Process for producing the mold inserts for injection moldings
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United States of America Patent
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Aug 31, 1999
Issued Date -
N/A
app pub date -
Feb 27, 1998
filing date -
Feb 27, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present relates to an method to produce a molding apparatus for molding plastic parts which comprises a cavity insert and a core insert wherein each insert has an open area on the shell or back side thereof. A device for circulating fluid through each chamber cools the inserts. In one preferred embodiment, the cavity and core inserts are made using a mold having a ceramic formulation including generally uniform size aggregate materials and carbon fibers. In certain embodiments, the apparatus further includes pressure bearing devices, for absorbing molding pressure during operation of the molding apparatus.
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