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US 2018/0015434 A1Published application
Stuffing screw
AssigneeArlanxeo Deutschland GmbH
InventorsJoerg KIRCHHOFF, Thomas KOENIG, Michael BIERDEL
Life of this patent
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Abstract
A stuffing screw (2) for use in an extruder system comprises a housing (7) and at least one conveying screw (5), which is mounted in a rotatable manner within the housing (7), wherein a conveying space is formed between an inner side of the housing (7) and the conveying screw (5). The stuffing screw (2) is characterized in that at least one portion of the inner side of the housing (7) is provided with one or more depressions, in particular in the form of a groove (13).
Claims19
A stuffing screw comprising:
- a housing;
- and
- at least one conveying screw, which is mounted in a rotatable manner within the housing,
- wherein a conveying space is formed between an inner side of the housing and the conveying screw, and at least one portion of the inner side of the housing comprises one or more depressions extending radially outwardly away from the conveying screw.
1 more element
A conveying screw assembly comprising:
- a housing defining a longitudinal direction and a radial direction orthogonal to the longitudinal direction;
- and
- at least one conveying screw mounted in a rotatable manner within the housing for conveying material through the housing in the longitudinal direction of the housing, the conveying screw having a longitudinal axis parallel to the longitudinal direction of the housing;
- wherein the housing comprises an interior surface disposed towards and at least partially about the at least one conveying screw, wherein the interior surface comprises at least one groove extending along at least a portion of the interior surface and at an angle to the radial direction.
1 more element
Dependencies are inferred from the claim text.