B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/173
B22D 27/02 (2006.01) B22D 11/115 (2006.01) B22D 11/12 (2006.01)
Patent
CA 1202763
ABSTRACT OF THE DISCLOSURE A method of electromagnetically stirring molten metal in an unsolidified portion of a continuously cast strand by a magnetic field formed by applying alternating current to at least one set of exciting coils, said method comprising: supplying to one of said exciting coils a first alternating current of a frequency in the range of 1 - 60 Hz and to the other one of said exciting coils a second alternating current with a frequency difference in the range of 0.03 - 0.25 Hz from said first alternating current to form a varying composite magnetic field thereby to induce stirred movement of varying direction and intensity in said molten metal.
414915
Ayata Kenzo
Fujiwara Koichi
Itashiki Masakazu
Ohta Yasuhiko
Onishi Toshiyasu
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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