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Patent Searching and Data


Matches 301 - 350 out of 4,584

Document Document Title
WO/2000/059838A1
An apparatus and method for the thermal treatment of an object, such as a glass optical fiber preform. The downtime of an optical fiber drawing apparatus can be considerably shortened, by providing preforms which have pre-optimized draw ...  
WO/2000/055558A1
The present invention can be used in the field of machine-tooling, in the building industry as well as in metallurgy and relates to a device for producing semi-finished products made of aluminium foam. This device ensures a uniform heati...  
WO/2000/055103A2
The invention relates to coated quartz glass components which are directly contacted to molten baths for instance. The invention also relates to a method for coating. The aim of the invention is to provide quartz glass components which a...  
WO/2000/048771A1
The invention concerns an appliance for moulding parts made of very reactive metal or mixture of metals, comprising, inside a vacuum chamber (15) a cold induction-heated crucible (1) whereof the base comprises a removable sectored plug (...  
WO/2000/036155A1
Gravitational type furnace for the direct reduction of mineral iron comprising a median reaction zone (14) in which the reactions to reduce the mineral iron occur, means (11) to feed the mineral iron to said reaction zone (14), means (18...  
WO/2000/032532A1
Vertical tall retorts are commonly used in a variety of metallurgical and chemical processes. Most of these retorts are counter flowing process, gases flowing upwards through a bed of packed solids moving vertically toward a discharging ...  
WO/2000/004197A1
Apparatus for a metal reduction and melting process is disclosed, in which a metal and carbon containing burden (15) is heated in an induction furnace (10) comprising a heating vessel (11) in which the burden (15) can float in at least o...  
WO1999052127A3
The invention relates to a method for the mass-spectrometric on-line determination of the oxygen isotope composition of a sample. Using the inventive method, the delta <18>O-values of both organic and inorganic samples can be rapidly det...  
WO/1999/052127A2
The invention relates to a method for the mass-spectrometric on-line determination of the oxygen isotope composition of a sample. Using the inventive method, the $g(d)?18¿O-values of both organic and inorganic samples can be rapidly det...  
WO/1999/050600A1
An ash melting furnace capable of a high-efficiency, stable operation and accommodating load variations, which is used for mixed melting for heating and melting main ash and flying ash as burned ash simultaneously, characterized in that ...  
WO/1999/009230A1
A heating furnace tube, a method of using the same and a method of manufacturing the same which have been developed with a view to eliminating inconveniences occurring when a carbon-containing fluid is made to flow in the heating furnace...  
WO/1998/055422A1
The present invention relates to a method for firing ceramic articles such as bricks. This method comprises forming channels (8, 9) in stacks of articles, arranging said stacks at given intervals on the bottom of a furnace so as to form ...  
WO/1998/028660A1
A description is given of a furnace (1) for Rapid Thermal Processing of a wafer (7), in which furnace the wafer (7) is heated by lamps (9), and the heat radiation is reflected by an optical switching device (15, 17) which is in the refle...  
WO/1998/023369A1
An installation for the thermal treatment of products by microwave energy has the following features: a heating chamber with a housing (10) and a thermal insulation (12) on the inner side of the housing (10), a microwave energy source of...  
WO/1998/022628A1
An installation for removing mercury from waste materials by vacuum distillation comprises at least three electrically heatable, mobile, hermetically sealable furnaces (1), which, in order to form a cluster, are connected via a connectin...  
WO/1998/000240A1
For optimal coating results with optimal energy use, a device and process for coating a workpiece (1) wherein the workpiece (1) is inductively heated before and/or after the coating medium is applied and wherein the coated workpiece (1) ...  
WO/1997/046842A1
A vertical heat treatment device with a good uniformity and repeatability. A heater (21) of a heating furnace (2) is at the side of the heat treatment region (13) in a process chamber (1). Therefore the heat temperature distribution in t...  
WO/1997/042134A1
The invention relates to a process and arc oven for bending ceramic flat sheets into ceramic curved sheets by heat treat. The process mainly comprises placing the ceramic flat sheet(s) inside the oven chamber defined by at least a part o...  
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/1997/032047A1
A furnace for smelting and retiring metallic and non-metallic ores comprising a chamber (9) for processing said ore and an electric heating means (6) arranged in said chamber (9), characterised in that said chamber (9) is hermetically cl...  
WO/1997/028409A1
An electric furnace comprising a heating element formed of lanthanum chromite based hollow ceramics and opened at both ends thereof and having such terminal portions that a cross-sectional area of the ceramics at surfaces of both ends th...  
WO/1997/026097A1
A method of regenerating casting sand at a low cost by efficiently burning carbon components adhering to the surface of used casting sand, etc. A pressure reducing pump is connected to one side of a combustion furnace accommodating the u...  
WO/1997/017477A1
An apparatus for holding molten metal in a container having an opening in the bottom thereof, comprising an electromagnet for forming a horizontal magnetic field in a lower part of the molten metal in the container, and an electrically c...  
WO/1997/007362A1
A device for the heat treatment of a material, which device has a kiln chamber (2) for the heat treatment material and at least one preferably cylindrical heating furnace (4a, 4b) arranged on the upper surface of the kiln chamber (2) and...  
WO/1996/026785A1
An exhaust gas discharged from a combustion apparatus, such as a boiler and an absorption liquid are brought into contact with each other, and lime stones of a large particle size are allowed to stay selectively in a position in which th...  
