Patents Examined by Alexander Polyansky
  • Copper alloy sheet and method of manufacturing copper alloy sheet
    Patent number: 9080227
    Abstract: A copper alloy sheet according to one aspect contains 28.0 mass % to 35.0 mass % of Zn, 0.15 mass % to 0.75 mass % of Sn, 0.005 mass % to 0.05 mass % of P, and a balance consisting of Cu and unavoidable impurities, in which relationships of 44?[Zn]+20×[Sn]?37 and 32?[Zn]+9×([Sn]?0.25)1/2?37 are satisfied. The copper alloy sheet according to the aspect is manufactured by a manufacturing process including a finish cold-rolling process of cold-rolling a copper alloy material, an average grain size of the copper alloy material is 2.0 ?m to 7.0 ?m, and a sum of an area ratio of a ? phase and an area ratio of a ? phase in a metallographic structure of the copper alloy material is 0% to 0.9%.
    Type: Grant
    Filed: September 19, 2012
    Date of Patent: July 14, 2015
    Assignees: Mitsubishi Shindoh Co., Ltd., MITSUBISHI MATERIALS CORPORATION
    Inventors: Keiichiro Oishi, Takashi Hokazono, Michio Takasaki, Yosuke Nakasato
  • Surgical orthopedic implants made from wear-resistant cobalt—chromium—molybdenum alloys
    Patent number: 9078753
    Abstract: A surgical implant component comprising an implant component body manufactured from an alloy comprising from about 23 to about 33 wt % Cr, from about 8 to about 20 wt % Mo, from about 0.05 to about 1.5 wt % Si, from about 0.35 to about 3.5 wt % C, from about 40 to about 60 wt % Co, and incidental impurities. The implant component alloy has an atomic % ratio of (Cr+Mo+Nb)/Co of at least 0.59, a matrix metallurgical microstructure comprising between about 45% and about 85% by volume face-centered cubic structure, and between about 15% and about 55% by volume hexagonal close-packed structure; and a Rockwell C hardness of greater than 35. A method for manufacturing a surgical implant component body for a surgical implant by a manufacturing method selected from the group consisting of casting, forging, and powder metallurgy pressing-plus-sintering from an alloy.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: July 14, 2015
    Assignee: KENNAMETAL INC.
    Inventors: Matthew Yao, Rachel Collier, Danie DeWet
  • Method and device for hardening profiles
    Patent number: 9080222
    Abstract: The invention relates to a method for producing hardened profiles, in particular hardened open profiles, wherein the component is at least partly heated to above the austenitizing temperature of the base material and after heating the component is cooled at a rate above the critical hardening rate, the energy necessary for the heating being introduced at least partly by induction, wherein free edges are provided in the component to adjust a temperature or hardness gradient over the cross section of the component, the size, type and extension of the edges being set for a desired degree of hardness and/or hardness gradient.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: July 14, 2015
    Assignee: VOESTALPINE KREMS GMBH
    Inventors: Gerhard Lengauer, Andreas Schieder, Alfred Habacht, Wolfgang Buhl, Franz Weitz, Andreas Kreuzhuber, Bernhard Lagler, Werner Brandstätter
  • Method for producing carbonitrided member
    Patent number: 9062364
    Abstract: A method for producing a carbonitrided member comprising the steps of carburizing a steel part having a composition of, by mass percent, C: 0.10 to 0.35%, Si: 0.15 to 1.0%, Mn: 0.30 to 1.0%, Cr: 0.40 to 2.0%, S: 0.05% or less with the balance being Fe and impurities in a carburizing atmosphere of 900 to 950° C. The carburized steel part is carbonitrided in a carbonitriding atmosphere with the temperature of 800 to 900° C. and the nitrogen potential of 0.2 to 0.6%. The carbonitrided steel part is qhenched and then shot peened. The shot peening treatment may be further performed while heating to a temperature not higher than 350° C. or immediately after heating to a temperature not higher than 350° C. After quenching, the shot peening treatment may be further performed after tempering in the temperature range exceeding 250° C. and not higher than 350° C.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: June 23, 2015
    Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, HONDA MOTOR CO., LTD.
