Patents Examined by Roy King
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Patent number: 9255315Abstract: Aluminum alloy plate having improved resistance against incoming kinetic energy projectiles, the plate having a gauge of 10 mm or more and the aluminum alloy having a chemical composition including, in weight percent: Mg 4.0 to 6.0, Mn 0.2 to 1.4, Zn 0.9 max., Zr<0.3, Cr<0.3, Sc?0.5, Ti?0.3, Fe<0.5, Si<0.45, Ag<0.4, Cu<0.25, other elements and unavoidable impurities each <0.05, total <0.20, balance aluminum, and wherein the alloy plate is obtained by a manufacturing process including casting, preheating and/or homogenization, hot rolling, a first cold working operation, an annealing treatment at a temperature of less than 350° C., followed by a second cold working operation.Type: GrantFiled: May 5, 2014Date of Patent: February 9, 2016Assignee: ALERIS ALUMINUM KOBLENZ GMBHInventors: Ingo Günther Kröpfl, Claus Jürgen Moritz, Stefan Moldenhauer
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Patent number: 9255313Abstract: A steel sheet for forming having low-temperature heat treatment property, in which heat treatment is performed within a range of lower temperature than a conventional steel sheet in the event of hot press forming or post-heat treatment after cold forming, a method of manufacturing the same, and a method of manufacturing parts using the same. The steel sheet has a composition of, by weight, carbon (C): 0.15 to 0.35%, silicon (Si): 0.5% or less, manganese (Mn): 1.5 to 2.2%, phosphorus (P): 0.025% or less, sulfur (S): 0.01% or less, aluminum (Al): 0.01 to 0.05%, nitrogen (N): 50 to 200 ppm, titanium (Ti): 0.005 to 0.05%, tungsten (W): 0.005 to 0.1%, and boron (B): 1 to 50 ppm, wherein Ti/N: less than 3.4, where Ti/N is the atomic ratio of the corresponding elements, Ceq expressed by the following formula ranges from 0.48 to 0.58, and temperature Ar3 ranges from 670° C. to 725° C. Wherein Ceq C+Si/24+Mn/6+Ni/40+Cr/5+V/14 where C, Si, Mn, Ni, Cr and V indicate the contents (wt %) of the respective elements.Type: GrantFiled: July 31, 2008Date of Patent: February 9, 2016Assignee: POSCOInventors: Yeol Rae Cho, Jin Keun Oh, Sung Ho Park
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Patent number: 9255309Abstract: In various embodiments, metallic products are formed by alloying niobium with at least one of yttrium, aluminum, hafnium, titanium, zirconium, thorium, lanthanum, or cerium and processing the alloy.Type: GrantFiled: May 3, 2012Date of Patent: February 9, 2016Assignee: H.C. Starck, Inc.Inventor: Paul R. Aimone
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Patent number: 9248526Abstract: A method for manufacturing a welding material includes: a compound preparing step in which a compound is prepared by mixing alloy powder containing first alloy powder having a first average particle size and second alloy powder having a second average particle size, a water soluble binder and water; a drying step; an extruding step; a degreasing step in which the extruded formed body is heated to a predetermined temperature of 400° C. or above; a C—O reaction step in which the extruded formed body is heated to a predetermined temperature which falls within a range of 950° C. to 1150° C. under a vacuum atmosphere; and a sintering step in which the extruded formed body is heated to a predetermined temperature which falls within a range of 1200° C. to 1350° C. under a nitrogen gas atmosphere thus forming a welding material.Type: GrantFiled: September 27, 2011Date of Patent: February 2, 2016Assignee: KSA CO., LTD.Inventor: Kenichi Shimodaira
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Patent number: 9249475Abstract: A ferritic stainless steel suited for use as a member for heat exchangers to be brazed with Ni-based filler metal or Cu-based filler metal, comprising, on the basis of mass percent, C: 0.03% or less, Si: 3% or less, Mn: 2% or less, P: 0.05% or less, S: 0.03% or less, Cr: from 11 to 30%, Nb: from 0.15 to 0.8%, and N: 0.03% or less, wherein the balance is composed of Fe and incidental impurities, and wherein a value A determined by the following equation is 0.10 or greater: A=Nb?(C×92.9/12+N×92.9/14).Type: GrantFiled: May 11, 2009Date of Patent: February 2, 2016Assignee: NISSHIN STEEL CO., LTD.Inventors: Akinori Kawano, Taichirou Mizoguchi, Kouki Tomimura, Wakahiro Harada
