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JP5107520B2 |
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JP5096307B2 |
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JP5086938B2 |
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JP5078049B2 |
The present invention relates to a method and an apparatus for manufacturing keystone type superconducting compacted stranded wires. In manufacturing the keystone type superconducting compacted stranded wires, a large number of supercond...
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JP5080802B2 |
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JP5064749B2 |
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JP5047241B2 |
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JP2012187594A |
To provide a wire drawing die 1 with which tensile residual stress generated on the surface of a metal wire after wire drawing is suppressed.There is provided the wire drawing die 1 in which a die hole 2 including a reduction part 5 and ...
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JP5042275B2 |
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JP5012304B2 |
A plug 1 includes a first columnar portion 20, a tapered portion 30, and a second columnar portion 40. The first columnar portion 20 has an outside diameter D1. The second columnar portion 40 has an outside diameter D2 which is larger th...
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JP4998975B2 |
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JP4975383B2 |
The invention shows how powder injection molding may be used to form a continuous body having multiple parts, each of which has different functional properties such as corrosion resistance or hardness, there being no connective materials...
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JP4969471B2 |
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JP4964580B2 |
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JP4948073B2 |
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JP4904074B2 |
A wire drawing device is provided to adjust each position of axial or diameter directions of roller dies easily by processing a corresponding wire via passing through a molding hole formed by a pair of roller dies. A wire drawing device ...
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JP4879778B2 |
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JP4868304B2 |
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JP4863391B2 |
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JP4833577B2 |
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JP4817693B2 |
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JP4798611B2 |
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JP4777775B2 |
In a method and an apparatus for processing a metal body which turns the metal structure of the metal body into a finer grain structure by forming a low deformation resistance region (30') where the deformation resistance is locally lowe...
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JP4750975B2 |
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JP2011152576A |
To provide a method of manufacturing a small diameter thin-walled tube having no internal stripe flaws in a method of manufacturing a small-diameter thin-walled seamless steel tube by drawing a tube stock which is made by hot tube-making...
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JP2011152557A |
To improve the workability of wire drawing by reducing cup-and-cone type wire breaking in a wire drawing stage for manufacturing a copper clad aluminum wire.The method of manufacturing the copper clad aluminum wire is characterized in th...
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JP2011147945A |
To provide a wire drawing machine with which the coexistence of soot generated in wire drawing using a wet lubricant and dust generated in the wire drawing using a dry lubricant inside the wire drawing machine is prevented.The wire drawi...
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JP4737662B2 |
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JP2011131235A |
To provide a measuring apparatus for adjusting a roller die position capable of stably exactly carrying out position adjustment of a pair of grooved rollers without causing an adjustment error due to individual difference and without req...
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JP4712160B2 |
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JP4698946B2 |
The manufacture of seamless tubes in which the process includes providing an assembly having a metal tube blank, and an elongate metal core of shape memory effect material which is surrounded and contacted by the tube blank with a minima...
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JP4682450B2 |
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JP4678600B2 |
Provided is a pipe drawing plug (1), of which a straight portion (11) and a tapered portion (12) are connected by a curved portion (13). The curved portion (13) is characterized, in a section containing the center axis of the plug (1), i...
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JP2011073059A |
To provide a method of manufacturing a metallic double pipe in which surface pressure can be generated on the interface between the internal pipe and the external pipe of an obtained metallic double pipe regardless of the yield strength ...
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JP4668672B2 |
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JP4650724B2 |
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JP4647855B2 |
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JP4643244B2 |
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JP4628858B2 |
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JP2011020133A |
To provide a method for manufacturing a metallic smooth tube in which the tube is not broken even when the working ratio is large, and the wall thickness can be easily changed and finely adjusted.The smooth tube manufacturing method incl...
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JP4624051B2 |
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JP4610555B2 |
Apparatus for reducing the diameter, rounding or straightening of pipe or tubing by rolling comprising a plurality of cylindrical rollers arranged in a parallel-cylindrical array through which the pipe or tubing is passed, the rollers be...
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JP2010284673A |
To provide a method for manufacturing a copper wire which can easily regulate an axial hole or an axial line of a wire drawing die in response to a change in a wire drawing pass line for the copper wire, can realize good wire drawing fre...
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JP4604021B2 |
A body of single crystal CVD (chemical vapour deposition) diamond particularly suitable as a wear resistant material for wear applications, such as wire drawing dies, graphical tools or stichels, or fluid jet nozzles. The diamond typical...
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JP4593684B1 |
To provide a manufacturing method capable of manufacturing a drawing die having improved slipperiness with respect to a drawing object such as a tube while maintaining excellent performance of a titanium-based sintered body. The method f...
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JP4589585B2 |
The invention shows how powder injection molding may be used to form a continuous body having multiple parts (21,23), each of which has different physical properties such as magnetic characteristics or hardness. This is accomplished thro...
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JP4588267B2 |
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JP4587915B2 |
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JP4580823B2 |
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JP4577611B2 |
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