Apparatus and method for investment casting core manufacture
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United States of America Patent
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Jun 30, 2020
Grant Date -
Jan 17, 2019
app pub date -
Jul 17, 2017
filing date -
Jul 17, 2017
priority date (Note) -
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Abstract
A method of producing an investment casting ceramic core is provided that includes: providing a core body consisting of a leachable material; surrounding the core body with a mold composition within a vessel, which mold composition is configured to solidify; leaching the core body from the mold composition subsequent to the mold composition solidifying, thereby leaving an internal cavity within the solidified mold composition; depositing a ceramic composition within the internal cavity of the solidified mold composition; sintering the ceramic composition to a solid ceramic core; and removing the solid ceramic core from the mold composition.
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