Porous Component Patents (Class 428/550)
  • Patent number: 10640142
    Abstract: A rack-and-pinion type steering apparatus 1 comprises a gear case 3 made of aluminum or an aluminum alloy and having a hollow portion 2; a steering shaft 6 rotatably supported by the gear case 3 through rolling bearings 4 and 5; a pinion 7 which is provided integrally on a shaft end portion of the steering shaft 6 and is rotatably supported in the hollow portion 2 by the gear case 3 through the steering shaft 6; a rack bar 9 on which rack teeth 8 meshing with the pinion 7 are formed; a rack guide 10 which is disposed in the hollow portion 2 of the gear case 3 and supports the rack bar 9 slidably; and a spring 11 constituted by a coil spring for pressing the rack guide 10 toward the rack bar 9.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: May 5, 2020
    Assignee: OILES CORPORATION
    Inventor: Takuya Maeda
  • Patent number: 10537961
    Abstract: Methods are provided for manufacturing an orthopedic prosthesis by resistance welding a porous metal layer of the orthopedic prosthesis onto an underlying metal substrate of the orthopedic prosthesis. The resistance welding process involves directing an electrical current through the porous layer and the substrate, which dissipates as heat to cause softening and/or melting of the materials, especially along the interface between the porous layer and the substrate. The softened and/or melted materials undergo metallurgical bonding at points of contact between the porous layer and the substrate to fixedly secure the porous layer onto the substrate.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: January 21, 2020
    Assignee: Zimmer, Inc.
    Inventors: Joseph R. Vargas, Steven Seelman, Clarence M. Panchison
  • Patent number: 10102928
    Abstract: A method for improving resistance of a fusion reactor inner wall to plasma irradiation by using lamination structure comprises: making a material for facing plasma into multiple metal sheets, laminating the multiple metal sheets together according to a direction perpendicular to a wall surface, and combining the laminated multiple metal sheets with a copper substrate. The method relates to the field of nuclear applications, and is applicable to a plasma-facing surface on an inner wall of an apparatus for conducting a fusion reaction by using hydrogen isotopes. Not only does the method reduce aggregation of hydrogen, helium, and isotopes thereof, and the like, under a surface layer of a tungsten-based material, greatly reducing a blistering phenomenon on a surface thereof, but also reduces thermal fatigue cracking damages.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: October 16, 2018
    Assignee: Beijing University of Technology
    Inventors: Bo Wang, Dezhi Hu, Dong Ma, Guanghong Lu
  • Patent number: 10045798
    Abstract: A coating layer, for example PEEK or titanium foil, shields a bone implant surface from wearing interactions with surfaces of bone and/or other implants. The coating prevents shedding particles which are difficult to distinguish from evidence of potentially dangerous conditions, for example, microorganism contamination and/or degenerating tissue. Methods and structures for securing a coating layer are described. Other uses and implementations of coating layers are described.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: August 14, 2018
    Assignee: Carbofix Orthopedics Ltd.
    Inventors: Mordechay Beyar, Oren Globerman, Ronen Shavit
  • Patent number: 9671429
    Abstract: Some embodiments of the invention are directed to electrochemical fabrication methods for forming structures or devices (e.g. microprobes for use in die level testing of semiconductor devices) from a core material and a shell or coating material that (1) partially coats the surface of the structure, (2) completely coats the surface of the structure, and/or (3) completely coats the surface of structural material of each layer from which the structure is formed including interlayer regions. These embodiments incorporate both the core material and the shell material into the structure as each layer is formed along with a sacrificial material that is removed after formation of all layers of the structure. In some embodiments the core material may be a material that would be removed with sacrificial material if it were accessible by an etchant during removal of the sacrificial material.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: June 6, 2017
    Assignee: University of Southern California
    Inventors: Ming Ting Wu, Rulon J. Larsen, III, Young Kim, Kieun Kim, Adam L. Cohen, Ananda H. Kumar, Michael S. Lockard, Dennis R. Smalley
  • Patent number: 9476453
    Abstract: There is provided a Cu-based oil-impregnated sintered bearing which can be used for high-load applications such as an ABS system and a wiper motor system in automobile, can be manufactured at low cost, and is excellent in abrasion resistance and seizure resistance. The bearing contains 5 to 40% by mass of Ni, 3 to 15% by mass of Sn, 0.5 to 4.0% by mass of P, or further 0.3 to 5.0% by mass of a solid lubricant, and a remainder comprising Cu and inevitable impurities, and has a metallic structure in which a phase mainly composed of Ni and P is dispersed in a matrix, and has a 5 to 25% porosity.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: October 25, 2016
