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8147605 |
Coating composition for a mould
A coating system for a mould for the directional solidification of silicon. The coating is applied as an aqueous slurry of silicon nitride particle, carbon black and microsilica.
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8071065 |
High density carbon foam composite tooling
Tools for the forming of composite parts from composite forming materials, having tool bodies that comprise, at least in part, high density carbon foam where a surface of the high density carbon...
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8029711 |
Method for producing a core sand and/or mold sand for foundry purposes
A method for producing a core sand and/or mold sand for foundry purposes mixes a granular mineral mold base material with an additive and an inorganic binder. An inorganic swelling additive having...
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7520742 |
Nanoprint equipment and method of making fine structure
A pillar with a high aspect ratio is transferred by a nanoprinting method. In order to form a fine structure on a substrate, a nanoprinting apparatus heats and presses the substrate and a mold with...
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7348286 |
Ceramic composite material and method of its manufacture
Ceramic composite material that has excellent mechanical properties within a range from room temperature to high temperature and high die release with respect to glass, resins, ceramics, and...
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7273204 |
Mold for forming optical lens and method for manufacturing such mold
A mold 50 for forming optical lenses has a molding portion 10 having a molding surface 12, a thin film 30 is formed on the molding surface, which is made from SiCHxNy, wherein x is in the range of...
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6623662 |
Carbon black coating for CRT display screen with uniform light absorption
A two-layer coating for the outer surface of the display screen of a color cathode ray tube (CRT) includes an inner carbon black-based layer and an outer silica-based layer. The inner layer is...
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6607173 |
Film on a surface of a mold used during semiconductor device fabrication
A film is provided on a mold used during semiconductor device fabrication through surface modifications to the mold to provide non-stick characteristics and a mold surface that is resistant to...
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6523803 |
Mold apparatus used during semiconductor device fabrication
Surface modifications of a mold used during semiconductor device fabrication provide non-stick characteristics and a mold surface that is resistant to abrasion or wear. Such surface modifications...
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6515041 |
High energy radiation-curable composition and resin molding
A high energy radiation-curable composition comprising a partial hydrolysis-condensation product of (A) a mixture of an alkoxy containing organopolysiloxane and alkoxysilanes and (B) a...
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6338753 |
Powder product to protect moulds for the centrifugal casting of cast iron tubes and method of preparing this product
Powder product for the protection of molds for centrifugal casting of cast iron tubes, and a method for its production. The powder contains a mixture of a silicon-based inoculating agent and a...
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6051058 |
Protective coating comprising boron nitride for refractory material members of an ingot mold for continuous casting of metals
The invention relates to a protective coating for a refractory material member of an ingot mold for continuous casting of metals, especially of steel, which consists of a dispersion of particles in...
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5893946 |
Combustible carbonaceous compositions and methods
A combustible carbonaceous composition and method of making a charcoal briquette wherein a finely divided carbonaceous material is combined with an activated carbon and/or an activated graphite...
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5855641 |
Mold for molding optical element
Molds for press molding an optical element of glass are disclosed. Proposed are: (1) A mold contains oxygen at the interface between a mold base of the mold and a carbon film formed at least on the...
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5769933 |
Activated carbon foundry sand additives and method of casting metal for reduced VOC emissions
An activated carbon and/or activated graphite foundry sand additive, and method of casting molten metal against a foundry sand containing the additive composition. In another embodiment, the...
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5759646 |
Vessel of pyrolytic boron nitride
Proposed is an improvement in a vessel, e.g., crucible, of pyrolytic boron nitride (PBN) used, for example, in the process of molecular beam epitaxy for melting silicon and the like at a high...
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5695554 |
Foundry sand additives and method of casting metal, comprising a humic acid-containing ore and in-situ activated carbon or graphite for reduced VOC emissions
The present invention is directed to a foundry sand additive composition, and method of casting molten metal against a foundry sand containing the additive composition. The additive composition...
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5651815 |
Additive for foundry sand preblends
An additive for foundry sand preblends providing reduced smoke and other emissions, the additive comprising a mixture of one part iron oxide, one part of a highly volatile carbonaceous material...
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5382274 |
Mold with film of 0-5 atom % hydrogen and molding method utilizing same
A mold for use for press-molding an optical element, in which a molding surface of a mold base material is coated with a hard carbon film containing 0-5 atom% of hydrogen. It has a spin density of...
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5380349 |
Mold having a diamond layer, for molding optical elements
A diamond sintered product having diamond particles sintered with a suitable sintering aid is the most suitable as the material for the mold for optical element molding, because it has in...
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5328879 |
Binding and plasticizing agent for preparing carbon-containing, refractory, ceramic materials and material prepared therewith
The present invention pertains to a binding and plasticizing agent for preparing refractory materials, in which the binding agent contains a synthetic resin, a phosphate, and a surface-active agent.
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5215143 |
Non-porous carbon molding (foundry) sand and method of casting
A new and improved, non-porous carbon foundry sand and a method of treating a fluid coke, having a spherical or ovoid particle shape and a size suitable for a coating surface, or a core or mold...
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5147834 |
Gunning composition
An improved gunning composition for use in the steel industry includes between 60-75% by weight of a refractory base material, 10-20% by weight of silicon carbide, 7-15% by weight of ball clay,...
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5125949 |
Mold for producing glass articles
The present invention relates to a mold for producing glass articles comprising a glass-made mold base, an intermediate layer formed by a silicon carbide and/or silicon nitride film, and an...
