Mold assembly having a pressure reducing device
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United States of America Patent
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Aug 25, 2009
Grant Date -
Jun 12, 2008
app pub date -
Nov 30, 2007
filing date -
Jun 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a preferred mold design for producing plastic, molded preforms, which may be blow-molded into a container of a final, desired shape. A preferred mold includes a temperature control system for maintaining the preform mold at a desired temperature. The temperature control system can pass fluid through channels within the preform mold to cool plastic that is injected into the preform mold. In some arrangements, a mold comprises a neck finish mold, the neck finish mold comprising high heat transfer material positioned to transfer heat away from melt within a mold cavity of the mold.
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