Anti-drool sprue gated cross over nozzle
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United States of America Patent
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Jun 28, 2005
Grant Date -
Jul 22, 2004
app pub date -
Feb 13, 2003
filing date -
Jan 17, 2003
priority date (Note) -
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Abstract
According to the present invention a coding plate is interspersed between first and second respective inlet and outlet cross over nozzle parts. The cooling plate engages ends of the cross over nozzles during mould filling and provides a melt transfer passage therebetween. Once the mould is filled, the cooling plate acts to dissipate heat from the melt transfer passage thereby promoting solidification of melt therein. Accordingly melt solidification in the sprue is assured with more certainty than prior art designs enabling relatively fax mould cycling with minimal risk of drool.
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