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Patent Searching and Data


Matches 751 - 800 out of 17,569

Document Document Title
WO/2003/068997A1
A heat treatment furnace, wherein a heating zone (4), a cooling zone (5), and a quenching zone (6) are provided in order inside a linear furnace body through partition doors (2, 3), a tray pusher (7) is used as a work (W) feed means in t...  
WO/2003/066913A1
A method of heating molten aluminium flowing in a heated trough member comprising the steps of providing a source of molten aluminium and providing a trough member comprised of a first side (14) and a second side (18), the first and the ...  
WO/2003/067154A1
The invention relates to a board (1) for a protection system for a boiler tube wall (5). Said board has a back (1), a front (11) and sides (9, 9a, 9b, 9c) that interlink the back (12) with the front (11). The back (12) is provided with a...  
WO/2003/067166A2
The invention concerns a core-type furnace whereof vertical sectors (20) of a crucible lateral wall are assembled at a position adjustable and invariable by screws (36) engaged in internal threads of a flange (34) common to all the secto...  
WO/2003/066911A1
A lining at the restriction part of a converter capable of more suppressing the falling of bricks than before even if the bricks at the restriction part are stack aslant and increasing a workability at the time of installation, wherein t...  
WO/2003/064095A2
A self-contained crucible assembly (50) for forming a weld between a pair of metal articles (190, 192), includes a container (52) with side walls (54) and a fusible bottom (56), a refractory material (60) lining the side walls (54), an e...  
WO2003046455A8
The invention relates to refractory ceramic checker brick comprising eight wall sections (10.1 .10.8) that adjoin one another at an angle < 90 DEG . Said brick is used for example for the checker lining of chambers of a glass-melting fur...  
WO/2003/060168A2
A cooling plate (10) for a metallurgical furnace comprises a cast cooling plate body (12) made of a ferrous metal and at least one steel cooling pipe (20) cast in the cooling plate body (12). A metallic jacket (26) having a thickness in ...  
WO/2003/053879A1
The invention relates to a fired refractory ceramic moulded piece with a spinel matrix based on (Mg)?2+¿ (Al, Cr)¿2??3+¿ O¿4?, in which coarser particles based on chromium corundum and/or corundum and coarser particles based on ZrO¿...  
WO/2003/054464A1
The invention relates to a method of insulating a furnace with the aid of free-standing elements of insulating material whose volume decreases at high temperatures. The invention is characterised in that the insulating elements are wedge...  
WO/2003/050210A1
The invention relates to a coolable lining for a high-temperature gasification reactor, whereby materials in the reactor which may be gasified and melted at the operating temperature of the reactor are exposed thereto. Cooling elements f...  
WO/2003/046455A1
The invention relates to refractory ceramic checker brick comprising eight wall sections (10.1 .10.8) that adjoin one another at an angle < 90°. Said brick is used for example for the checker lining of chambers of a glass-melting furnace.  
WO/2003/043953A1
The invention concerns an unwrought refractory composition, in particular for producing glass furnace hearths, characterized in that it comprises a base mixture comprising in wt. %: 1 to 6 % of a hydraulic cement, and 94 to 99 % of parti...  
WO/2003/042617A1
A crucible for melting a rare earth element alloy containing, as primary cpmponents, one or more selected from rare earth element oxides including Y2O3 and at least one of Al2O3 and Al2TiO5, characterized in that it is prepared trough th...  
WO/2003/038361A1
A process for vitrifying contaminated waste material (30) includes providing a container (10) including an insulating lining (16), placing the waste material (30) in the lined container (10), subjecting the material (30) to an electric c...  
WO/2003/038360A1
A method is provided for use of a concrete composition and an associated apparatus. The method provides for mixing of the concrete material, accelerant powder and, optionally, an associated substance to enable the controlled hardening of...  
WO/2003/033981A1
The invention concerns a replacement method and a device for assembling and disassembling modules of an electric arc furnace. Said method consists in lifting and pivoting the furnace cover or in only lifting it; when disassembling, it co...  
WO/2003/033979A1
The invention relates to a cooling plate (1) comprising a reinforcement element for ovens provided with a refractory lining. Said cooling plate is provided with cooling agent channels (3) which are arranged inside the plate, and at least...  
WO/2003/033980A1
An applying method excellent in applicability of a monolithic refractory to a molten metal vessel, a molten metal processing apparatus, or a high−temperature furnace and in applied body life as compared to conventional spraying methods...  
WO/2003/033982A1
The invention relates to a melt launder (1, 9, 10) comprising a bottom and edges, said melt launder being particularly meant to be used for tapping a molten phase, such as slag, from a smelting furnace, which melt launder is manufactured...  
WO/2003/034791A1
A mounting enclosure (14) and an improved mounting arrangement for apparatus used in metal melting, refining and processing, particularly those apparatus adapted for steel making in an electric arc furnace (15), such as burners (10), lan...  
WO/2003/031374A1
A film for preventing refractory deterioration is formed on the surface of refractory of a refuse incinerator. Since the preventive film exhibits high adhesion resistance to clinker generated in the incinerator, clicker does not adhere t...  
WO/2003/029114A1
A wear−resistant lining element for a wall exposed to wear, over which piece goods or particulate goods, such as crushed ore and crushed stone material&semi are intended to move in a transport direction, has compartments (2) which are ...  
WO/2003/027336A1
A jig for heat treatment of a work capable of using for long period by eliminating or minimizing the deformation thereof due to thermal distortion and capable of efficiently performing the heat treatment of the work by reducing the amoun...  
WO2001056916A3
