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Patent Searching and Data


Matches 751 - 800 out of 12,373

Document Document Title
WO/2000/023183A1
The invention concerns a method and a device for heat treatment of finely divided solids, which consist in organising a gradual and continuous unidirectional displacement of solid particles along a vibro fluidised bed, and in subjecting ...  
WO/2000/022362A1
A method and apparatus is disclosed for heating metal billets or other separate pieces of metal in a continuous furnace using two different burner systems. The primary burner system provides the majority of available heat at relatively h...  
WO/2000/022363A1
The invention relates to an aerodynamic seal in which two separate slit nozzles (13, 14; 15, 16) are assigned to each side of the metal strip (3) which is fed into the facility. Said slit nozzles are arranged successively at a distance f...  
WO1999066094A3
A heating system (20) for heat treating a continuous sheet-like material (50) includes an input end (10) and an output end (30) and a path defined therebetween that extends between the input and output ends for the material to be treated...  
WO2000002232A3
A rapid thermal processing system for flat panel displays includes a processing chamber, a transport assembly for transporting a substrate through the processing chamber, a heating assembly and a temperature sensing assembly (180) for se...  
WO/2000/017404A1
The invention relates to a method for producing directly reduced metal in a multi-tiered furnace, whereby metal oxides and a reducing agent are inserted into the furnace and the process heat required for the reduction of the metal oxides...  
WO/2000/012946A1
A moving hearth reducing furnace is operated, while a gap is provided between a discharging apparatus (1) for discharging reduced iron agglomerates from the moving hearth reducing furnace and the surface of the moving hearth (2). The gap...  
WO/2000/009766A1
The invention relates to a method for the thermal processing of residues containing heavy metals and iron oxide, designed for use in a multiple-hearth furnace which comprises several hearths positioned on top of each other. According to ...  
WO/2000/002829A2
A continuous process for the manufacture of a ceramic sintered comopact wherein the process comprises the steps of: forming a green compact from a powder mixture comprising a first component comprising compounds which contain elements of...  
WO/2000/003188A1
The present invention is directed to an indirect-fired, stationary tube (10), gas/solids or solids/solids, full ceramic pyroprocessing furnace-reactor (80) that uses heat-resistant conveyors (15) to propel solids through the stationary t...  
WO/2000/001995A1
A rapid thermal processing system for flat panel displays includes a processing chamber having a loading/unloading zone and a processing zone, a heating assembly for heating a substrate (52) in the processing zone, and a transport assemb...  
WO/2000/001628A1
A rapid thermal processing system for flat panel displays includes a processing chamber, a transport assembly for transporting a substrate (34) through the processing chamber, and a heating assembly for heating the substrate (34). The he...  
WO/2000/002232A2
A rapid thermal processing system for flat panel displays includes a processing chamber, a transport assembly for transporting a substrate through the processing chamber, a heating assembly and a temperature sensing assembly (180) for se...  
WO/1999/066094A2
A heating system (20) for heat treating a continuous sheet-like material (50) includes an input end (10) and an output end (30) and a path defined therebetween that extends between the input and output ends for the material to be treated...  
WO/1999/059196A1
A temperature control system for a thermal reactor (10) includes multiple temperature controllers each employing one or more dynamic models optimized for a given temperature range, each temperature range exclusive of the temperature rang...  
WO/1999/058918A1
Longitudinal continuous furnace applicable to construction ceramic material, comprising a main body (1) lined inside with refractory brick provided internally with a row of nozzles (2) intended to diffuse hot air generated by coaxial gas...  
WO/1999/051786A1
Steel slabs (20, 21) are heated in a reheating furnace before the hot rolling. A final zone (14) is separated from a direct heating zone (12, 13) and protective gas is conveyed to the final zone in conduits (23, 24) that lead through the...  
WO/1999/032844A1
Disclosed is a method of firing a green ceramic honeycomb structural body containing an organic or carbonaceous material released prior to reacting within the firing atmosphere during the initial firing of the green honeycomb structural ...  
WO/1999/029910A1
The invention relates to a method for producing reduced iron in a layered furnace comprising several superimposed layers, whereby ore is continually fed into the layered furnace, deposited on the uppermost layer, gradually transferred to...  
WO/1999/028689A1
A tunnel kiln (10) for firing ceramic honeycomb structural body comprising a vestibule region (12), a carbonaceous material release region (14) located downstream of the vestibule region and a sintering region (16) located downstream of ...  
WO/1999/028690A1
The invention relates to the use of ceramic materials containing a crystalline phase generically defined as 'oxide' and consisting of at least one metal, one semi-metal or one non-metal such as phosphorus, arsenic, carbon and selenium bo...  
WO/1999/024186A1
Method to control the axial position of slabs emerging from the continuous casting machine, the method providing to control the axial position of the slab (24) in correspondence with the inlet to the first rolling stand and to act in fee...  
WO/1999/019681A1
An apparatus (10) for charging a feed material (12) onto a rotating hearth (16) of a rotary hearth furnace (14), the rotary hearth furnace including refractory lined inner and outer walls and having a refractory roof supported thereon, t...  
WO/1999/016914A1
