Method and apparatus for molding wind chimes with glass inserts
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United States of America Patent
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-
Oct 28, 2003
Grant Date -
Oct 9, 2003
app pub date -
Apr 4, 2002
filing date -
Apr 4, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for molding wind chimes reduces the likelihood that a glass insert will fracture when they are placed in a mold and the mold is charged with molten metal. The casting temperature of the molten metal is adjusted to compensate for the surface area of the glass insert that is contacted by the molten metal. The glass insert are annealed prior to molding. A flexible mold is utilized. The tolerances of the glass insert are carefully controlled. The molded wind chime is carefully cooled.
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