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JP2001025813A |
To provide a method for manufacturing extra fine titanium fibers or titanium alloy fibers by executing heat treatment of annealing in proper structure when each surface condition is normal.In a manufacturing method of metallic fibers in ...
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JP2001025814A |
To provide a manufacturing method of a brass wire for cold heading without dispersion in cold heading property in the longitudinal direction of a product coil and which is hard to generate crack.At the time of manufacturing the brass wir...
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JP2001018007A |
To reduce die change frequency and to manufacture a wire at low cost by increasing the hole diameter of a die of one stage unwinding side from the final larger than a hole diameter of the final die and reduce it less than the upper limit...
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JP2001001034A |
To provide a device and a method to practically automate a set up process for a wire drawing machine.A device and a method to practically automate a set up process for a wire drawing machine is so that the end part of a wire coil is moun...
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JP2001001036A |
To greatly prolong the life of a die and to obtain a product which is free of speckles and stains on the surface and has beautiful metallic gloss by applying working oil uniformly dispersed with a fluorine resin on the working surface of...
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JP2001001033A |
To provide a production method of a steel wire having high ductility and excellent fatigue resistance in high productivity as not in a conventional way.A production method is so that a steel wire is produced by a slip type multistage wir...
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JP2000351015A |
To provide a drawing method for a metallic tube in which a drawn tube without flaws on the inside and outside surfaces of the tube is continuously drawn at high yield and high speed.At the time of drawing a metallic tube 1 using a die 6 ...
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JP3117767B2 |
PURPOSE: To provide a smooth plated tungsten wire rod poor in pin holes. CONSTITUTION: The tungsten wire rod X subjected to plating with nickel or platinum on the golden layer formed by strike plating on the tungsten surface is drawn by ...
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JP2000345294A |
To obtain a wire rod excellent in wire drawability and to provide an extra-fine steel wire using the wire rod as a stock and a stranded steel wire formed by stranding the extra-fine steel wire, with high productivity in high yield.The st...
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JP2000336429A |
To remove the anisotropy of crystals generated at the time of subjecting a cold-forged product to rolling by subjecting a hot-rolled wire material to thermal annealing at a specified temp. and then executing wire drawing operation at a s...
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JP2000336458A |
To provide a wire rod of high carbon steel exhibiting superior wire drawing workability when subjected to primary wire drawing work by using high approach angle dice and a manufacturing method of a steel wire.A wire rod superior in drawi...
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JP3111895B2 |
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JP2000321048A |
To accurately, effectively measure a bore diameter of a die used to thin a wire material such as a metal small-gage wire or the like. The apparatus for measuring a bore diameter of a die for a small-gage wire comprises first, second pull...
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JP2000313937A |
To reduce the index of breaking of wire and to improve wire drawability and stranding property by specifying respective contents of S, O, and N in a steel wire rod and also specifying the proportion of the number of sulfide inclusions am...
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JP3108506B2 |
PURPOSE: To provide a CuNi sheath superconductive wire manufacturing method by which a sheath thickness becomes thin and uniform. CONSTITUTION: A superconductive wire rod covered with copper and CuNi alloy is inserted into a compound pip...
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JP3106424B2 |
PURPOSE: To prevent the generation of defects of fin break, folding defect, etc., of a fine diameter internally grooved tube which is used for a micro heat pipe for cooling electronic equipment and small sized heat exchangers such as a a...
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JP2000301227A |
To prevent the development of galling phenomenon by coating an organometallic compound on the following metallic material previous to wire drawing or pressing of a titanium, zirconium, tantalum, niobium and these alloy materials. To a po...
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JP2000297323A |
To provide a method of manufacturing a high toughness steel wire, in which the micro-segregation formed in a casting stage is reduced and a steel wire improved in twisting characteristic is obtained. The method of manufacturing a high ca...
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JP3102359B2 |
To provide the cold drawing method of metal tube not causing chattering. A dry resin film made of water soluble acrylic resin neutralized by caustic soda or ammonia is formed on one side or both sides of the inner/ outer faces of a tube ...
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JP2000288621A |
To provide an instrument by which the correlation of withdrawal force to the reduction of area with a die at the wire drawing time, the kind of lubricant, the hardness, outside diameter, temperature or the like of the wire is easily and ...
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JP2000288622A |
To reduce a manufacturing device in size by cooling a tube stock to the temperature equal to or below the freezing point immediately after its inner surface is grooved, and reducing the outside diameter of the tube stock while maintainin...
