Patents Examined by Janell C Morillo
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Patent number: 10669615Abstract: An aluminium, magnesium and silicon-based die casting alloy having 5.0-7.0 wt. % magnesium, 1.5-7.0 wt. % silicon, 0.3-0.8 wt. % manganese, 0.03-0.5 wt. % iron, 0.01-0.4 wt. % molybdenum, 0.01-0.3 wt. % zirconium, 0-0.25 wt. % titanium, 0-0.25 wt. % strontium, 0-250 ppm phosphorus, 0-4 wt. % copper and 1-10 wt. % zinc, the remainder being aluminium and inevitable impurities.Type: GrantFiled: May 2, 2016Date of Patent: June 2, 2020Assignee: Rheinfelden Alloys GmbH & Co. KGInventor: Stuart Wiesner
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Patent number: 10669616Abstract: An aluminum alloy composition includes, in weight percent: 0.7-1.10 manganese; 0.05-0.25 iron; 0.21-0.30 silicon; 0.005-0.020 nickel; 0.10-0.20 titanium; 0.014 max copper; and 0.05 max zinc, with the balance being aluminum and unavoidable impurities. The alloy may tolerate higher nickel contents than existing alloys, while providing increased corrosion resistance, as well as similar extrudability, strength, and performance. Billets of the alloy may be homogenized at 590-640° C. and controlled cooled at less than 250° C. per hour. The homogenized billet may be extruded into a product, such as an aluminum alloy heat exchanger tube.Type: GrantFiled: September 20, 2013Date of Patent: June 2, 2020Assignee: Rio Tinto Alcan International LimitedInventors: Nicholas C. Parson, Raynald Guay, Alexandre Maltais
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Patent number: 10662514Abstract: Provided herein are anodized quality AA6xxx series aluminum alloy sheets and methods for making anodized quality AA6xxx series aluminum alloy sheets. Also described herein are products prepared from the anodized quality AA6xxx series aluminum alloy sheets. Such products include consumer electronic products, consumer electronic product parts, architectural sheet products, architectural sheet product parts, and automobile body parts.Type: GrantFiled: July 18, 2016Date of Patent: May 26, 2020Assignee: NOVELIS INC.Inventors: Alok Gupta, Daehoon Kang, Rajeev G. Kamat, Devesh Mathur
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Patent number: 10597762Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.Type: GrantFiled: September 30, 2014Date of Patent: March 24, 2020Assignee: Apple Inc.Inventors: Brian M. Gable, James A. Wright, Charles J. Kuehmann, Brian Demers, Chune-Ching Young, Chun-Hsien Chiang
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Patent number: 10584401Abstract: A rolled aluminum alloy material is provided with excellent strength and press workability and with which a poor and patchy appearance is less likely to occur after the alumite treatment. The rolled aluminum alloy material can be utilized for components of a bicycle crank. The rolled aluminum alloy material has a component composition comprising 0.6-1.4 wt % of Mg, 0.3-1.0 wt % of Si, 0.1-0.5 wt % of Cu, 0.02-0.4 wt % of Cr, and 0.1-0.6 wt % of Mn, and Al and inevitable impurities as the remainder.Type: GrantFiled: June 5, 2015Date of Patent: March 10, 2020Assignee: Shimano Inc.Inventors: Kazunori Kobayashi, Wataru Yamaguchi, Masanori Taniguchi, Toru Iwai
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Patent number: 10570485Abstract: New 2xxx aluminum alloys containing vanadium are disclosed. In one embodiment, the aluminum alloy includes 3.3-4.1 wt. % Cu, 0.7-1.3 wt. % Mg, 0.01-0.16 wt. % V, 0.05-0.6 wt. % Mn, 0.01 to 0.4 wt. % of at least one grain structure control element, the balance being aluminum, incidental elements and impurities. The new alloys may realize an improved combination of properties, such as in the T39 or T89 tempers.Type: GrantFiled: May 20, 2014Date of Patent: February 25, 2020Assignee: ARCONIC INC.Inventors: Jen C. Lin, Ralph R. Sawtell, Gary H. Bray, Cindie Giummarra, Andre Wilson, Gregory B. Venema
