| Patent Number |
Title Of Patent |
Date Issued |
| 6368430 |
Process for quenching heat treatable metal alloys |
April 9, 2002 |
| The present invention is directed to a process comprised of a controllably variable liquid quenching means for metal alloys at or above the Leidenfrost temperature without metal alloy distortion. |
| 6361741 |
Brazeable 6XXX alloy with B-rated or better machinability |
March 26, 2002 |
| This invention relates to an aluminum alloy with B-rated or better machineability, said alloy being suitable for using as brazing in the Nocolock.RTM. process. The alloy consists essentially of: about 0.5-0.8 wt. % silicon; about 0.4-0.6 wt. % magnesium; about 0.4-0.72 wt. % tin; up |
| 6355121 |
Modified etching bath for the deposition of a protective surface chemistry that eliminates hydro |
March 12, 2002 |
| A method of controlling bulk absorption of atomic hydrogen and facilitating degassing of hydrogen from aluminum alloy workpieces during heat treatments in furnaces with ambient and/or moisture-laden atmospheres to prepare for fabrication in sequential working stages, the method includes |
| 6344237 |
Method of depositing flux or flux and metal onto a metal brazing substrate |
February 5, 2002 |
| The present invention is directed to a means for the surface preparation of a metal or metal alloy substrate. In the process of the present invention, a stream of a mixture of flux particles and metal particles is hurled at the substrate at velocities effective for flux adhesion to the s |
| 6344096 |
Method of producing aluminum alloy sheet for automotive applications |
February 5, 2002 |
| The present invention relates to an improved method of producing an aluminum alloy sheet which, in one embodiment, includes roll casting an aluminum alloy strip having a thickness of less than about 0.5 inch and, subsequently, preferably without intervening thermal treatments or surface |
| 6342112 |
A1-mg based alloy sheets with good press formability |
January 29, 2002 |
| An Al--Mg based alloy sheet product in which the crystallographic texture exhibits a ratio of the volume fraction of grains in the S orientation {123}<634> to the volume fraction of grains in the CUBE orientation {100}<001> (S/Cube) being 1 or more, and is comprised of grains |
| 6337564 |
Detecting and classifying hard and soft inclusions in liquid metal |
January 8, 2002 |
| Apparatus and method for providing a classification of inclusions in molten metal. The apparatus and method include the steps of and means for obtaining an analog signal stream from a data collection apparatus, passing the analog signal stream through an analog to digital converter to |
| 6334978 |
Cast alloys |
January 1, 2002 |
| The present invention is directed to the additions of alkaline earth metals, in particular strontium and optionally combinations with other metals, to aluminum and aluminum alloys to improve the appearance of, eliminate surface imperfections, and reduce the surface oxidation of the a |
| 6332969 |
Inert electrode containing metal oxides, copper and noble metal |
December 25, 2001 |
| A cermet composite material is made by treating at an elevated temperature a mixture comprising a compound of iron and a compound of at least one other metal, together with an alloy or mixture of copper and a noble metal. The alloy or mixture preferably comprises particles having an |
| 6325869 |
Aluminum alloy extrusions having a substantially unrecrystallized structure |
December 4, 2001 |
| 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 about 0.25% zirconium, the balance substantially aluminum, incidental elements and impurities. The |
| 6322646 |
Method for making a superplastically-formable AL-Mg product |
November 27, 2001 |
| A method for making a superplastically formable, aluminum alloy product which consists essentially of: about 2-3.8 wt. % magnesium; at least one dispersoid-forming element selected from the group consisting of: up to about 1.6 wt. % manganese, up to about 0.2 wt. % zirconium, and up to |
| 6317913 |
Method of depositing flux or flux and metal onto a metal brazing substrate |
November 20, 2001 |
| The present invention is directed to a means for the surface preparation of a metal or metal alloy substrate. In the process of the present invention, a stream of a mixture of flux particles and metal particles is hurled at the substrate at velocities effective for flux adhesion to the s |
| 6314905 |
Boat manufactured from formable aluminum |
November 13, 2001 |
