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| Number | Title | Issue Date |
| 8105449 | High-strength aluminum alloy extruded product with excellent impact absorption and stress corrosion cracking resistance and method of manufacturing the same An aluminum alloy extruded product includes an aluminum alloy including 6.0 to 7.2 mass % of Zn, 1.0 to 1.6 mass % of Mg, 0.1 to 0.4 mass % of Cu, at least one component selected from the group consisting of Mn, Cr, and Zr in a respective amount of 0.25 mass % or le... | 01/31/2012 |
| 7833364 | Method of producing bicycle ratchet bushing A method of producing bicycle ratchet bushing is provided, wherein an alloyed fundamental material is applied to the processes of a modeling process and a detailing treatment to form a product of bicycle ratchet bushing. Wherein, when the processes of drilling and t... | 11/16/2010 |
| 7736451 | Aluminum alloy pipe and method of manufacturing same A first step of performing solution treatment to a pipe material of a precipitation-hardening type aluminum alloy of high hardness extruded, a second step of performing spinning work to the solution-treated pipe material, and a third step of performing artificial ag... | 06/15/2010 |
| 7503986 | Method for shortening production time of heat treated aluminum alloys A method for producing a heat treated aluminum alloy product in a shortened period of time, the method comprising: (a) providing a heat treatable aluminum alloy; (b) working the heat treatable aluminum alloy at a solutionizing temperature to form a product; (c) firs... | 03/17/2009 |
| 7422645 | Method of press quenching aluminum alloy 6020 A method of press quenching a 6020 aluminum alloy comprising the steps of providing an ingot or billet of 6020 aluminum alloy consisting essentially of about 0.5 to about 0.6% silicon, about 0.7 to about 0.8% magnesium, about 0.55 to about 0.65% copper, about 0.35 t... | 09/09/2008 |
| 7363945 | Low chamfer angled torque tube end fitting with elongated overflow groove A method of forming a torque-transmitting coupling (193) includes forming at least one fitting (192) having a tube conforming area (200). The forming area (200) includes a material overflow groove (194) and multiple flat surfaces (... | 04/29/2008 |
| 7360676 | Welded aluminum alloy structure A method of welding age-hardenable aluminum alloys to improve strength properties in the heat affected zone and the weld zone, the method comprising the steps of providing precipitation hardenable aluminum alloy members to be welded and subjecting said members to a ... | 04/22/2008 |
| 7320736 | High-purity aluminum sputter targets and method of manufacture The high-purity aluminum sputter target is at least 99.999 weight percent aluminum and has a grain structure. The grain structure is at least 99 percent recrystallized and has a grain size of less than 200 μm. The method forms high-purity aluminum sputter targets b... | 01/22/2008 |
| 7299733 | Bullet with spherical nose portion A bullet includes a frontward facing aperture. Contained within the aperture is a relatively hard bullet frontal element that provides advantageous bullet impact performance. In one embodiment, the frontal element is a steel sphere that provides advantageous penetra... | 11/27/2007 |
| 7294213 | Aircraft structural member made of an Al-Cu-Mg alloy The invention relates to a work-hardened product, particularly a rolled, extruded or forged product, made of an alloy with the following composition (% by weight): Cu 3.8-4.3; Mg 1.25-1.45; Mn 0.2-0.5; Zn 0.4-1.3; Fe | 11/13/2007 |
| 7285174 | Method for producing metallic strips A method for producing metallic strips having a high-grade cube texture based on nickel, copper, aluminum, silver or alloys of these metals including austenitic iron-nickel alloys makes it possible to obtain, during a subsequent annealing process and with lower tota... | 10/23/2007 |
| 7214281 | Aluminum-zinc-magnesium-copper alloy extrusion An aluminum alloy extrusion product having improved strength and fracture toughness, the aluminum base alloy comprised of 1.95 to 2.5 wt. % Cu, 1.9 to 2.5 wt. % Mg, 8.2 to 10 wt. % Zn, 0.05 to 0.25 wt. % Zr, max. 0.15 wt. % Si, max. 0.15 wt. % Fe, max. 0.1 wt. % Mn,... | 05/08/2007 |
| 7083689 | Method for fabricating magnesium alloy billets for a thixoforming process A method for fabricating a magnesium alloy billet for a thixoforming process capable of enhancing the mechanical properties of a forming product by inducing plastic deformation of an AZ91D magnesium alloy included extrusion and compression and forming a fine recryst... | 08/01/2006 |
