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US 2023/0211538 A1Published application
Screw machine
AssigneeShibaura Machine Co., Ltd.
InventorShozo SUZUKI
Life of this patent
Estimating the term…
Abstract
An extruder is provided with: a screw rotationally driven about the axis by a first motor; a barrel having a screw hole into which the screw is inserted and a de-airing port configured to discharge air inside the screw hole; a filter configured such that a part thereof faces the de-airing port of the barrel; and a filter-driving mechanism configured to move the filter to shift the part of the filter facing the de-airing port.
Claims6
A screw machine comprising:
- a screw configured to be rotationally driven about an axis by a driving source;
- a barrel having a screw hole into which the screw is inserted and a de-airing port configured to discharge air inside the screw hole;
- a filter configured such that a part thereof faces the de-airing port of the barrel;
- and
- a filter driving unit configured to move the filter to shift the part of the filter facing the de-airing port.
2 more elements
Dependencies are inferred from the claim text.