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1. 发明专利

JP2002317456A MANHOLE GUARD 失效
公开(公告)号：JP2002317456A
公开(公告)日：2002-10-31
申请号：JP2001121054
申请日：2001-04-19
申请人： RYOSEI DENSETSU KK
发明人： SAKAI KAZUO
IPC分类号： E02D29/12
摘要： PROBLEM TO BE SOLVED: To provide a manhole guard which is safe capable of preventing infiltration of water into a manhole even at the time of raining. SOLUTION: This manhole guard is provided with a cylindrical body 1 having an outer flange part 3 close to a lower end, and disposed to have an axial center in the vertical direction, and packing 2 engaged with the cylindrical body on the outer side of it in such a way as to be capable of getting in contact with a lower surface of the outer flange part 3. As the cylindrical body 1 is placed on a first step part 13 in a manhole mouthpiece 11, the packing 2 is elastically deformed between the outer flange part 3 and the manhole mouthpiece 11.

2. 发明专利

JP2001221709A CONNECTION BOX FOR OPTICAL-FIBER CABLE TEST 失效
公开(公告)号：JP2001221709A
公开(公告)日：2001-08-17
申请号：JP2000031942
申请日：2000-02-09
申请人： RYOSEI DENSETSU KK
发明人： YOSHIDA MITSUTAKA , TATEGAI SHINJI , NINOMIYA TOMOYOSHI , MORI AKINOBU
IPC分类号： G01M11/00
摘要： PROBLEM TO BE SOLVED: To provide a connection box for optical-fiber cable tests allowing easy arranging and taking out of conductors, and providing increased operational efficiency. SOLUTION: The connection box has a number of measuring instrument connecting terminals 2, etc., distinguishable from one another by numbering. One end 3a of a single-conductor fiber 3 is connected to one of the terminals 2. Further, the other end 3b of the fiber 3 to which each conductor of a multi- conductor tape type fiber to be measured is temporarily fused and connected is designed so that the numbers of the terminals 2 can be distinguished from one another by coloring or numbering, etc.

3. 发明专利

JPH11152706A LAYING PLATE FOR TEMPORARY ROAD 失效
公开(公告)号：JPH11152706A
公开(公告)日：1999-06-08
申请号：JP33775897
申请日：1997-11-20
申请人： KANSAI ELECTRIC POWER CO , RYOSEI DENSETSU KK , TAIYO KOKI KK
发明人： KAKIHARA HIDENORI , DOI MAMORU , SAKAMOTO TOKIO , ODAKA KOICHI , MATSUBA KENJI , HAYASHI MASARU , KUBOTA KAZUHIKO , SEKIDO NORITSUGU
IPC分类号： E01C9/08
摘要： PROBLEM TO BE SOLVED: To execute laying work easily and quickly by forming projection-recess engagement parts on each on each side and forming connecting holes into which long connecting members are inserted along at least opposing parallel two sides. SOLUTION: A laying plate 1 for a temporary road is made by forming projection-recess engagement portions 4..., 5... and forming connecting holes 6, 6 into which long connecting members are inserted along at least opposing parallel two sides. The laying plate 1 is formed by uniting two upper and lower plastic plate members. When the plates are to be laid, connecting holes 6 are arranged in the direction of laying by placing the laying plates 1 side by side and engaging the projecting engaging portions 4 with the recess engaging portions 5, of adjoining short sides 3, 3. Many laying plates 1 are connected with each other and integrated by inserting long members 11 such as connecting pipes, into the connecting holes 6.... Therefor as the plates are plastics, they are lightweight, thereby allowing them to be loaded onto or unloaded from a vehicle and manual construction work to be executed easily and quickly.

4. 发明专利

JPH1164699A SUB-DUCT FOR OPTICAL CABLE AND PIPE MEMBER FOR DRAWING SUB-DUCT FOR OPTICAL CABLE AS WELL AS THEIR APPLICATIONS 失效
公开(公告)号：JPH1164699A
公开(公告)日：1999-03-05
申请号：JP22466097
申请日：1997-08-21
申请人： MITSUBISHI CABLE IND LTD , RYOSEI DENSETSU KK
发明人： FUKUI MASAHIRO , BANDO MASAHARU , KUZUSHITA HIROKAZU
IPC分类号： G02B6/46 , F16L1/00 , F16L11/14 , G02B6/50 , H02G1/06 , H02G1/08
摘要： PROBLEM TO BE SOLVED: To provide a sub-duct for an optical cable which may be easily pulled out in case the duct breaks and remains within a conduit tube line, a pipe member for easily pulling out the sub-duct 1 for the optical cable broken and left in the conduit tube line as well as their applications. SOLUTION: The end on the front end side of the sub-duct 1 for the optical cable to be inserted into the conduit tube line 5 is provided with a connector 2. The connector 2 is made connectable to the connector 4 at the front end of a rod 3 for pulling out inserted into the sub-duct 1 for the optical cable from the hand side. In case part of the sub-duct 1 for the optical cable breaks and remains in the conduit tube line 5, the sub-duct is pulled out by the following stages: (1) The rod 3 for pulling out is inserted into the sub-duct 1 for the optical cable along the conduit tube line 5 from the hand side. (2) The connector 4 at the front end of the rod 3 for pulling out is connected to the connector 2. (3) The sub-duct 1 for the optical cable is pulled out by pulling the rod 3 for pulling out.

