International Patents

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    Aluminum Casthouse Technology

     Editor’s Note: Various aspects of aluminum casthouse technology appear in almost every issue of Light Metal Age, no doubt because it is the first step and an important link in the wrought aluminum processing chain required for subsequent downstream processing and production of quality product. With no exception, the international patent survey presented here focuses […]

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    Primary Aluminum: Inert Anode and Wettable Cathode Technology in Aluminum Electrolysis

    Editor’s Note: Unlike aluminum’s sustainable advantage in recycling, primary aluminum production (which uses carbon anodes in the Hall-Héroult process), continues to be energy intensive and a greenhouse gas (GHG) producer. Ignoring the effect of CO2 generation in the coal/hydrocarbon power equation, the use of carbonaceous anodes in the smelting process generates GHGs as carbon is […]

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    Aluminum Extrusions: Process to Product

    US10486821 — JET ENGINE ANTI-ICING AND NOISE-ATTENUATING AIR INLETS — The Boeing Company (USA) — An embodiment of a jet engine air inlet providing anti-icing, and optionally, engine noise reduction, includes a rigid frame defining a gridwork of contiguous cells. A cap skin has an outer surface sealingly attached to an inner surface of the […]

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    Coil Coating Aluminum Sheet

    Editor’s Note: In coil coating of aluminum sheet, applied by roll coating or other means, the coated product is subsequently subjected to a short thermal, ultraviolet, and/or electromagnetic curing cycle for drying and curing of the coating. Coil coating of aluminum alloy sheet is forever evolving in terms of pretreatment and top coating compositions, especially […]

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    International Patents – Heat Treatment of Aluminum Alloys

    US10418142 — Aluminum Alloy Wire, Aluminum Alloy Stranded Wire, Covered Electric Wire, and Wire Harness — Furukawa Electric Co., Ltd. and Furukawa Automotive Systems Inc. (Japan) — The present disclosure provides an aluminum alloy wire or the like which can secure a high conductivity and a moderately low yield strength, and realize both a high […]

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    Aluminum Alloy Sheet Stamping and Fabrication

    US10406893 — INNER SUPPORT PANEL FOR MOUNTING A HARDWARE MODULE OF A VEHICLE DOOR ASSEMBLY — GM Global Technology Operations LLC (USA) — A door inner support panel for a vehicle door assembly includes a header section with a window frame for receiving a windowpane. A shell section is attached to the header section and […]

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    International Patents on Aluminum Anodizing

    US10335924 — METHOD AND BLASTING MEANS FOR PRODUCING A SATINIZED FINISH ON AN ALUMINUM SUBSTRATE — Vulkan Inox GmbH (Germany) — A method and a blasting material for producing a satinized surface on an aluminum substrate is provided. There is proposed a method for producing a satinized surface on an aluminum substrate, including the steps […]

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    International Patents on Aluminum Recycling and Recovery

    US10247479 — VORTEX WELL INERTING — L’Air Liquide, Societe Anonyme pour l’Etude et l’Exploitation des Procedes Georges Claude (France) — A method of providing an inerting atmosphere to the surface of molten aluminum in a vortex charge well of a reverberatory melting furnace is provided. The purpose is to improve aluminum recovery (reduce aluminum oxidation […]