Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7422241 | Support for a vehicle body A girder is described for a vehicle chassis made of at least two sheet metal profiles (4, 5) composed along their longitudinal edges into a circumferentially enclosed hollow profile (1), which hollow profile comprises at least two longitudinal sections... | 09/09/2008 |
| 7374827 | Recovered high strength multi-layer aluminum brazing sheet products A metallurgical product consists essentially of a core aluminum alloy, purposefully tailored through chemistry and processing route to resist recrystallization during the brazing cycle to intentionally exploit the higher strengths immediately after brazing of a defo... | 05/20/2008 |
| 7226669 | High strength aluminium alloy brazing sheet, brazed assembly and method for producing same The present invention a high strength aluminium alloy brazing sheet, comprising an Al—Zn core layer and at least one clad layer, the core layer including the following composition (in weight percent): ... | 06/05/2007 |
| 7156930 | Aluminum alloy pipe having multistage formability An aluminum alloy pipe, which is composed of an aluminum alloy containing 2.0% (% by mass, the same hereinafter) to 5.0% of Mg, 0.20% or less of Si, 0.30% or less of Fe, 0.8% or less (including 0%) of Mn, 0.35% or less (including 0%) of Cr, and 0.2% or less (includi... | 01/02/2007 |
| 7125612 | Casting of non-ferrous metals A method of continuous casting non-ferrous alloys which includes delivering molten non-ferrous alloy to a casting apparatus. The casting apparatus rapidly cools at least a portion of the non-ferrous alloy at a rate of at least about 100° C. thereby solidifying an o... | 10/24/2006 |
| 7059290 | Cylinder liner with its inner peripheral surface formed with surface treatment layer, and method for machining to the surface treatment layer A cylinder liner for use in an internal combustion engine has an inner peripheral surface at which a surface treatment layer is formed upon water vapor treatment. The surface treatment layer has a surface configuration capable of providing excellent lubrication oil ... | 06/13/2006 |
| 6960274 | Tooling and method of manufacturing a mesh laminate An apparatus and method of manufacturing a wire mesh laminate includes wrapping a central core with multiple layers of mesh screen and a barrier layer having a higher melting point than the mesh screen to form a spool assembly. The spool assembly is then surrounded ... | 11/01/2005 |
| 6936118 | Process of forming a composite coating on a substrate Precursor-based methods for the production of metal-matrix composite (MMC) coatings on steel and aluminum substrates for improved wear, corrosion and oxidation resistance have been made. Wire and surface precursors are deposited on the substrate by controlled therma... | 08/30/2005 |
| 6932879 | Method of weldbonding An improved method of weldbonding utilizing inclusion bodies, placed directly between materials to be bonded or included in a weldbonding adhesive. The inclusion bodies maintain a gap between the materials to be welded which provides a gas releasing egress route to ... | 08/23/2005 |
| 6923876 | Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers The invention relates to a process to manufacture a clad strip, preferably | 08/02/2005 |
| 6902828 | Bright products obtained by continuous casting A bright composite sheet product including a roll cast core and a clad material bonded to the core. The core is an aluminum alloy of the AA series 1XXX, 3XXX, 5XXX, or 8XXX, and the clad material contains at least 99.5 wt. % aluminum. The composite sheet products is... | 06/07/2005 |
| 6764558 | Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers The invention relates to a process to manufacture a clad strip, | 07/20/2004 |
| 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 |
| 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 |
| 6645321 | Method for grain refinement of high strength aluminum casting alloys A method of casting an aluminum base alloy to provide a cast product having improved hot crack resistance in the as-cast condition, the method comprising providing a melt of an aluminum base alloy comprised of 2.0 to less than 3.5 wt. % Zn, 2.5 to less th... | 11/11/2003 |
| 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 |
| 6428909 | Aluminum alloy member and production method thereof To provide an aluminum alloy member having a high machinability while keeping a sufficient mechanical strength and a sufficient wear resistance, and a method of producing the aluminum alloy member. In an aluminum alloy member formed from an aluminum-silic... | 08/06/2002 |
| 6368427 | Method for grain refinement of high strength aluminum casting alloys A method of casting an aluminum base alloy to provide a cast product having improved hot crack resistance in the as-cast condition, the method comprising providing a melt of an aluminum base alloy comprised of 4 to less than 5 wt. % Cu, max. 0.1 wt. % Mn,... | 04/09/2002 |
| 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 |
| 6328824 | Sheet with aluminum coating that is resistant to cracking A metallic sheet with an aluminum coating, the coating having an internal layer of iron/aluminum/silicon alloys, and an external layer, thicker, of an aluminum-based phase and secondarily of phases in the form of needles or elongated lamellae. The project... | 12/11/2001 |
| 6329075 | Electrical conductivity and high strength aluminum alloy composite material and methods of manufacturing and use An aluminum alloy composite material includes a higher strength aluminum alloy core material layer and at least one cladding aluminum alloy material layer having a higher electrical conductivity than the core material. The cladding layer is positioned adj... | 12/11/2001 |
| 6316125 | Aluminum welding process and composition for use in same The invention provides a new and improved process and exothermic reaction mixture for producing molten weld metal. The molten weld metal is used in joining one metallic piece with at least one other metallic piece. The process and exothermic reaction mixt... | 11/13/2001 |
