Class 266/285 - With means allowing for expansion

Subclass of Class 266 - Metallurgical apparatus
Definition: Device including means to allow for the swelling of the
No. of patents: 36
Last issue date: 06/29/2010

Number	Title	Issue Date
7744811	Furnace expansion joint with compressible graphite joint filler and manufacturing method Expansion joints located in the upper part of the hearth walls of a reduction furnace are filled with a plate-shaped compressible graphite filler having a density of 0.1 to 0.2 g/cm3. A method of manufacturing such a joint filler is also provided. ...	06/29/2010
7134397	System for applying vertical compressive force to furnace walls A binding system for applying a vertical compressive force to the refractory walls of a rectangular or circular furnace comprises a compressive member engaging a laterally extending surface of the furnace wall and a support member to which the compressive member is ...	11/14/2006
6814012	Furnace binding and adjustment systems A furnace binding and adjustment system for maintaining a refractory furnace hearth under compression utilizes a plurality of buckstays connected at their upper and lower ends by tie members. A fluid-pressurized tensioning device, preferably a hydraulics device, is ...	11/09/2004
6286442	Support device for furnace A support device for a furnace, particularly the bottom furnace of a flash smelting furnace, includes a fastening device flexibly connecting a pillar element to a support structure. The pillar element includes a support part having a slot for receiving a ...	09/11/2001
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 parts in the array are obviated by positioning each level ...	01/23/2001
5811057	Refractory lining system for high wear area of high temperature reaction vessel A refractory-lined high temperature reaction vessel comprises a refractory ring lining constructed of refractory brick, a cooler, and a heat transfer medium disposed between the refractory ring lining and the cooler. The refractory brick comprises magnesi...	09/22/1998
5482257	Non-graphite crucible for high temperature applications A multi-piece crucible for high temperature applications comprises a tubular side wall member having a lip on the inside surface and a bottom member or members forming a container for containing a melt of a material during a high temperature melt-casting ...	01/09/1996
5375817	Hot blast stove and method for constructing a hot blast stove In the construction of a hot blast stove, walls are made of pre-formed and baked bricks. At the joint between two walls, cast joining elements of complex shape are incorporated. The cast joining elements may be cast in situ. This avoids the need for press...	12/27/1994
5318280	Retort wall construction A retort for a fluidized bed is disclosed having a retort wall including an outer wall segment and an inner wall segment. The inner wall segment includes a plurality of plate segments. A support mechanism is provided for securing the plurality of plate se...	06/07/1994
5290015	Method of producing high-melting-point and high-toughness metal and apparatus for the same A method and apparatus for producing a high-melting-point and high-toughness metal, comprising: reducing a high-melting point and high-toughness metal chloride with an activated metal to form a high-melting-point and high-toughness sponge metal in a reduc...	03/01/1994
5129631	Handling molten materials To diminish cracking due to differential expansion of refractory channels conducting molten materials, e.g. in an iron runner or iron trough, lateral pressure is exerted inwardly on the wear lining of such a channel through intermediate layers of permanen...	07/14/1992
5039345	Fiber composite article and method of manufacture An article and method for its manufacture are described. The article is preferably a ladle used in the manufacture of metals and receives molten metal for further chemical processing in the ladle or for transportation. The ladle is transparent to a wide r...	08/13/1991
5018710	Method and devices for removing alumina and other inclusions from steel contained in tundishes Molten steel in tundishes can be contacted with high surface area ceramic shapes which remove the alumina and other impurities contained in steel. Certain ceramic shapes, in particular tundish baffles, having a large surface area which acts as alumina tra...	05/28/1991
4941647	Protective lining for aluminum refining vessel A refractory sheet member is positioned in a cut-out portion of graphite side and end plates of an aluminum holding and refining vessel to create an effective barrier to the flow of molten aluminum through the channel formed upon the pulling of the plates...	07/17/1990
4896865	Force-absorbing means in a furnace Expansive forces in a furnace of cylindrical shape (e.g. a ladle furnace) are absorbed by means of a metallic ring positioned in the bottom of the furnace which substantially fits the inner, lower side wall of the cylindrical steel shell of the furnace an...	01/30/1990
4852859	Gastight bottom construction for a shaft furnace A bottom construction for a shaft furnace, has a plurality of horizontal layers of refractory material, and a gastight metal membrane located above at least the lowest layer of refractory material. So that the membrane is easily constructed, can accommoda...	08/01/1989
4773630	Tank furnace for the metallurgical treatment of non-ferrous metals A tank furnace for the metallurgical treatment of non-ferrous metals, consisting of a refractory hearth in the form of an inverted arch disposed on perimetral plate assemblies which are able to move in order to compensate for hearth expansion, a containin...	09/27/1988
4738380	Self-adjusting refractory joint A self-adjusting refractory joint which finds principle utility in teeming valves in which a pair of overlapping collars are provided on a plate and on the pour tube, the collar on the plate extending downwardly in surrounding relationship to the teeming ...	04/19/1988
