Sintering Or Heat Fusing Particles Patents (Class 264/125)
  • Patent number: 10607915
    Abstract: A joined body manufacturing method includes: a laminating step for forming a laminated body in which either a copper circuit substrate (first member) or a ceramic substrate (second member) is coated beforehand with a temporary fixing material the main ingredient of which is a saturated fatty acid, the copper circuit substrate and the ceramic substrate are stacked and positioned by the temporary fixing material which has been melted, and by cooling the temporary fixing material the stacked copper substrate and ceramic substrate are temporarily fixed; and a joining step for forming a joined body in which the copper circuit substrate and the ceramic substrate are joined by heating with pressurizing the laminated body in the stacking direction.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: March 31, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Tomoya Oohiraki, Sotaro Oi, Kimihito Nishikawa
  • Patent number: 10563522
    Abstract: Stationary vanes and rotating blades of a gas turbine engine are disclosed that include airfoils formed from ceramic matrix composite materials. The airfoils include at least one layer of ceramic-containing matrix material and ceramic-containing reinforcing fibers suspended in the matrix material. A core of the airfoils is surrounded by the at least one layer of ceramic-containing fiber/matrix material.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: February 18, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: David J. Thomas, Ted J. Freeman, Jeffrey A. Walston
  • Patent number: 10538463
    Abstract: The present invention relates to a component of a turbomachine made of a composite material comprising a ceramic matrix and a corrosion protection layer arranged on the composite material. The corrosion protection layer comprises: 50-80 wt % silicon, 12-30 wt % nitrogen, 2-8 wt % oxygen, 2-8 wt % aluminum, and 0-3 wt % of at least one alkaline earth metal. The invention furthermore relates to a method for producing a corresponding component of a turbomachine.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: January 21, 2020
    Assignee: MTU AERO ENGINES AG
    Inventors: Stefan Schneiderbanger, Nicole Jakimov, Heinrich Walter
  • Patent number: 10480331
    Abstract: An airfoil includes an airfoil section that defines an airfoil profile. The airfoil section includes a distinct panel that forms a portion of the airfoil profile. The panel has a geometrically segmented coating section. The geometrically segmented coating section includes a wall that has an outer side. The outer side includes an array of cells, and there is a coating disposed in the array of cells.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 19, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Eric A. Hudson, Raymond Surace
  • Patent number: 10350731
    Abstract: Thermally stable diamond constructions comprise a diamond body having a plurality of bonded diamond crystals, a plurality of interstitial regions disposed among the crystals, and a substrate attached to the body. The body includes a working surface and a side surface extending away from the working surface to the substrate. The body comprises a first region adjacent the side surface that is substantially free of a catalyst material and that extends a partial depth into the diamond body. The first region can further extend to at least a portion of the working surface and a partial depth therefrom into the diamond body. The diamond body can be formed from natural diamond grains and/or a mixture of natural and synthetic diamond grains. A surface of the diamond body is treated to provide the first region, and before treatment is finished to an approximate final dimension.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: July 16, 2019
    Assignee: Smith International, Inc.
    Inventors: Ronald K. Eyre, Anthony Griffo, Thomas W. Oldham
  • Patent number: 10335979
    Abstract: A ceramic part and methods for making the ceramic part are disclosed. A green body or non-sintered part may be formed using a casting or molding process. The green body may not be sintered or may be partially sintered before machining one or more features into a surface of the green body. After machining, the component may be fully sintered to create a hardened ceramic component.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: July 2, 2019
    Assignee: APPLE INC.
    Inventors: Naoto Matsuyuki, Adam T. Clavelle, Inori Iwata, David I. Nazzaro
  • Patent number: 10047002
    Abstract: Disclosed herein are tiles, coatings, and related methods that provide both high cleanability and high slip resistance. The coating can be a surface coating with a unique chemical make-up. The surface coating can also have particles suspended within it. During a firing process, the coating and particles can settle in such a manner that the surface structure of the coating, and thus the surface structure of the tile, is both easy to clean and slip-resistant.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: August 14, 2018
    Assignee: Mohawk Carpet Company
    Inventors: Aaron C. Dilbeck, David A. Earl, Terry Adams, Norm Elias, Linda Robledo
  • Patent number: 10010853
    Abstract: The present invention relates, in general, to the purification of boron trichloride (BCl3). More particularly, the invention relates to a process for minimizing silicon tetrachloride (SiCl4) formation in BCl3 production and/or the removal of SiCl4 in BCl3 product stream by preventing/minimizing the silicon source in the reaction chambers. In addition, a hydride material may be used to convert any SiCl4 present to SiH4 which is easier to remove. Lastly freeze separation would replace fractional distillation to remove SiCl4 from BCl3 that has been partially purified to remove light boilers.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: July 3, 2018
    Assignee: Matheson Tri-Gas, Inc.