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Patent number: 10557188Abstract: An aluminum alloy composition includes, in weight percent: 0.5-0.7 manganese; 0.05-0.15 iron; 0.3-0.5 silicon; 0.020 max nickel; 0.05-0.15 titanium; 0.01 max copper; and 0.10 max zinc, with the balance being aluminum and unavoidable impurities. The alloy may also have a combined amount of manganese and silicon of at least 0.8 wt. % and/or a Mn/Si ratio of 2.25 or less. The alloy may tolerate higher nickel contents than existing alloys, while providing increased corrosion resistance, as well as similar extrudability, strength, and performance. Billets or other intermediate products formed of the alloy may be homogenized at 500-595° C. and controlled cooled at 400° C. per hour or less. The homogenized billet may be extruded into an extruded product, such as an aluminum alloy heat exchanger tube.Type: GrantFiled: March 19, 2015Date of Patent: February 11, 2020Assignee: Rio Tinto Alcan International LimitedInventors: Nicholas C. Parson, Greg Lea
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Patent number: 10550456Abstract: The invention relates to an aluminium alloy strip composed of an AA 5xxx-type aluminium alloy containing at least 4 wt. % of Mg in addition to Al and inevitable impurities. The object of the invention of proposing an aluminium alloy strip in an AlMg aluminium alloy strip which is resistant to intercrystalline corrosion despite having high strength and an Mg content of at least 4 wt. %, is achieved according to a first teaching of the present invention by an aluminium alloy strip that has a recrystallized microstructure, the grain size (GS) of which in ?m has the following relation to the Mg content (c_Mg) in wt. % : GS?22+2*c_Mg, and wherein the aluminium alloy of the aluminium alloy strip has the composition described herein.Type: GrantFiled: February 18, 2015Date of Patent: February 4, 2020Assignee: Hydro Aluminium Rolled Products GmbHInventors: Thomas Hentschel, Olaf Engler, Henk-Jan Brinkman
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Patent number: 10525528Abstract: An aluminum alloy includes 6 to 8.5 wt % of magnesium (Mg), 4 to 6 wt % of silicon (Si), 0.4 to 0.8 wt % of iron (Fe), 0.2 to 0.5 wt % of manganese (Mn), 0.01 to 0.1 wt % of copper (Cu), 0.05 to 0.15 wt % of titanium (Ti), and the remainder being aluminum (Al), and may be in use for die-casting electronic components or communication components which require weight reduction and high corrosion resistance.Type: GrantFiled: April 28, 2017Date of Patent: January 7, 2020Assignee: KMW INC.Inventors: Yoon-Yong Kim, Chang-Woo Yoo
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Patent number: 10508329Abstract: An aluminum alloy material for use in thermal conduction to which improved castability has been imparted by silicon addition. It has improved thermal conductivity and improved strength. The material has a composition containing 7.5-12.5 mass % Si and 0.1-2.0 mass % Cu, the remainder being Al and unavoidable impurities, wherein the amount of copper in the state of a solid solution in the matrix phase is regulated to 0.3 mass % or smaller. The composition may further contain at least 0.3 mass % Fe and/or at least 0.1 mass % Mg, provided that the sum of (Fe content) and (content of Mg among the impurities)×2 is 1.0 mass % or smaller and the sum of (Cu content), (content of Mg among the impurities)×2.5, and (content of Zn among the impurities) is 2.0 mass % or smaller.Type: GrantFiled: October 18, 2013Date of Patent: December 17, 2019Assignee: Nippon Light Metal Company, Ltd.Inventors: Hiroshi Horikawa, Masahiko Shioda
