Patent AT376397B successfully refreshed from Google Patents.
AT376397B
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SCREW EXTRUSION PRESS
Assignee: Cincinnati Milacron Austria
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Filing: 1982-12-21
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Granted: 1984-11-12
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Expires: 2002-12-21
Abstract
Abstract 1. A screw extruder for processing plastics materials having at least two screws that engage in one another, have opposed directions of rotation and the external diameters and core diameters of which are tapered from the input side towards the output side, characterized in that each screw (1, 2, 11, 12) has at least two portions (4, 5, 13, 14) in the form of truncated cones each having a different cone angle (epsilon 1, epsilon 2) in each of which both the external diameter (6) and the core diameter (7) are conically tapered.
Inventors
- 👤 Dieter Ing Stricker
- 👤 Wilhelm Ing Zelinka
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-23 05:21
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/40; B29C48/402; B29C48/50; B29C48/505; B29C48/52; B29C48/525; B29C48/03
Claims Analysis
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References Cited (Backward Citations)
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