Matches 1 - 50 out of 196 1 2 3 4 >


Match Document Document Title
7611666 Tundish dry vibratable form  
A mold dimensioned to be positioned within a refractory-lined tundish. The mold has an upper wall and a side wall extending downwardly from the upper wall, the side wall having a shape generally...
7195479 Hot liner insertion/removal fixture  
A fixture (30) adapted to permit the heated exchange of a liner (14) from an operating vertical furnace (10). The fixture is adapted to secure to the base of the liner (14) to both unlock and lower...
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...
6941653 Method and apparatus for forming a refractory lining in a coreless furnace  
A refractory lining is formed in a furnace by providing a carrier for a lining form which has dimensions that provide a uniform space for the introduction of refractory material when the lining...
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 when...
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...
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. ...
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...
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...
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...
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 areas....
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...
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...
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...
5695558 Vessel repair  
The invention relates to the repair of vessels, particularly refractory-lined vessels such as are used in steelmaking. Frequently there is wear on the lining of such vessels sufficient to prevent...
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, wherein...
5601051 Apparatus for repairing the refractory lining of a refractory vessel  
Refractory material is applied to the interior surface of a vessel by advancing a boom carriage on a frame positioned externally of the vessel through an opening in the vessel. The boom carriage...
5511762 Consumable form with degradable lining  
A method of manufacturing an open top, walled member for containing a molten metal, including the steps of forming an inner wall of a mold with a metal sheet and an inner lining covering the sheet,...
5505893 Method for manufacturing and repairing molten metal containment vessels  
A method of manufacturing an open top, walled member for containing a molten metal, especially a flowing molten metal or reconstructing a worn or damaged member. The method includes the step of...
5494267 Pumpable casting composition and method of use  
An improved castable refractory composition having excellent resistance to attack from slag can be efficiently transported to a destination, such as a mold, using a pump. The castable refractory...
5484138 Consumable form with adjustable walls  
An adjustable form used for forming or repairing a refractory lining includes an adjustable frame constructed from a plurality of intersecting beams, at least some of which are adjustable, and a...
5435948 Surface treatment of refractories  
A process for cleaning a surface of a refractory structure which is at an elevated temperature, including projecting against the surface a comburent gas stream which is a powder stream including...
5419669 Installation for lining an internal wall of an enclosure with brickwork  
An automated installation for lining a wall of an enclosure with brickwork is presented. This installation comprises a brick laying robot, a depalletizing module, a lifting module, a supply module...
5395096 Drop-in furnace lining  
A cast refractory and back-up insulation are positioned on a lifting frame for convenient placement in, and removal from, the furnace shell of an aluminum or other metal refining system. Furnace...
5360200 Lining of molten metal handling vessel  
An expendable lining may be applied over the interior walls of a metal handling vessel for molten metal, e.g. a tundish. The expendable lining is usually applied over a relatively permanent, e.g....
5340088 Metallurgical vessel and method of making the refractory lining of such vessels  
The invention relates to a metallurgical vessel, in particular a transport ladle or a treating ladle, for the production of steel with a bottom (2b) having a refractory lining (3) with a basic...
5330690 Process and apparatus for renewing the refractory lining of foundry ladles  
A process for renewing the refractory lining of a ladle for casting steel and of similar metallurgical vessels. While the ladle (10) is still hot, the slag (S) still adhering to the inner surface...
5242639 Ceramic welding process  
In ceramic welding processes, oxidising gas and a mixture of refractory and fuel powders are projected against a surface and the fuel is burnt to generate sufficient heat that the refractory powder...
5217658 Method for repairing a hot-blast long-time cupola furnace  
A method for repairing a hot-blast, long-time cupola furnace by removing residual slag and relining the cupola furnace including feeding liquid nitrogen to the cupola furnace immediately at the end...
5202090 Apparatus for ceramic repair  
Apparatus for repairing a refractory body, such as a furnace wall by projecting combustible particles in an oxygen-rich carrier gas against such body to cause oxidation of combustible particles in...
5197847 Device for automatic handling of objects  
The device mounted at the end of an operating arm comprises one or more suckers for supporting objects, for example refractory bricks for the brick-lining of a metallurgical converter, means for...
