Entries |
Document | Title | Date |
20080253916 | Methods of Making Stents - Manufacturing methods are provided to build modulated medical devices and segments of the devices for applications in the field of intraluminal intervention, reconstruction, or therapy. The methods, comprise steps of metal injection molding and processes of modulation, improve the manufacturability of the devices and/or expand the design alternatives for the devices. The modulated medical devices and their segments, made from the present method inventions, enhance the versatility in intraluminal treatments. | 10-16-2008 |
20090016923 | Method for manufacturing at least one area of a filter structure, in particular for a particulate filter in the exhaust gas system of an internal combustion engine - A method for manufacturing at least one area of a filter structure, in particular for a particulate filter in the exhaust gas system of an internal combustion engine, includes the following steps: a. manufacturing a mixture from a sintering metal powder and an organic binder; b. manufacturing a sheet from the mixture; c. structuring the sheet; and d. sintering. | 01-15-2009 |
20090074603 | METHOD FOR MAKING MAGNESIUM-BASED COMPOSITE MATERIAL AND EQUIPMENT FOR MAKING THE SAME - A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a large amount of magnesium-based powder and a large amount of nanoscale reinforcements; (b) uniformly mixing the magnesium-based powder and the nanoscale reinforcements to form a mixture; and (c) compacting the mixture at a high velocity in a protective gas to achieve the magnesium-based composite material. High velocity compaction equipment for fabricating the magnesium-based composite material includes a sealing chamber, a gas pumping device, a mold, and a hammer. The gas pumping device is connected to the sealing chamber. The mold is disposed in the sealing chamber with an aperture formed on the top thereof. The hammer is disposed in the sealing chamber and above the mold, and moving along longitudinal thereof at a controllable ramming speed. | 03-19-2009 |
20090098005 | Method of manufacture Ni-doped TiO2 nanotube-shaped powder and sheet film comprising the same - The present invention provides a method of manufacturing Ni-doped TiO | 04-16-2009 |
20090180914 | Interconnect material and interconnect formation method - A metal particle having an organic substance coated thereon, dispersibility that is the same as that of a known metal particle having an organic substance coated thereon, and an improved low temperature connectability. A method for forming interconnect between materials by using the interconnect materials that include a metal particle on which an organic substance is coated, which includes the steps of coating the interconnect materials on subject interconnect materials, and heating the materials at a temperature in the range of 50 to 400° C. for 1 sec to 10 min to form a sintered body made of metal between the subject interconnect materials. The organic substance is a secondary amine having a molecular weight of 250 or less, and the metal particle is made of a unit of silver, copper, or gold, which has a mean diameter of 100 nm or less, or a mixture thereof. | 07-16-2009 |
20100086429 | THIN WALLED POWDER METAL COMPONENT MANUFACTURING - A powder metal component which has a powder metal composition formed into a cylinder, wherein the cylinder includes a wall thickness and a length, and a ratio of the length to the thickness is relatively high such that conventional compaction methods are difficult to use. The powder metal composition includes approximately between 85% and 99% sponge iron powder, approximately between 0.1% and 2.0% graphite, and approximately between 0.1% and 2.0% ethylene bis-stearamide wax. The powder metal component can be manufactured using an apparatus which includes a hard material core rod, and a shaped elastic die configured to circumscribe the core rod, or conversely, an apparatus with a shaped elastic core rod and a hard die. In the case of the former, the shaped elastic die can have an inner contour wherein a longitudinal load on the shaped elastic die radially compresses the powder metal to the desired shape and density distribution, hi the latter, longitudinally compressing the core rod radially compresses the powder metal to the desired shape and density distribution. An ejection punch can be made flush with the liner an pressure on the elastic die relieved prior to ejection to promote end integrity, the elastic die can be compressed alone or simultaneous with axial compression of the powder metal or a collet can be used to radially compress the elastic die using axial motion. | 04-08-2010 |
20100111744 | METHOD AND DEVICE FOR PRODUCING A 3D OBJECT BY MEANS OF A GENERATIVE 3D-METHOD - The invention relates to a method and to a device for producing a 3D object by means of a generative 3D-method, for example, selective laser sintering (SLS) and selective laser melting (SLM). An infrared sensor can be cross-flown by a tempered fluid in order to prevent said infrared sensor ( | 05-06-2010 |
20100202914 | Method for Producing Three-Dimensional Shaped Article - A method for producing a three-dimensional shaped article, including molding by irradiation of an optical beam to powder and by a rotating tool, providing a hollow part in a base pedestal supporting a shaped object, filling the hollow part filled with powder, forming a powder layer in the upper part of the hollow part and a surrounding region thereof, after a sintering region supporting the shaped object from the underside is formed in a region containing the powder layer, molding three or more supports of the base pedestal and two or more support frames connecting the shaped object, then the molded product and the base pedestal are then reversed in a vertical direction, thereby cutting and removing the sintering region, and molding the bottom part to achieve the object based on the fact that the supporting frames and the shaped object are cut and separated. | 08-12-2010 |