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Patent number: 9249484Abstract: New 7xxx aluminum alloy bodies and methods of producing the same are disclosed. The new 7xxx aluminum alloy bodies may be produced by preparing the aluminum alloy body for post-solutionizing cold work, cold working by at least 25%, and then thermally treating. The new 7xxx aluminum alloy bodies may realize improved strength and other properties.Type: GrantFiled: September 8, 2011Date of Patent: February 2, 2016Assignee: ALCOA INC.Inventors: Rajeev G. Kamat, John M. Newman, Ralph R. Sawtell, Jen C. Lin
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Patent number: 9248500Abstract: A method for protecting powder metallurgy alloy elements from oxidation and/or hydrolyzation during sintering. The method includes (1) coating the admixed alloy elements in an inert (e.g., nitrogen) atmosphere with a hydrophobic lubricant that is capable of becoming mobile during pressing, the amount of lubricant being at least 45% of the total volume of all components to be added to the base metal powder; (2) mixing the lubricant-coated admixed alloy elements with the base metal powder to form a mixture; (3) pressing the mixture to form a pre-sintered part having a green density that is from about 95% to about 98% of a calculated pore-free density; and (4) sintering the part.Type: GrantFiled: August 4, 2009Date of Patent: February 2, 2016Assignee: APEX ADVANCED TECHNOLOGIES, LLCInventors: Dennis L. Hammond, Richard Phillips
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Patent number: 9250018Abstract: A grate-kiln pelletizing furnace includes a grate that conveys pelletized material to a rotary kiln, a cooler that cools pelletized material from the rotary kiln, and a gas flow apparatus that directs a stream of gas from the cooler to the rotary kiln to provide preheated process air for pelletized material in the rotary kiln. The gas flow apparatus also directs a stream of gas from the grate to the rotary kiln to vitiate the preheated process air.Type: GrantFiled: March 26, 2010Date of Patent: February 2, 2016Assignee: Fives North American Combustion, Inc.Inventor: Bruce E. Cain
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Patent number: 9243309Abstract: Disclosed are a Ti alloy having an excellent hydrogen absorption inhibition effect, a Ti alloy member using the Ti alloy, and a manufacturing thereof. A Ti alloy is characterized in that it contains 0.1 to 5.0% by mass in total of at least one of Zr and Hf, and a residue comprising Ti and impurities.Type: GrantFiled: April 7, 2006Date of Patent: January 26, 2016Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Takashi Maeda, Masanori Takahashi, Masaaki Mizuguchi
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Patent number: 9242678Abstract: In a car body or component thereof with at least one first component of sheet metal of a first aluminum alloy and at least one second component of sheet metal of a second aluminum alloy, the first and second aluminum alloys are of type AlMgSi and in the sheet metal of the second aluminum alloy a substantial part of the elements Mg and Si, which are required to achieve artificial ageing in solid solution, is present in the form of separate Mg2Si and/or Si particles in order to avoid artificial ageing. By reduction of the hardening capacity of the second component during artificial ageing of the body as part of the paint baking cycle, the car body has an improved impact protection for pedestrians in comparison with solutions according to the prior art.Type: GrantFiled: September 16, 2013Date of Patent: January 26, 2016Assignee: Novelis Inc.Inventors: Corrado Bassi, Juergen Timm
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Patent number: 9234264Abstract: A method of producing a hydrogen storage material including the steps of: forming a magnesium-nickel melt having up to 50 wt % nickel; adding up to 2 wt % of a refining element to the melt under a non-oxidizing atmosphere, the refining element having an atomic radius within the range of 1-1.65 times the atomic radius of magnesium, such as at least one element selected from the group consisting of Zr, Na, K, Ba, Ca, Sr, La, Y, Yb, Rb and Cs; and solidifying the melt to produce the hydrogen storage material.Type: GrantFiled: December 2, 2005Date of Patent: January 12, 2016Assignee: HYDREXIA PTY LIMITEDInventors: Arne Kristian Dahle, Kazuhiro Nogita
