Injection molding apparatus having a cooled core
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United States of America Patent
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Aug 10, 1999
Issued Date -
N/A
app pub date -
Jan 20, 1998
filing date -
Jan 24, 1997
priority date (Note) -
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Abstract
Injection molding hot runner apparatus having a cooled mold core with an elongated body portion with a front portion or head. A cooling tube extends centrally in body portion of the mold core. A cooling fluid circuit extends from the open front end of the cooling tube outwardly through a number of spaced radial bores. Each radial bore connects to an L-shaped duct leading back to a cylindrical space around the cooling tube.
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