5. 发明专利

JP2009183125A Cover for preventing accumulation of snow 审中-公开
标题翻译：防止雪积累的盖子
公开(公告)号：JP2009183125A
公开(公告)日：2009-08-13
申请号：JP2008022280
申请日：2008-02-01
申请人： Ryosei Densetsu Kk , 菱星電設株式会社
发明人： TAYAMA NOBUHIRO
IPC分类号： H02G7/00 , E04H9/16 , H02G1/02
摘要： PROBLEM TO BE SOLVED: To provide a cover for preventing the accumulation of snow, which is lightweight and is easy to install and prevents the accretion of ice and snow on an arm portion or a tower body of a power transmission line steel tower. SOLUTION: The cover for preventing the accumulation of snow is attached in the form of a slope to a snow accretion hazardous portion H of an arm portion A of a power transmission line steel tower, and is equipped with a plastic plate 1, a metallic reinforcing peripheral frame 5, and mounting pieces 2. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止积雪的盖，其重量轻且易于安装，并且防止在输电线钢塔的臂部或塔体上积雪和积雪。
解决方案：用于防止积雪的盖子以斜坡的形式附接到输电线路钢塔的臂部A的积雪危险部分H，并且配备有塑料板1，金属加固周边框架5和安装件2.版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2004096884A Of cable removing device and removing method therefor 有权
标题翻译：的电缆去除装置及其移除方法
公开(公告)号：JP2004096884A
公开(公告)日：2004-03-25
申请号：JP2002254411
申请日：2002-08-30
申请人： Ryosei Densetsu Kk , 菱星電設株式会社
发明人： MIYAHARA MANABU
IPC分类号： B23C3/12 , H02G1/06
摘要： PROBLEM TO BE SOLVED: To provide an OF cable removing device which can remove existing OF cables left in a cable duct and reuse the cable duct. SOLUTION: The OF cable removing device comprises a pulling wire (3) which is inserted into the oil passage (10) in an OF cable (1), a take-up means (4) which is set at one-end opening (2a) of a cable duct (2) and takes up the wire (3), a cutting body (5) which is connected with one end (3a) of the wire (3) and pulled from the other-end opening (2b) to the one-end opening (2a) of the cable duct (2) by the take-up means (4), a driving means (7) which is set at the other-end opening (2b) of the cable duct (2) and rotates the cutting body (5) through a shaft (6), and a chippings suction pipe (9) whose tip (9a) is open behind the cutting body (5) and which is inserted into the cable duct (2) following the cutting body (5). COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种OF电缆去除装置，其可以去除电缆管道中留下的现有的电缆并重新使用电缆管道。解决方案：OF电缆去除装置包括以OF电缆（1）插入到油通道（10）中的牵引线（3），设置在一端的卷绕装置（4）电缆导管（2）的开口（2a）并且接收线（3）;切割体（5），其与线（3）的一端（3a）连接并从另一端开口 2b）通过卷取装置（4）连接到电缆导管（2）的一端开口（2a）;驱动装置（7），其设置在电缆导管的另一端开口（2b）（2），并且通过轴（6）旋转切割体（5），并且其尖端（9a）在切割体（5）的后面开口并插入电缆导管（2）中的切屑吸入管（9））跟随切割体（5）。版权所有（C）2004，JPO

7. 发明专利

JPH10299955A RIGID PLASTIC PIPE AND ITS TRANSFER METHOD 失效
公开(公告)号：JPH10299955A
公开(公告)日：1998-11-13
申请号：JP10339397
申请日：1997-04-21
申请人： MITSUBISHI CABLE IND LTD , OSAKA MEDIA POOTO KK , RYOSEI DENSETSU KK
发明人： IIO TERUNOBU , KUZUSHITA HIROKAZU
IPC分类号： B65H54/02 , B65H67/00 , B65H75/36 , B65H75/40 , F16L9/12
摘要： PROBLEM TO BE SOLVED: To provide a long size rigid plastic pipe which can be transferred by a normal ground transfer means such as a truck, and to provide its transfer method. SOLUTION: This rigid plastic pipe P is a long size pipe with the inner diameter, the thickness, and the bending rigidity, 20 to 40 mm, 1 to 3.5 mm, and 3×10 to 3×10 kg.mm , respectively, and it is transferred by a vehicle by winding it on a drum and the like, at the bending diameter 40 to 100 times of the outer diameter of the pipe P. This pipe P is very useful to insert a subduct, by inserting it in a cable duct.