20100233010 | METHOD OF PRODUCING VARIOUS MASSIVE BLANKS OF ENCAPSULATED PIPE CONNECTIONS BY VIRTUE OF POWDER MOULDING - The invention concerns a method of producing various massive blanks of encapsulated pipe connections by pressure moulding metal powder material, such as an encapsulated manifold ( | 09-16-2010 |
20100290942 | SYSTEMS AND METHODS TO PRODUCE FORGED POWDER METAL PARTS WITH TRANSVERSE FEATURES - Systems and methods produce forged powder metal parts respectively comprising a transverse feature. A system may comprise a powder metal die, a sintering oven, a forging apparatus, a core material, and a powder metal. The powder metal die may receive and compact the core material and the powder metal to form a compacted powder metal part with at least a portion of the core material embedded therein to define a transverse feature in the compacted powder metal part. The sintering oven may receive and sinter the compacted powder metal part with the core material remaining embedded therein to maintain the definition of the transverse feature during sintering. The forging apparatus may receive and forge the sintered powder metal part with the core material remaining embedded therein to maintain the definition of the transverse feature during forging with the embedded core material being removable from the forged powder metal thereafter. | 11-18-2010 |
20110250087 | METHOD FOR PRODUCING SINTERED RARE-EARTH MAGNET AND POWDER-FILLING CONTAINER FOR PRODUCING SUCH MAGNET - Provided is an easy and inexpensive method for producing a sintered rare-earth magnet having cavities, such as slits, for making the magnet less likely to be influenced from eddy currents and/or performing a grain boundary diffusion process. The method for producing a sintered rare-earth magnet includes performing the following successive processes: a filling process ((a), (b)) for filling a powder of rare-earth magnet alloy into a powder-filling container together with a cavity-forming member; an aligning process (b) for aligning the rare-earth magnet alloy powder in a magnetic field; and a sintering process (e) for sintering the rare-earth magnet alloy powder by heating the rare-earth magnet alloy powder in a state of being held in the powder-filling container, wherein (d) the cavity-forming member is removed after the aligning process is completed and before the rare-earth magnet alloy powder begins to be sintered. | 10-13-2011 |
20110262293 | Method for Producing a Semifinished Product and Semifinished Product for Electrical Contacts and Contact Piece - The method relates to a method for producing a strand-like, particularly band-like semi-finished part for electrical contacts, wherein the semi-finished part has a top side intended for making the electrical contact, said top side made from a silver-based composite material in which one or multiple metal oxides or carbon are embedded, and has a carrier layer supporting the composite material made of easily solderable or weldable ignoble metal, and method having the following steps: Powder-metallurgic production of a block made from the silver-based composite material, encasing of the block made of the composite material with a powder made from the easily solderable or weldable ignoble metal, compressing the block, encased by the metal powder, to condense the metal powder, sintering the compressed block in a reducing atmosphere or in an inert atmosphere or in a vacuum, avoiding the formation of fluid eutectics from the silver of the composite material and from the non-precious metal with which the block made from the silver-based composite material is encased, reshaping of the sintered block by extrusion pressing, creating a partial strand with a top side made from composite material and a bottom side made from non-precious metal. | 10-27-2011 |
20110286873 | COMPOSITION OF PARTICULATE MATERIALS FOR FORMING SELF-LUBRICATING PRODUCTS IN SINTERED STEEL, PRODUCT IN SELF-LUBRICATING SINTERED STEEL AND PROCESS FOR OBTAINING SELF-LUBRICATING PRODUCTS IN SINTERED STEEL - The composition includes the iron as the main particulate metallic material; at least one particulate alloy element, with the function of hardening the ferrous structural matrix; and a precursor non-metallic particulate compound, generally a carbide or a carbonate, which is capable of generating, upon its dissociation during the sintering, graphite nodules, whose formation is facilitated: by the precursor compound itself when it includes a chemical element which stabilizes the iron alpha phase of the ferrous structural matrix; or by an additional alloy element included in the composition and which is defined by a chemical element that stabilizes the iron alpha phase during the sintering. The composition can be conformed by compaction or by powder injection molding. The process of the invention leads to obtaining products in self-lubricating sintered steel from said composition. | 11-24-2011 |
20120189483 | Methods of forming molybdenum sputtering targets - In various embodiments, tubular sputtering targets are produced by forming a tubular billet at least by pressing molybdenum powder in a mold and sintering the pressed molybdenum powder, working the tubular billet to form a worked billet, and heat treating the worked billet. | 07-26-2012 |
20130052074 | MANUFACTURING OF TURBINE SHROUD SEGMENT WITH INTERNAL COOLING PASSAGES - A turbine shroud segment is metal injection molded (MIM) about a low melting point material insert. The low melting point material is dissolved using heat during the heat treatment cycle required for the MIM material, thereby leaving internal cooling passages in the MIM shroud segment without extra manufacturing operation. | 02-28-2013 |
20130224057 | MANUFACTURING METHOD OF BEARING DEVICE - A method for manufacturing a bearing device includes steps: providing a hollow mold, then injecting a feedstock of powder and molten binder into the mold under pressure, thus forming a desired perform of a cylindrical body and a desired perform of a cover; separating the binder from the desired perform of the body and the desired perform of the cover; sintering the desired perform of the body and the desired perform of the cover, thereby forming the body and the cover; and mounting the cover on the body, thereby forming the bearing device. | 08-29-2013 |
