an axis with a proceeding direction serving as the axis, the inside of a pipe 13 is washed. The flexible hose 7 is connected with a connection metal fitting 9 to a slightly hard washing hose 11.

6. 发明专利

JPH10185092A GAS FUEL RELAY UNIT 失效
公开(公告)号：JPH10185092A
公开(公告)日：1998-07-14
申请号：JP34507296
申请日：1996-12-25
申请人： TOKYO GAS CO LTD , ISHIKAWAJIMA HARIMA HEAVY IND , I H I PLANTEC KK
发明人： OGASAWARA TAKESHI , KIMOTO KENTARO , ISHIYAMA HIROYUKI , ARAI SHINGO , FURUMI YOSHIO , OCHIAI JUNICHI , SAIDA OSAMU , TOMURA SHIGEO
IPC分类号： F17C5/02 , F17D1/04
摘要： PROBLEM TO BE SOLVED: To reduce the amount of heat insulating material to be used and a space for a coldness accumulation tank installation by providing a commonly used coldness accumulating tank including a multi-layered accumulating part capable of being filled so that its freezing temperature may be lower as closer to the central side and higher as closer to the external peripheral side. SOLUTION: A commonly used coldness accumulation tank 54 partitioned in a concentric circular shape by means of plural side part heat insulating materials 47 to 49 made of urethane block, etc., and multiplied heat accumulation ports 50 to 53 are formed inside is provided. In each of storing parts 50 to 53 of the commonly used coldness accumulation tank 54, respective coldness accumulating agents 55 to 58 different in freezing temperature are stored so that the freezing temperature may becomes lower as closer to the central side and this temperature may become higher as closer to the outer peripheral side. As the result, the thickness of partitioning side part heat insulating materials 47 to 49 may be only a thickness corresponding to the temperature differences in the coldness accumulating agents 55 to 58 of mutually adjacent, and to the extent of reduction of used quantity owing to thinning of side part heat insulating materials 47 to 90, etc., for partitioning, the installation cost can be reduced.

7. 发明专利

JPH10106331A OBSERVING DEVICE FOR LOW TEMPERATURE TANK 失效
公开(公告)号：JPH10106331A
公开(公告)日：1998-04-24
申请号：JP25198096
申请日：1996-09-24
申请人： FUJIKURA LTD , TOKYO GAS CO LTD
发明人： NAKATATE KENICHI , TOKO SHUICHI , TSUMANUMA KOUJI , KANEDA YUKIHIRO , TANAKA TAKAAKI , KIMOTO KENTARO , ISHIYAMA HIROYUKI
IPC分类号： F21L14/00 , F21V13/06 , F21L1/00
摘要： PROBLEM TO BE SOLVED: To provide an observing device which can smoothly change the view field within a low temp. tank. SOLUTION: An observing device 10 is fitted on its body 30 with a reflecting mirror 27 and a side view head reflection mirror unit 20 including a pan mechanism 23 to change the view field of the reflecting mirror 27 within a horizontal plane and a tilt mechanism 24 to change it within a vertical plane. Both the pan mechanism 23 and tilt mechanism 24 are driven by respective sets of a motor and gears, and their parts contacting between the rotary shaft and bearing and the gears each other are formed in an oiless structure, and each bearing is given a smaller coefficient of thermal expansion than its mating rotary shaft.

8. 发明专利

JP2002296195A MONITOR SYSTEM FOR MOBILE MACHINE INSIDE PIPING 失效
公开(公告)号：JP2002296195A
公开(公告)日：2002-10-09
申请号：JP2001095613
申请日：2001-03-29
申请人： TOKYO GAS CO LTD
发明人： KANEDA YUKIHIRO , TSUI NOBUHIKO , ISHIYAMA HIROYUKI , TSUGANE KOICHIRO , KONDO EIJI , IIMORI HIROSHI , OKADA AKIRA , HIRAYAMA MASAAKI
IPC分类号： G01N21/954 , B61B13/10 , F17D5/06 , G02B23/24
摘要： PROBLEM TO BE SOLVED: To provide a monitor system for a mobile machine inside the piping, capable of maintaining its constant and steady operation without any reliance on a manipulator's skill, preventing the machine itself from risking misoperation and damage, and retarding the degradation of the machine life due to excessive expansion. SOLUTION: This system has a monitor device 1 and the mobile machine 5 being connected to the monitor device I through a piping body 3 inclusive of a medium-supply tube 25. The mobile machine 5 possesses a position-fixing body 23 that is expandable or shrinkable due to the inflow and outflow of a medium, thereby letting the machine 5 itself fixed or released, correspondingly. The monitor device 1 has a measurement section 11, an identifying section 13, a control section 15 and an indicating section 17. The measurement section 11 measures the flow, the pressure and the temperature of the medium or the like. The identifying section 13 identifies what a state the position-fixing body 23 is in, based upon the measurement results obtained by the measurement section 11. The control section 15 controls the inflow and outflow of the medium, based upon the identified results obtained by the identifying section 13.