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JP3097584B2 |
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JP2000271630A |
To provide a metal stock drawing method which is free from any bend of a neck in portion, and easy in drawing when the sectional dimension of the metal stock is reduced by achieving the drawing area reducing work of the metal stock throu...
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JP3095319B2 |
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JP2000274467A |
To provide a wire for a spring made of a beryllium copper alloy of quality, being stable at a high level, at a low cost. The outer periphery of a core 1 of a beryllium copper alloy is covered with a copper outer layer 2 formed of copper ...
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JP2000263127A |
To provide a method for easily pulling out a core material in a manufacturing method of a hollow steel bar by which the core material is pulled out after elongating an assembly formed by penetrating a base material with the core material...
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JP3091795B2 |
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JP3091793B2 |
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JP3087923B2 |
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JP2000246326A |
To obtain a wire of good external appearance, superior in lubrication property and an abrasion resistance, having a long life and less wire breaking during drawing by forming the wire by coating a diamond-like carbon on a hard metal base...
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JP3085762B2 |
A method of manufacturing a thick-walled small diameter pipe by repeating a process comprising a pipe extension process and a heating process on a pipe to be processed plural times, wherein a machining process on the inner circumferentia...
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JP3085980B2 |
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JP2000233295A |
To obtain the excellent wire feedability and the good welding workability by specifying the tensile strength and the yield ratio of a wire. The tensile strength and yield ratio of a solid wire for gas shield arc welding are desirable to ...
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JP3082363B2 |
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JP2000221718A |
To provide a substrate for electrophotographic photoreceptor free from the generation of internal strain and then, prevented in deformation and having excellent dimensional accuracy and a producing method of the photoreceptor. A producin...
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JP3069638B2 |
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JP2000197911A |
To provide a pultrusion method of a tube and pultrusion device for the tube for surely preventing a tube to be formed from breaking before the completion of forming. In the pultrusion method of the tube by which the tube M to be formed i...
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JP2000197912A |
To provide a pultrusion method by which the breakage of a tube to be formed in the starting stage of pultrusion is prevented. In the pultrusion method by which the tube M to be formed is threaded through the clearance G between the inner...
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JP3066807B2 |
A drawing device including a drawing block and a traction device, where the traction device includes two drive belts and an automatic engagement device. This automatic engagement device includes an auxiliary traction device propelled wit...
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JP2000190007A |
To obtain a hollow body or pipe with specified outside diameter and wall thickness while reducing reheating time and preventing the danger of the bottom being broken through by using a mandrel with a spherical end when the hollow materia...
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JP2000190018A |
To obtain a longer smaller-diameter multi-hole pipe by twisting multiple round pipes to be very small in diameter, drawing them through dies, inserting the twisted pipe which is preliminally processed so that the outer virtual envelop as...
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JP2000190019A |
To delicately adjust a clamping force against a workpiece. With a chain drawing machine to roll or draw bar or pipe where load supporting rollers 8 to support segment-like drawing tools which synchronously forward along two drawing chain...
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JP3061918B2 |
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JP3058904B2 |
PURPOSE:To make filaments extremely fine and obtain wire material of high critical current density by setting Sn concentration inside a Nb group metallic tube to specific wt.% or less and arranging plural Sn group metallic wires in a mat...
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JP2000176534A |
To provide a stainless steel covered copper wire, which is excellent in strength and ductility, has a large ratio of a copper core part and a small diameter, and its production method.In cold wire drawing to form a stainless steel covere...
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JP2000176535A |
To cool a conductor so as to not generate dew condensation on the rear side of a take-off kettle and the surface of the conductor by blowing dry cooling air to the surface of the conductor which is helically wound and brought into contac...
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JP3056030B2 |
PURPOSE: To perform the measuring the length of a drawing material with high precision, in the travelling course of a wire rod, by arranging a measuring roller between a pair of take-up capstan and guide rollers and dancer rollers to con...
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JP3055578B2 |
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JP2000167618A |
To provide a method and device for drawing a wire for wire saw for surely accurately detecting the surface defects and internal defects of the wire and executing wire drawing.This drawing device comprises a supply reel A, wire-drawing mi...
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JP3053789B2 |
To improve the coiling properties of a steel wire by regulating the roughness of the surface of the steel wire and the coating weight of lubrication respectively to specified ranges. The surface roughness of a stainless steel wire for a ...
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