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8780952 Roof system for electric arc furnace and method for manufacturing the same  
A roof system for an electric arc furnace includes a skew removably attached to the electric arc furnace, a lining of refractory material affixed to the skew, and a delta composed of a refractory...
8535581 Induction furnace for melting of metals, lining for an induction furnace and method for production of such lining  
The present invention relates to an induction furnace for melting of metals that do not connect inductively in solid state. The induction furnace has a lining comprising a mixture of graphite and...
8012385 Method of forming color filter layer and method of fabricating liquid crystal display device using the same  
The present invention relates to a liquid crystal display (LCD) device, and more particularly, to a method of fabricating a color filter for an LCD device. A method of fabricating a color filter...
7827689 Coke oven reconstruction  
A new, faster and more efficient process to replace heating walls and ceilings in coke oven batteries. Thus, when replaced, at least one heating wall is constructed of thermally stable...
7556764 Silica vessel with nozzle and method of making  
A fused silica crucible having a nozzle is formed by first inserting a preformed silica glass tube into the lower portion of a graphite mold. The tube is aligned with a vertical axis about which...
7204878 Refractory mixes containing condensed tannin and furfuryl alcohol, and their uses  
This invention relates to refractory mixes produced by mixing a refractory material with an organic binder and heating to a temperature of typically from about 50° C. to about 100° C. to form a...
7182891 Non-basic refractory compound as well as its uses  
This invention concerns a non-basic refractory batch as well as its use.
7169439 Methods for repairing a refractory wall of a high temperature process vessel utilizing viscous fibrous refractory material  
Systems and methods are provided whereby pumpable viscous fibrous material may be applied onto surfaces of high temperature process vessels while hot (i.e., while at or near such vessels' high...
7021913 Method and apparatus for repairing refractory wall of furnaces  
An apparatus for repairing damaged refractory wall lining in a refractory lined vessel during use utilizing an insertable dispensing tool and injecting repair material under pressure therethrough....
6780351 Vessel inspection and repair system  
The disclosed methods and systems for inspecting and repairing vessels include a laser used to project a laser beam into a hot furnace or vessel, a laser reader to measure a point cloud formed...
6746644 Process and apparatus for curing resin-bonded refractory brick lined ladles  
An improved process of curing resin-bonded refractory brick lining of a ladle within a housing by heating the brick in air at an effective temperature to produce resin vapors and transferring the...
6743382 Method of installing a refractory lining  
A method of installing a refractory lining in a coreless or channel electric induction furnace. For installation of a refractory lining in a furnace wall, the method comprises the steps of...
6729872 Method for protecting an SiO2 coating, and combustion device with protection  
A method for protecting a SiO2 coating on defining surfaces of a combustion chamber and a combustion device containing the protection. Accordingly, an additive is introduced into the combustion...
6645425 Refractory batch, in particular for the production of a shaped body, and process for producing the shaped body  
The invention relates to a refractory batch containing at least one refractory metal oxide component, at least one binder component, such as resin or pitch, if appropriate antioxidants, at least...
6586355 Slagline sleeve for submerged entry nozzle composition therefore  
An improved submerged entry nozzle is provided which is useful in the casting of aluminum killed molten steel. The nozzle has an improved slagline sleeve or collar which surrounds the outer...
6565798 Method of relining a vessel  
A method of relining a vessel that is used to carry out a direct smelting process that produces molten metal under conditions requiring molten bath temperatures of at least 1000° C. is disclosed....
6517341 Method to prevent recession loss of silica and silicon-containing materials in combustion gas environments  
While silicon-containing ceramics or ceramic composites are prone to material loss in combustion gas environments, this invention introduces a method to prevent or greatly reduce the thickness...
6514312 Steelmaking slag conditioner and method  
A slag conditioner for extending the life of a BOF vessel lining utilizing recycled blast furnace filter cake dewatered by contact with a hot slag; its process of production, and method of use.
6458732 Lightweight dry refractory  
A dry refractory composition having superior insulating value. The dry refractory composition also may have excellent resistance to molten metals and slags. The composition includes filler...
6375863 Thermoplastic resin composition, production thereof, and molded article thereof  
A thermoplastic resin composition which comprises 100 parts by weight of thermoplastic resin as component (A) which is at least one species selected styrene resin, polycarbonate resin, and...
6280664 Method for installation of refractory material into a metallurgical vessel  
A method for forming a lining on the internal faces of a vessel involves installing a granular composition into a gap formed between the internal faces of the vessel and a mandrel. The granular...
6268018 Method of applying a non-slumping pumpable castable high purity silica composition  
A method of applying a castable refractory composition using a form. The refractory composition consists essentially of from about 50.0 weight percent to about 99.9 weight percent of a high purity...
6254665 Method for producing reduced iron agglomerates  
A moving hearth is formed by providing a layer of hearth material primarily composed of iron oxide on a base refractory in a reducing furnace and then sintering the hearth material so that the...
6214081 Hot repair mix comprising bisphenol as a fluidizing agent  
The hot repair mix according to the present invention comprises bisphenol as an auxiliary fluidizing agent in an amount of 1 to 20 weight parts and a material to form carbon bond in hot working...
6156688 Repairing material for bricks of carbonizing chamber in coke oven and repairing method  
A repairing material for the bricks of the carbonizing chamber in a coke oven is obtained by compounding mortar as a main component with a powder comprising 70-100 wt. % of a Co compound, Ni...