5176873 Method for forming a lining on a metallurgical vessel, a composition and a machine for the application of said method  
The method for forming a lining on the internal faces (2) of a metallurgical vessel (1) for receiving molten metal involves the following steps: a) at least one movable wall (3) is positioned at a...
5160692 Process and plant for producing a lining on the inner walls of a metallurgical vessel  
A metallurgical vessel (1) whose inner walls to be lined are relatively hot is placed on a suitable support; the support is tilted and the metallurgical vessel (1) is brought successively into a...
5139239 Lining of molten metal handling vessels  
The invention relates to the provision of an expendable inner lining (13) over the relatively permanent refractory lining (11) of a molten metal handling vessel (10), in which venting means (25)...
5128075 Ceramic welding repair process  
A method of repairing an eroded refractory wall pierced by one or more openings using a ceramic welding technique. A member of shape substantially complementary to the desired shape of the repaired...
5100594 Ceramic repair  
A process of repairing a refractory body, including the steps of a. introducing combustible particles into a first gas stream containing no more than 18% oxygen by volume; b. causing an oxygen-rich...
5044612 Apparatus to clean refractory-lined conveyor troughs  
An apparatus for cleaning refractory-lined conveyor troughs for conveying molten metals and slags has a rail-guided carriage that extends across the trough and travels along the length of the...
5018923 Automated bricklaying apparatus  
Automated installation for the laying for masonry on a wall, especially of a converter, comprising an operating station with a work plateform movable vertically inside the enclosure and capable of...
5014965 Process and apparatus to clean a molten metal or slag conveyor trough  
A process and apparatus to clean refractory-lined conveyor troughs for molten metals and slags by means of chains on a rotating drum. A motor is used to drive the drum, whose current consumption...
5013499 Method of flame spraying refractory material  
A method of flame spraying refractory material for in situ repair of, e.g., furnace linings wherein an inert carrier gas incapable of supporting combustion and particles of refractory oxide and...
4995596 Apparatus for repairing a perforated brick in a metallurgical vessel  
An apparatus repairs a perforated brick employed in a wall of a metallurgical vessel and having an opening into which is to be fit a gas washing sink for introducing gas into molten metal within...
4984769 Tap spout for metallurgical vessels and method of repairing  
A tap spout, particularly for allowing molten metal to be discharged from oxygen-steel converters, includes a replaceable unit including a tubular wear lining and a jointing layer secured thereto....
4981628 Repairing refractory linings of vessels used to smelt or refine copper or nickel  
A method of increasing the life of tuyere area refractories through repeated application of coherent refractory mass formed by ceramic welding process onto worn area after installing protective...
4930755 Method for heating ceramic material, primarily in conjunction with the use of such material in metallurgical processes, and an arrangement for carrying out the method  
A method for primarily pre-heating ceramic material primarily in metallurgical processes, the material, in the form of brick or the like, forming part of a lining (3) or the like and being intended...
4923180 Process and apparatus for restoring the lining of metallurgical ladles  
A process and an apparatus, by means of which the used surface of the lining of a steel ladle can be worked away, following the contours, in uniform layer thickness. On compliantly displaceable...
4920899 Modular furnace and methods of repairing same  
A refractory furnace (10) is constructed to facilitate repair of worn or damaged refractory portions while the furnace is maintained at near-operating temperature. A sidewall (40) of the refractory...
4913649 Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace  
In the repair of a refractory lining of a shaft furnace having a steel shell, a worn residual refractory lining inside the shell and cooling plates extending through the shell into the refractory...
4911595 Apparatus for lining the inside wall of a vessel with bricks  
An apparatus for lining the inside wall of a vessel with bricks is presented. The apparatus includes a work platform, a handling robot and telescopic hoists. The telescopic hoists have carriages...
4901985 Apparatus for spraying refractory lining  
An apparatus which is adapted to move along a tundish, ladle, or the like having a generally closed lower end, enclosed sides, and an open upper end. The apparatus sprays the sides and lower end of...
4880211 Method and apparatus for relining a refractory lined vessel  
Method and apparatus to spray the interior surface of a refractory lined vessel that receives molten metal where the interior refractory surface of the vessel is most prone to erode. Supply pipes...
Matches 1 - 50 out of 196 1 2 3 4 >