Ceramic casting core and method

Metal founding – Process – Shaping liquid metal against a forming surface

Reexamination Certificate

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C164S132000, C164S028000, C164S122100, C164S122200

Reexamination Certificate

active

11431282

ABSTRACT:
A ceramic core for use in casting an article such as for example an airfoil, wherein the ceramic core has a pocket located at or near a region of the core that is otherwise associated with occurrence of a localized casting defect in the cast article. A covering is disposed on the core to cover the pocket and provide core outer surface features.

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