6153130 Method of installing a form in a foundry furnace  
A spacing tool to be inserted between a form and a foundry furnace during installation of the form in the foundry furnace comprises a first longitudinally extending member to contact the foundry...
6117373 Process for forming a furnace wall  
A monolithic refractory composition, which can be rapidly dried after being mixed with water and applied to a desired portion by casting or spraying to form a furnace wall, and which comprises...
6058859 Refractory support device and associated method  
A device for supporting refractory material in a furnace environment is provided. In one embodiment, the supporting device is fabricated from individual pieces which are connected to produce a...
6022593 Process for applying low-cement castable refractory material  
A method for placing a thixotropic low-cement castable refractory material without the necessity for forms. A low-cement castable material is mixed with a measured amount of water, then is pumped...
5993703 Process for producing steel casting ladle monolithic refractory lining  
When the wall and bottom of a steel casting and handling ladle are provided at the same time with a refractory monolithic lining, the lining in the lower area of the wall is often damaged during...
5979054 Method of forming a sidewall for a reactor for oxidizing volatile or semi-volatile organic compounds  
A method of forming a sidewall for a reactor for oxidizing volatile or semi-volatile organic compounds, the sidewall being reactive with gaseous oxidation products produced by the oxidation of the...
5976632 Dry process gunning of refractory castable  
A process for applying a refractory castable onto a surface, comprising the steps of: (a) introducing metered amounts of a clay-free, dry refractory castable into a delivery hose, the dry...
5958312 Process for the partial reconstruction of the refractory lining of the wall of steel casting ladles  
It was difficult until now to carry out intermediate repairs of monolithic refractory lining walls of steel casting and handling ladles when the slag area of the lining was worn before other...
5916500 Method of lining a blast furnace  
A method is provided for installing a refractory lining in a blast furnace or other metallurgical vessel. A consumable form is installed along an inner surface of an outer shell of the...
5866049 Process and mixture for forming a coherent Refractory mass on a surface  
A ceramic welding process for forming a coherent refractory mass on a surface of a refractory which is hot and which is comprised of at least one silicon compound includes providing a mixture...
5820816 Purging device and method of making same  
A purging device for use in metal processing includes a shell, a body and a plurality of gas delivery tubes. The body comprises a refractory material and the tubes are disposed therein. Each tube...
5795508 Method of lining a blast furnace  
A method for lining a blast furnace or other metallurgical vessel in stages uses a plurality of porous consumable forms and a pumpable casting composition. A form member, including a rigid support...
5792393 Method of repairing hot refractory linings in high-temperature vessels  
A method of repairing damaged hot refractory linings in high-temperature vessels includes forming an opening through the outer shell of the vessel proximate to the damaged region of the hot...
5788159 Method and apparatus for applying compositions  
A circular, surface-coating application of sprayable composition or mortar is achieved through a rotatable spray head with at least one lateral discharge opening. The composition or mortar is...
5779947 Method of casting castable refractories of vessel for molten metal  
When casting castable refractories as lining refractories of a ladle for a molten metal, wherein the castable refractories are prepared by kneading monolithic refractories with an aqueous solution...
5780114 Production of a siliceous refractory mass  
A process for producing a crystalline siliceous refractory mass includes providing particulate constituents to be projected comprised of (1) solid refractory particles comprising silica in the...
5772931 Slag coating process  
A process for coating the walls of a steelmaking vessel with slag between heats to protect the refractory liming of the vessel uses coolant in the form of recycled slag as a substitute for fluxes...
5745969 Method and apparatus for repairing a coke oven  
A repairing method using a lance for repairing an oven wall surface of a coke oven comprises the steps of arranging a distance sensor at a top end of the lance, quantitatively measuring a depth of...
5704184 Impact pad for ladles  
A refractory brick that has a rear portion with a geometrical concavity on one side and a corresponding convex projection on the other side, the concavity and projection being matched so that the...
5700309 Method and powder mixture for repairing oxide based refractory bodies  
A method of repairing an oxide-based refractory body by projecting a powder mixture against a hot surface of the body and in the presence of oxygen to provide a refractory repair mass includes...
5686029 Procedure for manufacturing fire-proof crucibles for steel-processing ladles  
The procedure for manufacturing fireproof crucibles for steel-processing ladles, in which aluminum deoxidation is carried out for the total quenching of liquid steel, is such that a monolithically...
5686028 Process for forming a coherent refractory mass on a surface  
A process for forming a coherent refractory mass on a surface of a refractory, which refractory includes at least one silicon compound, the process including providing a mixture including (1)...
5683559 Cell for aluminium electrowinning employing a cathode cell bottom made of carbon blocks which have parallel channels therein  
An electrolytic cell for the electrowinning of aluminium from alumina dissolved in a halide-containing molten electrolyte, has a cathode cell bottom made of a series of carbon cathode blocks (10)...
5645772 Refractory ceramic mass for lining the bottoms of electric arc furnaces and process for their repair  
A process for repairing bottom linings of D.C. arc furnaces. A refractory ceramic mass is used for lining the bottoms of D.C. arc furnaces in the area of metallic electrodes placed therein,...
5632937 Method of installing a refractory lining  
A method is provided for installing a refractory lining in a metallurgical vessel having a main opening which is much smaller than the diameter of the vessel. The method is especially useful in a...