C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/106, 22/188,
C21B 7/00 (2006.01) B22D 1/00 (2006.01)
Patent
CA 1086961
A B S T R A C T An additive material in wire form is fed into a molten metal flowing through a downsprue of a casting mold initially at a preselected feed rate. The instantaneous pouring rate of the molted metal is determined continuously throughout the pour and the feed rate of the wire is auto- matically varied in direct relation to changes in the pouring rate in the molted metal.
274030
Blatzer Bruce T.
Nieman John R.
Caterpillar Tractor Co.
Smart & Biggar
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