Thickness Of Individual Layer Specified Patents (Class 428/926)
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Patent number: 4337300Abstract: The surface-coated blade member for cutting tools comprises a metal substrate and a coating on at least one surface of said substrate, said coating composed of a layer of vapor deposited titanium on the surface of said metal substrate and at least one layer of vapor deposited titanium compound on said layer of titanium, and said layer of titanium compound being selected from the group consisting of titanium carbide, titanium nitride, titanium carbonitride, titanium oxy-carbide and titanium oxy-carbo-nitride, said layer of titanium being no larger than 2 .mu.m thick and said layer of titanium compound being 0.5 to 10 .mu.m thick. A process for producing such a blade member is also disclosed.Type: GrantFiled: August 8, 1980Date of Patent: June 29, 1982Assignee: Mitsubishi Kinzoku Kabushiki KaishaInventors: Takeshi Itaba, Shotaro Matsumoto
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Patent number: 4329402Abstract: Novel micro-throwing alloy undercoatings, multi-layer coatings containing a novel micro-throwing alloy undercoating and method of improving the corrosion resistance of ferrous metal articles are provided in accordance with the invention. The novel micro-throwing alloy undercoatings are applied as an initial layer over ferrous metal and comprise a layer of alloy having micro-throwing power, such as nickel-cadmium, nickel-zinc, iron-cadmium, iron-zinc, cobalt-cadmium, cobalt-zinc or a ternary or quaternary alloy containing iron, nickel or cobalt in combination with cadmium or zinc. The method comprises application, preferably by electroplating, of a layer of novel micro-throwing alloy undercoating directly over ferrous metal, optionally followed by one or more layers of metallic or organic coatings which further contribute to improved corrosion resistance.Type: GrantFiled: September 25, 1979Date of Patent: May 11, 1982Assignee: Whyco Chromium Co., Inc.Inventors: Jacob Hyner, Stephen Gradowski, Thomas F. Maestrone
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Patent number: 4327967Abstract: A heat-reflecting panel having a neutral-color outer appearance has a transparent film support, such as a glass pane, an interference film having a refractive index >2 disposed on the support, a heat reflecting gold film of a thickness of 70-105 A disposed on the side of the interference film remote from the support, and neutralization film formed from chromium, iron, nickel, titanium or alloys thereof, or an alloy of chromium, aluminium and iron, the neutralization film disposed on the side of the gold film remote from the interference film.Type: GrantFiled: June 11, 1980Date of Patent: May 4, 1982Assignee: BFG GlassgroupInventor: Rolf Groth
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Patent number: 4328286Abstract: The invention provides a method of electrodepositing palladium on a substrate e.g. an electrical switch contact, to give a coating having low transverse porosity and good slip wear resistance. The method involves electrodepositing a first layer from an alkaline bath containing a cationic palladium ammine complex and then electrodepositing on the first layer a second layer from an acid bath containing an anionic palladium nitrite complex.Type: GrantFiled: April 4, 1980Date of Patent: May 4, 1982Assignee: The International Nickel Co., Inc.Inventor: Jeffrey N. Crosby
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Patent number: 4321311Abstract: A coated article and method for producing the coated article are described. The article is coated with a system which provides protection against oxidation and corrosion and which significantly reduces the substrate temperature. An MCrAlY layer is applied to the article to be protected and a columnar grain ceramic is applied by vapor deposition to the MCrAlY coated article. An alumina layer which exists between the MCrAlY layer and the columnar ceramic layer provides for the adherence of the columnar layer to the MCrAlY layer.Type: GrantFiled: January 7, 1980Date of Patent: March 23, 1982Assignee: United Technologies CorporationInventor: Thomas E. Strangman
