Patents Examined by Janell C Morillo
  • Patent number: 10669615
    Abstract: 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: Grant
    Filed: May 2, 2016
    Date of Patent: June 2, 2020
    Assignee: Rheinfelden Alloys GmbH & Co. KG
    Inventor: Stuart Wiesner
  • Patent number: 10669616
    Abstract: 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: Grant
    Filed: September 20, 2013
    Date of Patent: June 2, 2020
    Assignee: Rio Tinto Alcan International Limited
    Inventors: Nicholas C. Parson, Raynald Guay, Alexandre Maltais
  • Patent number: 10662514
    Abstract: 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: Grant
    Filed: July 18, 2016
    Date of Patent: May 26, 2020
    Assignee: NOVELIS INC.
    Inventors: Alok Gupta, Daehoon Kang, Rajeev G. Kamat, Devesh Mathur
  • Patent number: 10597762
    Abstract: 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: Grant
    Filed: September 30, 2014
    Date of Patent: March 24, 2020
    Assignee: Apple Inc.
    Inventors: Brian M. Gable, James A. Wright, Charles J. Kuehmann, Brian Demers, Chune-Ching Young, Chun-Hsien Chiang
  • Patent number: 10584401
    Abstract: 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: Grant
    Filed: June 5, 2015
    Date of Patent: March 10, 2020
    Assignee: Shimano Inc.
    Inventors: Kazunori Kobayashi, Wataru Yamaguchi, Masanori Taniguchi, Toru Iwai
  • Patent number: 10570485
    Abstract: 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: Grant
    Filed: May 20, 2014
    Date of Patent: February 25, 2020
    Assignee: ARCONIC INC.
    Inventors: Jen C. Lin, Ralph R. Sawtell, Gary H. Bray, Cindie Giummarra, Andre Wilson, Gregory B. Venema
  • Patent number: 10557188
    Abstract: 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: Grant
    Filed: March 19, 2015
    Date of Patent: February 11, 2020
    Assignee: Rio Tinto Alcan International Limited
    Inventors: Nicholas C. Parson, Greg Lea
  • Patent number: 10550456
    Abstract: 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: Grant
    Filed: February 18, 2015
    Date of Patent: February 4, 2020
    Assignee: Hydro Aluminium Rolled Products GmbH
    Inventors: Thomas Hentschel, Olaf Engler, Henk-Jan Brinkman
  • Patent number: 10525528
    Abstract: 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: Grant
    Filed: April 28, 2017
    Date of Patent: January 7, 2020
    Assignee: KMW INC.
    Inventors: Yoon-Yong Kim, Chang-Woo Yoo
  • Patent number: 10508329
    Abstract: 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: Grant
    Filed: October 18, 2013
    Date of Patent: December 17, 2019
    Assignee: Nippon Light Metal Company, Ltd.
    Inventors: Hiroshi Horikawa, Masahiko Shioda
  • Patent number: 10501833
    Abstract: 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: Grant
    Filed: August 14, 2015
    Date of Patent: December 10, 2019
    Assignee: Hydro Aluminum Rolled Products GmbH
    Inventors: Thomas Hentschel, Henk-Jan Brinkman, Olaf Engler, Réginald Dupuis
  • Patent number: 10501829
    Abstract: 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: Grant
    Filed: April 25, 2012
    Date of Patent: December 10, 2019
    Assignee: BENTELER AUTOMOBILTECHNIK GMBH
    Inventors: Friedrich Bohner, Jochen Dörr, Jochem Grewe
  • Patent number: 10472707
    Abstract: 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: Grant
    Filed: December 27, 2013
    Date of Patent: November 12, 2019
    Assignee: ALERIS ROLLED PRODUCTS GERMANY GMBH
    Inventors: Rinze Benedictus, Christian Joachim Keidel, Alfred Ludwig Heinz, Nedia Telioui
  • Patent number: 10458009
    Abstract: 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: Grant
    Filed: May 15, 2013
    Date of Patent: October 29, 2019
    Assignee: CONSTELLIUM EXTRUSIONS DECIN S.R.O.
    Inventors: Ravi Shahani, Lukasz Dolega, Ivo Kolarik
  • Patent number: 10450636
    Abstract: 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: Grant
    Filed: July 9, 2014
    Date of Patent: October 22, 2019
    Assignee: United Technologies Corporation
    Inventors: Thomas J. Watson, Iuliana Cernatescu
  • Patent number: 10450640
    Abstract: 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: Grant
    Filed: August 8, 2013
    Date of Patent: October 22, 2019
    Assignee: 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: 10435774
    Abstract: 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: Grant
    Filed: September 15, 2014
    Date of Patent: October 8, 2019
    Assignee: ARCONIC INC.
    Inventors: Cagatay Yanar, Roberto J. Rioja, Jen C. Lin, Ralph R. Sawtell
  • Patent number: 10408202
    Abstract: 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: Grant
    Filed: February 26, 2016
    Date of Patent: September 10, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventor: Hee Sam Kang
  • Patent number: 10384262
    Abstract: 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: Grant
    Filed: April 13, 2015
    Date of Patent: August 20, 2019
    Assignee: TOHOKU UNIVERSITY
    Inventors: Masayuki Itamura, Kouichi Anzai
  • Patent number: 10367204
    Abstract: 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: Grant
    Filed: December 12, 2011
    Date of Patent: July 30, 2019
    Assignees: UACJ Corporation, UACJ Foil Corporation
    Inventors: Masakazu Seki, Satoshi Suzuki, Tomohiko Furutani, Kenji Yamamoto, Koichi Ashizawa