Transport vehicle having a main frame (42) with a plurality of wheels and a lift frame (48) movable relative to the main frame (42). A container carrier disposed on the liftframe for supporting a material container (38) and a lift mechan...  
WO/2003/018849A1
A hearth for moving floor furnace having an excellent heat resistance, using inexpensive material, and used for a moving floor furnace for manufacturing reduced iron bulk material by heating and reducing iron oxide bulk material containi...  
WO/2003/016807A1
The invention relates to a device for introducing hot gas into a heating surface pipe of a waste heat boiler, comprising an outer pipe that is connected to the boiler wall, particularly to the bottom of the pipe. Said device also compris...  
WO2002075008A3
Self-reducing agglomerates are provided for use in the production of metal. The agglomerates comprise a mixture of iron oxide containing particles and particles of a reducing agent bonded by use of a pre-gel. The agglomerates are produce...  
WO2002097143A3
Rotary furnace vessel for metallurgical processes, comprising a shell which on its interior surface is covered with a refractory lining based on high purity alumina, spinel, or a combination thereof, characterised in that at least half o...  
WO2002081759A9
The invention relates to a device for preventing slag from flowing along when tapping a molten metal out of a metallurgical vessel, whereby the tap opening of the vessel is formed out of interchangeable pipes, which are located one above...  
WO2002059936A3
A metallic resistive heater includes an electrically conductive metallic component (330) (i.e., has low resistivity) and an oxide, nitride, carbide, and/or boride derivative of the metallic component (330) that is electrically insulating...  
WO/2003/008889A1
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 includes the steps of providing a dry refractory material between a lin...  
WO/2003/008652A1
A method of manufacturing metal iron capable of increasing the operation rate and maintainability of a hearth and being adapted to a long term continuous operation by allowing metal iron powder to be easily removed and the surface of the...  
WO/2003/006905A1
The invention relates to a ring-type baking furnace (1) having two parallel rows of baking chambers which are situated in trough-shaped constructions (2a, 2b), where the trough-shaped constructions (2a, 2b) exhibit outer walls (3a, 3b) a...  
WO/2003/002769A1
A fabricated cooling panel (1) for a furnace or a cupola comprises a metal, preferably steel, backing plate (2) to which is secured a metal, preferably copper, cooling pipe (3). The pipe (3) has at least one outwardly extending fin (4) t...  
WO/2002/102739A1
The present invention relates to a process for forming a vitreous layer on a refractory surface, in which a vitrifying agent is projected by means of an apparatus against the said surface with an oxygen-containing carrier gas and simulta...  
WO/2002/100575A1
A dosing furnace (10) with metal treatment and level control includes a holding chamber (12) for containing a supply of molten metal (50), a pump (22) connected to the holding chamber (12), a molten metal treatment chamber (16, 18) locat...  
WO/2002/101310A1
A sleeve for slag outlet of a waste gasifying melting furnace, comprising an inner tube part formed with a refractory hard to be molten down by molten slag and an outer tube part formed with a refractory installed on the outer surface of...  
WO2002081759A8
The invention relates to a device for preventing slag from flowing along when tapping a molten metal out of a metallurgical vessel, whereby the tap opening of the vessel is formed out of interchangeable pipes, which are located one above...  
WO/2002/100576A1
A molten metal treatment furnace (10) with metal treatment and level control includes a heating chamber (12) for containing and heating a supply of molten metal (60), a pump (22) connected to the heating chamber (12), a molten metal trea...  
WO/2002/099351A1
The present invention concerns a method for creating a thermally stable base structure which may form part of furnaces and means in connection with such a method. In particular, the present invention concerns base structures which may fo...  
WO/2002/099143A1
A method and an apparatus for advantageously introducing a flame and a high velocity oxidizing gas into a furnace for metal melting, refining and processing, particularly steel making in an electric arc furnace. The steel making process ...  
WO/2002/097350A1
The present invention concerns a method and device for closing off one or more passages in a ring furnace for calcining of carbon bodies in which the furnace, during the calcining process, over an area comprising a small number of sectio...  
WO/2002/097351A1
A thermally compensated structural element (1) comprising an upper element (2) and a lower element (3). The upper element consists of an angle section with a mainly horizontal part (15) and a mainly vertical part (16). The lower element ...  
WO/2002/097332A1
The invention relates to a heat shield arrangement (5) for a hot gas conducting structure, in particular a metal component of a gas turbine unit or combustion chamber (10), with heat shield elements (20) anchored adjacently on a support ...  
WO/2002/097143A2
Rotary furnace vessel for metallurgical processes, comprising a shell which on its interior surface is covered with a refractory lining based on high purity alumina, spinel, or a combination thereof, characterised in that at least half o...  
WO/2002/096831A1
The invention concerns a method of coating a hydrophobic substrate (5,15,16) with a hydrophilic protective layer free of organic carbon (20A,20B,20C,20D) to protect the substrate (5,15,16) when used at high temperature. The method compri...  
WO/2002/096830A1
A method of bonding a protective coating on a wear-exposed surface of a carbon tile comprises: applying onto the wear-exposed surface of the carbon tile at least one layer of a slurry of particulate refractory material suspended in a col...  
WO/2002/088399A1
The invention relates to a cooling element (1, 101) for cooling the walls of shaft furnaces. Said element comprises a hot side (Hs) which is directed towards the interior of the furnace, a cold side (Ks) which faces towards the shaft fur...  
WO/2002/087819A1
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 the laser light reflects from the wall ...  

Matches 751 - 800 out of 17,569