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Patent number: 4321310Abstract: A coated article and method for producing the coated article are described. The article is coated with a system which provides protection against oxidation and corrosion and which significantly reduces the substrate temperature. An MCrAlY layer is applied to the article to be protected and a columnar grain ceramic is applied by vapor deposition to the MCrAlY coated article. An alumina lyaer which exists between the MCrAlY layer and the columnar ceramic layer provides for the adherence of the columnar layer to the MCrAlY layer. An important feature of the invention is that the interface between the MCrAlY layer and the alumina layer has a low surface roughness and this greatly improves the columnar ceramic layer adherence.Type: GrantFiled: January 7, 1980Date of Patent: March 23, 1982Assignee: United Technologies CorporationInventors: Nicholas E. Ulion, Duane L. Ruckle
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Patent number: 4298661Abstract: A surface treated steel materials coated with manganese having a film of MmOOH (manganic hydroxide) formed thereon, which show excellent corrosion resistance, workability and weldability. The surface treated steel materials may be further coated with zinc as a base coating underlying the manganese coating or further coated with a coating of at least one selected from the group consisting of P, B, Si, Cu, Mn, Cr, Ni, Co, Fe, Zn, Al, Ca, Mg, Ti, Pb, Sn, inorganic carbon and their compounds and still further coated with an organic coating. The film of MmOOH (manganic hydroxide) is formed by a treatment in an aqueous solution containing Cr.sup.6+.Type: GrantFiled: June 1, 1979Date of Patent: November 3, 1981Assignee: Nippon Steel CorporationInventors: Teruo Ikeno, Satoshi Kado, Saburo Ayusawa, Hironobu Kawasaki, Takashi Watanabe
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Patent number: 4292377Abstract: A novel laminated composite material of gold-colored appearance especially suited for, but not limited to, coinage applications has a ferromagnetic core located between sheathing layers of a Cu-Al or Cu-Ni-Al alloy and separated therefrom by layers of copper. Alternative methods involving hot and/or cold rolling techniques are provided for the production of the novel laminates.Type: GrantFiled: January 25, 1980Date of Patent: September 29, 1981Assignee: The International Nickel Co., Inc.Inventors: Walter A. Petersen, Jonathan A. Travis, Frank A. Badia
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Patent number: 4291104Abstract: An improved brazed construction and method for fabrication of equipment having a corrosion resistant liner on a base metal backing is disclosed, and involves incorporating symmetrical convolutions in the liner normal to the direction of maximum thermal expansion.Type: GrantFiled: September 7, 1979Date of Patent: September 22, 1981Assignee: Fansteel Inc.Inventor: Hibbard G. Keifert
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Patent number: 4284688Abstract: Multi-layer, high-temperature corrosion protection coat for a corrodible metallic surface which comprises: (1) a first layer adjacent to the metallic surface comprising 1-15% zirconium, 10-30% chromium and remainder nickel; and (2) a second layer adjacent to said first layer comprising at least 60% chromium and remainder selected from the group consisting of iron, iron plus nickel and mixtures thereof. The protective coatings can be used in machine and appliance construction, particularly for components of thermal engines under high thermal and corrosive stress. They are resistant to sulfidization and oxidation.Type: GrantFiled: December 3, 1979Date of Patent: August 18, 1981Assignee: BBC Brown, Boveri & Company LimitedInventors: Albin Stucheli, Walter Trindler
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Patent number: 4279968Abstract: A blank suitable for minting to form a coin or similarly disc-shaped article has an appropriately disc-shaped steel core completely encased by a copper coating electroplated thereof. The blank is produced by electroplating a copper coating onto an appropriately disc-shaped steel core such that the copper coating completely encases the steel core.Type: GrantFiled: August 11, 1980Date of Patent: July 21, 1981Assignee: Sherritt Gordon Mines LimitedInventors: Michael J. H. Ruscoe, Kshitindra M. Sarkar, Maurice A. Clegg
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Patent number: 4273837Abstract: A method of plating a metallic substrate by coating said substrate with a specific metallic system; plating at least one metal onto the coating; and heating the coated and plated metallic substrate to a temperature that effects a bonding of said metallic substrate to said coating and the plated metal. The method is utilized to plate metals onto metal substrates; including substrates such as aluminum and zinc.Type: GrantFiled: November 22, 1976Date of Patent: June 16, 1981Assignee: Stauffer Chemical CompanyInventor: Miguel Coll-Palagos