9. 发明专利

JP2002075015A LIGHTING DEVICE FOR OBSERVATION DEVICE IN LOW TEMPERATURE BATH 失效
公开(公告)号：JP2002075015A
公开(公告)日：2002-03-15
申请号：JP2000263889
申请日：2000-08-31
申请人： TOKYO GAS CO LTD , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： TSUI NOBUHIKO , YAMAMOTO KAZUNARI , ISHIYAMA HIROYUKI , SAKOU NAOHIRO , NAITO KIYOSHI , SAITO TOSHITAKA , TAKIMOTO HIDETOSHI , HAYAKAWA KAYOKO , IIMURA KENJI , KOBAYASHI KENGO
IPC分类号： F21V19/00 , F21S2/00 , F21S4/00 , F21V21/16 , F21W131/411 , F21Y103/02
摘要： PROBLEM TO BE SOLVED: To constitute a lighting device that can be inserted into a low temperature bath alone by separating a photographing device and the lighting device into two bodies in consideration of handling and to be able to light the side and the lower part with simple structure of excluding a complicated mechanism, and moreover to achieve miniaturization in diameter and volume and weight saving. SOLUTION: This lighting device is equipped with a conical upper box 11, a linear frame 12 of small diameter that is arranged in a cylindrical axis direction along a cylindrical periphery and plural socket sustaining parts 13, 13' that are sustained by a linear frame 12 and arranged in the cylindrical axis direction with given space, where each socket 14 is sustained by the socket sustaining part 13 and a long cylindrical lamp 15 for the side is connected with the socket 14 and moreover a lamp 16 for the lower part is connected with the socket 14' sustained by the lowest end socket sustaining part 13'. The socket 14 of the lamp 15 for the side is sustained by the socket sustaining part 13 tiltably and wiring protected from overheat is carried out inside the linear frame 12.

10. 发明专利

JP2002061626A SCREW SLIP-OFF PREVENTING MECHANISM 失效
公开(公告)号：JP2002061626A
公开(公告)日：2002-02-28
申请号：JP2000254268
申请日：2000-08-21
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , TOKYO GAS CO LTD
发明人： KOBAYASHI KENGO , MUTO MITSURU , NAITO KIYOSHI , ISHIYAMA HIROYUKI , TAKAGI SHINICHI , ARAI SHINGO
IPC分类号： B65D90/48 , F16B41/00 , F17C13/02
摘要： PROBLEM TO BE SOLVED: To provide a screw slip-off preventing mechanism allowing frequent removal and capable of surely preventing slip-off of a screw. SOLUTION: In this screw slip-off preventing mechanism, a case 14 is put on a device main body, a screw insert hole 31 is formed in the case 14, a tapped hole 33 is formed in a mounting plate 13a of the device main body positioned in the screw insert hole 31, and a screw is screwed in from the case 14 side to be fixed. A screw part 40 of the screw for fixing the case 14 to the mounting plate 13a is formed long enough, and a recess part 41 with a length larger than the thickness of the mounting plate 13a and a diameter smaller than the diameter of the tapped hole 33 is formed in the middle part thereof to constitute a slip-off preventing screw 32. A leading screw part 42 of the tip of the slip-off preventing screw 32 is screwed in the tapped hole 33 of the mounting plate 13a from the screw insert hole 31 of the case 14 to pass the mounting plate 13a, and then a fixing screw part 43 at the root is screwed in the tapped hole 33 and fixed.

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