4728013	Refractory plate formed with expansion joints A refractory plate assembly includes a refractory plate having therethrough at least one discharge opening and a sheath tightly fitted around the periphery of the plate. The plate is formed of separate plate portions separated along planar surfaces extend...	03/01/1988
4685703	Expansible and contractible duct A longitudinally expansible and contractible duct characterized by the employment of a pair of expansible and contractible bellows protected by internal, thermally insulated, baffles which are slidably secured to the external shell members of the duct to ...	08/11/1987
4569508	Metallurgical vessel having an opening and a flange around the opening A metallurgical vessel having a bottom, a side wall structure defining an opening remote from the bottom, a refractory lining for the interior of the vessel and a unitary metal flange fixed to the vessel and extending around the opening and over the linin...	02/11/1986
4545568	Unfired refractory structural member in the form of a plate for use as an expendable lining of metallurgical vessels Unfired refractory structural member in the form of a plate for the expendable lining of metallurgical vessels, especially for tundishes used in continuous steel casting, and comprising magnesia sinter and possibly olivine with a grading of 30-45% by weig...	10/08/1985
4529178	Expansible refractory brick assembly for a furnace roof A refractory assembly for use in a roof in an ore reduction furnace is provided having a pair of refractory blocks with matchable corrugated surfaces. A corrugated plate is provided, with its corrugations having the same wavelength as and a different ampl...	07/16/1985
4469312	Melting furnace of a rigid structure A melting furnace of a rigid structure includes a hollow body for receiving a material to be melted, the body comprising bricks joined together. A shell of iron surrounds the brick body so as to restrain a thermal expansion of the brick body during an ope...	09/04/1984
4432289	Furnace brick tie back assembly A tie back assembly for holding in place loose bricks forming an interior furnace wall is disclosed comprising a hold back plate, an adjustable stud holder assembly attachable at one end to the plate and extending through the furnace wall, and a locking m...	02/21/1984
4428731	Smelting furnace A smelting furnace, the refractory sole (3) of which is contained in a metallic casing (5) having expansion joints (6, 7, 7'), comprises means (18, 19) for cooling the expansion joints, these means enabling to solidify actually any liquid phase that might...	01/31/1984
4424959	Brickwork construction A brickwork construction is disclosed as specifically useful for making the gas distribution chamber of a shaft kiln. In this construction the collapse of the wall into the shaft kiln is prevented by using bricks which are thinner at one end than the othe...	01/10/1984
4403768	Bottom of metallurgical container and process of forming the same In a process for forming the bottom of a metallurgical container, especially the bottom of a converter for refining pig iron, of the type which comprises a metallic base, at least one layer of refractory material superimposed on the metallic base, a first...	09/13/1983
4324602	Method for reducing the thermal inertia of furnace or oven walls The invention relates to reducing the thermal inertia of furnace or oven walls. Insulating modules under compression are secured to the wall and released from compression upon firing of the furnace....	04/13/1982
4311460	Insulated industrial oven An industrial oven for heating products therein of the type having four insulated side walls, an insulated top, and also a bottom which together define an interior heating chamber. Each of the walls has an inner skin and an outer skin spaced apart from on...	01/19/1982
4268015	Bottom outlet or discharge for use in metallurgical vessels for steel melts, particularly tundishes A bottom outlet or discharge for metallurgical vessels includes a sleeve brick, a nozzle brick positioned in the sleeve brick, the nozzle brick having therethrough a discharge opening, and a highly wear-resistant tubular sleeve fitted within the discharge...	05/19/1981
4238121	Hearth structure of an oxygen-bottom-blowing converter A hearth structure of an oxygen-bottom-blowing converter comprises hearth bricks including a number of brick row units, each of which is provided with or without one tuyere therein to eliminate thermal stresses otherwise be caused by two tuyeres included ...	12/09/1980
4076221	Use of an acid-resisting cement for the protection against corrosion of steel surfaces exposed to hot gases In the operation of a furnace for the production of iron or steel, the air preheater and the pipe communicating the preheater with the furnace are constructed of steel shells lined with an acid-resisting cement, with refractory lining overlying the cement...	02/28/1978
4040610	Apparatus for refining molten metal A vessel adapted for maintaining metal in a molten state comprising, in combination: A. an insulating refractory shell impervious to molten metal; B. a lining for a major proportion of that interior surface of said shell, which will be below the surface of the...	08/09/1977
4023782	Tuyere stock and compensator joint therefore A hermetic expansion joint for use between conduits lined with refractory material and a tuyere stock for blast furnaces utilizing a plurality of such expansion joints. The expansion joints include a bellows coaxial with and connected to the exterior of t...	05/17/1977
3954254	Metallurgical furnace A metallurgical furnace has an annular conduit or hot blast plenum encircling and formed as a part of the shell of the furnace, and such plenum has a variable venturi throat or passageway through which the wind or hot blast enters the furnace proper. The ...	05/04/1976

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Class 266/285 - With means allowing for expansion