Next To Each Other Patents (Class 428/555)
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Patent number: 5163220Abstract: A method is provided of enhancing the electrical conductivity of indium-toxide electrode stripes in thin film electroluminescent display panels by using an electronic grade glass substrate for the thin film electroluminescent display panels and by the incorporation of a narrow and thick metal bus bar of high electrical conductivity trenched into and coplanar with the surface of the glass substrate and in electrical continuity with the indium-tin-oxide electrode.Type: GrantFiled: October 9, 1991Date of Patent: November 17, 1992Assignee: The Unites States of America as represented by the Secretary of the ArmyInventors: Robert J. Zeto, Otto J. Gregory, Richard C. Piekarz
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Patent number: 5017553Abstract: A superconductor is made, having a core (10) of superconducting material, enclosed by a contacting metallic sheath (12), where the sheath (12) contains a layer of Ag-Pd alloy with interdispersed, discrete particles of a metal selected from the group consisting of W, Mo, Ni and their mixtures.Type: GrantFiled: January 25, 1990Date of Patent: May 21, 1991Assignee: Westinghouse Electric Corp.Inventors: Graham A. Whitlow, Natraj C. Iyer
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Patent number: 4999257Abstract: The Cu system bearing material is disclosed, which comprises a backing material consisting of a steel strip, a sintered alloy layer formed on the backing material by sintering metal or alloy particles, and a bearing layer formed on the sintered alloy layer. The sintered alloy layer consists of a sintered alloy containing 14% to 20% by weight of Pb and 4% to 10% by weight of Sn with the remainder being Cu. This bearing material exhibits satisfactory fatigue strength and a wear-resistant property under high-load high-frictional-speed conditions.Type: GrantFiled: February 1, 1989Date of Patent: March 12, 1991Assignee: NDC Company Ltd.Inventor: Kiyoshi Imai
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Patent number: 4959274Abstract: A multilayered iron-copper-lead alloy bearing material in the form of a bimetal, comprising a steel backing plate, an iron-copper-lead type sintered alloy layer whose major components is iron, a copper plating layer of a thickness of 2 to 20 .mu.m disposed between the steel backing plate and the iron-copper-lead type sintered alloy layer.Type: GrantFiled: August 21, 1989Date of Patent: September 25, 1990Assignee: Daido Metal Company, Ltd.Inventors: Sanae Mori, Masaaki Sakamoto, Koichi Yamamoto, Kenji Sakai
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Patent number: 4942098Abstract: To obtain an anticorrosive Fe-B-R type permanent magnet; in particular, to reduce deterioration rate of the initial magnetic properties below 10% after the magnet has been kept at 80.degree. C. in 90% relative humidity for 500 hours, the surface of the sintered permanent magnet is coated with metallic coating film layers of at least one noble metal layer and at least one base metal layer disposed on the noble metal layer. Diffusion heat treatment further improves the adhesiveness of the coating film layers.Type: GrantFiled: March 24, 1988Date of Patent: July 17, 1990Assignees: Sumitomo Special Metals, Co., Ltd., Toda Kogyo Corp.Inventors: Atsushi Hamamura, Takaki Hamada, Hiroko Nakamura, Tomoyuki Imai, Toshiki Matsui, Nanao Horiishi
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Patent number: 4916026Abstract: Sliding layers overlays produced by cathode sputtering comprise a matrix-forming metallic material and at least one other material which is substantially insoluble in the matrix have greatly improved mechanical and corrosion resistance properties, if the insoluble material has a lower melting point than the matrix material, and if the diameters of the particles of the insoluble material are statistically normally distributed with mean x<0.8 .mu.m. Such overlays are produced with the temperature of the substrate maintained below 150.degree. C. during the sputtering process. Coating rates of >0.2 .mu.m [of layer thickness] per minute may be used informing such overlays.Type: GrantFiled: July 10, 1987Date of Patent: April 10, 1990Assignee: Balzers AktiengesellschaftInventors: Erich Bergmann, Harald Pfestorf, Jurgen Braus
