Patents Examined by Veronica F. Faison
  • Patent number: 10655197
    Abstract: A method for determining the ferrite phase fraction xa after heating or when cooling a steel strip (2) in a metallurgic system. Also, a device for carrying out the method.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: May 19, 2020
    Assignee: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
    Inventors: Rainer Burger, Robert Linsbod, Bernd Linzer, Josef Mikota, Axel Rimnac
  • Patent number: 10655192
    Abstract: A hot-rolled steel sheet including predetermined components, in which the amounts of Cr and Al added satisfy Expression (1) below, a metallographic structure has, by % by volume, a ferrite fraction of more than 90% and 98% or less, a martensite fraction of 2% to less than 10%, and, a fraction of a residual structure made of one or more of pearlite, bainite, and residual austenite being less than 1%, the ferrite has an average circle-equivalent diameter of 4 ?m or more and a maximum circle-equivalent diameter of 30 ?m or less, and the martensite has an average circle-equivalent diameter of 10 ?m or less and a maximum circle-equivalent diameter of 20 ?m or less. [Cr]×5+[Al]?0.50??Expression (1) Here, in Expression (1), [Cr] represents an amount of Cr (mass %), and [Al] represents an amount of Al (mass %).
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 19, 2020
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Akifumi Sakakibara, Kazuya Ootsuka, Takehiro Hoshino, Teruki Hayashida, Daisuke Maeda
  • Patent number: 10654137
    Abstract: The present invention relates to a component of a turbomachine with a repair layer and a method for repairing wear-damaged components (1, 10) of a turbomachine, in particular of elements of a flow duct boundary, having the following method steps: preparing the area to be repaired, in order to provide a smooth and clean surface (4), applying an Ni-based braze (7) with a proportion of hard material particles (8) to the surface (4) to form a repair layer (15), wherein the hard material particles comprise hard alloys based on cobalt or nickel, heat treating the component to braze the repair layer onto the component under vacuum conditions.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 19, 2020
    Assignee: MTU AERO ENGINES AG
    Inventors: Bernd Daniels, Michael Hillen, André Werner
  • Patent number: 10639719
    Abstract: In one embodiment, a method of manufacturing a metal part using a laser or electron beam during a powder bed additive manufacturing process includes melting each of a number of layers of metal powder of the metal part with an effective amount of energy using the laser or electron beam to form the metal part such that at least one or more portions of the metal part have a critical amount of residual strain. The method also includes performing a heat treatment on the metal part that transforms the residual strain into substantially distributed coincidence site lattice (CSL) grain boundaries, low angle grain boundaries, or both in the metal part.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 5, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xiaoyuan Lou, Evan Jarrett Dolley, Martin Matthew Morra
  • Patent number: 10604823
    Abstract: A forged titanium alloy material having a duplex grain structure composed of flat grains and non-flat grains, wherein the flat grains are crystal grains of prior-? grains each having an aspect ratio of more than 3 and the non-flat grains are crystal grains of prior-? grains each having an aspect ratio of 1 to 3 inclusive. The forged titanium alloy material is characterized in that the average equivalent circle diameter of the non-flat grains is 100 ?m or less, flat grains each having a thicknesswise diameter of 20 to 500 ?m are contained in an amount of 40 to 98%, non-flat grains each having a thicknesswise diameter of 10 to 150 ?m are contained in an amount of 2 to 50%, and the flat grains each having the above-mentioned thicknesswise diameter and the non-flat grains each having the above-mentioned thicknesswise diameter are contained in the total amount of 90% or more.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: March 31, 2020
    Assignee: KOBE STEEL, LTD.
    Inventors: Yoshinori Ito, Shogo Murakami, Keiji Kinoshita
  • Patent number: 10590500
    Abstract: The invention relates to an apparatus and to a method for the press hardening of components (2), having at least one furnace (3), having a press (8), which is arranged downstream of the at least one furnace (3), and having a transporting apparatus (4). In order to provide for cycle times which are as short as possible, means (5) for transporting the components (2) are mounted in a moveable manner in the transporting apparatus (4), wherein the means (5) with the components (2) can be moved, along the transporting apparatus (4), through the furnace (3) and into the press (8), wherein the transporting apparatus (4) is continuous between the furnace (3) and the press (8), and wherein the components (2) can be transported from the furnace (3) to the press (8) without being manipulated.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: March 17, 2020
    Assignee: N. Bättenhausen Industrielle Wärme- und Elektrotechnik GmbH
    Inventors: Norbert Baettenhausen, Walter Hoegler
  • Patent number: 10570473
    Abstract: Provided is a high-strength cold-rolled steel sheet having excellent ductility and stretch-flangeability as well as weldability in a range in which a tensile strength is 980 MPa or higher and a 0.2% yield strength is less than 700 MPa (preferably 500 MPa or higher). In the high-strength cold-rolled steel sheet of the present invention, the chemical composition is adjusted as appropriate, and the area ratio of below-mentioned metal structures at a position of ¼ sheet thickness in the steel sheet satisfies following requirements: tempered martensite: 10 area % to less than 30 area %, bainite: more than 70 area %, total of tempered martensite and bainite: 90 area % or more, ferrite: 0 area % to 5 area %, and retained austenite: 0 area % to 4 area %. The high-strength cold-rolled steel sheet has excellent ductility, stretch-flangeability, and weldability, and has a tensile strength of 980 MPa or higher and a 0.2% yield strength of less than 700 MPa.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: February 25, 2020
    Assignee: Kobe Steel, Ltd.