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Patent number: 9228244Abstract: A high strength hot dipped galvanized steel sheet is provided. By controlling the amount of addition of Ti instead of the addition of Nb or B, it is possible to obtain an effect of retarding recrystallization and grain growth even if annealing by a continuous annealing process in a temperature range of the general annealing temperature of 720° C. to a temperature of the lower of 800° C. or Ac3 temperature. By controlling the rolling and heat treatment conditions, it is possible to control the ferrite phase rate, grain size of the low temperature transformed phases, ratio of average values of the nano hardnesses of the ferrite phase and low temperature transformed phases, and fluctuations of hardnesses of the low temperature transformed phases in a composite structure steel of ferrite and low temperature transformed phases and obtain a high strength hot dipped galvanized steel sheet.Type: GrantFiled: March 31, 2011Date of Patent: January 5, 2016Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kengo Takeda, Kazuhisa Kusumi, Haruhiko Eguchi, Jun Hirowatari, Shintarou Fujii
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Patent number: 9222160Abstract: A coil material capable of contributing to an improvement of the productivity of a high-strength magnesium alloy sheet and a method for manufacturing the coil material are provided. Regarding the method for manufacturing a coil material through coiling of a sheet material formed from a metal into the shape of a cylinder, so as to produce the coil material, the sheet material is a cast material of a magnesium alloy discharged from a continuous casting machine and the thickness t (mm) thereof is 7 mm or less. The sheet material 1 is coiled with a coiler while the temperature T (° C.) of the sheet material 1 just before coiling is controlled to be a temperature at which the surface strain ((t/R)×100) represented by the thickness t and the bending radius R (mm) of the sheet material 1 becomes less than or equal to the elongation at room temperature of the sheet material 1.Type: GrantFiled: March 22, 2011Date of Patent: December 29, 2015Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Masatada Numano, Michimasa Miyanaga, Takeshi Uchihara, Yukihiro Oishi, Nozomu Kawabe
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Patent number: 9222154Abstract: A casting of a white cast iron alloy which includes the following alloy composition, in weight %: chromium: 12-25%; carbon: 1.5-6%; manganese: 2-7%; silicon: up to 1.5%; molybdenum: up to 2; nickel: up to 4%; microalloying elements selected from the group of titanium, zirconium, niobium, boron, vanadium, and tungsten: up to 2% of each of one or more of the elements; and iron: balance. The microstructure of the casting has 15-60 vol % eutectic carbides and primary carbides dispersed in a ferrous matrix of martensite and is at least substantially free of pearlite.Type: GrantFiled: May 21, 2004Date of Patent: December 29, 2015Assignee: Weir Minerals Australia Ltd.Inventor: Kevin Francis Dolman
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Patent number: 9222164Abstract: In one embodiment, a method for forming an article with a diffusion portion comprises: forming a slurry comprising chromium and silicon, applying the slurry to the article, and heating the article to a sufficient temperature and for a sufficient period of time to diffuse chromium and silicon into the article and form a diffusion portion comprising silicon and a microstructure comprising ?-chromium. In one embodiment, a gas turbine component comprises: a superalloy and a diffusion portion having a depth of less than or equal to 60 ?m measured from the superalloy surface into the gas turbine component. The diffusion portion has a diffusion surface having a microstructure comprising greater than or equal to 40% by volume ?-chromium.Type: GrantFiled: September 6, 2011Date of Patent: December 29, 2015Assignee: General Electric CompanyInventors: David Andrew Helmick, Dennis William Cavanaugh, Ganjiang Feng, David Vincent Bucci
