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JP2007029965A |
To allow a high carbon steel wire to wire drawing without damaging its toughness, and to obtain a PC steel twisted wire whose tensile strength is increased compared with the conventional one by twisting the steel wires obtained by the wi...
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JP2007035379A |
To provide a collector substrate for a battery having a characteristic, not seen in the past, facilitating a perfect surface treatment without having any burr by extending and rolling a various kinds of wires, and improved in rustproof e...
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JP2007014986A |
To provide a manufacturing method of a base stock made of an alloy which has high dimensional accuracy while preventing the generation of intergranular state and stress cracking.The manufacturing method of the base stock made of the allo...
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JP3871597B2 |
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 in...
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JP2007000907A |
To provide a high dimensional precision pipe manufacturing method with high efficiency and stability for stably manufacturing a high dimensional precision pipe with high efficiency by preventing occurrence of seizure flaw or the like whe...
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JP2007000906A |
To provide a high dimensional precision pipe manufacturing method capable of manufacturing a pipe of high straightness by preventing the pipe on a die outlet side from being bent when manufacturing the high dimensional precision pipe by ...
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JP2006346689A |
To provide a method for consistently manufacturing a high dimensional precision pipe capable of manufacturing the high dimensional precision pipe with the consistent dimensional precision when manufacturing a large amount of high dimensi...
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JP2006349080A |
To provide a manufacturing method for a torsion bar used in a power steering device of an automobile for providing sufficient hardness and reducing unevenness in hardness of a steel material of every torsion bar.This manufacturing method...
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JP2006346690A |
To provide a method for consistently manufacturing a high dimensional precision pipe, with high efficiency capable of manufacturing the high dimensional precision pipes with the consistent dimensional precision and high efficiency while ...
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JP3862611B2 |
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 gener...
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JP3862790B2 |
To provide a pipe material excellent in a durability for a repeated high pressure fatigue and the vibration of a car body by making an outer surface structure to a rolling structure and increasing a vibration fatigue strength by process-...
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JP3863444B2 |
To provide an ultrafine wire of a high-strength stainless steel for high meshes, which can be used for printing or highly precise filtration, for instance, more specifically, an ultrafine wire of a high-strength stainless steel, which ha...
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JP3858861B2 |
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 conte...
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JP3858946B2 |
To easily and inexpensively cut extruded blanks to short lengths of parts and to produce buffer members for vehicles which are decreased in the variations of crushing load and have stable performance. An extruded aluminum pipe is subject...
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JP3854812B2 |
To provide a strength member for an automobile being light in weight, having excellent shaft collapse performance and high bending strength performance, and capable of preventing the occurrence of a crack even when using a high strength ...
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JP3853603B2 |
To provide a draw bench in which the cost is reduced and the operational efficiency is enhanced by suppressing any increase in size and complexity of a mechanism and a device. A carriage 18 not only draws a bar stock W from an insertion ...
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JP2006315045A |
To provide a method for manufacturing a strength member for an automobile, having high bending reaction force at the initial stage of collision and having a cross section shape enabling the reduction of its manufacturing cost and weight....
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JP3846982B2 |
To obtain a highly reliable steel wire that excels in ductility at low temperatures as well as at room temperature by specifying elongation in a tension test in the liquid cooling medium of a specific temperature range and [elastic limit...
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JP2006307277A |
To provide a method for manufacturing a plated extra-fine wire, which hardly breaks the wire and has superior production efficiency.This manufacturing method comprises the steps of: firstly forming an Ag-plated layer which is harder than...
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JP3844267B2 |
To obtain a highly strong steel filament suitable for reinforcing rubber articles and excellent in ductility by controlling the strain of the surface layer of the steel filament on the bases of specific repeated twisting test values and ...
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JP2006297431A |
To provide a wet type metal wire drawing method capable of enhancing the lubricity by reducing the emulsion diameter, and preventing ingress of foreign matters such as metal powder, plating powder and degraded oils in a wire drawing die....
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JP2006297432A |
To provide a method for improving the adhesive properties between rubber and a brass plated steel wire for reinforcing a rubber materialusing a benzotriazole based or benzoimidazole based compound used as working oil for copper and a cop...
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JP3841372B2 |
To realize a sufficient cavitation resistant performance by forming an inner pipe out of a spring tempered austenite stainless steel pipe in a high pressure fuel injection pipe using a double metal pipe formed by fitting a thin wall inne...
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JP3836747B2 |
To provide a non-magnetic, high-strength stainless steel wire for uses where a non-magnetic property is strictly required, e.g. for a spring in a dress hanger undetected by a needle detector, and a non-magnetic stainless spring product u...
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JP2006281337A |
To provide an electrode wire with less disconnection frequency and improved machining speed during the electric discharge machining.The electrode wire for wire electric discharge machining is formed by applying a spot-like insulating fil...
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JP2006272422A |
To provide a manufacturing method of a copper material which has a low cost and a low softening temperature, and also to provide a copper material.The manufacturing method of the copper material which is manufactured directly from the mo...
