Aisin keikinzoku Co.

Toyama-shi, Japan

Aisin keikinzoku Co.

Toyama-shi, Japan
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Patent
Aisin Keikinzoku Co. and Giken Co. | Date: 2017-02-03

An extrusion apparatus includes an extruder, a run-out table that supports an extruded material that has been extruded from the extruder, a feed roller and a pulling roller that are provided at a given interval so as to be able to come in rolling contact with the extruded material that is situated on the run-out table, and a cooling section that cools the extruded material between the feed roller and the pulling roller, wherein the feed roller and the pulling roller apply a tensile force to the extruded material while the extruded material advances from the feed roller to the pulling roller.


Patent
Aisin Keikinzoku Co. | Date: 2016-11-17

An anodized member includes a metal, and an anodic oxide coating that is formed on the surface of the metal. The surface of the anodic oxide coating includes a high-concentration layer that has a sealing metal content of 1.5 mmol/g or more. The high-concentration layer has a thickness of 0.15 m or more.


Patent
Aisin Keikinzoku Co. | Date: 2016-12-21

An aluminum member exhibits improved alkali resistance with respect to an anodic oxide coating. The highly alkali-resistant aluminum member includes a material that includes aluminum or an aluminum alloy, an anodic oxide coating that is formed on the surface of the material, and a coating layer that is formed on the anodic oxide coating, and includes a siloxane glass component in a ratio of 90 mass % or more, wherein the coating layer has a thickness of 0.5 to 5.0 m and a coating mass of 0.4 to 5.0 g/m^(2).


Patent
Aisin Keikinzoku Co. and Aisin Seiki | Date: 2013-12-25

A surface treatment method improves the surface properties of a metal member while maintaining the metal surface texture, and a metal member is obtained by the surface treatment method. The surface-treated metal member is obtained by bringing a solution of a fluorine-based polymer into contact with a surface of an anodic oxidation coating that is formed on a surface of a metal and has not been subjected to a sealing treatment, and subjecting the anodic oxidation coating to a steam sealing treatment, the surface-treated metal member comprising a fluorine-based polymer layer having a thickness of 100 nm or less, and a composite sealed layer that is formed continuously under the fluorine-based polymer layer, the composite sealed layer having a configuration in which the fluorine-based polymer is present inside pores formed in the anodic oxidation coating.


An AlMgSi-based high-strength aluminum alloy extruded shape exhibits excellent corrosion resistance and ductility, and exhibits excellent hardenability during extrusion (i.e., ensures high productivity). A method for producing the same is also disclosed. The high-strength aluminum alloy extruded shape includes 0.65 to 0.90 mass % of Mg, 0.60 to 0.90 mass % of Si, 0.20 to 0.40 mass % of Cu, 0.20 to 0.40 mass % of Fe, 0.10 to 0.20 mass % of Mn, and 0.005 to 0.1 mass % of Ti, with the balance being Al and unavoidable impurities, the aluminum alloy extruded shape having a stoichiometric Mg_(2)Si content of 1.0 to 1.3 mass %, an excess Si content relative to stoichiometric Mg_(2)Si of 0.10 to 0.30 mass %, and a total content of Fe and Mn of 0.35 mass % or more.


An aluminum alloy extruded material exhibits excellent hardenability that ensures that high strength can be obtained by air-cooling immediately after extrusion and artificial aging, and exhibits excellent formability (e.g., press formability). An aluminum alloy includes 0.30 to 1.00 mass % of Mg, 0.6 to 1.40 mass % of Si, 0.10 to 0.40 mass % of Fe, 0.10 to 0.40 mass % of Cu, 0.005 to 0.1 mass % of Ti, and 0.3 mass % or less of Mn, with the balance being aluminum and unavoidable impurities, the aluminum alloy having a stoichiometric Mg_(2)Si content of 0.60 to 1.30 mass % and an excess Si content of 0.30 to 1.00 mass %.


An Al-Mg-Si-based high-strength aluminum alloy extruded shape exhibits excellent corrosion resistance and ductility, and exhibits excellent hardenability during extrusion (i.e., ensures high productivity). A method for producing the same is also disclosed. The high-strength aluminum alloy extruded shape includes 0.65 to 0.90 mass% of Mg, 0.60 to 0.90 mass% of Si, 0.20 to 0.40 mass% of Cu, 0.20 to 0.40 mass% of Fe, 0.10 to 0.20 mass% of Mn, and 0.005 to 0.1 mass% of Ti, with the balance being Al and unavoidable impurities, the aluminum alloy, extruded shape having a stoichiometric Mg_(2)Si content of 1.0 to 1.3 mass%, an excess Si content relative to stoichiometric Mg_(2)Si of 0.10 to 0.30 mass%, and a total content of Fe and Mn of 0.35 mass% or more.


Patent
Aisin Keikinzoku Co. | Date: 2014-03-27

An electrolytic apparatus that is used for a workpiece having an irregular cross-sectional shape, the workpiece having a hollow section that is formed vertically therethrough, and having a plurality of protrusions and a plurality of recesses that are formed on an inner surface thereof, the electrolytic apparatus includes a mounting section that closes a lower opening of the workpiece, a holding section that closes an upper opening of the workpiece, and an electrode that is placed inside the workpiece, the electrode having a hollow cross-sectional shape, and having a plurality of jet orifices for discharging an electrolyte solution respectively toward the plurality of recesses of the workpiece, and the mounting section and/or the holding section having a plurality of drain outlets that are provided respectively corresponding to the plurality of recesses of the workpiece.


Patent
Aisin Keikinzoku Co. | Date: 2016-07-28

An aluminum alloy used for a die casting process and a method for casting the aluminum alloy are provided. The aluminum alloy exhibits excellent internal quality, high elongation, and high strength. The aluminum alloy includes 6.0 to 9.0 mass % of Si, 0.4 to 0.8 mass % of Mg, 0.25 to 1.0 mass % of Cu, 0.08 to 0.25 mass % of Fe, 0.6 mass % or less of Mn, 0.2 mass % or less of Ti, and 0.01 mass % or less of one element selected from the group consisting of Sr, Sb, Ca, and Na, with the balance being Al and unavoidable impurities.


Patent
Aisin Keikinzoku Co. | Date: 2014-04-09

A high-strength aluminum alloy exhibiting excellent stress corrosion cracking resistance and excellent extrudability, and a method for producing an extruded shape using the same are disclosed. The aluminum alloy includes 1.6 to 2.6 mass% of Mg, 6.0 to 7.0 mass% of Zn, 0.5 mass% or less of Cu, and 0.01 to 0.05 mass% of Ti, with the balance being Al and unavoidable impurities.

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