B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/108
B22D 7/06 (2006.01) B22C 9/08 (2006.01) B22C 9/24 (2006.01) B22C 21/00 (2006.01)
Patent
CA 1095686
A MOLD ASSEMBLY FOR CASTING INGOT CASES Abstract of the Disclosure The specification discloses a mold assembly which includes a bottom case having a central core fixedly mounted at a central portion thereof, an upper flask lined with molding sand and mounted on the bottom case to surround the central core for forming a molding cavity with the central core and the bottom case, and gating system including a sprue com- municating with gate means for introducing molten metal into the molding cavity. The molding cavity has its bottom surface located at the junction between the bottom case and the upper flask, while the gate means communicating with a lower end of the sprue is located in the bottom case, with the discharge opening of the gate means being directed upward from a central portion of thickness of a bottom portion of the molding cavity. By this means, any scooping of the molding sand by the molten metal as it is introduced into the molding cavity can be avoided.
305449
Danjo Tadayoshi
Mori Tugio
Sakamoto Seitaro
Shirasaka Tsuyoshi
Yamamoto Koichi
Kirby Eades Gale Baker
Kubota Ltd.
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