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JP6952880B2 |
Provided are a high-strength bead wire and a method of manufacturing the same. The method includes preparing a wire rod containing 0.86 % to 1.02 % by weight of carbon, applying 5 g/m2to 10 g/m2of phosphate coating onto the surface of th...
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JP2021159939A |
To provide a technology relating to a chuck capable of easily gripping the root side of a wire and a wiring roll comprising the chuck.A chuck comprises a gripping part, a fixing part, and a movable part. The gripping part grips a wire. T...
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JP6945906B1 |
To provide a stainless steel wire in which the amount of γ remaining in the finished metal wire is maintained at a high value to improve workability, and a practical manufacturing method thereof. In mass%, C: 0.08% or less, Si: 1.00% or...
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JP2021126688A |
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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JP2021126689A |
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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JP6930825B2 |
To provide a method and a device for manufacturing a pipe with an inner surface spiral groove made of aluminum alloy.A manufacturing method of a pipe with an inner surface spiral groove includes: a process of causing the pipe with the in...
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JP6925170B2 |
To provide a pipe type heat exchanger made of a metal.A pipe type heat exchanger of the present invention is a metallic heat exchanger formed in an outer pipe with a plurality of torsion passages communicating in a longitudinal direction...
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JP2021119018A |
To provide a pipe with a spiral groove on an inner surface, which is made from aluminum or an aluminum alloy.In the present invention, a plurality of spiral grooves are formed along a lengthwise direction of a pipe body on an inner perip...
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JP2021115632A |
To provide a manufacturing method of metal hollow microcapsule needle which includes a tapered portion and has electric conductivity and to provide such a metal hollow microcapsule needle.A manufacturing method of metal hollow microcapsu...
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JP6908773B2 |
A manufacturing method of a textured and coated electrode wire, comprising: selecting a copper-zinc alloy as a core material, preparing, by means of electroplating/hot-dipping, a metal zinc coating on a surface of the wire material, then...
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JP6909054B2 |
To provide an internal spiral fluting multiple torsion pipe that accuracy of dimension of tongue and groove of the longer direction is high and fin shape is well-formed, and to provide a manufacturing method and manufacturing installatio...
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JP6902930B2 |
To provide a multiple torsion pipe with a spiral groove on an inner surface, which having high dimensional accuracy of a longitudinal groove shape and which has a neat fin shape, and provide a manufacturing method capable of adapting to ...
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JP6902932B2 |
To provide a multiple torsion pipe with a spiral groove on an inner surface, which having high dimensional accuracy of a longitudinal groove shape and which has a neat fin shape, and provide a manufacturing method and a manufacturing app...
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JP2021095585A |
To provide a metal wire that prevents a deformation or break from occurring in a wire.This metal wire is a tungsten wire or a tungsten alloy wire, the quantity of an alkali metal present at the surface of the metal wire being 2.0 μg or ...
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JP6886864B2 |
To provide a multiple pipe type heat exchanger made of a metal.A pipe type heat exchanger made of a metal in which the inner peripheral side of a hollow pipe is constituted of at least two or more channels, for performing heat exchange w...
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JP6888858B1 |
To provide a tongue device capable of easily holding a wire rod without directly touching a tongue claw. A pin 10 is projected from a wedge-shaped tongue claw 3 attached to a tongue case 2. A lever 13 having a recess 12 for pressing the ...
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JP6877283B2 |
To provide a thick-sized stainless steel wire with excellent strength.A thick-sized high-strength stainless steel wire contains, in mass%, C: 0.14% or less, Si: 0.1-4.0%, Mn: 0.1-15.0%, Ni: 0.1% or more and less than 15.0%, Cr: 11.0-20.0...
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JP6878191B2 |
To provide a capstan roll that can inhibit slippage at a slide contact surface between a wire and a capstan roll and breaking of the wire.A capstan roll includes a slide contact surface between a wire and a capstan roll, where an average...
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JP6846182B2 |
To provide a heat transfer pipe that is capable of stable production free from cracks and wrinkles at the time of hairpin processing of assembling a heat exchanger with a heat transfer pipe.An aluminum heat transfer pipe 10 that is a twi...
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JP6842125B2 |
To provide a manufacturing method that enables manufacture of a superelastic seamless tube making a diameter small without decreasing rigidity.In a method of manufacturing a superelastic seamless tube according to the present invention, ...
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JP2021508600A |
The present disclosure relates to a method for stretching a tube containing a ferrite FeCrAl alloy. One of the causes of the cold working of the ferrite FeCrAl alloy is the low ductility of the FeCrAl alloy. Even when FeCrAl alloy tubing...
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JP6837779B2 |
To provide a surface treated steel wire material capable of preventing a seizure from occurring during processing, such as wire drawing and reducing scrap clogging, and a method capable of simply manufacturing such a surface treated stee...
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JP6836887B2 |
A heat transfer tube is made of aluminum and includes a streak-shaped Zn diffusion layer (6, 106) which is spirally formed on a circular outer peripheral surface in a length direction. According to this heat transfer tube, even in a case...