    Inventors: Naoyuki Sano, Masayuki Horimoto, Yoshinari Okada, Masaki Amano, Akihito Ninomiya
  • Continuous reactor and method for manufacturing nanoparticles
    Patent number: 9050655
    Abstract: The present invention relates to a continuous reactor a method for manufacturing nanoparticles. The reactor of the present invention includes: a plurality of first inputs for individually inputting a plurality of reagents; a first mixing part connected to the first inputs to mix the reagents; N number of first reaction units, each comprising a plurality of first diverging channels and a first converging channel to form a channel having the first diverging channels and the first converging channels alternately connected to one another in series for N times of diverging-converging actions, wherein N?1, and the first diverging channels of a 1st one of the first reaction units are connected to the first mixing part; and a first output connected to the first converging channel of an Nth one of the first reaction units, so as to output a product of nanoparticles.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: June 9, 2015
    Assignee: National Tsing Hua University
    Inventors: Kan-Sen Chou, Yu-Chun Chang, Yi-Chu Chen, Yu-Chieh Lu
  • Weldable, crack-resistant co-based alloy, overlay method, and components
    Patent number: 9051631
    Abstract: A wear- and corrosion-resistant alloy, and related application method, where the alloy has by approximate weight %, C 0.12-0.7, Cr 20-30, Mo 7-15, Ni 1-4, and Co balance, wherein the alloy further contains one or more carbide-former elements from the group consisting of Ti, Zr, Hf, V, Nb, and Ta in a cumulative concentration to stoichiometrically offset between about 30% and about 90% of the C in the alloy.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: June 9, 2015
    Assignee: Kennametal Inc.
    Inventors: James B. C. Wu, Matthew X. Yao
  • Heat-resistant, ferritic cast steel having excellent melt flowability, gas defect resistance, toughness and machinability, and exhaust member made thereof
    Patent number: 9046029
    Abstract: A heat-resistant, ferritic cast steel having excellent melt flowability, gas defect resistance, toughness and machinability, which has a composition comprising by mass, C: 0.32-0.45%, Si: 0.85% or less, Mn: 0.15-2%, Ni: 1.5% or less, Cr: 16-23%, Nb: 3.2-4.5%, Nb/C: 9-11.5, N: 0.15% or less, S: (Nb/20?0.1) to 0.2%, W and/or Mo: 3.2% or less in total (W+Mo), the balance being Fe and inevitable impurities, and a structure in which the area ratio of a eutectic (?+NbC) phase of ? ferrite and Nb carbide (NbC) is 60-80%, and the area ratio of manganese chromium sulfide (MnCr)S is 0.2-1.2%, and an exhaust member made thereof.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: June 2, 2015
    Assignee: HITACHI METALS, LTD.
    Inventors: Masahide Kawabata, Hideo Kuribayashi, Junji Hayakawa
  • Preparation method of nanocrystalline titanium alloy at low strain
    Patent number: 9039849
    Abstract: Provided is a method of preparing a nanocrystalline titanium alloy at low strain to have better strength. The present invention is characterized in that an initial microstructure is induced as martensites having a fine layered structure, and then a nanocrystalline titanium alloy is prepared at low strain by optimizing process variables through observation of the effects of strain, strain rate, and deformation temperature on the changes in the microstructure.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: May 26, 2015
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Chan Hee Park, Chong Soo Lee, Sung Hyuk Park, Young Soo Chun
  • Copper alloy sheet, and method of producing copper alloy sheet
    Patent number: 9039964
    Abstract: Provided is one aspect of copper alloy sheet containing 4.5% by mass to 12.0% by mass of Zn, 0.40% by mass to 0.90% by mass of Sn, 0.01% by mass to 0.08% by mass of P, as well as 0.005% by mass to 0.08% by mass of Co and/or 0.03% by mass to 0.85% by mass of Ni, the remainder being Cu and unavoidable impurities. The copper alloy sheet satisfies a relationship of 11?[Zn]+7×[Sn]+15×[P]+12×[Co]+4.5×[Ni]?17. The one aspect of copper alloy sheet is produced by a production process including a finish cold rolling process at which a copper alloy material is cold-rolled. An average grain size of the copper alloy material is 2.0 ?m to 8.0 ?m, circular or elliptical precipitates are present in the copper alloy material, and an average particle size of the precipitates is 4.0 nm to 25.0 nm, or a percentage of precipitates having a particle size of 4.0 nm to 25.0 nm makes up 70% or more of the precipitates.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 26, 2015
