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8110292 |
High strength steel plate, steel pipe with excellent low temperature toughness, and method of production of same
The present invention provides high strength steel plate with excellent low temperature toughness, high strength steel pipe using this as a base metal, and methods of production of the same. The...
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8084144 |
High strength thick welded steel pipe for line pipe superior in low temperature toughness and method of production of the same
The present invention provides high strength thick welded steel pipe for line pipe superior in low temperature toughness, and a method of production of the same. A base material steel plate...
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8039118 |
Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same
The present invention provides high strength welded steel pipe for line pipe inexpensive in cost and superior in low temperature toughness, and a method of production of the same, produced by...
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7851067 |
Tool with a coating
A coated metal article such as, e.g., a tool, which article comprises a body part comprising a substantially carbon-free precipitation-hardened iron-cobalt-molybdenum/tungsten-nitrogen alloy and...
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6899966 |
Composite surface on a stainless steel matrix
A composite surface having a thickness from 10 to 5,000 microns comprising a spinel of the formula MnxCr3−xO4 wherein x is from 0.5 to 2 and oxides of Mn, Si selected from the group consisting of M...
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6803118 |
Marker for use in a magnetic anti-theft security system
A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.0 to 4.5 weight % Al, 0.5 to 3 weight % Ti and the balance...
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6777106 |
Metal blocks suitable for machining applications
The present invention is directed to a metal block suitable for machining, the metal block comprising at least two superimposed metal plates, each having a thickness of at least 12.5 mm, wherein...
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6686061 |
Steel plate having TiN&plus CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom
A weldable structural steel product having fine complex precipitates of TiN and CuS is provided which contains, in terms of percent by weight, 0.03 to 0.17%C, 0.01 to 0.05% Si, 0.4 to 2.0% Mn,...
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6623869 |
Metal material having good resistance to metal dusting
A metallic material of the invention which comprises, in mass %, C: not more than 0.2%, Si: 0.01-4%, Mn: 0.05-2%, P: not more than 0.04%, S: not more than 0.015%, Cr: 10-35%, Ni: 30-78%, Al: not...
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6419806 |
Insert target assembly and method of making same
Method of forming a two-piece hollow cathode sputter target assembly and the assembly formed thereby. The sputter target assembly includes an outer shell having a substantially cylindrical side...
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6420054 |
Masking device for a color cathode-ray display tube with a flat screen, of the type comprising a support frame for a tensioned shadowmask, and tensioned shadowmask
Masking device for a color cathode-ray display tube with a flat scree, of the type comprising a support frame for a tensioned shadowmask and a tensioned shadowmask mounted on the support frame so...
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6391479 |
Coating interlayer for improved compatibility between HR-120 and aluminum-containing oxidation resistant metallic coatings
A coated metal component made of an alloy containing an intentional addition of nitrogen, comprising an oxidation-resistant coating layer and an intermediate layer disposed between the...
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6387535 |
Sheet having a multilayer structure
Sheet having a multilayer structure, called a sandwich sheet, composed of two rolled metal skins which are joined together by a core, in which sheet the core contains a stainless steel wool.
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6379487 |
Component of printed circuit board
A method of forming a laminate used in the manufacture of printed circuit boards, comprising the steps of applying a layer of chromium having a thickness from about 30 grams per square meter to...
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6379014 |
Graded anti-reflective coatings for photolithography
A graded anti-reflective coating (ARC) with one or more layers has a bottom layer that is highly absorbing at the lithographic wavelength, and one or more layers between the substrate and the...
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6360936 |
Method of manufacturing a composite sheet steel, especially for the protection of vehicles against shots
In a method of manufacturing composite sheet steel of maraging steel, wherein the composite sheet steel comprises an outer layer and an inner layer, wherein the outer layer is harder than the inner...
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6350533 |
Welded sheet metal component
A sheet metal component, obtained by press-forming a one-piece metal sheet comprised of two metal sheets into a desired shape, has an expanding portion having an external appearance varying in...
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6309762 |
Replaceable wear resistant surfaces
An article of manufacture having a wear-resistant cylindrical surface is made up of a metallurgically tough base steel with a substantially cylindrical surface, a thin, cylindrical metal sleeve...
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6284388 |
Steel with electrically insulating hematite layer
The present invention is directed to a method of forming an electrically insulating layer on a steel article such as a stack of electrical steel laminations or an individual, unstacked electrical...
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6255005 |
Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same
Provided is a composite magnetic member made of a single material combining a ferromagnetic portion and a non-magnetic portion in which the ferromagnetic portion has better soft magnetism than...
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6245441 |
Composite magnetic member excellent in corrosion resistance and method of producing the same
This is a composite magnetic member excellent in corrosion resistance having a chemical composition consisting essentially, by weight, of 0.30 to 0.80% C, more than 16.0% but not more than 25.0%...
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6197440 |
Magnetic recording medium
A magnetic recording medium comprises a stack of four magnetic layers. The first magnetic layer 11 is a layer for reproducing information recorded on the medium. The third magnetic layer 13 is a...
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6177203 |
Simultaneous diffusion bonding of an array of like parts
Diffusion bonding techniques are extended to the simultaneous bonding of an array of multilevel piece parts. The problems of uneven expansion and contraction of different levels of different piece...
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6127045 |
Magnetic tunnel junction device with optimized ferromagnetic layer
A magnetic tunnel junction (MTJ) device is usable as a magnetic field sensor in magnetic disk drives or as a memory cell in a magnetic random access (MRAM) array. The MTJ device has a "pinned"...
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6117564 |
Weld repair process and article repaired thereby
A method for weld repairing an article formed of a low-alloy steel, such as a steam turbine component. The method generally includes the step of depositing a first weld repair (14) on a surface of...
