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JP04137321 |
PURPOSE: To separate a molding from a suspension insulator smoothly, without deforming the formed suspension insulator by keeping quantity of airflow of a gas permeable iron on the end face of central nose part, on the side face of the n...
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JP04137322 |
PURPOSE: To elongate life the of an iron even under a hard and poor using condition by forming, an iron body of a ductile cast iron or a steel of specific content ratio of carbon and forming vanadium-carbide-coating layer on the outer su...
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JP04080025 |
PURPOSE: To obtain a conductive sheet having high heat resistance, flame retardance and electric insulation by integrally forming a layer made of a polymethaphenylene isophthalamide fiber on one or both surfaces of a conductive layer mad...
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JP04047614 |
PURPOSE: To prevent generation of bubbles for improving press workability by forming unevenness having surface roughness of Rz 5 to 25μm on the thermosetting adhesive surface in a cover film consisting of an electrical insulating film, ...
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JP04043516 |
PURPOSE: To simplify the work and to make the cost and the maintenance favorable by moving and inserting a holding pin to one of pin holes provided responding to the insulating rings of various different diameters respectively. CONSTITUT...
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JP04033216 |
PURPOSE: To surely realize a hollow in a sleeve without using a wire and manufacture a long sleeve by dipping a sleeve tubularly braided with heat-resistant fibers in a heat-resistant paint, inserting the sleeve between a pair of pressin...
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JP04012650 |
PURPOSE: To suppress overheat by adding an air blow inside a high frequency coil to the substance to be processed which causes overheat tendency in a preheat process. CONSTITUTION: A conveyor 1 is moved intermittently by two pitches at a...
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JP03276522 |
PURPOSE: To prevent the occurrence of a crack in the porcelain part of an inorganic glass sealing part and its perimeter by providing recessed parts, housing heating elements for forming an inorganic glass sealing part with inorganic gla...
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JP03272521 |
PURPOSE: To prevent unfavorable conditions such as lowering of an insulation level, lowering of earthquake-proofness or erroneous action of a mechanical part caused by stuck ice and snow by heating an insulator by means of a heating memb...
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JP03271166 |
PURPOSE: To effectively prevent the irregularity of the resistances of the respective calcined ceramic molded products although the ceramic molded products are placed at different positions, respectively, by combining a lidded bowl main ...
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JP03269918 |
PURPOSE: To prevent any fracture of bonded end surfaces by providing a small radius at the center of each bonded end surface, which is formed into a V-shaped cross section, of insulating tube pieces in an upper side while a large radius ...
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JP03269917 |
PURPOSE: To reduce a manufacturing cost by bonding unbaked insulating tube pieces to each other with glaze, followed by assembling and sintering. CONSTITUTION: Insulating tube pieces 1 are bonded to each other with glaze 2, and then, are...
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JP03261644 |
PURPOSE: To shorten the aging period and facilitate the attaching and detaching work of element by attaching a number of eyelet-shaped small terminals to a plate base closely contacting with an end face of a ceramic body composed of a me...
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JP03261013 |
PURPOSE: To heighten junction force to cement by performing a corrugating process on a metal fitting adhesive part of an insulator compact which is not yet dried, while holding it between the uneven shaped inside and outside molding iron...
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JP03254909 |
PURPOSE: To prevent the occurrence of cracks in the inner surface of an insulation pipe by effecting inner diameter cutting from the inside of an insulation pipe to the midportion of a wall thickness of the insulation pipe and, thereafte...
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JP03215338 |
PURPOSE: To uniformly dry a bottomed thick ceramic material without causing defects such as cracks or patterns by drying the ceramic material by radiation heat from an infrared heater while maintaining the interior of the bottomed thick ...
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JP03215339 |
PURPOSE: To reduce labor of rotary operation of ceramic materials on a conveyor plate and to uniformly heat the ceramic materials by placing the ceramic materials through a water absorbing material of fiber on the surface of conveyor pla...
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JP03210714 |
PURPOSE: To eliminate need of a packing requiring a high size-precision in fitting an insulator into an installation part by putting a raw rubber material in a gap between the packing surface formed in the insulator and the packing surfa...
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JP03208214 |
PURPOSE: To facilitate to cope with the polluted specifications by making a process to change an outer diameter on the cylinder side corresponding to a pollution degree of the specifications before a thermal contraction process of a tube...
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JP03146762 |
PURPOSE: To uniformly bond varnish to the surface of tube without permeating the varnish into braided sleeve and to obtain a braided tube to facilitate insertion operation of inserting material in the following process by carrying out va...
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JP03122923 |
PURPOSE: To enhance the dimensional accuracy of a hollow porcelain insulator as a completed product by sending the air through a plurality of holes provided at the periphery of a die for preliminary molding, raising a bottom plate while ...
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JP03116615 |
PURPOSE: To readily manufacture a large amount of precise crystal insulating sheets in a short time by kneading silicon rubber into sheet material and extruding the sheet material while forcing air to flow out from each of air flowout pi...
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JP03101017 |
PURPOSE: To continuously manufacture a porcelain insulator a short time as a product which is the same as the ordinary product in quality by extruding specified ash soil from a tug mill and immediately performing the soil through a round...
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JP03098216 |
PURPOSE: To obtain a complex insulating rod so as to prevent the generation of a gap between a FRP rod and an insulator due to heating by enlarging the diameter of a rubber or plastic insulator heated and expanded, in a range of yielding...
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JP03098217 |
PURPOSE: To reduce hardening contraction of a FRP rod, so as to improve bonding stability of the interface between the FRP rod and an insulator by specifying a volume ratio of the fiber of a fiber reinforced plastic core body. CONSTITUTI...
