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| Number | Title | Issue Date |
| 8029724 | Method of making a cutting insert with a hole for clamping A method of making a cutting insert using powder metallurgical methods including using a press with a main pressing direction and a press tool setup with a die, a male core rod, a female core rod, a bottom punch, a top punch and a feed shoe. The insert has a noncyli... | 10/04/2011 |
| 7364628 | Solid material for magnet A solid material for a magnet, comprising a rare-earth/iron/nitrogen/hydrogen system magnetic material. ... | 04/29/2008 |
| 7188498 | Reconfigurable tools and/or dies, reconfigurable inserts for tools and/or dies, and methods of use A reconfigurable tool and/or die geometry and methods of use generally comprise forming at least a portion of a shape defining surface with a shape memory material. In response to an activation signal, the shape memory material changes geometry of the shape defining... | 03/13/2007 |
| 7029623 | Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic ball A method for manufacturing ceramic balls useful as ball bearings is described, wherein spherical green bodies are formed into ceramic balls having few pores and substantially uniform strength distribution, using a rubber die having a hardness not higher than 65.... | 04/18/2006 |
| 6926777 | Method for producing rod-shaped permanent magnets The invention relates to a method for producing rod-shaped permanent magnets according to which pressed parts (2) are produced that are then assembled to a rod-shaped green product. Said green product is subsequently sintered, whereby a rod-shaped single-piec... | 08/09/2005 |
| 6843821 | Filtering candles comprising a sintered filtering tube The aim of the invention is to provide filtering candles (1) comprising a sintered filtering tube (2) and a collar (3) which is connected thereto, and having an increased shelf life and improved resistance values. To this end, the collar (3 | 01/18/2005 |
| 6383281 | Molding composition for producing powder metallurgical or ceramic products The present invention relates to a molding composition based on sinterable materials, comprising a) from 80 to 99.5% by weight of sinterable powder having a maximum particle size of 2000 μm, b) from 0.5 to 20% by weight of metallocene polyolefin wax, c) if de... | 05/07/2002 |
| 6361739 | Fabrication process for high density powder composite hardfacing rod The present invention is a new method for forming a high density hard facing rod. The rod is particularly suitable for hardfacing downhole tools including both fixed cutter and rolling cutter drill bits, bias pads for downhole rotary steerable systems, an... | 03/26/2002 |
| 6123787 | Process for manufacturing ITO alloy articles The invention relates to a process for manufacturing a pore free powder metallurgical alloy article starting with a minor portion of Sn powder and a major portion of In2 O3 powder and comprising the steps of: substantially uniformly ... | 09/26/2000 |
| 6122565 | Press production monitoring system and method A press monitoring system includes an electronic processor for accessing a communication network connected to the processor. A sensor is used for measuring a desired quality of the press connected to the electronic processor. The processor sends the commu... | 09/19/2000 |
| 6113848 | Method for forming spiral bevel gear A spiral helical gear having right and left tooth flanks having such a small pitch angle that either right or left ones are not seen in plan from the apex side of cone is molded by a powder molding device so as not to interfere with a die of the device wh... | 09/05/2000 |
| 6010583 | Method of making unreacted metal/aluminum sputter target A high performance, high density sputtering target and a method of making. An aluminum and non-aluminum reactive metal powder blend is subjected to cold pressing under pressure, machining, evacuating, and hot pressing under pressure. The aluminum and non-... | 01/04/2000 |
| 5963776 | Non-lead environmentally safe projectiles and method of making same A projectile, such as a bullet, is made by combining two different metals in proportions calculated to achieve a desired density, without using lead. A base constituent, made of a material having density greater than lead, is combined with a binder consti... | 10/05/1999 |