    Assignee: DIAMET CORPORATION
    Inventors: Yoshinari Ishii, Yasuhiro Tsukada
  • Patent number: 9163669
    Abstract: To provide a sliding member that improves seizure resistance by restraining any exposure of the porous layer and improves abrasion resistance and load resistance. The sliding member 1 constitutes a bearing having a cylindrical shape, an inner circumferential surface of which is a sliding layer 5 with an axis. In the sliding member 1, a porous layer 3 made of alloy material is formed on a surface of a metal base 2 and this porous layer 3 is covered by resin material 4 so that the sliding layer 5 is formed. In the sliding member 1, a particle size of metal powder 30 forming the porous layer 3 is within a range of 15 through 60 ?m, preferably, about 25 through 45 ?m. Further, in the sliding member 1, a thickness of the porous layer 3 is within a range of 0.06 through 0.1 mm and a thickness of the sliding layer 5 is within a range of 0.08 through 0.16 mm The thickness of the sliding layer 5 is set to be thicker on average than the thickness of the porous layer 3 so that the porous layer 3 is not exposed.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: October 20, 2015
    Assignee: Senju Metal Industry Co., Ltd.
    Inventors: Ryoichi Kurata, Kenzo Tadokoro, Kazushige Kumagai
  • Patent number: 9044528
    Abstract: An article comprising: a substrate; and over at least part of a surface of said substrate an outer coating of hydroxyapatite and an intermediate bonding layer bonded to said substrate and to said outer coating, wherein a mechanical interlock is present between said substrate and said outer coating.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: June 2, 2015
    Assignee: UCL Business PLC
    Inventors: Minoo Esat, William Bonfield, Mohan Edirisinghe, Jie Huang, Xiang Li
  • Patent number: 8980438
    Abstract: The porous metal foil of the present invention include a two-dimensional network structure composed of a metal fiber. This porous metal foil has a first side having a higher glossiness, and a second side having a lower glossiness located on the opposite side of the first side. The ratio of glossiness GS of the first side to glossiness GM of the second side, GS/GM, as measured at incident and reflection angles of 60 degrees in accordance with JIS Z 8741 (1997) is from 1 to 15. The present invention provides a highly useful porous metal foil which has a reduced difference in properties between both sides, in addition to the superior properties attributable to a porous metal foil, in a highly productive and cost effective manner that is suited for continuous production.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: March 17, 2015
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Tetsuhiro Matsunaga, Hajime Watanabe, Joe Nishikawa
  • Publication number: 20150056464
    Abstract: Methods and devices are disclosed for creating a multiple alloy composite structure by forming a three-dimensional arrangement of a first alloy composition in which the three-dimensional arrangement has a substantially open and continuous porosity. The three-dimensional arrangement of the first alloy composition is infused with at least a second alloy composition, where the second alloy composition comprises a shape memory alloy. The three-dimensional arrangement is consolidated into a fully dense solid structure, and the original shape of the second alloy composition is set for reversible transformation. Strain is applied to the fully dense solid structure, which is treated with heat so that the shape memory alloy composition becomes memory activated to recover the original shape. An interwoven composite of the first alloy composition and the memory-activated second alloy composition is thereby formed in the multiple alloy composite structure.
    Type: Application
    Filed: August 20, 2014
    Publication date: February 26, 2015
    Inventor: Craig A. Brice
  • Patent number: 8951465
    Abstract: A method for preparing an implant having a porous metal component. A loose powder mixture including a biocompatible metal powder and a spacing agent is prepared and compressed onto a metal base. After being compressed, the spacing agent is removed, thereby forming a compact including a porous metal structure pressed on the metal base. The compact is sintered, forming a subassembly, which is aligned with a metal substrate portion of an implant. A metallurgical bonding process, such as diffusion bonding, is performed at the interface of the subassembly and the metal substrate to form an implant having a porous metal component.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: February 10, 2015
    Assignee: Biomet Manufacturing, LLC
    Inventor: Gautam Gupta
  • Patent number: 8945720
    Abstract: A hardmetal composite used as wear-resistant surfaces and inlays in earth-engaging equipment includes more than one hardphase. At least one hardphase has a high average particle size, for example, from 100 ?m to 2000 ?m. The hardphases vary in terms of particle size, hardness, and binder content, and at least one hardphase includes a particulate constituent capable of plastic deformation that comprises at least 1% residual porosity.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: February 3, 2015
    Assignee: National Oilwell Varco, L.P.
