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| Number | Title | Issue Date |
| 8118904 | Metal powder manufacturing device, metal powder, and molded body A metal powder manufacturing device for manufacturing a metal powder includes a feed for supplying a molten metal, a fluid spout unit, and a course modification unit. The fluid spout unit further includes a channel and an orifice. The channel is provided below the f... | 02/21/2012 |
| 7341689 | Pre-alloyed iron based powder The invention concerns a new pre alloyed steel powder comprising in addition to iron and inevitable impurities, by wt %, 1.3-1.7% by weight of Cr, 0.15-0.3% by weight of Mo, 0.09-0.3% by weight of Mn, not larger than 0.01 by weight of C, not larger than 0.25% of O. | 03/11/2008 |
| 7309375 | Method for producing metallic powders consisting of irregular particles The invention relates to the production of a metallic powder consisting of surface-fissured, so-called irregular particles, namely a water-atomised metallic powder. The aim of the invention is to obtain an irregular surface form of powder grains (23) in a nar... | 12/18/2007 |
| 7246758 | Metal atomizing device A metal atomizing device includes a casing with an inlet tube for providing liquid metal into the casing and an outlet is defined through the casing. The inlet tube and the outlet share a common axis. A polygonal impact member is located at an outlet of the inlet tu... | 07/24/2007 |
| 7214255 | Aerosol method and apparatus for making particulate products Provided is an aerosol manufacture facility including an aerosol generator (600), an aerosol heater (604), an aerosol cooler (604), a particle collector (606), a precursor liquid supply system (608), a carrier gas supply system ( | 05/08/2007 |
| 7205504 | Interlayer composite for a laminated transparency An interlayer composite includes a plastic sheet having a predetermined outer shape and a major surface; a pair of bus bars, and an adhesive layer securing the bus bars directly on the major surface of the plastic sheet in a fixed relationship to one another. ... | 04/17/2007 |
| 7198657 | Process and device for producing metal powder A metal powder produced by a process which comprises directing at least three successive gas beams at a molten metal stream inside an atomization chamber, the at least three gas beams being oriented in different directions. This abstract is neither intended to defin... | 04/03/2007 |
| 7192466 | Method for preparing nuclear metal or metal alloy particles Nuclear metal or alloy particle preparation method and device; said device comprising: means to prepare a fluid mass of the metal or alloy by melting; means to put the fluid mass of the metal or metal alloy in the ... | 03/20/2007 |
| 7182279 | Atomizer for atomizing molten metal An atomizer includes a T-shaped chamber with tapered insides and an outlet which is in communication with the chamber. A first path is located in a center area in the chamber so as to introduce molten metal therein and two second paths are introduced into the chambe... | 02/27/2007 |
| 7172663 | Palladium-containing particles, method and apparatus of manufacture, palladium-containing devices made therefrom Provided are palladium-containing powders and a method and apparatus for manufacturing the palladium-containing particles of high quality, of a small size and narrow size distribution. An aerosol is generated from liquid feed and sent to a furnace, where liquid in d... | 02/06/2007 |
| 7097686 | Nickel powders, methods for producing powders and devices fabricated from same Nickel powder batches and methods for producing nickel powder batches. The powder batches include particles having a small particle size, narrow size distribution and a spherical morphology. The present invention is also directed to devices incorporating the nickel ... | 08/29/2006 |
| 7097806 | Rapid surface cooling of solder droplets by flash evaporation A mist of liquid coolant is introduced into the path of atomized, molten, solder droplets. The mist and other conditions within the chamber are engineered to enable the liquid coolant droplets in the mist to contract the surfaces of molten solder droplets and be fla... | 08/29/2006 |
| 7097688 | Method for producing silicon based alloys in atomized form A method for producing an alloy in atomized form, wherein the alloy includes between about 10% to about 100% of a silicon based alloy, including obtaining a base silicon-iron alloy mixture and an atomization unit having an atomization chamber and a plurality of nozz... | 08/29/2006 |
