B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/171
B22D 13/00 (2006.01) B22D 1/00 (2006.01) B22D 13/02 (2006.01)
Patent
CA 1162024
ABSTRACT A method for introducing fluxing material (flux) into a tubular, centrifugal casting mold in the manufacture of centrifugally cast metallic tubes. The flux is injected directly into the pouring stream of the molten metal in a steady, continuous flow by the pres- sure from a stream of non-reactive gas such as nitrogen. The injection of the flux into the pouring stream begins only after the wetting of all the casting surfaces of the mold by the molten metal. This flux is supplied from a hopper with a variable speed control auger.
367426
Adams William T.
Farlow James C.
Mccauley Edward D.
American Cast Iron Pipe Company
Macrae & Co.
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