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WO/2004/070301A1 |
A seal structure of a solid feeding screw such as a raw material leveling screw and a product delivery screw installed in a heating furnace (1) capable of lifting the solid feeding screw (3) while assuring the airtightness of the heating...
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WO/2004/033731A1 |
The invention concerns a heat treatment method for metal parts (6) arranged in feed (5) wherein the feed of parts is successively brought into a vertical treatment furnace (1) capable of being opened downwards, said method consisting in:...
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WO/2004/009279A1 |
When an aluminum product is preheated to about 500ºC in preheating furnace (6) before flux brazing of the aluminum product in a heating furnace, the heating time for brazing the aluminum product through heating the same in a continuous-...
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WO/2004/007819A2 |
The invention concerns a method which consists in heating carbon products in an oven (10) under reduced pressure and under neutral gas sweeping, while continuously extracting from the oven gas effluent containing elementary or combined s...
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WO/2004/001309A1 |
The invention relates to heat treatment of articles. In order to extend the functional capabilities of an electric furnace and improve the quality of the heat treatment therein, the power-supply system of an electric vacuum-annealing fur...
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WO/2004/001310A1 |
The present invention relates to a method of and a burner for generating a flame in a combustion zone of a rotary kiln. The burner comprises at least a burner tube (4) extending into the kiln from outside of the kiln and means (3) for in...
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WO/2004/000751A2 |
The invention concerns a method for preparing a blend consisting of power station ashes and/or slugs, and/or coal wastes in a quantity of 60-95% by weight, as well as an agglomeration promoting binder, including sewage after-fermentation...
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WO/2003/095921A1 |
Valve (25) with heated sealing gas suitable for use in a regenerative thermal oxidizer (10), and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In...
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WO/2003/091462A1 |
A vertical muffle type heat treating furnace, comprising a vertically disposed muffle allowing metal strips to be led therein from an upper side to a lower side, a heating zone for heating, from the outside of the muffle, the metal strip...
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WO/2003/089864A1 |
An induction furnace wherein a susceptor made from an alloy comprising niobium, hafnium and titanium is positioned within the induction coil of the furnace. Such a suspector can withstand prolonged use in an induction furnace, at high te...
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WO/2003/087689A1 |
An induction furnace capable of operation at temperatures of over 3100°C has a cooling assembly (60), which is selectively mounted to an upper end of the furnace wall (76). The cooling assembly includes a dome (62), which is actively co...
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WO/2003/080874A1 |
A method and an apparatus (50) for producing direct reduced iron (37) from dry pellets (25) composed of iron oxide and carbonaceous material. A mixture of pellets (25) and free coke particles (38) with weight relation from 3:1 to 5:1 is ...
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WO/2003/078072A1 |
The device for homogeneous impingement of a planar surface (2) of a tool with a heated gas comprises a nozzle plate (5) which is provided with nozzles (3) and which extends in a parallel position to the planer surface, being provided wit...
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WO/2003/067167A2 |
An Overfire Air (OFA) port design and method (210, 211) for use in a furnace system is disclosed. The OFA design effectively reduces the amount of harmful pollutants emitted into the atmosphere upon discharge from an associated furnace.
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WO/2003/064922A2 |
Incinerator improvements involving seals around a pulsing hearth floor (158) or between moving hearth floor sections. The seals (167, 168, 169) reduce or prevent the passage of contaminating gases into or out of an incinerator chamber ha...
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WO/2003/062480A1 |
The invention relates to a method for production of metals or metal alloys of high purity, in particular metallic chrome, whereby metallic elements are treated under pre-determined conditions of temperature and pressure. Said elements co...
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WO/2003/062727A1 |
A resistance furnace known per se comprises a tubular heating element (2) with a vertical longitudinal axis (3), said element having a lateral surface that is delimited by an upper and lower side and surrounding a furnace chamber. The el...
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WO/2003/060409A1 |
A furnace (100) which heat treats substrates (132) including a heating section (102) and working components. The heating section (102) includes heating coils (142) having spacers (143) disposed within the heating coils (142) where a mass...
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WO/2003/035307A1 |
The invention relates to a method for controlling the binder-release process for MIM- (Metal Injection Moulding), or CIM- (Ceramic Injection Moulding) pieces, in which a polymeric plastic, for example, is used as binder, which, by intera...
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WO/2003/035562A1 |
A furnace (10) and method for heating conveyed glass sheets within a housing (12), consisting of side walls (14a, 14b) and a floor (15) includes forced convection heaters (24) spaced along the direction of conveyance both below and above...
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WO/2003/029742A1 |
An electrostatic levitation furnace, wherein three sets of electrodes opposed to each other on three axes orthogonal to each other around the levitated position of a specimen are installed in a vacuum chamber, and an access port directed...
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WO/2003/021175A1 |
The invention relates to a system for heating and otherwise treating work in a production system for mechanical products such as motors, and also relates to a production system including this system, adapted to reduce the line stock, kee...
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WO/2003/021176A1 |
A continuous pusher furnace (10) includes a product carrier assembly (36) incorporating a traveling gas barrier (46). The product carrier assembly comprises a plate (38) disposed to receive product thereon and a gas barrier extending upw...
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WO/2003/012849A1 |
The exhaust pressure in an exhaust system (15) for exhausting a treatment furnace (2) is measured as an absolute pressure by a differential pressure gage (23) for measuring the pressure as the differential pressure between the exhaust pr...