    Inventors: Harold Sreshta, Eric F Drake, Douglas B Caraway
  • Publication number: 20140342173
    Abstract: In one aspect, composite articles are described comprising multifunctional coatings. A composite article described herein, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising an inner layer and an outer layer, the inner layer comprising a presintered metal or alloy and the outer layer comprising particles disposed in a metal or alloy matrix.
    Type: Application
    Filed: July 14, 2014
    Publication date: November 20, 2014
    Applicant: Kennametal Inc.
    Inventors: Qingjun ZHENG, Piyamanee Komolwit, Yixiong Liu, Jim Faust, Jonathan Bitler, Srinivasarao Boddapati
  • Publication number: 20140336680
    Abstract: Compositions and methods for making a three dimensional structure comprising: designing a three-dimensional structure; melting the three-dimensional structure from two or more layers of a metal powder with a high energy electron or laser beam is described herein. The position where the metal is melted into the structure is formed along a layer of metal powder, wherein the location and intensity of the beam that strikes the metal layer is based on the three-dimensional structure and is controlled and directed by a processor. The instant invention comprises a novel dry state sonication step for removing metal powder that is not melted from the three dimensional structure.
    Type: Application
    Filed: July 28, 2014
    Publication date: November 13, 2014
    Inventors: Frank Medina, Lawrence Murr, Ryan Wicker, Sara Gaytan
  • Patent number: 8808870
    Abstract: In one aspect, composite articles are described comprising multifunctional coatings. A composite article described herein, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising an inner layer and an outer layer, the inner layer comprising a presintered metal or alloy and the outer layer comprising particles disposed in a metal or alloy matrix.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: August 19, 2014
    Assignee: Kennametal Inc.
    Inventors: Qingjun Zheng, Piyamanee Komolwit, Yixiong Liu, Jim Faust, Jonathan Bitler, Srinivasarao Boddapati
  • Patent number: 8647751
    Abstract: During engine operation, valve retainers and valve springs are constantly rubbing and impacting each other resulting in heat and wear. The purpose of this invention is to provide a surface coating onto the valve retainer to reduce the friction with the valve spring and thus improve durability. Specifically, this invention teaches a method to thermally apply coatings to the surface of the valve retainer. Although typically fabricated from steel, the usage of lighter weight titanium valve retainers is increasing for high performance, or racing engines. The reduced mass allows valves to move more readily and requires less spring pressure to operate, producing more power and a faster revving engine, however titanium is typically not as wear resistant as the steel it replaces. In one embodiment, a porous molybdenum or other oleophilic metal is applied to the surface of the valve retainer. In another embodiment, hard coatings of cermets, carbides, and super alloys are applied as coatings to valve retainers.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: February 11, 2014
    Assignee: Wide Open Coatings, Inc.
    Inventors: Mark Thomas Endicott, Randall John Wischhusen
  • Publication number: 20140014059
    Abstract: A sliding member for which adhesiveness between the surface of a base member and metal coating is enhanced. An undercoat layer having a resin material at the surface thereof is provided, and a solid lubricating portion is formed on the undercoat layer so as to provide a sliding face from at least one kind of material of silver, silver alloy, copper and copper alloy. An intermixture layer in which both the undercoat layer and the solid lubricating portion are intermixed with each other is interposed between the undercoat layer and the solid lubricating portion.
    Type: Application
    Filed: February 29, 2012
    Publication date: January 16, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Ryotaro Takada, Yoshitaka Tsujii, Takahisa Tashiro, Mayumi Saruyama, Yuki Furukawa
  • Patent number: 8524375
    Abstract: This invention relates to thermally spray coated work rolls for use in metal or metal alloy, e.g., aluminum alloy, sheet manufacture comprising a cylindrical-like structure having an outer peripheral surface and a thermally sprayed coating on the outer peripheral surface of said cylindrical-like structure, said thermally sprayed coating comprising from about 65 to about 95 weight percent of one or more Group VI metal carbides, and from about 5 to about 35 weight percent of one or more transition metals selected from chromium, manganese, iron, cobalt and nickel. This invention also relates to a process for preparing the work rolls for use in metal or metal alloy, e.g., aluminum alloy, sheet manufacture, a method for manufacturing metal or metal alloy, e.g., aluminum alloy, sheet using the thermally spray coated work rolls, and a thermal spray powder for coating the outer peripheral surface of the work rolls for use in metal or metal alloy, e.g., aluminum alloy, sheet manufacture.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: September 3, 2013
    Assignee: Praxair S.T. Technology, Inc.
