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JP2004074196 |
To provide a method for continuously drawing a wire after welding a preceding steel wire and a succeeding steel wire in order to draw a plurality of wires continuously when moreover drawing the steel wire.In the continuous wire drawing m...
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JP3528676 |
To provide a wire rod excellent in wire drawability and cold rollability and to inexpensively produce a steel wire using it as the stock under high productivity at high yield. This steel wire rod contains 0.93 to 1.20% C, 0.1 to 1.0% Si,...
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JP2004066271 |
To provide a manufacturing method of a steel cord excellent in adhesive property with rubber by suppressing and reducing the generation and the increase of a lubricating film and an oxide film which are adhesion inhibitors generated at a...
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JP2004066298 |
To provide a steel code for reinforcing rubber products having high adhesion, and the manufacturing method.When the steel code for reinforcing a rubber product is manufactured by twisting some filaments which are manufactured by wet wire...
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JP2004066316 |
To provide a manufacturing method of a steel wire for reinforcing rubber goods by which a lubricating film produced when performing wire drawing of the brass plated steel wire with a multistage wet wire-drawing mill is secured, the hinde...
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JP2004058156 |
To make a tube especially a gun barrel self-contraction divisionally and optimally by internal pressure caused by a liquid generated at the inside of the tube.A first sealing device (3) is arranged in the end part of an arbor-shaped inse...
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JP2004059957 |
To provide a method for producing a member for linear motion bearing used under high temperature atmosphere.This method for producing the member for linear motion bearing for high temperature, is as following. Few times of cold-drawings ...
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JP2004055179 |
To provide a heating conductor and a terminal machining method for it capable of exhibiting performance better than that of a braided heating conductor and greatly improving productivity by stranding a copper-silver alloy wire material i...
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JP2004043971 |
To prevent the occurrence of disconnection in cold wire drawing, and to eliminate deterioration in mechanical properties caused by storing after wire drawing and annealing for an extra fine wire.Tough pitch copper having an oxygen conten...
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JP2004034102 |
To provide a steel wire manufacturing method that can effectively suppress the deterioration of torsional characteristics and age hardening by effectively using double dies.In drawing steel wire 12 using a plurality of drawing dies D1, D...
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JP2004025230 |
To provide a working method of an inside-grooved pipe for easily working the pipe having a large twisting angle between the groove formed on the inside surface of the pipe and a pipe axis without causing quality degradation, thereby impr...
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JP2004027300 |
To provide a method of producing a magnesium alloy bar wire rod having high ductility and high tensile strength.The method is provided with a temperature raising stage where the temperature of the material to be worked is raised to a dra...
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JP2004025205 |
To provide a method of inexpensively producing a soft wire rod of carbon steel for machine structural use, alloy steel for machine structural use and high carbon chromium bearing steel for cold working in which flaws are warranted over t...
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JP3515510 |
To provide a working device for continuous shear deformation with which a shear-deformed base stock is mass-produced. This working device for continuous shear deformation is constituted of a die 1 for making the base stock shear-deform b...
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JP2004017149 |
To provide a magnesium based alloy filament body which can be lengthened, and its manufacturing method.The magnesium based alloy filament body has the diameter d within the range from 0.1 mm to 10 mm, and the length L larger than 1000 d,...
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JP2004017114 |
To provide a new production method for an alloy wire material which doesnot need heating to be machined.A die 14 is heated to not less than 150°C when the magnesium alloy wire materials are produced by drawing with the die 14.
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JP3513004 |
To reduce the rate of quality defects of a current collector caused by the entrainment of particles of foreign matter, the current collector being inserted into the negative electrode gel of an alkaline manganese battery to collect curre...
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JP3511974 |
To eliminate shape defects in extruded shape such as bends which are generated on an extruded shape by primary and secondary straightening and also to obtain the extruded shape having the uniform proof strength and cross-section shape. A...
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JP2004009207 |
To provide a high speed and inexpensive electrode wire for wire electric discharge machining which is particularly an ultra-fine electrode wire having an outer diameter of 0.03-0.07mm as compared with an electrode wire having a two-layer...
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JP2004001656 |
To provide a method of manufacturing easily at a low cost a reliable pipe for pretensioners capable of enduring the explosion of powder.The method is for manufacturing the pipe for pretensioners which comprises a housing for a gas genera...
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JP2004003733 |
To provide a grooved heat transfer pipe and a heat exchanger having this heat transfer pipe by which performance of the heat transfer pipe at a low flow rate is improved, while improving the performance of the grooved heat transfer pipe ...
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JP2004002646 |
To provide an outer surface lubricating oil for a pipe with an inner surface groove, smoking less, similar to or better than the conventional outer surface lubricating oil in lubricity (friction coefficient, seizure pressure), and capabl...
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JP3503724 |
To obtain a cold drawn wire which is free of degradation in quality by providing another die for finishing wire drawing after a die for finishing drawing and an eddy current test equipment, and changing the reduction rate of area of the ...
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JP2003342696 |
To provide a guide wire core material which is excellent in corrosion resistance and, even when its diameter is small, is excellent in torque transmission properties. This guide wire core material comprises 0.08 wt.% or less C, 3.0-5.0 w...
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JP3496827 |
To inexpensively provide a continuously connected long-length composite vapor depositing material free from the intrusion of a mixed powder outflow preventing plug or the like in a short process with high yield. An aluminum tube is provi...
