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Patent Searching and Data


Matches 401 - 450 out of 3,144

Document Document Title
WO/1998/015792A1
Melting apparatus for melting a metal, such as aluminium, comprising a melting chamber, a burner chamber and a passage which extends between the melting chamber and the burner chamber and which has an inlet opening on the melting-chamber...  
WO/1998/008990A1
A rotor coupling (1) for connecting a graphite rotor (37) to a drive shaft (12) of a rotary degassing machine comprises a cap (2) which fits over an end of the rotor and contains gripping means (3, 4) to retain the rotor in the cap. The ...  
WO/1998/007496A1
A reticulated ceramic filter for molten metal has an inlet portion with an inlet surface, an intermediate body portion contiguous with the inlet portion and an outlet portion with an outlet surface. The inlet surface is non-planar with u...  
WO/1998/005915A1
A rotary gas dispersion device for use in a liquid aluminium treatment vessel is disclosed. The device is useful for reducing surface disturbance, splashing and vortices while maintaining the effectiveness of the treatment. Said device i...  
WO/1998/005411A1
A method for regenerating ceramic parts used in aluminium casting, to enable low-cost removal of the surface build-up of materials while conferring properties to said parts that are equivalent to those of new parts. The method is particu...  
WO/1998/004372A1
An apparatus (1) for treating molten aluminium or zinc having a housing providing a chamber (18) for containing a molten metal (19). The chamber (18) includes an inlet opening (20) and an outlet passage (22). A rotatable impeller (12) is...  
WO/1997/047776A1
A dross compression apparatus and method utilizes a dross compression head (14, 84) and a skim box or collector (12, 82) having mating ribs (32, 34, 36 and 38, 42, 44, 46, 48; 102, 104, 106 and 112, 114, 116). The ribs may be any type of...  
WO/1997/041064A1
Processes for improving solids/liquids separation efficiency in the Bayer process are disclosed, wherein Bayer process streams are treated with calcium or magnesium salts, flocculated with carboxylic acid or salt group-containing polymer...  
WO/1997/041269A1
Process for the recovery of aluminium and energy from used packages of the "tetrabrick" type and oven for implementing such process, which comprises a pre-treatment for the recovery of paper, the separation on the one hand of the alumini...  
WO/1997/039155A1
A process and an apparatus are disclosed for improved recovery of metal from dross, wherein a dross treating furnace is provided with a refractory wall or lining with good capacity to store and conduct heat. This furnace is preheated to ...  
WO/1997/028901A1
A method for separating inclusions from an electrically conductive liquid flow using electromagnetic forces, wherein the inclusions and the liquid have differing electrical conductivities, is disclosed. Said flow is exposed to a spatiall...  
WO/1997/026382A1
The dross pot comprises a genarally conical vessel with a plurality of internal upstanding ribs which divide the dross pot into a plurality of segments and also provide a plurality of draining holes for molten metal.  
WO/1997/023309A1
A method and an apparatus which can substantially completely remove paint and pigment on the surface of an empty can of aluminum to reclaim aluminum having a very low impurity content. The method comprises crushing pressed blocks of alum...  
WO/1997/018456A1
A method of charaterising molten materials comprising the steps of effecting flow of the material through means for filtering out inclusions within the material, monitoring the flow of the molten material through the filtering means, and...  
WO/1997/017476A1
Adding small pieces of light metal scrap, for example light metal chips, to a light metal molten mass represented until now a big technical problem. It has been surprisingly discovered that a process known in iron metallurgy and used unt...  
WO/1997/016576A1
A thermo-mechanical process for producing aluminium or other metals from aluminium or metal compounds, is described, whereby aluminium oxide or similar aluminium compounds or similar other metal compounds, are heated by friction generate...  
WO/1997/006876A1
The invention concerns a process for purifying waste gases from smelting, resmelting or combustion plant furnaces and the use of the filter dusts produced. The invention is used in particular in the production or preparation of nonferrou...  
WO/1997/006394A1
A metal fusion furnace capable of controlling speeds, at which a metallic material is charged from a preheating section to a fusing section, within an optimum range, and efficiently fusing the metallic material only with oxygen burners, ...  
WO/1996/039545A1
A method of and apparatus for treating molten metal to achieve effective removal of such unwanted inclusions as gases, alkali metals, entrained solids, and the like. The method comprises continuously introducing molten metal into a conta...  
WO/1996/038220A1
A process of selectively separating a target metal contained in an aqueous solution by contacting the aqueous solution containing a target metal with an aqueous solution including a water-soluble polymer capable of binding with the targe...  
WO/1996/032513A1
A cooling system for an aluminium dross press head comprises air inlet means allowing air to be drawn into the press head and a hollow actuating rod connected to the press head which extracts air from the press head.  
WO/1996/032515A1
An incremental rotational system for an aluminium dross processing head includes lever means actuated by the head as it rises to rotate the head by a defined amount, no independent drive system being required.  
WO/1996/032516A1
Residues which arise from industrial processes and the burning of rubbish and contain heavy metals and/or heavy metal compunds are subjected to a two-stage reduction process providing re-usable metal and silicon-containing alloys. In a f...  
WO/1996/032514A1
A dross press is enclosed within a cabinet which is normally maintained at a negative pressure relative to ambient air pressure. The cabinet is provided with locked doors to prevent egress of explosive gases or pieces of metal is equippe...  
WO/1996/030143A1