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Patent number: 10501833Abstract: An aluminium alloy for producing semi-finished products or components for motor vehicles is provided, wherein the alloying components of the aluminium alloy have the following contents in percent by weight: Fe?0.80%, Si?0.50%, 0.90%?Mn?1.50%, Mg?0.25%, Cu?0.125%, Cr?0.05%, Ti?0.05%, V?0.05%, Zr?0.05%, the remainder being aluminium, unavoidable impurity elements, individually <0.05%, in total <0.15%, and the combined content of Mg and Cu satisfies the following relation in percent by weight: 0.15%?Mg+Cu?0.25%, wherein the Mg content of the aluminium alloy is greater than the Cu content of the aluminium alloy. A method for producing an aluminium alloy strip from such an aluminium alloy and an aluminium alloy strip produced by this method are also provided, as well as uses thereof.Type: GrantFiled: August 14, 2015Date of Patent: December 10, 2019Assignee: Hydro Aluminum Rolled Products GmbHInventors: Thomas Hentschel, Henk-Jan Brinkman, Olaf Engler, Réginald Dupuis
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Patent number: 10501829Abstract: A method for producing a structural sheet metal component formed from an aluminum alloy for a motor vehicle includes providing an aluminum sheet blank in a state T4 or T5 or T6 or T7, heating the aluminum sheet blank to a heating temperature between 100° C. and 450° C., forming the aluminum sheet blank to a structural sheet metal component, and heat post-treatment of the formed structural sheet metal component.Type: GrantFiled: April 25, 2012Date of Patent: December 10, 2019Assignee: BENTELER AUTOMOBILTECHNIK GMBHInventors: Friedrich Bohner, Jochen Dörr, Jochem Grewe
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Patent number: 10472707Abstract: An Al—Zn—Mg—Cu alloy with improved damage tolerance-strength combination properties. The present invention relates to an aluminum alloy product comprising or consisting essentially of, in weight %, about 6.5 to 9.5 zinc (Zn), about 1.2 to 2.2% magnesium (Mg), about 1.0 to 1.9% copper (Cu), preferable (0.9 Mg?0.6)?Cu?(0.9 Mg+0.05), about 0 to 0.5% zirconium (Zr), about 0 to 0.7% scandium (Sc), about 0 to 0.4% chromium (Cr), about 0 to 0.3% hafnium (Hf), about 0 to 0.4% titanium (Ti), about 0 to 0.8% manganese (Mn), the balance being aluminum (Al) and other incidental elements. The invention relates also to a method of manufacturing such as alloy.Type: GrantFiled: December 27, 2013Date of Patent: November 12, 2019Assignee: ALERIS ROLLED PRODUCTS GERMANY GMBHInventors: Rinze Benedictus, Christian Joachim Keidel, Alfred Ludwig Heinz, Nedia Telioui
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Patent number: 10458009Abstract: A wrought aluminium alloy product having the following chemical composition, expressed in wt %: 1.3%?Si?12%, 1.35%?Fe?1.8% wherein the total Fe+Si content is higher than 3.4%, preferably 3.6%; 0.15%?Cu?6%; 0.6%?Mg?3%; optionally, one or more of the following elements: Mn?1%; Cr?0.25%; Ni?3%; Zn?1%; Ti?0.1%; Bi?0.7%; In?0.7%; Sn?0.7%; other elements <0.05% each and 0.15% in total; and the balance aluminium.Type: GrantFiled: May 15, 2013Date of Patent: October 29, 2019Assignee: CONSTELLIUM EXTRUSIONS DECIN S.R.O.Inventors: Ravi Shahani, Lukasz Dolega, Ivo Kolarik
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Patent number: 10450636Abstract: A composition comprises, in weight percent: Al as a largest constituent; 3.0 6.0 Cr; 1.5 4.0 Mn; 0.1 3.5 Co; and 0.3 2.0 Zr.Type: GrantFiled: July 9, 2014Date of Patent: October 22, 2019Assignee: United Technologies CorporationInventors: Thomas J. Watson, Iuliana Cernatescu
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Aluminum alloy products having improved property combinations and method for artificially aging same
Patent number: 10450640Abstract: Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg?(Cu+0.3); and 0.05 to 0.4 wt. % Zr, the balance Al, incidental elements and impurities. Preferably, the alloy contains about 6.9 to 8.5 wt. % Zn; 1.2 to 1.7 wt. % Mg; 1.3 to 2 wt. % Cu. This alloy provides improved combinations of strength and fracture toughness in thick gauges. When artificially aged per the 3-stage method of preferred embodiments, this alloy also achieves superior SCC performance, including under seacoast conditions.Type: GrantFiled: August 8, 2013Date of Patent: October 22, 2019Assignee: ARCONIC INC.Inventors: Dhruba J. Chakrabarti, John Liu, Jay H. Goodman, Gregory B. Venema, Ralph R. Sawtell, Cynthia M. Krist, Robert W. Westerlund -