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JP2021030251A |
To improve dimensional accuracy of a drawn steel pipe whose wall thickness changes in an axial direction.The drawn steel pipe has a first processing part 120 of a small diameter, a second processing part 121 of a large diameter, and a ta...
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JP6827003B2 |
To provide a method for controlling an outer diameter and an inner diameter of a pipe-like metal tube having a hollow structure such as a tubule when pulling out the metal tube.A pull-out machine 100 comprising: a first pull-out unit 40-...
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JP2020199531A |
To provide a drawing die which can set desired hardness distribution to a drawing material, a drawing method, and a design method for the drawing die.A drawing die 3d comprises an approach 30d, and a bearing 31d located on a downstream s...
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JP6800819B2 |
To provide means capable of preventing to the utmost generation of a lump of a lubricant, reducing to the utmost a time required for maintenance thereof, and as a result, reducing production cost of a wire for a polygonal cross section.A...
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JP2020533512A |
The present disclosure relates to a diesel fuel distribution type fuel rail for a diesel combustion engine, which comprises a diesel fuel distribution conduit and a plurality of injector cups for fluid communication with the diesel fuel ...
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JP6781647B2 |
To provide: an iron core for an ignition coil, which is superior in magnetic property and productivity; and a method for manufacturing the iron core for an ignition coil.An iron core for an ignition coil according to the present inventio...
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JP6767283B2 |
To provide a capstan for a wire drawing device capable of suppressing for a long term, swing at a peripheral end part of a capstan roll, even when rotation for wire drawing is repeated.A capstan for a wire drawing device includes a plura...
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JP6762879B2 |
A steel sheet is provided with a coating providing sacrificial cathodic protection. The coating includes between 1 and 40% by weight zinc, between 0.01 and 0.4% by weight lanthanum, optionally up to 10% by weight magnesium, optionally up...
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JP2020146738A |
To provide a puller grip device which can prevent scratches on an outer peripheral surface of a drum by always maintaining a state along the outer peripheral surface of the drum.A puller grip device 2 comprises: a chuck member 4 which ho...
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JP2020143339A |
To provide an aluminum alloy capable of forming a highly smooth outer surface and capable of suppressing a production cost, a manufacturing method of an aluminum alloy extruded material, a manufacturing method of a photosensitive drum, a...
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JP6737686B2 |
To provide a pure titanium metal wire molded in a linear shape or a rod shape while forming fine crystal grains, and a processing method thereof.A processing method includes preliminary processing and deformation processing. The prelimin...
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JP6737160B2 |
To restrain the occurrence of damage in a shaft part.A door pull of the present invention comprises a head part stored on the inside of a metal pipe and hooked on a front end part of the metal pipe and a shaft part for projecting from th...
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JP6726353B2 |
An apparatus for preparing a tube end for rod drawing with a floating mandrel has a releasable holder for the tube end centered on an axis, a frustoconical and spreadable floating mandrel, and a device for inserting the mandrel into the ...
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JP6688615B2 |
To provide a high strength ultra fine steel wire excellent in stranded-wire disconnection resistance.There is provided a high strength ultra fine steel wire 10 having wire diameter of 0.18 to 0.45 mm and tensile strength of 3000 MPa or m...
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JP6686847B2 |
To provide a recovery device of which lowering of working efficiency can be suppressed when recovering a door pull.A door pull is provided on a rear end of a shank, and comprises a head which hooks on a front end part when performing dra...
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JP6686803B2 |
To provide a necking method of a duplex stainless steel pipe in which cracking is suppressed without performing solution heat treatment, and a duplex stainless steel pipe manufacturing method using the necking method.In a necking method,...
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JP6665538B2 |
To provide a steel wire drawing device capable of performing wire drawing to a wire-shaped steel stock from which a surface defect is removed, by a simple constitution; and to provide a steel wire drawing method therefor.A steel wire dra...
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JP6643112B2 |
To provide a method and a device for manufacturing a pipe with an internal spiral groove by which a large torsion angle is given to a pipe and bulk production of such a pipe is enabled.According to a method for manufacturing a pipe with ...
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JP6644227B1 |
To provide a stranded conductor capable of producing a stranded conductor having a cross-sectional shape close to a perfect circle without compression or with a low compressibility. It has a central layer 11 formed by arranging three inn...
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JP6631328B2 |
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JP6628694B2 |
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JP6615737B2 |
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JP6614006B2 |
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JP6596186B1 |
A wire of a platinum-based material is coated with gold or a gold alloy, and wire drawing is performed with a die containing carbon. The fine wire produced in this way is coated with gold or a gold alloy, and the coverage of gold or the ...
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JP6584027B2 |
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JP6584765B2 |
The electrode wire for electrical discharge machining according to this invention comprises: an external layer including β-brass and γ-brass; and a core having an undulating shape formed at a boundary surface with the external layer. T...
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JP6573766B2 |
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