Blades, casting cores, and methods
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United States of America Patent
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Jan 11, 2011
Issued Date -
N/A
app pub date -
Jan 30, 2007
filing date -
Jan 30, 2007
priority date (Note) -
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Abstract
An article includes a blade casting core combination. The combination includes a ceramic feedcore and a metallic core. The ceramic feedcore has: a root end; a tip end; a leading end; a trailing end; a first side; a second side; and a plurality of legs extending between the root and tip ends and arrayed between the leading and trailing ends. The metallic core has: a first face; a second face; a first portion extending from the feedcore trailing end; and a second portion extending from the tip end. The article may be a pattern where the core is embedded in a wax or may be a shell formed from such a pattern. The article may be used in a method for forming the resultant blade.
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