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| Number | Title | Issue Date |
| 6596223 | Apparatus for direct smelting A direct smelting process for producing iron and/or ferroalloys is provided, which involves forming a molten bath in a metallurgical vessel, supplying feed materials, injecting oxygen containing gas, generating upward movement of the molten material from ... | 07/22/2003 |
| 6588684 | Fluid injector for tank cleaning A fluid injector system for use in tank cleaning is provided, the injector system including an injector head block housing two disc-shaped injectors which may be rotated inside of the injector head block to change the orientation of bores extending throug... | 07/08/2003 |
| 6582816 | Textile effect yarns and method for producing same A process for combining dyed or melt pigmented textile denier accent yarns in small yarn sizes, into a small building block carpet denier bundle to achieve a face yarn bundle having a wide range of special color effects and appearance, not attainable by m... | 06/24/2003 |
| 6582670 | Feed processing for improved alumina process performance A process is provided for the treatment of an alumina process feedstock prior to transferring the treated feedstock to an alumina process for extracting refined alumina from the treated feedstock. The treatment process includes: (a) heating the alumina pr... | 06/24/2003 |
| 6578595 | Shock elimination for filling system A product fill system and method uses a mode valve. The mode valve is a shuttle valve that allows the shock tube to communicate with the filler valve during a fill operation corresponding to fill mode of the mode valve. If the filler valve is shut off, an... | 06/17/2003 |
| 6565800 | Apparatus for injecting solid particulate material into a vessel An elongate metallurgical lance (27) for injecting solid particulate material into molten material held within a vessel (11) is disclosed. The lance includes a central core tube (31) through which to pass solid particulate material, an annular cooling jac... | 05/20/2003 |
| 6565798 | Method of relining a vessel A method of relining a vessel that is used to carry out a direct smelting process that produces molten metal under conditions requiring molten bath temperatures of at least 1000° C. is disclosed. The vessel is of the type that has a floor that is refract... | 05/20/2003 |
| 6565310 | Steam-powered rotary engine A steam-powered rotary engine is provided in which a rotor arm assembly and an outer ring are positioned such that steam ejected from outlets at the two ends of the rotor arm assembly will impact at a substantially right angle onto steps or depressions fo... | 05/20/2003 |
| 6503323 | Jet stripping apparatus A flow diversion device is provided for use in a gas jet stripping apparatus and includes a baffle having a first portion which, in use, extends longitudinally of the moving strip which is being subjected to the stripping action of the jet stripping nozzl... | 01/07/2003 |
| 6495079 | Process to prepare polymeric fibers with improved color and appearance The use of a sulfonated polyester ionomer resin in a colored, drawn polyamide or polyester fiber results in improved color strength and appearance. Sodium sulfo isophthalate polybutylene terephthalate copolymers when melt blended with synthetic polyamides... | 12/17/2002 |
| 6490900 | Pipe gauging and rounding apparatus and method Apparatus and method for gauging and rounding, at room temperature, a section of fully formed seamless ductile iron pipe that has an out-of-round initial cross-section profile and/or a larger than desired initial gauge. The apparatus includes a set of hou... | 12/10/2002 |
| 6484170 | Generating searchable data entries and applications therefore New techniques for generating entries in a content addressable memory (CAM) capable of comparison operations such as "greater than" and "less than" decisions are described. The techniques can be used with binary or ternary CAMs. The number of CAM entries ... | 11/19/2002 |
| 6482249 | Direct smelting process A direct smelting process for producing iron and/or ferroalloys is provided, which involves forming a molten bath in a metallurgical vessel, supplying feed materials, injecting oxygen containing gas, generating upward movement of the molten material from ... | 11/19/2002 |
| 6478249 | Reel flange A reel flange is provided comprising wooden pieces (2A) disposed in a plane so as to constitute a disk and a connector (100) for maintaining said wooden pieces in the required position. The wooden pieces (2A) each have an overall sector shape which, when ... | 11/12/2002 |
| 6468364 | Anticorrosion treatment An anticorrosion treatment of an aluminium/zinc alloy surface is disclosed. The treatment includes the steps of forming on the alloy surface a coating of a solution which contain 5-40 grams of molybdenum per litre of the solution, 2-19% by volume of a pho... | 10/22/2002 |
| 6453986 | Metal delivery system for continuous caster A method and apparatus for continuously casting metal strip are provided, in which molten metal is introduced between a pair of parallel chilled casting rolls via an elongate metal delivery nozzle disposed above and extending along the nip between the cas... | 09/24/2002 |
| 6435379 | Bottled liquid dispensers Liquid is supplied from a bottle B to a discharge outlet 8 via a molded plastics reservoir 15 by pressurizing the bottle using an air pump 22. A pressure sensor responds to a rise in air pressure supplied to the bottle by shutting off the pump. Liquid is ... | 08/20/2002 |
| 6401315 | Apparent space-dyed yarns and method for producing same A process for combining single color feed yarns, either dyed or melt pigmented, without twisting or heat-setting, to form an apparent space-dyed yarn product. The process includes the sequential steps of individually and simultaneously drawing two or more... | 06/11/2002 |
| 6397924 | Strip casting apparatus Apparatus for continuously casting metal strip comprises a pair of parallel casting rolls (16). In use of the apparatus molten metal is delivered between the casting rolls which are rotated to deliver cast strip product downwardly from the rolls. Casting ... | 06/04/2002 |
| 6386806 | Machining tool with detachable head The invention relates to a machining tool with a detachable head comprising: a head (2) carrying at least one cutting blade (3), a slender body (4) and means (5) for detachably fastening the head to the slender body. It is characterized in that: the head (2) compri... | 05/14/2002 |