| 7048815 | Method of making a high strength aluminum alloy composition The present invention provides a method of making a high strength aluminum alloy composition. The alloy composition exhibits high tensile strength at ambient temperatures and cryogenic temperatures. The alloy composition can exhibit high tensile strength while maint... | 05/23/2006 |
| 7025839 | Heat treatment of age-hardenable aluminum alloys The heat treatment of an age-hardenable aluminium alloy, having alloying elements in solid solution includes the stages of holding the alloy for a relatively short time at an elevated temperature TA appropriate for ageing the alloy; cooling the alloy from... | 04/11/2006 |
| 7018489 | Artificial aging control of aluminum alloys A method of artificially aging an aluminum alloy product to achieve a property in the product having the steps of aging the product to achieve the property by heating the product over an aging period, the aging period including a time period where the product is in ... | 03/28/2006 |
| 6994760 | Method of producing a high strength balanced Al-Mg-Si alloy and a weldable product of that alloy The present invention relates to a method for producing high strength balanced Al—Mg—Si alloy with an improved fatigue crack growth resistance and a low amount of intermetallics, comprising the steps of a) casting an ingot with the following composi... | 02/07/2006 |
| 6974633 | Structural members having improved resistance to fatigue crack growth An extruded structural member having improved damage tolerance containing a base section (6); a stiffening section having at least one pair of structural stiffeners (10), the structural stiffeners integral with the base section (6) and projectin... | 12/13/2005 |
| 6972110 | Aluminum alloy products having improved property combinations and method for artificially aging same Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and ... | 12/06/2005 |
| 6962632 | Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioner piping and process for producing the same Disclosed are aluminum alloy hollow materials and processes for producing the same wherein an aluminum alloy hollow material is produced by subjecting an ingot of an aluminum alloy containing 0.3˜1.5 wt % Mn to port hole extrusion or port hole extrusion and drawing... | 11/08/2005 |
| 6959476 | Aluminum automotive drive shaft A method for producing aluminum drive shafts from molten aluminum alloy using a continuous caster to cast the alloy into a slab. The method comprises providing a molten aluminum alloy consisting essentially of 0.2 to 0.8 wt. % Si, 0.05 to 0.4 wt. % Cu, 0.45 to 1.2 w... | 11/01/2005 |
| 6945085 | Method of making metal containers Lightweight metal containers are formed from high-strength metal alloys by impact extrusion of a cup-shaped container having a substantially larger diameter than the finished container, drawing and wall ironing the extruded container to reduce its diameter and wall ... | 09/20/2005 |
| 6946221 | Square battery container, method of manufacturing the container, and square battery using the container A prismatic battery case with high dimensional precision is manufactured, while pursuing an improvement in productivity, with a manufacturing method of a prismatic battery case that includes a first step for molding an intermediate cup body (8) by impact mold... | 09/20/2005 |
| 6918975 | Aluminum alloy extrusions having a substantially unrecrystallized structure A substantially unrecrystallized extrusion comprising about 3.6 to about 4.2 wt. % copper, about 1.0 to about 1.6 wt. % magnesium, about 0.3 to about 0.8 wt. % manganese, about 0.05 to 0.25% zirconium, the balance substantially aluminum, incidental elements and impu... | 07/19/2005 |
| 6908520 | Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioner piping and process for producing the same Disclosed are aluminum alloy hollow materials and processes for producing the same wherein an aluminum alloy hollow material is produced by subjecting an ingot of an aluminum alloy containing 0.3˜1.5 wt % Mn to port hole extrusion or port hole extrusion and drawing... | 06/21/2005 |
| 6802444 | Heat treatment of friction stir welded 7X50 aluminum A method for treating alloy before and after friction stir welding, the method comprising the following steps. First solution heat treating a multiplicity of aluminum-zinc alloy engineered components for a first time period at a first temperature. First air cooling ... | 10/12/2004 |