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JP2003334607 |
To provide a skin peeling die for a fine wire designed to accurately carry out centering without a centering device or skillfulness and capable of preventing disconnection or defects from being caused.This skin peeling die for the fine w...
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JP2003334606 |
To realize high strength extra fine steel wire with excellent strandability and fatigue characteristic.This method to produce the high strength extra fine steel wire has a wire-drawn pearlite structure to include one or more of C, Si, Mn...
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JP2003334608 |
To provide a processing method for a pipe with a grooved inner surface which prevents rupture of the pipe when grooving starts or even during grooving.A floating plug 12 and a grooved plug 13 to be relatively rotatably connected therewit...
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JP2003320412 |
To provide a device and method for forming wire rod terminals capable of positively passing the wire rods through a die hole without any variations by operators.The device for forming wire rods terminals 10 is used for facilitating a wor...
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JP2003320413 |
To provide a shape wire drawing die by which a drawing resistance is reduced at the time of the shape wire drawing process in the manufacture of a contact wire.In the shape wire drawing die 2 for forming a groove 11 along the longitudina...
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JP2003320411 |
To provide a method for manufacturing a pipe with a ultramicroscopic internal diameter of 20 μm having an inside face which is smooth and unaffected by a highly-corrosive medical agent.A gold pipe made of gold or a gold alloy is fitted ...
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JP3489359 |
To increase the height of a fin, to reduce the apex angle of the fin, and to widen the helix angle of the grooves against the tube axis by making the original tube out of one with internal linear grooves or spiral grooves and drawing wit...
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JP2003311318 |
To provide a tube drawing method of a bottomed cylinder by which the material yield of a clad having layers consisting of especially rare metal and a superconducting material which is generally expensive is improved.The bottom of the cyl...
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JP2003311316 |
To provide a method and a device by which a flat spiral wire is manufactured simply and easily.Compressive force is added to the circular coil-shaped spiral wire S0 from both sides with rolling rolls 2A, 2B and the coil is plastically de...
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JP2003311543 |
To provide a method for manufacturing an electrode wire for wire electric discharge machining which enables adjustment of each layer thickness of a base material of the electrode line to an arbitrary layer thickness by applying diameter ...
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JP2003311319 |
To effectively prevent a bend in the tip part of a tube which is generated when drawing the tube.The tube which is made into a shape in which the rear end side of the tube before drawing is reduced toward a tube end in the cross-sectiona...
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JP2003311544 |
To provide an electric wire designed to suppress the increase in the number of vibrations during electric discharge machining which is an inhibiting factor for stability of electric discharge machining and also designed to eliminate disc...
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JP2003311317 |
To prevent the crack of a material due to the low toughness of a tube stock and the break of a mandrel following the working of at tube with the grooved inside surface when performing the cold rolling using a hard-to-work tube stock.By t...
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JP3487957 |
PURPOSE: To improve the raw wire drawability of a hot rolled wire rod. CONSTITUTION: This wire rod excellent in raw wire drawability is the one, in which, in a steel wire rod of 5 to 16mm with ≥0.6% C content obtd. by hot rolling, the ...
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JP3487956 |
PURPOSE: To provide a high carbon wire rod to be descaled, excellent in wire drawability. CONSTITUTION: In the steel wire rod prepared by hot rolling and having ≥0.6wt.% C content, the shape of cementite existing in the cross section o...
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JP3488205 |
To provide an extra fine steel wire for a spring which has excellent heat resistance and is suitable as a spring of a contact probe, or the like. The extra fine steel wire for springs contains, by mass, 0.7 to 1.0% C, 0.5 to 1.5% Si and ...
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JP3488128 |
To easily charge a coil in a narrow installation area from a floor level onto a turntable by pulling out a wire from a coil along a circular arc following its specific arc cast according to rotation of a power driven type capstan and win...
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JP2003294385 |
To provide an internally grooved heat transfer pipe with enhanced assembling properties regarding its assembly using mechanical enlargement and enhanced contact properties for contact with a subject to be assembled, such as plate fins, e...
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JP2003294387 |
To provide an internally grooved pipe and its manufacturing method providing good machinability in manufacturing a heat exchanger by avoiding variation of the pipe length after enlargement of the pipe.A retaining die 3 is moved at consta...
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JP2003293069 |
To provide a magnesium-base alloy wire having excellent strength and toughness, its manufacturing method, and a spring using the magnesium-base alloy wire.The magnesium-base alloy wire has a composition containing, by mass, 0.1 to 12.0% ...
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JP2003294386 |
To provide an internally grooved heat transfer pipe excellent in the property of contact between the outer surface of the pipe and fins and in heat- transfer performance, and also to provide a manufacturing apparatus for the pipe.The int...
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JP2003290814 |
To provide a method for producing metallic fibers in which an expensive extra-low carbon steel is unnecessary to use and carbon steel is not converted to stainless steel.In this method and an apparatus for producing a composite material ...
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JP2003290815 |
To manufacture a thin metallic tube which has high accuracy of the inside diameter, good surface roughness of the inside surface and thickness of at least two times the inside diameter and the inside diameter of which is ≤1 mm without ...
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JP2003290803 |
To provide a base material for drawing and its manufacturing method for performing high-quality drawing maintaining a highly accurate dimension even in the case that a specific cross section (complicated cross-sectional shape) is drawn.T...
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JP2003291056 |
To provide a wire cutting method for any object to be cut, a cutting wire and a manufacturing method for the wire, capable of enhancing the cutting efficiency and accuracy of the object and suppressing generation of a wire severance.If t...
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