    Inventor: William John Crim Jarosinski
  • Publication number: 20130218281
    Abstract: A method of pressure forming a brown part from metal and/or ceramic particle feedstocks includes: introducing into a mold cavity or extruder a first feedstock and one or more additional feedstocks or a green or brown state insert made from a feedstock, wherein the different feedstocks correspond to the different portions of the part; pressurizing the mold cavity or extruder to produce a preform having a plurality of portions corresponding to the first and one or more additional feedstocks, and debinding the preform. Micro voids and interstitial paths from the interior of the preform part to the exterior allow the escape of decomposing or subliming backbone component substantially without creating macro voids due to internal pressure. The large brown preform may then be sintered and subsequently thermomechanically processed to produce a net wrought microstructure and properties that are substantially free the interstitial spaces.
    Type: Application
    Filed: April 30, 2010
    Publication date: August 22, 2013
    Applicant: ACCELLENT INC.
    Inventors: Mark W. Broadley, James Alan Sago, Hao Chen, Edward J. Schweitzer, John Eckert, Jeffrey M. Farina
  • Patent number: 8507105
    Abstract: This invention relates to rolls for use in or in contact with molten metal comprising a roll drum having an outer peripheral surface and a thermally sprayed coating on the outer peripheral surface of said roll drum, said thermally sprayed coating comprising from about 66 to about 88 weight percent of tungsten, from about 2.5 to about 6 weight percent of carbon, from about 6 to about 20 weight percent of cobalt, and from about 2 to about 9 weight percent of chromium; a process for preparing the rolls; a method for forming a metal layer on a metal sheet utilizing the rolls, e.g., galvanization; and a thermal spray powder for coating the outer peripheral surface of the rolls.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: August 13, 2013
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: William Jarosinski, John Quets, Daming Wang, Vladimir Belov, Ardy Simon Kleyman
  • Publication number: 20130196169
    Abstract: A system and method of forming a wear resistant composite material includes placing a porous wear resistant filler material in a mold cavity and infiltrating the filler material with a matrix material by heating to a temperature sufficient to melt the matrix material, then cooling the assembly to form a wear resistant composite material. The system and method can be used to form the wear resistant composite material on the surface of a substrate, such as a part for excavating equipment or other mechanical part. One suitable matrix material may be any of a variety of ductile iron alloys.
    Type: Application
    Filed: January 29, 2013
    Publication date: August 1, 2013
    Applicant: ESCO Corporation
    Inventor: ESCO Corporation
  • Patent number: 8497026
    Abstract: A porous metal foil of the present invention comprises a two-dimensional network structure composed of metal fibers. This porous metal foil has superior properties and can be obtained in a highly productive and cost effective manner.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: July 30, 2013
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Tetsuhiro Matsunaga, Hajime Watanabe, Joe Nishikawa, Tetsuro Sato
  • Publication number: 20130136941
    Abstract: In one aspect, composite articles are described comprising multifunctional coatings. A composite article described herein, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising an inner layer and an outer layer, the inner layer comprising a presintered metal or alloy and the outer layer comprising particles disposed in a metal or alloy matrix.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 30, 2013
    Applicant: Kennametal Inc.
    Inventors: Qingjun Zheng, Piyamanee Komolwit, Yixiong Liu, Jim Faust, Jonathan Bitler, Srinivasarao Boddapati
  • Patent number: 8449991
    Abstract: Polycrystalline diamond compacts for use in artificial joints achieve reduced corrosion and improved biocompatibility through the use of solvent metal formulations containing tin and through the control of solvent metal pore size, particularly in inner layers of the compact. Solvent metal formulations containing tin have been discovered which provide sintering ability, part strength, and grind resistance comparable to levels achieved by using CoCrMo solvent metals. It has been discovered that limiting the solvent metal pore size in the diamond layers minimizes or eliminates the occurrence of micro cracks in the solvent metal and significantly reduces the corrosion of the compact as manifested by the release of heavy metal ions from the compact. Polycrystalline diamond compacts which utilize both the solvent metal formulations containing tin and the control of pore sizes achieve significantly reduced corrosion and improved biocompatibility compared to prior art polycrystalline diamond compacts.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: May 28, 2013
    Assignee: Dimicron, Inc.
