Metal founding – Means to shape metallic material – United particle type shaping surface
Patent
1982-06-11
1987-10-06
Anderson, Philip
Metal founding
Means to shape metallic material
United particle type shaping surface
164516, 210496, 2105101, 249142, 264 44, 264 60, 264 62, 264221, 264DIG44, 266275, 266280, B22C 910, C21B 706, B01D 3920, C04B 3800
Patent
active
046976329
ABSTRACT:
Ceramic porous bodies, including ceramic foam filters and smooth-faced ceramic objects, e.g., ceramic foam bricks, ceramic foam melting crucibles, and ceramic foam cores, made in accordance with the present invention are suitable for use with molten metal in general and molten superalloys in particular. The invention also provides a tundish for use with ceramic foam filters to filter metal en route from a metal furnace to a casting mold, and a melting device for use in casting metal which employs a ceramic foam filter as a bottom pour valve for a melting crucible such that the ceramic foam filter valve regulates the flow of molten metal therethrough in order to permit an entire ingot of metal to melt in the melting crucible before any metal begins to pour from the melting device into a casting mold.
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Anderson Philip
Howmet Turbine Components Corporation
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