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JP3639209 |
To provide a POF cable line which prevents oil leakage outside the cable when a line-to-ground fault occurs in the POF cable and bores a steel pipe. An epoxy-glass tape winding layer whose thickness is at least 1 mm, is provided on an an...
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JP3636623 |
To obtain a resin composition for cables which has excellent flexbility, electroconductivity, hygroscopicity, or the like, as well as a communication cable and a power cable having a resin part composed of the resin composition. This res...
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JP3634189 |
To provide a compressed gas insulated transmission line in a pipe line absorbing thermal expansion and contraction by deflecting a sheath tube. This expansion and contraction absorbing structure is for a compressed gas insulated transmis...
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JP2005003548 |
To easily assure quality over the full length of a long solid insulation cable, using an inexpensive testing facility of a relatively light weight.In this testing method for the solid insulation cable 11 for assuring the quality of the c...
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JP2004363020 |
To provide an AC power cable having non-crosslinked polyethylene as an insulator which maintains a conductor allowable temperature and a high temperature insulation breakdown property comparable to a power cable having the conventional g...
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JP2004363021 |
To provide a polyethylene mixture in which resin burning generated in the extrusion process of a long power cable is prevented and extrusion covering of the insulator of the power cable can be done continuously and a manufacturing method...
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JP3614484 |
PURPOSE: To provide a high-viscosity-oil-impregnated insulated cable which has an insulating layer formed by winding of insulating paper impregnated with a high-viscosity insulating oil and which can be used in long sizes and prevents it...
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JP2004311063 |
To provide a power cable excellent in a heat resistance and a water treeing resistance, capable of simultaneously biodegrading a semiconductor layer and an insulating layer and reducing a load applied to an environment in waste disposal ...
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JP2004311064 |
To confirm whether a polylactic acid resin can be used as an insulating material for a DC power cable, and find a preferable blending constitution when using the resin as the insulating material for the power cable.In the DC power cable,...
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JP2004274913 |
To obtain a structure which allows a size and weight to be reduced, can be easily assembled at low cost, and can enhance characteristics.To mitigate an electric field at a point of an electric field concentration on a high voltage side, ...
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JP2004273233 |
To facilitate the grounding treatment of a metal water sealing layer in a cable with the metal water sealing layer having a shielding layer.A metallized tape layer 11 is formed by wrap-winding a first metallized tape 12 made by pasting a...
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JP2004259498 |
To provide a combined cable formed by bundling a power cable and a communication cable together without making them in direct touch with each other.The combined cable comprises a power cable 2 and a communication cable 3 housed in tubula...
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JP2004259204 |
To lower the temperature in a device body by time control in adding fan control on time axis to fan control using a temperature sensor, and setting the fixed stop time at the time of starting.This fan control device includes: a temperatu...
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JP2004259579 |
To provide a recyclable cable with an excellent recycling property as a power cable as well as with an excellent heat deformation property and heat resistance.Of the power cable consisting of one or a plurality of conductors and an insul...
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JP2004236378 |
To provide a joint for a plastic-insulated power cable which can shorten the connection time and reduce the work execution cost.This is a joint for a plastic-insulated power cable where a rubber insulating tube 3 (14, 15, and 16) is moun...
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JP2004207085 |
To provide an electromagnetic shield cable improving shielding effect.The electromagnetic shield cable 1 comprises a three core cable 7 formed by twisting three insulation wire cores 4 and providing a sheath 6 on the twisted three insula...
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JP3575030 |
PURPOSE: To provide a d.c. high voltage cable with an excellent insulation characteristic by using a specified resin composite as the insulator thereof so that accumulation of space charge caused by d.c. high voltage application is preve...
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JP2004178869 |
To provide a method for connecting a laminated tape for a cable and its connecting portion wherein electrical connection is surely achieved to the laminated tape for the cable at a tape connecting portion, tape grasping strength at the t...
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JP2004178867 |
To provide a power cable which has superior adhesiveness between an insulating layer and a semi-conductive layer and is excellent in a heat resistance and a recycle property.This power cable having one of structures (A)-(C) has an inner ...
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JP2004178870 |
To provide a water sealing cable for surely preventing deformation and an external injury due to thermal expansion of a cable core and a damage of a wire shield layer due to buckling and a breakage of a shield wire, improving workability...
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JP3560833 |
To provide a cable provided with detecting function having the terminal structure capable of easily detecting disconnection, even in a stage in which disconnections of a metal raw wire of a shielding layer of a cable are partially genera...
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JP2004139848 |
To provide a submarine solid cable having little possibility of being damaged even if it is laid in the deep sea, and having capability to transmit power over a long distance.This submarine solid cable is provided with a conductor 1 and ...
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JP3547563 |
To minimize the deterioration of a DC breakdown resistant characteristic even if a de-oiling void is produced in oil immersion insulating material resulting from temperature change or the like by setting the insulation resistance of the ...
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JP3547219 |
To prevent generation of cracking on a lead layer on an insulation layer by forming the lead layer of filtered lead for eliminating oxide of such sizes as to cause deterioration. For a power cable 1 including oil, for example, paper is w...
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JP2004127836 |
To prevent a halogen-free electric wire from being oxidized and ionized, and to prevent the wire from deteriorating.A polyethylene terephthalate layer (PET layer) is provided by coating on an outer peripheral surface of a conductor made ...
