Injection molding heater with melt bore therethrough
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United States of America Patent
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-
Sep 10, 2002
Grant Date -
N/A
app pub date -
Jun 8, 1999
filing date -
Jun 1, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An injection molding heater (38) having one or more melt bores (78) extending therethrough to be removably mounted between the melt distribution manifold (26) and each nozzle (10) in a multi-gate injection molding system. The heater (38) has a plate-like body (92) made of a thermally conductive material and heat is provided to it by a heating element (98) which can be electrical or a heat pipe or by a heated fluid flowing through a passage (126) in the plate-like body (92). Each one or more of the heaters (38) can be connected to separately controlled power sources to separately adjust the heat provided by the heaters (38).
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