C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/106, 53/361
C21C 7/072 (2006.01) C22B 9/05 (2006.01)
Patent
CA 2009022
Gas is dispersed into molten metal by immersing a shaft-supported impeller into the molten metal and by pumping gas through the shaft and out of the impeller. The impeller is in the form of a rectangular prism having sharp-edged corners that shear the gas into finely divided bubbles. The particular shape of the impeller provides an especially effective bubble-shearing and bubble-dispersing action.
Carborundum Company (the)
Cooper Paul V.
Gowling Lafleur Henderson Llp
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