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11. 发明公开

EP0205696A1 Branch pipe fittings. 失效
标题翻译：附加的支管。
公开(公告)号：EP0205696A1
公开(公告)日：1986-12-30
申请号：EP85304504
申请日：1985-06-25
申请人： TOKYO GAS CO LTD
发明人： KOSAKA ETSUJI
IPC分类号： F16L41/06
CPC分类号： F16L41/06 , Y10T137/6123
摘要： @ A clamping device is provided for effecting fitment of a branch pipe connection to a main pipe which, for example, may carry gas or water. The clamping device comprises a body (11) having two pairs of opposed arms (17) forming jaws which may engage about opposite sides of the periphery of a pipe (28) and thereby be tightened. Each of the arms (17) is pivoted to the main body and a retaining bar (18) is provided secured by a clamp bolt (21) which threadably engages bosses in the body (11). The bar (18) has abutment shoulders (19) which contact corresponding shoulders on each arm (17) whereby tightening the bolts (21) causes the arms to be forced inwardly to engage pipe 28. A rod device (24) is used to fit the clamp and also to manipulate a cutting device to bore into the pipe (28). The rod device can also be used to fit the branch coupling.

12. 发明专利

JPS6131531A Excavation bucket 失效
标题翻译：挖掘机
公开(公告)号：JPS6131531A
公开(公告)日：1986-02-14
申请号：JP15326084
申请日：1984-07-25
申请人： Hitachi Constr Mach Co Ltd , Tokyo Gas Co Ltd
发明人： KOSAKA ETSUJI , FUJIMOTO MASAYUKI , IKEDA TOSHIMICHI , IIDA TAKEO
IPC分类号： E02F3/407 , E02F3/413 , E21B11/04
CPC分类号： E02F3/413 , E02F5/027 , E02F5/20
摘要： PURPOSE:To smoothly discharge soil and to improve excavation efficiency, by a method wherein a bucket shell is openably mounted to a bucket body, a hydraulic cylinder is provided, and a blade is vertically movably attached to a piston rod. CONSTITUTION:A blade 18 is separated from upper plates 16a and 17a of bucket shells 16 and 17 with the aid of a hydraulic cylinder 20, and the bucket shells are held in an opening attitude. The bucket shells 16 and 17 are pushed in, soil is scooped in the shells 16 and 17, and the shells 16 and 17 are closed through contraction of the hydraulic cylinder 20. The bucket shells are lifted up to a ground, the blade 18 is lowered within the shells 16 and 17 through expansion of the cylinder 20 to discharge soil. This enables smooth discharge of soil by means of the blade irrespective of quality of soil excavated by the bucket shells.
摘要翻译：目的：为了平稳地排放土壤并提高挖掘效率，通过将铲斗壳体可开启地安装在铲斗本体上的方法，设置液压缸，并且将叶片垂直地可移动地附接到活塞杆。构成：叶片18借助于液压缸20与桶壳16和17的上板16a和17a分离，并且桶壳保持打开姿态。铲斗壳体16和17被推入，铲斗16和17中挖出土壤，并且通过液压缸20的收缩使壳体16和17关闭。铲斗壳体被提升到地面，叶片18是通过气缸20的膨胀而在壳16和17内降低以排出土壤。这样就可以通过叶片平稳排放土壤，而不管桶壳挖出的土壤质量如何。

13. 发明专利

JPS61228193A METHOD OF CONSTRUCTION OF DRAWING OF BRANCH PIPE FROM GAS CONDUIT MADE OF CAST IRON AND BLIND BUSH USED FOR SAID METHOD OF CONSTRUCTION 失效
公开(公告)号：JPS61228193A
公开(公告)日：1986-10-11
申请号：JP6975185
申请日：1985-04-02
申请人： TOKYO GAS CO LTD
发明人： YOSHIDA MASASHI , HARU YASUHIKO , KOSAKA ETSUJI , FUJIMOTO MASAYUKI
IPC分类号： F16L41/08

