QUASI SELF-DESTRUCTIVE CORE FOR INVESTMENT CASTING
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Jan 23, 2013
filing date -
Jan 23, 2013
priority date (Note) -
Abandoned
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Abstract
A composite core for forming a passage in an investment casting mold is provided including a generally hollow structural element. The structural element is configured to deform when a force is applied to an end thereof. A rigid shell element is formed about the structural element. The shell element extends beyond both an interior surface and an exterior surface of the structural element. The shell element is configured to shatter when the structural element deforms.
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