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Patent number: 9222161Abstract: The magnesium alloy sheet disclosed herein has dispersed therein particles of an intermetallic compound containing an additive element (e.g., Al) and Mg (a typical example of which is Mg17Al12), and the ratio obtained by dividing the diffraction intensity of the main diffraction plane (4,1,1) of the intermetallic compound by the diffraction intensity of the c plane (0,0,2) of the Mg alloy phase in an XRD analysis of the surface of the sheet is 0.040 or more. The method includes: a casting step of producing a cast material composed of a magnesium alloy containing an additive element by continuous casting; a heat treatment step of holding the cast material at 400° C. or higher and then cooling the cast material at a cooling rate of 30° C/min or less to produce a heat-treated material; and a rolling step of subjecting the heat-treated material to warm rolling to produce a rolled sheet.Type: GrantFiled: November 8, 2011Date of Patent: December 29, 2015Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Ryuichi Inoue, Kohji Inokuchi, Yukihiro Oishi, Nozomu Kawabe
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Patent number: 9221131Abstract: An alloy suitable for use in a wave solder process, reflow soldering process, hot air levelling process or a ball grid array, the alloy comprising from 0.08-3 wt. % bismuth, from 0.15-1.5 wt. % copper, from 0.1-1.5 wt. % silver, from 0-0.1 wt. % phosphorus, from 0-0.1 wt. % germanium, from 0-0.1 wt. % gallium, from 0-0.3 wt. % one or more rare earth elements, from 0-0.3 wt. % indium, from 0-0.3 wt. % magnesium, from 0-0.3 wt. % calcium, from 0-0.3 wt. % silicon, from 0-0.3 wt. % aluminum, from 0-0.3 wt. % zinc, and at least one of the following elements from 0.02-0.3 wt % nickel, from 0.008-0.2 wt % manganese, from 0.01-0.3 wt % cobalt, from 0.01-0.3 wt % chromium, from 0.02-0.3 wt % iron, and from 0.008-0.1 wt % zirconium, and the balance tin, together with unavoidable impurities.Type: GrantFiled: December 1, 2005Date of Patent: December 29, 2015Assignee: Alpha Metals, Inc.Inventors: Anthony E. Ingham, Gerard Campbell, Brian G. Lewis, Bawa Singh, John P. Laughlin, Ranjit Pandher
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Patent number: 9217190Abstract: An improved sterling silver alloy. Like all sterlings, the improved alloy is at least 92.5 percent silver by weight. It has less copper than traditional sterlings: 3.0 percent versus the traditional 7.5 percent. Additionally, the improved alloy includes about 2.75 percent palladium, about 1.0 percent tin, and about 0.75 percent zinc, all by weight. A grain refiner, such as ruthenium, may also be provided. The components of the preferred alloy are melted, degassed, remelted, and then formed into casting grains, wire, and etc. The resulting alloy is significantly harder, as cast, than traditional sterlings: 95-120 Vickers versus 65 Vickers for traditional sterlings. The improved alloy also exhibits improved corrosion resistance. Other than a slightly higher (<200° F.) liquidus temperature, the improved alloy may be worked in substantially the same manner as traditional sterlings. Pieces cast from the improved alloy may be age hardened to about 160 Vickers, if desired.Type: GrantFiled: September 1, 2011Date of Patent: December 22, 2015Assignee: Stuller, Inc.Inventor: John Robert Butler
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Patent number: 9214251Abstract: An aluminum alloy conductor, containing: 0.01 to 0.4 mass % of Fe, 0.1 to 0.3 mass % of Mg, 0.04 to 0.3 mass % of Si, 0.1 to 0.5 mass % of Cu, and 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and inevitable impurities, wherein the conductor contains three kinds of intermetallic compounds A, B, and C, in which the intermetallic compounds A, B, and C have a particle size of 0.1 ?m or more but 2 ?m or less, 0.03 ?m or more but less than 0.1 ?m, and 0.001 ?m or more but less than 0.03 ?m, respectively, and area ratios a, b, and c of the intermetallic compounds A, B, and C, in an arbitrary region in the conductor, satisfy: 0.1%?a?2.5%, 0.1%?b?3%, and 1%?c?10%.Type: GrantFiled: August 24, 2012Date of Patent: December 15, 2015Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Shigeki Sekiya, Kuniteru Mihara, Kyota Susai
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Patent number: 9205178Abstract: A Ti—Ni—Nb alloy device is provided which is a shape memory device excellent in response characteristics. The Ti—Ni—Nb alloy device is made of a Ti—Ni—Nb alloy which finishes transformation at a temperature lower than 10° C. after start of reverse transformation.Type: GrantFiled: May 23, 2006Date of Patent: December 8, 2015Assignees: NEC TOKIN CORPORATION, TOHOKU UNIVERSITYInventors: Michihide Ozawa, Kiyoshi Yamauchi, Yuji Sutou, Takamitsu Takagi, Shuzou Yamashita, Kouji Mori