Injection assembly for an injection molding machine
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United States of America Patent
Stats
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Sep 18, 2007
Grant Date -
Jul 13, 2006
app pub date -
Mar 1, 2006
filing date -
Sep 13, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An injection assembly for an injection molding machine includes a plasticizing screw defining an axis, a housing, and a drive train, which is accommodated in the housing, for moving the plasticizing screw in an axial direction and for turning the plasticizing screw. The drive train includes an injection drive having a screw mechanism with a threaded shaft moveable in direction of an injection stroke, with the plasticizing screw being rigidly connected to the threaded shaft, and a rotary drive having a drive element, with the plasticizing screw being connected to the drive element such that the plasticizing screw is able to turn with the drive element and able to move in axial direction. The drive train is movably supported independently from the rotary drive by a support structure which includes a radial bearing disposed in an area between a screw-proximal end of the threaded shaft and the plasticizing screw, and a linear guide securely fixed to the housing for guiding the drive train during movement in the axial direction.

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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SUMITOMO (SHI) DEMAG PLASTICS MACHINERY GMBH | 90571 SCHWAIG |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Schmidt, Holger | Bad Frankenhausen, DE | 158 | 1642 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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