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JP5472480B2 |
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JP5468872B2 |
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JP5463694B2 |
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JP5448911B2 |
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JP5443744B2 |
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JP5448909B2 |
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JP5442294B2 |
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JP5430159B2 |
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JP5421694B2 |
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JP5412202B2 |
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JP5401670B2 |
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JP5387797B1 |
A step of inserting a mandrel into a hollow billet and forging it into a crude pipe having a predetermined diameter and thickness, a step of drawing one end of the crude pipe, and a core metal in the crude pipe having one end drawn. A me...
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JP5385025B2 |
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JP5384213B2 |
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JP2013247991A |
To prevent a medical wire with high torque following property, in which mutual slide and wire floating of a metal wire are hardly caused, and a method of manufacturing the medical wire.A medical wire 1 includes side wires 20 formed of a ...
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JP5357112B2 |
To provide a steel pipe drawing device and a steel pipe drawing method in which excessive tensile stress is not applied to a core hanging bolt connected to a plug when a steel pipe is drawn out, and the core hanging bolt is not cut. In a...
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JP5356195B2 |
To provide an apparatus and a method for producing a pipe having grooved inner surface by which the productivity of highly accurate pipe having grooved inner surface is improved. The apparatus 1 for producing a pipe having grooved inner ...
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JP5350674B2 |
To provide a drawing device capable of increasing length of a drawn material which is manufacturable from a workpiece. The drawing method includes a workpiece insertion step of sequentially inserting a mouth part 22 of the workpiece 20 i...
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JP5344151B2 |
To provide a method for manufacturing a Cu-Ag alloy wire for manufacturing an extra-fine Cu-Ag alloy wire at high productivity, and the extra-fine Cu-Ag alloy wire. The extra-fine wire with a finished wire diameter of 0.05 mm or below is...
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JP5344150B2 |
To provide a method for manufacturing a Cu-Ag alloy wire for manufacturing an extra-fine Cu-Ag alloy wire at sufficient productivity, and the extra-fine Cu-Ag alloy wire. The extra-fine wire with a finished wire diameter of 0.05 mm or be...
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JP5335798B2 |
Shape Memory Alloy tube is protected from damage during drawing, caused by galling-type interaction between the tube and high-carbon dies, by forming an oxide surface layer. This invention protects the tube internal diameter from oxidati...
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JP5337965B2 |
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JP5335056B2 |
This aluminum alloy wire for use in bolts contains, in mass %, Si:0.60-1.5%, Fe:0.02-0.40%, Cu:0.50-1.2%, Mn:0.50-1.1%, Mg:0.70-1.3%, Cr:0.01-0.30%, Zn:0.005-0.50%, Ti:0.01-0.20% and Zr:0.05-0.20%, the remainder being Al and unavoidable ...
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JP5336802B2 |
To provide a method for producing a seamless aluminum alloy tubular material which produces a tubular material with high dimensional precision from a mandrel extruded tube with high quality reliability at a low cost, and further, can pro...
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JP2013224768A |
To provide a two-layer clad aluminum alloy tube with an inner surface groove in which a surface lap scratch is suppressed that may occur in form rolling.A two-layer clad aluminum alloy tube with an inner surface groove is characterized i...
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JP5325356B1 |
To provide a non-slip type wire drawing machine having few dancers. A first wire drawing die for reducing the diameter of a passing metal wire to draw the metal wire and a first back tension of the metal wire passing through the first wi...
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JP5325201B2 |
The present invention is a metallic wire rod comprising iridium or an iridium-containing alloy and, the wire rod has in the cross section thereof biaxial crystal orientation of 50% or more of abundance proportion of textures in which cry...
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JP5319169B2 |
To realize a steel material possible to produce various kinds of parts at a low cost by using a sulfur free-cutting steel substantially containing no Pb; and steel-made parts using this steel. A method for producing the steel material (w...
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JP5312184B2 |
To provide a suspension wire which has tensile strength equal to a suspension wire for which beryllium copper is used and in which there is no dangerousness such as carcinogenicity due to the beryllium. Drawing work is applied at the red...
