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| Number | Title | Issue Date |
| 7922841 | Method for preparing high-temperature nanophase aluminum-alloy sheets and aluminum-alloy sheets prepared thereby An aluminum or aluminum-alloy material sheet comprised of an aluminum material having an ultra-fine, submicron grain structure. The strength and physical properties of the aluminum or aluminum-alloy material sheet are improved over previous aluminum and aluminum-all... | 04/12/2011 |
| 7727346 | Wrought aluminium-magnesium alloy product A method of making a wrought aluminium-magnesium alloy rolled product, having a composition (in wt. %) of: 3.1 | 06/01/2010 |
| 7348493 | Metal-ceramic circuit board A metal-ceramic circuit board is characterized by being constituted by bonding directly on a base plate of aluminum or aluminum alloy at least one of ceramic substrate boards having a conductive metal member of an electronic circuit. The base plate has a proof stres... | 03/25/2008 |
| 7228629 | Method of spin forming an automotive wheel rim The present invention is directed to a method of manufacturing a three piece aluminum wheel assembly comprising the steps of providing a pair of circular blanks made of a heat treatable alloy to be formed into preforms of a general shape. The preforms are subjected ... | 06/12/2007 |
| 7214279 | Al/Cu/Mg/Ag alloy with Si, semi-finished product made from such an alloy and method for production of such a semi-finished product An Al/Cu/Mg/Mn alloy for the production of semi-finished products with high static and dynamic strength properties has the following composition: 0.3–0.7 wt % silicon (Si), max. 0.15 wt. % iron (Fe), 3.5–4.5 wt % copper (Cu), 0.1–0.5 wt. % manganese (Mn), 0.3â... | 05/08/2007 |
| 7189294 | Al-Mg-Si series alloy plate, method for manufacturing the same and Al-Mg-Si series alloy material A method for manufacturing an Al—Mg—Si series alloy plate includes the steps of hot-rolling and subsequently cold-rolling an Al—Mg—Si series alloy ingot. The Al—Mg—Si series alloy ingot consists of Si: 0.2 to 0.8 mass %, Mg: 0.3 to 1 mass %, Fe: 0.5 mass... | 03/13/2007 |
| 7048816 | Continuously cast magnesium containing, aluminum alloy sheet with copper addition A magnesium, manganese and copper-containing aluminum alloy sheet material suitable for use in high elongation forming processes is produced according to an improved thermomechanical process. The sheet material is produced by continuous casting with an as-cast gage ... | 05/23/2006 |
| 6994916 | Friction stir grain refinement of structural members The present invention provides an improved structural assembly constructed of a plurality of structural members secured together. At least one of the plurality of structural members defines a first region characterized by comparatively high operational stress and a ... | 02/07/2006 |
| 6931977 | Protective device for a field apparatus A protective device for a field apparatus includes first and second lateral plates, each plate having a top end and a bottom end. The first and second lateral plates are opposingly situated to mutually support each other in an A-shaped structure. In this A-shaped st... | 08/23/2005 |
| 6863747 | Aluminum sheet material for automobile and method of producing the same An aluminum sheet material for automobiles is herein disclosed, having an aluminum alloy composition: (i) comprising 3.5 to 5 wt % of Si, 0.3 to 1.5 wt % of Mg, 0.4 to 1.5 wt % of Zn, 0.4 to 1.5 wt % of Cu, 0.4 to 1.5 wt % of Fe, and 0.6 to 1 wt % of Mn, and one or ... | 03/08/2005 |
| 6811625 | Method for processing of continuously cast aluminum sheet A method is disclosed for making relatively low cost sheet material of magnesium- and manganese-containing aluminum alloy for high elongation forming of articles of complex configuration. The alloy is continuously cast with an as-cast gage of 6-30 mm and immediately... | 11/02/2004 |
| 6764559 | Aluminum automotive frame members Disclosed is a method for producing aluminum vehicular frame members such as frame members 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 2.7 to 3.6... | 07/20/2004 |
| 6736911 | Aluminum alloy, aluminum alloy foil, container and method of preparing aluminum alloy foil An aluminum alloy contains at least 0.0001 mass % and not more than 0.03 mass % of copper, at least 0.0005 mass % and not more than 0.2 mass % of silicon, at least 0.5 mass % and not more than 4 mass % of manganese and at least 0.5 mass % and not more than 3 mass % ... | 05/18/2004 |
