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JP6967876B2 |
To provide a metal multi-pipe type heat exchanger.A metal multi-pipe type heat exchanger has a hollow pipe whose inner peripheral side comprises at least two flow passages, and is configured to heat exchange between plurality of heat med...
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JP6964498B2 |
To provide an inner surface spiral grooved pipe which is a heat transfer pipe for a heat exchanger in which an inner surface spiral groove with a large twist angle is formed on a pipe material made from an aluminium alloy, and which gene...
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JP6964497B2 |
To provide an aluminum heat transfer pipe excellent in formability, especially in a pipe expansion property for inserting a U bend in assembling of a heat exchanger.An aluminum heat transfer pipe 10 is manufactured by twisting an origina...
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JP6955483B2 |
An aluminum alloy extruded material that exhibits high strength by air cooling immediately after extrusion processing and excellent stress corrosion cracking resistance, and a method for manufacturing the same are disclosed. The material...
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JP6942186B2 |
A connection tube (1) for connecting two tubes (8, 9) of different alloys, wherein the connection tube has a central through-hole extending along a longitudinal axis and comprises a first end portion (2) of a first alloy, a second end po...
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JP2021133398A |
To provide a method for manufacturing an aluminum extruded material that has excellent properties.A method for manufacturing an aluminum extruded material includes the steps of: shaping an aluminum green compact having a true density rat...
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JP6933762B2 |
In extrusion processing in which diameter reduction is performed by pressing a raw pipe having a core bar inserted therein into a die having a small inner diameter portion on its tip end side, a differential thickness pipe having a thick...
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JP2021123798A |
To provide a method for producing high-strength aluminum alloy extruded material that has excellent corrosion resistance and formability, good hardenability, and high productivity.There is provided a method for producing high-strength al...
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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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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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JP6905654B2 |
For the production of a reformer (6) in a fuel cell system (1), a profile (31) is extruded with guiding walls (17) for a meander-formed path (15) of the vapour during conversion into syngas for the fuel cell (2).
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JP6901791B2 |
The present disclosure relates to a method for preparing plastic working billets for composite material manufacture comprising: (A) a composite powder preparing step for preparing composite powder by ball-milling two or more types of het...
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JP6902931B2 |
To provide a multiple twisted tube with a spirally grooved inner surface, the tube being provided with a plurality of flow paths inside and being provided with spiral grooves in the flow paths, and thereby having an increased heat exchan...
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JP6893354B2 |
To solve the problem that, though the addition of a rare earth element(s) and the refining of crystal grain sizes are frequently used for improving the extensibility and moldability of a magnesium alloy, the conventional additional eleme...
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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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JP6872115B2 |
A metallic ingot for impact pressing includes a contact surface of the metallic ingot to contact a male mold in impact pressing having a maximum height roughness Rz of 20 μm to 50 μm and an average length of a roughness curve element R...
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JP6873922B2 |
A method for manufacturing a titanium aluminide blade of a turbine engine, including production of a titanium aluminide ingot, extrusion of the ingot through an opening in a die having one main arm and at least one side arm, such as to o...
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JP2021065888A |
To provide: an extrusion mold and a method of manufacturing extruded shapes by using the extrusion mold; and a roof rail.An extrusion mold of the present invention is an extrusion mold used in extrusion of extruded shapes of aluminum all...
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JP6864923B2 |
The present invention relates to a method of manufacturing an aluminum-based clad heat sink and to an aluminum-based clad heat sink manufactured by the method. The method includes (A) a step of preparing a composite powder by ball-millin...
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JP6864922B2 |
Disclosed are a method of manufacturing an aluminum alloy clad section, and an aluminum alloy clad section manufactured by the method. The method includes preparing a composite powder by ball-milling aluminum powder and carbon nanotubes,...
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JP2021055242A |
To provide a protection material for receiving a soft metal capable of preventing a soft metallic material from being damaged and having satisfactory wear resistance, even when the soft metallic material at a high temperature is slid.A p...
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JP6847630B2 |
To provide a heat conducting aluminum alloy pipe for an open rack vaporizer, which ha a sacrificial anode layer having an excellent durability on its surface, and the open rack vaporizer.A heat conducting aluminum alloy pipe for an open ...
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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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JP2021037534A |
To provide a continuous production method for a molded product, capable of integrated production from extrusion to a press molding and hardening process, in a molded product comprising a light alloy material.A method includes the steps o...
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JP6834508B2 |
To solve such a problem that, when a low speed extrusion speed of an exclusion press is 0.5 to 1 mm/s, tilt rate of a pump should be 15 to 30% and, when the tilt rate becomes less than 30% according to pump characteristic, fluctuation of...
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JP2021025085A |
To provide an Al-Cu-Mg-based aluminum alloy extrusion material having excellent high-temperature fatigue characteristics.The Al-Cu-Mg-based aluminum alloy extrusion material has a composition containing 3.0 to 4.0 mass% of Cu, 1.0 to 2.2...
