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| Number | Title | Issue Date |
| 7419528 | Method for fabricating a superalloy article without any melting A metallic article made of metallic constituent elements is fabricated from a mixture of nonmetallic precursor compounds of the metallic constituent elements. The mixture of nonmetallic precursor compounds contains more of a base-metal element, such as nickel, cobal... | 09/02/2008 |
| 7410610 | Method for producing a titanium metallic composition having titanium boride particles dispersed therein An article made of constituent elements is prepared by furnishing at least one nonmetallic precursor compound, wherein all of the nonmetallic precursor compounds collectively contain the constituent elements. The constituent elements include a titanium-base metallic... | 08/12/2008 |
| 7371344 | Method and apparatus for manufacturing a blank for a rotary cutting tool A blank for a rotary tool for chip removing machining, such as a helix drill or an end mill is formed by advancing a mixture of hard metal powder and carrier through an extrusion passage. The mixture is fed past a core having pins secured thereto for forming respect... | 05/13/2008 |
| 7348049 | Honeycomb structural body, manufacturing method of the honeycomb structural body, and exhaust gas purifying device A honeycomb structural body comprising: a pillar-shaped ceramic block and a sealing material provided on an outer peripheral portion of said ceramic block, each of them having irregularities formed on an outer peripheral face wherein: when a least square curve is de... | 03/25/2008 |
| 7169341 | Process for producing extruded honeycomb bodies and extrusion die A process is provided for producing extruded honeycomb bodies with passages, in particular as catalyst carrier bodies for the cleaning of exhaust gas from an internal combustion engine. The passages are bounded by wall regions which are at least partly provided with... | 01/30/2007 |
| 7166255 | Method for manufacturing a cam The temporary compacting of the powder for use in sintering is carried out, the temporary sintering is carried out, the main compacting is carried out, the main sintering is carried out, and the thickness of the radius direction of the base part of the cam before th... | 01/23/2007 |
| 7108828 | Method of making open cell material The porous material of the present invention is produced by heating a dry powder mixture, containing mainly an organic solid binder and inorganic particles. The mixture is foamed while the organic binder is melted. Foaming comes from a foaming agent in the powder mi... | 09/19/2006 |
| 7105127 | Method for production of metal foam or metal-composite bodies with improved impact, thermal and sound absorption properties A method for the production of foamable or foamed metal pellets, parts and panels. The method comprises the steps of: i) providing a mixture of a metal alloy powder with a foaming agent powder, ii) pre-compacting the mixture of step i); iii) heating the pre-compacte... | 09/12/2006 |
| 7056470 | Capacitor-grade lead wires with increased tensile strength and hardness A capacitor-grade wire made from powder metallurgy containing at least niobium and silicon, wherein the niobium is the highest weight percent metal present in the niobium wire. The wire having a controlled tensile strength at finish diameter exceeds the strength of ... | 06/06/2006 |
| 7037453 | Laminate of metal powder and foaming agent between two metal layers The invention relates to a process for forming a laminate comprising a core of a compressed metal powder mixed with a foaming agent between two metal layers, comprising the successive steps of providing two metal strips and a stock of powder comprising a metal powde... | 05/02/2006 |
| 7001570 | Metal-made seamless pipe and process for production thereof A metal-made seamless pipe is provided, containing at least one metal selected from the group consisting of metals each having a melting point of 1,600° C. or more, and has a porosity of 0.3 to 25%. The porosity is defined as a ratio of the open pores present at th... | 02/21/2006 |
| 6942716 | Production of metal forms The invention relates to a process for producing metal foams of controlled structure and to the metal bodies in foam form obtained in this way, wherein metals from group IB to VIIIB of the periodic system of the elements are added before and/or during the formation ... | 09/13/2005 |
| 6921510 | Method for preparing an article having a dispersoid distributed in a metallic matrix An article has a metallic matrix made of its constituent elements with a dispersoid distributed therein. The article is prepared by furnishing at least one nonmetallic matrix precursor compound. All of the nonmetallic matrix precursor compounds collectively include ... | 07/26/2005 |