| 7004994 | Method for making a film from silver-containing particles Provided are silver-containing powders and a method and apparatus for manufacturing the silver-containing particles of high quality, of a small size and narrow size distribution. An aerosol is generated from liquid feed and sent to a furnace, where liquid in droplet... | 02/28/2006 |
| 6838021 | Irregular shaped copper particles and methods of use The present invention provides water atomized copper powder comprising substantially irregular shaped copper particles having at least a median D50 particle size of from about 10 μm to about 50 μm. The powders of the present invention are suitable for u... | 01/04/2005 |
| 6746509 | Process for producing zinc or zinc alloy powder for battery A process of producing a zinc or zinc alloy powder (4) for batteries which comprises dropping molten zinc or a molten zinc alloy to form a molten metal droplets stream (1) and striking an atomizing medium jet (3) emitted from a nozzle (2)... | 06/08/2004 |
| 6334884 | Process and device for producing metal powder Process and a device for producing metal powders from molten metal. The process includes the provision of molten metal in a metallurgical vessel having a nozzle element, the nozzle element being directed into an atomization chamber associated with the met... | 01/01/2002 |
| 6293987 | Polymer quenched prealloyed metal powder A powder metallurgical process of preparing a sheet from a powder having an intermetallic alloy composition such as an iron, nickel or titanium aluminide. The sheet can be manufactured into electrical resistance heating elements having improved room tempe... | 09/25/2001 |
| 6254661 | Method and apparatus for production of metal powder by atomizing An atomizing method for producing metal powder, including splitting molten metal in the vicinity of an exit of a nozzle by introducing the molten metal into a center of the nozzle, wherein gas is flowing through the nozzle. The split molten metal is then ... | 07/03/2001 |
| 6146439 | Process and plant for producing atomized metal powder, metal powder and the use of the metal powder The present invention relates to a process for manufacturing atomized metal powder in an atomization plant comprising a casting box, a reactor vessel, a powder container and sedimentation equipment. The production process takes place with controlled therm... | 11/14/2000 |
| 6059853 | Production of powder A method of producing coated powder material is provided. In the method, molten metal or metal alloy is caused to fall in a stream (3) and is then atomized into a spray. A liquid or solid material of different composition is introduced and caused to conta... | 05/09/2000 |
| 5993509 | Atomizing apparatus and process This invention relates to a method and apparatus for atomizing a liquid stream of metal or metal alloy. This invention relates to producing powders as well as to spray deposition process. During atomizing, a backpressure is created below the exit of the l... | 11/30/1999 |
| 5928405 | Method of making metallic powders by aerosol thermolysis An economical process and associated hardware for commercial manufacture of controllable submicrometer size metallic powders for electronic and other applications. The method is based on the preparation of a stable high concentration precursor solution, p... | 07/27/1999 |
| 5756162 | Method for manufacturing sendust core powder A method for manufacturing a powder for sendust core is disclosed which is used in power supplies, converters and invertors, and in which the sendust powder is manufactured by applying the atomizing process, and the powder is coated with a special ceramic... | 05/26/1998 |
| 5749938 | Production of powder A method of producing coated powder material is provided. In the method, molten metal or metal alloy is caused to fall in a stream (3) and is then atomized into a spray. A liquid or solid material of different composition is introduced and caused to conta... | 05/12/1998 |
| 5656061 | Methods of close-coupled atomization of metals utilizing non-axisymmetric fluid flow Close-coupled atomization methods employing non-axisymmetric fluid flow geometries have demonstrated superior efficiency in the production of fine superalloy powder, such as, for example, nickel base superalloys compared to conventional close-coupled atom... | 08/12/1997 |