14. 发明专利

JPS59111813A Saddle welder 失效
标题翻译： SADDLE WELDER
公开(公告)号：JPS59111813A
公开(公告)日：1984-06-28
申请号：JP22150882
申请日：1982-12-16
申请人： Osaka Gas Co Ltd , Toho Gas Kk , Tokyo Gas Co Ltd
发明人： MORIOKA MASAKAZU , KOSAKA ETSUJI , MATSUZAKI MASAHITO
IPC分类号： B29C65/00 , B29C53/00 , B29C65/18 , B29C65/20 , B29C65/34 , B29C65/78
CPC分类号： B29C65/34 , B29C65/20 , B29C65/7841 , B29C66/52241 , B29C66/71 , B29C66/73921 , B29C66/872 , B29C66/87443 , B29C66/91643 , B29C66/92211 , B29C66/92445 , B29C66/92921 , B29C66/944 , B29C66/9592 , B29K2023/06
摘要： PURPOSE:To obtain a saddle welder capable of performing better welding operation by an easier operation all the time by controlling displaying and sounding relating to the processes through a timer and necessary clamping, etc. CONSTITUTION:When a thermoplastic synthetic resin tube is allowed to come near the saddle of a thermoplastic synthetic resin, and pressingly contacted with a heater at a set pressure, a switch 31 turns ON, the timer 35 of a controller 34 is actuated, and a display lamp 38 is lighted to display a heating process. From a fixed time period before the ending of the heating process, a buzzer 41 is intermittently operated to notify the next heater removal process. As the heating process is ended, the lamp 38 is turned off, and a buzzer 42 is continuously operated during the period until the next welding process to notify the heater removal process. If the heater is not removed during the time period, the solenoid 27 is demagnetized, a given clamping is made, and the execution of the next welding process is interrupted. Even for the following welding and cooling processes, better welding operation can be made by an easier operation all the time in the same manner by the saddle welder.
摘要翻译：目的：通过定时器和必要的夹紧等来控制与工艺相关的显示和探测，通过更容易的操作获得能够进行更好焊接操作的鞍式焊机。构成：当允许热塑性合成树脂管在热塑性合成树脂的鞍座附近，并且在设定压力下与加热器按压接触，开关31接通，控制器34的定时器35被启动，并且显示灯38被点亮以显示加热过程。从加热结束结束前的固定时间开始，间歇地操作蜂鸣器41，通知下一个加热器去除处理。随着加热过程结束，灯38关闭，并且蜂鸣器42在直到下一个焊接过程的时间段内连续地操作以通知加热器去除过程。如果在该时间段期间加热器没有被去除，则螺线管27被消磁，进行给定的夹紧，并且下一次焊接过程的执行被中断。即使对于以下的焊接和冷却过程，也可以通过鞍式焊机以相同的方式通过更容易的操作进行更好的焊接操作。

15. 发明专利

JPS57121842A Method and apparatus for reducing part of metallic pipe 失效
标题翻译：减少金属管部分的方法和装置
公开(公告)号：JPS57121842A
公开(公告)日：1982-07-29
申请号：JP380481
申请日：1981-01-16
申请人： Riken Kiki Kk , Tokyo Gas Co Ltd
发明人： KOMATSU JIYUUZOU , KOSAKA ETSUJI , NAGAO CHIKAYUKI
IPC分类号： B21D41/04 , B21D17/02
CPC分类号： B21D17/02
摘要： PURPOSE:To reduce a part of a pipe by plastic deformation by thrusting a ring- shaped member made of elastomer into a metallic pipe, enclosing the outer circumference of the ring shaped member with a member, and bulging the inner circumference by pressing the ring-shaped member between two end faces. CONSTITUTION:A pipe 90 is thrusted into the hole 18 of a circumferential member 15, a ring-shaped member 21 and a washer 22 under the condition where a pipe 91 is inserted into a pipe 90. When a piston 12 is extruded from a cylinder 11 by a hydraulic device 10, a pressing member 19 moves to the direction of the end face 17, and the ring-shaped member 21 is pressed strongly between the circumferential member 15 and end face 17 from both end faces through the washer 22. Consequently, the ring-shaped member bulges to inside and the pipe 90 is plastic deformed to form a reduced part 94. Accordingly, a ring-shaped packing is compressed inside of the reduced part 94 and the pipe 91 is joined to the pipe 90 airtightly.
摘要翻译：目的：通过将由弹性体制成的环形构件推入金属管中，通过塑性变形来减少管道的一部分，将环形构件的外周围用构件封闭，并且通过按压环形构件来鼓起内周，两个端面之间的形状构件。构成：在将管91插入管90的状态下，管90被推入圆周构件15，环形构件21和垫圈22的孔18中。当活塞12从气缸如图11所示，通过液压装置10，按压构件19向端面17的方向移动，并且环形构件21通过垫圈22从两个端面在周向构件15和端面17之间被强力地挤压。结果环状构件向内凸出，管90塑性变形，形成减压部94.因此，环状填料在减压部94的内侧被压缩，管91密封地与管90接合。