20140212317 | METHOD OF MANUFACTURING A WALL - A method of manufacturing an annular wall ( | 07-31-2014 |
20140294651 | THERMO-MECHANICAL TREATMENT OF MATERIALS - A thermal mechanical treatment method includes consolidating a powder by a severe plastic deformation process and ageing the consolidated powder at low temperature. The method may include cryomilling the powder before consolidating the powder by a severe plastic deformation process; hot isostatic pressing the consolidated powder into a dense powder before aging the consolidated powder; hot extruding the dense powder into a stock shape before aging the consolidated powder; hot-working the stock shape on a gyrating forge at a predetermined temperature before aging the consolidated powder; or heating the consolidated powder to a predetermined temperature, and maintaining the consolidated powder at the predetermined temperature for a predetermined time. | 10-02-2014 |
20140356214 | Method and arrangement for manufacturing a cutting insert - A method for manufacturing a cutting insert having a through-hole that extends in a direction that is non-parallel to the main pressing direction. The method includes the steps of moving first and second punches within a die cavity toward each other along a first pressing axis and compacting a powder around a core rod into a cutting insert green body, wherein, during at least a portion of the compaction step, the core rod is turned a predetermined angle in alternating direction around its longitudinal axis. | 12-04-2014 |
20150086408 | METHOD OF MANUFACTURING A COMPONENT AND THERMAL MANAGEMENT PROCESS - A method of manufacturing a component and a method of thermal management are provided. The methods include forming at least one portion of the component, printing a cooling member of the component and attaching the at least one portion to the cooling member of the component. The cooling member includes at least one cooling feature. The at least one cooling feature includes at least one cooling channel adjacent to a surface of the component, wherein printing allows for near-net shape geometry of the cooling member with the at least one cooling channel being located within a range of about 127 (0.005 inches) to about 762 micrometers (0.030 inches) from the surface of the component. The method of thermal management also includes transporting a fluid through at least one fluid pathway defined by the at least one cooling channel within the component to cool the component. | 03-26-2015 |
20150310997 | PRODUCTION METHOD FOR TUNGSTEN ANODE BODY - A method for producing an anode body in a capacitor, which includes making a molded body by molding a tungsten powder and making an anode body by sintering the molded body, which includes a step of bringing the tungsten powder or the molded body thereof into contact with a solution of a silicon compound before sintering the molded body so as to adjust the silicon content in the anode body to 0.05 to 7 mass %. | 10-29-2015 |
20160024966 | METHOD OF MANUFACTURING GAS TURBINE ENGINE ELEMENT HAVING AT LEAST ONE ELONGATED OPENING - A method of manufacturing a gas turbine engine element, for example a shroud segment. An insert has at least one elongated feature received in a mold cavity. A powder injection molding feedstock is injected. When the green part is disengaged from the mold, each elongated feature is slid out of the green part to define a respective elongated passage. The cross-sectional dimension of the elongated feature may be 0.020 inches or less, and/or a ratio between the length and cross-sectional dimension of the elongated feature may be at least 25. The method may include, after debinding and sintering, projecting a coating material while defining an obstruction between source of coating material and the open end of each elongated feature with a shoulder of the element to prevent the coating material from reaching the open end, followed by machining to remove at least a part of the shoulder. | 01-28-2016 |
20160052057 | GAS TURBINE COMPONENT MANUFACTURING - A method of fabricating a gas turbine engine component comprises building and machining a hollow workpiece. The workpiece is built via additive manufacturing to create a coarse structure that turbulates cooling flow. At least a portion of the workpiece is machined via subtractive manufacturing to create a smooth surface that promotes laminar flow. | 02-25-2016 |
20160099104 | METHOD FOR MANUFACTURING RARE-EARTH MAGNETS - Provided is a method for manufacturing a rare-earth magnet having good workability and capable of manufacturing a rare-earth magnet having low oxygen density. A method for manufacturing a rare-earth magnet includes: a first step of applying or spraying graphite-based lubricant GF on an inner face of a forming die M, and charging magnetic powder MF as a rare-earth magnet material in the forming die M, followed by cold forming, to form a cold-forming compact | 04-07-2016 |
20160101470 | THREE-DIMENSIONAL FORMING APPARATUS AND THREE-DIMENSIONAL FORMING METHOD - A three-dimensional forming apparatus includes: a material supply unit that arranges a green sheet obtained by forming a sintering material in which metal powder and a binder are kneaded into a sheet shape on a stage; a first heating unit that supplies first energy transpiring a part of the green sheet; a second heating unit that supplies second energy capable of sintering a part of the green sheet; and a driving unit that is able to move the first heating unit and the second heating unit three-dimensionally relative to the stage, wherein the first energy is supplied from the first heating unit to the green sheet so that a sintering region to be sintered with the second energy supplied from the second heating unit in the green sheet supplied to the stage by the material supply unit is surrounded. | 04-14-2016 |