Electric precision injection unit
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United States of America Patent
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May 11, 2004
Grant Date -
N/A
app pub date -
Mar 4, 2002
filing date -
Sep 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An injection molding device with an injection molding cylinder in which is arranged a coaxial worn that is rotatable and axially displaceable by drive devices. A spindle nut rotatable by a first drive device is mounted in a housing and cooperates with a screw sleeve which is axially displaceable during rotation of the spindle nut but is fixed against rotation during axial displacement. Further, a shaft is mounted in the interior of the screw sleeve and is connected at one end to the worm and has at the other end an axial coupling, one of whose coupling parts communicates with a second drive device.
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