    Inventors: Michitaka Tsunezawa, Michiharu Nakaya
  • Patent number: 10570301
    Abstract: Provided herein is an inkjet ink composition comprising an ink solvent, a binder, an additive, and a colorant comprising superparamagnetic or/and paramagnetic surface-modified iron oxide or/and iron hydroxide nanoparticles, wherein the nanoparticles are coated with a layer of silica-based coating or/and a layer of functional polymer. The superparamagnetic property of the nanoparticles ensures no magnetic attraction between the nanoparticles at room temperature, and good dispersion stability in the inkjet ink composition. The inkjet ink composition disclosed herein has excellent printing stability in terms of no flocculation and clogging of nozzle during inkjet printing and shows comparable printing stability with non-pigment ink. Printing on nonporous substrates with the inkjet ink composition disclosed herein has excellent transfer resistance. The inkjet ink composition disclosed herein allows color tuning of the ink through controlling the crystal structures of the nanoparticles.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: February 25, 2020
    Assignee: INNER MONGOLIA XIANHONG SCIENCE CO., LTD.
    Inventors: Pei Li, Kin Man Ho, Chun Ho Yam, Siu Sun Chan, Kwai Sang Ng
  • Patent number: 10570489
    Abstract: A first method is disclosed for forming a tubular reinforcement that comprises the steps of: providing a 7xxx aluminum tube, heating tube to at least 450° C. and water quenching the tube in less than or equal to 20 seconds after heating. All of the forming processes on the tube are then completed from within 1 to 8 hours of quenching. A second method for forming a tubular reinforcement is disclosed that comprises the steps of providing a 7xxx-O temper aluminum tube and forming the tube into a predetermined shape. The tube in then heated the tube to at least 450° C. and quenched the tube with water or air in a hydroforming die just prior to or while hydroforming the tube.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: February 25, 2020
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: S. George Luckey, Jr., Andrey M. Ilinich, Nia R. Harrison, Michael William Danyo
  • Patent number: 10557183
    Abstract: A method of manufacturing yield ratio-controlled steel, including the steps of subjecting alloy steel to rolling or wire drawing, thus obtaining a bar material; performing a first heat treatment, in which the material is heated and maintained for a predetermined period of time at a first temperature ranging from Ac1 to Ac3 based on Ac1 and Ac3 transformation temperatures; and cooling the material to a second temperature ranging from Mf to Ms based on a martensite start temperature (Ms) and a martensite finish temperature (Mf), and performing a second heat treatment, in which the material is maintained at the second temperature for a predetermined period of time.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: February 11, 2020
    Assignee: KOREA INSTITUTE OF MACHINERY AND MATERIALS
    Inventors: Youngseon Lee, Chang Gil Lee
  • Patent number: 10544495
    Abstract: A casting mold material of the present invention includes, as a composition: 0.3 mass % to less than 0.5 mass % of Cr, 0.01 mass % to 0.15 mass % of Zr, and a balance consisting of Cu and inevitable impurities, and the casting mold material has acicular precipitates or plate-like precipitates containing Cr.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 28, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Shoichiro Yano, Toshio Sakamoto
  • Patent number: 10538821
    Abstract: A heat treatment apparatus that thermally treats an annular workpiece formed of a steel material by inductively heating the workpiece includes a treatment tank in which the workpiece is set and thermally treated, a holding portion that holds the workpiece at a predetermined position, an induction heating coil that surrounds the workpiece to inductively heat the workpiece, and a cooling medium that cools surfaces of the workpiece during the induction heating of the workpiece.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: January 21, 2020
    Assignee: JTEKT CORPORATION
    Inventors: Wataru Yoshida, Towako Matsui, Katsuhiko Kizawa, Takashi Sada, Tsuyoshi Mikami
  • Patent number: 10519331
    Abstract: Provided is an ink containing water, a plurality of organic solvents, a color material, and resin particles, wherein the plurality of organic solvents contain at least one compound having a hydrogen bond term ?H, which is a Hansen solubility parameter, of 4.1 MPa1/2 or higher but 9.5 MPa1/2 or lower and a boiling point of 170° C. or higher and at least one diol compound containing 3 or 4 carbon atoms.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: December 31, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Masahiro Kido, Hidefumi Nagashima, Juichi Furukawa, Yuta Nakamura
  • Patent number: 10513760