| 5954895 | Method of making a deposit on a component made of a nickel or cobalt based superalloy A method of making a deposit on a component made of a nickel or cobalt based superalloy is described wherein a deposit material consisting of reactive powders corresponding to an intermetallic material or of a superalloy powder is deposited on the compone... | 09/21/1999 |
| 5904966 | Laminated metal structure A laminated structure is obtained by hot isostatic pressing. The structure comprises a first metallic outer layer (produced by powder metallurgy) on one side, a second metallic outer layer on the other side which can form a brittle intermetallic phase and... | 05/18/1999 |
| 5792403 | Method of molding green bodies Methods for making, methods for using and articles including cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two regions exhibiting at least one property that differs are discussed. Preferably, the cermets furth... | 08/11/1998 |
| 5788142 | Process for joining, coating or repairing parts made of intermetallic material A process for joining two parts of which at least one is made of an intermetallic material comprises: mixing elemental powders to form an intermetallic compound of the same type as that of the intermetallic part or parts; compacting and forming an intermediate... | 08/04/1998 |
| 5765095 | Polycrystalline diamond bit manufacturing A method for manufacturing a PCD bit by isostatically or mechanically press forming a green on a metallic blank. A metallic blank is vertically suspended into a flexible vessel. Powder metal is mixed with a binder and introduced into the flexible vessel s... | 06/09/1998 |
| 5709758 | Process for producing structural member of aluminum alloy An aluminum alloy structural member is crystalline. In producing this aluminum alloy structural member, a procedure is employed which includes forming a green compact by use of aluminum alloy having an amorphous phase, and subjecting the green compact to ... | 01/20/1998 |
| 5593792 | Electrochemical heat source Electrochemical heat sources, materials used to make electrochemical heat sources and methods of forming electrochemical heat sources are disclosed. The electrochemical heat sources includes at least two metallic agents capable of interacting electrochemi... | 01/14/1997 |
| 5578146 | Aluminum-beryllium alloys having high stiffness and low thermal expansion for memory devices Articles of manufacture are made of aluminum-beryllium alloys having substantially randomly distributed aluminum-rich and beryllium rich phases to provide substantially isotropic mechanical properties, such as high stiffness and low coefficients of therma... | 11/26/1996 |
| 5551997 | Beryllium-containing alloys of aluminum and semi-solid processing of such alloys Disclosed is a practical aluminum based alloy containing 1 to 99 weight percent beryllium, and improved methods of semi-solid processing of aluminum alloys containing beryllium. The present methods avoid molten beryllium, agitation of molten aluminum-bery... | 09/03/1996 |
| 5534086 | Method for making a cobalt-boride dispersion-strengthened copper A dispersion-strengthened copper alloy is disclosed having an exceptional combination of strength, ductility, and thermal conductivity. The copper alloy comprises: copper, 0.01 to 2.0 weight % boron and 0.1 to 6.0 weight % cobalt, and cobalt-boride disper... | 07/09/1996 |
| 5529747 | Formable composite magnetic flux concentrator and method of making the concentrator A formable composite magnetic flux concentrator material is composed of about 65% to 90% ferromagnetic material, such as iron powder, and about 35% to 10% binder, the binder being a mixture of an epoxy and one or more catalysts. The concentrator material ... | 06/25/1996 |
| 5498147 | Powder molding press A powder molding press a die plate provided with a die having a die hole, a punch device to be inserted into the die hole and a hydraulic cylinder device attached to the punch device for driving the same, the hydraulic cylinder device being arranged coaxi... | 03/12/1996 |
| 5490969 | Mould for isostatic pressing Methods for forming compacts having reduced elephant's feet effect are disclosed. The apparatus utilized includes a press for dry bag isostatic pressing, the press body having a cavity with at least one open end formed therein, an elastic mould, operative... | 02/13/1996 |
| 5466310 | Production of metal and metalloid nitrides A nitride of a metal or solid metalloid is produced by ball milling a powder of a metal or metalloid in a nitrogen, or nitrogen-containing atmosphere (such as ammonia). The pressure in the ball mill is normally from 100 to 5,000 kPa, typically about 300 k... | 11/14/1995 |