| 6743312 | Method of fabricating a ball protective mask A method of fabricating ball protective mask includes (1) aluminum extrusion: the aluminum extruded structure has a suitably shaped outer ring frame and densely packed hollow holes so that the cross section thereof forms a grid-like structure, two sides there... | 06/01/2004 |
| 6692589 | Aircraft structure element made of an Al-Cu-Mg- alloy A process for forming a structure element, particularly an lower wing element of an aircraft, manufactured from a rolled, extruded or forged product made of an alloy of composition (% by weight) Cu=4.6-5.3, Mg=0.10-0.50, Mn=0.15-0.45, Si | 02/17/2004 |
| 6679958 | Process of aging an aluminum alloy containing magnesium and silicon An ageing process capable of producing an aluminum alloy with better mechanical properties than possible with traditional ageing procedures. The ageing process employs a dual rate heating technique that comprises a first stage in which the aluminum alloy ... | 01/20/2004 |
| 6630039 | Extrusion method utilizing maximum exit temperature from the die A method of producing an aluminum base alloy extruded product. The method comprises (a) providing a body of an aluminum base alloy; (b) homogenizing the body at an elevated temperature not exceeding its eutectic temperature for a sufficient period of time... | 10/07/2003 |
| 6627012 | Method for producing lightweight alloy stock for gun frames The present invention relates to a method for fabricating lightweight alloy feedstock for gun frames. Specifically, the method for producing the work stock proposed in the present invention enables a gun manufacturer to readily machine or forge a suitable... | 09/30/2003 |
| 6627010 | Method for the production of alloys form eutectic alloy systems The present invention concerns procedures for producing an alloy from a eutectic alloy system, in order to form a workpiece for rolling or extrusion purposes by, for example, producing an Al--Mg--Si alloy, which can be precipitation-hardened, which alloy,... | 09/30/2003 |
| 6602364 | Aluminium alloy containing magnesium and silicon An aluminum alloy and a process for treating the aluminum alloy. The alloy contains 0.5 to 2.5% by weight of an alloying mixture of magnesium and silicon, in which the molar ratio of Mg/Si is 0.70 to 1.25, the alloy optionally containing an additional amo... | 08/05/2003 |
| 6565684 | Manufacturing process for a hollow pressure vessel made of AlZnMgCu alloy A process for manufacturing a hollow pressure vessel, in which a billet is cast from an alloy with a composition in % by weight, Zn=6.25-8.0, Mg=1.2-2.2, Cu=1.7-2.8, Fe | 05/20/2003 |
| 6524410 | Method for producing high strength aluminum alloy welded structures The present invention relates to a method for fabricating lightweight alloy feedstock for welded structures. Specifically, the method for producing the tubular stock proposed in the present invention enables a bicycle manufacturer to readily weld a lightw... | 02/25/2003 |
| 6440359 | Al-Mg-Si alloy with good extrusion properties An alloy of composition in wt. % (see table (I)) and incidental impurities up to 0.05 each 0.15 total, balance A1. The alloy can be extruded at high speed to provide extruded sections which meet T5 or T6 strength requirements.... | 08/27/2002 |
| 6423163 | Process for the manufacture of a free-cutting aluminum alloy A free-cutting aluminum alloy without lead as an alloy element, containing: (a) as alloy elements: 0.5 to 1.0 wt. % Mn; 0.4 to 1.8 wt. % Mg; 3.3 to 4.6 wt. % Cu; 0.4 to 1.9 wt. % Sn; 0 to 0.1 wt. % Cr; 0 to 0.2 wt. % Ti; (b) as impurities: up to 0.8 wt. %... | 07/23/2002 |
| 6391129 | Aluminium extrusion alloy The invention relates to an aluminium extrusion alloy comprising in weight percent: Mn 1.0-1.4, Cu 0.2-2.0, Mg 0.1-0.6, Si 0.15-1.0, Fe 0.8 max., Zn 0.25 max., Ti 0.15 max., Cr 0.35 max., Zr and/or V in total 0.25 max., others up to 0.05 each, total 0.15,... | 05/21/2002 |
| 6375767 | Aluminium alloy and extrusion A population of extrusion billets has a specification such that every billet is of an alloy of composition (in wt. %) : Fe | 04/23/2002 |
| 6322647 | Methods of improving hot working productivity and corrosion resistance in AA7000 series aluminum alloys and products therefrom Methods of improving the corrosion resistance and hot working productivity of AA7000 series aluminum alloys include, in one mode, the steps of treating a stock material to form a globular microstructure, preferably by a thermal conversion treatment, and s... | 11/27/2001 |