| 6702907 | Forged scroll part and production process thereof A process for producing an aluminum alloy-made forged scroll part includes a step of casting an aluminum alloy material into a round bar having a diameter of 130 mm or less, the aluminum alloy material comprising 8.0-12.5 mass % of Si, 1.0-5.0 mass % of C... | 03/09/2004 |
| 6696175 | Unrecrystallized layer and associated alloys and methods The present invention provides aluminum alloys and layers formed in aluminum alloys as well as methods for their manufacture. Aluminum alloys of the present invention are provided with at least one discrete layer of uncrystallized grains formed therein. A... | 02/24/2004 |
| 6666933 | Can end, and method of manufacture therefor A can end is manufactured by forming an end shell comprising a radially outer seaming flange, a chuck wall adjacent the seaming flange, a center panel, and an axially downward countersink joining the center panel to the chuck wall below the level of the s... | 12/23/2003 |
| 6663729 | Production of aluminum alloy foils having high strength and good rollability An aluminum alloy foil is formed from an alloy containing about 1.2 to 1.7% by weight Fe and about 0.35 to 0.80% by weight Si, with the balance aluminum and incidental impurities. The alloy is continuously strip cast to form a strip having a thickness les... | 12/16/2003 |
| 6660111 | Method of manufacturing Al-Mg-Si series alloy plate excellent in thermal conductivity and intensity An Al--Mg--Si series alloy ingot consisting essentially of Si:0.2-0.8 wt %, Mg:0.3-0.9 wt %, Fe:0.35 wt % or less, Cu:0.20 wt % or less and the balance of aluminum and inevitable impurities is prepared. The alloy ingot is homogenized, then subjected to ro... | 12/09/2003 |
| 6592688 | High conductivity aluminum fin alloy An improved aluminum alloy fin stock is described having both a high strength and a high thermal conductivity. The fin stock contains 1.2-1.8% Fe, 0.7-0.95% Si, 0.3-0.5% Mn, 0.3-1.2% Zn and the balance Al, and is produced by continuously strip casting the... | 07/15/2003 |
| 6579387 | Continuous casting process for producing aluminum alloys having low earing The present invention provides an improved process for continuously casting aluminum alloys and improved aluminum alloy compositions. The process includes the steps of continuously annealing the cold rolled strip in an intermediate anneal using an inducti... | 06/17/2003 |
| 6543122 | Process for producing thick sheet from direct chill cast cold rolled aluminum alloy A process for producing thick aluminum/aluminum alloy sheet useful for truck parts and the like includes the steps of feeding molten aluminum/aluminum alloy (10) into a direct casting apparatus (12) to provide an ingot that is subjected to a cooling (15) ... | 04/08/2003 |
| 6544358 | A1 alloy and method An aluminium alloy in the AA5XXX series has the composition: Si 0.10-0.25 %; Fe 0.18-0.30 %; Cu up to 0.5 %; Mn 0.4-0.7 %; Mg 3.0-3.5%; Cr up to 0.2%; and Ti up to 0.1%. Rolled and annealed sheet of the alloy is readily formed into shaped components for u... | 04/08/2003 |
| 6531006 | Production of high strength aluminum alloy foils An aluminum alloy foil is formed from an alloy containing about 1.2 to 1.7% by weight iron, about 0.4 to 0.8% by weight silicon and about 0.07 to 0.20% by weight manganese, with the balance aluminum and incidental impurities. The alloy is continuously str... | 03/11/2003 |
| 6528183 | Clad aluminum alloy sheet for aircraft structural parts Clad sheet made up of a core sheet and a cladding layer on one or two core sheet surfaces. The core sheet is formed of an alloy having the composition (% by weight) Si: 0.7-1.3, Mg: 0.6-1.2, Cu: 0.5-1.1, Mn: 0.15-1.0, Zn | 03/04/2003 |
| 6485585 | Method for making sheet metal components with textured surfaces Pre-straining and thermal recrystallization processes for maximizing formability in SPF sheet alloys of aluminum, magnesium, iron and titanium can be modified to form sheet products with roughened or textured surfaces for low-slip applications or coating ... | 11/26/2002 |
| 6451453 | Aluminum alloy strip or tube for the manufacture of brazed heat exchangers Strip or drawn tube for the manufacture of a brazed heat exchanger, formed from an aluminum alloy containing Si, Cu and Mn, with optional amounts of Mg, Fe, Zn and Ti, where FeࣘSi, and Cu+Mg>0.4. In the form of a strip, the alloy may be coated on one or... | 09/17/2002 |
| 6391127 | Method of manufacturing aluminum alloy sheet A method for manufacturing aluminum sheet stock which includes hot rolling an aluminum alloy sheet stock, quenching and coiling the feedstock. Then, in a second sequence, the feedstock is uncoiled, annealed and quenched to a temperature for cold rolling.... | 05/21/2002 |
