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US 12,397,490 B2Granted
Plasticizing unit for a molding machine
AssigneeEngel Austria GmbH
InventorsGuenther Klammer, Thomas Koepplmayr, Raffael Johannes Rathner, Klaus Fellner
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Abstract
A plasticizing unit for a molding machine includes an injection cylinder and an axially movable plasticizing screw arranged in the injection cylinder. A filter device for filtering plasticized material, in particular plasticized plastic, is provided, and the filter device is or can be arranged axially movable in the injection cylinder.
Claims16
A plasticizing unit for use in a molding machine, the plasticizing unit comprising:
- an injection cylinder;
- an axially movable plasticizing screw arranged in the injection cylinder;
- a backflow barrier arranged in the injection cylinder, the backflow barrier having a first axial end closest to the plasticizing screw and a second axial end farthest from the plasticizing screw;
- and
- a filter device configured to filter plasticized material, the filter device being arranged axially movable in the injection cylinder,
- wherein the filter device is located at the second axial end of the backflow barrier farthest from the plasticizing screw.
3 more elements
Dependencies are inferred from the claim text.