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JP6811768B2 |
The present disclosure concerns composite material having improved strength at elevated temperatures. The composite material comprises a matrix of an aluminum alloy (comprising, in weight percent, Si 0.05-0.30, Fe 0.04-0.6, Mn 0.80-1.50,...
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JP2020180373A |
To provide a fiber-reinforced composite material that can achieve further weight reduction of aluminum and an alloy thereof.In a matrix of aluminum or an aluminum alloy, cellulose nanofibers are dispersed.SELECTED DRAWING: Figure 1
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JP6769723B2 |
To provide a method for achieving higher reliability in prevention of stress corrosion crack in a member (for example, an automotive component) made of a 7000 series aluminum alloy extruded material as a raw material.An extruded member c...
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JP2020163435A |
To provide a liner 10 of an extrusion container 2 which achieves excellent durability.A liner 10 of an extrusion container 2 has a nitrided layer near a slide surface 18. The nitrided layer includes: a white layer exposed on the slide su...
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JP2020153641A |
To generate a spiral flow to disturb a flow, prevent the laminar flow of a heat medium more simply, and improve heat exchange performance.A flat tube 13 is formed from a plate part 21 and a plate part 22. On the internal surface of a cha...
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JP6760027B2 |
To provide a manufacturing method which improves production efficiency of a high-strength low-alloy seamless metallic pipe for oil well excellent in hydrogen embrittlement resistance.A manufacturing method of a seamless metallic pipe com...
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JP6760584B2 |
To provide a plastically-worked magnesium alloy member that can achieve strength and ductility in a good balance while achieving flame retardancy.A plastically-worked magnesium alloy member contains, based on the total mass, 8.0 mass%-11...
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JP6761352B2 |
A method and to a system for producing open or closed annular structural components made of light metal and alloys thereof, preferably of magnesium or magnesium alloys, having a two-dimensional or three-dimensional structure by means of ...
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JP2020143340A |
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 ba...
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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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JP2020131215A |
To provide a method for producing a billet for extrusion molding capable of preventing occurrence of defect on the surface of an extruded material in the rear end part thereof, and to provide a production method for the extruded material...
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JP6733996B2 |
An extruder and tube extruder or metal extrusion press that has a press frame, which is composed of a cylinder bar and a counter bar connected to said cylinder bar, in which a movable block receiver holder that bears a block receiver and...
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JP2020090847A |
To provide an extrusion molding member and an extrusion molding member unit capable of enhancing increase in size and also providing excellent workability.In a plurality of extrusion molding members 2 held on the front side of a base bod...
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JP6696055B2 |
Method for manufacturing a composite tube having at least one double-layered portion with an annular outer layer of a first alloy and an annular inner layer of a second alloy provides a base component of the second alloy, having a centra...
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JP2020073754A |
To provide a column member made of an aluminum alloy and a column-beam joint structure in an aluminum building structure by a collapse connecting structure in which a projection having a crushed top part is extruded in connection.A colum...
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JP6692857B2 |
A system and method for treating a metal to obtain a material with uniform micro-structure. In an embodiment, an equal channel angular extrusion system (5) includes an interior mandrel (50) and an outer wall (55), and these define an exp...
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JP6676605B2 |
The invention relates to an extrusion press system. In certain embodiments, one or more hollow billets are loaded onto an elongate mandrel bar and transported along the mandrel bar to a rotating die. The billets are transported through f...
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JP6673123B2 |
To provide a Ti-Al-V-based α+β type titanium alloy hot extrusion shape material of an acicular structure having 0.2% bearing force of 880 MPa or more and elongation of 16% or more.There is provided an α+β type titanium alloy hot extr...
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JP6660042B2 |
Provided are a method of manufacturing a precipitation-strengthened Ni-based super heat resistant alloy extruded material with a high gamma prime content and an Ni-based super heat resistant alloy extruded material. This method of manufa...
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JP3225187U |
To provide an apparatus for deforming a work by extrusion molding. A device 1 includes a deformation machining tool 2 and a motor-type deformation machining drive device 3 provided for this purpose, which includes a numerical control dev...
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JP2020022980A |
To provide a simultaneous extruding and surface-roughening method that is able to reduce a manufacturing cost by shortening a step of roughening a side surface portion of a metal member.The method first extrudes a metal material from a d...
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JP2020015057A |
To provide a method of manufacturing an extruded material, in which the load on a die during extrusion is reduced when glass lubricating extrusion is applied, in direct extrusion using high hot working temperature.Provided is a method of...
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JP2020015058A |
To provide an extrusion molding billet and a method of manufacturing an extruded material, with which surface flaws of the extruded material can be restricted, when extruding and molding a 'nickel-based heat resistant superalloy' that is...
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