    Inventors: Mark W. Raynor, Daniel J. Tempel, Junpin Yao, Larry Wagg, Adam Seymour
  • Patent number: 10000415
    Abstract: An insulating monolithic refractory material having sufficient curing strength and usable time ensured and exhibiting excellent stability at high temperature. The insulating monolithic refractory material comprises a binder and a refractory raw material; a bulk specific gravity thereof is 0.8 to 1.8 when a kneaded mixture of the insulating monolithic refractory material with water is cured at normal temperature for 24 hours and then dried at 110° C. for 24 hours; the binder comprises a calcium aluminate cement including CaO and Al2O3 as chemical components and a strontium aluminate cement including SrO and Al2O3 as chemical components; and on the basis of 100% by mass as a total mass of the binder and the refractory raw material, a content of the strontium aluminate cement is 2 to 10% by mass, and a content of CaO derived from the calcium aluminate cement is 1 to 12% by mass.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: June 19, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Koji Kono, Toshimitsu Kurihara, Yuki Matsutani, Tetsunori Ikebe
  • Patent number: 9932274
    Abstract: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteds (“Oe”) or more and a specific magnetic saturation of about 15 Gauss·cm3/grams (“G·cm3/g”) or less. Other embodiments are directed to polycrystalline diamond compacts (“PDCs”) employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: April 3, 2018
    Assignee: US SYNTHETIC CORPORATION
    Inventors: Kenneth E. Bertagnolli, Jiang Qian, Jason Wiggins, Michael Vail, Debkumar Mukhopadhyay
  • Patent number: 9896954
    Abstract: A dual-walled ceramic matrix composite (CMC) component comprises: a CMC core having a hollow shape enclosing at least one interior channel; and a CMC outer layer overlying and spaced apart from the CMC core by a ceramic slurry-cast architecture positioned therebetween. Each of the CMC core and the CMC outer layer comprises ceramic fibers in a ceramic matrix. The CMC core further includes a plurality of through-thickness inner cooling holes in fluid communication with the at least one interior channel. The ceramic slurry-cast architecture defines a cooling fluid path over an outer surface of the CMC core that connects the interior channel(s) to an external environment of the dual-walled CMC component. The CMC outer layer may also include a plurality of through-thickness outer cooling holes in fluid communication with the cooling fluid path, thereby extending the cooling fluid path through the CMC outer layer.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: February 20, 2018
    Assignee: Rolls-Royce Corporation
    Inventors: Jeffrey A. Walston, Sean Landwehr
  • Patent number: 9718993
    Abstract: “Green”, ceramic tapes intended as building blocks for making complex, fully ceramic components and devices for electronic-, lab-on-chip-, and sensing applications, the manufacture of which comprises in sequence: I. mixing of a ceramic “green” paste, II. homogenisation of a ceramic “green” paste, III. dimensioning and optionally structuring the ceramic “green” paste, IV. drying of the dimensioned and structured ceramic paste, in which: step iii) is performed in a combination of an extruder and a calender, the extruder being provided with a circular extrusion die, splitting and unfolding the extruded tube to a flat, continuous tape strip, using methylcellulose or derivatives thereof as binder, and, an additional step chosen among cutting and punching the thus dimensioned and optionally structured “green” paste, thereby making thick, “green” tapes. A method for its manufacture is also contemplated.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: August 1, 2017
    Assignee: Keranor AS
    Inventors: Bernt Thorstensen, Maelenn Le Gall
  • Patent number: 9643373
    Abstract: In an embodiment, a cell assembly for use in a high-pressure cubic press may include at least one can assembly containing a diamond volume. The at least one can assembly may include an end surface in proximity to the diamond volume. The cell assembly may include at least one heating element including a major surface generally opposing and positioned adjacent to the end surface of the at least one can assembly. The at least one heating element may be positioned and configured to heat the diamond volume. The cell assembly may include at least one pressure transmitting medium extending about the at least one can assembly, and a gasket medium that defines a receiving space configured to receive the at least one can assembly, the one or more heating elements, and the at least one pressure transmitting medium.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: May 9, 2017
    Assignee: US SYNTHETIC CORPORATION
    Inventors: Kenneth E Bertagnolli, Michael A Vail, Arnold D Cooper, Paul Douglas Jones, Damon B Crocket
  • Patent number: 9556073