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Patent number: 4269904Abstract: Manganese coated steel materials having a compact film of hydrated manganese oxide formed on the manganese coating by heating and drying. Manganese coated steel materials of the present invention show very excellent corrosion resistance in ordinary corrosive environments as well as special corrosive environments such as marine environments and young plant cultivation in mountaineous forests. For further improvement of corrosion resistance, organic coating and metal coatings are applied.Type: GrantFiled: June 1, 1979Date of Patent: May 26, 1981Assignee: Nippon Steel CorporationInventors: Teruo Ikeno, Satoshi Kado, Saburo Ayusawa, Hironobu Kawasaki, Takashi Watanabe
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Patent number: 4252866Abstract: An electro-galvanized steel sheet for coating excellent in bare corrosion resistance, corrosion resistance after coating and formability, which comprises: a steel sheet; a first electro-galvanized layer, as a lower layer, in an amount of from 5 to 120 g/m.sup.2 per side, formed on at least one surface of said steel sheet, said first electro-galvanized layer comprising either an electro-galvanized layer consisting essentially of zinc or a compound electro-galvanized layer consisting essentially of zinc, cobalt and at least one of chromium, indium and zirconium; and a second electro-galvanized layer, as an upper layer, in an amount of from 0.2 to 10 g/m.sup.2 per side, formed on said first electro-galvanized layer, said second electro-galvanized layer consisting essentially of an alloy layer of zinc and from 1 to 60 wt. % iron. Said electro-galvanized steel sheet for coating is adapted to serve particularly for external, underside and closed structures of an automobile.Type: GrantFiled: October 22, 1979Date of Patent: February 24, 1981Assignee: Nippon Kokan Kabushiki KaishaInventors: Kazuo Matsudo, Takeshi Adaniya, Masaru Ohmura, Masahiro Shoji, Tsutomu Watanabe
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Patent number: 4247602Abstract: Silver alloy wire for the production of jewelry, especially jewelry chains is made of a solder containing nucleus and a jacket of silver or silver alloy wherein the solder containing nucleus has a core of silver or silver alloy surrounded by a layer of brass.Type: GrantFiled: June 13, 1979Date of Patent: January 27, 1981Assignee: Ferd. WagnerInventors: Hans Krug, Kurt Heilmann
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Patent number: 4243729Abstract: A method of fabricating a metallic hermetic sealing cover for a container comprises plating a strip of base metal with a material comprising preponderantly a precious metal such as gold to a thickness of 40% to 90% of the ultimate required minimum surface thickness, which may be 25 to 100 microinches, preferably about 40 microinches, dividing the strip into cover elements of predetermined size, and barrel-plating such cover elements with the plating material to provide a resultant minimum thickness of surface plating substantially equal to the required minimum thickness.Type: GrantFiled: July 31, 1978Date of Patent: January 6, 1981Assignee: Semi-Alloys, Inc.Inventor: Norman Hascoe
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Patent number: 4241147Abstract: Roughening effect of low-temperature diffusion aluminizing of age-hardenable stainless steels, is offset by applying a nickel or cobalt plating not over 0.1 mil thick before the aluminizing.Type: GrantFiled: October 23, 1978Date of Patent: December 23, 1980Assignee: Alloy Surfaces Company, Inc.Inventor: Alfonso L. Baldi
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Patent number: 4224381Abstract: A new and improved magnetic recording disk can be prepared by interposing between an aluminum substrate disk and a recording alloy layer a support layer located on the substrate disk and a shield layer located between the support layer and the recording layer. The support layer is a hard, semi-crystalline nickel alloy layer having magnetic properties which is of such a character that if it is contacted by a recording head during the use of the disk it will tend to form a powder which will not interfere with subsequent use of the disk or recording head. The shield layer is of a nonmagnetic metal and serves to reflect signals from the recording head so that they do not reach the support layer.Type: GrantFiled: October 19, 1978Date of Patent: September 23, 1980Assignee: Poly Disc Systems, Inc.Inventors: Pravin K. Patel, David H. Johnston, John Makaeff, deceased