WO/1996/017968A1
The present invention provides a method and an oven (10) of heat-treating an oxygen-sensitive workpiece. In the invention, an oven (10) has an oven chamber (50) and an outer housing (12), with an enclosure (80) being defined therebetween...  
WO/1996/007071A1
An apparatus and method for rapidly and uniformly heating a workpiece (12) includes a plurality of walls defining a first chamber (20), a first source of radiation (44) for producing incident radiation on a first energy transfer surface ...  
WO/1996/001033A1
An electric furnace for heating a metallic material contained in a crucible (120) which is positioned on a base (114). The electric furnace includes a sleeve (100), an electric heating element (106) disposed on the inner surface of the s...  
WO/1995/017528A1
In steel-making there are conflicting processing requirements at different stages of the process. The method and apparatus of the invention creates different processing conditions at different stages of the process. Molten ferrous materi...  
WO/1995/012104A1
The temperature of articles (1) in an "environmental" chamber (2) is stabilized by evacuation of the "environmental" chamber, after having stabilized the temperature of such an article (1) to approximate that of a controlled-temperature ...  
WO/1994/025814A1
A method for heating a mass (10) in a partial vacuum, said mass being placed in a closed heating chamber (3), and a first wall area of said heating chamber being connected (5) to a suction source (6). At a distance from said first wall a...  
WO/1994/024318A1
An electrical apparatus is provided for the conversion of compounds, elements, or mixtures which are in particulate form, into new compounds, elements or mixtures in gaseous, liquid, or particulate form. In a reaction chamber, particulat...  
WO/1994/018556A1
A portable thermal analysis device, in particular "on site" analyses for determining the TOC-value of samples of liquid and solid substances, has a housing (1) in which is arranged a temperature-regulated oven (6), into which at least on...  
WO/1994/016642A1
A baking oven is to be used for binding dental-ceramic material with titanium. In order to prevent the metallic titanium surfaces from being oxidized by the oxygen which emanates from the heat insulation of the baking chamber during the ...  
WO/1994/013841A1
A multipurpose atmosphere heat treatment apparatus capable of treating small quantities of multiple kinds of articles flexibly, and also capable of being used for the mass-production of articles. A transfer passage is provided so as to p...  
WO/1994/014051A1
A graphite oven for thermoelectrically atomising atomic absorption spectroscopy samples has a tubular oven body (12) with a bore whose cross-section is reduced at its ends and which may be heated by an electric current flowing in its cir...  
WO/1994/007101A1
A radiant heating furnace comprising a housing which is split into at least two parts which are movably mounted so that they can be brought together to enclose a specimen to be heated, each part including at least one substantially linea...  
WO/1993/025360A1
A process is disclosed for drying and/or baking raw bricks. Each raw brick (2) is arranged per se on a transport means for drying (12) and/or baking (20) at such a distance from the other raw bricks that all raw bricks react as individua...  
WO/1993/024801A1
In a hardening installation, especially for magazines (7) with lead frames fitted with electronic components, there is at least one box (R2) closable by a door (6) in which is arranged at least one fan (17a, 17b) to pass hot gas over the...  
WO/1993/023713A1
A vertical heat treatment apparatus which has a heat insulating body having heat insulating property, high allowable overload and pressure resistance sufficient to cope with the increase in the diameter of a substrate and with the treatm...  
WO/1993/016571A1
A microwave furnace (10) is provided comprising an enclosure (12) for the confinement of microwaves, means defining an aperture (20) in a wall (18) of the enclosure (12), and at least one radiant heating element (16) moveable between a f...  
WO/1993/014229A1
The description relates to a device for heat-treating metal workpieces having at least two furnace units (12, 14) of which at least the first one (12) has a plurality of individual chambers (13), each of which can be closed by gastight d...  
WO/1993/012380A1
An apparatus, and method of operating the apparatus, wherein a feed material is converted into a glassified condition for subsequent use or disposal. The apparatus is particularly useful for disposal of hazardous or noxious waste materia...  
WO/1992/021147A1
An apparatus for batch processing flat articles such as semiconductor wafers (14) in a sealed chamber (12) and a method of measuring and controlling the temperature of articles stacked in parallel in the chamber. A pyrometer (53) is posi...  
WO/1992/010125A1
A cubic melting device as shown in Fig. 2 for repeatedly melting polyethylene exclusively, in which five vessels as shown in Fig. 1 each filled with polyethylene are housed. The device can be easily operated with signal setting. Some mod...  
WO/1992/008068A1
A reduced pressure reaction chamber (100) allows rotation and translation of a workpiece (108), using a sealed rotate and translate actuator (114). The reaction chamber (103) has rigid walls (111), and is particularly suited to reduced p...  
WO/1991/010873A1
In a rapid thermal heating apparatus lamps (19) are disposed in a plurality of light pipes (21) arranged to illuminate and supply heat to a substrate (61). The light pipes (21) are positioned so that the illumination patterns overlap. Th...  
WO/1991/002106A1
An enhanced vertical thermal reactor system provides three isolated chambers including a wafer handling chamber (12), a process chamber (14) including an elevator, and a cool-down chamber (16), each sealed from the other. The sealing of ...  
WO1990014184A3  
WO/1990/014184A2
A continuous furnace for sintering both sides of sintered disks on substrates simultaneously has a muffle (3), a belt conveyor which runs alongside the muffle and carries the substrate (1), and a pair of synchronously driven, mutually pa...  

Matches 301 - 350 out of 4,584