    Abstract: A process for sintering silicon carbide is provided which includes the steps of providing a silicon carbide powder of silicon carbide granules; purifying the silicon carbide powder; subjecting the purified silicon carbide powder to a gel-casting process; removing the gel-cast part from the mold; drying the gel-cast part; obtaining a dried cast ceramic part (a green body) which is capable of green machining into a final desired shape; firing the green body in an oven at temperatures ranging from about 100° C. to about 1900° C. to remove or burn out any polymer remaining in the ceramic; and sintering the green body at temperatures ranging from about 1600° C. to less than about 2200° C.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: January 31, 2017
    Inventor: Dale Adams
  • Patent number: 9522849
    Abstract: A ceramic sintered body according to the present invention comprises: silicon carbide and aluminum nitride, wherein a weight ratio of the aluminum nitride relative to a total weight ratio of the silicon carbide and the aluminum nitride is greater than 10% and 97% or smaller, and a bulk density is greater than 3.18 g/cm3.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: December 20, 2016
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Fumio Odaka
  • Patent number: 9469806
    Abstract: Method of Making particles including a YAG core and a coating of sintering aid deposited thereon. The particles and agglomerates thereof maybe formed as a powder. The coated YAG-containing particles are well-suited to production of polycrystalline YAG-containing ceramics. The coated YAG-containing particles may be fabricated using a novel fabrication method which avoids the need for formation of a homogeneous powder mixture of YAG and sintering aid. The mixture may be sprayed into a drying column and dried to produce coated particles. Alternatively, the YAG particles and sintering aid or sintering aid precursor solution may be separately introduced to the drying column and dried to form coated YAG-containing particles.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: October 18, 2016
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Guillermo R. Villalobos, Jasbinder S. Sanghera, Woohong Kim, Shyam S. Bayya, Bryan Sadowski, Ishwar D. Aggarwal
  • Patent number: 9459236
    Abstract: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteads (“Oe”) or more and a specific magnetic saturation of about 15 Gauss·cm3/grams (“G·cm3/g”) or less. Other embodiments are directed to polycrystalline diamond compacts (“PDCs”) employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: October 4, 2016
    Assignee: US SYNTHETIC CORPORATION
    Inventors: Kenneth E. Bertagnolli, Jiang Qian, Jason Wiggins, Michael A. Vail, Debkumar Mukhopadhyay
  • Patent number: 9353014
    Abstract: A process for sintering silicon carbide is provided which includes the steps of providing a silicon carbide powder of silicon carbide granules; purifying the silicon carbide powder; subjecting the purified silicon carbide powder to a gel-casting process; removing the gel-cast part from the mold; drying the gel-cast part; obtaining a dried cast ceramic part (a green body) which is capable of green machining into a final desired shape; firing the green body in an oven at temperatures ranging from about 100° C. to about 1900° C. to remove or burn out any polymer remaining in the ceramic; and sintering the green body at temperatures ranging from about 1600° C. to less than about 2200° C.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: May 31, 2016
    Inventor: Dale Adams
  • Patent number: 9315881
    Abstract: Embodiments of the invention relate to polycrystalline diamond compacts (“PDC”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, a PDC includes a polycrystalline diamond (“PCD”) table bonded to a substrate. At least a portion of the PCD table includes a plurality of diamond grains defining a plurality of interstitial regions. The plurality of interstitial regions includes a metal-solvent catalyst. The plurality of diamond grains exhibit an average grain size of about 30 ?m or less. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit an average electrical conductivity of less than about 1200 S/m. Other embodiments are directed to PCD, employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: April 19, 2016
    Assignee: US SYNTHETIC CORPORATION
    Inventors: Kenneth E. Bertagnolli, Jiang Qian, Jason K. Wiggins, Michael A. Vail, Debkumar Mukhopadhyay, Brandon P. Linford
  • Patent number: 9248502
    Abstract: A hot isostatic pressing tool comprises a canister and a support structure. The canister forming an annular chamber to receive a powder material to be hot isostatically pressed, the annular chamber having an annular portion having a predetermined radial dimension and at least one annular sub portion at a predetermined axial position having a radial dimension greater than the predetermined radial dimension. The support structure comprising at least one annular member arranged radially within the canister. The at least one annular member is located radially within the at least one annular sub portion of the annular chamber to support the canister at the predetermined axial position.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: February 2, 2016
    Assignee: ROLLS-ROYCE plc
    Inventor: Christopher J. Hood
  • Patent number: 9134275
    Abstract: Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteads or more and a specific magnetic saturation of about 15 Gauss·cm3/grams or less. Other embodiments are directed to polycrystalline diamond compacts (“PDCs”) employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: September 15, 2015