Patent number: 10435774Abstract: The present application discloses wrought 2xxx Al—Li alloy products that are work insensitive. The wrought aluminum alloy products generally include from about 2.75 wt. % to about 5.0 wt. % Cu, from about 0.2 wt. % to about 0.8 wt. % Mg, where the ratio of copper-to-magnesium ratio (Cu/Mg) in the aluminum alloy is in the range of from about 6.1 to about 17, from about 0.1 wt. % to 1.10 wt. % Li, from about 0.3 wt. % to about 2.0 wt. % Ag, from 0.50 wt. % to about 1.5 wt. % Zn, up to about 1.0 wt. % Mn, the balance being aluminum, optional incidental elements, and impurities. The wrought aluminum alloy products may realize a low strength differential and in a short aging time due to their work insensitive nature.Type: GrantFiled: September 15, 2014Date of Patent: October 8, 2019Assignee: ARCONIC INC.Inventors: Cagatay Yanar, Roberto J. Rioja, Jen C. Lin, Ralph R. Sawtell
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Patent number: 10408202Abstract: A swash plate includes 34.5 to 43.0 wt % of copper (Cu) and 0.5 to 2.8 wt % of silicon (Si), with a remainder of aluminum (Al) and other inevitable impurities.Type: GrantFiled: February 26, 2016Date of Patent: September 10, 2019Assignee: HYUNDAI MOTOR COMPANYInventor: Hee Sam Kang
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Patent number: 10384262Abstract: A die casting method and apparatus are provided, thereby making it possible to produce a thin diecast product that has hitherto been considered impossible to realize, and a diecast product is also provided. A semi-solidified metallic material is formed having particles in solid phase of a particle size less than 30 ?m, and is thereupon injected into a die. A die casting machine has a sleeve into which a melt of metallic material is poured, and the semi-solidifying material there when it has a certain proportion of solid phase reached is injected into the die with a plunger to which pressure is applied. The melt of metallic material is poured into the sleeve so that the material occupies inside the sleeve at a proportion in vertical cross-sectional area of 30% or less. The particle size in this semi-solid material is held unvaried in a product as diecast.Type: GrantFiled: April 13, 2015Date of Patent: August 20, 2019Assignee: TOHOKU UNIVERSITYInventors: Masayuki Itamura, Kouichi Anzai
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Patent number: 10367204Abstract: It is an object to provide an aluminum alloy foil for an electrode current collector, the foil having a high post-drying strength after application of an active material while keeping a high electrical conductivity. Disclosed is an aluminum alloy foil for an electrode current collector, comprising 0.03 to 0.1 mass % (hereinafter, “mass %” is simply referred to as “%”) of Fe, 0.01 to 0.1% of Si, and 0.0001 to 0.01% of Cu, with the rest consisting of Al and unavoidable impurities, wherein the aluminum alloy foil after final cold rolling has a tensile strength of 180 MPa or higher, a 0.2% yield strength of 160 MPa or higher, and an electrical conductivity of 60% IACS or higher; and the aluminum alloy foil has a tensile strength of 170 MPa or higher and a 0.2% yield strength of 150 MPa or higher even after the aluminum alloy foil is subjected to heat treatment at any of 120° C. for 24 hours, 140° C. for 3 hours, and 160° C. for 15 minutes.Type: GrantFiled: December 12, 2011Date of Patent: July 30, 2019Assignees: UACJ Corporation, UACJ Foil CorporationInventors: Masakazu Seki, Satoshi Suzuki, Tomohiko Furutani, Kenji Yamamoto, Koichi Ashizawa