    Abstract: Provided is a method for producing a magnetic material. The method includes preparing magnetic metal particles containing at least one magnetic metal selected from a first group consisting of Fe, Co and Ni, and at least one non-magnetic metal selected from a second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, Ba, Sr, Cr, Mo, Ag, Ga, Sc, V, Y, Nb, Pb, Cu, In, Sn and rare earth elements, pulverizing and reaggregating the magnetic metal particles, and thereby forming composite particles containing a magnetic metal phase and an interstitial phase, and heat-treating the composite particles at a temperature of from 50° C. to 800° C. The particle size distribution of the magnetic metal particles in the preparing magnetic metal particles has two or more peaks.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: December 24, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomohiro Suetsuna, Koichi Harada, Tomoko Eguchi, Toshihide Takahashi, Seiichi Suenaga
  • Patent number: 10501831
    Abstract: The invention relates to a microstructure of an alloy for a tube for reformers, having an austenitic matrix structure, characterised in that: i) primary micrometric precipitates in the form of M23C6-type carbides, where M=Fe, Ni or Cr, and/or M(C,N)-type carbides, where M==Nb or Ti, are formed during the solidification of the alloy; ii) secondary nanometric precipitates in the form of M23C6-type carbides, where M=Fe, Ni or Cr and/or M(C,N)-type carbides, where M==Nb or Ti, are formed during the activation of the tube; and iii) between 0.1 and 0.3% of Ni16Si7Nb6-type intermetallic precipitates is formed during the use of the tube.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: December 10, 2019
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Anna Fraczkiewicz, Karolina Maminska, Pascal Del-Gallo, Jader Furtado, Daniel Gary
  • Patent number: 10494706
    Abstract: A high-toughness low-alloy wear-resistant steel sheet and a method of manufacturing the same, which has the chemical compositions (wt %): C: 0.08-0.20%; Si: 0.10-0.60%; Mn: 1.00-2.00%; B: 0.0005-0.0040%; Cr: less than or equal to 1.50%; Mo: less than or equal to 0.80%; Ni: less than or equal to 1.50%; Nb: less than or equal to 0.080%; V: less than or equal to 0.080%; Ti: less than or equal to 0.060%; Al: 0.010-0.080%, Ca: 0.0010-0.0080%, N: less than or equal to 0.0080%, O: less than or equal to 0.0080%, H: less than or equal to 0.0004%, P: less than or equal to 0.015%, S: less than or equal to 0.010%, and (Cr/5+Mn/6+50B): more than or equal to 0.20% and less than or equal to 0.55%; (Mo/3+Ni/5+2Nb): more than or equal to 0.02% and less than or equal to 0.45%; (Al+Ti): more than or equal to 0.01% and less than or equal to 0.13%, the remainders being Fe and unavoidable impurities.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: December 3, 2019
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Hongbin Li, Liandeng Yao, Yuchuan Miao, Kougen Wu
  • Patent number: 10472696
    Abstract: A method for producing a hardened sheet steel, in particular a sheet steel that is coated with a metallic anti-corrosion layer; the sheet steel is first heated to an austenitization temperature and the austenite transformation is completed and then the sheet steel is pre-cooled to a temperature that lies above the transformation temperature of the austenite to other phases and is then transferred to a press-hardening die and in the press-hardening die, is shaped and, for hardening purposes, is quenched; for pre-cooling purposes, the blank is blasted in at least some areas or zones with dry ice, dry snow, or a gas flow containing dry ice particles.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 12, 2019
    Assignee: voestalpine Stahl GmbH
    Inventors: Christoph Wagner, Siegfried Kolnberger
  • Patent number: 10465267
    Abstract: Disclosed herein are embodiments of hardfacing alloys which can be resistant to hot tearing and cracking. In doing so, the hardfacing alloys can meet certain thermodynamic, microstructural, and performance criteria. For example, embodiments of the alloy have a martensitic matrix embedded with isolated carbides and/or borides. Further, in some embodiments the hardfacing alloys can also have high levels of macro-hardness.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: November 5, 2019
    Assignee: Scoperta, Inc.
    Inventors: Justin Lee Cheney, John Hamilton Madok, Jonathon Bracci
  • Patent number: 10435574
    Abstract: A thermal ink jet ink composition include a volatile organic solvent, a binder resin, a dye, a humectant in an amount from 1% to 40% by weight of the ink composition, and an additive for extending the decap time. The additive is present in an amount greater than 0.1% by weight of the thermal ink jet ink composition. The additive is selected from fluorinated surfactants, ionic surfactants, and nonionic surfactants.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: October 8, 2019
    Assignee: VIDEOJET TECHNOLOGIES INC.
    Inventors: Anthony Selmeczy, Kyle Harvey, Casey Robertson, Linfang Zhu
  • Patent number: 10435575
    Abstract: Provided is an ink containing water, a plurality of organic solvents, a color material, and resin particles, wherein the plurality of organic solvents contain at least one compound having a hydrogen bond term ?H, which is a Hansen solubility parameter, of 4.1 MPa1/2 or higher but 9.5 MPa1/2 or lower and a boiling point of 170° C. or higher and at least one diol compound containing 3 or 4 carbon atoms.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 8, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Masahiro Kido, Hidefumi Nagashima, Juichi Furukawa, Yuta Nakamura