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Patent number: 4209375Abstract: The disclosure relates to an improved sputter target for use in the deposition of hard coatings. An exemplary target is given wherein titanium diboride is brazed to a tantalum backing plate using a gold-palladium-nickel braze alloy.Type: GrantFiled: August 2, 1979Date of Patent: June 24, 1980Assignee: The United States of America as represented by the United States Department of EnergyInventors: Willard G. Gates, Gerald J. Hale
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Patent number: 4206268Abstract: A multi-layered plain slide bearing having a metal base layer, and having a slide layer which is carried by the base layer and which comprises a copper-lead-tin binary or ternary alloy that has been applied to the base layer and that has an unusually high cooper content. The slide layer can contain, by weight, from 20% to 70% of copper, at least 15% and at the most 80% of lead, and from 0% to 30% of tin, and can also optionally contain indium, cadmium or other like metals. The slide bearing can further include a run-in layer which covers the slide layer, and which contains copper, tin, indium and/or lead or their oxides, sulfides or phosphides.Type: GrantFiled: October 16, 1978Date of Patent: June 3, 1980Assignee: Glyco-Metall-Werke Daelen & Loos GmbHInventors: Erich Roemer, Fritz Niegel
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Patent number: 4190493Abstract: A protective layer of tungsten or molybdenum is tightly adhered via an intermediate layer of pure nickel to a substratum of nickel-base alloy containing a carbide-former. The protected substratum is used in the structural components for a helium cooling circuit of a high temperature nuclear reactor. The protective layer is of a thickness of from 0.5 to 0.2 millimeters while the intermediate layer is of a thickness of 0.01 to 0.05 millimeters.Type: GrantFiled: December 20, 1977Date of Patent: February 26, 1980Assignee: Sulzer Brothers LimitedInventor: Kim S. Yee
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Patent number: 4189130Abstract: A blast-furnace tuyere having excellent thermal shock resistance and high durability consists of a tuyere substrate composed of copper or copper alloy, a self-fluxing alloy metallized layer sprayed on the substrate, a cermet coating sprayed on the alloy metallized layer, and a ceramic coating sprayed on the cermet coating. The cermet coating is made from a mixture of an alloy material consisting essentially of 5 to 60 wt% of Co, 5 to 50 wt% of Ni, 5 to 25 wt% of Cr, 5 to 40 wt% of Mo, 5 to 40 wt% of W, 3 to 40 wt% of Si and inevitable impurities, and a ceramic eutectic material consisting essentially of 95 to 65 wt% of Al.sub.2 O.sub.3, 5 to 30 wt% of ZrO.sub.2, 2 to 20 wt% of TiO.sub.2, 3 to 30 wt% of SiO.sub.2 and inevitable impurities. The ceramic coating is made from the same ceramic material as used in the formation of the cermet coating.Type: GrantFiled: October 19, 1978Date of Patent: February 19, 1980Assignees: Kawasaki Steel Corporation, Toyo Calorizing Ind. Co., Ltd.Inventors: Hideto Watanabe, Shigeo Shoji, Akimune Sato, Takashi Oka
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Patent number: 4188458Abstract: Steel surfaces are protected from erosion and corrosion by a coating which includes at least three metallic layers of increasing normal potential from the base layer lying on the steel surface to that layer farthest from the steel surface. Also, the base layer immediately adjacent the steel surface has approximately the same normal potential as the steel surface.Type: GrantFiled: April 6, 1977Date of Patent: February 12, 1980Assignee: Stal-Laval Turbin ABInventors: Evald Hugosson, Anders Kullendorf
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Patent number: 4137370Abstract: Components fabricated from titanium and titanium alloys are subjected to an ion plating with noble metals or their alloys. The structures so treated are highly resistant to oxidation at elevated temperatures and possess improved mechanical properties.Type: GrantFiled: August 16, 1977Date of Patent: January 30, 1979Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Shiro Fujishiro, Daniel Eylon
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Patent number: 4124737Abstract: A coating composition for producing high temperature, wear-resistant coatings on a metallic substrate, such as a nickel, cobalt, or iron base alloy, consisting of a cobalt base alloy with chromium, tantalum and carbon additions thereto. The basic composition may also contain one or more of aluminum, yttrium or the rare earth metals, silicon, manganese, or a dispersion of a metal oxide, such as alumina (Al.sub.2 O.sub.3).Type: GrantFiled: December 30, 1976Date of Patent: November 7, 1978Assignee: Union Carbide CorporationInventors: Thomas A. Wolfla, Robert C. Tucker, Jr.