    Assignee: US SYNTHETIC CORPORATION
    Inventors: Kenneth E. Bertagnolli, Jiang Qian, Jason Wiggins, Michael A. Vail, Debkumar Mukhopadhyay
  • Publication number: 20150014157
    Abstract: The Li-containing transition metal oxide sintered compact of the present invention includes Li and a transition metal, and further includes Al, Si, Zr, Ca, and Y as impurity elements, of which contents are controlled to the following ranges: Al?90 ppm; Si?100 ppm; Zr?100 ppm; Ca?80 ppm; and Y?20 ppm, wherein the sintered compact has a relative density of 95% or higher and a specific resistance of lower than 2×107 ?cm. The present invention makes it possible to stably form Li-containing transition metal oxide thin films useful as the positive electrode thin films of secondary batteries or the like at a high deposition rate without causing abnormal discharge.
    Type: Application
    Filed: March 19, 2013
    Publication date: January 15, 2015
    Applicants: KOBELCO RESEARCH INSTITUTE, INC., Toshima Manufacturing Co., Ltd.
    Inventors: Yuichi Taketomi, Yuki Tao, Moriyoshi Kanamaru, Kenji Sakai, Shuetsu Haseyama, Hideshi Kikuyama
  • Publication number: 20140374171
    Abstract: A method of manufacturing a well tool can include loading a matrix material into a mold, then sintering the matrix material in the mold; and then loading another matrix material into the mold. A well tool can include a longitudinal axis, an erosion resistant layer exposed to one or more erosive factors when the well tool is installed in a well, and a support layer which supports the erosion resistant layer. The erosion resistant and support layers can include respective matrix materials, and the erosion resistant layer can extend greater than approximately 1.27 cm in a direction parallel to the longitudinal axis. Another method of manufacturing a well tool can include forming a rigid layer from a powdered matrix material; and then infiltrating both that matrix material and another matrix material with a hot liquid binder material.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 25, 2014
    Applicant: HALLIBURTON ENERGY SERVICES, INC
    Inventor: Jeffrey G. Thomas
  • Patent number: 8900692
    Abstract: The forging-reinforced composite constructed of a plurality of different kinds of materials, which have compatible polymers comprising crystalline and glass phases at room temperature for the matrices, is a composite, wherein, by being forged in a layer-separated state in which each of the different kinds of materials forms micron-sized fibrous layers that crossed and intermingled three-dimensionally with each other and the arrangement of the crystals in the crystalline phases configuring the matrices having a disordered orientation without anisotropy in a variety of directions, the inherent-properties of the material of each layer are complementarily reinforced. A mixed nonwoven fabric wherein microfibers are crossed and intermingled two- or three-dimensionally with each other is manufactured and heated under pressure at or above the melting point of the polymers to manufacture compact blocks wherein the microfibers are welded. Then, the compact blocks are forged at a crystallization temperature.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: December 2, 2014
    Inventor: Yasuo Shikinami
  • Publication number: 20140339745
    Abstract: A method of making an object using mold casting, comprising the steps of applying a slip mixture into a mold fabricated by 3D printing or additive manufacturing technique, and firing the mold containing the slip mixture. A composition of a slip mixture for use with a mold fabricated by 3D printing or additive manufacturing technique, the composition comprising calcium aluminate, from 10% to 60% by weight, and a filler. Such method and composition can provide efficient and economically viable ways of fabricating objects having complex shapes and high density.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 20, 2014
    Inventor: Stuart URAM
  • Patent number: 8877874
    Abstract: A powder mixture is described, which is suitable for a layer-wise manufacturing of a three-dimensional object by solidifying a building material in powder form. The powder mixture consists of a mixture of a first polyamide 12 powder and a second polyamide 12 powder, wherein the first polyamide 12 powder is characterized by an increase of its viscosity number determined in accordance with ISO 307 that is less than 10%, when the powder is exposed for 20 hours to a temperature that lies 10° C. below its melting temperature under nitrogen atmosphere, and the second polyamide 12 powder is characterized by an increase of its viscosity number, determined in accordance with ISO 307, by 15% or more, when the powder is exposed for 20 hours to a temperature that lies 10° C. below its melting temperature under nitrogen atmosphere.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: November 4, 2014
    Assignee: EOS GmbH Electro Optical Systems
    Inventor: Stefan Paternoster
  • Patent number: 8815134