| 6908588 | Process for manufacturing an evaporation source The invention relates to a process for manufacturing an evaporation source for physical vapor deposition. The evaporation source is formed of the actual sputtering target with an aluminum component and one or more further components as well as of a backing plate mad... | 06/21/2005 |
| 6902699 | Method for preparing cryomilled aluminum alloys and components extruded and forged therefrom High strength aluminum alloy powders, extrusions, and forgings are provided in which the aluminum alloys exhibit high strength at atmospheric temperatures and maintain high strength and ductility at extremely low temperatures. The alloy is produced by blending about... | 06/07/2005 |
| 6852272 | Method for preparation of metallic and ceramic foam products and products made The present invention relates to the fabrication of low cost, in situ, porous metallic, ceramic and cermet foam structures having improved mechanical properties such as energy absorption and specific stiffness. Methods of fabricating the structures from compositions... | 02/08/2005 |
| 6759004 | Process for forming microporous metal parts A metal injection-molding feedstock is heated and plasticized. Supercritical carbon dioxide is injected into the feedstock to form micropores when the pressure is reduced and a parts mold is filled. The micropores are retained when the green parts are debindered and... | 07/06/2004 |
| 6743973 | Thermoelectric material improved in figure of merit, process for producing thereof and peltier module using the same Thermoelectric material of (Bi, Sb)(Te, Se) system is produced through a liquid quenching method and an extrusion from a die unit having an inlet portion and an outlet portion crossing each other at 30-150 degrees so that the crystal grains have an average grain siz... | 06/01/2004 |
| 6699430 | Method and device for producing a sintered metal blank with internally disposed helical recesses A method of producing a substantially regular cylindrical body that consists of a deformable material, especially a sintered metal blank. The blank is provided with an interior helical recess. The blank is first produced with a substantially linear course... | 03/02/2004 |
| 6699821 | Nb3Al superconductor and method of manufacture A Nb3 Al superconducting wire and method for fabricating the same wherein Nb and Al powders in combination, or Nb--Al alloy powders are encapsulated in a metal tube, preferably copper or copper-alloy (e.g., CuNi), and the resultant composite is... | 03/02/2004 |
| 6669899 | Ductile particle-reinforced amorphous matrix composite and method for manufacturing the same A ductile particle-reinforced amorphous matrix composite characterized in that ductile powder is dispersed into amorphous matrix and the mixture is plastically worked to be consolidated and a method for manufacturing the same are provided. The amorphous p... | 12/30/2003 |
| 6630100 | Manufacturing method for spent fuel storage member and mixed power A rectangular pipe is molded by mixing aluminum powder with powder of a neutron absorbing material, molding a premolded body by means of cold isostatic pressing (CIP), canning the premolded body, sintering the premolded body by means of hot isostatic pres... | 10/07/2003 |
| 6617504 | Thermoelectric element, method of fabricating the same, and thermoelectric module employing the same A method of fabricating a thermoelectric element of enhanced thermoelectric performance is provided by improving the preparation of thermoelectric material and employing hot plastic working in combination. The method comprises the step (a) of mixing and h... | 09/09/2003 |
| 6592808 | Cermet sintering of ceramic discharge chambers A method of making a ceramic discharge chamber comprising forming a plurality of preform chambers by assembling at least two ceramic components. The preform chambers are axially aligned within a tube, comprised of an alumina cermet. The tube containing th... | 07/15/2003 |
| 6582651 | Metallic articles formed by reduction of nonmetallic articles and method of producing metallic articles A process for forming a shaped metallic article, including the steps of combining the starting materials, forming the starting materials into a shape to produce a nonmetallic metal precuror article of a certain geometry, and converting the nonmetallic art... | 06/24/2003 |
| 6555051 | Method for producing sintered body In a method for manufacturing a sintered body of the present invention, a feed stock including metal powder, a binder, and an organic material having a melting point lower than that of the binder is extrusion molding by using an extruder 1, so that an ext... | 04/29/2003 |