    Inventors: Clayton F. Gardinier, Alfred S. Despres, Troy J. Medford, Tim Bunton
  • Patent number: 8449993
    Abstract: Articles coated with wetting resistant materials are presented. One embodiment is an article comprising a substrate and a coating having low surface connected porosity disposed on the substrate. The coating comprises an oxide, which comprises aluminum, yttrium, and at least one rare earth element according to the following atomic proportions: (RxY1-x)3Al5O12 where x is in the range from about 0.001 to about 0.999, and where R is at least one of the rare earth elements, Y is yttrium, O is oxygen, and Al is aluminum.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: May 28, 2013
    Assignee: General Electric Company
    Inventors: Molly Maureen Gentleman, James Anthony Ruud
  • Publication number: 20130115475
    Abstract: The method for the production of an element subject to wear, comprising a metal matrix and at least a core of hard material. The method provides a first step in which a temporary aggregation structure is prepared with at least partly open pores, which volatilize or in any case eliminate at least partly when subjected to heating. A second step in which, on the whole internal and external surface of said temporary aggregation structure, a liquid mixture of a binder with metal powders which contain hard elements or their precursors is uniformly distributed. A third step in which the temporary aggregation structure is deteriorated by means of a thermal action of controlled heating, so as to take at least part of the temporary aggregation structure to evaporation, rendering free a volume inside the core, and to consolidate the mixture according to the conformation of the temporary aggregation structure. A fourth step in which the core is disposed in a mold so as to only partly occupy the free volume of the mold.
    Type: Application
    Filed: July 8, 2011
    Publication date: May 9, 2013
    Applicant: F.A.R. - FONDERIE ACCIAIERIE ROIALE - SPA
    Inventors: Alberto Andreussi, Primo Andreussi, Enrico Veneroso, Eddy Pontelli
  • Patent number: 8277885
    Abstract: A kind of electrically conductive foam for preventing an electronic component from electro-magnetic interference includes the following compositions: electrically conductive material accounting for about 5% to about 10% by weight; plastic material accounting for about 10% to about 16% by weight; propellant accounting for about 65% to about 75% by weight; surfactant accounting for about 0.5% to about 4% by weight; and auxiliary material accounting for about 4% to about 5% by weight.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: October 2, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chao-Jui Huang
  • Publication number: 20120183799
    Abstract: A composite structure includes a substrate with pores of a first mean pore size and a coating on at least one surface of that substrate. This coating has pores of a second mean pore size where the first mean pore size is equal to or greater than said second mean pore size. When the pore size of the coating is effective to capture particulate greater than 0.2 micron, the composite may be formed into a filter effective to remove microbes from a fluid medium. One method to form the porous coating on the substrate includes: (1) forming a suspension of sinterable particles in a carrier fluid and containing the suspension in a reservoir; (2) maintaining the suspension by agitation; (3) transferring the suspension to an ultrasonic spray nozzle; (4) applying a first coating of the suspension to the substrate; and (5) sintering the sinterable particles to the substrate.
    Type: Application
    Filed: February 2, 2012
    Publication date: July 19, 2012
    Applicant: MOTT CORPORATION
    Inventors: James K. Steele, Wayne F. White, Alfred M. Romano, Kenneth L. Rubow
  • Publication number: 20120103135
    Abstract: A powder metal composite is disclosed. The powder metal composite includes a substantially-continuous, cellular nanomatrix comprising a nanomatrix material. The compact also includes a plurality of dispersed particles comprising a particle core material that comprises Mg, Al, Zn or Mn, or a combination thereof, dispersed in the nanomatrix, the core material of the dispersed particles comprising a plurality a plurality of distributed carbon nanoparticles, and a bond layer extending throughout the nanomatrix between the dispersed particles. The nanomatrix powder metal composites are uniquely lightweight, high-strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components.
    Type: Application
    Filed: October 27, 2010
    Publication date: May 3, 2012
    Inventors: Zhiyue Xu, Soma Chakraborty, Gaurav Agrawal
  • Publication number: 20120099973
    Abstract: A low density abradable coating for use as a seal material is formed by depositing a metal bond coat followed by depositing a low density, porous, abradable metal seal layer on the bond coat. The seal layer is formed by co-depositing metallic sponge particles and metal precursor particles. The metal precursor particles decompose during heat treatment leaving fine pores distributed throughout the microstructure.
