Injection Molding Apparatus Having a Nozzle Tip Component for Taking a Nozzle Out of Service
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Aug 21, 2008
filing date -
Aug 21, 2008
priority date (Note) -
Abandoned
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Abstract
A nozzle tip component for taking a nozzle of an injection molding apparatus out-of service, wherein the nozzle tip component has a tapered interior surface that circumferentially surrounds and grips an associated valve pin to lock the valve pin in a closed position and prevent flow of molding material. The injection molding apparatus includes a plurality of nozzles defining nozzle channels, each nozzle associated with a mold gate, and a plurality of valve pins releasably coupled to an actuated valve pin plate. Each valve pin extends through the one of the nozzles for controlling flow of molding material in the nozzle channel, and the actuated valve pin plate is operable to move the plurality of valve pins between open and closed positions of the mold gates.
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