| 6524522 | Method for preparation of metallic foam products and products made The present invention relates to the extrusion freeform fabrication of low cost, in situ, metallic foam components having oriented microstructures and improved mechanical properties such as energy absorption and specific stiffness. The present invention r... | 02/25/2003 |
| 6482352 | Method of manufacturing watch-bracelet component A method of the present invention manufactures a watch-bracelet component through step (1A) of producing a green body containing a raw material powder by extrusion molding, step (2A) of cutting the green body, step (3A) of debinding the cut green body, an... | 11/19/2002 |
| 6454991 | Method of forging raw material for sintering and forging A method of forging a raw material for sintering and forging. The method comprises the steps of: (a) compacting metallic powder containing iron as a main component and graphite to obtain a compact having a predetermined density; (b) sintering the compact ... | 09/24/2002 |
| 6413472 | Method of manufacturing screws A method of manufacturing screws which can form screws each having a desired hollow axial bore easily and having excellent machinability is provided. The method comprises the steps of (A) producing a green body containing metal powder by means of extrusio... | 07/02/2002 |
| 6336950 | Electrode rod for spark deposition, process for the production thereof, and process for covering with superabrasive-containing layer An aspect of this invention is an electrode rod for spark alloying, comprising a compact of a first powder of a first component which comprises a metal selected from a group of Fe, Co, Ni, metals of 4a, 5a and 6a of the periodic table and Si, and a second... | 01/08/2002 |
| 6207101 | Method of making fired bodies A fired body and method of making involves compounding powder, binder, aqueous solvent for the binder, surfactant, and non-solvent with respect to at least the binder, the solvent, and the powder, with the addition of an organosilicon compound. The non-so... | 03/27/2001 |
| 6086819 | Process for manufacturing thin-walled pipes A process is disclosed for manufacturing thin-walled pipes made of a heat- and wear-resistant aluminium-based material. A billet or tube blank made of a hypereutectic AlSi material is produced, optionally overaged by an annealing process, then extruded in... | 07/11/2000 |
| 6030577 | Process for manufacturing thin pipes The invention relates to a method for manufacturing thin-walled pipes, which are made of a heat-resistant and wear-resistant aluminum-based material. The method comprises the providing of a billet or a tube blank made of a hypereutectic aluminum-silicon A... | 02/29/2000 |
| 5997803 | Thermoelements prepared from powdered alloys and thermocouples made therefrom A method for making thermocouple wire from powdered alloys and metals. The metal or alloy is atomized from its liquid state into a powdered state as it leaves a melting vat. The powder is then compacted and cold worked to form thermocouple wire. Different... | 12/07/1999 |
| 5989492 | Process including heating and cooling for production of an injection-moulded body A process for production of a moulded ceramic and/or metallic body from a ductile material comprising one or more ceramic and/or metallic components, which material is fed into the pre-heated mould cavity (1) of a moulding tool. The moulded tool includes ... | 11/23/1999 |
| 5985440 | Sintered silver-iron material for electrical contacts and process for producing it Sintered silver-iron material for electrical contacts, with properties comparable with those of silver-nickel materials, is obtained by using iron powder having more than 0.25% carbon by weight and microhardness higher than 200 HV 0.025 and sintering in a... | 11/16/1999 |
| 5980602 | Metal matrix composite An improved metal matrix composite utilizes boron carbide as a ceramic additive to a base material metal. The base material metal is aluminum, magnesium, or titanium, or an alloy thereof, provided in powder form with the balance of the material comprising... | 11/09/1999 |
| 5976458 | Iron aluminide useful as electrical resistance heating elements The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have improved room temperature ductility, electrical resistivity, cyclic fatigue resistance,... | 11/02/1999 |
| 5935514 | Method for extrusion of powder mixtures using supercritical fluids A method of making a shaped article involves forming an aqueous mixture comprising inorganic powder material, supercritical fluid, organic binder component a portion of which is essentially insoluble in water, and aqueous vehicle, and extruding the mixtur... | 08/10/1999 |
