Injection unit for an injection moulding machine
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United States of America Patent
Stats
-
Jun 28, 2011
Grant Date -
Feb 11, 2010
app pub date -
Aug 7, 2009
filing date -
Aug 8, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An injection unit for an injection molding machine includes a screw cylinder, a plasticizing screw which can be driven therein axially and rotatably, the drive unit of which has an electric drive motor, a spindle drive coupled to the screw for the axial movement of the screw, and a rotary drive arranged coaxially with the spindle drive and allowing an axial displacement of the screw for the rotational movement of the screw. A differential gearing, is arranged between the drive motor, on the one hand, and spindle drive and rotary drive, on the other hand, with a differential cage, two driven gears and at least one compensating gear in between.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- B29C Class
- 7.43 % this patent is cited more than
- 14 Age