| 5482532 | Method of and apparatus for producing metal powder The invention provides a method of producing metal powders which is less likely permit variations in cooling rate, ensures rapid solidification at a great cooling rate and readily gives fine particles, and a production apparatus for the method. The method... | 01/09/1996 |
| 5352267 | Method of producing metal powder A cooling liquid is injected into and supplied to a cooling tubular body along its inner periphery to form a cooling liquid layer flowing down the inner peripheral surface of the body while revolving. A molten metal is then injected into the cooling liqui... | 10/04/1994 |
| 5320509 | Molten metal-atomizing apparatus There is disclosed a molten metal-atomizing apparatus which prevents the formation of a blocking in an ultra-high pressure atomizing of molten metal, and can produce finer metal powder. A vertical distance from the position of occurrence of a primary atom... | 06/14/1994 |
| 5266099 | Method for producing closed cell spherical porosity in spray formed metals Metal and metal alloy preforms having closed cell, spherical porosity are spray formed at high deposition rates by introducing blowing agents into the thixotropic semisolid deposition layer, within which gas formed in thermal decomposition reactions are t... | 11/30/1993 |
| 5190701 | Method and equipment for microatomizing liquids, preferably melts Method and apparatus for atomizing a liquid to form a fine powder. The method includes the steps of mixing the liquid with a first fluid medium jet and projecting this first fluid medium jet into a barrier means which comprises a solid body or a second fl... | 03/02/1993 |
| 4897111 | Method for the manufacture of powders from molten materials For a process for the manufacture of powders from molten materials by atomizing the melt to particles by means of fluid media and cooling the particles as they fall, a melting chamber (3) is provided which has a melting system (4) disposed in the melting ... | 01/30/1990 |
| 4722826 | Production of water atomized powder metallurgy products A method for utilizing a powder metallurgy ("P/M") slurry by employing water atomized metallic powders and subsequently reducing the oxide levels therein to acceptable levels. The slurry comprises a carbon containing binder. The slurry is consolidated and... | 02/02/1988 |
| 4664855 | Method for producing amalgamable alloy A process for manufacturing an atomized amalgamable alloy having mold adaptation characteristics superior to other atomized alloys and comparable or better than those for ad-mixed type alloys (alloys which are mixtures of spherical and irregularly shaped ... | 05/12/1987 |
| 4647305 | Process for manufacturing amorphous alloy powders A process for manufacturing amorphous alloy powders is provided, wherein, a high-speed fluid jet is blown against a flowing melt of an alloy which can be formed into amorphous powders, thereby powerizing the melt and rapidly cooling and solidifying the me... | 03/03/1987 |
| 4624409 | Apparatus for finely dividing molten metal A method and an apparatus for finely dividing a molten metal by atomization is provided herein. This apparatus includes a nozzle for feeding a molten metal and an annular atomizing nozzle to force a high-pressure liquid jet against a stream of the molten ... | 11/25/1986 |
| 4564387 | Wet zinc dust atomization and distribution A method for producing and distributing wet zinc dust to a zinc sulfate purification system or other zinc plant operation is disclosed. The method comprises atomizing molten zinc with high pressure water or other suitable medium, and feeding a predetermin... | 01/14/1986 |
| 4559187 | Production of particulate or powdered metals and alloys A free flowing stream of molten metal is motioned to encounter a higher diameter and faster moving free flowing stream of a cooling liquid, such encounter resulting in the splitting of the molten metal into droplets. The droplets in contact with the cooli... | 12/17/1985 |
| 4548642 | Process for preparing zinc powder for alkaline batteries (V) A zinc powder having a low gas evolution in an alkaline electrolyte for use in an alkaline battery are obtained by alloying the zinc with at least one metal selected from the group consisting of lead, cadmium, thallium and indium and at least one further ... | 10/22/1985 |
| 4479823 | Process for the production of silver-tin master alloys for dental amalgams A silver-tin-copper master alloy powder useful as a dental filling when amalgamated with mercury and having improved properties for that utility can be obtained by the steps of: (a) pulverizing an alloy containing silver, tin and copper into a first spher... | 10/30/1984 |