    Type: Application
    Filed: October 25, 2010
    Publication date: April 26, 2012
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Patent number: 8124245
    Abstract: A direct metal laser sintered material including a substrate formed from a laser sintering process, the substrate having at least one surface, and a cladding material brazed onto at least a portion of the surface.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: February 28, 2012
    Assignee: General Electric Company
    Inventors: David Edwin Budinger, Ronald Lance Galley, Ashwin Sreekant Raghavan, David Allen Kastrup
  • Publication number: 20110305917
    Abstract: A powder-metallurgical body and a method for producing such a body. The powder-metallurgical body is formed with a seating base for seating a sealing element to produce a seal with respect to fluids, such as liquids and/or gases. The body is redensified in a low region of the seating base.
    Type: Application
    Filed: February 24, 2010
    Publication date: December 15, 2011
    Applicant: PMG FUESSEN GMBH
    Inventor: Rudolf Mineif
  • Patent number: 8076007
    Abstract: A multilayered sliding member has a resin composition filled in pores of, and coated on the surface of, a porous sintered metal layer 2 formed on the surface of a metallic backing plate 1. The resin composition is formed by compounding a phosphate, a carbon black, a melt moldable fluororesin, and a PTFE serving as a principal component, and is preferably formed by further containing graphite and/or a low molecular weight PTFE.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: December 13, 2011
    Assignee: Oiles Corporation
    Inventors: Sumihide Yanase, Toshihiko Sekine, Masafumi Kugo
  • Patent number: 8067096
    Abstract: There is provided an electrode material for electrolytic capacitor that attains an unprecedentedly high capacitance. The electrode material for electrolytic capacitor comprises a layer of valve metal particles furnished on the surface thereof with an oxide film, the layer having a porosity of 20 to 60% and a specific surface area of 30×103 to 400×103 cm2/cm3, wherein the valve metal particles are mixed together, with the particle diameters exhibiting a given distribution at least within the range of 0.005 to 0.1 ?m, and form a base material surface, and wherein the valve metal consists of aluminum, and wherein the composition ratio of Al/O of the layer of valve metal particles furnished on the surface thereof with the oxide film is within the range of 2.0 to 5.5. The electrode material thus realizes high capacitance.
    Type: Grant
    Filed: March 31, 2007
    Date of Patent: November 29, 2011
    Assignee: Nippon Chemi-Con Corporation
    Inventors: Takeshi Makino, Masahiko Shinohara, Takeshi Kageyama
  • Publication number: 20110262763
    Abstract: A method for the manufacture of a multilevel metal part, the method including the steps of: a) compacting agglomerated spherical metal powder to a green multilevel preform such that an open porosity exists, wherein the green multilevel preform fulfils the relation zg=zHVC·a, b) debinding the green preform, c) sintering the green preform in an atmosphere including hydrogen, d) compacting the green preform with high velocity compaction to a density of at least 95% TD, e) subjecting the part to densification to a density of at least 99% TD. There is further provided a multilevel metal part. Advantages of the method include that it is possible to manufacture a multilevel part which is essentially uniform throughout the entire part and which has excellent tolerance, which at the same time has virtually full density and thereby having excellent mechanical properties as well as excellent corrosion properties.
    Type: Application
    Filed: January 8, 2010
    Publication date: October 27, 2011
    Inventor: Christer Åslund
  • Patent number: 7968144
    Abstract: A system for forming a surface coating on an outer surface of a foam for use with cooling system of turbine engines. The system may include removing filler from the outer surface of the foam to expose a porous structure of the foam, whereby portions of the porous structure extend outwardly from a newly formed outer surface of the filler. A surface layer may be applied to the outer surface of the filler and exposed portions of the porous structure, whereby the surface layer is attached to the porous structure at least in part due to mechanical interaction with the portions of the porous structure extending outwardly from the newly formed outer surface of the filler. The filler material may then be removed from the porous structure.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: June 28, 2011
    Assignee: Siemens Energy, Inc.