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Patent number: 4906528Abstract: A cutting element of flat shape suitable for use as a drill tip comprises a central abrading blade containing more than 80% vol. CBN sandwiched between two lateral support layers. The lateral layers consist of a refractory metal or alloy selected from the group consisiting of tungsten, titanium and alloys thereof. The compact may particularly have a roof or pentagonal shape. An intermediate transition film may be located between the refractory metal or alloy and the CBN blade.Type: GrantFiled: July 7, 1989Date of Patent: March 6, 1990Assignee: Societe Industrielle De Combustible NucleaireInventors: Jean M. Cerceau, Yves Boyat
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Patent number: 4889686Abstract: A composite is produced by depositing a slurry of infiltration-promoting material and organic binding material on a layer of boron nitride coated fibrous material forming a tape therewith on drying, firing the tape to burn out organic binding material and infiltrating the resulting porous body with a solution of boron and silicon.Type: GrantFiled: February 17, 1989Date of Patent: December 26, 1989Assignee: General Electric CompanyInventors: Raj N. Singh, Achuta R. Gaddipati
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Patent number: 4863804Abstract: Superconductor wire, and methods of constructing same, including one or more filaments formed of submicron-particle superconductor powder each surrounded by an encapsulating sheath having a composite wall. The composite wall includes a ductile outer skin surrounding a relatively harder, higher yield strength inner wall portion. The harder, higher strength inner wall portion improves dimensional uniformity of the filaments as the wire is fabricated, with the potential for enhanced superconducting performance, while the ductile outer skin enhances metallurgical bonding between the outer skins of adjacent filaments, to ensure a homogenous, thermally conductive and normally electrically conductive matrix.Type: GrantFiled: November 29, 1985Date of Patent: September 5, 1989Assignee: Westinghouse Electric CorporationInventors: Graham A. Whitlow, Alan T. Male, Aleksander I. Braginski
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Patent number: 4859036Abstract: A device plate is provided which comprises a transparent conductive film comprised of indium oxide, and laminated thereon a metallic conductive film comprised of at least one metal selected from the group consisting of molybdenum, titanium, chromium, tantalum, tungsten and nickel.Type: GrantFiled: May 12, 1988Date of Patent: August 22, 1989Assignee: Canon Kabushiki KaishaInventors: Fumie Yamanaka, Takashi Enomoto, Toshifumi Yoshioka
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Patent number: 4761345Abstract: There is disclosed an aluminum nitride substrate which comprises a substrate composed of an aluminum nitride sintered product; an electroconductive metallized layer composed of titanium nitride and at least one selected from the group consisting of molybdenum, tungsten, tantalum, an element in group III of the periodic table, an element in group IVa of the same, a rare earth element, an actinide element and a compound containing these elements; and an electroconductive protective layer laminated in this order on the aluminum nitride sintered product.Type: GrantFiled: February 20, 1987Date of Patent: August 2, 1988Assignee: Kabushiki Kaisha ToshibaInventors: Hideki Sato, Nobuyuki Mizunoya, Mitsuhiro Nagata
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Patent number: 4635842Abstract: A metallurgical bond at the interface between an aluminum-lithium core alloy and a metallic liner is achieved by first forming a mechanical bond along the interface between the core and liner under moderated temperature and reduction conditions, and then heating the composite without simultaneous reduction to cause diffusion of the elements across the core-liner interface. The result is a metallurgical bond securing the layers together to form a composite which can be worked, shaped, and fabricated by normal reduction techniques into a full range of products without the discoloration and fouling problems otherwise typical of aluminum-lithium alloys.Type: GrantFiled: January 24, 1985Date of Patent: January 13, 1987Assignee: Kaiser Aluminum & Chemical CorporationInventor: William R. Mohondro
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Patent number: 4594293Abstract: A clad material which is characterized by interposing, between two or more materials to be clad, an intermediate substance comprising one or more kinds of metallic fine powders having improvement properties of adhesive strength.Type: GrantFiled: March 27, 1985Date of Patent: June 10, 1986Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventor: Toru Kawauchi
