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JP2866645B1 |
[wrap up] [Task] Provided is a method for drying an insulator, which can be dried in a much shorter time than before without causing sharpening of the insulator. A ventilation chamber 7 partitioned by a breathable partition 6 such as pun...
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JP2866644B1 |
[wrap up] [Task] Provided are a method and an apparatus for applying a glaze to the inner surface of an insulator, in which the glaze does not drip, the glaze thickness can be freely controlled, and a low-moisture glaze can be applied. A...
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JP2860262B2 |
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JPH1134157A |
To manufacture an overlap type corrugated tube by using a blow molding method as a molding method of the tube put into a practical use at present. This corrugated tube is obtained by rounding a tape-like main member 1 in a cylindrical st...
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JP2849544B2 |
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JP2840050B2 |
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JP2837978B2 |
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JPH10321067A |
To provide a polymer insulator wherein insulation property can be held surely over a long period of time. This insulator 11 is provided with a rod 13 equipped with an umbrella-shaped outer cladding 12 on its outer circumferential surface...
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JP2828155B2 |
PURPOSE: To completely prevent the contamination of foreign matters or moisture and to reduce the dissolving amt. of air by supporting a rubber mold stress cone molding at its outer periphery and upper surface by a supporter and an elast...
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JPH10312724A |
To reduce the outflow of crude rubber from a die and simply position an FRP core by using the first dies parting in the axial direction of a core section for molding the envelopes at both end sections of a polymer insulator constituted o...
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JP2824025B2 |
PURPOSE: To surely manufacture a composite insulator excellent in quality by arranging sheaths continuously aligned with plural mold portions at intervals between adjacent opposite end sections, and filling a relay insulating material in...
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JP2820380B2 |
A composite insulator includes an insulating rod, an elastic insulating material molded around the insulating rod and having a plurality of shed portions, and end fittings fixedly fitted around opposite ends of the insulating rod. The en...
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JPH10289626A |
To provide a polymer insulator and a manufacturing method thereof which can attain cost reduction for the whole insulator and visual discrimination of erosion development in a preferable embodiment. This polymer insulator 1 consists of a...
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JPH10283865A |
To efficiently perform mounting and removal of a nut setting cap using an indirect tool, wherein the cap prevents slackening of a nut to fasten a pin insulator attached to an arm metal piece of an electric pole. A mounting/detaching tool...
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JPH10278166A |
To provide a heat-resistant insulating laminate capable of being safely produced and used without obstructing health of a manufacturer or a consumer and having heat resistance far more excellent than that of a conventional product. A mix...
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JPH10269878A |
To provide a method for holding a polymer insulator and dies to be used therefor, which can make a long term strength degrading rate small, when a FRP core is joined with a metal fitting by means of compression using compression dies. In...
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JPH10265280A |
To provide a producing method of a ceramic product capable of remarkably shortening lead time compared to the conventional method by effectively using inevitable stagnant time before being fed in a furnace. A ceramic product such as a gl...
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JP2804451B2 |
PURPOSE: To provide a compression mold for producing a composite insulator reducing burr in a molding process and enabling the uniform filling with a material. CONSTITUTION: The partition plate 7 formed to one mold unit 1, the means ener...
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JP2795839B2 |
An electrical insulator comprising a cylindrical core (2) of an insulating refractory material, such as porcelain, onto a portion of the curved surface of which a sleeve (8) of insulating polymeric material is fitted. Metal end-caps (4),...
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JPH10228826A |
To provide a polymer insulator whose life is prolonged by reinforcing the outer coating part near a line side where deterioration proceeds most quickly and suppressing the deterioration. This polymer insulator 1 comprises a FRP rod 2, an...
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JPH10223072A |
To provide a polymer bushing suitable for pour-type mold forming wherein mold cost for forming can be lowered and production manhour can be reduced. In a polymer bushing 1 which comprized a core member and an outer cladding 5 that is for...
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JPH10214533A |
To increase rigidity, also facilitate manufacturing, thereby form a water drip shade at a low cost, by molding by a die to vulcanize material same as that of a jacket to form the water drip shade, having a diameter larger than that of th...
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JPH10214529A |
To provide a polymer insulating tube with a capping group wit different leakage distances, long enough to economically obtain leakage distances required for a preset staining degree, and a mold used in manufacturing it. A polymer insulat...
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JP2784716B2 |
PURPOSE: To provide a method for molding ceramics which are constituted in such a manner that the density distribution of a body is forcibly equalized in a molding step and the tissue of the body can be made fine, in a combined press-mol...
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JPH10199351A |
To strengthen adhering of a core material and an umbrella material without employing a special primer, improve insulation property, and reduce manufacturing cost by winding a roving formed by an insulation material around an outer periph...
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JP2781355B2 |
A composite insulator-producing lateral type molding apparatus includes a mold body constituted by a first molding unit and a second molding unit, each of said first and second molding units being provided, at an inner peripheral face, w...
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JP2781354B2 |
A segment used for producing a composite insulator having a core member and a housing member arranged around the core member and constructed by a trunk portion and a shed portion is disclosed. The segment has a pair of segment molds deta...
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JPH10188707A |
To provide a compound insulator molding method and a metal mold device used therefore which enable obtaining a good product by ending molding and vulcanizing in a short time without exerting an adverse effect on the product. A molding me...
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JP2774455B2 |
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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JPH10172369A |
To increase the bending load generating the separation of an adhesive face between a core member and a metal fitting for mounting, to improve the workability, and to save labor for the work, by forming a recess on a given position of an ...
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JPH10172368A |
To provide a water-drip-shade-equipped polymer insulator and a method for manufacturing the same, by which a polymer insulator can be provided with a water drip shade without requiring a large mold and the water- drip-shade-equipped poly...
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JPH10162668A |
To precisely position an optical fiber on the outer circumference of a core member in spiral state, lower the fluidizing resistance of an outer coating forming material in an outer coating forming space in molding dies, and produce a com...
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JPH10162667A |
To prevent crack formation in the surface of the middle part of an insulating support material having installation metal fittings in both ends and at the same time to make the support material light weight and to increase the tensile str...
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JP2763501B2 |
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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JP2761107B2 |
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JP2761112B2 |
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JPH10149733A |
To provide a manufacturing method of polymer insulator tubes by which polymer tubes are manufactured through a lessened number of processes while eliminating vain use of an insulating polymer material and at the same time by which polyme...
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JP2757695B2 |
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JPH10117425A |
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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JPH1092240A |
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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JPH1092247A |
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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JPH1092245A |
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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JP2737809B2 |
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JP2718889B2 |
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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JP2712256B2 |
A plastic electrically insulating substrate, having high thermal conductivity, for wiring circuit boards including a substrate having a front surface for mounting an electrical device back surface. The substrate is made of a laminate of ...
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JPH1021770A |
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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JP2698528B2 |
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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JPH09320368A |
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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JPH09320369A |
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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JP2685652B2 |
The present invention aims at providing a solid insulator of a high strength, and a method of manufacturing the same. The solid insulator is characterized in that it consists of porcelain in which the quantity of crystals of cristobalite...
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