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Patent Searching and Data


Matches 301 - 350 out of 4,641

Document Document Title
WO/2001/047829A1
The invention is directed at a method for controlling the amounts of microwave energy and conventional radiative or convective heat in a microwave assisted kiln for firing ceramics. The method involves subjecting the ceramic material to ...  
WO/2001/045880A1
The invention relates to a pre-treatment device and method for production of a thixotropic metal bolt (10), in a casting chamber (30) of a thixo-moulding unit. The pre-treatment device comprises a container (14), for accommodating a meta...  
WO/2001/038847A1
Method and apparatus for producing a specimen bead in a mouldible (9) for future analysis wherein a halogen gas is passed over the surface of the specimen whilst molten to increase surface tension thereof thus enabling the bead to be rel...  
WO/2001/031698A2
The aim of the invention is to thermally treat objects, especially semiconductor substrates, in a complete and effective manner and in a reaction chamber. According to the inventive method, at least partial areas of the object are heated...  
WO/2001/029901A2
The invention relates to a device and a method for tempering at least one process good (3) under a certain process gas atmosphere (111) of at least one process gas (4) by means of a tempering unit (6) which is provided with at least one ...  
WO/2001/027549A1
An electro-smokeless extraction/recovery system for converting shredded scrap tires to carbon black and steel and fluid discharge of oil, gas and solvent chemicals comprises a reaction vessel (12) is formed with a side wall (14) and a bo...  
WO/2001/017919A1
An article of relatively pure silica, and a furnace (50) and method of producing the article. The article is produced by collecting molten silica particles (30) in a refractory furnace (50) in which at least a portion of the refractory (...  
WO/2001/014087A1
A device for hot isostatic pressing comprises a pressure vessel (1), a heat-insulating casing arranged inside the pressure vessel (1), a furnace chamber (3) enclosed by the casing (4), and, arranged therein, a load compartment (5) for re...  
WO/2001/006537A1
An apparatus for limiting interaction of electron beams produced by adjacent electron beam guns (54) mounted within a vacuum chamber (12) of a furnace (10). The apparatus includes suspending one or more barriers (76, 68) within the vacuu...  
WO2000055103A3
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/2000/073222A1
The present invention relates to the production of a vitreous-siliceous material from broken glass which is used for the inner or outer finishing of buildings and structures, floors or for realising artistic decorative panels. The purpos...  
WO/2000/070103A1
The present invention relates to a method and equipment, whereby matte with a high non-ferrous metal content and disposable slag are produced simultaneously in a suspension-smelting furnace from non-ferrous sulphide concentrate. Accordin...  
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 ...  
WO1997019308A3  
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/1997/019308A2
The invention relates to a device for applying microwaves to materials and individual items, which has the following features: (a) a particularly multimode microwave chamber is provided which has at least one charging passage with a seal...  
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...  

Matches 301 - 350 out of 4,641