When iron ore is reduced by repeating a series of operations including feeding a raw material consisting of the iron ore and a solid reducing material to a movable hearth furnace having a hearth moving in one direction, placing the raw m...  
WO/1999/016912A1
A mixed layer of powdery ore and coal char and a powdery coal layer are built up on a hearth moving horizontally, and the powdery coal is reduced and thermally decomposed to obtain coal char. The resultant coal char is used repeatedly.  
WO/1999/016915A1
A method of operating a movable hearth furnace comprising a layer of a powdery solid reducing material containing oxygen as the lowest layer on a movable hearth, and a layer formed on the lowest layer and made of mixed powder of oxide po...  
WO/1999/006779A1
A carbon baking furnace comprising a refractory lined kiln defining a baking path, further comprising a means for substantially continuously receiving green carbon articles, means for packing said green carbon articles in a sacrificial m...  
WO/1999/002458A1
The invention concerns a roller-hearth kiln for heating glazing sheets (6) to their softening temperature comprising, above the roller conveying means (3), vanes forming blow-pipes (12, 13) arranged transversely to the displacement direc...  
WO/1999/000633A1
A method and an apparatus, by which a cooling time for a heating furnace is surely and adequately shortened irrespective of the seasons and without damage to refractory materials in the furnace, and which can also accommodate ceramic fib...  
WO/1998/056517A1
A multi-strand continuous caster (2 or 34) has downstream furnace means (12 or 36) for receiving cast strands (E, F), and a hot strip rolling mill (28) downstream of the furnace means for rolling the strands to strip, said furnace means ...  
WO/1998/054526A1
The invention relates to a charging device for creating superimposed layers of fine-grained bulk material on a rotating hearth (2). For each layer of bulk material to be charged, said charging device comprises a discharge hopper (22) hav...  
WO/1998/053939A1
The invention concerns a method of monitoring and controlling the furnace atmosphere when sintering PM compacts. According to the invention, the gases determining the carbon and oxygen potentials are measured continuously.  
WO/1998/048059A1
The invention relates to a method for heating materials in a furnace (10) having a rotating hearth (12). At least one layer of material is charged onto the rotating hearth (12) and subjected to a hot gas from above. This material layer i...  
WO/1998/046954A1
The present invention relates to a method and a furnace for electric calcining of carbonaceous material for the production of graphite or graphite-containing material. Carbonaceous materials supplied to the top of a vertically arranged f...  
WO/1998/046953A1
The invention relates to a device for charging at least two separate layers of fine grain materials in a hearth (2) of a rotary furnace. The inventive device has at least two discharge bunkers (22�1?, 22�2?) for the fine grain materi...  
WO/1998/045654A1
A process for the preparation of ceramic articles having a thickness of at least about 2.5 cm, which comprises: a) selecting the ceramic composition from the group consisting of silicate material, metal oxides, nitrides and carbides, and...  
WO/1998/043031A1
The invention concerns a tunnel-shaped oven with width designed for receiving one single column (8) of stacked products movable along the oven longitudinal axis, wherein the heating burners (12, 13) are arranged on either side of the ove...  
WO/1998/041806A1
Method for cooling a furnace, and furnace designed to be able to be cooled particularly quickly and efficiently. According to the invention, it is proposed to periodically reverse the direction of flow of a cooling gas which is moved alo...  
WO/1998/040682A1
The invention concerns a carrier for ceramic products which are to be baked, said carrier having at least one vertical support (4) and ceramic carrier rods (7) which are secured thereto and carry the material to be baked (3). The support...  
WO/1998/038344A1
First regenerators (3A-3C) which are in combustion exhaust gas exhaust passages, second regenerators (4A-4C) which are in suction/recovery passages for sucking and recovering N�2?, an atmospheric gas, are provided to three or more rege...  
WO/1998/021538A1
Disclosed is a device for discharging barlike or striplike material from a rotary furnace, comprising a lift-off device which withdraws the barlike or striplike material (22) from the rotary hearth (2) of a rotary furnace, a cutting mech...  
WO/1998/008988A1
A furnace housing (10) comprising a treatment rotor (30) placed on and rotationally driven around a central axis (A) with loading stations (36), each receiving a load of work pieces. Secondary chambers (110, 110') are connected to the fu...  
WO/1998/008227A1
Cylindrical pellet green compacts of nuclear fuel powder are sintered in a microwave field for shorter periods and at lower temperatures than during conventional sintering. A microwave field (GHz) can be used without affecting the qualit...  
WO/1998/005913A1
The invention relates to a movable tunnel kiln for making clay products and system with the tunnel kiln. Said tunnel kiln has a stationary annular bottom and a movable circular arc body on two sides of which wheels traveling on two annul...  
WO/1998/004373A1
The present disclosure is directed to a method of converting green particles to form finished particles. The apparatus used for sintering incorporates an elongated hollow tube (12), an insulative sleeve there about to define an elevated ...  
WO1997044627A3  
WO/1997/044627A2
In the process for the continuous firing of ceramic pipes (30), the pipes (30) lie on two support bars (34, 35) running in the longitudinal direction (28) of the furnace (26). Said support bars (34, 35) form a plurality of descending sec...  
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/1997/039154A1
Vertical annealing furnace for the continuous bright annealing of metal strip (10) guided through the furnace, comprising a vertically disposed muffle (16) having a strip entry side and a strip exit side, as well as heating means for ext...  
WO1997022668A3  

Matches 751 - 800 out of 12,373