16. 发明专利

JPH112362A PIPE LAYING METHOD AND PIPE SPLITTER 失效
公开(公告)号：JPH112362A
公开(公告)日：1999-01-06
申请号：JP15703897
申请日：1997-06-13
申请人： TOKYO GAS CO LTD , KANPAI KK
发明人： KOSAKA ETSUJI , ANAMIZU TAKASHI , KOBAYASHI MASUMI , KURASHINA MINORU , KATSUTA TSUTOMU , NAKAMURA SHINICHI
IPC分类号： B23D21/02 , F16L1/00 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To lay a new pipe on a laying path of an already installed pipe with small force, by cutting the already installed pipe longitudinally at a circumferential position of the already installed pipe. SOLUTION: A new vinyl chloride pipe 15 is attached to the back end of an expander 14 of a pipe splitter 12, and the pipe splitter 12 is installed in a small shaft 4. A rod 11 which projects to the small shaft 4 through a vinyl chloride pipe 2 is connected to the top of the pipe splitter 12. A pushing/pulling device 10 is operated, the rod 11 is pulled, and the top of the pipe splitter 12 is abutted to the vinyl chloride pipe 2. The vinyl chloride pipe 2 is cut longitudinally at its circumferential position of the vinyl chloride pipe 2 with a cutter 13 of the pipe splitter 12. In addition, the pushing/pulling device 10 is operated, the rod 11 is pulled, the cut vinyl chloride pipe 2 is spread out with the expander 14. Therefore, a new vinyl chloride pipe 15 can be inserted into the vinyl chloride pipe 2 with small force.

17. 发明专利

JPH09158674A LAYING CONSTRUCTION METHOD OF PIPING BY UNOPENED-CUT EXCAVATION 失效
公开(公告)号：JPH09158674A
公开(公告)日：1997-06-17
申请号：JP31552495
申请日：1995-12-04
申请人： TOKYO GAS CO LTD
发明人： KOSAKA ETSUJI , DAIKUHARA TAKESHI , NARA KENSUKE
IPC分类号： E21D9/06 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To provide a construction method by which an underground laying distance of piping can be fully increased to capacity corresponding to maximum pulling-in force of a propelling machine. SOLUTION: At first stroke time, a rod 4 delivered from a propelling machine 3 arranged on a first departing shaft 1 side is rotatably propelled to the underground of a first half passage reaching a second departing shaft 1' from a first departing shaft 1, and a prescribed boring hole is excavated and propelled. The propelling machine 3 is transferred to an aboveground part on the second departing shaft 1' side, and similarly, a boring hole is excavated and propelled to the underground of a latter half passage reaching an arriving shaft 2 from the second departing shaft 1'. At second stroke time, a propelling rod 4 of the first half passage and a propelling rod 4' of the latter half passage are connected to each other in the second departing shaft 1', and the propelling machine 3 is transferred to the side of the first departing shaft 1, and the propelling machine 3 and the propelling rod 4 of the first half passage are connected to each other. In this condition, both the propelling rods 4 and 4' of the first half passage and the latter half passage are pulled back by pulling-in force of the propelling machine 3, and execution work is performed so that piping of a pulling-in object connected to the rear end of the propelling rod 4' of the latter half passage is continuously pulled in the boring holes of both passages.

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