| 6385874 | Decorative card for use with product Spaced upper and lower sections are connected to medial sections by fold lines forming a pleat. The upper, lower and medial sections have decorative indicia forming an integrated decorative image. One or more of the indicia bearing sections have tongues t... | 05/14/2002 |
| 6378925 | Hand grip orthosis A container handle engaging device is provided which has a first and a second panel formed of a core layer of resilient material, the first and second panel being folded along abutting inner edges to an operating position where the panels are mutually par... | 04/30/2002 |
| 6376020 | Jet stripping apparatus A flow diversion device for a gas jet stripping apparatus is used to minimize edge build up when coating a moving strip. The device includes a baffle (17) having a first portion (18) extending longitudinally of the moving strip (4) and adjacent the strip,... | 04/23/2002 |
| 6368548 | Direct smelting process and apparatus A direct smelting process for producing metals from metalliferous feed material is disclosed. The process includes forming a molten bath having a metal layer and a slag layer on the metal layer and smelting injected metalliferous feed material in the meta... | 04/09/2002 |
| 6364969 | 6XXX series aluminium alloy A 6XXX series aluminium alloy containing Mg and Si is disclosed. The 6XXX series aluminium alloy is characterized in that the Mg and Si that is available to form MgSi precipitates is present in amounts such that the ratio of Mg:Si, on an atomic weight bas... | 04/02/2002 |
| 6336684 | Control system for overburden discharge An overburden removal system is provided which includes a bucketwheel (3) which cuts overburden from a wall (5) of the mine and discharges the overburden via a discharge boom (7) onto a hopper car (11) which travels on rails (9). The hopper car (11) deliv... | 01/08/2002 |
| 6332841 | Floating cushion sub A cushion sub for absorbing both axial and torsional vibration in a drill string and including an outer casing connectable at one end to a section of a drill string, and an inner piston reciprocally mounted in a cylinder within the casing, the piston havi... | 12/25/2001 |
| 6332253 | Textile effect yarn and method for producing same A process for combining dyed or melt pigmented textile denier accent yarns in small yarn sizes, into a small building block carpet denier bundle to achieve a face yarn bundle having a wide range of special color effects and appearance, not attainable by m... | 12/25/2001 |
| 6318746 | Connector system for coupling a trailer suspension frame A connector system for coupling a suspension frame device to the rear part of a transport trailer for use in distributing the weight of the load of the trailer to extra wheels and/or providing an effective attachment arrangement for connecting a second tr... | 11/20/2001 |
| 6301774 | Process for manufacturing a superconducting composite A superconducting composite comprising a compound oxide type superconductor and an outer metal pipe on which said superconductor is supported, characterized in that (i) said outer metal pipe is made of at least one of metals selected from a group comprisi... | 10/16/2001 |
| 6298714 | Device for performing tests on absorbent substrates The invention relates to a device (1) for performing tests on absorbent substrates (2), particularly by applying at least one of the opposite sides (2A, 2B) of said substrate (2) to a receiving surface (3A, 7). This device is characterized in that it comprises... | 10/09/2001 |
| 6293217 | Flexible vessels for transporting fluent cargoes An apparatus and a method for transporting fluent cargoes through liquid are provided, the apparatus including one or more units arranged in substantially linear alignment, in which at least one of the units includes two or more non-internally reinforced ... | 09/25/2001 |
| 6287394 | Anti corrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof The present invention relates to a method for treating a surface of zinc or of an alloy of zinc and aluminum, said method comprising the step of treating said surface with an aqueous solution having a pH of below 3 and comprising a complex formed from at ... | 09/11/2001 |
| 6273178 | Twin roll continuous casting installation The invention addresses the problem of edge bulging and breakout of as cast strip due to a decrease of perfect solid phase shell thickness of the strip caused by heat recuperation of the unsolidified portion of the strip, by providing a chamber 19 which e... | 08/14/2001 |
| 6257315 | Casting steel strip Continuous casting of steel strip in twin-roll caster comprising casting rolls (16). Molten steel is delivered by a delivery system comprising a distributor (18) and delivery nozzle (19) to casting pool (68) supported above the nip (69) between the castin... | 07/10/2001 |
| 6250041 | Hold down bracket The present invention relates generally to a bracket (1) which in a preferred embodiment is formed of a single strip of sheet metal comprising an affixture portion or a flat wall frame affixture portion (2) and an anchoring portion or a flat base affixtur... | 06/26/2001 |
| 6216819 | Kneeling board for roofers A kneeling board having a replaceable anti-slip pad for use on sloping surfaces is provided wherein the kneeling board is provided with a sheet or layer of hook fasteners of the hook-and-loop type fastener system disposed on underside thereof, and wherein... | 04/17/2001 |
| 6206041 | Fluid pressure amplifier A fluid pressure amplifier is provided, which includes a pipe for flowing fluid and having an array of holes formed therein through which fluid can flow from within the pipe in use, and resiliently-movable obturator means adjacent the pipe and operatively... | 03/27/2001 |
| 6202944 | Material spreading apparatus A versatile and easily serviceable material spreading apparatus of the type for movement over a ground surface while broadcasting a material along a path on the ground surface. The apparatus includes a belt cartridge which can be slid into or pulled out o... | 03/20/2001 |
| 6198207 | High-volume production, low cost piezoelectric transducer using low-shrink solder of bismuth or antimony alloy A method of manufacture and a piezoelectric transducer are provided having a housing whose interior contains a piezoelectric element having radially spaced surfaces which undergo relative shear and produce an electrical signal in response thereto, an oute... | 03/06/2001 |
