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JP10125155 |
To repair a shed section having a defect without wasting a good shed section by partially removing the shed section having the defect, and joining a repairing material to the removed portion for repair. When a defect section 11 exists at...
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JP10117425 |
To provide a tubular elastic cover for electrical component whose mechanical requirements including expansibility and elastic recovery in its radial direction and whose electric/environmental requirements including resistance against tra...
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JP10106375 |
To prevent a break of a rib at the time of drying a formed body by making the cross-section shape of a body discharging hole be an ellipse shape of which the major axis is positioned so to be in the circumferential direction. In a rotary...
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JP2774455 |
PURPOSE: To manufacture various composite tapered porcelain tubes corresponding to plural voltage grades with only the minimum manufacturing facility and markedly reduce the product cost. CONSTITUTION: Outer covers 12A, 12B, 12C and plur...
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JP10097817 |
To secure functional reliability and electrical characteristics. In a plastic complex insulator including a shank 2 and at least one shield and a cap, the shank 2 comprises a fiber reinforced plastic core 3 and a shield exterior 4 having...
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JP10092247 |
To provide the molding method of a polymer porcelain tube with no position slippage of a covering rubber to an FRP core and no requiring of after-working for repair. A tapered polymer porcelain tube is molded in such a way that a tapered...
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JP10092245 |
To easily release a composite insulating tube from a mold when the composite insulating tube is molded with the mold. In a composite insulating tube molding mold comprising a pair of mold units 1-1, 1-2, a covering forming recess 2 for f...
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JP10092250 |
To provide a method for manufacturing an insulator for an electric appliance having the prescribed profile and utilizing a relatively inexpensive material. This method has a process for forming a cover main body made of a cross-linkable ...
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JP10092240 |
To provide an automatic impregnating processor capable of easily removing cured materials laminated on a floor of a curing furnace regardless of whether a kind of resin is vanish or resin or whether impregnating process is an impregnatin...
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JP10092248 |
To provide a tapered polymer porcelain tube molding method in which the adhesion between an FRP core and a covering is good and provide a mold device using this method. A tapered hollow core member 2 is arranged within a polymer porcelai...
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JP10092246 |
To manufacture a composite porcelain tube having a good adhesive property with good productivity in a short time by heating a hollow core member arranged in a die to the prescribed temperature, then heating the die, and hardening an enve...
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JP10092249 |
To provide a polymer porcelain tube molding method capable of obtaining sufficient adhesion of a flange fixture with a silicone rubber and shortening curing time. A hollow core member 2 with flange fixtures 3-1, 3-2 at both ends is arran...
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JP2763501 |
PURPOSE: To improve the manufacturing efficiency of a composite insulator by shortening the time of a series of processes for releasing the obtained composite insulator from a die. CONSTITUTION: Reaction hardened objects of plural liquid...
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JP10064335 |
To provide a stable precursor for forming a ferroelectric thin film with high quality (such as high density) at low temperature. A metal acetate and a metal alcoxide are dissolved in an organic solvent, then while the organic solvent is ...
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JP10050160 |
To manufacture the insulator by utilizing coal ashes as waste, and furthermore satisfy its strength as the insulator by enhancing the strength and stiffness of the insulator. Coal ashes and fibrous material are added to heat-curable to t...
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JP10031923 |
To provide a die for forming complex insulator, which is embodied on a module type and can easily be assembled, dealed with, and transported. A module type die unit is to form a complex insulator composed of a rod-shaped core member of F...
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JP10021770 |
To easily control the working allowance of the diameter at the junction end part of a large truncated cone mandrel element and a small diameter side truncated cone mandrel element and hardly damage the junction end part while the seaprab...
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JP09330628 |
To prevent a parting line from being generated on a resin insulator by evacuating between an elastomer tube and the inner face of a die to stick the elastomer tube, then injecting silicone rubber for molding. An insert part is inserted i...
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JP09320368 |
To provide an organic composite insulator having a superior boundary face insulation characteristic in a short time relying on no large-size manufacturing facility by simultaneously cross-linking injecting respective rubber-made annular ...
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JP09320369 |
To provide a small and lightweight capacitor bushing which is excellent in mechanical strength and has a simple structure by using silicone rubber for an envelope, and closely sticking the same to a resin paper capacitor portion through ...
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JP2718889 |
PURPOSE: To provide a cutting position positioning method for an insulator, which can cut off the insulator based on the boarder line of each sand coating section with no manual operation required. CONSTITUTION: An insulator 1 equipped w...
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JP09274823 |
To provide a manufacturing method for an epoxy condenser insulation cylinder in which electrostatic capacitance stable, void, separation, crack, and the like are not allowed, and quality is superior by controlling the curing process of r...
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JP09259673 |
To provide a method of manufacturing a compound insulator which prevents generation of a crack in both end parts of a core part, by cooling both the end parts of the core part, in the case of manufacturing a barrel part and an umbrella p...
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JP09259675 |
To provide a method and device glazing an insulator corner part which can uniformly apply a glaze, by bringing a glazing roller impregnated with the glaze into elastic contact with a corner part between a rotating insulator head part and...
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JP09259674 |
To provide a repair method for an umbrella part of a compound insulator which can repair the umbrella part having a defect, without wasting the umbrella of a good product, by cutting off the umbrella part having the defect in the periphe...