| A single hull or doubled hull boat manufactured from stretch formed aluminum alloy. Alloys of the AA 6000 series alloys are particularly suited for forming of small to medium sized water vessels. |
| 6314776 |
Sixth order actuator and mill set-up system for rolling mill profile and flatness control |
November 13, 2001 |
| A rolling mill stand having a pair of side shiftable rolls defining a roll gap profile therebetween varying along the length of the rolls according to a sixth order polynomial equation. The flatness of the strip exiting the rolling mill stand is controlled by determining the temperature |
| 6308999 |
Multi-material hybrid bumper |
October 30, 2001 |
| A vehicle bumper system having a metallic elongated reinforcing member extending substantially across the width of the vehicle. The reinforcing member can be made from aluminum or steel and has a generally .SIGMA.-shaped cross section which is filled with energy-absorbing foam. The . |
| 6306279 |
Anode cathode distance adjustment device |
October 23, 2001 |
| A device for adjusting the distance between the anode and the cathode of an electrolytic cell having a compartment, at least one anode partially disposed in a molten metal producing salt bath and a layer of molten metal above a cathode. The device includes a displacement device partially |
| 6294067 |
3 component cathode collector bar |
September 25, 2001 |
| A cathode assembly for use in a Hall-Heroult electrolytic cell, the assembly including a cathode block which receives two primary cathode collector bars and one secondary cathode collector bar disposed therebetween. The primary collector bars each have an electrical interface with th |
| 6290632 |
Ultrafine matte finish roll for treatment for sheet products and method of production |
September 18, 2001 |
| The present invention is directed to the texturing of rolls for rolling sheet and plate metals, such as aluminum and aluminum alloys, other metals and their alloys, laminates and composites, where the rolled sheet or plate is textured by the textured roll. |
| 6290032 |
Friction-wear aluminum part and associated method |
September 18, 2001 |
| A friction-wear aluminum part which includes a metal substrate and an outer friction-wear, ceramic-free coating applied to at least a portion of the outer surface to said substrate. The coating is a mixture of both aluminum and stainless steel. On a preferred basis, the surface of the su |
| 6280543 |
Process and products for the continuous casting of flat rolled sheet |
August 28, 2001 |
| The invention hereof is directed to a continuous casting of flat rolled sheets selected from automotive sheet, can body sheet, and endstock which exhibits properties comparable to the same products made from World Class Ingot. A preferable embodiment for the continuous caster is a vertic |
| 6266992 |
Modular tooling system for lane tooling in a conversion press and method for the use thereof |
July 31, 2001 |
| A modular tooling system for use in combination with a conversion press has an upper base member adapted to be removably mounting into the conversion press, a tooling holder, a tooling insert and means for retaining the tooling insert within the tooling holder. The tooling holder is adap |
| 6264810 |
Electromechanical attachment of inert electrode to a current conductor |
July 24, 2001 |
| A coupling for an inert electrode for refining a metal is provided. The coupling includes an electrode assembly and an electrically conductive support structure assembly. The support structure assembly includes a mechanical connection and an electrical connection which are in spaced |
| 6260398 |
Forming of hollow extrusions with double plane bends and twists |
July 17, 2001 |
| A method and apparatus for forming hollow extrusions. Specifically, a method and apparatus for imparting one or more bends and/or twists in a hollow extrusion under stretch. The apparatus may perform all of these formation and stretch functions as the result of one single physical or |
| 6258166 |
Linear nozzle with tailored gas plumes |
July 10, 2001 |
| There is claimed a method for depositing fluid material from a linear nozzle in a substantially uniform manner across and along a surface. The method includes directing gaseous medium through said nozzle to provide a gaseous stream at the nozzle exit that entrains fluid material supplied |
| 6251527 |
Alclad inset into grooved ingot |
June 26, 2001 |
| The present invention is directed to the application of a liner material which is corrosion resistant to a strong and tough core aluminum alloy which has been grooved out creating a liner bed resulting in an Alclad structure. |
