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JP4511797B2 |
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JP4508781B2 |
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JPWO2008111215A1 |
The purpose is to provide high quality diamond dice. The diamond die (4) is connected to the bearing area (1d) in contact with the wire rod (100) inserted from the inlet (11) and the bearing area (1d), and is arranged on the inlet (11) s...
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JP4487847B2 |
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JP2010110781A |
To easily adjust the position of a wire drawing die so that a wire uniformly abuts on a die hole and the drawn wire is made straight.A die adjusting holder 1 comprises a holder 4 which is movable in parallel to a wire drawing machine bod...
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JP4457336B2 |
A modified cross-section wire material is formed into piston rings such as oil-control rings for use in an engine. An apparatus of the present invention for forming the modified cross-section wire material has a forming unit ( 15 ) compr...
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JP4459618B2 |
In order to provide a spray boom with a plurality of spray nozzles for a hydraulic descaling facility with which a high temperature constancy from beginning to the end of the rolling stock is insured and a too rapid cooling of the surfac...
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JP2010089099A |
To provide a roller die device in which relative displacement of circumferential rolling grooves in the groove width direction is hard to occur when a rolling material passes through a rolling section.There are provided a pair of rolling...
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JP4436071B2 |
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JP2010051990A |
To provide the product of a necked elbow in which thickness deviation is eliminated over the entire length, also the generation of wrinkles and local flattening in a bent portion are suppressed and excellent dimensional property and qual...
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JP4428225B2 |
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JP2010036228A |
To supply lubricant to the boundary between a die and steel always and smoothly by preventing that large lumps of the lubricant are formed in the neighborhood of a drawing part.In a steel drawing apparatus in which a die 1 is provided on...
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JP4416113B2 |
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JP4417358B2 |
Disclosed is a method for manufacturing a flux cored wire for welding stainless steel of 0.9-1.6 mm in diameter having a seamed portion, which the method includes the steps of: forming a hoop (stainless steel 304L or 316L) into a U-shape...
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JP2010029913A |
To provide a wire in which density of a cross section which is suitable to rectification and control when feeding a product wire is distributed.This wire is composed of a high-density outer peripheral part in which local relative density...
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JP4414802B2 |
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JP2010005672A |
To provide an advantageous method of manufacturing superfine copper wires by which the threading work of the superfine copper wire is easily performed and also time which is spent for the threading work is shortened without using exclusi...
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JP2010005671A |
To provide an advantageous method of manufacturing copper wires by which the threading work of the copper wire is easily performed and also time which is spent for the threading work is shortened without using exclusive jigs and auxiliar...
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JP4396234B2 |
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JP4398366B2 |
To provide a diamond compact die semi-manufactured product and a diamond compact die that do not crack during die processing. A diamond compact die semi-manufactured product includes a diamond compact and a holding ring. The holding ...
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JP4392868B2 |
In a multiple slip type wet-drawing process using plural drawing pass stages each comprised of a die (1) and a capstan (2) drawing a wire rod (3) passed through the die, an average slip rate in each drawing pass stage other than a final ...
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JP2009285940A |
To easily and efficiently form a bead wire with a polygonal cross-section.An apparatus for producing a bead core for a tire by winding the bead wire spirally in multiple steps has a wire molding apparatus 24 having a plurality of disklik...
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JP2009279614A |
To provide a method of manufacturing wire rods which is composed of hard-to-work steel in the material.This method of manufacturing wire rods includes (1) a stage where rolling is applied to a billet and a base stock for wires which is h...
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JP2009274134A |
To provide a tool for an irregular-shaped die which enables an operator to work with one hand, can fit the irregular-shaped die into a mold while the use of a magnet prevents the irregular-shaped die from falling, and can be replaced acc...
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JP4350812B2 |
Drawing assembly for bending machines used for metal shapes, in particular round pieces (11) for reinforcement purposes or metallic wire, the drawing assembly comprising at least a drawing device placed upstream of the shears (13) and th...
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JP2009220146A |
To provide a drawing die and a method of drawing a plated steel wire by which the amount of scraped plating is remarkably reduced, the shortage of the deposit of plating and the generation of surface flaws are decreased and a high streng...
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JP2009214145A |
To provide a diamond die which suppresses clogging of machining chips of metal wire in the cavity of the die and prevents breakage of the wire, and which exhibits the best advantage of characteristics of the wire-drawing device when used...
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JP2009208139A |
To provide a method for machining an inner grooved tube, which can easily apply twist to a metal tube and can increase a lead angle of the inner groove.In the method for machining an inner grooved tube, a floating plug 2 and a grooved pl...
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JP4333819B2 |
In cold drawing an original pipe of a Cr-base alloy steel containing not less than 5% by mass of Cr, when an original pipe with an oxalate film formed as a substrate for a lubricating film formed by conversion treatment is used while a c...
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JP2009195921A |
To provide a method for manufacturing a copper wire, capable of stably executing an operation of inserting a wire material such as a copper mother wire into a hole of a wire drawing die and stably manufacturing a copper wire with a very ...
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JP4323691B2 |
To provide a stranded steel wire excellent in workability and of high corrosion resistance. When subjecting a steel containing >=0.6 wt.%, C to continuous wire drawing, a wire drawing method is conducted at a temperature of <=5 deg.C by ...
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JP4311503B1 |
There is provided a production method capable of forming spiral ribs stably by reducing troubles at the time of cold drawing for forming the spiral ribs on an internally ribbed steel tube. When the internally ribbed steel tube on which a...
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JP4302481B2 |
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JP2009160608A |
To provide a method of contracting the diameter of a metallic base stock by which the metallic base stock having a circular cross section can be contracted into an object shape having a smaller diameter of the circular cross section than...
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JP4299604B2 |
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JP4297311B2 |
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JP2009142888A |
To provide a drawing die with which occurrence of scratches is prevented and a high-quality tubular material can be drawn.In the drawing die 1 for performing a drawing work by passing a tubular material through a die hole 21, the die hol...
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JP4270515B2 |
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JP4265380B2 |
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JP4259854B2 |
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JP4259603B1 |
To provide an optimum plug for drawing without causing plug breakage or chattering defect even in the case of cold drawing using a thick-walled (t / D of 20% or more) raw pipe. .. This is a drawing plug to be inserted into an inner surfa...
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JP4256025B2 |
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JP4253832B2 |
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JP4246587B2 |
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JP2009060138A |
To provide a continuous body having multiple parts, each of which has different physical properties, and to provide a method for manufacturing the same, or the like.The invention provides how injection molding may be used to form the con...
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JP2009506895A |
A forming tool ( 20 ) it comprises a substrate ( 21 ) and a metallic glass layer ( 23 ) on at least the working surface ( 22 ) of the forming tool ( 20 ) wherein the forming tool is one of: a) a forming tool of an extrusion press; b) a d...
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JP4214539B2 |
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JP2008290108A |
To prevent the damage of an insulating coating layer of an electric wire in the deforming work from a round electric wire to a deformed electric wire with a die.This die is a die 10 for working the electric wire with which the round elec...
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JP2008290121A |
To provide a method of manufacturing a copper wire by which the breakage of a wire during manufacturing is prevented and also the copper wire excellent in surface quality is manufactured.In the method of manufacturing the copper wire of ...
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JP2008290107A |
To prevent the damage of an insulation coating layer of an electric wire when a round electric wire is deformed into a special shape electric wire by means of a die.A round cross section electric wire 20 having an insulation coating laye...
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