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WO/2002/000407A1 |
The invention relates to a device for heating a meltable material, such as plastic, before it enters a processing installation, such as a casting or extrusion installation. The inventive device comprises a conveying channel (1) for the m...
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WO/2001/092801A1 |
A device (24) adapted for attachment to a thermal processing furnace (2), the device includes a housing (26) having first (8) and second (10) openings with a chamber (28) located therebetween, the second opening is operatively connected ...
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WO/2001/088451A1 |
A gettering system (38) for a CAB furnace (34) has a gas source to supply a nitrogen gas to a controlled atmopshere brazing (CAB) furnace (34) and an active metal getter source (40) disposed within the CAB furnace (34) to remove oxygen a...
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WO/2001/088453A1 |
Switching valve and a regenerative thermal oxidizer (10) including the switching valve (20). The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve (20) has a seal plate (100) that def...
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WO/2001/068927A1 |
A continuous nickel matte converter and method for the efficient production of low iron nickel-rich mattes from high-iron nickel-rich mattes, with minimal environmental impact. The present invention processes high-iron, nickel-rich prima...
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WO/2001/057458A1 |
A modular furnace (10) is fabricated from at least one module (12) having a frame (14), a removable cover (18) mounted to the frame, exterior cover panels (20) on the frame, and an insulated case (32) fastened to the interior of the modu...
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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...
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WO/2001/038589A1 |
The invention relates to a method and device for pre-heating a charge for an electric arc furnace (EAF) (1). The reoxidation on pre-heating HBI and DRI in the EAF (1) is avoided, whereby the pre-heating of the charge is achieved by means...
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WO/2001/030527A1 |
A chain/ring making brazing furnace, comprising a conveying device for conveying longitudinally a chain to be heated (1) having a joining powder brazing filler metal to the vicinity of a butting portion of a gold/gold alloy- and platinum...
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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 ...
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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...
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WO/2001/023161A1 |
The invention concerns a gas oven for continuous curing of rubber products, comprising means heating a curing zone (29) through which the product to be treated moves. The oven consists of juxtaposed modules (1, 2, 3) incorporated in a pr...
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WO/2001/020053A1 |
The invention relates to a method for the heat treatment of homogenised, cooled cast metallic slugs, which, in relation to a diameter of 200 mm, is reheated to the required temperature for a maximum period of 20 minutes and then subjecte...
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WO/2001/018259A1 |
Gravitational type furnace for the direct reduction of mineral iron comprising a median reaction zone (16) in which the reactions to reduce the mineral iron occur, means (12, 13) to feed the mineral iron to said reaction zone (16), distr...
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WO/2001/013054A1 |
An apparatus (10) for heat treatment of a wafer (28) is disclosed. The apparatus includes a heating chamber (18) having a heat source (20). A cooling chamber (32) is positioned adjacent to the heating chamber and includes a cooling sourc...
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WO/2000/079197A1 |
A continuous pusher furnace (10) includes a product carrier (36) assembly forming a traveling gas barrier. The product carrier (36) assembly comprises a pusher plate (38) disposed to receive product thereon and a gas barrier (46) extendi...
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WO/2000/077467A1 |
A through-hole sealing device capable of sealing a through hole through which a pipe is passed with a simple structure even if a pressure difference is large, wherein a plurality stages of gland packings (26) are arranged on the outer pe...
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WO2000036354A9 |
A single furnace system (10) integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction (23) heating environment and a convection (24) heating environment) integrated su...
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WO/2000/058678A1 |
Equipment (60) for surface transmission of infrared radiation, comprising a thermally insulated wall (62) forming a tunnel (63), in addition to a plurality of individual surface transmission devices (1) disposed in relation to and inside...
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WO/2000/055559A1 |
A rotary hearth furnace for reducing a feed material. The rotary hearth furnace (10) includes a rotating hearth (12) disposed in an enclosure and mounted for rotary movement. The enclosure includes an annular inner wall (14), an annular ...
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WO/2000/052215A1 |
The invention provides a process and installation for the treatment of a solid. The process includes passing the solid along a kiln having a hollow interior, while supporting the solid on supports moved successively along the kiln and he...
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WO/2000/037687A1 |
A complex fluidized bed type apparatus for reducing a fine iron ore, and a method therefor, are disclosed in which the reactivity of the fine iron ore particles, the gas utilization degree and the gas consumption rate are most efficientl...
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WO/2000/029799A1 |
A dual resistive heater system includes a base or primary heater (120A), surrounded by a peripheral or edge heater (120B). Both resistive heaters deliver heat to a heated block, and the heaters and heated block are substantially enclosed...
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WO/2000/027765A1 |
A heat treatment oven (1) defines a plurality of inner chambers or zones for receiving Cathode Ray Tubes stacked in two rows and vertically orientated with front faces of tubes facing one another. The oven includes heating means in the f...
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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...
