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JP3210396B2 |
PURPOSE: To obtain a steel wire for reinforcing glass excellent in high temp. properties and corrosion resistance by subjecting the wire rod of a slab having a specified compsn. added with Mo, Nb, Cu and Ni to wire drawing, executing ann...
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JP2001247975A |
To produce a wire rod for heading excellent in rust preventability and heading properties without causing the problem of delayed fracture caused by phosphorating.In the method for producing a wire rod for heading in which a wire rod is d...
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JP2001243844A |
To provide a method of producing an Nb3Ge superconducting wire that resolves problems of degradation of magnetic field current characteristic due to a stress such as bending stress, magnetic instability, difficulty in composing stabilize...
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JP2001241877A |
To provide a small and lightweight inner helically grooved tube exhibiting high performance without deepening the inner grooves (increasing the height of fins) and a method of manufacture.A large number of parallel fine grooves 10 are ma...
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JP2001234362A |
To provide a method capable of preventing discoloration after the production of a silver plated wire.This wire drawing method for a silver plated wire is provided with a stage in which a wire to be made for spring is subjected to wire dr...
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JP2001226745A |
To provide a metallic wire rod excellent in strength and flexibility for the lightening of a structure, the assurance of safety and the improvement of reliability.With a series of stages in which plural ferrous elemental wires are conver...
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JP2001225105A |
To provide a method for manufacturing a high-carbon chromium steel wire having good spheroidized structure by single spheroidizing annealing without generating cracks in the inside and to provide the structural parts of a machine such as...
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JP2001226889A |
To provide a new means for advantageously avoiding the decarbonization on the surface of a steel wire, esp. high-carbon steel wire when it is to be put to heat treatment.The subject method comprises the following: when a steel wire is to...
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JP2001219214A |
To provide a wire drawing die which is suitable to work a composite wire shaped body and with which the impressing of nonuniform working force on a core wire and coating layer is prevented and the peeling of the coating layer and breakin...
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JP2001212691A |
To provide a wirelike solder with a flux in which each wirelike solder is made by a wire drawing though its reformed prepared-composition is delicate, when a lead-free solder base alloy, for example, Sn-Ag type solder is reformed by addi...
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JP3192502B2 |
PURPOSE: To manufacture tubes with grooves on its inside surface, especially small diameter grooved tubes, which are used for a heat transfer tube of a heat exchanger or the like without trouble such as breaking and at high speed. CONSTI...
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JP2001192772A |
To provide a high strength and high ductility extra-fine steel wire with a wire diameter of 0.7 mm or less obtained by subjecting a wire rod with a fine diameter produced by hot rolling to wire drawing as hot-rolled without executing int...
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JP3188800B2 |
PURPOSE: To remarkably improve the productivity of wire drawing work. CONSTITUTION: A high-strength steel wire having a wire diameter of 0.400-0.010mm, strength of 240-550kgf/mm2 is drawn by passing through a circular die made of diamond...
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JP3186623B2 |
To provide a method and device for manufacturing an internal grooved tube with its height of fins formed on the tube and bottom thickness made easily adjustable. In the method for manufacturing internal grooved tube in which a tube to be...
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JP3182984B2 |
PURPOSE: To impart a high strength and excellent linearity to a steel wire, in a high carbon steel wire having a specified compsn., by specifying the size after final patenting, then subjecting it to wire drawing and thereafter executing...
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JP2001179481A |
To provide a flux cored wire for arc welding which shows a stable color of the wire surface, has an excellent feedability, realizes a stable arc discharge, and generates small amount of fume and sputter, even under a severe welding condi...
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JP2001179329A |
To provide a method for manufacturing welded pipes and its equipment that improve in the stability of a drawing speed by drawing metal bands through dies. When metal pipes are manufactured by welding meeting parts after a metal band is f...
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JP2001179327A |
To provide plugs that have the same drawing and extending function as the plugs used before even though the number of process of grinding to form R parts of a rib side is reduced because grinding can be performed with only one kind of gr...
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JP2001179326A |
To provide a method for manufacturing cored wires for gas-shielded metal arc welding and its equipment with which flux cored wires for welding that excels in the ability of supplying and the color tone are produced. When a flow of the pr...
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JP3178478B2 |
PURPOSE: To provide a superconducting wire, capable of uniformly and efficiently controlling fine organization in a longitudinal direction, and having a high (c) axis orientation ratio and a large critical current density Jc at operating...
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JP2001152306A |
To provide a method and an apparatus for thickly galvanizing the surface of a wire rod, with which the galvanization on the surface of the wire rod can be thickened and uniformized.An intermediate standing-up box filled up with inert gas...
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JP3173900B2 |
PURPOSE: To suppress the generation of cracks in the longitudinal direction in the process of a twisting test by subjecting a drawn steel wire having a specified compsn. to skin pass rolling and bending. CONSTITUTION: A steel wire having...
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JP2001148205A |
To provide the material for ultra thin copper alloy wire with superior tensile strength, electrical conductivity and wire drawability, and its manufacturing method. The material for ultra thin copper alloy wire which is drawn into a wire...
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JP3169454B2 |
PURPOSE: To suppress the generation of cracks in the longitudinal direction of a steel wire in the stage of a twisting test by subjecting a drawn steel wire having a specified compsn. to skin pass rolling and thereafter executing bluing ...
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JP2001134067A |
To prevent deformation in abrasive blasting being a succeeding process by preventing the irregular thickness of a hollow pipe in drawing. The irregular thickness of the hollow pipe whose irregular thickness is easily corrected because th...
