INGOT MOLD WITH HOT TOP AND REFRACTORY LINING FOR INDUCING PROGRESSIVE AXIAL SOLIDIFICATION
United States Patent 3477682
Publication Date:
11/11/1969
Assignee:
Allegheny, Ludlum Steel
Other Classes:
249/174, 264/30
International Classes:
B22D7/10; B22D7/00; B22C1/00; B22D7/10