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| Number | Title | Issue Date |
| 6152354 | Brazing filler alloy containing calcium Minor additions of calcium (Ca) to Al--(1% to 14%) Si filler metals result in larger fillets than conventional Al--Si alloys normally used in the NOCOLOK brazing process. This new filler metal can be clad to 2XXX, 3XXX, 6XXX, and 7XXX series alloys and br... | 11/28/2000 |
| 6139653 | Aluminum-magnesium-scandium alloys with zinc and copper Al--Mg--Sc based alloys include additional elements selected from the group comprising Hf, Mn, Zr, Cu and Zn to improve their tensile properties. The alloys are preferably comprised of aluminum and, in wt. %, 1.0-8.0% Mg, 0.05-0.6% Sc, 0.05-0.20% Hf and/o... | 10/31/2000 |
| 6102102 | Method and apparatus for continuous casting of metals A metal strip is continuously cast between a pair of heat conductive endless belts which serve to form a molding zone to solidify molten metal. The endless belts remove heat from the molten metal and are cooled when the belts are not in contact with the m... | 08/15/2000 |
| 6082659 | High speed transfer of strip in a continuous strip processing application Apparatus and a process for the high-speed coiling of an aluminum strip. The high speed coiling can be accomplished throughout a continuous casting process without slowing the coiling as the present invention enables the transfer of the moving strip from ... | 07/04/2000 |
| 6063215 | Method of manufacturing casting belts for use in the casting of metals A belt for use in the casting of metals and a method for its manufacture in which a metal belt is first subjected to heat treatment, quenching and tempering to improve its strength and decrease its stretchability. Then the belt is treated to introduce sur... | 05/16/2000 |
| 6059976 | Reclamation of spent aluminum rolling coolant oils, emulsions and dispersions The present invention is a process for reclaiming and recycling oil/water mixtures. These mixtures are preferably hot or cold rolling oils for aluminum manufacturing operations. When used, the rolling oils contain organometallic particles and have less co... | 05/09/2000 |
| 6004409 | Production of high quality machinable tolling plate using brazing sheet scrap The present invention is a process to use aluminum alloy scrap to manufacture high quality machinable tooling plate. This is an new use for this scrap which has heretofore been used in lower quality products. The tooling plate thus made has superior prope... | 12/21/1999 |
| 6004130 | Flue seal for a carbon anode baking furnace A device for sealing a passageway in a flue from a carbon anode baking furnace, the flue being generally rectangular in shape and comprising a flue top and bottom, a headwall on either end of the flue, two walls, an opening in the flue top, at least one b... | 12/21/1999 |
| 5971258 | Method of joining aluminum parts by brazing using aluminum-magnesium-lithium-filler alloy The present invention provides a method of joining aluminum parts by brazing, comprising the steps of (a) providing a composite sheet having an aluminum core alloy material and a filler alloy cladding, applied to the core alloy material, the cladding incl... | 10/26/1999 |
| 5938867 | Method of manufacturing aluminum aircraft sheet A method of producing an aluminum product comprising providing stock including an aluminum alloy comprising about 4.0 to 4.4 wt. % copper, about 1.25 to 1.5 wt. % magnesium, about 0.35 to 0.5 wt. % manganese, not more than 0.12 wt. % silicon, not more tha... | 08/17/1999 |
| 5931772 | Use of spent bauxite as an absorbent or solidification agent A composition particularly useful in solidifying liquid wastes for disposal in landfills, including, for example, liquid industrial wastes. The preferred embodiment of the present invention contemplates a composition primarily composed of bauxite tailings... | 08/03/1999 |
| 5916385 | Aluminum-cooper alloy An essentially lead-free aluminum alloy is provided for extruded screw machine stock. The alloy consists essentially of from about 4.5% to about 6% copper, a maximum of about 0.4% silicon, a maximum of about 0.7% iron, not more than about 0.3% zinc, from ... | 06/29/1999 |
| 5897720 | Aluminum-copper-magnesium-manganese alloy useful for aircraft applications A product comprising an aluminum base alloy including about 3.8 wt. % copper, about 1.2 wt. % magnesium, about 0.3 to 0.6 wt. % manganese, not more than about 0.15 wt. % silicon, not more than about 0.12 wt. % iron, not more than about 0.1 wt. % titanium,... | 04/27/1999 |