    Inventors: Allister W. James, Douglas J. Arrell
  • Publication number: 20110148064
    Abstract: A multilayered sliding member 51 includes: a backing plate 52 formed of a steel plate; a porous metal sintered layer 53 formed integrally on the surface of the backing plate 52; and a sliding layer 54 constituted of a synthetic resin composition filling pores of, and coating the surface of, the porous metal sintered layer 53, the synthetic resin composition being composed of 5 to 30% by weight of a barium sulfate, 1 to 15% by weight of a magnesium silicate, 1 to 25% by weight of a phosphate, 0.5 to 3% by weight of a titanium oxide, and the balance of a polytetrafluoroethylene resin.
    Type: Application
    Filed: August 26, 2009
    Publication date: June 23, 2011
    Inventors: Sumihide Yanase, Takashi Nakamaru, Tadashi Watai, Satoshi Takamura, Eiichi Yamashita
  • Publication number: 20110151270
    Abstract: Methods of laser assisted plasma coating at atmospheric pressure including providing a plasma, at least one target, at least one laser, and a superalloy substrate, operably directing the laser toward the target to liberate atomic particles from the target and feed the atomic particles into the plasma, and depositing the atomic particles onto the superalloy substrate using the plasma to produce a thermal barrier coating having a column width of from about 0.5 microns to about 60 microns, and an intra column porosity of from about 0% to about 9%.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Inventors: Todd Jay Rockstroh, David N. Ruzic, Bhupendra Kumar Gupta, Nripendra Nath Das
  • Patent number: 7935430
    Abstract: A bonding structure and method of manufacturing the same are provided. The bonding structure of a substrate and a component include an electrode formed of metal powder and a resin component on the substrate. A low melting point solder that bonds the component to the electrode. The metal powder contains at least spherical metal powder and flake metal powder. The low melting point solder is infiltrated from the surface of the electrode into the electrode.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: May 3, 2011
    Assignee: Alps Electric Co., Ltd.
    Inventors: Hiroki Suzuki, Masato Uehara
  • Publication number: 20110097593
    Abstract: (Task) A PTFE-based sliding material, wherein the porous sintered layer on the surface of backing metal is impregnated with baked PTFE, and occasionally, with one or both of the solid lubricant and wear-resistant additive together with fibrous PTFE, is used for a bearing of air-conditioner. Resistance of the bearing for local wear is required. Such wear resistance is to be enhanced. (Solution Means) Carbides of oligomer or polymer 2 are incorporated in the entangled structure of fibrous PTFE 1.
    Type: Application
    Filed: October 26, 2009
    Publication date: April 28, 2011
    Applicant: TAIHO KOGYO CO., LTD.
    Inventors: Masaru Yoshikawa, Akira Sawamoto, Hiroshi Ueda
  • Publication number: 20110083909
    Abstract: Diamond bonded construction comprise a diamond body attached to a support. In one embodiment, an initial substrate used to sinter the body is interposed between the body and support, and is thinned to less than 5 times the body thickness, or to less than the body thickness, prior to attachment to the support to relieve stress in the body. In another embodiment, the substrate is removed after sintering, and the body is attached to the support. The support has a material construction different from that of the initial substrate, wherein the initial substrate is selected for infiltration and the support for end use properties. The substrate and support include a hard material with a volume content that may be the same or different. Interfaces between the body, substrate, and/or support may be nonplanar. The body may be thermally stable, and may include a replacement material disposed therein.
    Type: Application
    Filed: October 12, 2010
    Publication date: April 14, 2011
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Yuelin Shen, Youhe Zhang
  • Publication number: 20110027603
    Abstract: An article of manufacture comprises a carbon-containing matrix. The carbon-containing matrix may comprise at least one type of carbon material selected from the group comprising graphite crystalline carbon materials, carbon powder, and artificial graphite powder. In addition, the carbon-containing matrix comprises a plurality of pores. The article of manufacture also comprises a metal component comprising Al, alloys of Al, or combinations thereof. The metal component is disposed in at least a portion of the plurality of pores. Further, the article of manufacture comprises an additive comprising at least Si. At least a portion of the additive is disposed in an interface between the metal component within the pores and the carbon-containing matrix. The additive enhances phonon coupling and propagation at the interface.
    Type: Application
    Filed: December 2, 2009
    Publication date: February 3, 2011
    Applicant: Applied Nanotech, Inc.
