System and method for tempering glass containers
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United States of America Patent
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Apr 13, 2010
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N/A
app pub date -
Nov 5, 2004
filing date -
Sep 19, 2002
priority date (Note) -
Expired
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Abstract
A system and method is provided for tempering a glass container. The method includes the steps of pre-heating the glass container to a first predetermined temperature. The method also includes the steps of applying radio-frequency energy to the pre-heated glass container to heat the glass container to a second predetermined temperature and, after a predetermined amount of time, simultaneously cooling at least one surface of the heated glass container to a third predetermined temperature to treat the glass container. The method further includes the steps of, after a predetermined amount of time, quenching the treated glass container to a fourth predetermined temperature to produce a tempered glass container.
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