    Assignees: Mitsubishi Shindoh Co., Ltd., MITSUBISHI MATERIALS CORPORATION
    Inventor: Keiichiro Oishi
  • Methods of producing nanoparticle reinforced metal matrix nanocomposites from master nanocomposites
    Patent number: 9023128
    Abstract: Methods of forming metal matrix nanocomposites are provided. The methods include the steps of introducing a master metal matrix nanocomposite into a molten metal at a temperature above the melting temperature of the master metal matrix nanocomposite, allowing at least a portion of the master metal matrix nanocomposite to mix with the molten metal and, then, solidifying the molten metal to provide a second metal matrix nanocomposite.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: May 5, 2015
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Xiaochun Li, Michael Peter De Cicco, Dake Wang, Hongseok Choi
  • Additive for treating resulphurized steel
    Patent number: 9023126
    Abstract: A cored wire for introducing additive into a bath of liquid steel, of the type comprising a metal sheath surrounding said additive, characterized in that said additive predominantly comprises calcium silicate. A process for manufacturing a resulfurized steel, characterized in that it comprises a step of introducing, into the bath of liquid steel, such a cored wire.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: May 5, 2015
    Assignee: Affival
    Inventors: André Poulalion, Sébastien Gerardin
  • Magnesium based-alloys for hydrogen storage
    Patent number: 9017603
    Abstract: Magnesium-based hydrogen storage alloys with addition of transition and rare earth elements were produced by conventional induction melting and by rapid solidification. The magnesium based-alloys of this invention posses reversible hydrogen storage capacities ranging from 3 to over 6 wt. %, and excellent performance on the hydrogen absorption and desorption kinetics.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: April 28, 2015
    Assignee: COPPE/UFRJ—Coordenacao dos Programmas de Pos Graduacao de Enganharla da Universidade Federal do Rio de Janeiro
    Inventors: Paulo Emílio Valadão De Miranda, Glória Isabel Duarte Poveda, Luiz Alberto da Cunha Bustamante
  • Microcrystalline alloy, method for production of the same, apparatus for production of the same, and method for production of casting of the same
    Patent number: 8992705
    Abstract: During a process of cooling a hypereutectic Al—Si alloy melt, ultrasonic vibration is applied to the melt to crystallize primary crystal ?-Al using, in combination, an ultrasonic transducer (8) that generates the ultrasonic vibration, an ultrasonic horn (7) that is connected to the ultrasonic transducer (8) and transmits the ultrasonic vibration in a specified direction, a treatment vessel (2) that holds the melt and is in contact with the ultrasonic horn (7), and a treatment vessel fixing device (3) that fixes the treatment vessel (2) by pressing the treatment vessel toward the ultrasonic horn (7).
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: March 31, 2015
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota School Foundation
    Inventors: Yuichi Furukawa, Yoshiki Tsunekawa
  • High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
    Patent number: 8986468
    Abstract: A cold rolled steel sheet satisfying on the basis of percent by mass the chemical composition of 0.06-0.6% C, 0.1-2% Si, 0.01-3% Al, 1-4% Si+Al, 1-6% Mn, Si/Mn?0.40, in which there exists 10 or more pieces/100 ?m2 of Mn—Si composite oxide having Mn—Si atom ratio (Mn/Si) of 0.5 or over and major axis of from 0.01 ?m to 5 ?m and also having a covering ratio of 10% or below at which the surface of the steel sheet is covered with oxide containing Si as the main component.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: March 24, 2015
    Assignee: Kobe Steel, Ltd.