    Abstract: A process for manufacturing a film of ultra-high molecular weight polyolefin comprising: (a) subjecting a starting ultra-high molecular weight polyolefin with a weight average molecular weight of at least 500 000 gram/mole in powder form to a compacting step using an isobaric press; and (b) subjecting the compacted polyolefin to a rolling step and at least one stretching step under such conditions that at no point during the processing of the polymer its temperature is raised to a value above its melting point. The process allows for the manufacture of ultra-high molecular weight polyolefin films of high quality.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: August 26, 2014
    Assignee: Teijin Aramid B.V.
    Inventor: Martinus Wilhelmus Maria Gemma Peters
  • Patent number: 8808591
    Abstract: A method of forming a composite article by injecting at least two composite materials comprising metal carbides into a mold to form a green compact is disclosed. The composite materials may be metal powders comprising a binder metal, a hard particle. The composite material may further comprise a plastic binder. The two different composite materials are injected into the mold to form the green compact. Additionally, the composite materials may be injected through a die before entering the mold. In a specific embodiment, the die forms at least one internal channel within the green compact.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: August 19, 2014
    Assignee: Kennametal Inc.
    Inventors: Prakash K. Mirchandani, David J. Wills, Michale E. Waller, Jeffrey L. Weigold, Billy D. Swearengin
  • Patent number: 8784587
    Abstract: Building panels and a method to produce such panels including a solid decorative surface having a decorative wear layer including fibers, binders, color substance and wear resistant particles. A method of manufacturing a building panel having a decorative surface connected to a core wherein the surface has at least two homogenous layers, a lower sub layer and an upper decorative layer, the upper decorative layer including fibers, a first color substance a binder and wear resistant particles, the lower sub layer including fibers, a second color substance, and a binder, whereby the method including the steps of applying the layers comprising a mix of fibers, binder, wear resistant particles and color substance on a core wherein the layers comprise different colors, displacing particles from their original position such that particles from the sub layer are visible on the decorative surface, and curing the layers by providing heat and pressure.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: July 22, 2014
    Assignee: Valinge Innovation AB
    Inventors: Kent Lindgren, Jan Jacobsson, Darko Pervan
  • Patent number: 8734700
    Abstract: A process for the production of virtually full density polyolefin suitable for further processing by drawing to form a high tenacity, highly oriented polyolefin sheet comprising: a) feeding a metered amount of polyolefin powder into the nip between two vertically stacked and heated calender rolls through application of the polyolefin powder to the apex of the topmost of the two heated calender rolls; b) rolling the powder through the nip until a coherent sheet of polyolefin sheet is produced: and c) once a coherent polyolefin sheet exits the nip adjusting the temperature in the nip to obtain specific tensile and elongation properties. Apparatus for the performance of such a process is also described.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: May 27, 2014
    Assignee: E I Du Pont de Nemours and Company
    Inventors: Kenneth C. Harding, Gene C. Weedon
  • Patent number: 8703028
    Abstract: A method for compression molding of poly(arylene ether) powder comprises introducing a powder comprising unheated poly(arylene ether) powder to compaction equipment comprising a compression mold and subjecting the powder in the compression mold to a pressure sufficient to produce an article having a density greater than the unheated poly(arylene ether) powder wherein the pressure is applied at a temperature less than the glass transition temperature of the poly(arylene ether) powder.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: April 22, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Manatesh Chakraborty, Hua Guo, Lakshmikant S. Powale
  • Patent number: 8668803
    Abstract: A sandwich of impact resistant material comprising: a first tile comprising a plurality of nano-particles bonded together, wherein the nano-structure of the nano-particles is present in the first tile and the first tile comprises a hardness value; a second tile comprising a plurality of nano-particles bonded together, wherein the nano-structure of the nano-particles is present in the second tile and the second tile comprises a hardness value; and a third tile comprising a plurality of nano-particles bonded together, wherein the nano-structure of the nano-particles is present in the third tile and the third tile comprises a hardness value, wherein the second tile is coupled in between the first tile and the third tile, and the second tile comprises a hardness value greater than the first tile and the second tile.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: March 11, 2014
    Assignee: SDCmaterials, Inc.