| 5894879 | Method of manufacturing aluminum alloy sheet A method for manufacturing aluminum alloy sheet including a continuous, in-line sequence of forming a strip of aluminum alloy and rolling the strip to reduce its thickness and to cool the strip sufficiently rapidly that precipitation of alloying elements ... | 04/20/1999 |
| 5888320 | Aluminum alloy having improved damage tolerant characteristics A method of producing an aluminum product having high formability high fracture toughness, high strength and improved corrosion resistance, the method comprising: (a) providing stock including an aluminum base alloy consisting essentially of about 0.7 to ... | 03/30/1999 |
| 5862582 | Method for making hollow workpieces A method for making hollow workpieces such as beverage containers with a circular die in which an aluminum alloy is strip cast whereby the alloy is solidified rapidly without substantial precipitation. Thereafter, the aluminum alloy is formed into a cup w... | 01/26/1999 |
| 5820015 | Process for improving the fillet-forming capability of brazeable aluminum articles A process for improving the fillet-forming capability of brazeable aluminum articles includes providing a brazeable aluminum article, having at least one surface; and contacting the surface with a dilute, aqueous solution of fluoridic compounds, for at le... | 10/13/1998 |
| 5810952 | Lead-free 6000 series aluminum alloy A process for making an essentially lead-free screw machine stock alloy, comprising the steps of providing a cast aluminum ingot having a composition consisting essentially of about 0.55 to 0.70 wt. % silicon, about 0.15 to 0.45 wt. % iron, about 0.30 to ... | 09/22/1998 |
| 5803994 | Aluminum-copper alloy An essentially lead-free aluminum alloy is provided for extruded screw machine stock. The alloy consists essentially of from about 4.5% to about 6% copper, a maximum of about 0.4% silicon, a maximum of about 0.7% iron, not more than about 0.3% zinc, from ... | 09/08/1998 |
| 5776269 | Lead-free 6000 series aluminum alloy A process for making an essentially lead-free screw machine stock alloy, comprising the steps of providing a cast aluminum ingot having a composition consisting essentially of about 0.55 to 0.70 wt. % silicon, about 0.15 to 0.45 wt. % iron, about 0.30 to ... | 07/07/1998 |
| 5772804 | Method of producing aluminum alloys having superplastic properties A method of producing an aluminum alloy having superplastic properties, including the steps of: heating the aluminum alloy; hot rolling to an exit temperature ranging from about 650° to 70° F.; and cold rolling to a gauge corresponding to a percentage o... | 06/30/1998 |
| 5772802 | Method for making can end and tab stock Can or lid stock and a method for its manufacture in which a low alloy content aluminum alloy is strip cast to form a hot strip cast feedstock, the hot feedstock is rapidly quenched to prevent substantial precipitation, annealed and quenched rapidly to pr... | 06/30/1998 |
| 5772799 | Method for making can end and tab stock Can or lid stock and a method for its manufacture in which a low alloy content aluminum alloy is strip cast to form a hot strip cast feedstock, the hot feedstock is rapidly quenched to prevent substantial precipitation and then cold rolled. The can end an... | 06/30/1998 |
| 5769972 | Method for making can end and tab stock Can or lid stock and a method for its manufacture in which a low alloy content aluminum alloy is strip cast to form a hot strip cast feedstock, the hot feedstock is rapidly annealed and quenched rapidly to prevent substantial precipitation of alloying ele... | 06/23/1998 |
| 5742993 | Method for making hollow workpieces A method for making hollow workpieces such as beverage containers with a circular die in which an aluminum alloy is strip cast whereby the alloy is solidified rapidly without substantial precipitation. Thereafter, the aluminum alloy is formed into a cup w... | 04/28/1998 |
| 5715643 | Automotive space frame joining system An automotive space frame joining system. The joining system includes a pair of extruded aluminum alloy lineal hollow rectangular members, the first lineal member having a top end, a bottom end and two opposing sides, each opposing side including a plural... | 02/10/1998 |
