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WO/1982/003191A1 |
The invention makes the production of bent tubes possible by cold drawing of a hollow tube blank (10) in one operation for reduction of the outer diameter and the wall thickness. It is characterized in that a straight tube blank is drawn...
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WO/1981/003440A1 |
A method of making brass pipes consists in subjecting a pipe workpiece to a cold pressure shaping up to a deformation degree of 75 to 90 per cent with subsequent annealing at a temperature of 400 to 480 C in a shielding gas atmosphere.
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WO/1981/001671A1 |
A method of making a microwire characterized in that a wire blank (1) for the microwire (2) in the course of its drawing is alternatively rolled over in relation to the drawing axis (B-B) by at least half lengths of the circumference of ...
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WO/1980/001260A1 |
Method of manufacturing wire. "High performance" alloy rods (10) in an "as cast" condition are incorporated into a filled billet (12) which is extruded within defined extrusion parameters to obtain a simultaneous reduction in the diamete...
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JP2024059120A |
[Problem] It is possible to reduce the temperature drop of the iridium alloy wire at the entrance surface of the die (that is, reduce the temperature drop during L2 movement), and to prevent the iridium alloy wire from overheating when w...
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JP7471520B2 |
The present invention discloses a method for manufacturing a low-carbon nitrogen-containing austenitic stainless steel bar, which sequentially includes the following steps: smelting, electroslag remelting and forging; in the electroslag ...
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JP2024050611A |
An object of the present invention is to provide a metal wire that is less prone to wire curling and wire breakage. [Solution] The metal wire is a tungsten wire or a tungsten alloy wire, and the amount of alkali metal present on the surf...
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JP2024048004A |
[Problem] It is possible to obtain an ultra-thin tube with a small tube diameter and wall thickness, suppressed thickness unevenness, and minute inner surface roughness, and achieve both a smooth inner surface and a longer tube length. T...
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JP7458469B1 |
[Problem] To provide a straight wire 2 for medical treatment instruments that has excellent torque transmission properties. A straight wire 2 for a medical treatment tool is a single wire type. This wire 2 has undulations. This undulatio...
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JP2024039166A |
The present invention provides a method and apparatus for manufacturing a contact wire that can manufacture a high-strength contact wire. [Solution] When manufacturing a contact wire 100 made of a copper base material containing 0.25% by...
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JP7452066B2 |
To provide a wire drawing device which can continuously perform shaving and wire drawing of a wire material composed of a metal material while avoiding thinning and breakage of the wire materials between a shaving part and a wire drawing...
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JP7452067B2 |
To provide a cutting device and a cutting method which can remove a surface layer part while avoiding formation of scratches accompanying fixation and winding of a rod material composed of a metal material while being bent to the rod mat...
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JP7434687B2 |
The present disclosure relates to a method for straightening of a tube comprising a ferritic FeCrAl-alloy. One reason for the challenges regarding the cold working of a hollow of a ferritic FeCrAl-alloy into a finished tube is that FeCrA...
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JP2024006814A |
[Problem] To provide a multicore wire that can reduce costs, generate a stable magnetic field, and suppress generation of heat. [Solution] A multicore wire in which a plurality of filaments, which are second metal tubes, are arranged ins...
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JP7415287B2 |
An aluminum base wire includes a core wire composed of pure aluminum or an aluminum alloy; a plurality of coating pieces provided so as to be scattered on an outer periphery of the core wire; and a coating layer provided on the outer per...
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JP2024006448A |
The present invention provides a tungsten wire that can achieve both low resistance and a small wire diameter. A tungsten wire 1 has a specific resistance value of 6.2 μΩ·cm or more and 6.9 μΩ·cm or less, a wire diameter of 50 μm ...
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JP2023167941A |
To provide a wire drawing processing method of a steel wire having high strength, preferable moldability, and excellent relative magnetic permeability, and a steel wire manufactured by the method.In a wire drawing processing method of pa...
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JP7379214B2 |
To provide a precursor of a MgB2 superconducting wire material that is difficult to tear in a metal tube including raw material powder of MgB2 at the time of wire drawing, when manufacturing MgB2 superconducting wire material by a powder...
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JP7369241B1 |
The present invention provides a gold alloy wire for chain making that can reduce the occurrence of irregular shapes and defects in links and improve the yield of machine chains, and a high quality and high grade gold alloy chain using t...
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JP2023154806A |
To provide a method capable of stably manufacturing a thin small-diameter PtIr alloy pipe having a thickness of 0.02-0.04 mm and an outer diameter of φ0.3-1.5 mm without problems such as crack and collapse.This method is for manufacturi...
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JP2023535656A |
A processing process of NPR rebar coil, wherein the NPR rebar is in a cold working state, its diameter is less than 14mm, its yield strength is 800Mpa~950Mpa, its tensile strength is 900MPa~1100MPa, and the maximum elongation is rate20%,...
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JP2023531248A |
A well-defined method of manufacturing a tube from a steel composition, particularly a method of manufacturing a tube for a storage gas inflator pressure vessel, is: a) manufacturing a steel pipe from the steel composition comprising at ...
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JP2023530877A |
TECHNICAL FIELD The present invention relates to the technical field of manufacturing magnesium alloys, which are metallic materials, and particularly provides a manufacturing method for biomedical magnesium alloy wires. Magnesium, zinc,...
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JP2023528492A |
The present invention relates to the technical field of biomedical materials, and in particular provides a degradable in-situ composite magnesium alloy staple and a method for producing the same. The staple is made of composite structura...
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JP2023088936A |
To provide a method for enhancing the collapse resistance of metallic tubular products.The method comprises identifying the types of stress applied to change a residual stress profile of a metallic tubular product that has undergone a st...