    Inventor: Maximilian A. Biberger
  • Patent number: 8628843
    Abstract: The present invention provides sintered composite polymeric materials and methods of making and using the same. The sintered composite polymeric materials are made by sintering composite particles comprising a polytetrafluoroethylene component and a carbonaceous component, wherein the carbonaceous component is dispersed throughout the polytetrafluoroethylene component.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: January 14, 2014
    Assignee: Porex Corporation
    Inventor: Andrew James MacLennan
  • Publication number: 20130337222
    Abstract: A macro fiber for a composite article may include a plurality of inner fibers. Each one of the inner fibers may have an inner fiber final cross-sectional size of less than approximately 100 nanometers. The inner fibers may be surrounded by matrix material.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 19, 2013
    Applicant: THE BOEING COMPANY
    Inventors: Mark S. Wilenski, Michael P. Kozar
  • Patent number: 8506861
    Abstract: A method to form a displacement for use in a metal casting process, wherein the method provides a plurality of ceramic particles and a plurality of resin particles. The method grinds the plurality of ceramic particles until those ceramic particles comprise diameters less than 150 microns, and grinds the plurality of resin particles until those resin particles comprise diameters less than 100 microns, and forms a powder blend comprising the plurality of ground ceramic particles and the plurality of ground resin particles. The method then disposes the powder blend into a mold comprising a cavity defining the desired displacement. The method further densifies the blend, and cures the resin to form the displacement.
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: August 13, 2013
    Assignee: Destech Corporation
    Inventor: David A. Rohrbacker
  • Patent number: 8449854
    Abstract: According to some embodiments, a method of preparing a superhard material involves using mixtures of boron with carbon nitride of C3N4 stoichiometry as precursors. The C3N4 may be nanospherical. The result of chemical interaction of these components is the formation of new ternary compound B—C—N compound with a cubic structure. According to some embodiments, the composition is BCxN, where x is about 0.5. According to some embodiments, the composition is BCxN, where x is about 0.2. According to some embodiments, the compound has a unit cell parameter a=3.645±0.005 ?. According to some embodiments, the unit cell parameter a is about 3.655 ?. Synthesis is carried out under the conditions of thermodynamic stability of diamond at pressures higher that 6.0 GPa and temperatures above 1000° C. The starting components are taken according to the following ratio: boron—20-60 wt. %, C3N4—40-80 wt. %.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: May 28, 2013
    Assignee: William Marsh Rice University
    Inventors: Valery N. Khabashesku, Vladimir P. Filonenko, Valeri A. Davydov
  • Patent number: 8414816
    Abstract: A culm block and a method of manufacture are disclosed. The culm block comprises a plurality of straw stalks forming a first rigid wall and a second rigid wall as a result of an application of heat and pressure to the same and the inherent bonding agent found in the straw stalks. Preferably, the culm block further comprises a plurality of through-holes for receiving structural reinforcements or otherwise and a restraining device wrapped about the block for added structural support.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: April 9, 2013
    Assignee: Orzatech, Inc.
