Fugitive core tooling and method
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United States of America Patent
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Issued Date -
Apr 28, 2011
app pub date -
Oct 28, 2009
filing date -
Oct 28, 2009
priority date (Note) -
Abandoned
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Abstract
A ceramic core is produced by introducing a fluid ceramic core material, such as a ceramic slurry, into a core-shaped cavity formed at least in part by one or more fugitive core tooling liners residing in a back-up body, removing the ceramic core from the cavity, and removing the one or more fugitive tooling liners from the back-up die body and discarding them. The fugitive tooling liners and optional tooling inserts are used in one or more production cycles (e.g. ceramic slurry injection cycle) to make a single or multiple ceramic cores and then replaced with fresh (un-used) tooling liners and optional inserts to make other ceramic cores.
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