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Patent number: 4503130Abstract: Structure coated with graded ceramic material and methods of coating application are disclosed. Techniques for maintaining low stress to strength ratios across the depth of the coating are discussed.In one particular structure the coating is applied to a metal substrate (12) and comprises a metallic bond coat (14), a first interlayer (16) of metal/ceramic material, a second interlayer (18) of metal/ceramic material having an increased proportion of ceramic and an all ceramic layer. Modulation of the metal substrate temperature during the coating process establishes a desired residual stress pattern in the part.Type: GrantFiled: March 10, 1983Date of Patent: March 5, 1985Assignee: United Technologies CorporationInventors: George S. Bosshart, Alfred P. Matarese
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Patent number: 4495252Abstract: A wear-resistant metallic article is provided which comprises a metallic substrate, a barrier layer of a metal selected from the group consisting of nickel, alloys of nickel, copper and alloys of copper on a surface of the metallic substrate and a layer of wear-resistant material bonded to the substrate, with the wear-resistant material including a mixture of nickel aluminide in a copper base matrix.Type: GrantFiled: January 16, 1980Date of Patent: January 22, 1985Assignee: Imperial Clevite Inc.Inventors: James W. O'Brien, Frank Spevak
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Patent number: 4454205Abstract: A method for making a drill bit and product resulting therefrom in which carbide elements are coated with carbide and nitride materials such as those of titanium as by chemical vapor deposition after which the elements are cast in molten steel.Type: GrantFiled: October 9, 1981Date of Patent: June 12, 1984Assignee: ESCO CorporationInventors: Ronald R. Miller, William R. Barber, Jr., David A. Hampel, James E. Ault
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Patent number: 4430386Abstract: A composite metal sintered article combining a metal shell which has been electroformed and/or electroless plated and/or vapor deposited, positioned inside or outside of a metal sintered compact. A method of making the composite metal sintered article using both a powder metallurgy process and a surface treating process. This composite metal sintered article has excellent surface properties and high dimensional accuracy and is favorably used for many kinds of forming molds, dies and structural members, especially for press molds in making glassware.Type: GrantFiled: December 8, 1980Date of Patent: February 7, 1984Assignee: Toyo Kohan Co., Ltd.Inventors: Tadao Watanabe, Mitsuo Ohhori, Akio Ohta, Yoshikazu Kondo
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Patent number: 4379811Abstract: A tubular filler rod or filler wire the metal sheath of which is composed of two members, to wit, an outer seamless tube and an inner tube consisting of a strip bent into tube shape and confining a compacted powder core. Also, a method of manufacturing a tubular, powder-cored filler rod or filler wire in which a metal strip is bent to form a trough which first is fitted with a powder composition and then closed to form a tube enclosing a core of the powder composition; the tube is slid into a second, seamless tube which is then submitted to a cold-drawing operation.Type: GrantFiled: April 27, 1978Date of Patent: April 12, 1983Assignee: ESAB AktiebolagInventors: Manfred Puschner, Herbert Gerdau
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Patent number: 4371590Abstract: A magnetic recording medium having multi-layer structure of two or more thin metallic layers on a substrate. The orientations of metallic particles are different for each of said thin metallic layers.Type: GrantFiled: December 5, 1980Date of Patent: February 1, 1983Assignee: TDK Electronics Co., Ltd.Inventors: Toshiaki Izumi, Seitoku Saito, Fumio Maruta, Minoru Kameya
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Patent number: 4248921Abstract: Method for producing an electrically conductive and solderable structure along with the resulting article are disclosed. The method comprises admixing metal particles, metal salts and an organic polymer binder as a paste which is applied to a non-conductive substrate by printing or the like. The paste is heated to permit metal salts to migrate to the surface of the binder where they become concentrated. During metallizing the salts are removed by the bath and metal is deposited in pores formed in the binder by the dissolved salts. The metal layer is adherent to the binder and provides good solderable points.Type: GrantFiled: June 23, 1978Date of Patent: February 3, 1981Inventors: Wolf-Erhard Steigerwald, Peter Ambros, Erich Gatzke