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5968672 |
Weldment produced by beam welding
Upper and lower shell members of aluminum-plated steel panels have respective flanges overlapping each other and welded to each other by a laser beam, thereby forming a fuel tank. One of the...
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5939186 |
Magnetic head
A magnetic head having a laminated magnetic film in which crystal orientation of precipitated small crystal particles can be controlled and the soft magnetic characteristic in the thickness of the...
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5919578 |
Friction welded product and method for manufacturing thereof
A friction welded product for rock drilling and method for manufacturing thereof, the product including a first component (25) and a second component (22) of parent material joined by a friction...
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5527605 |
Magnetooptic layer and a process for its fabrication
A magnetooptic layer made from rare-earth metals and transition metals exhibits a gradient in the alloy composition over the layer depth, and has a coercive field strength of more than 8 kOe in the...
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5449418 |
Method of formation of magnetostrictive layer and strain sensor using same
A strain sensor for detecting strain in automobiles, robots, and the like includes a magnetostrictive layer. The magnetostrictive layer is formed by irradiating an alloy layer with a high energy...
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4921764 |
Polyester film coated with metal adhesion promoting coating and having superior winding performance
An aqueous coating composition is provided for thermoplastic films comprising (i) from 1 to 10 weight percent based upon the total weight of the coating composition, of a sulfonated copolyester...
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4751046 |
Austenitic stainless steel with high cavitation erosion resistance
An austenitic stainless steel alloy showing a high cavitation erosion resistance making it particularly useful for the manufacture and/or repair of hydraulic machine components. The alloy consists...
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4748088 |
Tool die blank and manufacturing method thereof
The invention relates to a blank for a tool die, made of compound steel with a core of high speed steel and a surrounding ring of a different steel, said ring bringing about a prestress in the...
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4686080 |
Composite compact having a base of a hard-centered alloy in which the base is joined to a substrate through a joint layer and process for producing the same
A composite compact component made of a composite compact consisting of a diamond or BN powder bonded to a hard sintered alloy base during a sintering operation, and a substrate composed of steel...
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4634637 |
Solar control film
To a sheet of oriented polyethylene terephthalate a layer of nickel chrome alloy with an optical density of approximately 60% is applied by conventional vacuum deposition. To this sheet a...
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4604327 |
Multi-layer composite-wall panel or case structure
The composite-wall panel or case structure comprises a wall formed by at least two shaped sheets 5, 6 which have regions in which confronting surfaces are in adjoining relation and interconnected...
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4565746 |
Iron core for a stationary induction apparatus
An iron core for a stationary induction apparatus, such as a transformer or reactor, comprising an alternate laminate of thin amorphous magnetic strips (21a to 21d) and silicon steel sheets (11a to...
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4563400 |
Primer for metal films on nonmetallic substrates
A method is disclosed for improving the adhesion of sputtered metal films such as silver and copper by means of first depositing a primer layer of a metal such as stainless steel.
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4546050 |
Coated glass article as a new article of manufacture
This specification is directed to a new article of manufacture. In particular, the article is a glass sheet having first and second sides spaced apart in generally parallel planes with a multilayer...
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4525431 |
Iron-based alloys for welded structural elements, method of manufacturing such elements and structures built therefrom
The present invention relates to iron-based alloys with a low coefficient of expansion and to the uses of these alloys for welded structural elements operating under cryogenic conditions. The...
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4517253 |
Cryoelectrodeposition
A process for electrodeposition of a material on a substrate that includes the steps of establishing a liquid halogenous electrolyte containing the material to be plated on the substrate and a...
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4371589 |
Process for depositing protective coating and articles produced
An article of improved wear characteristics and composed of a relatively low wear resistant base metal coated by a particulate refractory metal having a melting point of at least 1490° C. ...
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4146497 |
Supported getter
This invention relates to a supported getter device comprising a metallic support structure consisting of a three-dimensional network defining a multiplicity of inter-connecting free cells and a...
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4131719 |
Load-bearing surface for a solenoid
The load-bearing surface of a laminated plunger in a solenoid is provided with an embedded reinforcing material harder than the laminated plunger. The reinforcing material is made integral with the...
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4010965 |
Pipe joint for connecting different kinds of metallic pipes
A pipe joint for connecting an aluminum pipe to a stainless steel pipe, where the joint consists of washer layers of aluminum, titanium, nickel and stainless steel in this order, each being tightly...
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3997374 |
Heat treatment of welds
A method is disclosed for heat treating the weld and heat affected zone between a metal pipe and a metal connector. The overall strength of the assembly in the heat affected zone of the weld is...
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3982904 |
Metal rings made by the method of particle ring-rolling
The annular space in a doughnut type metal can is filled with metal particles, the can sealed to constitute an annular workpiece, and the piece hot ring-rolled for expansion to an integrated metal...
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3890143 |
Welded constructions of stainless steels
Tubes and vessels intended for use in handling or housing hot water are formed by welding together sheets of stainless chromium steel having high corrosion resistance, good workability and...
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3861883 |
METHOD OF MAKING WELDED JOINTS FOR LARGE VESSELS SUBJECT TO HYDROGEN EMBRITTLEMENT
A welded joint construction is provided for large vessels, e.g., reaction vessels or tanks, having inner surfaces subject to hydrogen embrittlement and having a pair of multilayer laminated walls...
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3807970 |
DRILL PROOF PLATE FOR SAFES
A plate structure for safes, vaults and the like, and a method of making it, wherein the plate comprises two or more metallic sheets fused together to form a unitary structure. The plate structure...
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