    Inventors: Zvi Yaniv, Igor Pavlovsky, Nan Jiang, James P. Novak, Richard Fink, Mohshi Yang, Dongsheng Mao, Samuel Kim
  • Patent number: 7854996
    Abstract: A conventional Bi-containing sliding material sometimes underwent seizing in a sliding part operating at a high rotational speed. The present invention provides a sliding material which does not undergo seizing in a sliding part operating at a high rotational speed and a method for its manufacture. A low melting point alloy containing at least 20 mass % of Bi and having a liquidus temperature of at most 200° C. is made to penetrate into a porous portion comprising a Cu—Sn based alloy. A Bi—Sn based alloy or a Bi—In based alloy is suitable as the low melting point alloy. After a low melting point alloy paste is applied to a porous portion, the low melting point alloy is melted and made to penetrate into the porous portion.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: December 21, 2010
    Assignee: Senju Metal Industry Co., Ltd.
    Inventors: Issaku Sato, Sinzo Nakamura, Naoki Sato, Toshio Hakuto
  • Patent number: 7812062
    Abstract: Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various applications are disclosed. Further described is use of the foams and structures and articles made of same in absorption, filtration, insulation, cushioning and backing applications, and in particular for odor removal, hygiene and medical applications due to, among other properties, good absorption capabilities, softness and/or flexibility of the foams and their recyclable nature.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: October 12, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Gary M. Strandburg, Mark W. VanSumeren, Shaofu Wu, Luther E. Stockton
  • Publication number: 20100221567
    Abstract: A direct metal laser sintered material including a substrate formed from a laser sintering process, the substrate having at least one surface, and a cladding material brazed onto at least a portion of the surface.
    Type: Application
    Filed: May 7, 2010
    Publication date: September 2, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: David Edwin Budinger, Ronald Lance Galley, Ashwin Sreekant Raghavan, David Allen Kastrup
  • Patent number: 7776449
    Abstract: A composite article that can be used as a substrate for coated conductors is disclosed. The composite substrate has at least three layers in which one or more inner layers of Ni—W alloys with 9 at. %-13 at. % W and two outer layers of Ni—W alloys with 3 at. %-9 at. % W. The content of W element gradually decreases from the inner layers to the outer layers. The composite substrate can be prepared using a process of designing and sintering composite ingot, rolling composite ingot and then annealing composite substrate. The composite substrate have a dominant cube texture on the outer layer of the whole substrate which have a weaker magnetism and higher strength than that of a single Ni-5 at. % W alloy substrate.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: August 17, 2010
    Assignee: Beijing University of Technology
    Inventors: Hongli Suo, Min Liu, Yue Zhao, Meiling Zhou, Lin Ma, Tieyong Zuo
  • Publication number: 20100197534
    Abstract: In a multilayered sintered sliding member, a porous sintered alloy layer comprising 3 to 10 wt. % of an Sn component, 10 to 30 wt. % of an Ni component, 0.5 to 4 wt. % of a P component, 30 to 50 wt. % of an Fe component, 1 to 10 wt. % of a high-speed tool steel component, 1 to 5 wt. % of a graphite component, and 20 to 55 wt. % of a copper component is integrally diffusion-bonded to a backing plate.
    Type: Application
    Filed: July 30, 2008
    Publication date: August 5, 2010
    Inventors: Takayuki Yuasa, Masaya Yorifuji, Tomoyuki Yamane, Shinya Nishimura
  • Patent number: 7682704
    Abstract: 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 sintered.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: March 23, 2010
    Assignee: Southco, Inc.
    Inventor: Ratnesh K. Dwivedi
  • Patent number: RE46658
    Abstract: This invention is directed to a composite laminate comprising in order (a) a flame retardant polymeric moisture barrier (b) an inorganic platelet layer and (c) a flame retardant thermoplastic film layer The invention is also directed to a thermal insulation and acoustic blanket comprising a core of fibrous material or foam surrounded by the above composite laminate wherein the thermoplastic film layer of the composite laminate contacts and encapsulates the core.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: January 2, 2018
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Llewellyn Bentley Richardson, III, Warren Francis Knoff, Jian Wang
  • Patent number: RE46859
    Abstract: This invention is directed to a composite laminate comprising in order (a) a flame retardant polymeric moisture barrier (b) an inorganic platelet layer and (c) a flame retardant thermoplastic film layer The invention is also directed to a thermal insulation and acoustic blanket comprising a core of fibrous material or foam surrounded by the above composite laminate wherein the thermoplastic film layer of the composite laminate contacts and encapsulates the core.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 22, 2018
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Llewellyn Bentley Richardson, III, Warren Francis Knoff, Jian Wang