A method and an apparatus for dispersing a first fluid into a second fluid are described. Upper vessel (2) and lower vessel (3) for the second fluid are in fluid communication via a conduit (4). The conduit (4) has a constricted outlet (...  
WO/1996/030549A1
Method and apparatus for recovering free aluminum from a metal bearing dross containing free aluminum metal and oxides of the metal. Hot dross (14) is collected from a hot dross source (10) into a vessel (12), and the vessel (12) is plac...  
WO/1996/028577A1
A fast quench reaction includes a reactor chamber having a high temperature heating means such as a plasma torch at its inlet and a restrictive convergent-divergent nozzle at its outlet end. Reactants are injected into the reactor chambe...  
WO/1996/026801A1
The fill chamber bore (17) of a die-casting machine (1) is lubricated and prepared for casting by inserting an elongated member into the die-end of the bore while spraying with lubricant. During withdrawal of the elongated member, a coni...  
WO/1996/023222A1
A device for determining the purity of a metal alloy, in particular an aluminium alloy, It comprises a pot (10) featuring a receptacle (14) of an essentially flared shape on a vertical axis, the lower extremity featuring an orifice (18) ...  
WO/1996/022397A1
An apparatus and method for reclaiming metal chips formed while machining metal castings to their finished shape. The apparatus includes a stationary charging tube (100) extending in a generally perpendicular direction from the charge we...  
WO/1996/020290A1
Use: extraction of aluminium and aluminium alloys from aluminium waste. The essence of the invention lies in heating the waste in the form of slag to 760-880 �C and treating it with a reagent which promotes the separation of oxides fro...  
WO/1996/018746A1
A method of recovering metallic aluminum with ease in a high yield at a low cost from metallic aluminum-containing wastes which are becoming more and more abundant in recent years, such as aluminum can, aluminized foil, aluminum scrap, a...  
WO/1996/016192A1
The invention relates to a composition for covering aluminum melt and a method of preparing the same. The composition comprises potassium chloride, sodium chloride, lithium chloride, potassium fluoride and sodium hydrogen sulfate. The co...  
WO/1996/016193A1
Device for continuously treating a flow of liquid metal comprising the disolved suspended impurities, said device comprising a container characterized in that said container has at least one assembly comprised of a gas curtain traversing...  
WO/1996/002681A1
The invention relates to a process of recovering a non-ferrous metal from a dross containing the same. The process involves introducing into a furnace (preferably a rotary furnace) the dross and a coalescing aid for the metal, heating th...  
WO/1996/001332A1
A method of and an apparatus for recycling aluminum having a very low content of impurities, after removing paint and pigment substantially completely from the surface of a used aluminum can. Pressed blocks of aluminum cans are crushed i...  
WO1995027555A3  
WO/1995/029267A1
The present invention relates to a novel method for forming cast metal matrix composite bodies. In particular, the present invention relates to a novel method for forming or recycling metal matrix composite bodies so as to render such bo...  
WO/1995/027555A2
The invention concerns a process for purifying waste furnace gases and for using the resultant filter residue. Alkaline aggregates, containing sodium or potassium as the cation, are added to the waste furnace gas. In a subsequent stage, ...  
WO/1995/025822A1
In the process for improving metallic casting materials, the casting material is first heated to melting point and then kept at a temperature at or above the further processing temperature of the casting material. This melt is partially ...  
WO/1995/023239A1
A process and apparatus are disclosed for recovering a non-ferrous metal, preferably aluminum and aluminum alloys, in molten coherent form from a charge of material to be processed containing the metal. The charge is introduced into a se...  
WO/1995/021273A1
A method of and apparatus for treating molten metal to achieve effective removal of such unwanted inclusions as gases, alkali metals, entrained solids, and the like. The method comprises introducing molten metal into a trough, such as th...  
WO/1995/019454A1
In order to recycle aluminum alloy products for automobiles, especially, surface treated aluminum alloy for bodies of automobiles, automobile aluminum alloy product scraps are used as part or the entire of fusing material at least after ...  
WO/1995/018872A1
Use: in reprocessing aluminium slag by smelting. The essence of the invention lies in the fact that a reagent is introduced into the molten aluminium to promote the separation of oxides and metallic aluminium at a temperature of 800-930 ...  
WO/1995/015404A1
A method of recovering an aluminum-containing metal (16) from a scrap material (14, 14') containing the metal and an organic contaminant, such as paper, plastics, lacquer, paint or oil. The method involves creating a fluidized bed (10) o...  
WO/1995/013402A1
A ladle comprising one or more compartments for continuously processing molten metal, e.g. aluminium or alloys thereof, by means of a gas feeding and immersion heating device. Said ladle comprises a plurality of small diameter, high unit...  
WO/1995/012000A1
A ladle for filtering liquid metal such as Al, Mg or alloys thereof on a filter medium such as a gravel bed (2, 3), comprising a first heater (6) located outside the bed and the liquid metal, and a second heater (11), e.g. an immersion h...  
WO/1995/006757A1
A process is disclosed for treating used aluminum chlorofluoride catalyst either alone or mixed with organics. It involves forming a solution of the catalyst in water or an aqueous acid and then adjusting the pH of the aquous phase forme...  
WO/1995/005488A1
Described is a method of reprocessing flat substrates, such as foil, sheet or strip, coated with metal, in particular aluminium. The metal is separated from the substrate and granulated. To this end, the invention calls for the metal-coa...  
WO/1995/003434A1
Aluminium with a purety exceeding 99.998 %, produced by electrolytic refining, such as obtained at the outlet of the refining tank without subsequent processing, its rare earth content being less than 100 ppb and its total uranium and th...  

Matches 401 - 450 out of 3,144