    Inventors: Benjamin Zvi Korman, John Anthony Ruskey, III, Douglas Clinton Priest
  • Patent number: 8388790
    Abstract: There is described a process for the production of a multilayer body (4) having an electrically conductive layer (421) arranged on a carrier layer (41), in which there is provided a transfer film (5) having a transfer layer (52) of an electrically conductive polymer. The electrically conductive layer is transferred from the transfer film (5) on to the multilayer body (4). There are also provided a transfer film and a multilayer body produced in accordance with the process.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: March 5, 2013
    Assignee: Leonhard Kurz Stiftung & Co. KG
    Inventors: Ulrich Schindler, Walter Lehnberger
  • Patent number: 8361429
    Abstract: Embodiments relate to methods of fabricating PCD materials by subjecting a mixture that exhibits a broad diamond particle size distribution to an HPHT process, PCD materials so-formed, and PDCs including a polycrystalline diamond table comprising such PCD materials. In an embodiment, a PCD material includes a plurality of bonded diamond grains that exhibit a substantially unimodal diamond grain size distribution characterized, at least in part, by a parameter ? that is less than about 1.0. ? = x 6 · ? , where x is the average grain size of the substantially unimodal diamond grain size distribution, and ? is the standard deviation of the substantially unimodal diamond grain size distribution.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: January 29, 2013
    Assignee: US Synthetic Corporation
    Inventors: Michael A. Vail, Kenneth E. Bertagnolli, Jason Wiggins, Jiang Qian, David P. Miess
  • Patent number: 8362097
    Abstract: The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particle size of the particles of the polyethylene polymer is within the range of from about 5 microns to about 1000 microns and the polyethylene has a powder bulk density in the range of from about 0.10 to about 0.30 g/cc. Also disclosed is a process for molding a shape from a molding powder comprising the inventive polyethylene polymer particles, as well as porous articles made in accordance with the process. The articles have excellent porosity and good strength for porous and porous filtration applications.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: January 29, 2013
    Assignee: Ticona LLC
    Inventors: Louis Chun Wang, Jens Ehlers
  • Patent number: 8343402
    Abstract: In one embodiment method to form a composite part from a metallic composite powder, comprises positioning a metallic composite powder preform in a mold cavity formed by a first susceptor and a second susceptor, heating the mold cavity to a first processing temperature, applying a pressure to the mold cavity, and applying a thermal oscillation cycle to the mold cavity, wherein the thermal oscillation cycle oscillates the temperature of the mold cavity between a first temperature in which the metallic composite powder is in a first phase and a second temperature in which the metallic composite powder is in a second phase, different from the first phase.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: January 1, 2013
    Assignee: The Boeing Company
    Inventors: Marc R. Matsen, Wesley B. Crow, Brad L. Kirkwood
  • Patent number: 8318063
    Abstract: A method of forming a composite article by injecting at least two composite materials comprising metal carbides into a mold to form a green compact is disclosed. The composite materials may be metal powders comprising a binder metal, a hard particle. The composite material may further comprise a plastic binder. The two different composite materials are injected into the mold to form the green compact. Additionally, the composite materials may be injected through a die before entering the mold. In a specific embodiment, the die forms at least one internal channel within the green compact.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: November 27, 2012
    Assignee: TDY Industries, LLC
    Inventors: Prakash K. Mirchandani, David J. Wills, Michale E. Waller, Jeffrey L. Weigold, Billy D. Swearengin
  • Patent number: 8313677
    Abstract: In one embodiment of the present invention, an assembly for HPHT processing comprises a can with an opening. A powder mixture is disposed within the opening. A substrate is disposed within the opening adjacent the powder mixture. Paint is coated on a surface within the opening and opposite the powder mixture with respect to the substrate. A meltable sealant is disposed within the opening and opposite the substrate with respect to the surface and a cap is covering the opening. In another embodiment of the present invention, an assembly for HPHT processing comprises a can with an opening, a powder mixture is disposed within the opening, a substrate disposed within the opening adjacent and above the powder mixture, a formable sealant barrier is disposed within the opening above the substrate, a meltable sealant is disposed within the opening above the formable sealant barrier, and a cap covers the opening.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: November 20, 2012
    Inventors: David R. Hall, Ronald B. Crockett
  • Publication number: 20120273987
    Abstract: Provided in one embodiment is a method of forming an inorganic nanowire, comprising: providing an elongated organic scaffold; providing a plurality of inorganic nanoparticles attached to the organic scaffold along a length of the organic scaffold; and fusing the nanoparticles attached to the organic scaffold to form an inorganic nanowire.