| 6250362 |
Method and apparatus for producing a porous metal via spray casting |
June 26, 2001 |
| A method and apparatus is provided for producing a porous metal. The method broadly includes the steps of first, providing a molten metal and second, introducing a gas into said molten metal. The method then includes spray casting the molten metal containing the gas onto a surface thereb |
| 6247346 |
Method of forming a drive shaft |
June 19, 2001 |
| Methods for making an aluminum drive shaft for automobiles or trucks or other drive shaft applications from aluminum alloy tube and methods for making drive shafts. The method includes (a) providing an 6000 series type alloy hollow elongate tube; and (b) reducing the diameter of at least |
| 6238158 |
Hub retention for lug nut covers |
May 29, 2001 |
| A cover for a bolt and an annular nut having a plurality of generally planar, side surfaces. The cover includes: a shell having a closed end portion and a plurality of side surfaces extending downwardly from the closed end portion, an interior portion of said side surfaces being thre |
| 6235409 |
Aluminum laminate |
May 22, 2001 |
| A bright finish aluminum alloy on high strength aluminum or aluminum alloy lamination is disclosed including a bright finish top sheet, a high strength aluminum or aluminum alloy substrate, and an adhesive bonding the bright finish metal top sheet to the high strength aluminum or aluminu |
| 6231745 |
Cathode collector bar |
May 15, 2001 |
| A novel electrolytic reduction cell apparatus and method are disclosed for the production of aluminum, including a copper insert inside the cathode collector bar. In one aspect, a melting allowance slot is provided. In one aspect, the copper insert resides in a slot in the collector bar, |
| 6231678 |
Chemical delacquering process |
May 15, 2001 |
| A chemical delacquering composition, process and system for delacquering substrates such as aluminum scrap in which an aqueous solution containing at least one short-chain organic acid, preferably a mixture of two short-chain organic acids, and optional components such as surfactants, |
| 6224992 |
Composite body panel and vehicle incorporating same |
May 1, 2001 |
| The invention is a composite body panel, a sheet product from which the composite body panel is formed, and a vehicle incorporating at least one such composite body panel thereon. The composite body panel includes a substrate having an inner and an outer surface. A lamination is applied |
| 6224701 |
Molded plastic siding panel |
May 1, 2001 |
| A molded plastic panel for covering an exterior building wall includes a laterally directed lead fin, a laterally extending groove below the lead fin, and a rearwardly directed middle wall between rows of simulated shingles, all for joining laterally adjacent panels. A side flange ex |
| 6221182 |
Al-Mg based alloy sheets with good press formability |
April 24, 2001 |
| By careful control of composition and processing, Al--Mg based alloy sheets with preferred grain sizes and crystallographic textures that result in good press formability are disclosed.The Al--Mg alloy preferably contains 2-6 wt % Mg, and at least 0.03 wt % of at least one element select |
| 6220748 |
Method and apparatus for testing material utilizing differential temperature measurements |
April 24, 2001 |
| A method and apparatus for timely and accurate measurement of material parameters are disclosed. A test sensor measures the temperature of a sample of material as it is heated up and/or cooled down. A reference sensor is used to obtain differential temperature measurements as the tem |
| 6217739 |
Electrolytic production of high purity aluminum using inert anodes |
April 17, 2001 |
| A method of producing commercial purity aluminum in an electrolytic reduction cell comprising inert anodes is disclosed. The method produces aluminum having acceptable levels of Fe, Cu and Ni impurities. The inert anodes used in the process preferably comprise a cermet material compr |
| 6207286 |
Lubricated sheet product and lubricant composition |
March 27, 2001 |
| There is disclosed a metal sheet product, more particularly formed food container stock and/or industrial sheet product, which has been treated with an ester-free, lubricant composition that is suitable for direct food contact. This composition consists essentially of: (i) about 10-90 wt |
| 6203773 |
Low temperature mineralization of alumina |
March 20, 2001 |