| 5702537 | Method for removing liquid edge bead Method for removal of a liquid edge bead from the side marginal edges of a moving web, such as a strip. The method involves providing a moving web and two pair of manifolds, which are positioned above and below the top and bottom surfaces of the web, disc... | 12/30/1997 |
| 5690758 | Process for the fabrication of aluminum alloy sheet having high formability The invention relates to a fabrication process to obtain aluminum alloy sheet having high formability. In this process, an alloy obtained by alloying Al with Si, Mg, Cu, Mn and Fe, and one or more elements taken from the group of Cr, Zn, Zr and Ti, is sub... | 11/25/1997 |
| 5662750 | Method of manufacturing aluminum articles having improved bake hardenability A method of producing an aluminum article comprising the steps of: (a) providing stock including an aluminum alloy comprising about 1.0 to 1.3 wt.% silicon, about 0.40 to 0.80 wt.% magnesium, about 0.02 to 0.20 wt.% of an element selected from the group c... | 09/02/1997 |
| 5655593 | Method of manufacturing aluminum alloy sheet A method for manufacturing aluminum alloy sheet including a continuous, in-line sequence of forming a strip of aluminum alloy and rolling the strip to reduce its thickness and to cool the strip sufficiently rapidly that precipitation of alloying elements ... | 08/12/1997 |
| 5637349 | Method of reducing dusting tendencies of conveyed particulate material A system and a process is provided for reducing the dust formation during the transfer of a particulate material on an endless conveyor belt. During transfer of the material on the conveyor belt the material is first sprayed with a wetting agent then by a... | 06/10/1997 |
| 5622561 | Particulate material treatment system and conveyor belt mixing system A system and a process is provided for reducing the dust formation during the transfer of a particulate material on an endless conveyor belt. During transfer of the material on the conveyor belt the material is first sprayed with a wetting agent then by a... | 04/22/1997 |
| 5605349 | Integrated canister for an airbag inflator A canister for an airbag inflator includes a tubular body having a cylindrical shape elongated from a first end to a second end along a longitudinal central The tubular body forms a continuous wall that defines a pressurized gas chamber at the first end a... | 02/25/1997 |
| 5564619 | Method of joining aluminium parts by brazing An aluminum brazing alloy composite sheet is provided which can be utilized in both the vacuum brazing process and the controlled atmosphere brazing process for the brazing of aluminum parts, The brazing alloy composite sheet consists of an aluminum core ... | 10/15/1996 |
| 5564491 | Method and apparatus for twin belt casting of strip An apparatus and method for strip casting of metals on at least one endless belt whereby the belt is cooled when it is not in contact with molten metal deposited on its surface.... | 10/15/1996 |
| 5535939 | Controlled atmosphere brazing using aluminum-lithium alloy An aluminum brazing alloy composite sheet is provided which can be utilized in both the vacuum brazing process and the controlled atmosphere brazing process for the brazing of aluminum parts. The brazing alloy composite sheet consists of an aluminum core ... | 07/16/1996 |
| 5520321 | Aluminum-lithium filler alloy for brazing An aluminum brazing alloy composite sheet is provided which can be utilized in both the vacuum brazing process and the controlled atmosphere brazing process for the brazing of aluminum parts. The brazing alloy composite sheet consists of an aluminum core ... | 05/28/1996 |
| 5515908 | Method and apparatus for twin belt casting of strip An apparatus and method for strip casting of metals on at least one endless belt whereby the belt is cooled when it is not in contact with molten metal deposited on its surface.... | 05/14/1996 |
| 5514228 | Method of manufacturing aluminum alloy sheet A method for manufacturing aluminum sheet stock which includes hot rolling an aluminum alloy sheet stock, annealing and solution heat treating it without substantial intermediate cooling and rapid quenching.... | 05/07/1996 |
| 5499873 | Method of mixing particulate material using a conveyor belt mixing system A system and a process is provided for reducing the dust formation during the transfer of a particulate material on an endless conveyor belt. During transfer of the material on the conveyor belt the material is first sprayed with a wetting agent then by a... | 03/19/1996 |