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JP3162750B2 |
PURPOSE: To enable a measurement to be accurate and simple and achieve man-power saving by automation by winding up a filament body at a take-up drum of a take-up reel in axial direction with a constant winding pitch and then measuring t...
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JP3159900B2 |
To surely manufacture a drawn tube of small deflection even when a long stock tube is drawn by fitting one or a plurality of cores abutting on an inner circumferential surface of the stock tube to a rod over the whole length of the stock...
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JP2001111125A |
To provide a method of manufacturing a metal case at a low cost, a short delivery time and at superior productivity and a high forming accuracy with hermetic property, and a piezoelectric actuator using the metal case. The piezoelectric ...
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JP2001107206A |
To produce a β titanium alloy fine wire having a low Young' modulus (flexibility) which has not been exhibited in the conventional β titanium alloy fine wire and also combining sufficient strength and to provide a method for producing ...
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JP2001107292A |
To provide a method for producing a metallic wire shaped body for a rubber product with a β titanium alloy as the material, in which the production cost is made reducible. As to this producing method, the surface of a β titanium alloy ...
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JP3157500B2 |
To obtain hot rolled wire rods and steel wires excellent in fatigue properties and used for reinforcing rubber tires of trucks, buses, passenger automobiles, etc. The hot rolled wire rods or steel wires excellent in fatigue properties co...
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JP3156165B2 |
PURPOSE: To stably obtain a pulsative voltage detected in a coil even in variation of the wire diameter of a magnetic wire rod by heat treatment. CONSTITUTION: In a composite wire rod 6, material whose outer peripheral part is softer tha...
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JP2001096307A |
To obtain a method for manufacturing a shape memory alloy tube capable of reducing the roughness of an inner wall side and scratches, and also having a good yield and obtaining a long-length tube. In the manufacturing method of the Ti-Ni...
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JP2001096337A |
To provide a method of manufacturing a copper tube which is inexpensive and stable in quality. A material tube of copper is cast by a continuous casting process using a heated mold, and the resultant material tube having a directionally ...
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JP2001096395A |
To provide a method of manufacturing a wire solder containing flux from solder hard to machine such as lead-free solder. A flux-containing wire solder is manufactured from solder hard to machine by forming a long and thin plate solder ha...
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JP3155184B2 |
To perform surface treatment and drawing of a high carbon steel wire rod with a simple disposition at a low cost and to obtain enough wire drawability. The surface of a wire rod 1 is smoothed by passing the wire rod 1 through a peeling d...
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JP2001087835A |
To provide a production method of a β titanium alloy fine wire capable of reducing a wire drawing cost and having high flexibility. A core material 1 of a β titanium ally fine wire rod subjected to solution heat treatment is inserted t...
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JP3152360B2 |
PURPOSE: To provide the small-diameter pipe inner periphery cutting device of a thick wall small-diameter pipe manufacturing facility removing fine cracks generated when pipes to be machined are draw-machined and manufacturing thick, sma...
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JP2001081534A |
To provide a stainless steel wire excellent in workability and capable of reducing the shape defect ratio at automatic coiling, and its manufacture method. The method of manufacturing the stainless steel wire includes steps of: applying ...
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JP2001074173A |
To miniaturize the device and reduce the weight of it, and save energy by reducing the installation space in the direction of heights of respective cylindrical rolls such as a photosensitive body-drum, a fixing roll in an electrophotogra...
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JP2001073189A |
To prevent the generation of whiskers and to obtain excellent quality at a low cost by applying tin plating on an element wire and drawing this wire to a prescribed diameter by using a die, then applying tin alloy coating on this tin coa...
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JP2001071023A |
To provide a lead wire to prevent generation of whiskers by drawing the wire after repeatedly providing at least a plurality of times a double plated layer comprising a tin plated layer and a tin alloy plated layer on a strand. Preferabl...
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JP2001071024A |
To provide an inner face grooved tube production method having a high working precision and high productivity. A mandrel 5 consisting of a connection bar 4, in which a grooved plug 2 is joined to its tip and a floating plug 3 is connecte...
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JP2001064753A |
To provide a high carbon steel wire rod for high strength large- diameter steel wire of ≥0.8 mm wire diameter and ≥1,700 MPa tensile strength, excellent in wire drawability. The steel wire rod has a composition consisting 0.60-1.10% ...
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JP3139560B2 |
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JP3139287B2 |
PURPOSE: To suppress attenuation of a lubricating effect in progression of drawing and to prevent seizure of a die by progressing a metallic wire to a die while rotating the wire around its axial center and drawing the metallic wire whil...
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JP2001047123A |
To form a highly raised part on an inner surface of a tube without degrading productivity. A form rolling part comprises a roll-pressing ball 1 to revolve around an axis of a tube outside the stock tube 3, and a grooved plug 2 to be rota...
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JP3136861B2 |
PURPOSE: To inexpensively obtain a hollow steering shaft with excellent quality. CONSTITUTION: A blank tube 16 having a circular shape of its cross section passes through a rough forming die 25 and feeds into a finish forming die 26. The...
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JP3136460B2 |
PURPOSE: To produce a straight orbit shaft having excellent fatigue strength and surface characteristics by drawing at a high reduction ratio. CONSTITUTION: A low-alloy steel having a carbon content of 0.35 to 0.55wt.% is used as a work ...
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JP2001030008A |
To provide a method for manufacturing a wire of the strength of the core wire of which is higher and which has a thick layer of copper or copper alloy on the outside at a low cost and manufacturing a long size wire continuously in the wi...
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