Anti-drool sprue gated cross over nozzle

Details Anti-drool sprue gated cross over nozzle Anti-drool sprue gated cross over nozzle

2005-06-28

2005-06-28

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

C264S328110, C264S328150, C425S549000, C425S567000

Reexamination Certificate

active

06910877

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.

REFERENCES:
patent: 2529146 (1950-11-01), Feitl
patent: 2808627 (1957-10-01), Willbald
patent: 6454558 (2002-09-01), Gellert

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