| 6224987 | Conductive substrate for electrophotoconductor A conductive substrate of an electrophotographic photoconductor has magnesium suicide precipitated therein as an impurity compound. The conductive substrate has an aluminum oxide film of minimum thickness deviation, and an aluminum base which exhibits a l... | 05/01/2001 |
| 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 |
| 6136106 | Process for manufacturing thin pipes The invention relates to a method for manufacturing thin-walled pipes, which are made of a heat-resistant and wear-resistant aluminum-based material. The method comprises the spray-compacting of a thick-walled pipe made of a hypereutectic aluminum-silicon... | 10/24/2000 |
| 6019939 | Aluminium alloy brazing sheet Aluminum brazing alloy composition is (in wt. %): Mn 0.7-1.5, Cu 0.5-1.0, Fe not more than 0.4, Si not more than 0.15, Mg up to 0.8, V and/or Cr up to 0.3, Ti up to 0.1, others up to 0.05 each, 0.15 total, balance A1 of at least commercial purity. Improve... | 02/01/2000 |
| 5911844 | Method for forming a metallic material A method for drawing a portion of metallic material having a known hardness. The method includes the step of applying a localized heat treatment to predetermined portions of the metallic material. Additionally, the method comprises forming the localized h... | 06/15/1999 |
| 5891273 | Cylinder liner of a hypereutectic aluminum/silicon alloy for casting into a crankcase of a reciprocating piston engine and process for producing such a cylinder liner The invention relates to a cylinder liner, cast into a reciprocating piston engine, of a highly hypereutectic aluminum/silicon alloy which is free of hard material particles independent of the melt and has such a composition that fine primary silicon crys... | 04/06/1999 |
| 5857916 | Motor vehicle drive shaft comprising a straight seam welded pipe of an aluminum alloy A drive shaft for motor vehicles in the form of a pipe consisting of aluminum. The drive shaft is a straight seam welded pipe consisting of a strain-hardening aluminum alloy. The pipe is straight seam welded without incorporation of additional materials a... | 01/12/1999 |
| 5766380 | Method for fabricating randomly oriented aluminum alloy sputtering targets with fine grains and fine precipitates A method of fabricating an alloy sputtering target having fine precipitates of the second phase material and small, randomly oriented and uniform grains. The new method includes solution treatment to minimize second-phase precipitate size, cryo-deformatio... | 06/16/1998 |
| 5643371 | Method and apparatus for continuously cladding and hot working cast material A method and apparatus for continuously cladding cast material includes simultaneously roll bonding a cladding liner stock to a material exiting a continuous casting apparatus. At the same time the liner stock is roll bonded to the cast material, the clad... | 07/01/1997 |
| 5486243 | Method of producing an aluminum alloy sheet excelling in formability A method including preparing an aluminum scrap containing a total of about 0.3 to 2.0 wt % of Fe and Si; melting and then adjusting the material composition so as to attain an Mg content of about 3 to 10 wt % or a composition further containing at least o... | 01/23/1996 |
| 5480496 | Method of making twin roll cast clad material using drag cast liner stock and article produced thereby A method of making twin roll cast clad material includes producing a composite material using a liner stock produced by drag casting techniques. The drag cast liner stock can be directly used in a twin roll continuous casting process without additional pr... | 01/02/1996 |
| 5476725 | Clad metallurgical products and methods of manufacture A composite metallurgical product includes a roll cast aluminum alloy core and a filler material bonded on the core. Assemblies joined by filler material are formed from this product by heating to flow the filler material into joints and subsequent solidi... | 12/19/1995 |
| 5447291 | Processes for fabricating structural ceramic bodies and structural ceramic-bearing composite bodies Shaped refractory ceramic and refractory ceramic composite objects are made from corresponding shaped, oxidation-resistant-metal-bearing objects through exposure to an oxidizing environment without substantial changes in dimensions by providing in the sha... | 09/05/1995 |
| 5437746 | Aluminum alloy sheet for discs having good platability An aluminium alloy sheet for various discs having good platability is described. The alloy consists essentially of 2 to 6 wt % of Mg, 0.1 to 0.5 wt % of Zn, 0.03 to 0.40 wt % of Cu, 0.01 to 0.30 wt % of Fe and the balance of Al.... | 08/01/1995 |
| 5407495 | Thermal management of fibers and particles in composites A metal matrix composite consisting of aluminum silicon alloy reinforced with graphite fibers exhibits improved mechanical and physical properties when the graphite fibers are subjected to external cooling.... | 04/18/1995 |
| 5041343 | Process for improving the corrosion resistance of brazing sheet A process is described for producing a corrosion resistant aluminum composite sheet product for use in brazing. The process steps comprise: (a) casting an aluminum-base core material containing no more than 0.4% iron, no more than 0.15% silicon, from about 0.1... | 08/20/1991 |
| 4995917 | Manufacturing process for die-cast light-metal wheels of passenger cars A manufacturing process for die-cast light-metal parts, particularly die-cast light-metal wheels for passenger cars using gravity die-casting process using an almost eutectic refined GK-ALSill/Sr-kf alloy having 0.05 to 0.1% parts by weight of magnesium a... | 02/26/1991 |
| 4818300 | Method for making lithoplate An improved method of making a lithoplate from a 5XXX type alloy which includes controlling the composition and casting practices to eliminate forming a pine tree metal structure in an ingot used for rolling a workpiece to be made into lithoplate. The met... | 04/04/1989 |