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JP09259671 |
To provide a n FRP tube for polymer insulating tube which can improve a yield rate of a product by preventing generation of a flaw in an internal peripheral surface of the FRP tube, by providing a buffer layer in a part changing at least...
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JP09259667 |
To provide a polymer insulating tube which prevents a progress of separation from an incomplete bonding part, eliminate accumulation of rainwater, improves insulation reliability in a connection part and improves insulation reliability f...
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JP09259677 |
To provide a glazing method for suspension insulator which can form a uniformly thick glaze layer without generating a pin hole in a bottom part of a rib, by rotating the suspension insulator at a fixed speed in a glaze tank for a prescr...
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JP09259669 |
To provide an optical fibers-built-in insulator at high manufacturing efficiency and low cost. This optical fibers-built-in insulator comprises a cylindrical core body 11 made of a reinforced plastic and having a prescribed length, optic...
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JP09259668 |
To provide an FRP cylinder for polymer insulator tubes with which the cost is remarkably lowered and time limit of delivery can be shortened. In an FRP cylinder 1 for polymer insulator tubes comprising a thin diameter part 2, a tapered p...
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JP09259676 |
To provide a method and an apparatus to reliably remove glaze flow caused in a suspension insulator without using a brush. A lower face nozzle 2 to jet air upward to the lower face of a suspension insulator 1 is installed at a rotating p...
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JP09251816 |
To mold sheaths of a plurality of types of composite bushings with a single die system by forming a mold unit for molding a composite bushing tapered sheath for use in molding one arbitrary of the plurality of types. A mold unit 4 for mo...
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JP09248831 |
To prevent a crack from being generated in a sheath of a composite insulator and a parting line part of a cap part. When a sheath and a cap part of a composite insulator equipped with holding metal fittings 5, 6 fitted by being inserted ...
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JP2698528 |
PURPOSE: To prevent breakage in molding without increasing the production cost and lowering the productivity in an electrical insulating material for a housing of a nonceramic insulator. CONSTITUTION: This electrical insulating material ...
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JP09237540 |
To provide a method of manufacturing a polymer insulating bush which can be formed in a small size with a cost reduceable, by decreasing a diameter of a flange metal fitting, in the polymer insulating bush wherein an insulation distance ...
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JP09237537 |
To provide a polymer LP insulator and a method of its manufacture capable of obtaining a product of high reliability without generating a fine crack in an FRP rod at use time and manufacture time. In a space 11 generated in an FRP rod 2,...
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JP09231847 |
To generate a high bonding force of a core with a metal piece which should be established through compression using a compressive die, by performing the compression bit by bit in a plurality of runs of compressing operation from the open...
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JP09231845 |
To provide a complex insulator tube standing water washing satisfactorily and capable of maintaining a specified voltage without requiring significant enlargement of the overhung part of a water-cut shade by furnishing the shade with a r...
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JP09216227 |
To obtain a molded item of rubber having high mechanical strength by forming the axis of an injection hole so as not to intersect the axis of a core material to restrain a joint of rubber from being produced as far as possible. An indent...
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JP09216233 |
To eliminate the necessity of the work for embedding a hole without protective rubber formed on the position to which an injection hold of rubber corresponds when a rubber mold used for a power cable connecting section is molded. A mold ...
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JP2680538 |
PURPOSE: To increase dielectric breakdown strength without degrading mechanical strength by providing specified layers in the suspension insulator where both the inner and outer circumferential surfaces of the head section of a specified...
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JP2669607 |
To provide an insulator having no air in both fittings-support connecting areas, and an extremely excellent insulation sealing, and a manufacturing method and an apparatus. An insulator comprises a pair of fittings 2A, 2B fixed at both e...
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JP09171729 |
To simply provide an efficient insulator by covering a core made of glass fiber reinforced plastic by heating and hardening an additive hardening type of silicon rubber composition having specified viscosity by means of injection molding...
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JP09161576 |
To provide a large-sized composite insulator simply and inexpensively. A complex insulator 1 of polymer is composed of a core part 2, a body 7 in the form of a coping 6 protruding from the core 2, and a rubber sheath layer 8 having a cer...
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JP09153315 |
To prevent infiltration of water such as rain water from the exterior to the interior and to prevent leakage of pressurized gas or oil and infiltration of moisture of the outside air between the interior and the exterior of a composite i...
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JP09153316 |
To provide a method for jointing a core tube of a composite bushing to a flange metal by press-fitting wherein there is no need to keep the core tube of the composite bushing and the flange metal fixed to each other until a resin has cur...
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JP09139133 |
To manufacture an insulator in such a manner that anchor metal fittings do not obstruct mold operation by constituting mold's split openings in anchor metal penetrating positions of a pair of anchor metal fittings penetrating split openi...
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JP09139134 |
To finely and evenly disperse minute particles to be mixed and improve heat resistance and toughness. A rubber particle 3 is entered and agitated with a high speed while a hardening agent 4 is agitated, and the hardening agent is immerse...
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JP09134631 |
To improve workability when an electric insulator is manufactured by superposing two pieces of electric insulating paper on each other, and prevent the superposed electric insulating paper from being dislocated even in either direction. ...
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JP09129069 |
To manufacture a reliable large-sized polymer insulating tube at relatively low cost by spirally winding and adhering a silicon tape made into a T-shaped sectional continuous form on the outer surface of a glass fiber- reinforced plastic...
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