Permanent mold for casting reactive melt

Details Permanent mold for casting reactive melt Permanent mold for casting reactive melt

1993-11-05

1995-08-22

Batten, Jr., J. Reed

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

249108, 249109, 249115, 249135, B22C 906, B22C 908, B22D 1806

Patent

active

054431115

ABSTRACT:
For a steel mold, one or more titanium melt inlet-forming members are provided for cooperating with the steel mold members to form an melt ingate that communicates to the mold cavity for supplying the melt thereto in a manner to avoid harmful iron contamination of the melt during casting. The mold body-to-mold cavity volume ratio is controlled between 10:1 to 0.5:1 to minimize casting surface defects and mold wear/damage.

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