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JP2023086199A |
To provide a magnesium wire in which defects in wire drawing such as internal deletion and breakage do not occur, and can be improved in corrosion resistance in a case where the wire is thinned.A magnesium wire according to the present i...
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JP7288255B2 |
To provide an equivalent strain introduction method by which an equivalent strain introduction part can be wholly or partially formed with good efficiency in a circumferential direction for a tube wall of a metal tube.According to this m...
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JP7270164B2 |
A wire for electric discharge machining comprises a tungsten wire including cerium oxide in an amount of 0.2-0.4 wt% (inclusive), and the surface roughness Rz of the tungsten wire is 0.6-2.0 μm (inclusive).
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JP2023518339A |
An object of the present invention is to provide a method, a device and a drawing mandrel that allow monitoring the forming process in the greatest possible detail. This object is achieved by a drawing machine and a drawing method for pr...
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JP7265131B2 |
To reduce the slip of a gripper at a tube end part in a drawing process of a metal tube, and to more easily produce the metal tube devoted to a drawing process.A metal tube (10) used for drawing process comprises a tube body (11), a tube...
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JP7262129B2 |
Disclosed is a method for producing a copper alloy, which comprises: (a) obtaining an as-cast billet of a copper alloy by horizontal continuous casting, in which alloy elements in the as-cast billet are in a supersaturated solid solution...
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JP7251925B2 |
A caterpillar-traction drawing machine and a method for drawing of elongated workpieces can be provided with at least one drawing tool fastened pivotally on a tool holder and/or with at least two identical drawing recesses, which can be ...
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JP2023028687A |
To provide an expanded tube thinning drawing device which enable reuses of a mouth even after second drawing.An expanded tube thinning drawing device 10 comprises: a die bearing 2a for reducing the thickness of a header 1; a drawing plug...
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JP7209157B2 |
A manufacturing method of a plated wire rod, the method including: preparing a plated wire rod precursor including a base material that is wire-drawn and that has a linear shape and a plating film that is provided on a surface of the bas...
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JP2023006905A |
To ensure processing stability resulting from suppression of a nonuniform deformation shape in a wire-drawing method.Provided is a wire-drawing method for decreasing, by wire-drawing, a cross-section diameter of a first wire rod having a...
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JP7204901B2 |
This capstan roll is provided with: a metal core comprising an annular body having in the center section thereof a through-hole through which a rotary shaft penetrates, the metal core being provided with a key groove in the inner periphe...
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JP2022553930A |
The present invention is provided with a cylindrical tube (1) as an initial form and then the cylindrical tube (1) is cut with a tapered front portion (10) tapering towards an introduction tip (9). A screw foundation (12) for fixing the ...
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JP7177625B2 |
To provide a multiple die capable of providing wire drawing of high quality.A multiple die 1 comprises a first die 10 having a first bearing 14, a second die 20 having a second bearing 24 of a smaller diameter than the first bearing 14 a...
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JP7159749B2 |
To realize down-sizing and reduction in cost of a wire drawing machine which draws a metal wire by use of a wire drawing die.A wire drawing machine comprises a forming roll, a first capstan, a wire drawing die and a second capstan to whi...
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JP7144091B1 |
An object of the present invention is to simply and easily set the position of a die plug. A die stand 3 on which a die D is arranged, a sensor S for tip detection that can approach the tip of the plug P, and this sensor S is held at the...
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JP2022141668A |
To provide a method and an apparatus for manufacturing a hollow rack bar which can save a weight and a material.A method for manufacturing a hollow rack bar 1 including a tooth part 6 which is formed of a hollow shaft material 2 and has ...
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JP7133304B2 |
A manufacturing method for a hollow rack bar made of a hollow shaft material and including a toothed section which has a rack on an outer surface and a shaft section which is formed thinner than the toothed section, the manufacturing met...
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JP7113120B1 |
A crimp grip that eliminates the need to cut the sheathing of the sheathed tendons. A substantially cylindrical crimping grip 1 and a cylindrical insert 2 inserted into the crimping grip 1 are formed. , and the height of the insert inner...
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JP2022107925A |
To provide a long tube pulling-out and cutting device and a long tube pulling-out and cutting method capable of reducing a workspace for pulling-out and cutting a long tube.A long tube pulling-out and cutting device 10 comprises: a pulli...
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JP2022107886A |
To provide a metal-coated magnesium wire suitably available as a hydrogen storage material and a production method thereof.A metal-coated magnesium wire 1 comprises: a core material 2; and a metallic outer covering layer 3 with which an ...
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JP2022533593A |
The present invention relates to a drawing facility 1 and a method for automatically operating the drawing facility 1, in which at least one quality sensor 3 is used to determine the linearity of the drawing material and the linearity of...
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JP7102340B2 |
Method for manufacturing a tube of metal in which sensors are attached to tubes, which register and signal a damage of the tube. It is detrimental that protection of the sensors at these tubes against environmental influences is complex....
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JP2022099924A |
To provide a drawing processing method capable of restraining the occurrence of seizure due to running out of lubricating oil on an outer surface of a rod-like pull-out material.A drawing processing method draw-processes a workpiece 20 o...
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JP2022076878A |
To provide a continuous drawing method and a continuous drawing device by which a drawn tube with high surface quality can be obtained.According to a continuous drawing method, a plurality of element tubes 40 are continuously drawn by se...
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JP2022068827A |
To uniformize a cross-sectional shape in the longitudinal direction of a wire material in a wire drawing processing method.A first wire material having a first pipe material having a first longitudinal length and a second pipe material h...
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