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Patent number: 4246218Abstract: The invention concerns a process for the manufacture of pieces comprising least one part of an abradable, porous material, which may be integral with a support part. The process is characterized in that synthesis by diffusion of the abradable material is effected in a mold, at least one part of which constitutes the support piece.Type: GrantFiled: July 23, 1979Date of Patent: January 20, 1981Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'AviationInventor: Jacques Lesgourgues
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Patent number: 4188603Abstract: A sintered powdered aluminum core for an inductor used in the tuning stages of high frequency equipment is disclosed. Such cores have threads ground on them having sharp thread profiles, as opposed to the flat thread profiles produced by screw machines, and plating the cores produces superior electrical properties.Type: GrantFiled: July 26, 1978Date of Patent: February 12, 1980Assignee: Permacor, Inc.Inventor: Peter A. Tsoutsas
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Patent number: 4152998Abstract: A method of forming a snap-acting thermally responsive bimetallic actuator comprising forming, from sheet bimetal, a member having an aperture with an arcuate outer perimeter and an inner perimeter defining a tongue free at one end, said free end being close to the outer perimeter, the outer and inner perimeters smoothly merging at rounded ends of the aperture adjacent the tongue root, and the radial width of the member at the tongue root being substantially greater than the width opposite the free end of the tongue. The formed member is thereafter pressed between a die shaped to a domed configuration and an incompressible rubber pad to impart a domed configuration to the member.Type: GrantFiled: October 26, 1976Date of Patent: May 8, 1979Inventor: John C. Taylor
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Patent number: 4144629Abstract: A composite metallic article for effecting a seal with glass, said article comprising a nickel-iron alloy core portion, a low carbon steel alloy sheath portion bonded to the core, and a uniformly thick shell portion of a glass-wetting material bonded about the sheath. A method for making the article is also disclosed.Type: GrantFiled: December 8, 1977Date of Patent: March 20, 1979Assignee: GTE Sylvania IncorporatedInventors: Paul M. Phillips, John G. Donaldson
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Patent number: 4071658Abstract: A composite metallic article for effecting a seal with glass, said article comprising a nickel-iron alloy core portion, a low carbon steel alloy sheath portion bonded to the core, and a uniformly thick shell portion of a glass-wetting material bonded about the sheath. A method for making the article is also disclosed.Type: GrantFiled: December 3, 1976Date of Patent: January 31, 1978Assignee: GTE Sylvania IncorporatedInventors: Paul Millard Phillips, John Gleason Donaldson
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Patent number: 4036600Abstract: A composite zinc-aluminum dispersion plated steel sheet and a method of producing same are disclosed. The plated steel sheet comprises an electrolytical zinc plated layer containing 1.5 to 70% by weight of aluminum dispersed therein. The method comprises adding aluminum powder to an electrolytical zinc plating bath composition, dispersing the aluminum powder into the plating bath to provide a composite zinc-aluminum dispersion plating bath, and electrolytical treating a steel sheet in the composite zinc-aluminum dispersion plating bath while agitating it. The plated steel sheet enhances corrosion resistances and does not show any spangles which impair the appearances after subsequent painting of the plated steel sheet.Type: GrantFiled: May 27, 1976Date of Patent: July 19, 1977Assignee: Kawasaki Steel CorporationInventors: Hajime Kimura, Takahisa Yoshihara, Shunichi Harada
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Patent number: 4031274Abstract: An article having an outer surface and an inner cavity, such as a hole or channel with a metallic inner surface, is provided with an inner metallic coating on the inner surface and, in one form, an outer metallic coating on the outer surface. The inner coating is provided as a result of decomposition and subsequent thermal homogenization of one or more organic compounds including Al, Cr or Ni or alloys including one or more of those elements. The outer coating can be the same as the inner coating or can be a metallic coating of one of a variety of known metallic coatings.Type: GrantFiled: October 14, 1975Date of Patent: June 21, 1977Assignee: General Electric CompanyInventor: Irwin I. Bessen