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JP3543985 |
PURPOSE: To make the outer diameter of an X-ray cable smaller by reducing the moisture amount in a high voltage insulator so as to improve the DC destructive stress of the high voltage insulator. CONSTITUTION: To the outer periphery of a...
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JP3533290 |
To improve withstand voltage characteristics by increasing a plastic percentage of an insulator of a conductor side insulation layer, reducing an insulation oil quantity of this portion, and eliminating negative pressure phenomena and vo...
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JP3533286 |
To satisfy electric characteristics without losing water supply prevention performance during water invasion by providing a water absorption expansion and wetting layer for a cable sheath and winding an expandable metal wire. An internal...
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JP2004022309 |
To provide a plastic insulation direct-current power cable and its manufacturing method excellent both in direct current breaking strength and impulse breaking strength and fitted for long extrusion.In an interface area of an insulation ...
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JP2004014336 |
To provide a high voltage cable for X-rays that has small electrostatic capacity and small outer diameter and is of light weight, and can be applied for a low exposure X-ray device of pulse-voltage drive type.This is the high voltage cab...
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JP2004010864 |
To provide a tracking-resistant resin composition crosslinkable with water, having excellent mechanical characteristics, without causing surface roughness, and therefore having excellent moldability so as to exhibit uniform electrically-...
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JP2004004997 |
To provide a new device for housing a cable.Flexible material formed to regulate at least one channel in a longitudinal direction constituted to house and hold the cable is used in a structural body constituted to house and hold at least...
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JP2003348744 |
To provide a terminal for direct-coupling apparatus, such as a dead flake elbow, a load break elbow, etc., which can be used, even at a temperature not lower than 80°C or not higher than -40°C by widening the usable temperature range. ...
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JP3498747 |
PURPOSE: To stop to a minimum environmental pollution resulting from a leak of insulating oil from a subaqueous oil-filled cable by specifying the specific gravity of the insulating oil filled in the cable. CONSTITUTION: Although the tem...
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JP2003344729 |
To provide a means of transmitting electrical signals as well as optical signals. The combined optical and electrical transmission cable (100) includes an optical fiber (102) and an electrically-conductive sleeve (108) that surrounds the...
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JP2003334464 |
To provide a cable for discharge crushing which is light and easy in handling.The cable for discharge crushing is made by twisting a required number of coaxial power cables 11, each of which has an internal conductor 1, an insulating lay...
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JP2003331653 |
To provide a high dielectric constant silicone rubber material for a power cable connecting unit, which is capable of effectively easing the concentration of electric field at the end of an external semiconductor layer, and has superior ...
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JP2003324814 |
To contrive effectively utilize an existing duct by facilitating the removal work of an OF cable 12.To remove the OF cable 12, first of all, a spiral pipe 26 is pulled out from the wiring path of the existing duct. Subsequently, at least...
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JP2003317544 |
To provide an ecological tape for relaxing an electric field.The tape for relaxing the electric field is a mixture of nitrile rubber and/or hydrogenated nitrile rubber and acrylic rubber and/or ethylene acrylic rubber, and is formed usin...
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JP2003309914 |
To provide a rubber insulation tube diameter-enlarging device for power cable connection capable of preventing any damage from being done to a rubber insulation tube by relieving strain to the rubber insulation tube and preventing the oc...
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JP3478302 |
PURPOSE: To provide an enhanced method of dielectric characteristic of new or used electric cable. CONSTITUTION: For an insulator 12 of a cable 10, a water-reactive treeing inhibitor with a diffusion coefficient of at least 1×10-7 cm2/s...
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JP2003272443 |
To provide a semiconductive resin composition having both releasability and cross-linkablity and a power cable having an external semiconductive layer consisting of the semiconductive resin.The semiconductive resin composition having rel...
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JP3475436 |
PURPOSE: To obtain DC high-voltage power cable preventive of space charge accumulation due to applied DC high voltage and excellent in heat resistance like XLPE insulation cable. CONSTITUTION: The insulator of a DC power cable is formed ...
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JP3475433 |
PURPOSE: To provide an electric cable coated with an insulator which is hardly cracked by corrosion stress and whose breaking force is not lowered by harden ing carbon fibers like a wire, coating the fibers with a conductor, and strand c...
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JP2003257248 |
To provide a semiconductive (or insulating) tape that satisfies requirements of cold flow, sealing to the core, smoothness, and semiconductivity (or insulation), without using the calender process device that is of high cost and requires...
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JP3465237 |
To facilitate the grounding treatment of a metal water sealing layer in a cable with the metal water sealing layer having a shielding layer. A metallized tape layer 11 is formed by wrap-winding a first metallized tape 12 made by pasting ...
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JP2003223818 |
To provide a portable power cable which has a high wear resistance for its sheath, can easily be handled due to light weight, is recyclable, and generates no gases including hazardous halogens upon disposal.The sheath 7 of the portable p...
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JP3459079 |
PURPOSE: To provide an insulating composition capable of maintaining the excellent dielectric characteristic (tan δ), particularly even under a high temperature and a high electric field. CONSTITUTION: This is an insulating composition ...
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JP3453150 |
PURPOSE: To provide an oil-impregnated power cable having an insulation layer consisting of a composite film including a polyolefin layer and a paper insulation layer, which in particular shall favorably be applied to a marine cable, and...
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JP2003197044 |
To provide an aerial distribution line having wear resistance and weather resistance, in particular, an aerial distribution line capable of detecting damage due to contact with a tree.In the aerial distribution line, an outer circumferen...
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