    Inventors: Masaaki Miura, Shinji Kozuma, Yoichi Mukai, Yoshinobu Omiya
  • Method and device for producing a metal component
    Patent number: 8980020
    Abstract: The invention relates to a method for producing a metal structural component, in particular a vehicle structural component, in which a steel part is hot formed and is hardened at least over sections by contact with a tool surface, in which the steel part is during the hardening cooled in at least two partial regions at different cooling rates, so that the partial regions after the hardening differ in their microstructure, wherein the cooling rates differing from one another are produced by sections of the tool surface corresponding to the partial regions of the steel part, which differ from one another as regards their thermal conductivities. The invention also relates to a further method for producing a metal structural component, as well as a tool and a batch furnace.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: March 17, 2015
    Assignee: ThyssenKrupp Steel Europe AG
    Inventors: Sascha Sikora, Kai Schmitz, Axel Grüneklee
  • Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels
    Patent number: 8968495
    Abstract: A method of thermo-mechanically processing a preform composed of tool steel and a tool to modify a workpiece. The preform has a region containing austenite. The method comprises establishing the region at a process temperature between a martensitic start temperature and a stable austenitic temperature. While at the process temperature, the region is deformed to change an outer dimension and to modify the microstructure to a depth of 1 millimeter or more. The tool comprises a member composed of tool steel. The member includes a first region that extends from the outer surface to a depth of greater than 1 millimeter and a second region. The first region includes a plurality of grains having an average misorientation angle greater than about 34°, an average grain size that is at least 10% smaller than the second region, and has a different grain orientation than the second region.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: March 3, 2015
    Assignee: Dayton Progress Corporation
    Inventors: Christon L. Shepard, Shrinidhi Chandrasekharan, Ronald R. LaParre, David L. Turpin, Alan L. Shaffer
  • Nickel alloy
    Patent number: 8961646
    Abstract: There is provided a nickel alloy having an excellent creep strength as well as high-temperature oxidation resistance. The nickel alloy of the present invention comprises, by mass percent, Cr in a range of 11.5 to 11.9%, Co in a range of 25 to 29%, Mo in a range of 3.4 to 3.7%, W in a range of 1.9 to 2.1%, Ti in a range of 3.9 to 4.4%, Al in a range of 2.9 to 3.2%, C in a range of 0.02 to 0.03%, B in a range of 0.01 to 0.03%, Zr in a range of 0.04 to 0.06%, Ta in a range of 2.1 to 2.2%, Hf in a range of 0.3 to 0.4%, and Nb in a range of 0.5 to 0.8%, the balance being Ni and unavoidable impurities, and contains carbides and borides precipitating in crystal grains and at grain boundaries.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: February 24, 2015
    Assignees: Honda Motor Co., Ltd., National Institute for Materials Science
    Inventors: Yuefeng Gu, Tadaharu Yokokawa, Toshiharu Kobayashi, Toshio Osada, Junzo Fujioka, Hiroshi Harada, Daisuke Nagahama, Yusuke Kikuchi
  • Mold and facecoat compositions
    Patent number: 8932518
    Abstract: The disclosure relates generally to mold compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to mold compositions, intrinsic facecoat compositions, and methods for casting titanium-containing articles, and the titanium-containing articles so molded.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: January 13, 2015
    Assignee: General Electric Company
    Inventors: Bernard Patrick Bewlay, Stephen Bancheri, Michael Weimer, Joan McKiever, Brian Ellis
  • Post-combustion lance including an internal support assembly
    Patent number: 8926895
    Abstract: A post-combustion lance for directing a gas at least partially therethrough. The post-combustion lance includes a body extending between an upstream end and a downstream end of the lance, the body including upper and lower portions and a post-combustion distributor mounted therebetween. The lance also includes an internal support assembly for supporting the body, the internal support assembly including an internal tube positioned inside the body and at least partially engaged with the lower portion, and at least partially engaged with the upper portion of the body, so that the internal support assembly supports the body both upstream and downstream relative to the distributor. The lance also includes a lower o-ring gland positioned downstream relative to the internal support assembly and an upper o-ring gland positioned upstream relative to the lower o-ring gland.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: January 6, 2015
    Assignee: A.H. Tallman Bronze Company, Limited
    Inventors: Michael J. Strelbisky, Kerry J. Legeard, Goran Dimitrijevik
  • Copper alloy for sliding materials
    Patent number: 8906129
    Abstract: A copper alloy having excellent sliding performance is produced without relying on lead or molybdenum. The copper alloy contains a sintered Cu5FeS4 material produced by sintering a raw material powder that comprises Cu, Fe and S and is produced by a gas atomizing method.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: December 9, 2014
    Assignee: Kurimoto, Ltd.
    Inventors: Tomohiro Sato, Yoshimasa Hirai, Toru Maruyama, Takeshi Kobayashi