Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under...
Reexamination Certificate
2006-09-26
2006-09-26
Del Sole, Joseph S. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
C425S574000
Reexamination Certificate
active
07112056
ABSTRACT:
An actuating drive for a plasticizing unit of an injection molding machine is disclosed. The actuating drive includes a spindle drive with an electric motor and a control mechanism. An energy storage device is coupled with the spindle drive for force transmission therebetween. The energy storage device is loaded by the spindle drive in a return stroke phase and is unloaded in a forward feed phase, boosting the power of an electric motor. The actuator drive can be used, for example, for pulsating actuation of a mold ejector of the injection molding machine, significantly reducing the electrical energy consumption compared to conventional drives.
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Del Sole Joseph S.
Demag Ergotech GmbH
Feiereisen Henry M.
Luk Emmanuel S.
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