B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 9/10 (2006.01) F01D 5/18 (2006.01)
Patent
CA 2713669
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.
Howmet Corporation
Macrae & Co.
LandOfFree
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