8. 发明专利

JP2003333719A Diameter enlarging apparatus for cable conduit 审中-公开
标题翻译：电缆线直径扩大装置
公开(公告)号：JP2003333719A
公开(公告)日：2003-11-21
申请号：JP2002142513
申请日：2002-05-17
申请人： Hanshin Kensetsu Co Ltd , Ryosei Densetsu Kk , 株式会社ハンシン建設 , 菱星電設株式会社
发明人： FUKAI AKIRA , MIYAHARA MANABU , HAMANO TOMOJI
IPC分类号： F16L1/024 , H02G1/06 , H02G9/06
摘要： PROBLEM TO BE SOLVED: To provide a diameter enlarging apparatus for a cable conduit capable of cutting/forming a hole part at a normal position with the axis of the cable conduit as the center. SOLUTION: There are provided a shaft 1 which is inserted into a cable conduit K, a disc-like cutter 3 which is attached to the tip of the shaft 1 and enlarges the cable conduit K by cutting from the side of an inner peripheral surface 45, and a near barrel-like spring guide body 6 which is free to contract/ expand in diameter and is disposed closer to a base end side than to the cutter 3 while capped over the shaft 1. The spring guide body 6 which has an outer diameter larger than the inside diameter of the inner peripheral surface 45 of the cable conduit K in free state guides the cutter 3 along the axis of the cable conduit K by constantly and resiliently energizing the inner peripheral surface 45 of the cable conduit K. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种用于能够以电缆导管的轴线为中心在正常位置切割/形成孔部分的电缆导管的直径扩大装置。解决方案：提供了一个轴1，其插入到电缆导管K中，一个盘状切割器3，其连接到轴1的尖端，并且通过从内部的侧面切割来放大电缆导管K 外周面45和近似筒状的弹簧引导体6，其可自由地收缩/扩大直径并且被设置成更靠近基端侧，同时被盖在轴1上。弹簧引导体6 具有比自由状态下的电缆导管K的内周面45的内径大的外径，通过对电缆导管K的内周面45进行恒定且弹性地通电来引导切割器3沿电缆导管K的轴线版权所有（C）2004，JPO

9. 发明专利

JPH10336828A PIPELINE INSPECTION DEVICE 失效
公开(公告)号：JPH10336828A
公开(公告)日：1998-12-18
申请号：JP16344897
申请日：1997-06-04
申请人： MITSUBISHI CABLE IND LTD , RYOSEI DENSETSU KK
发明人： FUKUI MASAHIRO , TAKESHITA TAKANORI , OE TADAO , ICHIHARA MUNEAKI
IPC分类号： H02G1/08
摘要： PROBLEM TO BE SOLVED: To provide a pipeline inspection device with excellent safety and durability, which has a wide visual field, good resolution and a long insertable length, by involving a light guide for sending the light which irradiates the front end direction of an insertion body, and a CCD camera for photographing the front end side. SOLUTION: This device is provided with a flexible insertion body 1 which is inserted in a pipeline to inspect the inside of the pipeline, and a rewinding and supply device 3 which conducts rewinding and supply. A front end part A is attached at the insertion body 1 through a joint part so as to be detachable, and a CCD camera for photographing the front end side is included in the front end part A. This device is capable of being formed so as to have a rewinding wheel 4 whose diameter is approx. 1500 mm to 2500 mm, and so that the insertion body 1 consisting of high rigidity pipe may have the outer diameter of approx. 15 mm to 20 mm. A coaxial cable, a light guide, a power cord, and a pipe for forcibly-feeding fluid are stored in the pipe. It is thus possible to provide wide visual field, good resolution, and increase an insertable range significantly for a pipeline inspection device with excellent safety and durability.

10. 发明专利

JPH10322832A FRONT GUIDE ROD FOR PASSAGE INTO CONDUIT LINE 失效
公开(公告)号：JPH10322832A
公开(公告)日：1998-12-04
申请号：JP14086797
申请日：1997-05-14
申请人： MITSUBISHI CABLE IND LTD , RYOSEI DENSETSU KK
发明人： KIMURA KATSUHISA , YOSHIKAWA MAKOTO
IPC分类号： H02G1/08
摘要： PROBLEM TO BE SOLVED: To smooth the push in of a linear body into a conduit line, by setting the length of a top guide rod with a specified outside diameter to be larger than the specified maximum length and smaller than the specified dimension, when it is made with the specified maximum length where a virtual column rigid body with a specified outside diameter can be inserted along the trough of a cable strand into the vacant space of a conduit line. SOLUTION: It is assumed that a triplex type of CV cable 6 comes to the opposite poles of the lowermost position and the uppermost position within a conduit line 7, at the first position a and the second position c at mutual interval of p/3, with the strand pitch of the triplex type of CVD cable 6 being p. Then, when it is defined that the maximum length where the virtual column rigid body 10 with a specified diameter d can be inserted along the trough 12 of the cable strand into the vacant space of the conduit line 7 is L0, the length L of the tip guide rod with a specified outside diameter d is set to be larger than the maximum length L0, and besides to be smaller than (L0+100 mm). As a result, a linear body can be pushed in smoothly and besides surely into an existing conduit line 7.

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