Lost core method of molding gemstone seats
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United States of America Patent
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Sep 16, 2003
Grant Date -
N/A
app pub date -
May 1, 2001
filing date -
May 1, 2001
priority date (Note) -
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Abstract
A method for molding gemstone settings using metal molds is provided. The gemstone settings have unitary seats on the prongs of the settings. The method involves using a core pin mold to form a core pin which is interengageable with a metal production mold for the setting. A gemstone setting is also provided, with a substantially smooth inner prong surface. The gemstone setting provides substantially stronger set gems and reduces the incidences of shattering gems during the setting process.
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