| 6387198 | Process for producing aluminum alloy substrate for lithographic printing plate In order to produce an aluminum alloy substrate for a lithographic printing plate wherein grain structure refining and homogenizing are promoted, and the uniformity of the appearance of the grained surface is particularly improved, the process of the pres... | 05/14/2002 |
| 6352789 | Brazing sheet and method of making same The invention relates to a brazing sheet with a two-layer structure or a three-layer structure, having a core sheet made of an aluminium alloy core material and on one side or both sides thereof a brazing layer of an aluminium alloy containing silicon as ... | 03/05/2002 |
| 6325872 | Method for making body stock An aluminum alloy sheet and a method for producing an aluminum alloy sheet. The aluminum alloy sheet is useful for forming into drawn and ironed container bodies. The sheet preferably has an after-bake yield strength of at least about 37 ksi and an elonga... | 12/04/2001 |
| 6261391 | Aluminum alloy plate for super plastic molding capable of cold pre-molding, and production method for the same The present invention disclosed is an aluminum alloy plate for super plastic molding capable of cold pre-molding before super plastic molding. The alloy plate comprises Mg at from 2.0 to 8.0% (weight %, the same shall apply hereinafter) Be at from 0.0001 ... | 07/17/2001 |
| 6221515 | Bimetallic strip for a sliding bearing and process for producing said bimetallic strip A bimetallic strip for a sliding bearing having a sliding strip of an aluminum alloy which is adhered to a steel supporting strip and method of manufacture. The composition of the sliding strip is from 3 to 30% of tin; from 1 to 6% of silicon and the rema... | 04/24/2001 |
| 6165291 | Process of producing aluminum fin alloy An aluminum alloy fin stock of lower (more negative) corrosion potential and higher thermal conductivity is produced by a process, which comprises continuously strip casting the alloy to form a strip, cold rolling the strip to an intermediate gauge sheet,... | 12/26/2000 |
| 6156135 | Aluminum substrate for lithographic printing plate and process for producing the same An aluminum substrate for lithographic printing plates which forms uniform pits on electrolytic etching without undergoing dissolution, the substrate being obtained by electrolytic etching an aluminum plate prepared by continuous casting in a twin roll mo... | 12/05/2000 |
| 6110297 | Aluminum alloy sheet with excellent formability and method for manufacture thereof The invention provides an aluminum alloy sheet that has excellent formability, high coat-baking hardenability, excellent corrosion resistance, and is particularly suitable for external automobile body plates. The aluminum alloy sheet comprises: 0.9 to 1.3... | 08/29/2000 |
| 6045632 | Method for making can end and tab stock End or tab stock and a method for its manufacture in which a low alloy content aluminum alloy is continuously cast to form a hot feedstock, the hot feedstock is rapidly quenched rapidly to prevent substantial precipitation of alloying elements, annealed, ... | 04/04/2000 |
| 5993573 | Continuously annealed aluminum alloys and process for making same The present invention provides an improved process for continuously casting aluminum alloys and improved aluminum alloy compositions. The process includes the steps of (a) heating the cast strip before, during or after hot rolling to a temperature in exce... | 11/30/1999 |
| 5902546 | Aluminum alloy impeller and manufacturing method of the same There is disclosed a high heat resistant aluminum alloy impeller, which is suitably used as an impeller, especially for a centrifugal compressor, and for the rotor and the blade of a turbo molecular pump or the scroll of a scroll compressor. Also, a metho... | 05/11/1999 |
| 5865914 | Method for making an aerospace structural member There is claimed a lower wing structure for a commercial jet aircraft which includes a substantially unrecrystallized rolled plate member made from an aluminum alloy consisting essentially of about 3.6 to 4.0 wt. % copper, about 1.0 to 1.6 wt. % magnesium... | 02/02/1999 |
| 5833775 | Method for making an improved aluminum alloy sheet product An aluminum alloy sheet and a method for producing an aluminum alloy sheet. The aluminum alloy sheet is useful for forming into drawn and ironed container bodies. The sheet preferably has an after-bake yield strength of at least about 37 ksi and an elonga... | 11/10/1998 |