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JP03055723 |
PURPOSE: To manufacture a lightning insulator excellent in strength, reliability, and in mass production by providing a tapered transparent hole on an umbrella part of the glass main body, by inserting another cylinder for lightning prot...
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JP03033297 |
PURPOSE: To obtain the subject base paper, excellent in punchability, dimensional stability, heat resistance and electrical characteristics by applying a self- emulsifiable type epoxy resin to base paper using wood pulp for laminated boa...
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JP03026504 |
PURPOSE: To release from a mold without performing separation of a thin protrusion, by a method wherein a pin whose tip reaches a recessed part is inserted freely extractably within an air hole reaching to the deep recessed part of a mol...
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JP03026507 |
PURPOSE: To constitute the title method so that disconnection is not generated in the orientation of particles in body, by a method wherein press molding of the body loaded into a position corresponding to a cylindrical part forming an a...
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JP03026506 |
PURPOSE: To release smooth a molded suspension insulator from a mold by lifting the same uniform from a mold surface without deforming the same, by a method wherein amounts of permeation at parts each of a molding tool for the insulator ...
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JP03026508 |
PURPOSE: To mold integrally an arrestor insulator having an insulating supporting cylinder for holding an arrestor element, by a method wherein body loaded within an air permeable molding bottom force provided with an uneven form corresp...
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JP03019993 |
PURPOSE: To contrive to improve the dimensional stability, punchability, etc., of a base paper by drying a resin-applied paper while suppressing the contraction thereof in the direction rectangular to the traveling direction thereof when...
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JP02247496 |
PURPOSE: To prevent a lengthy pottery molded product from being bent in a burning process by burning the lengthy pottery molded product constructed vertically supporting the top end of the product by an upper setter. CONSTITUTION: A leng...
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JP02247914 |
PURPOSE: To maintain water repellency for a long term while preventing sticking of a material causing a stain by performing surface treatment on a glass matter of the surface of an insulator constituting an insulator body by means of sil...
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JP02247915 |
PURPOSE: To reduce manufacturing cost by dipping cap metal fittings for an insulator applied hot-dipping zinc plating into the melted and heated molten zinc up to the half followed by setting the lower half being made in a set state in a...
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JP02239165 |
PURPOSE: To exactly calculate the amt. of the cement required for joining and to reduce cost by previously and exactly measuring the volume of pottery and metallic fittings prior to cementing of both. CONSTITUTION: A volume measuring jig...
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JP02183923 |
PURPOSE: To obtain an insulator with invariably stable strength by connecting a porcelain insulator main body and an insulator metal with the cement kneaded in a vacuum container controlled at the specific temperature. CONSTITUTION: Two ...
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JP02155131 |
PURPOSE: To reduce the manufacturing cost in the title bulkheads by forming materials different in the strength after the forming to each other. CONSTITUTION: In a gas insulation switching unit, the chamber of a reference breaking block ...
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JP02106826 |
PURPOSE: To prevent the folding, deformation and inflection of the present braided tube in the storage or the like by forming a braided sleeve and successively bringing the same in varnishing and heating/hardening processes as it is, wit...
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JP02106823 |
PURPOSE: To improve the thermal impact property and also preserve the airtightness for a long period using an organic sealing material by limiting combination between a coating material of an optical fiber inserted in the inner hole of a...
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JP02089612 |
PURPOSE: To eliminate the loss of sheet and facilitate the realization of perfect sealing by a method wherein molding materials, between which curable prepreg is interposed, are seated within a pressure vessel under the state that the si...
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JP02087427 |
PURPOSE: To make glass sealing of an optical fiber over the whole internal hole of an insulator by sealedly protecting the optical fiber with a glass tube made of an appropriate material, and by sealing the glass tube penetrated by the o...
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JP02086426 |
PURPOSE: To make the wall thickness of an expanded resin pipe uniform by performing the expansion of the resin pipe gradually while controlling it through a tapered inner surface. CONSTITUTION: A heat-shrinkable resin pipe 53 is expanded...
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JP02066815 |
PURPOSE: To increase the reliability of the airtightness of the bushing device and reduce its cost and also simplify its manufacturing process, by molding a mold cone integrally with a bushing, a conductor and a conductive wire. CONSTITU...
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JP02048901 |
PURPOSE: To manufacture a ceramic sheet superior in surface smoothness, by a method wherein a multi-layer green sheet comprised of ceramic powder whose mean particle diameter is smaller than that of an intermediate layer is baked on both...
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JP02049317 |
PURPOSE: To increase reliability of an optical fiber at an insulator part and suppress the cost of device by sealing the side wall of a step part and optical fiber by an inorganic glass at the seal part, which is provided at the step par...
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JP02018804 |
PURPOSE: To obtain a material in which stably crystallized phase dielectric in the form of fine particles is dispersed in an amorphous dielectric thin film by simultaneously flying atoms from the raw material in a vacuum container and a ...
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JP02015523 |
PURPOSE: To make it possible to perform cementing correctly at a constant measure by cementing making a vesicular disc formed spacer with plural protrusions inside inserted into the glass head part and a cap fitting supplied with cement ...
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JP01320112 |
PURPOSE: To cause the trouble such as fusible adhesion and deformation in vulcanization not to occur and more over to prevent the damage or appearance-defect of a tube from occurring by vulcanizing an unvulcanized electrically insulated ...
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JP01313815 |
PURPOSE: To enable the maintenance of lighting function and air tight insulation property so as to enable free control of circumferential atmosphere of a lightning protection element by sealing in an air tight manner only conductive cove...
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