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WO/2000/014286A1 |
The invention relates to a method for heat-treating recyclings containing oil and iron oxide in a multiple hearth furnace. Said oven has several superposed tiers. The recyclings containing oil and iron oxide are mixed with a solid reduci...
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WO/2000/008216A1 |
Apparatus for use in the secondary refinement of a metal, particularly steel, is disclosed, which includes an elongated vessel (10) of which the length to width ratio is greater than 2, the vessel (10) being provided with at least one ch...
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WO/1999/031021A1 |
According to the present invention there is provided a refractory lined glass melter (10) for producing refined glass from raw glass-forming material (30) using at least one oxygen-fuel burner (34) recessed within a burner block (38) mou...
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WO/1999/027144A1 |
The present invention relates to an operation method of furnace equipment for magnesium alloys, wherein a bath surface is covered with a protection gas containing a sulphur compound. The purpose of this invention is to reduce the product...
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WO/1999/017069A1 |
An oven assembly (10) having a housing (12) enclosing a cooking compartment (16) and a blower compartment (18), and having a blower (22) for circulating air within the cooking compartment (16), a door (14) mounted to the housing (12), an...
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WO/1999/004067A1 |
A rapid thermal processing (RTP) chamber comprising a transparent plate and a body, the plate sealed with a gas tight seal against the body, the gas tight seal activated by inflating an inflatable element.
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WO/1999/002978A1 |
The present invention concerns a method for producing a controlled atmosphere having an oxygen partial pressure of below 10?-13¿ Pa and an operating temperature above 1000 °C. According to the invention a furnace is vented by a gas mix...
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WO/1999/002287A1 |
Fluxless melting of magnesium (alloy) metal applying a gas mixture of dry air and SO¿2? as protection atmosphere is provided where a constant pre-set level of SO¿2? is maintained by means of two mass flowmeters where one of them is in ...
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WO/1998/045658A1 |
A surgical warming system (102) heats medical items of various sizes, independently and simultaneously for immediate use. The warming system (102) includes a plurality of compartments (124, 126, 128), each separately heated and controlle...
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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...
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WO/1998/035196A1 |
A metal melting apparatus comprises a metal melting furnace (10) for melting a metal stock with flames from an oxygen burner (11), which uses an oxygen as a support gas, and an oxygen supply equipment for supplying to the oxygen burner (...
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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...
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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 ...
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WO/1997/024571A1 |
A gas flow furnace capable of generating a high-temperature strong circulating flow with low power comprises heat sources (3A and 3B) which heat a circulating gas outside the surface, and an out-of-furnace circulating passage (4) which t...
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WO/1996/041896A1 |
Method for improving the energy input during the heating and melting of a scrap bulk, in which a channel is burned into a scrap bulk and additional energy for the heating and melting of the scrap bulk is input through this channel, where...
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WO/1996/041109A1 |
A substrate thermal condtioning apparatus (10) with a chamber (12), a plate (32) located in the chamber (12) and a gas supply (14). The plate (32) has a top heat transfer surface with grooves (42) therealong. A substrate (S) is placed on...
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WO/1996/021048A1 |
An apparatus for and a method of melting fine particles containing carbon, capable of uniformly burning and melting the fine particles throughout the entire zone of the combustion flame. The apparatus includes a triple tube structure inc...
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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...
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WO/1996/017215A1 |
A non-oxidizing heating method and an apparatus therefor, in which a non-oxidizing gas of high temperature is continuously produced and supplied into a furnace while operations are repeated such that a plurality of regenerative heaters a...
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WO/1996/001967A1 |
A combustion assembly (A; A') for placing in one wall (5; 5') of a furnace (F), comprising at least one pair of burners (1, 1') burning a fuel/oxidant mixture, and an oxidant nozzle (3) between the burners of the burner pair, the axes (2...
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WO/1995/034791A1 |
The process implemented in a rotary kiln (1) provided with an oxyburner (5) comprises the steps of adding to the metal charge in the kiln a solid fuel charge in proportions higher than 1.5 % and injecting, in the direction of the combine...
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WO/1995/033860A1 |
A sealing device positively performs sealing of the outlet/inlet of a controlled atmosphere heat treatment furnace. A metallic web (21) is held between a pair of elastic rolls (23) and a pair of additional elastic rolls (26) so as to sea...
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WO/1995/033861A1 |
The invention is directed to improving a sealability on end surfaces of elastic rolls and reducing a rotating load. A sealing device (20) is provided for gastightly sealing outlet/inlet of a bright annealing furnace (22) with respect to ...
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WO/1995/033521A1 |
Combustion of leakage gas caused by spark due to static electricity is quickly and positively detected and counteracted outside and near a sealing device provided at inlet/outlet of a compartment of a continuous heat treatment furnace or...
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WO/1995/023239A1 |
A process and apparatus are disclosed for recovering a non-ferrous metal, preferably aluminum and aluminum alloys, in molten coherent form from a charge of material to be processed containing the metal. The charge is introduced into a se...
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