    Type: Application
    Filed: June 18, 2012
    Publication date: November 1, 2012
    Inventors: Angela M. Belcher, Chuanbin Mao, Daniel J. Solis
  • Patent number: 8292982
    Abstract: A filter, in particular for a rotary separator, is produced using an energy beam melting process, for example an electron beam, starting from powder made from the same material as a porous filtering portion to be formed, for example from a titanium alloy; on the basis of a three-dimensional model comprising a cell structure defining the porous filtering portion, subsequent layers of powder are applied and locally melted, so as to form successive sections of the porous filtering portion; at the end of the forming process, the residual powder is evacuated from the pores.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: October 23, 2012
    Assignee: Avio S.p.A.
    Inventors: Paolo Gennaro, Maurizio Romeo, Giuseppe Bene, Franco Tortarolo, Giovanni Paolo Zanon
  • Patent number: 8263513
    Abstract: The present invention discloses a method that can improve the sintering ability of calcium sulfate. The material can be used as a bio-material. This method is prepared by pre-mixing +1 and/or +2 and/or +3 and/or +4 and/or +5 valence element and/or its chemical compounds which serves as a sintering additive to calcium sulfate. During sintering, the sintering additive may form a compound and/or a glass and/or a glass-ceramic to assist the densification of the calcium sulfate. The strength and biocompatibility of the specimen after sintering are satisfactory.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: September 11, 2012
    Assignee: National Taiwan University
    Inventors: Wei-Hsing Tuan, Shu-Ting Kuo
  • Patent number: 8252422
    Abstract: Provided is a hybrid silicon wafer made of a wafer comprised primarily of two or more types of concentric single-crystal silicon or polycrystalline silicon prepared by mutually integrating one in a molten state and another in a solid state, and having specific resistances that differ by two orders of magnitude or more. Additionally provided is a method of manufacturing a hybrid silicon wafer, wherein high specific resistance silicon or an ingot comprised primarily of silicon is disposed at a central portion or a decentered position in a crucible, a nugget or powdered silicon having a specific resistance that is lower by two orders of magnitude or more than the ingot is filled in a void part around the ingot in the crucible, the nugget or powdered silicon is selectively melted and integrated with the ingot to form a complex, and a wafer shape is cut out therefrom.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: August 28, 2012
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Hiroshi Takamura, Ryo Suzuki
  • Patent number: 8247492
    Abstract: Powder compositions and articles and methods of forming articles from powder compositions are provided. In one embodiment the powder compositions include at least one polyester polymer powder and an amount of reinforcing particles having an aspect ratio of preferably at least about 5:1. In another embodiment the powder compositions include at least one medium-high melting temperature, aromatic and crystalline polyester polymer powder. In a preferred embodiment, the powder composition is capable of being formed, via a laser sintering process, into a three-dimensional article that exhibits one or more desirable mechanical properties in an elevated temperature environment.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: August 21, 2012
    Assignee: Valspar Sourcing, Inc.
    Inventor: Raffaele Martinoni
  • Patent number: 8246016
    Abstract: A downcomer for a gas-liquid contacting device. The downcomer may include first and second spaced apart side walls, first and second end walls, a floor, and first and second opposing discharge walls. Generally, each end wall is coupled to a respective end of the first and second side walls. Typically, the floor is coupled to the side walls and end walls, and the floor has at least one section adapted for permitting the passage of liquid there-through. The first and second opposing discharge walls can be coupled to respective first and second side walls and having respective ends below the floor.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: August 21, 2012
    Assignee: UOP LLC
    Inventor: Zhanping Xu
  • Patent number: 8246017
    Abstract: A downcomer for a gas-liquid contacting device. The downcomer may include first and second spaced apart side walls, first and second end walls, a floor, and first and second opposing discharge walls. Generally, each end wall is coupled to a respective end of the first and second side walls. Typically, the floor is coupled to the side walls and end walls, and the floor has at least one section adapted for permitting the passage of liquid there-through. The first and second opposing discharge walls can be coupled to respective first and second side walls and having respective ends below the floor.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: August 21, 2012
    Assignee: UOP LLC
    Inventor: Zhanping Xu