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WO/2003/010477A1 |
An induction melting furnace (10) comprises a melt chamber (12) for heating a melt either directly by magnetic induction, or indirectly by magnetic induction heating of the melt chamber (12), or a combination of the two, and a meter cham...
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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...
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WO/2002/103067A2 |
In order to melt down aluminium in an oven, a method is known whereby a starting material containing aluminium is supplied to an oven, is pre-heated in an upper region of the oven by means of oven flue gas, and is then heated by means of...
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WO/2002/101806A1 |
The invention relates to a method and a device for the thermal treatment, especially short-term, of flat objects in particular, such as semi-conductor, glass or metal substrates. Heat is, at least in part, supplied to or taken away from ...
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WO/2002/097347A1 |
The invention relates to a method for the thermal treatment of raw materials in which an furnace (2) is charged with the raw material and at least two gas phases introduced into the furnace in which the raw material is subjected to the t...
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WO/2002/093098A1 |
A gas seal for the material inlets (10') and outlets (10*) of reactors (1) for treating strands (7) and strips (7) of material. The openings are sealed (10) by gas curtains which are created by means of gas flows, which are oriented in a...
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WO/2002/088400A1 |
An oxygen fueled combustion system includes a furnace (14) having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and ...
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WO/2002/086405A2 |
The present invention relates to a slagging combustion furnace in a gasification and slagging combustion system in which wastes are gasified to produce combustible gas in a gasification furnace, and the produced combustible gas is combus...
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WO/2002/083281A1 |
A delivery system for generating a sparging gas containing catalyst particles and delivering them to a flame zone (62) of a combustion reaction is disclosed. A catalyst mixture receptacle (2) for the delivery system includes a floating b...
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WO/2002/082523A1 |
A heat treating device comprises a reaction vessel by which a treatment subject is carried in and out, a treatment gas introducing section for introducing a treating gas into the reaction vessel, a substitute gas introducing section inst...
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WO/2002/075009A1 |
The present invention refers to a method and an equipment for curing and drying self-reducing agglomerates containing cement as a binder in the presence of saturated vapor at a temperature from about 70 to about 110°C and under atmosphe...
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WO/2002/072894A1 |
The present invention relates to an arrangement and method that help to reduce the build-up formed on the grate of a fluidized-bed furnace in the roasting of fine-grained material such as concentrate. The concentrate is fed into the roas...
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WO/2002/071811A2 |
An electrode seal for an electric arc furnace comprises an annular support ring having an internal diameter substantially greater than the diameter of the electrode, and which is secured to the furnace roof by a plurality of mounting fee...
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WO/2002/068349A1 |
The invention concerns a device for blowing a fluid on at least a surface of a thin strip-type element, comprising, inside a chamber (2) having a horizontal longitudinal axis (XX') corresponding to the strip axis of movement, at least a ...
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WO/2002/058863A1 |
A bottom heated holder furnace (10) for containing a supply of molten metal includes a storage vessel (20) having sidewalls (22) and a bottom wall (24) defining a molten metal receiving chamber (26). A furnace insulating layer (32) lines...
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WO/2002/059955A1 |
A heat treatment method, comprising the steps of carrying an LCD substrate into the reactor of a heat treating unit, blowing preheated He gas for heat exchange from a gas feeding part opposed to the surface of the LCD substrate against t...
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WO/2002/055746A1 |
The invention relates to an apparatus for feeding finely divided solids, containing at least sulphidic metal concentrate, and oxygenous oxidizing gas into a suspension smelting furnace, said apparatus comprising elements for conducting s...
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WO/2002/055635A1 |
A solid fuel gasifier includes first wall structure (12) defining a gasification chamber (14) and means (50, 52) to collect particulate solid residue from gasification in the gasification chamber. Second wall structure (16) defines a gas...
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WO/2002/041370A2 |
A resistive heater comprising a doped ceramic heating element embedded either partially or completely within a matrix of undoped ceramic material. The ceramic may be silicon carbide, and the dopant may be nitrogen. Many of the advantages...
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WO/2002/033133A1 |
The invention relates to tubes which are coil-shaped, and a plurality of coils which are annealed together and then coated with a protective gas. Each coil is connected to an individually controllable protective gas supply line and to an...
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WO2001091940A9 |
A container system (10A) including a vessel (20A) for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet (60A) and an ejection system for cleanly discharging the processed thixotropic semi-solid alum...
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WO/2002/023110A2 |
A method is described for reducing NOx emissions and improving energy efficiency during mineral processing in a rotary kiln (12). The method comprises injection of air (32) with high velocity/high kinetic energy into the kiln to reduce o...
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WO/2002/022249A1 |
A method and apparatus for the debonding and sand core removal of sand cores from cast parts, the heat treating of metal parts and the removal of organic contamination from metal parts, which is utilizing a fluid bed furnace having an im...
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WO/2002/010465A1 |
Apparatus for heat treating a cutting tool (12) comprises a furnace (2) and a tool holder (14) within the furnace adapted to receive therein a first portion of the tool (12), a second portion of the tool (12) projecting from the tool hol...
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WO/2002/007181A1 |
The invention relates to an oven for sealing a panel to a funnel, thus forming an envelope suitable for use in a display tube, comprising a tunnel structure (9) and at least one mount for conveying an assembly of a panel and a funnel thr...
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WO/2002/006748A1 |
The invention relates to a controlling device (7) for modifying the inner flow cross-section of a line through which a gas stream (8) flows. The controlling device comprises a control element for modifying the flow cross-section accordin...
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