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JP5306994B2 |
The present invention relates to a method of manufacturing an insulated electric wire and an apparatus for manufacturing an insulated electric wire that can stably manufacture a conductor having a larger sectional width according to desi...
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JP5304323B2 |
To provide a steel wire which can be manufactured without being subjected to patenting treatment in a wire-drawing process, and has superior mechanical properties such as strength and tensile strength; a wire rod to be used for manufactu...
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JP5296955B2 |
To provide a fine stainless-steel wire for spring which is a stainless- steel wire for spring forming, particularly a fine wire e.g. of <=0.8 mm obtained by wet wiredrawing, and can be obtained by applying oil lubricant capable of contri...
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JP5291914B2 |
To provide a titanium fiber suitable for cellular culture in which cells or biological tissue are easily fixed and propagated or a biological tissue inducible scaffold material and its efficient manufacturing method. The titanium fiber i...
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JP5293975B2 |
To provide a method for producing a magnesium long-length material which has excellent plastic workability, and to provide a magnesium long-length material obtained by the production method. Pure magnesium or a magnesium alloy is cast to...
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JP5289753B2 |
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JP5282683B2 |
Included are a wire supply part, a wire pulling part, a first capstan mechanism part and a second capstan mechanism part. The first capstan mechanism part includes a plurality of first capstans, a first rotation drive source and a first ...
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JP5280971B2 |
In an apparatus for drawing a metal tube in which lubrication oil is ejected from an ejecting opening formed in a hollow rod supporting a plug to apply the lubrication oil onto an inner surface of a raw tube, the lubrication oil ejection...
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JP5283964B2 |
To provide a drawing method capable of preventing a mouth part of a workpiece from moving together with chuck fingers when releasing a chuck. The drawing method include a step of preparing a chuck device 10 having a position fixing membe...
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JP2013166170A |
To enable a rupture test of a wire rod to be performed while continuously drawing the wire rod by continuously applying a tensile test load by a rupture test mechanism to the wire rod sent from a wire drawing machine, enable drawing of t...
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JP5275904B2 |
To provide an apparatus and a method for manufacturing an internally grooved tube, capable of determining occurrence of any tube breakage during the machining before a grooved plug provided on a grooved section is broken by a form rollin...
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JP5273538B2 |
To provide a CA-wire manufacturing method which is excellent in productivity and is capable of more firmly adhering a Cu coating and an Al wire to each other when manufacturing a CA wire by a sand-blasting processing method. The CA-wire ...
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JP5268183B2 |
To provide a titanium filament having a length of ≥5 m with a small diameter and useful in a medical field, and a method for efficiently producing the titanium filament. The superfine titanium filament 17 is prepared by inserting one t...
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JP5270581B2 |
A wire drawing apparatus (10) is used in a final drawing process to ensure adequate initial performance of adhesion between brass-plated steel wire and rubber without a drop in productivity. At least one of the die (14z) disposed in the ...
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JP5259476B2 |
To provide a capstan which is excellent in the homogeneity of structure and in which local wear hardly occurs. The capstan is composed of a ceramic sintered compact which contains one or more elements which are selected from V, Cr, Mn, F...
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JP5259603B2 |
A process of forming porous electrolytic electrode in which alternating layers of a valve metal and a ductile metal are combined to form a billet, and the billet mechanically reduced by exclusion and drawing prior to etching. One or more...
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JP2013146738A |
To provide a method for drawing a metal fine wire, which can reduce a total number of dices to reduce manufacturing cost while maintaining the effect of reducing a disconnection rate, further can attain high speeding, and a method for ma...
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JP5250878B2 |
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JP3184845U |
To provide a cold drawn steel material in which the black skin of a rod-shaped raw steel material for cold drawing is satisfactorily removed to improve the surface roughness after the cold drawing treatment. The black skin is removed by ...
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JP5236656B2 |
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JP5233281B2 |
The invention provides wire rod excellent in drawability and steel wire made from the wire rod as starting material with high productivity at good yield and low cost. A hard steel wire rod of a specified composition is heated in a specif...
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