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JP2006274383A |
To provide a method for manufacturing an inexpensive copper material with a low softening temperature, and to provide the copper material.By the method for manufacturing the copper material, the copper material is directly manufactured f...
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JP2006274382A |
To provide a method for producing an inexpensive copper material whose softening temperature is low, and to provide the copper material.In the method for producing the copper material according to this invention, a tough pitch copper mat...
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JP2006263776A |
To provide a capstan for a wire-drawing apparatus capable of realizing the constant slip rate between a thin wire and the capstan at a small level even when changing the reduction rate of area α between different steps, or within the sa...
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JP3829727B2 |
To easily manufacture a pipe with an internal groove having a large lead angle. In the manufacturing device 1 for the pipe with the internal groove, the direction B of revolution of steel balls 7 and the direction A of rotation of a groo...
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JP2006522278A |
An elbow rotator apparatus for rotating an integrally formed section of an elbow workpiece includes a pair of gripping arms which are selectively positionable in a first position displaced from the elbow workpiece, and a second position ...
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JP2006230812A |
To provide an accessary consisting of a hollow pipe whose bent section is never crushed or broken in the case of working, where a product has a weight and high-grade texture, and where a desired shape is presented since a noble metal cor...
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JP2006218514A |
To provide a method for reducing the diameter of a pipe, by which target backward tension can be accurately and simply obtained and increase of the pipe thickness accompanied with reduction in diameter of a pipe can be suppressed.In the ...
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JP3812875B2 |
To provide a method to form a through-hole of various forms/ diameters to a metal bar, a metal bar having a through-hole formed with vari ous shapes/diameters to the bar and its manufacturing method. In case of manufacturing a round bar ...
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JP3812167B2 |
To always easily control a finished wire rod diameter at a constant by providing tension to a drawing wire rod in a wire drawing side of a drawing die. Even after a finishing wire rod diameter of a product is decided with a hole diameter...
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JP2006212661A |
To provide an inside grooved tube manufacturing device for which the speed of inside grooving work of a metal tube is increased without forming any incomplete groove or damaging an outer surface of the tube.In the inside grooved tube man...
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JP3803675B2 |
To provide a method for manufacturing tungsten stock for secondary working in which brittleness can be less increased even when the stock is subjected to a secondary working step such as coiling, disconnection or breakage is less and dur...
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JP3803335B2 |
To provide a die holder capable of efficiently adding the ultrasonic vibration to a die and enhancing the heat radiation of the heat generated during the ultrasonic drawing to add the ultrasonic vibration in the same direction as the dra...
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JP3798488B2 |
To enhance the strength of concrete by uniformly dispersing steel fibers, each of which is formed straight in its central part and has respectively specific numbers of waveform-like curves near both ends, into the concrete, thereby makin...
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JP2006181611A |
To provide a method for highly efficiently manufacturing a pipe with high dimensional accuracy and excellent surface quality, which can manufacture the pipe having a low deviation in the outside diameter and so on.The invented manufactur...
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JPWO2004096468A1 |
The composite rod according to the present invention is preferably used as a material for a contact tip for arc welding and an electrode for resistance welding, and has a core material having a dispersed reinforced copper alloy portion a...
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JP2006175486A |
To provide a method and an apparatus for highly efficiently manufacturing a pipe having high dimensional accuracy by which the pipe having the high dimensional accuracy is efficiently manufactured by preventing the buckling of the pipe w...
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JP2006175485A |
To provide a highly efficient manufacturing method of a pipe having high dimensional accuracy by which the pipe the dimensional accuracy of which is remarkably higher than that of a conventional pipe is efficiently manufactured.In the ma...
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JP2006175484A |
To provide a high efficiency manufacturing method of a pipe having high dimensional accuracy and excellent in surface quality by which the pipe excellent in the surface quality and having remarkably higher dimensional accuracy than that ...
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JP3793385B2 |
To provide an electrode line for wire discharge machining having a uniform irregular shape on the surface thereof and a method of manufacturing the electrode line capable of easily provided the electrode line for wire discharge machining...
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JP3794341B2 |
To provide a tube with a grooved inner face which is manufactured at high yield without causing break by a roll rolling method and a manufacturing method for it. A tube 1 which consists of copper or copper alloys, is an unannealed H-mate...
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JP2006169616A |
To provide a steel wire rod for wire drawing in which surface defects after wire drawing can be reduced, and to provide its production method.(1) In the steel wire rod for wire drawing after the removal of scales, the depth of a recessed...
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JP3789856B2 |
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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JP2006159304A |
To provide an electrode wire for wire discharge machining capable of exhibiting a cooling effect of the electrode wire by latent heat of vaporization and a wire breakage preventing effect by coating a steel wire covered with copper with ...
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JP3787898B2 |
To heighten cleanness of the inner surface of a high pressure fuel injection pipe and almost completely remove a various kinds of fine foreign matter from the inner surface thereof to prevent the clogging of an injection nozzle by cleani...
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