| 5428882 | Process for the fabrication of aluminum metallized pyrolytic graphite sputtering targets An improved method for fabricating pyrolytic graphite sputtering targets with superior heat transfer ability, longer life, and maximum energy transmission. Anisotropic pyrolytic graphite is contoured and/or segmented to match the erosion profile of the sp... | 07/04/1995 |
| 5395464 | Process of grain enlargement in consolidated alloy powders A method for obtaining a product from pre-alloyed powders in which the powders are subjected to compaction treatment. The powders are first subjected to pre-treatment under low pressure (or without pressure) at a temperature such that segregating material... | 03/07/1995 |
| 5390414 | Gear making process Method of manufacturing a helical gear allowing strategic placement of a hardenable wear-resistant and high strength layer at predetermined locations on the gear. The method includes the steps of forming a gear core preform having the general shape of the... | 02/21/1995 |
| 5366689 | Hot-isostatic press with hinge-like movement to accomodate expansion A hot-isostatic press comprising a load-carrying member (1) adapted to be supported by a substantially annular support member. The annular support member is arranged on an underlying support (4) and encloses a heat insulation (10). Further, at least part ... | 11/22/1994 |
| 5338372 | Anisotropic rare-earth permanent magnets and method for making same, and metal mold for molding anisotropic permanent magnets Anisotropic rare-earth permanent magnets characterized in that an aggregate of a plurality of blocks, to each of which anisotropy is imparted, is formed using powders of magnetic material containing rare-earth elements, and the adjoining blocks are powder... | 08/16/1994 |
| 5277717 | Rapidly solidified aluminum lithium alloys having zirconium for aircraft landing wheel applications A rapidly solidified, low density aluminum base alloy consists essentially of the formula Albal Lia Cub Mgc Zrd wherein "a" ranges from about 2.2 to 2.5 wt %, "b" ranges from about 0.8 to 1.2 wt %, "c... | 01/11/1994 |
| 5227576 | Method for forming complex patterns in the interior of a pressed part formed of compacted particulate material, and apparatus Method and apparatus whereby complex patterns are pressed into the interior of a part formed of compactible material. A flexible, pre-fabricated pattern form bearing the inverse of a desired pattern is wrapped around a conventional mandrel and this assemb... | 07/13/1993 |
| 5202307 | Method of manufacturing superconducting wire A method of manufacturing a superconducting wire consisting essentially of mixing superconducting ceramic powders selected from a group selected from a group consisting of Y-Sr-Cu-O, Y-Ba-Cu-O, La-Sr-Cu-O, La-Ba-Cu-O and Bi-Sr-Ca-Cu-O with metal powder, f... | 04/13/1993 |
| 5180446 | Oxide-dispersion-strengthened niobum-based alloys and process for preparing Improvement of Nb-alloys, which are known as heat-resistant alloys, by giving anti-oxidation property thereto and increasing the high temperature strength thereof. In addition to a determined amount of Al, one of (1) suitable amounts of Ti, Cr and V, and ... | 01/19/1993 |
| 5173107 | Composite hard metal body and process for its production The invention relates to a composite hard metal body of hard material, a binder and embedded reinforcing material, as well as to a process for the production of the composite hard metal body by methods of powder metallurgy. In order to create a composite ... | 12/22/1992 |
| 5152828 | Method of producing mold material and the mold material The present invention relates to a method of producing a mold material used for obtaining a mold for casting metals such as Zn, Al and the like or molding resins. In the method, the short fibers having an aspect ratio of 30 to 300 and obtained by cutting ... | 10/06/1992 |
| 5145503 | Process product, and powder for producing high strength structural member In a process for producing a high strength structural member by sintering a starting powder material, a powder mixture of a basic powder and an additional powder is used as the starting powder material. The basic powder is comprised of at least one of an ... | 09/08/1992 |
| 5116568 | Method for low pressure bonding of PCD bodies An improved temperature stable synthetic polycrystalline diamond (PCD) product includes at least one temperature stable PCD integrally and chemically bonded to a matrix carrier support through a carbide forming layer which is of a thickness of at least ab... | 05/26/1992 |