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5094289 |
Roasted carbon molding (foundry) sand and method of casting
A new and improved carbon sand and a method of treating a petroleum fluid coke, having a spherical or ovoid particle shape and a size suitable for a core or mold surface in the foundry industry, by...
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5064787 |
Ramming compositions
An improved ramming composition for use in the iron and steel industry includes between 65-80% by weight mullite, 5-15% by weight silicon carbide, 2-5% by weight graphite, 2-6% by weight ball clay,...
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5028257 |
Metallurgical flux compositions
A metallurgical flux composition comprising calcium oxide, alumina, magnesium oxide and silica contains 22-35% by weight magnesium oxide and has a weight ratio of calcium oxide to magnesium oxide...
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5026415 |
Mold with hydrogenated amorphous carbon film for molding an optical element
This specification discloses a mold for use for press-molding an optical element, characterized in that at least the molding surface of a mold base material is coated with an a-C:H film containing...
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4806163 |
Mold additives for use in continuous casting
A mold additive for use in continuous casting, which includes a base material having a chemical composition of CaO--BaO--SiO2 --F system, and contains 2-15% by weight in total of at least one...
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4690867 |
Material for low melting point metal casting equipment
The present invention provides an improved compositional material for a low melting point metal casting equipment and a method for producing the same, wherein said composition does not cause large...
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4639474 |
Monolithic refractory composition
A monolithic refractory composition having relatively high thermal conductivity and a relatively high degree of water insolubility consisting essentially of, by weight, 50-75% coarse grain flake...
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4623393 |
Refractory gun mix
A low cement refractory gun mix is disclosed. The gun mix comprises a coarse refractory portion having a particle diameter of at least 74 microns and a fine powder portion having a particle...
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4376651 |
Protective coating for foundry implements which contact molten aluminum alloys
The invention relates to a protective coating for foundry implements which are in contact particularly with molten aluminium alloys, comprising from 10 to 60 weight parts of extraction oil obtained...
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4316831 |
Material for treating coke oven doors and jambs to prevent the build up of tar thereon
A material containing submicron sized particles of graphite in a liquid carrier that contains a water soluable resin is described that forms a penetrating lubricating adhesive coating on the coke...
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4261750 |
Improved exothermic anti-piping composition
An exothermic anti-piping composition of the type which is formed of a refractory heat-insulating material, an exothermic compound, and an expanding media, and wherein the expanding media is...
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4251322 |
Process for treating coke oven doors and jambs to prevent the build up of tar thereon
A process of treating coke oven doors and jambs with a material containing micro micron particles of graphite in a liquid carrier is described that forms a penetrating lubricating adhesive coating...
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4240492 |
Process of forming multi piece vaporizable pattern for foundry castings
A casting process is disclosed including the steps of fabricating a multi-piece pattern from cellular plastic material, assembling the pieces to form a pattern, coating the pattern with a magnesium...
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4226625 |
Insulating tundish veneer composition useful in casting steel
A composition for insulating or coating tundish materials useful in casting steel which comprises two forms: TBL ______________________________________ Broad Medium Preferred (%) (%) (%)...
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4192687 |
Lining materials
Materials suitable for lining vessels designed to hold molten iron or steel are provided herein. These materials are made of burned dolomite, containing 1-6% of a natural glyceride oil or a mixture...
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4191578 |
Release agents
A release agent for separation of a pattern from a mold cavity or core or the like. The agent consists essentially of an organosiloxane polymer fluid, comminuted aluminum, and a fluorocarbon...
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4167418 |
Protective coating for metal ingot molds and cores
A protective coating includes fire clay, graphite, water glass, water and alumina-containing material, the ingredients being present in an amount of up to a half the weight of the total mixture....
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4160474 |
Lubrication in DC casting of copper base alloys
Improvements in the direct chill casting of copper base alloys such as the tin brasses, tin bronzes and those alloys which exhibit a liquidus-solidus temperature separation of at least 50° C. is ...
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4108931 |
System of making molds for investment casting
A system of making molds for investment casting in which the patterns are formed from, and the sprue form is coated with, polyethylene glycol having a molecular weight in the range of from...
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4093778 |
Ingot mold for producing steel ingots
An improved ingot mold for producing steel ingots is disclosed. The primary feature of this improved mold is an interior sidewall coating which is composed of an aqueous slurry of finely divided...
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4071368 |
Mold release composition
A composition particularly effective as a high temperature lubricant for molds used in glass-forming operations and effective at high temperatures of the order of about 1,000° F, comprising a ...
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4046187 |
Process of manufacturing killed steel ingots of superior quality
A process of manufacturing killed steel ingots of superior quality by forming the sound hot top portion and reducing the concentration of nonmetallic inclusion in the mushy zone of ingot bottom,...
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4039337 |
Release coating for glass manufacture
A composition and method of preparation are herein described for molten release and parting compositions adaptable for use in glass-forming operations. The novel composition comprises an aqueous...
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4034794 |
Casting process with lignosulfonate-humate-graphite mold coatings
A novel mold coating comprising humic acid, and/or humic acid salts, and graphite in a liquid suspension containing organic bonding agents is disclosed as well as a method of forming ingots in...
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3975200 |
Moulding for the heat retention of feeder head in casting molten metals
A moulding for the heat retention of feeder head top surface in casting molten metals is based on a mixture consisting of charcoal and a binder, and said charcoal is laminated with directional...
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3967968 |
Band ply dope compositions
This disclosure relates to an improved band ply lubricant to be utilized in tire curing operations. The composition of this band ply dope or lubricant comprises a liquid phase, a thickening agent,...
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