| Alpha alumina particles are made by heating particles of alumina with an aqueous solution containing a dissolved fluorine-containing compound and an acid; separating the particles from the solution and then calcining the particles at a temperature not greater than about 1025.degree. C. T |
| 6199779 |
Method to recover metal from a metal-containing dross material |
March 13, 2001 |
| A process is provided for recovering metal from metal-containing waste or dross. The process generally includes the steps of comminuting the dross, and then classifying the comminuted dross into a metal enriched large size fraction and salt enriched small size fraction. The process furth |
| 6182591 |
Reinforced powerboat construction |
February 6, 2001 |
| A powerboat has a hull, keel, a transom, sidewalls, and a gunwale. The hull has at least one stringer on each side of the keel. An upwardly generally transversely oriented elongated structural member is secured to the transom. A lower generally transversely oriented structural member is |
| 6179042 |
Non-hot crack bottom block for casting aluminum ingot |
January 30, 2001 |
| An improved cylindrical bottom block for casting of large ingots or billets, particularly cylindrical shaped ingots, of light metals, such as aluminum and aluminum alloys, the cylindrical bottom comprising: (a) a base section having an outer diameter; (b) a centrally located circular |
| 6177206 |
Surface quality enhancement of aerospace skin sheet |
January 23, 2001 |
| The present invention is directed to polishing the surface of an airplane part to an improved specularity by adding the additional step of sanding prior to the polishing step. |
| 6176544 |
Instrument panel reinforcement structure including a novel driver side cross tube |
January 23, 2001 |
| A light weight, structurally stiff instrument panel reinforcement structure for motor vehicle bodies. The reinforcement structure includes driver side and passenger side cross tubes that are preferably aluminum alloy extrusions, and a center stack support that is preferably a magnesium |
| 6168675 |
Aluminum-silicon alloy for high temperature cast components |
January 2, 2001 |
| There is claimed an aluminum alloy composition consisting essentially of: about 12-22 wt % silicon, about 2.5-4.5 wt % nickel, about 0.2-0.6 wt % magnesium, up to about 1.2 wt % manganese, up to about 1.2 wt % iron, and about 0.005-0.015 wt % phosphorus. This alloy composition may furthe |
| 6162334 |
Inert anode containing base metal and noble metal useful for the electrolytic production of alum |
December 19, 2000 |
| An inert anode for production of metals such as aluminum is disclosed. The inert anode comprises a base metal selected from Cu and Ag, and at least one noble metal selected from Ag, Pd, Pt, Au, Rh, Ru, Ir and Os. The inert anode may optionally be formed of sintered particles having inter |
| 6145466 |
Boat manufactured from formable aluminum |
November 14, 2000 |
| The present invention is directed to the enabling formability of the 6000 series alloys for the manufacture of small to medium sized water vessels. |
| 6135199 |
Cooling device for belt casting |
October 24, 2000 |
| Method and device for cooling belts of single or twin belt casters. The belt is cooled by a liquid which is contacted with the inner surface of the belt by a system of feed tubes and collection tubes. Liquid is passed out the feed tube, into a channel that communicates with the inner sur |
| 6126799 |
Inert electrode containing metal oxides, copper and noble metal |
October 3, 2000 |
| A cermet composite material is made by treating at an elevated temperature a mixture comprising a compound of iron and a compound of at least one other metal, together with an alloy or mixture of copper and a noble metal. The alloy or mixture preferably comprises particles having an |
| 6120848 |
Method of making a braze sheet |
September 19, 2000 |
| A method is disclosed of making a braze sheet for a brazed assembly. The method includes the steps of providing a sheet of a core material and a composition cladding and mechanically embedding a flux into the sheet. |
| 6120618 |
Hydrocarbon phosphonic acid surface treatment that eliminates hydrogen absorption and enhances h |
September 19, 2000 |
| A method of controlling bulk absorption of atomic hydrogen and facilitating degassing of hydrogen from aluminum alloy workpieces during heat treatments in furnaces with ambient and/or moisture-laden atmospheres by exposing the surface of the workpieces to a low molecular weight solution |
