Compact continuous annealing solution heat treatment

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United States of America Patent

PATENT NO 10844467
APP PUB NO 20180087138A1
SERIAL NO

15716608

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Abstract

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A compact heat treatment line can include a short heating zone capable of rapidly bringing a metal strip to a suitable solutionizing temperature through the use of magnetic rotors, such as permanent magnet magnetic rotors. A fast and efficient soaking zone can be achieved as well, such as through the use of magnetic rotors to levitate the metal strip within a gas-filled chamber. Magnetic rotors can further levitate the metal strip through a quenching zone, and can optionally reheat the metal strip prior to final coiling. Magnetic rotors used to heat and/or levitate the metal strip can also provide tension control, can facilitate initial threading of the metal strip, and can cure coatings and/or promote uniformity of coatings/lubricants applied to the metal strip without overheating. Such a heat treatment line can provide continuous annealing and solution heat treating in a much more compacted space than traditional processing lines.

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Patent Owner(s)

  • NOVELIS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Custers, David Michael Inverary, CA 11 56
Eddie, Curtis Newton Falls, US 3 19
Gaensbauer, David Anthony Atlanta, US 20 78
Hobbis, Andrew James Kennesaw, US 17 92
Kosmicki, Michael Spokane, US 8 39

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