Nozzle shutoff for an injection molding machine
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United States of America Patent
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-
Oct 16, 2012
Grant Date -
Mar 11, 2010
app pub date -
Sep 5, 2008
filing date -
Sep 5, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention is directed to an injection molding valve configured to prevent the leaking or stringing of injected thermoplastic from the valve. The valve includes a housing having a first bore along a length thereof and a second bore intersecting the first bore. A rotatable member is inserted through the second bore and is in communication with a lever for the actuation thereof. The rotatable member includes a hole therethrough such that when the hole is aligned with the first bore, thermoplastic may travel freely through the first bore. The second bore further includes at least one groove in communication with a port for receiving injected thermoplastic. The injected thermoplastic is hardened to form an seal therein and configured to prevent thermoplastic from leaking out of the valve housing.
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