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Patent number: 4122239Abstract: This invention relates to space vehicles. It is concerned with solar absorbers consisting of a metallic or metallized substrate with a weak hemispherical emission factor coated with two layers consisting of a semi-transparent metallic layer adhering to the substrate and of an outer interference dielectric layer. The metallic layer is a layer of nickel/chromium alloy consisting of 60 to 83% by weight of nickel and of 40 to 15% by weight of chromium, and the dielectric layer is a layer of silicon monoxide, of zinc sulphide or silicon dioxide.Type: GrantFiled: January 12, 1977Date of Patent: October 24, 1978Assignee: Centre National d'Etudes SpatialesInventors: Michel Jean Riboulet, Jacques Yves Louis Georges Simon
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Patent number: 4105828Abstract: A low-current contact structure formed on a contact member or substrate of various layers is described. A layer of refractory material is connected via a layer of easily diffusive metal with a layer of noble metal through diffusion annealing.Type: GrantFiled: January 27, 1977Date of Patent: August 8, 1978Assignee: Siemens AktiengesellschaftInventors: Lothar Borchert, Karl-Jorg Stenzel
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Patent number: 4098956Abstract: Thin film absorber stacks consisting of an absorptive film of titanium, zirconium or hafnium suboxide, subcarbide or subnitride superposed on a reflective film of silver, aluminum or copper display spectrally selective characteristics. The absorptive film may be prepared by reactively sputtering the metal or the metal carbide in argon or other inert gas with small amounts of gas containing carbon, oxygen or nitrogen or their combinations, or by reaction of the metal film in air or other gas.Type: GrantFiled: August 11, 1976Date of Patent: July 4, 1978Assignee: The United States of America as represented by the Secretary of the InteriorInventors: Robert Blickensderfer, Donald K. Deardorff, Russell L. Lincoln
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Patent number: 4080486Abstract: A protective coating system is provided for nickel-base and cobalt-base superalloys which is capable of imparting oxidation and corrosion resistance at elevated temperatures. The superalloy body is first coated by physical vapor deposition with a composition consisting essentially of chromium, aluminum, a member selected from the group consisting of yttrium and the rare earth elements, and at least one element selected from the group consisting of iron, cobalt and nickel, and thereafter the body is subjected to an aluminizing overcoating to increase the corrosion resistance.Type: GrantFiled: September 24, 1974Date of Patent: March 21, 1978Assignee: General Electric CompanyInventors: James L. Walker, John R. Ross
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Patent number: 4074016Abstract: A record carrier for a magnetic thin film metal layer includes a substrate coated with a pigmented epoxy resin as a synthetic substance layer. The pigment includes approximately 20% titanium dioxide and approximately 2% aluminum oxide. A thin getter metal layer is deposited over the synthetic substance layer for absorbing the outgasing from the synthetic substance layer. A relatively thicker metal layer such as chromium is then deposited over the getter layer for enhancing the magnetic properties of the subsequently deposited magnetic layer.Type: GrantFiled: December 9, 1976Date of Patent: February 14, 1978Assignee: International Business Machines CorporationInventor: Gerhard Trippel
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Patent number: 4042426Abstract: An improved steel substrate for preparing chromized steel, the substrate consisting essentially of a flat rolled plain low carbon columbium treated steel initially having a total carbon content of at least 0.03% and containing about 0.03-0.15% columbium. The steel substrate is the flat rolled product of the solidification of molten steel having the above composition. The carbon content of the steel substrate is partially stabilized whereby a controlled portion of the carbon is free to diffuse upon heating to an elevated chromizing temperature. The carbon content which is free to diffuse, the columbium content, and the thickness of the substrate are carefully correlated whereby the overall quality of the chromized product prepared therefrom may be controlled and maintained at optimum levels. The invention further provides the improved chromized steel products prepared thereby.Type: GrantFiled: June 21, 1976Date of Patent: August 16, 1977Assignee: National Steel CorporationInventor: Carl Adolph Beiser
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Patent number: 4028062Abstract: A method of making aluminum castings having a self-fused high silicon content in the interior matrix near and at the surface. A sand core is coated with a tacky, low-ash, low-volatile adhesive along a predetermined zone. Silicon dust particles are deposited on said adhesive in bonded relation. Molten aluminum is cast into a mold cavity containing the coated core. After mold stripping, the silicon particles are exposed as metallurgically bonded to the aluminum but along an ultra-thin depth. At least some of the exposed silicon particles are machined to expose a planar facet and thereby increase the projected exposure of the silicon particles along the machined plane. The resulting product has a reduced shrinkage characteristic (typical of aluminum alloys having a high proportional precipitated silicon).Type: GrantFiled: May 5, 1976Date of Patent: June 7, 1977Assignee: Ford Motor CompanyInventor: Adolf Hetke
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Patent number: 4023936Abstract: A nickel innerlayer is sandwiched between a steel plate and a titanium plate in a steel assembly, the assembly being hermetically sealed and reduced in a hot rolling operation which results in a metallurgical bond with greatly improved ductility as measured by bending and shear tests. The nickel layer contains not more than 0.03 percent carbon and not less than about 0.05 percent of a carbide former in a ratio of between about 4-35 of carbide former to one of carbon.Type: GrantFiled: June 14, 1976Date of Patent: May 17, 1977Assignee: Lukens Steel CompanyInventors: Stephen Lewis Morse, James J. McGlynn